/* 周辺ページ（解説・遊び方・運営者情報など）の見た目。ゲーム画面（src/style.css）と同じ色の決まりを使う。 */
:root {
  --bg: #f7f5f0;
  --fg: #1d1d1f;
  --muted: #6b6b70;
  --line: #d9d5cc;
  --card: #ffffff;
  --shape: #2b2b30;
  --accent: #1f6feb;
  --cap: #d33;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416;
    --fg: #ececef;
    --muted: #9a9aa2;
    --line: #34343a;
    --card: #1e1e22;
    --shape: #e6e3da;
    --accent: #6ea8ff;
    --cap: #ff6b6b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  line-height: 1.8;
}
a { color: var(--accent); }
.site-head, .doc, .foot { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.site-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--line); padding-top: 12px; padding-bottom: 8px; }
.site-head .logo { font-weight: 700; font-size: 1.2rem; color: var(--fg); text-decoration: none; }
.site-head nav { display: flex; gap: 14px; font-size: 0.95rem; }
.doc { padding-bottom: 32px; }
.doc h1 { font-size: 1.5rem; line-height: 1.4; margin: 16px 0 8px; }
.doc h2 { font-size: 1.15rem; margin: 28px 0 8px; padding-bottom: 4px; border-bottom: 1px solid var(--line); }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 0; margin: 12px 0 0; font-size: 0.85rem; color: var(--muted); }
.crumbs li + li::before { content: "›"; margin-right: 4px; }
.lead { color: var(--muted); margin-top: 0; }
.pref-figure { margin: 16px auto; max-width: 360px; }
.pref-figure svg { display: block; width: 100%; aspect-ratio: 1; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.pref-figure figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
svg path { fill: var(--shape); }
svg .cap { fill: var(--cap); stroke: var(--card); stroke-width: 6; }
.facts { margin: 0; }
.facts > div { display: grid; grid-template-columns: 9em 1fr; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.facts .note { display: block; font-size: 0.85rem; color: var(--muted); }
@media (max-width: 480px) { .facts > div { grid-template-columns: 1fr; gap: 0; } }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.sq { white-space: nowrap; letter-spacing: -1px; }
.arrow { font-weight: 700; }
.hints td:nth-child(3), .hints th { white-space: nowrap; }
.policy td { font-size: 0.9rem; }
.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 4px 0 0; }
.cta { text-align: center; margin: 28px 0; }
.button { display: inline-block; padding: 10px 18px; border-radius: 8px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 700; }
.pager { display: flex; justify-content: space-between; gap: 8px; margin-top: 24px; font-size: 0.95rem; }
.pref-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.pref-grid a { display: block; text-align: center; text-decoration: none; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 4px; font-size: 0.9rem; }
.pref-grid svg { display: block; width: 72px; height: 72px; margin: 0 auto 4px; }
.mail { font-size: 1.1rem; font-weight: 700; }
.updated { color: var(--muted); font-size: 0.9rem; text-align: right; }
.foot { border-top: 1px solid var(--line); padding-top: 12px; padding-bottom: 24px; font-size: 0.8rem; color: var(--muted); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 8px; font-size: 0.9rem; }
.foot .credit { word-break: break-all; }