:root {
  --bg: #fbfaf7;
  --fg: #23201c;
  --muted: #6f675d;
  --accent: #c2410c;
  --line: #e7e2d9;
  font-family: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.8;
  color: var(--fg);
  background: var(--bg);
}
body { margin: 0; }
header.site, main, footer.site { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header.site { display: flex; gap: 12px; align-items: baseline; padding-top: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
header.site a { color: var(--fg); font-weight: 700; text-decoration: none; }
header.site span { color: var(--muted); font-size: 0.9rem; }
h1 { font-size: 1.6rem; line-height: 1.4; margin: 28px 0 12px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--accent); }
.lead, .meta, .back { color: var(--muted); }
.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.cards a { display: block; color: var(--fg); text-decoration: none; }
.cards img { width: 100%; height: auto; border-radius: 8px; display: block; background: var(--line); }
.cards span { display: block; margin-top: 6px; font-size: 0.95rem; line-height: 1.5; }
.player { position: relative; aspect-ratio: 16 / 9; background: #000; border-radius: 8px; overflow: hidden; }
.player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
main ul:not(.cards), .chapters { padding-left: 1.4em; }
.chapters a { font-variant-numeric: tabular-nums; margin-right: 0.5em; }
.subscribe { margin: 36px 0; }
.button { display: inline-block; background: var(--accent); color: #fff; padding: 10px 18px; border-radius: 6px; text-decoration: none; font-weight: 700; }
footer.site { margin-top: 48px; padding-top: 16px; padding-bottom: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }