/* === ライトモード用にカラーパレットを変更 === */
:root {
  --bg: #f7f9fc;
  --card: #ffffff;
  --card2: #f0f4f8;
  --border: #dce4ec;
  --text: #2c3e50;
  --text2: #6c7a89;
  --gold: #d4af37;
  --gold2: #b5952f;
  --circle: #3498db;
  --dcircle: #2ecc71;
  --star: #f1c40f;
  --cross: #e74c3c;
  --new: #e67e22;
  --none: #bdc3c7;
  --bookmark: #f39c12;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Noto Serif JP', serif; background: var(--bg); color: var(--text); overflow-x: hidden; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Layout */
#app { min-height: 100vh; }
.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

/* Header */
.header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex; align-items: center; gap: 12px;
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(8px);
}
.header-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px; color: var(--gold);
  font-weight: bold;
  letter-spacing: 0.5px;
}
.header-sub { font-size: 11px; color: var(--text2); }
.back-btn {
  background: var(--card2); border: 1px solid var(--border);
  color: var(--text); padding: 6px 12px; border-radius: 6px;
  cursor: pointer; font-size: 13px; transition: all 0.2s;
  font-family: 'Noto Serif JP', serif;
}
.back-btn:hover { border-color: var(--text2); }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* Content */
.content { padding: 24px; flex: 1; max-width: 900px; margin: 0 auto; width: 100%; }

/* Status badges */
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  font-size: 14px; font-weight: bold; flex-shrink: 0;
}
.badge-none { background: var(--card2); color: var(--text2); font-size: 10px; }
.badge-○ { background: rgba(52,152,219,0.15); color: var(--circle); border: 1px solid var(--circle); }
.badge-◎ { background: rgba(46,204,113,0.15); color: var(--dcircle); border: 1px solid var(--dcircle); }
.badge-☆ { background: rgba(241,196,15,0.15); color: var(--star); border: 1px solid var(--star); }
.badge-× { background: rgba(231,76,60,0.15); color: var(--cross); border: 1px solid var(--cross); }

/* Set cards */
.sets-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px; padding-bottom: 24px;
}
.set-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; cursor: pointer;
  transition: all 0.25s; position: relative; overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.set-card:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 8px 16px rgba(0,0,0,0.08); }
.set-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0; transition: opacity 0.25s;
}
.set-card:hover::before { opacity: 1; }
.set-card.completed { border-color: rgba(241,196,15,0.4); }
.set-card.completed::before { opacity: 1; background: linear-gradient(90deg, var(--star), transparent); }

.set-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.set-range { font-size: 11px; color: var(--text2); margin-bottom: 14px; }
.progress-bar {
  height: 6px; background: var(--card2); border-radius: 3px;
  margin-bottom: 12px; overflow: hidden; display: flex;
}
.progress-seg { height: 100%; transition: width 0.4s; }
.progress-seg.none { background: var(--none); }
.progress-seg.circle { background: var(--circle); }
.progress-seg.dcircle { background: var(--dcircle); }
.progress-seg.star { background: var(--star); }
.progress-seg.cross { background: var(--cross); }

.set-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat-item { display: flex; align-items: center; gap: 4px; font-size: 12px; }
.stat-label { font-size: 10px; }
.stat-none { color: var(--text2); }
.stat-○ { color: var(--circle); }
.stat-◎ { color: var(--dcircle); }
.stat-☆ { color: var(--star); }
.stat-× { color: var(--cross); }

.set-status-tag {
  position: absolute; top: 12px; right: 12px;
  font-size: 10px; padding: 3px 8px; border-radius: 20px;
}
.tag-done { background: rgba(241,196,15,0.15); color: #d4ac0d; border: 1px solid #f1c40f; }
.tag-active { background: rgba(52,152,219,0.15); color: var(--circle); border: 1px solid var(--circle); }

/* Alert banner */
.alert-banner {
  background: rgba(231,76,60,0.1); border: 1px solid var(--cross);
  border-radius: 10px; padding: 14px 20px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; transition: all 0.2s;
}
.alert-banner:hover { background: rgba(231,76,60,0.15); }
.alert-icon { font-size: 20px; }
.alert-text { flex: 1; }
.alert-title { font-weight: 700; color: var(--cross); font-size: 14px; }
.alert-sub { font-size: 12px; color: var(--text2); }
.alert-btn { background: var(--cross); color: #fff; border: none; padding: 7px 16px; border-radius: 6px; cursor: pointer; font-size: 13px; font-family: 'Noto Serif JP'; font-weight: 700; }

/* Set screen */
.set-header { margin-bottom: 24px; }
.set-screen-title { font-family: 'Playfair Display', serif; font-size: 22px; color: var(--gold); margin-bottom: 6px; font-weight: bold; }
.set-screen-sub { font-size: 13px; color: var(--text2); }

.quiz-options { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.options-title { font-size: 13px; color: var(--text2); margin-bottom: 14px; font-weight: bold; }
.mode-selector { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.mode-btn {
  padding: 8px 16px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--card2);
  color: var(--text); font-size: 13px; transition: all 0.2s;
  font-family: 'Noto Serif JP';
}
.mode-btn:hover { border-color: var(--gold); }
.mode-btn.active { border-color: var(--gold); background: rgba(212,175,55,0.15); color: #b5952f; font-weight: bold; }

.action-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  padding: 10px 20px; border-radius: 8px; cursor: pointer; font-size: 14px;
  border: none; font-family: 'Noto Serif JP'; font-weight: 700; transition: all 0.2s;
  display: flex; align-items: center; gap: 8px;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--gold2); transform: translateY(-1px); }
.btn-review { background: var(--cross); color: #fff; }
.btn-review:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary { background: var(--card2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { border-color: var(--text2); }

.quiz-count-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 14px 0 6px;
}
.quiz-count-label { font-size: 13px; color: var(--text2); font-weight: bold; }
.quiz-count-input-wrap {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card2); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 12px;
}
.quiz-count-input {
  width: 84px; border: none; background: transparent; outline: none;
  color: var(--text); font-size: 15px; font-family: 'Noto Serif JP', serif; font-weight: 700;
}
.quiz-count-suffix { font-size: 13px; color: var(--text2); font-weight: bold; }
.quiz-count-help { font-size: 12px; color: var(--text2); }

.range-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(240,244,248,0.96));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  margin-top: 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
}
.range-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.range-preset-btn {
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 12px;
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.range-preset-btn:hover {
  border-color: var(--gold);
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.05);
}
.range-preset-btn.active {
  border-color: var(--gold);
  background: rgba(212,175,55,0.14);
  color: #b5952f;
  box-shadow: 0 4px 12px rgba(212,175,55,0.14);
}
.range-custom-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.range-custom-label {
  font-size: 12px;
  color: var(--text2);
  font-weight: bold;
}
.range-summary-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(52,152,219,0.08);
  border: 1px solid rgba(52,152,219,0.18);
  color: var(--circle);
  font-size: 12px;
  font-weight: 700;
}

/* Word table */
.word-table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.word-table-header {
  display: grid; grid-template-columns: 28px 40px 120px 1fr 110px;
  padding: 10px 16px; background: var(--card2);
  font-size: 11px; color: var(--text2); border-bottom: 1px solid var(--border);
  gap: 8px; font-weight: bold;
}
.word-table-scroll { max-height: 400px; overflow-y: auto; }
.word-row {
  display: grid; grid-template-columns: 28px 40px 120px 1fr 110px;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  align-items: center; gap: 8px; transition: background 0.15s;
}
.word-row:hover { background: rgba(0,0,0,0.02); }
.word-row:last-child { border-bottom: none; }
.word-num { font-size: 11px; color: var(--text2); }
.word-en { font-family: 'EB Garamond', serif; font-size: 16px; font-weight: 600; color: #2c3e50; }
.word-en .new-badge {
  display: inline-block; font-size: 9px; padding: 1px 4px;
  background: rgba(230,126,34,0.15); color: var(--new);
  border: 1px solid var(--new); border-radius: 3px; margin-left: 4px;
  vertical-align: middle;
}
.word-jp { font-size: 13px; color: var(--text); }
.word-status { display: flex; align-items: center; gap: 6px; }
.manual-up-btn {
  background: none; border: none; cursor: pointer; font-size: 10px;
  color: var(--text2); padding: 2px 4px; border-radius: 3px;
  transition: all 0.2s; display: none;
}
.word-row:hover .manual-up-btn { display: block; }
.manual-up-btn:hover { color: var(--dcircle); background: rgba(46,204,113,0.1); }

/* Quiz screen */
.quiz-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; border-bottom: 1px solid var(--border);
  background: var(--card);
}
.quiz-progress-text { font-size: 13px; color: var(--text2); font-weight: bold; }
.quiz-progress-bar { height: 4px; background: var(--card2); margin: 0; }
.quiz-progress-fill { height: 100%; background: var(--gold); transition: width 0.3s; }
.quiz-mode-tag {
  font-size: 11px; padding: 3px 8px; border-radius: 20px;
  background: rgba(212,175,55,0.15); color: #b5952f; border: 1px solid var(--gold); font-weight: bold;
}
.quiz-type-tag {
  font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: bold;
}
.type-normal { background: rgba(52,152,219,0.1); color: var(--circle); border: 1px solid var(--circle); }
.type-review { background: rgba(231,76,60,0.1); color: var(--cross); border: 1px solid var(--cross); }
.type-bookmark { background: rgba(243,156,18,0.1); color: var(--bookmark); border: 1px solid var(--bookmark); }

.quiz-content { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; background: var(--bg); }
.question-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; max-width: 640px; width: 100%;
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.question-prompt { font-size: 12px; color: var(--text2); margin-bottom: 16px; font-weight: bold; }
.question-word {
  font-family: 'EB Garamond', serif; font-size: 42px; font-weight: 600;
  color: var(--text); margin-bottom: 8px; line-height: 1.2;
}
.question-meaning {
  font-size: 26px; color: var(--text); margin-bottom: 8px; line-height: 1.4; font-weight: bold;
}
.question-sub { font-size: 12px; color: var(--text2); margin-bottom: 24px; }

.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.choice-btn {
  padding: 14px 16px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--card2);
  color: var(--text); font-size: 14px; text-align: left;
  transition: all 0.2s; font-family: 'Noto Serif JP'; line-height: 1.4; font-weight: 500;
}
.choice-btn:hover:not(:disabled) { border-color: var(--gold); background: #fffaf0; }
.choice-btn.selected { border-color: var(--gold); background: rgba(212,175,55,0.12); color: #b5952f; }
.choice-btn.correct { border-color: var(--dcircle); background: rgba(46,204,113,0.12); color: #27ae60; }
.choice-btn.wrong { border-color: var(--cross); background: rgba(231,76,60,0.1); color: var(--cross); }
.choice-btn.reveal { border-color: var(--dcircle); background: rgba(46,204,113,0.08); }
.choice-btn:disabled { cursor: default; }

.answer-input {
  width: 100%; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 16px; color: var(--text);
  font-size: 18px; font-family: 'Noto Serif JP'; margin-bottom: 16px;
  transition: border-color 0.2s; outline: none; box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}
.answer-input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,175,55,0.2); }

.answer-reveal {
  background: rgba(46,204,113,0.08); border: 1px solid rgba(46,204,113,0.3);
  border-radius: 10px; padding: 16px; margin-bottom: 16px;
}
.answer-reveal-label { font-size: 11px; color: var(--text2); margin-bottom: 6px; font-weight: bold; }
.answer-reveal-text { font-size: 18px; color: #27ae60; font-weight: bold; }
.answer-user {
  background: rgba(52,152,219,0.07); border: 1px solid rgba(52,152,219,0.24);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 10px;
}
.answer-user-label { font-size: 11px; color: var(--text2); margin-bottom: 6px; font-weight: bold; }
.answer-user-text { font-size: 18px; color: var(--circle); font-weight: bold; word-break: break-word; }
.answer-user-text.empty { color: var(--text2); font-weight: 500; }
.answer-auto-judge {
  border-radius: 10px; padding: 12px 14px; margin: 10px 0 12px;
  font-size: 13px; font-weight: 700; line-height: 1.6;
}
.answer-auto-judge.correct { background: rgba(46,204,113,0.10); border: 1px solid rgba(46,204,113,0.32); color: #27ae60; }
.answer-auto-judge.wrong { background: rgba(231,76,60,0.08); border: 1px solid rgba(231,76,60,0.28); color: var(--cross); }

.confirm-btn {
  width: 100%; padding: 14px; border-radius: 10px; cursor: pointer;
  background: var(--gold); border: none; color: #fff;
  font-size: 15px; font-family: 'Noto Serif JP'; font-weight: 700;
  transition: all 0.2s; margin-top: 12px;
}
.confirm-btn:hover { background: var(--gold2); }

.next-btn {
  width: 100%; padding: 14px; border-radius: 10px; cursor: pointer;
  border: none; font-size: 15px; font-family: 'Noto Serif JP'; font-weight: 700;
  transition: all 0.2s; margin-top: 16px;
  display: none;
}
.next-btn.correct-next { background: rgba(46,204,113,0.15); color: #27ae60; border: 1px solid #2ecc71; }
.next-btn.wrong-next { background: rgba(231,76,60,0.1); color: var(--cross); border: 1px solid var(--cross); }
.next-btn:hover { opacity: 0.85; }

.result-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 56px; opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.result-overlay.correct-flash { background: rgba(46,204,113,0.1); color: #27ae60; }
.result-overlay.wrong-flash { background: rgba(231,76,60,0.1); color: var(--cross); }
.result-overlay.show { opacity: 1; }

/* Result screen */
.result-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; max-width: 520px;
  margin: 40px auto; text-align: center; box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}
.result-title { font-family: 'Playfair Display'; font-size: 24px; color: var(--gold); margin-bottom: 8px; font-weight: bold; }
.result-sub { font-size: 13px; color: var(--text2); margin-bottom: 32px; }
.result-stats { display: flex; justify-content: center; gap: 32px; margin-bottom: 32px; }
.result-stat-item { text-align: center; }
.result-stat-num { font-family: 'Playfair Display'; font-size: 36px; line-height: 1; margin-bottom: 4px; font-weight: bold; }
.result-stat-label { font-size: 12px; color: var(--text2); font-weight: bold; }
.result-stat-item.correct .result-stat-num { color: #27ae60; }
.result-stat-item.wrong .result-stat-num { color: var(--cross); }
.result-btn-group { display: flex; flex-direction: column; gap: 10px; }

/* Quiz3 self judge */
.judge-3btns { display: flex; gap: 8px; margin-top: 12px; }
.judge-3btns button {
  flex: 1; padding: 12px 6px; border-radius: 8px; cursor: pointer;
  font-size: 15px; font-family: 'Noto Serif JP'; font-weight: 700;
  transition: all 0.2s;
}
.judge-dcircle { background: rgba(46,204,113,0.15); border: 1px solid var(--dcircle); color: #27ae60; }
.judge-dcircle:hover { background: rgba(46,204,113,0.28); }
.judge-circle { background: rgba(52,152,219,0.12); border: 1px solid var(--circle); color: var(--circle); }
.judge-circle:hover { background: rgba(52,152,219,0.25); }
.judge-cross-btn { background: rgba(231,76,60,0.12); border: 1px solid var(--cross); color: var(--cross); }
.judge-cross-btn:hover { background: rgba(231,76,60,0.22); }

/* Quiz per-mode status in word table */
.word-quiz-badges { display: flex; gap: 3px; flex-wrap: wrap; }
.mini-badge {
  font-size: 9px; padding: 1px 4px; border-radius: 3px; font-weight: bold;
  display: inline-flex; align-items: center; justify-content: center;
}
.mini-badge-q1 { background: rgba(241,196,15,0.15); color: #d4ac0d; border: 1px solid rgba(241,196,15,0.4); }
.mini-badge-q2 { background: rgba(52,152,219,0.15); color: var(--circle); border: 1px solid rgba(52,152,219,0.4); }
.mini-badge-q3 { background: rgba(46,204,113,0.15); color: var(--dcircle); border: 1px solid rgba(46,204,113,0.4); }

/* Retest mode selector */
.retest-options { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.retest-btn {
  padding: 8px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--card2);
  color: var(--text); font-size: 12px; transition: all 0.2s;
  font-family: 'Noto Serif JP';
}
.retest-btn:hover { border-color: var(--gold); }
.retest-btn.active { border-color: var(--gold); background: rgba(212,175,55,0.15); color: #b5952f; font-weight: bold; }
.empty-msg { text-align: center; padding: 40px; color: var(--text2); font-size: 14px; }
.section-title { font-size: 13px; color: var(--text2); margin-bottom: 12px; font-weight: bold; letter-spacing: 1px; text-transform: uppercase; }
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.tag-new { display: inline-block; font-size: 10px; padding: 2px 6px; background: rgba(230,126,34,0.15); color: var(--new); border: 1px solid var(--new); border-radius: 4px; margin-left: 6px; }

.home-stats {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; margin-bottom: 24px;
  display: flex; gap: 24px; flex-wrap: wrap; align-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.home-stat { text-align: center; min-width: 60px; }
.home-stat-num { font-family: 'Playfair Display'; font-size: 28px; font-weight: bold; }
.home-stat-label { font-size: 11px; color: var(--text2); font-weight: bold; margin-top: 4px; }
.home-stat.total .home-stat-num { color: var(--text); }
.home-stat.s-○ .home-stat-num { color: var(--circle); }
.home-stat.s-◎ .home-stat-num { color: #27ae60; }
.home-stat.s-× .home-stat-num { color: var(--cross); }

.loading { display: flex; align-items: center; justify-content: center; height: 100vh; font-size: 16px; color: var(--text2); }

@media (max-width: 600px) {
  .choices { grid-template-columns: 1fr; }
  .question-word { font-size: 32px; }
  .word-table-header, .word-row { grid-template-columns: 28px 32px 100px 1fr 80px; }
  .home-stats { gap: 16px; }
  .sets-grid { grid-template-columns: 1fr; }
}

/* ========== BOOKMARK ========== */
.bookmark-btn {
  background: none; border: none; cursor: pointer;
  font-size: 16px; padding: 2px 3px; border-radius: 4px;
  color: var(--none); transition: all 0.18s; line-height: 1;
  flex-shrink: 0; display: none;
}
.word-row:hover .bookmark-btn { display: block; }
.bookmark-btn.bookmarked { display: block; color: var(--bookmark); }
.bookmark-btn:hover { color: var(--bookmark); transform: scale(1.25); }

/* Floating bookmark button on quiz card */
.quiz-bm-btn {
  position: absolute; top: 14px; right: 14px;
  background: none; border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 12px; cursor: pointer;
  font-size: 18px; color: var(--text2); transition: all 0.2s;
  z-index: 10; line-height: 1;
}
.quiz-bm-btn:hover { border-color: var(--bookmark); color: var(--bookmark); background: rgba(243,156,18,0.08); }
.quiz-bm-btn.bookmarked { color: var(--bookmark); border-color: var(--bookmark); background: rgba(243,156,18,0.12); }

/* Home bookmark panel */
.bookmark-panel {
  background: var(--card); border: 1px solid rgba(243,156,18,0.35);
  border-radius: 12px; padding: 20px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 16px; cursor: pointer;
  transition: all 0.2s; position: relative; overflow: hidden;
  box-shadow: 0 4px 12px rgba(243,156,18,0.08);
}
.bookmark-panel::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--bookmark), transparent);
}
.bookmark-panel:hover { border-color: rgba(243,156,18,0.65); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(243,156,18,0.15); }
.bookmark-panel-icon { font-size: 32px; }
.bookmark-panel-info { flex: 1; }
.bookmark-panel-title { font-size: 16px; font-weight: 700; color: var(--bookmark); margin-bottom: 4px; }
.bookmark-panel-sub { font-size: 12px; color: var(--text2); font-weight: 500; }
.bookmark-panel-count { font-family: 'Playfair Display'; font-size: 36px; color: var(--bookmark); font-weight: bold; }

/* Bookmark screen word table — full height */
#screen-bookmark .word-table-scroll { max-height: none; }

/* Bookmark screen empty state */
.bm-empty {
  text-align: center; padding: 80px 20px; color: var(--text2);
}
.bm-empty-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.3; }
.bm-empty-text { font-size: 16px; margin-bottom: 8px; font-weight: bold; color: var(--text); }
.bm-empty-sub { font-size: 13px; }

/* tag-bookmark */
.tag-bookmark { background: rgba(243,156,18,0.15); color: var(--bookmark); border: 1px solid var(--bookmark); }
.stat-★ { color: var(--bookmark); }

/* Bookmark screen filter tabs */
.bm-filter-bar {
  display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap;
}
.bm-filter-btn {
  padding: 10px 20px; border-radius: 24px; cursor: pointer; font-size: 13px;
  border: 1px solid var(--border); background: var(--card2);
  color: var(--text); font-family: 'Noto Serif JP'; font-weight: 700;
  transition: all 0.2s; display: flex; align-items: center; gap: 8px;
}
.bm-filter-btn:hover { border-color: var(--gold); }
.bm-filter-btn.active-all   { border-color: var(--gold);     background: rgba(212,175,55,0.15); color: #b5952f; }
.bm-filter-btn.active-bm    { border-color: var(--bookmark); background: rgba(243,156,18,0.15); color: #d68910; }
.bm-filter-btn.active-wrong { border-color: var(--cross);    background: rgba(231,76,60,0.12);  color: var(--cross); }
.bm-filter-count {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.06); border-radius: 12px;
  padding: 2px 8px; font-size: 11px; min-width: 24px;
}

/* Summary bar above word list */
.bm-summary {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.bm-summary-label { font-size: 13px; color: var(--text2); }
.bm-summary-label strong { color: var(--text); font-size: 15px; }

/* Word row cross indicator in bookmark list */
.cross-indicator {
  font-size: 10px; padding: 1px 5px; border-radius: 3px;
  background: rgba(231,76,60,0.12); color: var(--cross);
  border: 1px solid rgba(231,76,60,0.3); margin-left: 4px; flex-shrink: 0;
  vertical-align: middle;
}

/* ========== RANKING ========== */
.ranking-panel {
  background: linear-gradient(135deg, rgba(212,175,55,0.10), rgba(52,152,219,0.06));
  border: 1px solid rgba(212,175,55,0.35);
  border-radius: 16px; padding: 20px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 16px; cursor: pointer;
  transition: all 0.22s; box-shadow: 0 6px 18px rgba(0,0,0,0.04);
}
.ranking-panel:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(0,0,0,0.07); border-color: rgba(212,175,55,0.6); }
.ranking-panel-icon {
  width: 56px; height: 56px; border-radius: 16px; display:flex; align-items:center; justify-content:center;
  background: rgba(212,175,55,0.15); font-size: 28px; flex-shrink:0;
}
.ranking-panel-info { flex: 1; }
.ranking-panel-title { font-size: 16px; font-weight: 700; color: var(--gold2); margin-bottom: 4px; }
.ranking-panel-sub { font-size: 12px; color: var(--text2); line-height: 1.6; }
.ranking-panel-rank { text-align: right; min-width: 88px; }
.ranking-panel-rank-num { font-family: 'Playfair Display', serif; font-size: 30px; color: var(--gold2); font-weight: 700; line-height:1; }
.ranking-panel-rank-label { font-size: 11px; color: var(--text2); margin-top: 4px; font-weight:700; }
.ranking-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr); gap: 20px; align-items: start; }
.ranking-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}
.ranking-meta-title { font-size: 13px; color: var(--text2); font-weight: 700; margin-bottom: 12px; letter-spacing: .8px; text-transform: uppercase; }
.ranking-list { display: flex; flex-direction: column; gap: 10px; }
.ranking-item {
  display: grid; grid-template-columns: 54px minmax(0,1fr) auto; gap: 12px; align-items: center;
  border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; background: #fff;
}
.ranking-item.me { border-color: rgba(212,175,55,0.6); background: rgba(212,175,55,0.08); }
.ranking-rank-badge {
  width: 40px; height: 40px; border-radius: 12px; display:flex; align-items:center; justify-content:center;
  background: var(--card2); color: var(--text); font-weight:700;
}
.ranking-item.top1 .ranking-rank-badge { background: rgba(241,196,15,0.18); color: #c58b00; }
.ranking-item.top2 .ranking-rank-badge { background: rgba(149,165,166,0.18); color: #6c7a89; }
.ranking-item.top3 .ranking-rank-badge { background: rgba(230,126,34,0.16); color: #b76a16; }
.ranking-user { min-width: 0; }
.ranking-name { font-size: 15px; font-weight: 700; color: var(--text); display:flex; align-items:center; gap:8px; }
.ranking-you-tag { font-size: 10px; padding: 2px 6px; border-radius: 999px; background: rgba(212,175,55,0.16); color: var(--gold2); border: 1px solid rgba(212,175,55,0.35); }
.ranking-sub { font-size: 12px; color: var(--text2); margin-top: 4px; }
.ranking-score { text-align: right; }
.ranking-score-main { font-family: 'Playfair Display', serif; font-size: 28px; color: var(--text); line-height: 1; }
.ranking-score-label { font-size: 11px; color: var(--text2); font-weight: 700; margin-top: 4px; }
.ranking-side-grid { display:grid; gap:16px; }
.ranking-stat-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.ranking-stat-box {
  border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: var(--card2);
}
.ranking-stat-value { font-family:'Playfair Display', serif; font-size: 28px; color: var(--text); font-weight:700; line-height:1; }
.ranking-stat-label { font-size: 11px; color: var(--text2); font-weight:700; margin-top: 6px; }
.ranking-note { font-size: 12px; color: var(--text2); line-height: 1.7; }
.auth-fab {
  position: fixed; top: 14px; right: 14px; z-index: 1200;
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.96); border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 10px 8px 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08); backdrop-filter: blur(8px);
}
.auth-user-chip { display:flex; align-items:center; gap:8px; min-width:0; }
.auth-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; background: var(--card2); border:1px solid var(--border); }
.auth-avatar-fallback { width: 28px; height: 28px; border-radius: 50%; display:flex; align-items:center; justify-content:center; background: rgba(212,175,55,0.14); color: var(--gold2); font-size: 12px; font-weight: 700; border: 1px solid rgba(212,175,55,0.35); }
.auth-meta { min-width:0; }
.auth-name { font-size: 12px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 140px; }
.auth-sub { font-size: 10px; color: var(--text2); }
.auth-btn { border:none; border-radius:999px; padding: 8px 14px; font-family:'Noto Serif JP'; font-size:12px; font-weight:700; cursor:pointer; transition:all .2s; }
.auth-btn.login { background: var(--gold); color:#fff; }
.auth-btn.login:hover { background: var(--gold2); }
.auth-btn.logout { background: var(--card2); color: var(--text); border:1px solid var(--border); }
.auth-btn.logout:hover { border-color: var(--text2); }
.sync-status { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 1200; background: rgba(44,62,80,0.92); color: #fff; padding: 10px 16px; border-radius: 999px; font-size: 12px; box-shadow: 0 8px 20px rgba(0,0,0,0.18); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.sync-status.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.sync-status.error { background: rgba(231,76,60,0.95); }

.ranking-empty { text-align:center; padding: 40px 20px; color: var(--text2); }
@media (max-width: 860px) {
  .ranking-layout { grid-template-columns: 1fr; }
}

/* === 追加アニメーションの定義 === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
  0% { transform: scale(0.9); opacity: 0; }
  70% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes flashResult {
  0% { transform: scale(0.5); opacity: 0; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* === 各要素へのアニメーション適用 === */

/* 画面遷移: フェードイン */
.screen.active {
  animation: fadeInUp 0.4s ease-out forwards;
}

/* セットカード: 浮き上がりと出現アニメ */
.set-card {
  animation: fadeInUp 0.5s ease-out both;
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.set-card:active {
  transform: translateY(-1px) scale(0.98);
}

/* クイズカード: ポップアップ出現 */
.question-card {
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 正解・不正解のオーバーレイ演出 */
.result-overlay.show {
  opacity: 1;
  animation: flashResult 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ボタン類のクリック時リアクション */
.btn:active:not(:disabled), 
.confirm-btn:active, 
.back-btn:active, 
.choice-btn:active:not(:disabled) {
  transform: scale(0.96);
}

/* リスト行のホバー演出の強化 */
.word-row {
  transition: background 0.2s ease, transform 0.2s ease;
}
.word-row:hover {
  background: rgba(52, 152, 219, 0.05);
}

/* 進捗バーの滑らかな伸び */
.progress-seg {
  transition: width 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}
.quiz-progress-fill {
  transition: width 0.4s ease-out;
}


/* =========================================================
   UI REDESIGN PATCH 2026
   目的: スマホでの操作性・視認性・余白・固定UIの重なりを改善
   ========================================================= */
:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --card2: #eef3f8;
  --border: #dde7f0;
  --text: #243447;
  --text2: #6f7f91;
  --gold: #c9a227;
  --gold2: #a98118;
  --shadow-sm: 0 4px 14px rgba(31,45,61,.06);
  --shadow-md: 0 12px 30px rgba(31,45,61,.10);
  --radius-lg: 18px;
  --radius-md: 14px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

body {
  background:
    radial-gradient(circle at top left, rgba(212,175,55,.10), transparent 32rem),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 45%, #eef3f8 100%);
  -webkit-tap-highlight-color: transparent;
}

.header {
  min-height: 66px;
  padding: 14px clamp(16px, 4vw, 28px);
  background: rgba(255,255,255,.86);
  box-shadow: 0 1px 0 rgba(221,231,240,.65), 0 8px 24px rgba(31,45,61,.04);
}
.header-title { font-size: clamp(18px, 4.4vw, 22px); line-height: 1.15; }
.header-sub { margin-top: 3px; font-size: 11px; line-height: 1.35; }
.content { max-width: 1040px; padding: clamp(16px, 4vw, 28px); }

.home-stats,
.quiz-options,
.word-table-wrap,
.result-card,
.ranking-card,
.set-card,
.bookmark-panel,
.ranking-panel {
  border-radius: var(--radius-lg);
  border-color: rgba(221,231,240,.9);
  box-shadow: var(--shadow-sm);
}

.home-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 12px;
  padding: 18px;
}
.home-stat {
  min-width: 0;
  background: linear-gradient(180deg, #fff, #f7f9fc);
  border: 1px solid rgba(221,231,240,.82);
  border-radius: 16px;
  padding: 12px 10px;
}
.home-stat-num { font-size: clamp(24px, 6vw, 34px); }

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 12px;
  color: #506174;
  letter-spacing: .08em;
}
.section-title::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(212,175,55,.14);
}

.sets-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.set-card { padding: 18px; }
.set-title { font-size: 16px; padding-right: 58px; line-height: 1.45; }
.set-range { font-size: 12px; }
.progress-bar { height: 9px; border-radius: 999px; background: #e9eff5; }
.progress-seg:first-child { border-radius: 999px 0 0 999px; }
.progress-seg:last-child { border-radius: 0 999px 999px 0; }
.stat-item { background: rgba(244,247,251,.9); border: 1px solid rgba(221,231,240,.7); padding: 4px 7px; border-radius: 999px; }

.quiz-options { padding: clamp(16px, 4vw, 24px); }
.options-title { color: #526376; font-size: 12px; letter-spacing: .04em; }
.mode-selector,
.retest-options,
.range-presets { gap: 10px; }
.mode-btn,
.retest-btn,
.range-preset-btn,
.back-btn,
.btn,
.confirm-btn,
.next-btn,
.choice-btn {
  min-height: 44px;
  border-radius: 13px;
}
.mode-btn,
.retest-btn,
.range-preset-btn {
  padding: 10px 14px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(31,45,61,.03);
}
.mode-btn.active,
.retest-btn.active,
.range-preset-btn.active {
  box-shadow: 0 8px 18px rgba(212,175,55,.13);
}
.action-btns .btn { justify-content: center; min-width: 180px; }
.btn-primary { box-shadow: 0 10px 20px rgba(201,162,39,.20); }
.range-panel { background: #f8fbff; padding: 16px; }
.range-custom-row { align-items: stretch; }
.quiz-count-input-wrap { min-height: 44px; background: #fff; }
.range-summary-chip { min-height: 44px; background: rgba(52,152,219,.10); }

.word-table-wrap { overflow: hidden; }
.word-table-header { position: sticky; top: 0; z-index: 2; }
.word-row { min-height: 54px; }
.word-en { font-size: 17px; }
.badge { width: 30px; height: 30px; }

.quiz-header {
  min-height: 62px;
  gap: 12px;
  padding: 12px clamp(12px, 4vw, 24px);
  position: sticky;
  top: 0;
  z-index: 250;
  box-shadow: 0 6px 18px rgba(31,45,61,.05);
}
.quiz-header > div:first-child { min-width: 0; flex-wrap: wrap; }
.quiz-progress-bar { position: sticky; top: 62px; z-index: 249; height: 6px; }
.quiz-content { align-items: flex-start; padding: clamp(14px, 4vw, 28px); }
.question-card {
  max-width: 700px;
  padding: clamp(22px, 5vw, 36px);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}
.question-prompt { margin-right: 52px; }
.question-word { font-size: clamp(36px, 10vw, 56px); letter-spacing: .01em; }
.question-meaning { font-size: clamp(22px, 6vw, 34px); }
.question-sub { line-height: 1.6; }
.choices { gap: 12px; }
.choice-btn { font-size: 15px; padding: 16px; background: #fff; }
.answer-input { min-height: 56px; font-size: 20px; border-radius: 14px; }
.answer-user,
.answer-reveal,
.answer-auto-judge { border-radius: 14px; }
.quiz-bm-btn { top: 12px; right: 12px; min-height: 42px; min-width: 48px; }

.ranking-panel,
.bookmark-panel { padding: 18px; }
.ranking-item { border-radius: 16px; }

.auth-fab {
  top: 12px;
  right: 12px;
  max-width: min(360px, calc(100vw - 24px));
}

/* クイズ中はログインUIが進捗を邪魔しないよう下へ退避 */
body.is-quiz-active .auth-fab {
  top: auto;
  bottom: calc(14px + var(--safe-bottom));
  right: 14px;
  transform: scale(.94);
  transform-origin: bottom right;
}

/* 下部ナビ */
.mobile-bottom-nav {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(10px + var(--safe-bottom));
  z-index: 1150;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 7px;
  border: 1px solid rgba(221,231,240,.9);
  border-radius: 22px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 14px 34px rgba(31,45,61,.16);
  backdrop-filter: blur(14px);
}
.mobile-bottom-nav button {
  border: none;
  border-radius: 16px;
  min-height: 48px;
  background: transparent;
  color: var(--text2);
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.mobile-bottom-nav .nav-icon { font-size: 18px; line-height: 1; }
.mobile-bottom-nav button.active {
  background: rgba(212,175,55,.14);
  color: var(--gold2);
}
.mobile-bottom-nav.hidden { display: none !important; }

@media (max-width: 700px) {
  body { padding-bottom: calc(82px + var(--safe-bottom)); }
  .content { padding: 16px; }
  .header { padding: 12px 16px; align-items: flex-start; }
  .header-title { max-width: calc(100vw - 88px); }
  .screen:not(#screen-quiz) .header-sub { max-width: calc(100vw - 88px); }
  .auth-fab {
    top: auto;
    bottom: calc(76px + var(--safe-bottom));
    right: 12px;
    left: 12px;
    justify-content: space-between;
    border-radius: 18px;
    padding: 8px 10px;
  }
  body.is-quiz-active .auth-fab {
    left: 12px;
    right: 12px;
    bottom: calc(12px + var(--safe-bottom));
    transform: none;
  }
  .auth-name { max-width: 52vw; }
  .mobile-bottom-nav { display: grid; }
  body.is-quiz-active .mobile-bottom-nav { display: none; }

  .sets-grid { grid-template-columns: 1fr; }
  .home-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .ranking-panel,
  .bookmark-panel { align-items: flex-start; }
  .ranking-panel-rank { display: none; }

  .mode-selector,
  .retest-options,
  .range-presets { display: grid; grid-template-columns: 1fr; }
  .mode-btn,
  .retest-btn,
  .range-preset-btn { width: 100%; text-align: left; justify-content: flex-start; }
  .action-btns .btn { width: 100%; }
  .range-custom-row { display: grid; grid-template-columns: 1fr; }
  .quiz-count-input-wrap { width: 100%; justify-content: space-between; }
  .quiz-count-input { width: 72px; }

  .word-table-header { display: none; }
  .word-table-scroll { max-height: none; }
  .word-row {
    grid-template-columns: 34px 1fr auto;
    grid-template-areas:
      'num en status'
      'num jp status';
    padding: 12px 14px;
    gap: 4px 10px;
    align-items: center;
  }
  .word-row > span:nth-child(1) { display: none; }
  .word-row > span:nth-child(2) { grid-area: num; }
  .word-row > span:nth-child(3) { grid-area: en; }
  .word-row > span:nth-child(4) { grid-area: jp; }
  .word-row > span:nth-child(5) { grid-area: status; justify-self: end; }
  .word-en { font-size: 18px; }
  .word-jp { font-size: 13px; line-height: 1.5; }

