/* ===========================
   こども都道府県クイズ — yorozu-craft 共通の和紙風の配色
   色はトークン（--bg / --card / --text / --muted / --accent / --border）だけを使う。
   ダークモードは端末の設定に自動で合わせる（prefers-color-scheme。手動切替は付けない）
   =========================== */
:root {
  color-scheme: light dark;
  --bg: #f0ebe0;
  --bg-2: #e6dfd0;
  --card: #faf6ee;
  --text: #3a3025;
  --muted: #6e604f;
  --accent: #8b4513;
  --accent-soft: #f3e6d8;
  --border: #cfc0a0;
  --shadow: rgba(58, 48, 37, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1814;
    --bg-2: #25201a;
    --card: #2b251e;
    --text: #ece4d6;
    --muted: #b9ab96;
    --accent: #e0a066;
    --accent-soft: #3a2e22;
    --border: #4a3f33;
    --shadow: rgba(0, 0, 0, 0.4);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  /* README「ツールを追加するとき」9: 端末のフォント。Web フォントは読まない */
  font-family: "Noto Sans JP", "Noto Sans CJK JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--accent); }

/* ヘッダー */
.app-header {
  text-align: center;
  padding: 1.4rem 1rem 1.1rem;
  background: var(--bg-2);
  border-bottom: 2px solid var(--border);
}
.app-header h1 { font-size: 1.45rem; color: var(--accent); line-height: 1.4; }
.app-header .subtitle { font-size: 0.88rem; color: var(--muted); margin-top: 0.3rem; }

/* レイアウト */
.app-main { max-width: 680px; margin: 0 auto; padding: 1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px var(--shadow);
}
.card h2 {
  font-size: 1.02rem;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  margin-bottom: 0.9rem;
}

/* 入力 */
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 0.25rem; }
.field .hint { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.4rem; }
.field input[type="number"], .field input[type="text"], .field select {
  width: 100%;
  max-width: 16rem;
  padding: 0.45rem 0.5rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: var(--card);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* 読みもの（guide.html） */
.content h3 { font-size: 0.95rem; margin: 1rem 0 0.3rem; }
.content p, .content li { font-size: 0.9rem; }
.content p + p { margin-top: 0.5rem; }
.content ul, .content ol { padding-left: 1.3rem; margin: 0.3rem 0; }
.faq dt { font-weight: 600; margin-top: 0.9rem; font-size: 0.92rem; }
.faq dt::before { content: 'Q. '; color: var(--accent); }
.faq dd { font-size: 0.88rem; color: var(--muted); padding: 0.2rem 0 0.5rem 1.2rem; border-bottom: 1px solid var(--border); }
.info-list { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.2rem; font-size: 0.9rem; }
.info-list dt { font-weight: 600; }
.info-list dd { color: var(--muted); }
.small { font-size: 0.8rem; color: var(--muted); margin-top: 0.4rem; }

/* フッター */
.app-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}
.footer-nav ul { list-style: none; display: flex; justify-content: center; flex-wrap: wrap; gap: 0.4rem 1.1rem; margin-bottom: 0.6rem; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover, .footer-nav a[aria-current="page"] { color: var(--accent); }

/* ===== こども都道府県クイズ固有 ===== */
.js-loading .app-main { visibility: hidden; }
body.playing .app-header { padding: 0.5rem 1rem; }
body.playing .app-header .subtitle { display: none; }
body.playing .app-header h1 { font-size: 1.05rem; }
:root { --sea: #d6ecf5; --land: #f3e6d8; --land-line: #8b4513; --ok: #2e7d32; --ng: #c62828; --target: #f2b233; --learned: #7cb342; }
@media (prefers-color-scheme: dark) {
  :root { --sea: #1d2a33; --land: #3a2e22; --land-line: #e0a066; --ok: #81c784; --ng: #ef9a9a; --target: #d9a520; --learned: #558b2f; }
}
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.app-main { max-width: 820px; }
.screen { padding-bottom: 1rem; }
button { font-family: inherit; }
rt { font-size: 0.55em; }

.modes { display: grid; grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); gap: 0.7rem; margin: 0.4rem 0 1rem; }
.mode {
  display: flex; flex-direction: column; align-items: center; gap: 0.15rem; min-height: 7rem; padding: 0.8rem 0.5rem;
  border: 2px solid var(--border); border-radius: 14px; background: var(--card); color: var(--text); cursor: pointer;
  box-shadow: 0 3px 0 var(--border); transition: transform 0.08s;
}
.mode:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--border); }
.mode:focus-visible, .chip:focus-visible, .choice:focus-visible, .btn-big:focus-visible, .speak:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.mode-icon { font-size: 2rem; line-height: 1.2; }
.mode-title { font-size: 1.15rem; font-weight: 700; color: var(--accent); }
.mode-desc { font-size: 0.85rem; color: var(--muted); }
.mode-sub { background: var(--accent-soft); }

.settings fieldset { border: none; margin: 0 0 0.9rem; }
.settings legend { font-weight: 700; margin-bottom: 0.4rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip { min-height: 44px; padding: 0.35rem 0.9rem; border-radius: 999px; border: 2px solid var(--border); background: var(--card); color: var(--text); font-size: 1rem; cursor: pointer; }
.chip.on { background: var(--accent); border-color: var(--accent); color: var(--card); font-weight: 700; }
.seg { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.seg label { display: inline-flex; align-items: center; gap: 0.35rem; min-height: 44px; padding: 0.3rem 0.8rem; border: 2px solid var(--border); border-radius: 10px; font-size: 1rem; cursor: pointer; }
.seg input { width: 1.2rem; height: 1.2rem; accent-color: var(--accent); }
.parent-link { text-align: center; margin-top: 0.5rem; font-size: 0.9rem; }

.play-bar { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.4rem; }
.progress { font-weight: 700; }
.score { color: var(--accent); font-weight: 700; }
.btn-ghost { margin-left: auto; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 0.35rem 0.8rem; color: var(--muted); cursor: pointer; min-height: 40px; }
.question-row { display: flex; align-items: center; gap: 0.5rem; }
.question { font-size: 1.35rem; font-weight: 700; line-height: 1.9; flex: 1; }
.speak { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--border); background: var(--card); font-size: 1.3rem; cursor: pointer; flex: none; }

.map-wrap { background: var(--sea); border-radius: 12px; overflow: hidden; margin: 0.5rem 0; }
.map-wrap svg { width: 100%; height: auto; display: block; max-height: 70vh; }
.map-wrap path { fill: var(--land); stroke: var(--land-line); stroke-width: 1; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.map-wrap.tappable path { cursor: pointer; }
.map-wrap.tappable path:hover { fill: var(--accent-soft); }
.map-wrap path.target { fill: var(--target); animation: blink 1s ease-in-out infinite alternate; }
.map-wrap path.ok { fill: var(--ok); }
.map-wrap path.ng { fill: var(--ng); }
.map-wrap path.learned { fill: var(--learned); }
.map-wrap .inset-frame { fill: none; stroke: var(--land-line); stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }
.map-wrap .marker { fill: none; stroke: var(--target); stroke-width: 4; vector-effect: non-scaling-stroke; pointer-events: none; }
.map-wrap .marker.ok { stroke: var(--ok); }
@keyframes blink { from { opacity: 1; } to { opacity: 0.55; } }
@media (prefers-reduced-motion: reduce) { .map-wrap path.target { animation: none; } }
.shape-wrap { display: flex; justify-content: center; background: var(--sea); border-radius: 12px; padding: 1rem; margin: 0.5rem 0; }
.shape-wrap svg { width: min(70vw, 320px); height: auto; }
.shape-wrap .shape { fill: var(--accent); stroke: var(--land-line); }

.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.6rem 0; }
.choice {
  min-height: 64px; font-size: 1.2rem; font-weight: 700; border-radius: 12px; border: 2px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer; box-shadow: 0 3px 0 var(--border); line-height: 1.8; padding: 0.3rem;
}
.choice.ok { background: var(--ok); color: #fff; border-color: var(--ok); }
.choice.ng { background: var(--ng); color: #fff; border-color: var(--ng); }
.choice:disabled { cursor: default; }
.feedback { background: var(--card); border: 2px solid var(--border); border-radius: 14px; padding: 1rem; margin-top: 0.6rem; text-align: center; }
.fb-title { font-size: 1.6rem; font-weight: 700; }
.fb-title.ok { color: var(--ok); } .fb-title.ng { color: var(--ng); }
.fb-body { font-size: 1.05rem; line-height: 2; margin: 0.4rem 0 0.8rem; text-align: left; }
.btn-big { min-height: 56px; min-width: 12rem; padding: 0.6rem 1.4rem; font-size: 1.15rem; font-weight: 700; border-radius: 14px; border: none; background: var(--accent); color: var(--card); cursor: pointer; }
.btn-big.btn-sub { background: var(--accent-soft); color: var(--accent); border: 2px solid var(--border); }
.btn-col { display: flex; flex-direction: column; align-items: center; gap: 0.7rem; margin: 1rem 0; }

.result-title { text-align: center; font-size: 1.5rem; color: var(--accent); margin: 1rem 0 0.3rem; }
.stars { text-align: center; font-size: 2.6rem; color: var(--target); letter-spacing: 0.2em; }
.result-miss { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 0.8rem 1rem; font-size: 1.05rem; line-height: 2; }
.result-miss ul { padding-left: 1.3rem; }
.col-count { text-align: center; font-size: 1.2rem; font-weight: 700; }
.parent-reset { text-align: center; margin-top: 1.5rem; }
.parent-reset .btn-ghost { margin: 0; font-size: 0.8rem; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }

@media (max-width: 480px) {
  .app-header h1 { font-size: 1.2rem; }
}