  .quiz-header {
    align-items: flex-start;
    min-height: auto;
    padding: 10px 12px;
  }
  .quiz-progress-bar { top: 0; }
  .quiz-header .back-btn { padding: 7px 10px; min-height: 38px; }
  .quiz-type-tag,
  .quiz-mode-tag { font-size: 10px; }
  .quiz-content { padding: 12px; }
  .question-card { border-radius: 22px; padding: 22px 16px; }
  .choices { grid-template-columns: 1fr; }
  .choice-btn { min-height: 54px; }
  .judge-3btns { flex-direction: column; }
  .next-btn,
  .confirm-btn { min-height: 54px; }

  .result-card { margin: 16px auto; padding: 26px 18px; }
  .result-stats { gap: 12px; }
}

@media (max-width: 390px) {
  .home-stats { grid-template-columns: 1fr; }
  .header-title { font-size: 17px; }
  .quiz-header { gap: 8px; }
  .question-card { padding-left: 14px; padding-right: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   ACCOUNT SETTINGS PATCH
   ========================================================= */
.account-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .65fr);
  gap: 20px;
  align-items: start;
}
.account-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow-sm, 0 4px 14px rgba(31,45,61,.06));
}
.account-hero {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.account-avatar-large {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212,175,55,.18), rgba(52,152,219,.10));
  color: var(--gold2);
  font-size: 22px;
  font-weight: 800;
  border: 1px solid rgba(212,175,55,.28);
  flex-shrink: 0;
}
.account-title-main { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.account-sub-main { font-size: 12px; color: var(--text2); line-height: 1.6; }
.account-field { margin-top: 16px; }
.account-label { font-size: 12px; color: var(--text2); font-weight: 800; margin-bottom: 8px; }
.account-input {
  width: 100%;
  min-height: 52px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 12px 14px;
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  color: var(--text);
  outline: none;
  box-shadow: inset 0 1px 3px rgba(31,45,61,.04);
}
.account-input:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(212,175,55,.16); }
.account-help { margin-top: 8px; font-size: 12px; color: var(--text2); line-height: 1.6; }
.account-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.account-privacy-list { display: grid; gap: 10px; margin-top: 10px; }
.account-privacy-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border-radius: 16px;
  background: var(--card2);
  border: 1px solid rgba(221,231,240,.85);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}
.account-privacy-icon { width: 24px; flex-shrink: 0; }
.account-mini-stat {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
  margin-top: 14px;
}
.account-mini-box {
  padding: 14px;
  border-radius: 16px;
  background: linear-gradient(180deg, #fff, #f7f9fc);
  border: 1px solid rgba(221,231,240,.88);
}
.account-mini-value { font-family: 'Playfair Display', serif; font-size: 28px; font-weight: 800; line-height: 1; }
.account-mini-label { font-size: 11px; color: var(--text2); font-weight: 800; margin-top: 6px; }

.auth-fab {
  padding: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}
.auth-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  max-width: min(270px, calc(100vw - 24px));
  padding: 7px 12px 7px 7px;
  border: 1px solid rgba(221,231,240,.92);
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 10px 26px rgba(31,45,61,.11);
  color: var(--text);
  cursor: pointer;
  font-family: 'Noto Serif JP', serif;
  font-weight: 800;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  backdrop-filter: blur(12px);
}
.auth-pill:hover { transform: translateY(-1px); border-color: rgba(212,175,55,.48); box-shadow: 0 14px 30px rgba(31,45,61,.15); }
.auth-pill:active { transform: scale(.98); }
.auth-dot-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212,175,55,.22), rgba(52,152,219,.14));
  color: var(--gold2);
  border: 1px solid rgba(212,175,55,.34);
  font-size: 13px;
  flex-shrink: 0;
}
.auth-pill-text {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  line-height: 1.1;
}
.auth-pill-name { font-size: 12px; max-width: 150px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.auth-pill-sub { font-size: 9px; color: var(--text2); margin-top: 3px; }
.auth-pill-login { padding: 7px 14px 7px 7px; }
.auth-pill-login .auth-dot-avatar { background: var(--gold); color: #fff; }
body.is-quiz-active .auth-fab { opacity: .18; transform: scale(.88); transition: opacity .18s ease, transform .18s ease; }
body.is-quiz-active .auth-fab:hover { opacity: 1; transform: scale(.94); }

.ranking-locked {
  text-align: center;
  padding: 34px 20px;
}
.ranking-locked-icon { font-size: 42px; margin-bottom: 12px; }
.ranking-locked-title { font-size: 18px; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.ranking-locked-sub { font-size: 13px; color: var(--text2); line-height: 1.8; margin-bottom: 16px; }

@media (max-width: 700px) {
  .account-layout { grid-template-columns: 1fr; }
  .auth-fab {
    left: auto !important;
    right: 12px !important;
    bottom: calc(78px + var(--safe-bottom)) !important;
    width: auto !important;
    justify-content: flex-end !important;
  }
  .auth-pill { min-height: 42px; padding-right: 9px; }
  .auth-pill-text { display: none; }
  body.is-quiz-active .auth-fab {
    bottom: calc(12px + var(--safe-bottom)) !important;
    right: 12px !important;
    left: auto !important;
  }
  .account-card { padding: 18px; }
  .account-actions .btn { width: 100%; justify-content: center; }
}



/* =========================================================
   MOBILE ACCOUNT UI CONSOLIDATION + PWA SAFE AREA PATCH
   スマホでは下部ナビの「設定」にアカウント操作を統合し、
   浮遊アカウントロゴは非表示にして画面スペースを確保。
   ========================================================= */
@media (max-width: 700px) {
  .auth-fab {
    display: none !important;
  }
  body.is-quiz-active .auth-fab {
    display: none !important;
  }
  .mobile-bottom-nav button[data-target="screen-account"] {
    background: rgba(212,175,55,.10);
  }
  #screen-account .header-title::after {
    content: 'PWA対応';
    display: inline-flex;
    margin-left: 8px;
    padding: 3px 7px;
    border-radius: 999px;
    background: rgba(52,152,219,.10);
    color: var(--circle);
    border: 1px solid rgba(52,152,219,.20);
    font-family: 'Noto Serif JP', serif;
    font-size: 10px;
    vertical-align: middle;
  }
}



/* =========================================================
   FULL UI UPGRADE PATCH 2026-04
   目的: 全画面の質感・導線・スマホ操作・アクセシビリティを底上げ
   ========================================================= */
:root {
  --focus: 0 0 0 4px rgba(52,152,219,.18);
  --glass: rgba(255,255,255,.78);
  --success-soft: rgba(46,204,113,.11);
  --danger-soft: rgba(231,76,60,.10);
  --gold-soft: rgba(201,162,39,.13);
}

html { scroll-behavior: smooth; }
body { line-height: 1.65; }
button, input { touch-action: manipulation; }
button:focus-visible, input:focus-visible, .set-card:focus-visible {
  outline: none !important;
  box-shadow: var(--focus), var(--shadow-sm) !important;
}

.header {
  border-bottom: 1px solid rgba(221,231,240,.72);
}
.header-title { text-wrap: balance; }
.header-sub { text-wrap: pretty; }
.back-btn { min-width: 44px; }

.content > .section-title:first-child { margin-top: 0; }

/* Home command center */
.home-command-center {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 18px;
  margin: 0 0 18px;
  border: 1px solid rgba(221,231,240,.88);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,255,255,.94), rgba(248,251,255,.84));
  box-shadow: var(--shadow-sm);
}
.home-command-kicker {
  font-size: 11px;
  color: var(--gold2);
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.home-command-title {
  font-size: clamp(18px, 4.6vw, 25px);
  font-weight: 900;
  color: var(--text);
  line-height: 1.35;
}
.home-command-sub {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text2);
}
.home-command-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.ui-chip-btn {
  border: 1px solid rgba(221,231,240,.95);
  background: #fff;
  min-height: 42px;
  border-radius: 999px;
  padding: 9px 13px;
  color: var(--text);
  font-family: 'Noto Serif JP', serif;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(31,45,61,.04);
}
.ui-chip-btn.primary { background: var(--gold); color: #fff; border-color: var(--gold); }
.ui-chip-btn.danger { color: var(--cross); background: rgba(231,76,60,.07); border-color: rgba(231,76,60,.24); }
.ui-chip-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 16px rgba(31,45,61,.08); }

.home-stats { position: relative; overflow: hidden; }
.home-stats::after {
  content: '';
  position: absolute;
  inset: auto -20% -70% 35%;
  height: 150px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(201,162,39,.10), transparent 68%);
  pointer-events: none;
}
.home-stat { transition: transform .18s ease, box-shadow .18s ease; }
.home-stat:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(31,45,61,.07); }

.home-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin: 8px 0 16px;
}
.home-search {
  min-height: 48px;
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(221,231,240,.95);
  background: rgba(255,255,255,.92);
  padding: 12px 14px;
  font-family: 'Noto Serif JP', serif;
  color: var(--text);
  font-size: 14px;
  box-shadow: inset 0 1px 2px rgba(31,45,61,.03);
}
.home-filter-pills { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.home-filter-pills .ui-chip-btn.active { background: rgba(201,162,39,.13); color: var(--gold2); border-color: rgba(201,162,39,.38); }
.set-card[hidden] { display: none !important; }
.set-card { isolation: isolate; }
.set-card::after {
  content: '開く';
  position: absolute;
  right: 14px;
  bottom: 14px;
  font-size: 10px;
  color: var(--text2);
  border: 1px solid rgba(221,231,240,.9);
  border-radius: 999px;
  padding: 3px 8px;
  background: rgba(255,255,255,.68);
  opacity: 0;
  transform: translateY(4px);
  transition: .18s ease;
}
.set-card:hover::after { opacity: 1; transform: translateY(0); }

/* Set screen */
.quiz-options { position: relative; overflow: hidden; }
.quiz-options::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), rgba(52,152,219,.45), transparent);
}
.mode-btn.active::before, .retest-btn.active::before, .range-preset-btn.active::before { content: '✓ '; }
.word-table-wrap { background: rgba(255,255,255,.92); }
.word-row { border-bottom-color: rgba(221,231,240,.66); }
.word-row:hover { transform: translateX(2px); }
.bookmark-btn, .manual-up-btn { min-width: 30px; min-height: 30px; }

/* Quiz screen */
.quiz-content {
  background:
    radial-gradient(circle at 50% 0%, rgba(201,162,39,.12), transparent 22rem),
    linear-gradient(180deg, #f8fbff, var(--bg));
}
.question-card { border-color: rgba(221,231,240,.95); }
.question-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,.0), rgba(201,162,39,.05));
  pointer-events: none;
}
.question-prompt, .question-sub { position: relative; z-index: 1; }
.choice-btn { position: relative; overflow: hidden; }
.choice-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent);
  transform: translateX(-120%);
  transition: transform .45s ease;
}
.choice-btn:hover::after { transform: translateX(120%); }
.confirm-btn, .next-btn { box-shadow: 0 10px 22px rgba(31,45,61,.08); }

/* Result */
.result-card { position: relative; overflow: hidden; }
.result-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--dcircle), var(--gold), var(--cross));
}

/* Toast / utility */
.ui-toast {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(16px);
  z-index: 2000;
  max-width: min(92vw, 480px);
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(36,52,71,.94);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 14px 34px rgba(31,45,61,.22);
  transition: opacity .18s ease, transform .18s ease;
}
.ui-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.back-to-top {
  position: fixed;
  right: 16px;
  bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  z-index: 1140;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(221,231,240,.9);
  background: rgba(255,255,255,.92);
  color: var(--text);
  box-shadow: 0 10px 24px rgba(31,45,61,.13);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: .18s ease;
}
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
body.is-quiz-active .back-to-top { display: none; }

@media (max-width: 700px) {
  .home-command-center { grid-template-columns: 1fr; padding: 16px; }
  .home-command-actions { justify-content: stretch; display: grid; grid-template-columns: 1fr 1fr; }
  .home-command-actions .ui-chip-btn { width: 100%; }
  .home-tools { grid-template-columns: 1fr; }
  .home-filter-pills { display: grid; grid-template-columns: repeat(3, 1fr); justify-content: stretch; }
  .home-filter-pills .ui-chip-btn { padding-left: 8px; padding-right: 8px; }
  .set-card::after { opacity: 1; transform: none; }
  .word-row:hover { transform: none; }
  .quiz-content { min-height: calc(100vh - 70px); }
  .question-prompt { margin-right: 48px; }
  .question-card { box-shadow: 0 10px 24px rgba(31,45,61,.09); }
  .back-to-top { bottom: calc(88px + env(safe-area-inset-bottom, 0px)); right: 14px; }
  .ui-toast { bottom: calc(86px + env(safe-area-inset-bottom, 0px)); border-radius: 18px; text-align: center; }
}

/* login + classi side buttons */
.auth-actions-inline{display:flex;gap:8px;align-items:center;}
.classi-login-btn{
border:none;border-radius:999px;padding:8px 12px;min-height:42px;
background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;
font-family:'Noto Serif JP',serif;font-size:12px;font-weight:800;cursor:pointer;
box-shadow:0 8px 18px rgba(37,99,235,.18);
}
.classi-login-btn:hover{filter:brightness(1.05);}
@media (max-width:700px){
.classi-login-btn{padding:8px 10px;font-size:11px;}
}


/* =========================================================
   MOBILE VISIBLE LOGIN BAR PATCH
   広告でログインボタンが隠れる問題対策：
   スマホではログイン・Classi学習記録を画面上部に固定表示
   ========================================================= */
.mobile-login-bar {
  display: none;
}

@media (max-width: 700px) {
  body {
    padding-top: 58px;
  }

  .mobile-login-bar {
    position: fixed;
    top: calc(8px + env(safe-area-inset-top, 0px));
    left: 10px;
    right: 10px;
    z-index: 5000;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 7px;
    border-radius: 20px;
    background: rgba(255,255,255,.94);
    border: 1px solid rgba(221,231,240,.96);
    box-shadow: 0 12px 34px rgba(31,45,61,.18);
    backdrop-filter: blur(14px);
  }

  .mobile-login-bar button {
    min-height: 42px;
    border: none;
    border-radius: 15px;
    font-family: 'Noto Serif JP', serif;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
  }

  .mobile-login-main {
    background: rgba(201,162,39,.16);
    color: var(--gold2);
    border: 1px solid rgba(201,162,39,.28) !important;
  }

  .mobile-classi-main {
    background: linear-gradient(135deg,#3b82f6,#2563eb);
    color: #fff;
    box-shadow: 0 8px 18px rgba(37,99,235,.18);
  }

  .mobile-login-bar button:active {
    transform: scale(.97);
  }

  .auth-fab {
    display: none !important;
  }
}

@media (max-width: 370px) {
  .mobile-login-bar button {
    font-size: 11px;
  }
}


/* Ad close button patch */
.ad-close-btn{
 position:absolute; top:6px; right:6px; z-index:20;
 width:28px; height:28px; border:none; border-radius:999px;
 background:rgba(0,0,0,.65); color:#fff; cursor:pointer;
 font-size:16px; line-height:1; display:flex; align-items:center; justify-content:center;
 box-shadow:0 4px 10px rgba(0,0,0,.18);
}
.ad-close-btn:hover{background:rgba(0,0,0,.8);}
.ad-hidden{display:none !important;}


/* Robust ad close button patch v2 */
.ad-close-btn-v2{
 position:absolute !important;
 top:4px !important;
 right:4px !important;
 z-index:2147483647 !important;
 width:30px !important;
 height:30px !important;
 min-width:30px !important;
 min-height:30px !important;
 border:1px solid rgba(255,255,255,.75) !important;
 border-radius:999px !important;
 background:rgba(20,20,20,.82) !important;
 color:#fff !important;
 cursor:pointer !important;
 font-size:20px !important;
 font-weight:800 !important;
 line-height:1 !important;
 display:flex !important;
 align-items:center !important;
 justify-content:center !important;
 box-shadow:0 4px 14px rgba(0,0,0,.35) !important;
 padding:0 !important;
 appearance:none !important;
 -webkit-appearance:none !important;
}
.ad-close-btn-v2:hover{background:rgba(0,0,0,.95) !important;}
.ad-hidden-by-user{display:none !important; visibility:hidden !important;}
.ad-close-wrap-v2{position:relative !important;}
.ad-close-fallback-v2{
 position:fixed !important;
 right:10px !important;
 bottom:calc(96px + env(safe-area-inset-bottom,0px)) !important;
 z-index:2147483647 !important;
 padding:9px 12px !important;
 border:none !important;
 border-radius:999px !important;
 background:rgba(20,20,20,.82) !important;
 color:#fff !important;
 font-family:'Noto Serif JP',serif !important;
 font-size:12px !important;
 font-weight:800 !important;
 box-shadow:0 8px 22px rgba(0,0,0,.28) !important;
}
@media (min-width:701px){
 .ad-close-fallback-v2{bottom:18px !important;}
}


/* Always hide bottom mobile ads */
@media (max-width:700px){
  iframe[src*="googlesyndication"],
  iframe[src*="doubleclick"],
  ins.adsbygoogle,
  .adsbygoogle,
  [id*="google_ads_iframe"],
  .sticky-ad,.bottom-ad,.footer-ad,[class*="bottom-ad"],[class*="sticky-ad"]{
    display:none !important;
    visibility:hidden !important;
    height:0 !important;
    min-height:0 !important;
    max-height:0 !important;
    opacity:0 !important;
    pointer-events:none !important;
  }
}


/* =========================================================
   MOBILE HAMBURGER MENU PATCH
   スマホ下部メニューバーを非表示にし、ヘッダーにメニューを集約
   ========================================================= */
.mobile-hamburger-btn,
.mobile-menu-drawer,
.mobile-menu-backdrop {
  display: none;
}

@media (max-width:700px){
  .mobile-bottom-nav {
    display: none !important;
  }

  body {
    padding-bottom: calc(16px + var(--safe-bottom, env(safe-area-inset-bottom, 0px))) !important;
  }

  .mobile-hamburger-btn {
    display: inline-flex;
    position: fixed;
    top: calc(10px + env(safe-area-inset-top, 0px));
    right: 12px;
    z-index: 5200;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(221,231,240,.96);
    border-radius: 14px;
    background: rgba(255,255,255,.94);
    color: var(--text);
    box-shadow: 0 8px 24px rgba(31,45,61,.13);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(12px);
  }

  .mobile-hamburger-icon,
  .mobile-hamburger-icon::before,
  .mobile-hamburger-icon::after {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: var(--text);
    content: '';
    transition: transform .18s ease, opacity .18s ease;
  }

  .mobile-hamburger-icon::before {
    transform: translateY(-7px);
  }

  .mobile-hamburger-icon::after {
    transform: translateY(5px);
  }

  body.mobile-menu-open .mobile-hamburger-icon {
    background: transparent;
  }

  body.mobile-menu-open .mobile-hamburger-icon::before {
    transform: translateY(2px) rotate(45deg);
  }

  body.mobile-menu-open .mobile-hamburger-icon::after {
    transform: translateY(0) rotate(-45deg);
  }

  .mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 5100;
    background: rgba(18,31,45,.28);
    backdrop-filter: blur(3px);
  }

  body.mobile-menu-open .mobile-menu-backdrop {
    display: block;
  }

  .mobile-menu-drawer {
    position: fixed;
    top: calc(62px + env(safe-area-inset-top, 0px));
    right: 12px;
    left: 12px;
    z-index: 5150;
    display: block;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(.98);
    transition: opacity .18s ease, transform .18s ease;
    border: 1px solid rgba(221,231,240,.96);
    border-radius: 22px;
    background: rgba(255,255,255,.96);
    box-shadow: 0 20px 46px rgba(31,45,61,.22);
    padding: 12px;
    backdrop-filter: blur(16px);
  }

  body.mobile-menu-open .mobile-menu-drawer {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .mobile-menu-title {
    padding: 6px 8px 12px;
    font-size: 13px;
    color: var(--text2);
    font-weight: 800;
  }

  .mobile-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .mobile-menu-item {
    min-height: 52px;
    border: 1px solid rgba(221,231,240,.9);
    border-radius: 16px;
    background: #fff;
    color: var(--text);
    font-family: 'Noto Serif JP', serif;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
  }

  .mobile-menu-item.primary {
    background: rgba(201,162,39,.14);
    color: var(--gold2);
    border-color: rgba(201,162,39,.28);
  }

  .mobile-menu-item.classi {
    background: linear-gradient(135deg,#3b82f6,#2563eb);
    color: #fff;
    border-color: transparent;
  }

  .mobile-menu-item:active {
    transform: scale(.98);
  }

  .mobile-login-bar {
    display: none !important;
  }
}

/* =========================================================
   REQUEST FIX PATCH 2026-05-01
   - 広告タグ削除後の余白維持
   - スマホ版ハンバーガーをヘッダー内に統合
   - 正解/不正解マークをカード前面に表示
   ========================================================= */
.result-overlay {
  z-index: 40;
  transform: translateZ(0);
}
.question-card > :not(.result-overlay) {
  position: relative;
  z-index: 1;
}
.result-overlay.show {
  z-index: 50;
}

@media (max-width:700px){
  .header,
  .quiz-header {
    display: flex;
    align-items: center;
  }
  .header > div:first-of-type {
    min-width: 0;
    flex: 1;
  }
  .mobile-hamburger-btn {
    position: static !important;
    top: auto !important;
    right: auto !important;
    z-index: auto !important;
    margin-left: auto;
    flex: 0 0 44px;
    box-shadow: none;
    background: rgba(255,255,255,.88);
  }
  .mobile-menu-drawer {
    top: calc(72px + env(safe-area-inset-top, 0px)) !important;
  }
  #screen-quiz .mobile-hamburger-btn {
    display: none !important;
  }
}

/* =========================================================
   MOBILE HEADER POSITION FIX
   スマホ表示でヘッダーが下に下がる原因になる body の上余白を解除し、
   ヘッダーを画面上端に揃える。
   ========================================================= */
@media (max-width: 700px) {
  html,
  body {
    margin-top: 0 !important;
    padding-top: 0 !important;
  }

  .screen,
  .screen.active,
  #app {
    padding-top: 0 !important;
    margin-top: 0 !important;
  }

  .header,
  .quiz-header {
    top: 0 !important;
    margin-top: 0 !important;
    padding-top: 10px !important;
  }

  .mobile-login-bar {
    top: 0 !important;
  }
}


/* =========================================================
   MOBILE COMPACT QUIZ SETTINGS PATCH
   単語出題設定をスマホでコンパクトに表示
   ========================================================= */
.mode-btn .mode-num,
.mode-btn .mode-main,
.mode-btn .mode-sub {
  display: inline-block;
}
.mode-btn .mode-main { font-weight: 800; }
.mode-btn .mode-sub { color: var(--text2); font-size: 11px; margin-left: 4px; }
.mode-btn.active .mode-sub { color: var(--gold2); }

@media (max-width: 700px) {
  #screen-set .quiz-options {
    padding: 12px;
    border-radius: 16px;
    margin-bottom: 14px;
  }

  #screen-set .quiz-settings-title {
    margin-bottom: 8px;
    font-size: 12px;
    letter-spacing: .04em;
  }

  #screen-set .mode-selector {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 10px;
  }

  #screen-set .mode-btn {
    width: 100%;
    min-height: 44px;
    padding: 7px 6px;
    border-radius: 12px;
    text-align: center;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
      'num main'
      'num sub';
    column-gap: 4px;
    align-items: center;
    justify-content: center;
    line-height: 1.15;
    font-size: 12px;
  }

  #screen-set .mode-btn .mode-num { grid-area: num; font-size: 12px; }
  #screen-set .mode-btn .mode-main { grid-area: main; font-size: 13px; white-space: nowrap; }
  #screen-set .mode-btn .mode-sub { grid-area: sub; margin-left: 0; font-size: 10px; white-space: nowrap; }

  #screen-set .action-btns {
    margin-bottom: 8px;
  }

  #screen-set .action-btns .btn {
    min-height: 42px;
    padding: 9px 12px;
    justify-content: center;
    border-radius: 12px;
    font-size: 13px;
  }

  #screen-set .quiz-count-row {
    margin: 8px 0 0 !important;
  }

  #screen-set .quiz-count-label {
    font-size: 12px;
    margin-bottom: 6px;
  }

  #screen-set .range-panel {
    padding: 10px;
    margin-top: 6px;
    border-radius: 14px;
  }

  #screen-set .range-presets {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 8px;
  }

  #screen-set .range-preset-btn {
    width: 100%;
    padding: 7px 8px;
    border-radius: 12px;
    font-size: 11px;
    text-align: center;
    justify-content: center;
    min-height: 34px;
  }

  #screen-set .range-custom-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px;
    align-items: center;
  }

  #screen-set .range-custom-label {
    font-size: 11px;
    white-space: nowrap;
  }

  #screen-set .quiz-count-input-wrap {
    width: 100%;
    padding: 6px 8px;
    border-radius: 12px;
    gap: 4px;
    justify-content: center;
  }

  #screen-set .quiz-count-input {
    width: 54px;
    font-size: 14px;
    text-align: center;
  }

  #screen-set .quiz-count-suffix {
    font-size: 11px;
    white-space: nowrap;
  }

  #screen-set .range-summary-chip {
    grid-column: 1 / -1;
    justify-content: center;
    padding: 6px 10px;
    font-size: 11px;
    border-radius: 12px;
  }

  #screen-set .quiz-count-help {
    margin-top: 6px;
    font-size: 11px;
    line-height: 1.4;
  }

  #screen-set .retest-title {
    margin-top: 10px;
  }

  #screen-set .retest-options {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }

  #screen-set .retest-btn {
    width: 100%;
    min-height: 34px;
    padding: 7px 4px;
    border-radius: 12px;
    font-size: 11px;
    text-align: center;
    justify-content: center;
    white-space: nowrap;
  }
}

@media (max-width: 370px) {
  #screen-set .mode-selector,
  #screen-set .range-presets {
    grid-template-columns: 1fr;
  }
  #screen-set .retest-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* =========================================================
   QUIZ SETTINGS DROPDOWN / STEPPER PATCH
   ========================================================= */
.quiz-settings-card {
  display: grid;
  gap: 12px;
  animation: settingsSlideIn .28s ease-out both;
}
.settings-row,
.range-compact-panel {
  background: linear-gradient(180deg, #fff, #f8fbff);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: 0 6px 18px rgba(31,45,61,.05);
}
.settings-row {
  display: grid;
  grid-template-columns: minmax(92px, 0.36fr) minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}
.settings-label {
  display: grid;
  gap: 2px;
  min-width: 0;
}
.settings-label-main {
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
}
.settings-label-sub {
  font-size: 11px;
  color: var(--text2);
  line-height: 1.45;
}
.select-wrap {
  position: relative;
}
.select-wrap::after {
  content: '⌄';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-55%);
  color: var(--gold2);
  font-size: 18px;
  pointer-events: none;
  transition: transform .18s ease;
}
.select-wrap:focus-within::after { transform: translateY(-55%) rotate(180deg); }
.settings-select {
  width: 100%;
  min-height: 46px;
  appearance: none;
  border: 1px solid rgba(201,162,39,.32);
  border-radius: 14px;
  background: #fff;
  color: var(--text);
  padding: 10px 40px 10px 12px;
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 800;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.settings-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(212,175,55,.16);
  transform: translateY(-1px);
}
.range-compact-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.range-stepper-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto minmax(0,1fr);
  gap: 8px;
  align-items: center;
}
.stepper-group,
.count-stepper {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.stepper-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--text2);
  white-space: nowrap;
}
.stepper-separator {
  font-weight: 900;
  color: var(--gold2);
  opacity: .8;
}
.stepper-btn {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(201,162,39,.32);
  border-radius: 12px;
  background: rgba(212,175,55,.10);
  color: var(--gold2);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease;
  flex-shrink: 0;
}
.stepper-btn:hover { background: rgba(212,175,55,.16); box-shadow: 0 8px 16px rgba(212,175,55,.12); }
.stepper-btn:active { transform: scale(.92); }
.stepper-input {
  width: 74px;
  min-width: 0;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  font-weight: 900;
  text-align: center;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.stepper-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(212,175,55,.14);
}
.stepper-pulse { animation: stepperPulse .24s ease-out; }
.range-presets-details {
  margin-top: 10px;
  border-top: 1px dashed rgba(111,127,145,.22);
  padding-top: 10px;
}
.range-presets-details summary {
  cursor: pointer;
  color: var(--gold2);
  font-size: 12px;
  font-weight: 800;
  list-style: none;
  user-select: none;
}
.range-presets-details summary::-webkit-details-marker { display: none; }
.range-presets-details summary::before {
  content: '＋';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-right: 6px;
  border-radius: 50%;
  background: rgba(212,175,55,.12);
}
.range-presets-details[open] summary::before { content: '−'; }
.range-presets-details[open] .range-presets { animation: settingsSlideIn .22s ease-out both; }
.action-btns-sticky .btn { width: 100%; justify-content: center; }

@keyframes settingsSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes stepperPulse {
  0% { transform: scale(.96); background: rgba(212,175,55,.16); }
  100% { transform: scale(1); background: #fff; }
}

@media (max-width: 700px) {
  #screen-set .quiz-options,
  #screen-bookmark .quiz-options {
    padding: 10px;
  }
  #screen-set .quiz-settings-card,
  #screen-bookmark .quiz-settings-card {
    gap: 9px;
  }
  #screen-set .settings-row,
  #screen-bookmark .settings-row,
  #screen-set .range-compact-panel {
    padding: 10px;
    border-radius: 14px;
  }
  #screen-set .settings-row,
  #screen-bookmark .settings-row {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 8px;
  }
  #screen-set .settings-label-main,
  #screen-bookmark .settings-label-main {
    font-size: 12px;
  }
  #screen-set .settings-label-sub,
  #screen-bookmark .settings-label-sub {
    font-size: 10px;
  }
  #screen-set .settings-select,
  #screen-bookmark .settings-select {
    min-height: 40px;
    border-radius: 12px;
    font-size: 13px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
  #screen-set .range-compact-head {
    margin-bottom: 8px;
  }
  #screen-set .range-stepper-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  #screen-set .stepper-separator {
    display: none;
  }
  #screen-set .stepper-group,
  #screen-bookmark .count-stepper {
    display: grid;
    grid-template-columns: 38px 38px minmax(58px,1fr) 38px;
    gap: 6px;
  }
  #screen-bookmark .count-stepper {
    grid-template-columns: 38px minmax(58px,1fr) 38px auto;
  }
  #screen-set .stepper-label {
    align-self: center;
  }
  #screen-set .stepper-input,
  #screen-bookmark .stepper-input {
    width: 100%;
  }
  #screen-set .range-summary-chip {
    min-height: 34px;
    padding: 6px 10px;
    font-size: 11px;
  }
  #screen-set .range-presets-details {
    margin-top: 8px;
    padding-top: 8px;
  }
  #screen-set .range-presets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 8px;
  }
  #screen-set .action-btns-sticky .btn,
  #screen-bookmark .action-btns-sticky .btn {
    min-height: 42px;
    font-size: 13px;
    border-radius: 13px;
    padding: 10px 12px;
  }
}

@media (max-width: 370px) {
  #screen-set .settings-row,
  #screen-bookmark .settings-row {
    grid-template-columns: 1fr;
  }
  #screen-set .range-compact-head {
    align-items: flex-start;
    flex-direction: column;
  }
}


/* ========== FIRST LAUNCH WELCOME MODAL ========== */
.welcome-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(24, 34, 48, .34);
  backdrop-filter: blur(8px);
}
.welcome-modal-backdrop.show {
  display: flex;
  animation: welcomeFadeIn .22s ease-out both;
}
.welcome-modal {
  width: min(440px, 100%);
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(221,231,240,.95);
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 24px 70px rgba(24,34,48,.24);
  transform-origin: center bottom;
  animation: welcomePopIn .34s cubic-bezier(.2,.9,.2,1.08) both;
}
.welcome-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(212,175,55,.14);
  border: 1px solid rgba(212,175,55,.28);
  color: var(--gold2);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
}
.welcome-modal h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.35;
  color: var(--text);
}
.welcome-lead {
  margin: 0 0 14px;
  color: var(--text2);
  font-size: 14px;
  line-height: 1.75;
}
.welcome-terms {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding: 12px 14px 12px 30px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card2);
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
}
.welcome-actions {
  display: grid;
  gap: 10px;
}
.welcome-login-btn,
.welcome-guest-btn {
  width: 100%;
  min-height: 46px;
  border-radius: 14px;
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.welcome-login-btn {
  border: none;
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  box-shadow: 0 10px 22px rgba(201,162,39,.24);
}
.welcome-guest-btn {
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
}
.welcome-login-btn:hover,
.welcome-guest-btn:hover { transform: translateY(-1px); }
.welcome-login-btn:active,
.welcome-guest-btn:active { transform: scale(.98); }
.welcome-guest-btn:hover { border-color: var(--gold); background: rgba(212,175,55,.06); }
.welcome-note {
  margin: 12px 0 0;
  color: var(--text2);
  font-size: 11px;
  text-align: center;
  line-height: 1.5;
}
@keyframes welcomeFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes welcomePopIn {
  from { opacity: 0; transform: translateY(18px) scale(.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@media (max-width: 520px) {
  .welcome-modal-backdrop {
    align-items: flex-end;
    padding: 12px;
  }
  .welcome-modal {
    padding: 18px;
    border-radius: 20px;
  }
  .welcome-modal h2 { font-size: 19px; }
  .welcome-lead { font-size: 13px; }
  .welcome-terms { font-size: 12px; }
}


/* ========== FEATURE NOTICE MODAL ========== */
.feature-notice-fab {
  position: fixed;
  right: 14px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 2400;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(221,231,240,.95);
  border-radius: 999px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 10px 28px rgba(24,34,48,.16);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  backdrop-filter: blur(8px);
}
.feature-notice-fab:hover { transform: translateY(-2px); border-color: rgba(201,162,39,.55); box-shadow: 0 14px 34px rgba(24,34,48,.2); }
.feature-notice-fab:active { transform: scale(.96); }
.feature-notice-icon { font-size: 22px; line-height: 1; }
.feature-notice-dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--cross);
  border: 2px solid #fff;
  opacity: 0;
  transform: scale(.5);
  transition: opacity .2s ease, transform .2s ease;
}
.feature-notice-dot.show { opacity: 1; transform: scale(1); animation: noticePulse 1.4s ease-in-out infinite; }
.feature-notice-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(24, 34, 48, .34);
  backdrop-filter: blur(8px);
}
.feature-notice-backdrop.show { display: flex; animation: welcomeFadeIn .22s ease-out both; }
.feature-notice-modal {
  width: min(460px, 100%);
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(221,231,240,.95);
  border-radius: 22px;
  padding: 20px;
  box-shadow: 0 24px 70px rgba(24,34,48,.24);
  animation: noticeSlideUp .32s cubic-bezier(.2,.9,.2,1.08) both;
}
.feature-notice-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.feature-notice-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(231,76,60,.10);
  border: 1px solid rgba(231,76,60,.24);
  color: var(--cross);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  margin-bottom: 8px;
}
.feature-notice-modal h2 { margin: 0; font-size: 22px; line-height: 1.35; color: var(--text); }
.feature-notice-close {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text2);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: all .18s ease;
}
.feature-notice-close:hover { color: var(--text); border-color: var(--gold); transform: rotate(8deg); }
.feature-notice-list { display: grid; gap: 10px; max-height: 44vh; overflow: auto; padding-right: 2px; }
.feature-notice-item {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, #fff, var(--card2));
  animation: fadeInUp .28s ease-out both;
}
.feature-notice-date { color: var(--gold2); font-size: 11px; font-weight: 900; margin-bottom: 5px; }
.feature-notice-item-title { color: var(--text); font-size: 15px; font-weight: 900; margin-bottom: 6px; }
.feature-notice-item-body { color: var(--text2); font-size: 13px; line-height: 1.65; }
.feature-notice-actions { margin-top: 14px; }
.feature-notice-primary {
  width: 100%;
  min-height: 46px;
  border: none;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  box-shadow: 0 10px 22px rgba(201,162,39,.24);
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
.feature-notice-primary:hover { transform: translateY(-1px); }
.feature-notice-primary:active { transform: scale(.98); }
@keyframes noticePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(231,76,60,.35); }
  50% { box-shadow: 0 0 0 6px rgba(231,76,60,0); }
}
@keyframes noticeSlideUp {
  from { opacity: 0; transform: translateY(18px) scale(.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@media (max-width: 520px) {
  .feature-notice-fab { right: 12px; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); width: 44px; height: 44px; }
  .feature-notice-backdrop { align-items: flex-end; padding: 12px; }
  .feature-notice-modal { padding: 18px; border-radius: 20px; }
  .feature-notice-modal h2 { font-size: 19px; }
  .feature-notice-list { max-height: 46vh; }
}


/* ========== SCHOOL CODE / ADMIN ISSUE ========== */
.school-code-card,
.school-admin-card {
  grid-column: 1 / -1;
}
.school-status-box {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: 16px;
  background: var(--card2);
  border: 1px solid var(--border);
  margin-bottom: 12px;
}
.school-status-box.joined {
  background: rgba(52,152,219,.08);
  border-color: rgba(52,152,219,.22);
}
.school-status-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 22px;
  flex-shrink: 0;
}
.school-status-title {
  font-weight: 800;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 3px;
}
.school-status-sub,
.school-muted {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.7;
}
.school-join-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
}
.school-admin-grid {
  display: grid;
  gap: 10px;
}
.school-admin-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}
.school-issued-head {
  margin: 16px 0 8px;
  font-size: 12px;
  color: var(--text2);
  font-weight: 800;
  letter-spacing: .05em;
}
.school-code-list {
  display: grid;
  gap: 8px;
}
.school-code-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  animation: fadeInUp .22s ease both;
}
.school-code-main {
  font-family: 'EB Garamond', serif;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--text);
}
.school-code-sub {
  font-size: 11px;
  color: var(--text2);
  margin-top: 2px;
}
.school-small-btn {
  border: 1px solid var(--border);
  background: var(--card2);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 10px;
  font-family: 'Noto Serif JP';
  font-weight: 800;
  cursor: pointer;
}
.school-small-btn:hover {
  border-color: var(--gold);
}
@media (max-width: 600px) {
  .school-join-row,
  .school-admin-code-row {
    grid-template-columns: 1fr;
  }
  .school-join-row .btn,
  .school-admin-code-row .btn,
  .school-admin-grid .btn {
    width: 100%;
    justify-content: center;
  }
}


/* ========== ADMIN DASHBOARD ========== */
.admin-dashboard-card {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.admin-dashboard-body { display: grid; gap: 14px; }
.admin-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.admin-stat {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  text-align: center;
}
.admin-stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold2);
}
.admin-stat-label {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text2);
  font-weight: 700;
}
.admin-section-title {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text2);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.admin-settings-grid {
  display: grid;
  gap: 10px;
  background: rgba(212,175,55,0.06);
  border: 1px solid rgba(212,175,55,0.24);
  border-radius: 14px;
  padding: 14px;
}
.admin-field { display: grid; gap: 6px; font-size: 12px; color: var(--text2); font-weight: 700; }
.admin-textarea { min-height: 86px; resize: vertical; line-height: 1.7; }
.admin-check { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--text); font-weight:700; }
.admin-code-dashboard-list { display:grid; gap:8px; }
.admin-code-row {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  border:1px solid var(--border);
  border-radius:12px;
  padding:12px;
  background:#fff;
}
.admin-code-actions { display:flex; gap:6px; flex-wrap:wrap; justify-content:flex-end; }
.admin-pill {
  display:inline-flex;
  align-items:center;
  margin-left:6px;
  padding:2px 7px;
  border-radius:999px;
  font-size:10px;
  font-weight:800;
  vertical-align:middle;
}
.admin-pill.on { background:rgba(46,204,113,0.14); color:#27ae60; border:1px solid rgba(46,204,113,0.35); }
.admin-pill.off { background:rgba(231,76,60,0.10); color:var(--cross); border:1px solid rgba(231,76,60,0.28); }
.school-small-btn.danger { color: var(--cross); border-color: rgba(231,76,60,0.35); background: rgba(231,76,60,0.06); }
@media (max-width: 680px) {
  .admin-dashboard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-code-row { align-items:flex-start; flex-direction:column; }
  .admin-code-actions { width:100%; justify-content:flex-start; }
}


/* ========== AUTH CHOICE MODAL ========== */
.auth-choice-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(24, 34, 48, .38);
  backdrop-filter: blur(9px);
}
.auth-choice-backdrop.show {
  display: flex;
  animation: welcomeFadeIn .22s ease-out both;
}
.auth-choice-modal {
  position: relative;
  width: min(460px, 100%);
  max-height: calc(100vh - 36px);
  overflow-y: auto;
  background: rgba(255,255,255,.98);
  border: 1px solid rgba(221,231,240,.95);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 24px 70px rgba(24,34,48,.24);
  animation: welcomePopIn .34s cubic-bezier(.2,.9,.2,1.08) both;
}
.auth-choice-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text2);
  font-size: 20px;
  cursor: pointer;
}
.auth-choice-modal h2 {
  margin: 0 38px 8px 0;
  font-size: 22px;
  line-height: 1.35;
}
.auth-choice-lead {
  margin: 0 0 16px;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.7;
}
.auth-google-btn,
.auth-guest-btn,
.email-login-btn,
.email-signup-btn,
.password-reset-btn {
  width: 100%;
  min-height: 44px;
  border-radius: 14px;
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.auth-google-btn {
  border: none;
  color: #fff;
  background: #4285f4;
  box-shadow: 0 10px 22px rgba(66,133,244,.22);
}
.auth-google-btn:hover,
.auth-guest-btn:hover,
.email-login-btn:hover,
.email-signup-btn:hover,
.password-reset-btn:hover { transform: translateY(-1px); }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 12px;
  color: var(--text2);
  font-size: 12px;
  font-weight: 700;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.email-auth-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card2);
}
.email-auth-box input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  outline: none;
}
.email-auth-box input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,.18);
}
.email-auth-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.email-login-btn {
  border: none;
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
}
.email-signup-btn {
  border: 1px solid rgba(212,175,55,.45);
  color: var(--gold2);
  background: #fff;
}
.password-reset-btn {
  min-height: 36px;
  border: none;
  color: var(--text2);
  background: transparent;
  font-size: 12px;
}
.auth-guest-btn {
  margin-top: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
}
.auth-guest-btn:hover { border-color: var(--gold); background: rgba(212,175,55,.06); }
@media (max-width: 520px) {
  .auth-choice-backdrop { align-items: flex-end; padding: 12px; }
  .auth-choice-modal { padding: 18px; border-radius: 22px; max-height: calc(100vh - 24px); }
  .auth-choice-modal h2 { font-size: 19px; }
  .email-auth-actions { grid-template-columns: 1fr; }
}


/* Admin maintenance one-tap controls */
.admin-maintenance-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card2);
  animation: fadeInUp .25s ease-out both;
}
.admin-maintenance-panel.is-on {
  border-color: rgba(231,76,60,.35);
  background: rgba(231,76,60,.08);
}
.admin-maintenance-panel.is-off {
  border-color: rgba(46,204,113,.28);
  background: rgba(46,204,113,.07);
}
.admin-maintenance-title {
  font-weight: 800;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}
.admin-maintenance-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .admin-maintenance-panel {
    align-items: stretch;
    flex-direction: column;
  }
  .admin-maintenance-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

/* =========================================================
   ADMIN UI REDESIGN PATCH
   管理者ページをカード型・スマホ対応UIに変更
   ========================================================= */
.admin-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.admin-card-sub {
  margin-top: 4px;
  color: var(--text2);
  font-size: 12px;
  line-height: 1.7;
}
.admin-card-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(212,175,55,.12);
  border: 1px solid rgba(212,175,55,.34);
  color: var(--gold2);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}
.admin-dashboard-card {
  margin-top: 20px;
  padding: 0;
  border-top: none;
}
.admin-dashboard-body {
  display: grid;
  gap: 16px;
}
.admin-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(212,175,55,.28);
  background:
    radial-gradient(circle at top left, rgba(212,175,55,.18), transparent 34%),
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(247,250,253,.94));
  box-shadow: var(--shadow-sm);
  animation: fadeInUp .28s ease-out both;
}
.admin-hero-kicker {
  color: var(--gold2);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
  margin-bottom: 6px;
}
.admin-hero-title {
  color: var(--text);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  line-height: 1.2;
}
.admin-hero-sub {
  margin-top: 8px;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.7;
}
.admin-refresh-btn {
  border: 1px solid rgba(212,175,55,.35);
  background: #fff;
  color: var(--gold2);
  border-radius: 999px;
  padding: 10px 14px;
  font-family: 'Noto Serif JP', serif;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(36,52,71,.06);
  transition: transform .18s ease, box-shadow .18s ease;
}
.admin-refresh-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 18px rgba(36,52,71,.09); }
.admin-stat-grid-new {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.admin-stat {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 12px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  animation: fadeInUp .3s ease-out both;
}
.admin-stat::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.admin-stat-icon {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--card2);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  font-size: 17px;
}
.admin-stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  color: var(--text);
  font-weight: 800;
  line-height: 1;
}
.admin-stat-label {
  margin-top: 7px;
  font-size: 11px;
  color: var(--text2);
  font-weight: 800;
  line-height: 1.4;
}
.admin-panel-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 14px;
  align-items: start;
}
.admin-panel {
  background: rgba(255,255,255,.94);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  animation: fadeInUp .32s ease-out both;
}
.admin-panel-maintenance {
  grid-row: span 2;
}
.admin-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.admin-panel h3 {
  margin: 2px 0 0;
  color: var(--text);
  font-size: 17px;
  line-height: 1.35;
}
.admin-section-title {
  margin-top: 0;
  color: var(--gold2);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.admin-state-badge {
  min-width: 54px;
  padding: 7px 11px;
  border-radius: 999px;
  text-align: center;
  font-size: 12px;
  font-weight: 900;
}
.admin-state-badge.safe {
  background: rgba(46,204,113,.12);
  color: #27ae60;
  border: 1px solid rgba(46,204,113,.32);
}
.admin-state-badge.danger {
  background: rgba(231,76,60,.11);
  color: var(--cross);
  border: 1px solid rgba(231,76,60,.32);
}
.admin-settings-grid.clean {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
}
.admin-wide-btn {
  justify-content: center;
  width: 100%;
}
.admin-note,
.admin-empty {
  margin-top: 10px;
  padding: 12px;
  border-radius: 14px;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 12px;
  line-height: 1.7;
}
.admin-list-panel {
  padding: 18px;
}
.admin-list-row {
  border-radius: 16px;
  padding: 14px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.admin-list-row:hover {
  transform: translateY(-1px);
  border-color: rgba(212,175,55,.34);
  box-shadow: 0 8px 18px rgba(36,52,71,.06);
}
.admin-maintenance-panel {
  border-radius: 18px;
  padding: 16px;
}
.admin-maintenance-actions .btn {
  min-width: 104px;
  justify-content: center;
}
@media (max-width: 920px) {
  .admin-stat-grid-new { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .admin-panel-grid { grid-template-columns: 1fr; }
  .admin-panel-maintenance { grid-row: auto; }
}
@media (max-width: 640px) {
  .admin-hero {
    align-items: stretch;
    flex-direction: column;
    padding: 16px;
    border-radius: 18px;
  }
  .admin-refresh-btn { width: 100%; }
  .admin-stat-grid-new { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-stat { padding: 13px 12px; }
  .admin-stat-value { font-size: 27px; }
  .admin-panel { padding: 14px; border-radius: 18px; }
  .admin-panel-head { align-items: center; }
  .admin-code-row.admin-list-row { align-items: stretch; }
  .admin-code-actions { width: 100%; }
  .admin-code-actions .school-small-btn { flex: 1; }
}

/* =========================================================
   ADMIN USER MANAGEMENT 2026
   ========================================================= */
.admin-user-panel { border-top: 4px solid rgba(52,152,219,.35); }
.admin-user-toolbar {
  display: flex;
  gap: 10px;
  margin: 14px 0 16px;
  align-items: center;
}
.admin-user-toolbar .account-input { flex: 1; }
.admin-user-list { display: grid; gap: 12px; }
.admin-user-row {
  background: rgba(255,255,255,.96);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 6px 18px rgba(31,45,61,.05);
  animation: fadeInUp .28s ease both;
}
.admin-user-summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.admin-user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--card2);
  border: 1px solid var(--border);
  flex: 0 0 auto;
}
.admin-user-name {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
}
.admin-user-sub {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text2);
  line-height: 1.5;
}
.admin-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
}
.admin-user-edit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}
.admin-user-note-field { grid-column: span 4; }
.admin-user-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
  justify-content: flex-end;
}
.admin-user-actions .btn,
.admin-user-actions .school-small-btn { min-height: 36px; }

@media (max-width: 860px) {
  .admin-user-toolbar { flex-direction: column; align-items: stretch; }
  .admin-user-edit-grid { grid-template-columns: 1fr 1fr; }
  .admin-user-note-field { grid-column: span 2; }
  .admin-user-actions { justify-content: stretch; }
  .admin-user-actions .btn,
  .admin-user-actions .school-small-btn { flex: 1 1 100%; justify-content: center; }
}
@media (max-width: 560px) {
  .admin-user-row { padding: 13px; border-radius: 14px; }
  .admin-user-edit-grid { grid-template-columns: 1fr; }
  .admin-user-note-field { grid-column: span 1; }
  .admin-user-summary { gap: 10px; }
  .admin-user-avatar { width: 36px; height: 36px; border-radius: 12px; }
}

/* === Role pages / suspended account patch === */
.role-page-shell { min-height: 100vh; background: var(--bg); }
.role-page-content { padding-top: 24px; }
.role-access-card, .suspended-card {
  max-width: 720px; margin: 44px auto; background: var(--card); border: 1px solid var(--border);
  border-radius: 22px; padding: 34px 26px; text-align: center; box-shadow: var(--shadow-md, 0 12px 30px rgba(31,45,61,.10));
}
.role-access-icon, .suspended-icon { font-size: 48px; margin-bottom: 14px; }
.role-access-card h1, .suspended-card h1 { margin: 0 0 12px; font-size: clamp(22px, 4vw, 32px); color: var(--text); }
.role-access-card p, .suspended-card p { color: var(--text2); line-height: 1.9; margin: 0 auto 20px; max-width: 560px; }
.role-access-actions { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.suspended-overlay {
  position: fixed; inset: 0; z-index: 99999; display: none; align-items: center; justify-content: center;
  background: rgba(243,246,251,.96); padding: 20px;
}
.suspended-overlay.show { display: flex; }
.suspended-card { margin: 0; border-color: rgba(231,76,60,.35); }
.suspended-icon { color: var(--cross); }
.teacher-hero { border-color: rgba(52,152,219,.22); }
.teacher-ranking-list, .teacher-user-list { display: grid; gap: 8px; }
.teacher-row {
  display: grid; grid-template-columns: 64px minmax(0,1fr) auto auto; gap: 12px; align-items: center;
  padding: 12px 14px; border: 1px solid var(--border); background: #fff; border-radius: 12px; font-size: 13px;
}
.teacher-user-list .teacher-row { grid-template-columns: minmax(0,1fr) minmax(0,1.3fr) 88px 76px; }
.teacher-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 720px) {
  .role-page-content { padding: 14px; }
  .teacher-row, .teacher-user-list .teacher-row { grid-template-columns: 1fr; gap: 4px; }
  .role-access-card, .suspended-card { margin: 22px auto; padding: 26px 18px; }
}

/* =========================================================
   MOBILE BOTTOM ROLE NAV PATCH 2026-05-07
   - ハンバーガーメニューを廃止
   - スマホ下部バーに管理者/先生ボタンを権限に応じて表示
   ========================================================= */
.mobile-hamburger-btn,
.mobile-menu-drawer,
.mobile-menu-backdrop {
  display: none !important;
}

body.mobile-menu-open {
  overflow: auto !important;
}

@media (max-width: 700px) {
  body {
    padding-bottom: calc(96px + var(--safe-bottom, env(safe-area-inset-bottom, 0px))) !important;
  }

  .mobile-bottom-nav {
    display: flex !important;
    align-items: stretch;
    gap: 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 7px;
  }

  .mobile-bottom-nav::-webkit-scrollbar {
    display: none;
  }

  body.is-quiz-active .mobile-bottom-nav,
  .mobile-bottom-nav.hidden {
    display: none !important;
  }

  .mobile-bottom-nav button {
    flex: 1 0 64px;
    min-width: 64px;
    min-height: 50px;
    border-radius: 16px;
    transition: transform .16s ease, background .16s ease, color .16s ease, box-shadow .16s ease;
  }

  .mobile-bottom-nav button:active {
    transform: translateY(1px) scale(.97);
  }

  .mobile-bottom-nav .role-nav-btn {
    background: rgba(52,152,219,.10);
    color: var(--circle);
    border: 1px solid rgba(52,152,219,.18);
  }

  .mobile-bottom-nav .admin-nav-btn {
    background: rgba(201,162,39,.14);
    color: var(--gold2);
    border-color: rgba(201,162,39,.28);
  }

  .mobile-bottom-nav .teacher-nav-btn {
    background: rgba(46,204,113,.12);
    color: #27ae60;
    border-color: rgba(46,204,113,.24);
  }

  .mobile-bottom-nav button[hidden] {
    display: none !important;
  }

  .auth-fab {
    bottom: calc(88px + var(--safe-bottom, env(safe-area-inset-bottom, 0px))) !important;
  }

  .mobile-login-bar {
    display: none !important;
  }
}

/* Bottom nav consolidation: teacher/admin are inside Settings */
@media (max-width: 700px) {
  .mobile-bottom-nav {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    overflow-x: visible !important;
  }
  .mobile-bottom-nav button {
    min-width: 0 !important;
    flex: 1 1 auto !important;
  }
}

.role-access-settings-card {
  border-color: rgba(52,152,219,.22);
  background: linear-gradient(135deg, rgba(52,152,219,.06), rgba(212,175,55,.06));
}
.role-access-actions-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.role-access-action {
  justify-content: center;
  min-height: 54px;
  border-radius: 14px !important;
}
.role-access-action span {
  font-size: 20px;
}
.role-access-action.teacher {
  border-color: rgba(46,204,113,.28) !important;
  background: rgba(46,204,113,.10) !important;
  color: #27ae60 !important;
}
.role-access-action.admin {
  border-color: rgba(201,162,39,.30) !important;
  background: rgba(201,162,39,.12) !important;
  color: var(--gold2) !important;
}
@media (max-width: 520px) {
  .role-access-actions-row {
    grid-template-columns: 1fr;
  }
}


/* =========================================================
   WORD VOICE FEATURE
   ========================================================= */
.quiz-voice-btn {
  position: absolute;
  top: 14px;
  right: 62px;
  z-index: 11;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.92);
  color: var(--text);
  cursor: pointer;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(0,0,0,.05);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.quiz-voice-btn:hover { border-color: var(--circle); background: rgba(52,152,219,.08); transform: translateY(-1px); }
.quiz-voice-btn:active { transform: scale(.94); }
.word-voice-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  font-size: 12px;
  vertical-align: middle;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.word-voice-btn:hover { border-color: var(--circle); background: rgba(52,152,219,.08); transform: scale(1.08); }
.voice-settings-card { animation: fadeInUp .28s ease-out both; }
.voice-setting-row { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.voice-setting-title { font-weight:900; color:var(--text); margin-bottom:4px; }
.voice-switch { position:relative; display:inline-flex; width:54px; height:32px; flex-shrink:0; }
.voice-switch input { opacity:0; width:0; height:0; }
.voice-switch span { position:absolute; inset:0; cursor:pointer; border-radius:999px; background:var(--card2); border:1px solid var(--border); transition:.2s ease; }
.voice-switch span::before { content:''; position:absolute; width:24px; height:24px; left:3px; top:3px; border-radius:50%; background:#fff; box-shadow:0 2px 7px rgba(0,0,0,.16); transition:.2s ease; }
.voice-switch input:checked + span { background:rgba(52,152,219,.28); border-color:var(--circle); }
.voice-switch input:checked + span::before { transform:translateX(22px); }
.voice-switch input:disabled + span { opacity:.5; cursor:not-allowed; }
.voice-test-btn { margin-top:12px; }
@media (max-width: 600px) {
  .quiz-voice-btn { top: 12px; right: 56px; width: 36px; height: 36px; }
  .word-voice-btn { width: 22px; height: 22px; margin-right: 4px; font-size: 11px; }
}

/* =========================================================
   QUIZ SCREEN UI OPTIMIZATION 2026-05-09
   PC: readable centered learning card
   Mobile: one-hand friendly compact layout
   ========================================================= */
#screen-quiz {
  background:
    radial-gradient(circle at 18% 10%, rgba(212,175,55,.12), transparent 28%),
    radial-gradient(circle at 92% 18%, rgba(52,152,219,.10), transparent 26%),
    var(--bg);
}

.quiz-ui-v2-header,
#screen-quiz .quiz-header {
  position: sticky;
  top: 0;
  z-index: 250;
  min-height: 64px;
  padding: 10px clamp(14px, 3vw, 28px);
  gap: 12px;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 6px 20px rgba(31,45,61,.06);
}

.quiz-header-left {
  flex: 1 1 auto;
  min-width: 0;
  flex-wrap: wrap;
}

.quiz-header-right {
  flex: 0 0 auto;
  min-width: 74px;
}

.quiz-progress-label {
  font-size: 10px;
  color: var(--text2);
  font-weight: 800;
  letter-spacing: .08em;
}

#screen-quiz .quiz-progress-text {
  font-family: 'Playfair Display', 'Noto Serif JP', serif;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.1;
  color: var(--text);
}

#screen-quiz .quiz-progress-bar {
  height: 7px;
  background: rgba(221,231,240,.9);
  box-shadow: inset 0 1px 2px rgba(31,45,61,.06);
}

#screen-quiz .quiz-progress-fill {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold2));
}

#screen-quiz .quiz-content {
  min-height: calc(100dvh - 76px);
  padding: clamp(18px, 4vw, 42px);
  align-items: center;
}

#screen-quiz .question-card {
  width: min(100%, 860px);
  max-width: 860px;
  padding: clamp(24px, 4vw, 44px);
  border-radius: 28px;
  border: 1px solid rgba(221,231,240,.92);
  box-shadow: 0 22px 60px rgba(31,45,61,.12);
  overflow: hidden;
}

#screen-quiz .question-card::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.55), transparent 36%);
  z-index: 0;
}

#screen-quiz .question-card > * {
  position: relative;
  z-index: 1;
}

#screen-quiz .question-prompt {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin: 0 0 18px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(52,152,219,.08);
  border: 1px solid rgba(52,152,219,.16);
  color: var(--circle);
  font-size: 12px;
  line-height: 1.45;
}

#screen-quiz .question-word {
  margin: 4px 0 10px;
  font-size: clamp(44px, 7vw, 72px);
  letter-spacing: .01em;
  line-height: 1.04;
  text-align: center;
}

#screen-quiz .question-meaning {
  margin: 6px auto 12px;
  max-width: 760px;
  font-size: clamp(26px, 4.8vw, 46px);
  line-height: 1.34;
  text-align: center;
}

#screen-quiz .question-sub {
  margin-bottom: 24px;
  text-align: center;
}

#screen-quiz #choices-container {
  margin-top: 22px;
}

#screen-quiz .choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

#screen-quiz .choice-btn {
  min-height: 70px;
  padding: 18px 20px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(31,45,61,.055);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.55;
  border-color: rgba(221,231,240,.95);
}

#screen-quiz .choice-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(31,45,61,.09);
}

#screen-quiz .choice-btn:active:not(:disabled) {
  transform: translateY(0) scale(.985);
}

#screen-quiz .choice-btn.correct,
#screen-quiz .choice-btn.wrong,
#screen-quiz .choice-btn.selected {
  box-shadow: none;
}

#screen-quiz .answer-input {
  min-height: 64px;
  margin: 6px 0 14px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff;
  font-size: clamp(20px, 3vw, 28px);
  text-align: center;
  box-shadow: inset 0 2px 5px rgba(31,45,61,.04), 0 8px 18px rgba(31,45,61,.04);
}

#screen-quiz .confirm-btn,
#screen-quiz .next-btn {
  min-height: 56px;
  border-radius: 18px;
  font-size: 16px;
  box-shadow: 0 10px 22px rgba(169,129,24,.18);
}

#screen-quiz .answer-reveal,
#screen-quiz .answer-user,
#screen-quiz .answer-auto-judge {
  border-radius: 18px;
}

#screen-quiz .judge-3btns {
  gap: 12px;
}

#screen-quiz .judge-3btns button {
  min-height: 54px;
  border-radius: 16px;
}

#screen-quiz .quiz-bm-btn,
#screen-quiz .quiz-voice-btn {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 8px 18px rgba(31,45,61,.08);
}

#screen-quiz .quiz-bm-btn {
  top: 16px;
  right: 16px;
}

#screen-quiz .quiz-voice-btn {
  top: 16px;
  right: 70px;
}

@media (min-width: 901px) {
  #screen-quiz .question-card {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
    column-gap: 34px;
    align-items: center;
  }
  #screen-quiz .question-prompt,
  #screen-quiz #q-word,
  #screen-quiz #q-meaning,
  #screen-quiz #q-sub {
    grid-column: 1;
  }
  #screen-quiz #choices-container,
  #screen-quiz #answer-reveal-area,
  #screen-quiz #next-btn {
    grid-column: 2;
  }
  #screen-quiz .question-prompt { justify-self: start; }
  #screen-quiz .question-word,
  #screen-quiz .question-meaning,
  #screen-quiz .question-sub { text-align: left; }
  #screen-quiz #choices-container { margin-top: 0; }
  #screen-quiz .choices { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  #screen-quiz {
    padding-bottom: calc(74px + env(safe-area-inset-bottom, 0px));
  }
  #screen-quiz .quiz-header {
    min-height: 56px;
    padding: 8px 10px !important;
    gap: 8px;
  }
  #screen-quiz .quiz-header-left {
    gap: 6px !important;
  }
  #screen-quiz .back-btn {
    min-height: 36px;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 12px;
  }
  #screen-quiz .quiz-type-tag,
  #screen-quiz .quiz-mode-tag {
    max-width: 46vw;
    padding: 4px 8px;
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #screen-quiz .quiz-header-right {
    min-width: 58px;
  }
  #screen-quiz .quiz-progress-label {
    display: none;
  }
  #screen-quiz .quiz-progress-text {
    font-size: 18px;
  }
  #screen-quiz .quiz-progress-bar {
    height: 6px;
  }
  #screen-quiz .quiz-content {
    min-height: calc(100dvh - 64px - 80px);
    padding: 12px 12px 18px;
    align-items: stretch;
  }
  #screen-quiz .question-card {
    width: 100%;
    min-height: min(620px, calc(100dvh - 148px));
    padding: 58px 16px 18px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 12px 30px rgba(31,45,61,.10);
  }
  #screen-quiz .question-prompt {
    display: flex;
    align-self: flex-start;
    max-width: calc(100% - 96px);
    margin-bottom: 14px;
    padding: 6px 10px;
    font-size: 11px;
  }
  #screen-quiz .question-word {
    font-size: clamp(42px, 13vw, 58px);
    text-align: center;
  }
  #screen-quiz .question-meaning {
    font-size: clamp(24px, 8vw, 34px);
    text-align: center;
  }
  #screen-quiz .question-sub {
    margin-bottom: 14px;
  }
  #screen-quiz #choices-container {
    margin-top: 16px;
  }
  #screen-quiz .choices {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  #screen-quiz .choice-btn {
    min-height: 58px;
    padding: 14px 15px;
    border-radius: 16px;
    font-size: 15px;
  }
  #screen-quiz .answer-input {
    min-height: 58px;
    font-size: 22px;
    border-radius: 16px;
  }
  #screen-quiz .confirm-btn,
  #screen-quiz .next-btn {
    min-height: 54px;
    border-radius: 16px;
    margin-top: 12px;
  }
  #screen-quiz .judge-3btns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }
  #screen-quiz .judge-3btns button {
    min-height: 48px;
  }
  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn {
    top: 12px;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    font-size: 17px;
  }
  #screen-quiz .quiz-bm-btn { right: 12px; }
  #screen-quiz .quiz-voice-btn { right: 58px; }
}

@media (max-width: 380px) {
  #screen-quiz .quiz-mode-tag { display: none; }
  #screen-quiz .question-card { padding-left: 12px; padding-right: 12px; }
  #screen-quiz .choice-btn { font-size: 14px; }
}

/* =========================================================
   QUIZ SCREEN LAYOUT MATCH 2026-05-09
   User requested: large clean card, word on left, choices on right,
   voice button centered near top, bookmark on top-left.
   ========================================================= */
#screen-quiz {
  background:
    radial-gradient(circle at 50% 8%, rgba(212,175,55,.10), transparent 22%),
    linear-gradient(180deg, #f7fbff 0%, #eef5fb 100%);
}

#screen-quiz .quiz-ui-v2-header,
#screen-quiz .quiz-header {
  min-height: 66px;
  padding: 10px clamp(18px, 2.8vw, 34px) !important;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(214,226,238,.86);
  box-shadow: 0 7px 22px rgba(43,60,78,.08);
}

#screen-quiz .quiz-content {
  min-height: calc(100dvh - 74px);
  padding: clamp(28px, 5vw, 60px) clamp(16px, 4vw, 36px);
  display: flex;
  align-items: center;
  justify-content: center;
}

#screen-quiz .question-card {
  position: relative;
  width: min(100%, 980px);
  max-width: 980px;
  min-height: min(76dvh, 720px);
  padding: clamp(72px, 8vw, 96px) clamp(34px, 5vw, 54px) clamp(36px, 5vw, 52px);
  border-radius: 28px;
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(217,229,240,.95);
  box-shadow: 0 28px 70px rgba(33,48,65,.13);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(270px, .88fr) minmax(360px, 1.04fr);
  grid-template-areas:
    "prompt choices"
    "word choices"
    "sub choices"
    "reveal reveal"
    "next next";
  column-gap: clamp(34px, 6vw, 76px);
  row-gap: 10px;
  align-items: center;
}

#screen-quiz .question-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 30% 14%, rgba(212,175,55,.07), transparent 20%),
    radial-gradient(circle at 80% 72%, rgba(52,152,219,.045), transparent 28%),
    linear-gradient(135deg, rgba(255,255,255,.7), rgba(255,255,255,0));
  z-index: 0;
}

#screen-quiz .question-card::after { display: none !important; }

#screen-quiz .question-card > * {
  position: relative;
  z-index: 1;
}

#screen-quiz .quiz-bm-btn,
#screen-quiz .quiz-voice-btn {
  position: absolute !important;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(217,229,240,.95);
  box-shadow: 0 10px 24px rgba(33,48,65,.10);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

#screen-quiz .quiz-bm-btn:hover,
#screen-quiz .quiz-voice-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(33,48,65,.13);
}

#screen-quiz .quiz-bm-btn {
  top: clamp(34px, 5vw, 54px) !important;
  left: clamp(30px, 4vw, 44px) !important;
  right: auto !important;
}

#screen-quiz .quiz-voice-btn {
  top: clamp(34px, 5vw, 54px) !important;
  left: 50% !important;
  right: auto !important;
  transform: translateX(-50%);
  color: var(--circle);
}

#screen-quiz .quiz-voice-btn:hover {
  transform: translateX(-50%) translateY(-2px);
}

#screen-quiz .question-prompt {
  grid-area: prompt;
  justify-self: start;
  align-self: end;
  margin: 0 0 12px !important;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(52,152,219,.10);
  border: 1px solid rgba(52,152,219,.20);
  color: #2f8edb;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 700;
  white-space: normal;
}

#screen-quiz .question-word {
  grid-area: word;
  justify-self: start;
  align-self: start;
  width: 100%;
  margin: 0 !important;
  text-align: left !important;
  font-size: clamp(56px, 7.4vw, 82px) !important;
  line-height: .98;
  letter-spacing: .01em;
  color: #213349;
  text-shadow: 0 1px 0 rgba(255,255,255,.85);
}

#screen-quiz .question-meaning {
  grid-area: word;
  justify-self: start;
  align-self: start;
  width: 100%;
  margin: 0 !important;
  text-align: left !important;
  font-size: clamp(38px, 5vw, 58px) !important;
  line-height: 1.2;
  color: #213349;
}

#screen-quiz .question-sub {
  grid-area: sub;
  justify-self: start;
  text-align: left !important;
  margin: 8px 0 0 !important;
  color: var(--text2);
}

#screen-quiz #choices-container {
  grid-area: choices;
  width: 100%;
  margin: 0 !important;
  align-self: center;
}

#screen-quiz .choices {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 14px !important;
  width: 100%;
}

#screen-quiz .choice-btn {
  min-height: 70px;
  padding: 18px 24px;
  border-radius: 18px;
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(215,227,239,.98);
  box-shadow: 0 10px 22px rgba(33,48,65,.075);
  color: #243447;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.55;
  font-weight: 700;
  text-align: left;
}

#screen-quiz .choice-btn:hover:not(:disabled) {
  border-color: rgba(52,152,219,.45);
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(33,48,65,.11);
}

#screen-quiz .choice-btn.correct {
  border-color: var(--dcircle);
  background: rgba(46,204,113,.12);
  color: #237a4a;
}

#screen-quiz .choice-btn.wrong {
  border-color: var(--cross);
  background: rgba(231,76,60,.10);
  color: var(--cross);
}

#screen-quiz #answer-reveal-area {
  grid-area: reveal;
  margin-top: 18px;
}

#screen-quiz #next-btn {
  grid-area: next;
  justify-self: end;
  width: min(100%, 280px);
}

#screen-quiz .answer-input {
  grid-area: choices;
  align-self: center;
}

#screen-quiz .confirm-btn {
  grid-column: 2;
  align-self: start;
}

@media (max-width: 900px) {
  #screen-quiz .question-card {
    width: min(100%, 680px);
    min-height: auto;
    padding: 82px 22px 24px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    row-gap: 0;
  }

  #screen-quiz .question-prompt {
    align-self: flex-start;
    max-width: 100%;
    margin-bottom: 14px !important;
    font-size: 12px;
  }

  #screen-quiz .question-word,
  #screen-quiz .question-meaning {
    text-align: center !important;
    align-self: center;
  }

  #screen-quiz .question-word {
    font-size: clamp(48px, 14vw, 66px) !important;
    margin-bottom: 18px !important;
  }

  #screen-quiz .question-meaning {
    font-size: clamp(30px, 9vw, 42px) !important;
    margin-bottom: 18px !important;
  }

  #screen-quiz #choices-container {
    margin-top: 8px !important;
  }

  #screen-quiz .choice-btn {
    min-height: 58px;
    padding: 14px 16px;
    border-radius: 16px;
    font-size: 15px;
  }

  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn {
    width: 44px;
    height: 44px;
    border-radius: 15px;
  }

  #screen-quiz .quiz-bm-btn {
    top: 18px !important;
    left: 18px !important;
  }

  #screen-quiz .quiz-voice-btn {
    top: 18px !important;
  }

  #screen-quiz #next-btn {
    width: 100%;
  }
}

@media (max-width: 600px) {
  #screen-quiz .quiz-content {
    min-height: calc(100dvh - 64px);
    padding: 14px 12px 18px;
  }

  #screen-quiz .question-card {
    border-radius: 24px;
    padding: 76px 14px 18px;
    box-shadow: 0 14px 34px rgba(33,48,65,.11);
  }

  #screen-quiz .quiz-header {
    min-height: 58px;
  }

  #screen-quiz .quiz-header-left {
    gap: 6px !important;
  }

  #screen-quiz .quiz-type-tag,
  #screen-quiz .quiz-mode-tag {
    max-width: 30vw;
  }

  #screen-quiz .question-prompt {
    padding: 6px 10px;
    font-size: 11px;
  }

  #screen-quiz .choices {
    gap: 10px !important;
  }

  #screen-quiz .choice-btn {
    min-height: 54px;
    padding: 13px 14px;
  }
}

/* =========================================================
   QUIZ PC COMPACT PATCH 2026-05-09 VERIFIED
   目的: PC表示でスクロールせずに単語・選択肢・次の問題ボタンを見られるようにする
   - スマホUIは既存のまま維持
   - PCのみカード高さ、余白、選択肢ボタンを圧縮
   ========================================================= */
@media (min-width: 901px) {
  #screen-quiz.screen.active {
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
  }

  #screen-quiz .quiz-ui-v2-header,
  #screen-quiz .quiz-header {
    min-height: 54px !important;
    padding: 8px 22px !important;
  }

  #screen-quiz .back-btn {
    padding: 8px 14px !important;
    min-height: 36px !important;
    border-radius: 12px !important;
    font-size: 13px !important;
  }

  #screen-quiz .quiz-type-tag,
  #screen-quiz .quiz-mode-tag {
    padding: 5px 10px !important;
    font-size: 12px !important;
  }

  #screen-quiz .quiz-progress-label {
    font-size: 10px !important;
    line-height: 1.1 !important;
  }

  #screen-quiz .quiz-progress-text {
    font-size: 24px !important;
    line-height: 1 !important;
  }

  #screen-quiz .quiz-progress-bar {
    height: 4px !important;
  }

  #screen-quiz .quiz-content {
    height: calc(100vh - 58px) !important;
    min-height: 0 !important;
    padding: 18px 20px !important;
    align-items: center !important;
    overflow: hidden !important;
  }

  #screen-quiz .question-card {
    width: min(100%, 980px) !important;
    min-height: auto !important;
    max-height: calc(100vh - 96px) !important;
    padding: 58px 42px 20px !important;
    border-radius: 24px !important;
    display: grid !important;
    grid-template-columns: minmax(260px, .85fr) minmax(360px, 1fr) !important;
    grid-template-areas:
      "prompt choices"
      "word choices"
      "sub choices"
      "reveal reveal"
      "next next" !important;
    column-gap: 38px !important;
    row-gap: 8px !important;
    align-items: center !important;
    overflow: hidden !important;
  }

  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn {
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    min-height: 42px !important;
    border-radius: 14px !important;
    font-size: 17px !important;
  }

  #screen-quiz .quiz-bm-btn {
    top: 22px !important;
    left: 28px !important;
  }

  #screen-quiz .quiz-voice-btn {
    top: 22px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
  }

  #screen-quiz .question-prompt {
    grid-area: prompt !important;
    justify-self: start !important;
    margin: 0 0 4px !important;
    padding: 6px 12px !important;
    font-size: 12px !important;
    line-height: 1.25 !important;
    max-width: 100% !important;
  }

  #screen-quiz .question-word {
    grid-area: word !important;
    font-size: clamp(54px, 5.8vw, 82px) !important;
    line-height: .98 !important;
    margin: 0 !important;
    text-align: left !important;
    align-self: center !important;
  }

  #screen-quiz .question-meaning {
    grid-area: word !important;
    font-size: clamp(34px, 4.4vw, 58px) !important;
    line-height: 1.08 !important;
    margin: 0 !important;
    text-align: left !important;
  }

  #screen-quiz .question-sub {
    grid-area: sub !important;
    margin: 0 !important;
    font-size: 11px !important;
    min-height: 0 !important;
  }

  #screen-quiz #choices-container {
    grid-area: choices !important;
    align-self: center !important;
    margin: 0 !important;
    width: 100% !important;
    max-height: 100% !important;
    overflow: visible !important;
  }

  #screen-quiz .choices {
    gap: 8px !important;
  }

  #screen-quiz .choice-btn {
    min-height: 44px !important;
    padding: 9px 18px !important;
    border-radius: 14px !important;
    font-size: 15px !important;
    line-height: 1.35 !important;
    box-shadow: 0 6px 14px rgba(33,48,65,.055) !important;
  }

  #screen-quiz .choice-btn:hover:not(:disabled) {
    transform: translateY(-1px) !important;
    box-shadow: 0 9px 18px rgba(33,48,65,.085) !important;
  }

  #screen-quiz #answer-reveal-area {
    grid-area: reveal !important;
    margin-top: 4px !important;
  }

  #screen-quiz .answer-reveal,
  #screen-quiz .answer-user,
  #screen-quiz .answer-auto-judge {
    padding: 10px 12px !important;
    margin-bottom: 8px !important;
    border-radius: 12px !important;
  }

  #screen-quiz .judge-3btns button {
    padding: 9px 6px !important;
    font-size: 13px !important;
  }

  #screen-quiz #next-btn {
    grid-area: next !important;
    justify-self: end !important;
    width: 220px !important;
    padding: 11px 16px !important;
    margin-top: 6px !important;
    border-radius: 14px !important;
    font-size: 14px !important;
  }

  #screen-quiz .answer-input {
    grid-area: choices !important;
    min-height: 48px !important;
    padding: 12px 14px !important;
    font-size: 16px !important;
  }

  #screen-quiz .confirm-btn {
    grid-column: 2 !important;
    padding: 11px 14px !important;
    margin-top: 8px !important;
  }
}

@media (min-width: 901px) and (max-height: 760px) {
  #screen-quiz .quiz-ui-v2-header,
  #screen-quiz .quiz-header {
    min-height: 48px !important;
    padding-top: 6px !important;
    padding-bottom: 6px !important;
  }

  #screen-quiz .quiz-content {
    height: calc(100vh - 52px) !important;
    padding: 12px 18px !important;
  }

  #screen-quiz .question-card {
    max-height: calc(100vh - 76px) !important;
    padding: 50px 36px 16px !important;
    column-gap: 32px !important;
  }

  #screen-quiz .question-word {
    font-size: clamp(46px, 5vw, 70px) !important;
  }

  #screen-quiz .choice-btn {
    min-height: 38px !important;
    padding: 7px 16px !important;
    font-size: 14px !important;
    border-radius: 12px !important;
  }

  #screen-quiz .choices {
    gap: 7px !important;
  }

  #screen-quiz #next-btn {
    padding: 9px 14px !important;
  }
}


/* =========================================================
   DESIGN-FOCUSED QUIZ UI + OFFLINE SUPPORT PATCH 2026-05-09
   目的: 高級感を維持しつつ、PCはスクロールなしで回答・次へ操作可能にする
   ========================================================= */
body.is-quiz-active {
  background: linear-gradient(135deg, #f6f8fc 0%, #eef4fb 100%);
}

#screen-quiz.screen.active {
  min-height: 100dvh;
  background:
    radial-gradient(circle at 12% 18%, rgba(212,175,55,.14), transparent 28%),
    radial-gradient(circle at 84% 78%, rgba(52,152,219,.11), transparent 28%),
    linear-gradient(135deg, #f7f9fc, #eef4fb);
}

#screen-quiz .quiz-ui-v2-header,
#screen-quiz .quiz-header {
  border-bottom: 1px solid rgba(221,231,240,.9) !important;
  background: rgba(255,255,255,.82) !important;
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(33,48,65,.055);
}

#screen-quiz .quiz-progress-bar {
  background: rgba(210,222,235,.7) !important;
}

#screen-quiz .quiz-progress-fill {
  background: linear-gradient(90deg, var(--gold), #e8c75c, #6bb8f1) !important;
  box-shadow: 0 0 18px rgba(212,175,55,.28);
}

#screen-quiz .question-card {
  background:
    radial-gradient(circle at 10% 10%, rgba(212,175,55,.10), transparent 28%),
    radial-gradient(circle at 92% 84%, rgba(52,152,219,.09), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(250,252,255,.96)) !important;
  border: 1px solid rgba(218,229,240,.95) !important;
  box-shadow: 0 26px 70px rgba(33,48,65,.13), inset 0 1px 0 rgba(255,255,255,.9) !important;
}

#screen-quiz .question-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(90deg, rgba(212,175,55,.20), transparent 34%, rgba(52,152,219,.15)),
    linear-gradient(180deg, rgba(255,255,255,.50), transparent 24%);
  opacity: .48;
  z-index: 0;
}

#screen-quiz .question-card > * { position: relative; z-index: 1; }

#screen-quiz .question-prompt {
  background: rgba(52,152,219,.09) !important;
  border: 1px solid rgba(52,152,219,.18) !important;
  color: #2f7fbf !important;
}

#screen-quiz .question-word,
#screen-quiz .question-meaning {
  color: #1f3146 !important;
  letter-spacing: .01em;
  text-shadow: 0 1px 0 rgba(255,255,255,.9);
}

#screen-quiz .question-sub {
  color: #7a899a !important;
  font-weight: 700;
}

#screen-quiz .choice-btn {
  background: rgba(255,255,255,.94) !important;
  border: 1px solid rgba(215,227,239,.96) !important;
  box-shadow: 0 10px 24px rgba(33,48,65,.07), inset 0 1px 0 rgba(255,255,255,.9) !important;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}

#screen-quiz .choice-btn:hover:not(:disabled) {
  background: #fff !important;
  border-color: rgba(212,175,55,.55) !important;
  box-shadow: 0 16px 32px rgba(33,48,65,.10) !important;
}

#screen-quiz .choice-btn.correct {
  border-color: rgba(46,204,113,.60) !important;
  background: linear-gradient(180deg, rgba(46,204,113,.16), rgba(255,255,255,.95)) !important;
  color: #237a4a !important;
}

#screen-quiz .choice-btn.wrong {
  border-color: rgba(231,76,60,.58) !important;
  background: linear-gradient(180deg, rgba(231,76,60,.13), rgba(255,255,255,.95)) !important;
  color: var(--cross) !important;
}

#screen-quiz #next-btn {
  background: linear-gradient(135deg, var(--gold), #e2bf52) !important;
  color: #fff !important;
  border: none !important;
  box-shadow: 0 14px 28px rgba(169,129,24,.20) !important;
}

#screen-quiz #next-btn.correct-next {
  background: linear-gradient(135deg, #2ecc71, #39d98a) !important;
}

#screen-quiz #next-btn.wrong-next {
  background: linear-gradient(135deg, #e74c3c, #f06b5d) !important;
}

@media (min-width: 901px) {
  #screen-quiz.screen.active {
    height: 100dvh;
    overflow: hidden;
  }

  #screen-quiz .quiz-ui-v2-header,
  #screen-quiz .quiz-header {
    min-height: 58px !important;
    padding: 8px 24px !important;
  }

  #screen-quiz .quiz-content {
    height: calc(100dvh - 62px) !important;
    min-height: 0 !important;
    padding: 18px 24px !important;
    align-items: center !important;
    overflow: hidden !important;
  }

  #screen-quiz .question-card {
    width: min(100%, 1120px) !important;
    height: min(640px, calc(100dvh - 96px)) !important;
    max-height: calc(100dvh - 96px) !important;
    min-height: 500px !important;
    padding: clamp(58px, 6vh, 76px) clamp(38px, 4.5vw, 64px) clamp(24px, 3vh, 34px) !important;
    border-radius: 32px !important;
    display: grid !important;
    grid-template-columns: minmax(310px, .92fr) minmax(420px, 1fr) !important;
    grid-template-rows: auto minmax(0, 1fr) auto auto !important;
    grid-template-areas:
      "prompt choices"
      "word choices"
      "sub choices"
      "reveal next" !important;
    column-gap: clamp(40px, 5vw, 72px) !important;
    row-gap: 12px !important;
    align-items: center !important;
    overflow: hidden !important;
  }

  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn {
    width: 48px !important;
    height: 48px !important;
    border-radius: 16px !important;
    font-size: 18px !important;
    background: rgba(255,255,255,.92) !important;
    border: 1px solid rgba(217,229,240,.95) !important;
    box-shadow: 0 12px 24px rgba(33,48,65,.09) !important;
  }

  #screen-quiz .quiz-bm-btn { top: 24px !important; left: 30px !important; }
  #screen-quiz .quiz-voice-btn { top: 24px !important; left: 50% !important; transform: translateX(-50%) !important; }
  #screen-quiz .quiz-voice-btn:hover { transform: translateX(-50%) translateY(-2px) !important; }

  #screen-quiz .question-prompt {
    grid-area: prompt !important;
    justify-self: start !important;
    align-self: end !important;
    margin: 0 0 2px !important;
    padding: 7px 14px !important;
    border-radius: 999px !important;
    font-size: 12px !important;
    line-height: 1.25 !important;
    max-width: 100% !important;
  }

  #screen-quiz .question-word {
    grid-area: word !important;
    align-self: center !important;
    justify-self: stretch !important;
    margin: 0 !important;
    text-align: left !important;
    font-size: clamp(62px, 6.4vw, 96px) !important;
    line-height: .98 !important;
  }

  #screen-quiz .question-meaning {
    grid-area: word !important;
    align-self: center !important;
    justify-self: stretch !important;
    margin: 0 !important;
    text-align: left !important;
    font-size: clamp(38px, 4.7vw, 64px) !important;
    line-height: 1.12 !important;
  }

  #screen-quiz .question-sub {
    grid-area: sub !important;
    align-self: start !important;
    margin: 0 !important;
    font-size: 12px !important;
  }

  #screen-quiz #choices-container {
    grid-area: choices !important;
    align-self: center !important;
    margin: 0 !important;
    width: 100% !important;
  }

  #screen-quiz .choices {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  #screen-quiz .choice-btn {
    min-height: 54px !important;
    padding: 13px 20px !important;
    border-radius: 18px !important;
    font-size: 15.5px !important;
    line-height: 1.38 !important;
  }

  #screen-quiz .choice-btn:hover:not(:disabled) { transform: translateY(-2px) !important; }

  #screen-quiz #answer-reveal-area {
    grid-area: reveal !important;
    align-self: end !important;
    margin: 0 !important;
    max-width: 520px !important;
  }

  #screen-quiz .answer-reveal,
  #screen-quiz .answer-user,
  #screen-quiz .answer-auto-judge {
    padding: 10px 12px !important;
    margin-bottom: 8px !important;
    border-radius: 14px !important;
  }

  #screen-quiz #next-btn {
    grid-area: next !important;
    justify-self: end !important;
    align-self: end !important;
    width: min(100%, 240px) !important;
    min-height: 46px !important;
    padding: 12px 18px !important;
    margin: 0 !important;
    border-radius: 16px !important;
    font-size: 14px !important;
  }

  #screen-quiz .answer-input {
    grid-area: choices !important;
    align-self: center !important;
    min-height: 54px !important;
    padding: 14px 16px !important;
    font-size: 17px !important;
  }

  #screen-quiz .confirm-btn {
    grid-column: 2 !important;
    justify-self: end !important;
    width: min(100%, 240px) !important;
    padding: 12px 18px !important;
    border-radius: 16px !important;
  }
}

@media (min-width: 901px) and (max-height: 740px) {
  #screen-quiz .quiz-ui-v2-header,
  #screen-quiz .quiz-header { min-height: 50px !important; padding: 6px 22px !important; }
  #screen-quiz .quiz-content { height: calc(100dvh - 54px) !important; padding: 12px 20px !important; }
  #screen-quiz .question-card {
    height: calc(100dvh - 78px) !important;
    min-height: 0 !important;
    padding: 50px 40px 18px !important;
    border-radius: 28px !important;
    row-gap: 8px !important;
  }
  #screen-quiz .question-word { font-size: clamp(52px, 5.6vw, 76px) !important; }
  #screen-quiz .question-meaning { font-size: clamp(32px, 4.2vw, 52px) !important; }
  #screen-quiz .choice-btn { min-height: 44px !important; padding: 9px 18px !important; border-radius: 15px !important; font-size: 14px !important; }
  #screen-quiz .choices { gap: 8px !important; }
  #screen-quiz #next-btn { min-height: 40px !important; padding: 9px 16px !important; }
  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn { width: 40px !important; height: 40px !important; top: 18px !important; }
}

@media (max-width: 900px) {
  #screen-quiz .quiz-content {
    padding: 14px 12px 18px !important;
    align-items: flex-start !important;
  }
  #screen-quiz .question-card {
    width: min(100%, 680px) !important;
    min-height: auto !important;
    padding: 76px 16px 18px !important;
    border-radius: 26px !important;
  }
  #screen-quiz .choice-btn {
    min-height: 56px !important;
    border-radius: 16px !important;
  }
}

.offline-toast {
  position: fixed;
  left: 50%;
  bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(18px);
  z-index: 2500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(36,52,71,.94);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(0,0,0,.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
.offline-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.offline-toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f1c40f;
  box-shadow: 0 0 0 4px rgba(241,196,15,.18);
}
@media (max-width: 600px) {
  .offline-toast { bottom: calc(78px + env(safe-area-inset-bottom)); max-width: calc(100vw - 28px); }
}

/* =========================================================
   QUIZ RESULT UX FIX 2026-05-09
   - Prevent "Next" button from overlapping choices
   - Make correct/wrong feedback animate across the whole quiz screen
   ========================================================= */
#screen-quiz .question-card {
  overflow: visible !important;
}

#screen-quiz #choices-container,
#screen-quiz .choices {
  position: relative;
  z-index: 2;
}

#screen-quiz #next-btn {
  position: relative !important;
  z-index: 4 !important;
  clear: both;
}

#screen-quiz .result-overlay {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100dvh !important;
  z-index: 9999 !important;
  border-radius: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: clamp(96px, 18vw, 220px) !important;
  font-family: 'Playfair Display', 'Noto Serif JP', serif !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transform: scale(.72) !important;
  backdrop-filter: blur(1.5px);
}

#screen-quiz .result-overlay.correct-flash {
  background: radial-gradient(circle at center, rgba(46,204,113,.28), rgba(46,204,113,.12) 34%, rgba(255,255,255,.02) 70%) !important;
  color: #22b864 !important;
  text-shadow: 0 18px 44px rgba(46,204,113,.34) !important;
}

#screen-quiz .result-overlay.wrong-flash {
  background: radial-gradient(circle at center, rgba(231,76,60,.25), rgba(231,76,60,.11) 34%, rgba(255,255,255,.02) 70%) !important;
  color: #e74c3c !important;
  text-shadow: 0 18px 44px rgba(231,76,60,.32) !important;
}

#screen-quiz .result-overlay.show {
  opacity: 1 !important;
  animation: quizFullScreenJudge 680ms cubic-bezier(.18,.9,.25,1) both !important;
}

@keyframes quizFullScreenJudge {
  0% { opacity: 0; transform: scale(.58); }
  24% { opacity: 1; transform: scale(1.08); }
  54% { opacity: 1; transform: scale(.98); }
  100% { opacity: 0; transform: scale(1.14); }
}

@media (min-width: 901px) {
  #screen-quiz .question-card {
    grid-template-areas:
      "prompt choices"
      "word choices"
      "sub choices"
      "reveal reveal"
      "next next" !important;
    grid-template-rows: auto minmax(120px, 1fr) auto auto auto !important;
    padding-bottom: 30px !important;
    overflow: visible !important;
  }

  #screen-quiz #choices-container {
    align-self: center !important;
    padding-bottom: 0 !important;
  }

  #screen-quiz .choices {
    max-height: none !important;
  }

  #screen-quiz #next-btn {
    grid-area: next !important;
    justify-self: end !important;
    align-self: end !important;
    margin-top: 14px !important;
    margin-bottom: 0 !important;
  }

  #screen-quiz #answer-reveal-area {
    margin-top: 12px !important;
  }
}

@media (min-width: 901px) and (max-height: 740px) {
  #screen-quiz .question-card {
    padding-bottom: 24px !important;
    grid-template-rows: auto minmax(94px, 1fr) auto auto auto !important;
  }

  #screen-quiz #next-btn {
    margin-top: 10px !important;
    min-height: 42px !important;
  }
}

@media (max-width: 900px) {
  #screen-quiz .question-card {
    overflow: visible !important;
    padding-bottom: calc(22px + env(safe-area-inset-bottom, 0px)) !important;
  }

  #screen-quiz #next-btn {
    width: 100% !important;
    margin-top: 16px !important;
  }
}

/* =========================================================
   QUIZ ACTION POSITION + SOFT JUDGE ANIMATION FIX 2026-05-09
   - Place bookmark and voice buttons together above the word
   - Center the word area visually
   - Replace abrupt judge effect with gentle full-screen feedback
   ========================================================= */
#screen-quiz .question-card {
  overflow: hidden !important;
}

#screen-quiz .quiz-action-row {
  grid-area: tools !important;
  position: relative !important;
  z-index: 5 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px !important;
  justify-self: center !important;
  align-self: end !important;
  margin: 0 0 8px !important;
}

#screen-quiz .quiz-action-row .quiz-bm-btn,
#screen-quiz .quiz-action-row .quiz-voice-btn,
#screen-quiz .quiz-bm-btn,
#screen-quiz .quiz-voice-btn {
  position: relative !important;
  inset: auto !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  width: 46px !important;
  height: 46px !important;
  min-width: 46px !important;
  min-height: 46px !important;
  border-radius: 16px !important;
  padding: 0 !important;
  font-size: 18px !important;
  display: grid !important;
  place-items: center !important;
  background: rgba(255,255,255,.94) !important;
  border: 1px solid rgba(217,229,240,.96) !important;
  box-shadow: 0 12px 26px rgba(33,48,65,.10) !important;
}

#screen-quiz .quiz-action-row .quiz-bm-btn:hover,
#screen-quiz .quiz-action-row .quiz-voice-btn:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 16px 32px rgba(33,48,65,.13) !important;
}

@media (min-width: 901px) {
  #screen-quiz .question-card {
    grid-template-areas:
      "tools choices"
      "prompt choices"
      "word choices"
      "sub choices"
      "reveal next" !important;
    grid-template-rows: auto auto minmax(0, 1fr) auto auto !important;
    padding-top: clamp(28px, 4.2vh, 44px) !important;
  }

  #screen-quiz .question-prompt {
    justify-self: center !important;
    text-align: center !important;
    margin: 0 0 4px !important;
  }

  #screen-quiz .question-word,
  #screen-quiz .question-meaning {
    justify-self: center !important;
    align-self: center !important;
    text-align: center !important;
    width: 100% !important;
  }

  #screen-quiz .question-sub {
    justify-self: center !important;
    text-align: center !important;
  }
}

@media (min-width: 901px) and (max-height: 740px) {
  #screen-quiz .quiz-action-row {
    gap: 8px !important;
    margin-bottom: 4px !important;
  }
  #screen-quiz .quiz-action-row .quiz-bm-btn,
  #screen-quiz .quiz-action-row .quiz-voice-btn,
  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    min-height: 38px !important;
    border-radius: 14px !important;
    font-size: 16px !important;
  }
  #screen-quiz .question-card {
    padding-top: 18px !important;
  }
}

@media (max-width: 900px) {
  #screen-quiz .question-card {
    display: grid !important;
    grid-template-columns: 1fr !important;
    grid-template-areas:
      "tools"
      "prompt"
      "word"
      "sub"
      "choices"
      "reveal"
      "next" !important;
    padding-top: 22px !important;
  }
  #screen-quiz .quiz-action-row {
    margin-bottom: 10px !important;
  }
  #screen-quiz .question-word,
  #screen-quiz .question-meaning,
  #screen-quiz .question-prompt,
  #screen-quiz .question-sub {
    justify-self: center !important;
    text-align: center !important;
  }
}

#screen-quiz .result-overlay {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100dvh !important;
  z-index: 9999 !important;
  border-radius: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: clamp(92px, 15vw, 190px) !important;
  font-family: 'Playfair Display', 'Noto Serif JP', serif !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transform: scale(.86) !important;
  filter: none !important;
  backdrop-filter: blur(.6px) !important;
}

#screen-quiz .result-overlay.correct-flash {
  background:
    radial-gradient(circle at 50% 50%, rgba(46,204,113,.18), rgba(46,204,113,.07) 34%, rgba(255,255,255,.00) 70%) !important;
  color: rgba(39,174,96,.90) !important;
  text-shadow: 0 18px 54px rgba(46,204,113,.24) !important;
}

#screen-quiz .result-overlay.wrong-flash {
  background:
    radial-gradient(circle at 50% 50%, rgba(231,76,60,.16), rgba(231,76,60,.07) 34%, rgba(255,255,255,.00) 70%) !important;
  color: rgba(231,76,60,.88) !important;
  text-shadow: 0 18px 54px rgba(231,76,60,.22) !important;
}

#screen-quiz .result-overlay.show {
  opacity: 1 !important;
  animation: quizSoftJudge 1120ms cubic-bezier(.22,.72,.18,1) both !important;
}

@keyframes quizSoftJudge {
  0%   { opacity: 0; transform: scale(.82); filter: blur(4px); }
  18%  { opacity: .82; transform: scale(.98); filter: blur(0); }
  44%  { opacity: .72; transform: scale(1.015); }
  72%  { opacity: .42; transform: scale(1.045); }
  100% { opacity: 0; transform: scale(1.08); filter: blur(2px); }
}

@media (prefers-reduced-motion: reduce) {
  #screen-quiz .result-overlay.show {
    animation: quizSoftJudgeReduced 700ms ease-out both !important;
  }
  @keyframes quizSoftJudgeReduced {
    0% { opacity: 0; }
    25% { opacity: .75; }
    100% { opacity: 0; }
  }
}


/* =========================================================
   QUIZ LEFT-TOP ACTION BUTTONS + PHONETIC LABEL 2026-05-09
   ========================================================= */
#screen-quiz .question-card {
  position: relative !important;
}

#screen-quiz .quiz-action-row {
  grid-area: none !important;
  position: absolute !important;
  top: clamp(14px, 2.4vh, 24px) !important;
  left: clamp(14px, 2.4vw, 24px) !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  justify-self: auto !important;
  align-self: auto !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 8px !important;
  margin: 0 !important;
  z-index: 20 !important;
}

#screen-quiz .quiz-action-row .quiz-bm-btn,
#screen-quiz .quiz-action-row .quiz-voice-btn,
#screen-quiz .quiz-bm-btn,
#screen-quiz .quiz-voice-btn {
  position: relative !important;
  inset: auto !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  border-radius: 14px !important;
  font-size: 17px !important;
}

#screen-quiz .question-phonetic {
  grid-area: phonetic;
  margin: -4px auto 12px;
  text-align: center;
  color: var(--text2);
  font-family: 'EB Garamond', 'Noto Serif JP', serif;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.2;
  letter-spacing: .03em;
  opacity: .88;
}

@media (min-width: 901px) {
  #screen-quiz .question-card {
    grid-template-areas:
      "prompt choices"
      "word choices"
      "phonetic choices"
      "sub choices"
      "reveal next" !important;
    padding-top: clamp(34px, 5vh, 54px) !important;
  }

  #screen-quiz .question-word,
  #screen-quiz .question-meaning {
    align-self: end !important;
  }
}

@media (max-width: 900px) {
  #screen-quiz .question-card {
    grid-template-areas:
      "prompt"
      "word"
      "phonetic"
      "sub"
      "choices"
      "reveal"
      "next" !important;
    padding-top: 74px !important;
  }

  #screen-quiz .quiz-action-row {
    top: 16px !important;
    left: 16px !important;
  }

  #screen-quiz .quiz-action-row .quiz-bm-btn,
  #screen-quiz .quiz-action-row .quiz-voice-btn,
  #screen-quiz .quiz-bm-btn,
  #screen-quiz .quiz-voice-btn {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    border-radius: 13px !important;
  }

  #screen-quiz .question-phonetic {
    font-size: 17px;
    margin-bottom: 10px;
  }
}

/* =========================================================
   FINAL QUIZ OVERLAP + UPDATE MAINTENANCE PATCH 2026-05-09
   目的:
   - 単語・発音記号が選択肢に重ならないよう、領域を明確に分離
   - 次の問題ボタンも選択肢に被らない通常フロー配置へ修正
   - ★/音声ボタンはカード左上に固定
   ========================================================= */
#screen-quiz .question-card {
  overflow: visible !important;
}

#screen-quiz .quiz-action-row {
  position: absolute !important;
  top: 18px !important;
  left: 18px !important;
  right: auto !important;
  bottom: auto !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  z-index: 30 !important;
}

#screen-quiz .quiz-action-row .quiz-bm-btn,
#screen-quiz .quiz-action-row .quiz-voice-btn {
  position: relative !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  transform: none !important;
  margin: 0 !important;
}

#screen-quiz .question-word,
#screen-quiz .question-meaning,
#screen-quiz .question-phonetic,
#screen-quiz .question-sub {
  min-width: 0 !important;
  max-width: 100% !important;
  overflow-wrap: anywhere !important;
  word-break: normal !important;
}

@media (min-width: 901px) {
  #screen-quiz .quiz-content {
    overflow: auto !important;
    padding: 18px 22px !important;
  }

  #screen-quiz .question-card {
    width: min(100%, 1040px) !important;
    max-height: none !important;
    min-height: 560px !important;
    padding: 72px 42px 28px !important;
    display: grid !important;
    grid-template-columns: minmax(0, 0.92fr) minmax(340px, 1.08fr) !important;
    grid-template-areas:
      "prompt choices"
      "word choices"
      "phonetic choices"
      "sub choices"
      "reveal choices"
      "next next" !important;
    column-gap: clamp(42px, 5vw, 72px) !important;
    row-gap: 10px !important;
    align-items: center !important;
  }

  #screen-quiz .question-prompt {
    grid-area: prompt !important;
    align-self: end !important;
    justify-self: center !important;
    text-align: center !important;
    margin: 0 0 4px !important;
  }

  #screen-quiz .question-word,
  #screen-quiz .question-meaning {
    grid-area: word !important;
    justify-self: center !important;
    align-self: center !important;
    text-align: center !important;
    margin: 0 !important;
    width: 100% !important;
    line-height: 1.04 !important;
  }

  #screen-quiz .question-word {
    font-size: clamp(46px, 5.4vw, 72px) !important;
  }

  #screen-quiz .question-meaning {
    font-size: clamp(32px, 4vw, 52px) !important;
  }

  #screen-quiz .question-phonetic {
    grid-area: phonetic !important;
    justify-self: center !important;
    align-self: start !important;
    text-align: center !important;
    margin: 0 0 8px !important;
    font-size: clamp(16px, 1.7vw, 21px) !important;
  }

  #screen-quiz .question-sub {
    grid-area: sub !important;
    justify-self: center !important;
    text-align: center !important;
    margin: 0 !important;
  }

  #screen-quiz #choices-container {
    grid-area: choices !important;
    align-self: center !important;
    width: 100% !important;
    margin: 0 !important;
    min-width: 0 !important;
  }

  #screen-quiz .choices {
    gap: 12px !important;
  }

  #screen-quiz .choice-btn {
    min-height: 52px !important;
    padding: 12px 18px !important;
    font-size: 15px !important;
    line-height: 1.45 !important;
  }

  #screen-quiz #answer-reveal-area {
    grid-area: reveal !important;
    margin: 6px 0 0 !important;
    width: 100% !important;
  }

  #screen-quiz #next-btn {
    grid-area: next !important;
    position: relative !important;
    justify-self: end !important;
    align-self: end !important;
    width: 240px !important;
    margin: 8px 0 0 !important;
    z-index: 5 !important;
  }
}

@media (min-width: 901px) and (max-height: 760px) {
  #screen-quiz .question-card {
    min-height: 500px !important;
    padding: 62px 38px 22px !important;
    row-gap: 7px !important;
  }

  #screen-quiz .question-word {
    font-size: clamp(40px, 4.7vw, 62px) !important;
  }

  #screen-quiz .question-meaning {
    font-size: clamp(28px, 3.4vw, 44px) !important;
  }

  #screen-quiz .choice-btn {
    min-height: 44px !important;
    padding: 9px 16px !important;
    font-size: 14px !important;
  }

  #screen-quiz .choices {
    gap: 8px !important;
  }
}

@media (max-width: 900px) {
  #screen-quiz .quiz-content {
    overflow: auto !important;
  }

  #screen-quiz .question-card {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding-top: 76px !important;
    gap: 0 !important;
    overflow: visible !important;
  }

  #screen-quiz .question-prompt {
    align-self: center !important;
    text-align: center !important;
    margin-bottom: 12px !important;
  }

  #screen-quiz .question-word,
  #screen-quiz .question-meaning {
    text-align: center !important;
    margin: 0 0 8px !important;
    width: 100% !important;
  }

  #screen-quiz .question-phonetic {
    text-align: center !important;
    margin: 0 0 16px !important;
  }

  #screen-quiz #choices-container {
    width: 100% !important;
    margin-top: 8px !important;
  }

  #screen-quiz #next-btn {
    position: relative !important;
    width: 100% !important;
    margin-top: 14px !important;
    z-index: 5 !important;
  }
}


/* =========================================================
   MOBILE WRITTEN QUIZ NEXT BUTTON + WORD SEARCH FIX
   ========================================================= */
.word-search-panel {
  background: rgba(255,255,255,.94);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  margin: 0 0 14px;
  box-shadow: 0 6px 18px rgba(31,45,61,.05);
}
.word-search-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--text2);
  font-size: 12px;
  font-weight: 800;
}
.word-search-head label { color: var(--text); font-size: 13px; }
.word-search-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 8px 6px 14px;
  background: #fff;
}
.word-search-icon { opacity: .72; }
.word-search-box input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font: 700 14px/1.4 'Noto Serif JP', serif;
}
.word-search-box button {
  border: none;
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--card2);
  color: var(--text2);
  font-weight: 800;
  cursor: pointer;
}
.word-search-mark {
  background: rgba(241,196,15,.34);
  color: inherit;
  border-radius: 4px;
  padding: 0 2px;
}
.word-search-empty {
  padding: 34px 16px;
  text-align: center;
  color: var(--text2);
  font-weight: 800;
}

@media (max-width: 700px) {
  #screen-quiz .question-card {
    justify-content: flex-start !important;
    min-height: auto !important;
    padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)) !important;
  }
  #screen-quiz #choices-container {
    width: 100%;
  }
  #screen-quiz .answer-input {
    margin-bottom: 12px;
  }
  #screen-quiz .confirm-btn {
    margin-bottom: 12px;
  }
  #screen-quiz .next-btn.is-visible {
    position: sticky;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    z-index: 30;
    width: 100%;
    margin-top: 16px;
    display: block !important;
    box-shadow: 0 14px 34px rgba(31,45,61,.18);
  }
  body.quiz-answer-shown #screen-quiz .quiz-content {
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  }
  .word-search-panel {
    padding: 12px;
    border-radius: 14px;
  }
  .word-search-box {
    min-height: 44px;
  }
}


/* =========================================================
   HOME GLOBAL WORD SEARCH 2026-05-16
   ========================================================= */
#screen-set .word-search-panel { display: none !important; }
.home-word-search-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,249,252,.98));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  margin: 18px 0 24px;
  box-shadow: var(--shadow-sm, 0 4px 14px rgba(31,45,61,.06));
}
.home-word-search-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}
.home-word-search-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .02em;
}
.home-word-search-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text2);
  line-height: 1.5;
}
.home-word-search-count {
  flex-shrink: 0;
  min-width: 64px;
  text-align: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(52,152,219,.09);
  color: var(--circle);
  border: 1px solid rgba(52,152,219,.18);
  font-size: 12px;
  font-weight: 800;
}
.home-word-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
}
.home-word-search-panel.is-searching .home-word-search-box,
.home-word-search-box:focus-within {
  border-color: rgba(201,162,39,.55);
  box-shadow: 0 0 0 4px rgba(201,162,39,.12);
}
.home-word-search-icon { font-size: 16px; opacity: .72; }
.home-word-search-box input {
  min-width: 0;
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-family: 'Noto Serif JP', serif;
}
.home-word-search-box button {
  border: none;
  border-radius: 999px;
  padding: 7px 12px;
  background: var(--card2);
  color: var(--text2);
  font-weight: 800;
  font-size: 12px;
  cursor: pointer;
}
.home-word-search-results {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  max-height: 420px;
  overflow: auto;
  padding-right: 2px;
}
.home-word-search-guide,
.home-word-search-empty {
  padding: 18px 14px;
  border-radius: 14px;
  background: rgba(238,243,248,.72);
  color: var(--text2);
  font-size: 13px;
  text-align: center;
}
.home-word-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.home-word-result:hover {
  transform: translateY(-1px);
  border-color: rgba(201,162,39,.42);
  box-shadow: 0 8px 18px rgba(31,45,61,.07);
}
.home-word-result-main {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  border: none;
  background: transparent;
  padding: 12px 12px;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}
.home-word-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--card2);
  color: var(--text2);
  font-size: 12px;
  font-weight: 800;
}
.home-word-text { min-width: 0; display: grid; gap: 3px; }
.home-word-en {
  font-family: 'EB Garamond', serif;
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
}
.home-word-jp {
  color: var(--text2);
  font-size: 13px;
  line-height: 1.55;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.home-word-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text2);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}
.home-word-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(201,162,39,.10);
  color: var(--gold2);
  border: 1px solid rgba(201,162,39,.18);
}
.home-word-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 10px 8px 0;
}
.home-word-action {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  background: var(--card2);
  border-radius: 12px;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.home-word-action:hover { transform: translateY(-1px); border-color: rgba(201,162,39,.5); background: #fff; }
.home-word-action.active { color: var(--bookmark); border-color: rgba(243,156,18,.45); background: rgba(243,156,18,.10); }
.home-word-search-mark {
  background: rgba(241,196,15,.26);
  color: inherit;
  border-radius: 4px;
  padding: 0 2px;
}
.home-word-new {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 5px;
  border-radius: 5px;
  font-family: 'Noto Serif JP', serif;
  font-size: 10px;
  color: var(--new);
  background: rgba(230,126,34,.12);
  border: 1px solid rgba(230,126,34,.26);
  vertical-align: middle;
}
@media (max-width: 720px) {
  .home-word-search-panel { padding: 14px; border-radius: 16px; margin: 14px 0 20px; }
  .home-word-search-head { align-items: center; }
  .home-word-search-title { font-size: 15px; }
  .home-word-search-sub { font-size: 11px; }
  .home-word-search-results { max-height: 360px; }
  .home-word-result-main { grid-template-columns: 42px minmax(0, 1fr); gap: 10px; padding: 11px 10px; }
  .home-word-meta { grid-column: 2; justify-content: flex-start; margin-top: 2px; }
  .home-word-no { width: 36px; height: 36px; border-radius: 11px; }
  .home-word-en { font-size: 18px; }
  .home-word-jp { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .home-word-actions { flex-direction: column; padding: 8px 8px 8px 0; }
  .home-word-action { width: 34px; height: 34px; border-radius: 11px; }
}


/* WRITTEN NEXT BUTTON FIX 20260528 */
#screen-quiz #next-btn.is-visible{display:block!important;opacity:1!important;visibility:visible!important;}
#screen-quiz #answer-reveal-area{overflow:visible!important;}
@media (max-width:900px){#screen-quiz #next-btn.is-visible{position:fixed!important;left:12px!important;right:12px!important;bottom:calc(12px + env(safe-area-inset-bottom,0px))!important;width:auto!important;z-index:9999!important;}}