:root {
  --bg: #f6f5f2;
  --surface: #fbfaf8;
  --ink: #1f1f1d;
  --sub: #6b6a66;
  --line: #e2e0db;
  --accent: #2f6650;
  --accent-ink: #ffffff;
  --ph: #ebe9e4;
  --player: #8a8984;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171716; --surface: #1e1e1c; --ink: #ecebe7; --sub: #a3a29d; --line: #33322f;
    --accent: #6fb595; --accent-ink: #10201a; --ph: #262624; --player: #3a3a37; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #171716; --surface: #1e1e1c; --ink: #ecebe7; --sub: #a3a29d; --line: #33322f;
  --accent: #6fb595; --accent-ink: #10201a; --ph: #262624; --player: #3a3a37; color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.7 var(--sans); }
a { color: inherit; }
main { max-width: 1120px; margin: 0 auto; padding: 0 16px 48px; }
h1, h2, .logo { font-family: var(--serif); font-weight: 600; letter-spacing: .02em; }
h2 { font-size: 18px; margin: 32px 0 4px; }

.site-header { max-width: 1120px; margin: 0 auto; padding: 16px; display: flex; align-items: baseline; gap: 12px; border-bottom: 1px solid var(--line); }
.site-header .logo { font-size: 20px; text-decoration: none; }
.site-header .genre { color: var(--sub); font-size: 12px; }
.site-header nav { margin-left: auto; font-size: 13px; }
.site-header nav a { text-decoration: none; color: var(--sub); }

.hero { padding: 32px 0 8px; max-width: 560px; }
.hero h1 { font-size: 24px; line-height: 1.5; margin-bottom: 12px; }
.hero p { color: var(--sub); font-size: 14px; }

.filter-label { color: var(--sub); font-size: 12px; margin: 16px 0 6px; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.chip { flex: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 13px; cursor: pointer; }
.chip.is-on { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.list-head { display: flex; justify-content: space-between; color: var(--sub); font-size: 12px; margin: 24px 0 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
@media (min-width: 760px) { .grid { grid-template-columns: repeat(4, 1fr); gap: 32px 20px; } }
.card { text-decoration: none; display: block; }
.card[hidden] { display: none; }
.shot { aspect-ratio: 1; background: repeating-linear-gradient(135deg, var(--ph) 0 10px, transparent 10px 20px), var(--surface); border: 1px solid var(--line); display: grid; place-items: center; color: var(--sub); font: 11px var(--mono); margin-bottom: 10px; }
.shot-lg { max-width: 420px; }
.card-sub { color: var(--sub); font-size: 11px; }
.card-name { font-weight: 600; font-size: 14px; line-height: 1.5; }
.card-meta { display: flex; flex-wrap: wrap; gap: 4px 10px; color: var(--sub); font-size: 12px; align-items: center; }
.card-date { color: var(--sub); font-size: 11px; }
.mono { font-family: var(--mono); color: var(--accent); }

.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 4px; vertical-align: 1px; }
.dot-fill { background: var(--accent); }
.dot-line { border: 1px solid var(--sub); }
.tag { font-size: 11px; color: var(--sub); white-space: nowrap; }
.tag-pr { font: 10px var(--mono); border: 1px solid var(--sub); padding: 0 4px; border-radius: 2px; }

.crumb { color: var(--sub); font-size: 12px; margin: 16px 0; }
.crumb a { text-decoration: none; }

/* 商品ページ：スマホは縦一列（見出し→プレーヤーと購入→場面→要点）、PCは2列 */
.product { display: grid; gap: 8px; }
@media (min-width: 900px) {
  .product { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 40px; align-items: start; }
  .product-head, .scenes, .notes, .stores, .ad { grid-column: 1; }
  .watch { grid-column: 2; grid-row: 1 / span 5; position: sticky; top: 16px; }
}
.brand { color: var(--sub); font-size: 12px; letter-spacing: .1em; }
.price { grid-column: 1 / -1; margin-top: 10px; }
.price-value { font: 600 30px/1.2 var(--serif); font-variant-numeric: tabular-nums; letter-spacing: .01em; }
.price-about { font-size: 15px; margin-right: 6px; color: var(--sub); font-weight: 400; }
.price-none { font-size: 18px; color: var(--sub); }
.price-note { color: var(--sub); font-size: 11px; margin-top: 2px; }
.card-price { font: 600 16px var(--serif); font-variant-numeric: tabular-nums; }
/* スマホでは商品画像を小さくして、プレーヤーと購入ボタンを最初の画面に入れる */
@media (max-width: 899px) {
  .product-head { display: grid; grid-template-columns: 104px 1fr; column-gap: 14px; align-items: center; }
  .product-head .shot-lg { grid-row: 1 / span 3; margin: 0; }
  .product-head h1 { font-size: 20px; line-height: 1.4; }
}
.product-head h1 { font-size: 26px; }

.player { aspect-ratio: 16 / 9; background: var(--player); color: #fff; display: grid; place-items: center; text-align: center; }
.player iframe { width: 100%; height: 100%; border: 0; }
.player-at { font-size: 12px; opacity: .85; }
.player-open { display: inline-block; margin-top: 10px; color: #fff; font-size: 13px; border: 1px solid rgba(255,255,255,.7); padding: 6px 12px; border-radius: 4px; text-decoration: none; }
.shot-icon { background: var(--surface); color: var(--ink); }
.shot-icon svg { width: 72%; height: 72%; }
.banner { background: var(--ink); color: var(--bg); font-size: 12px; padding: 8px 16px; text-align: center; }
.player-cap { color: var(--sub); font-size: 12px; margin: 6px 0 12px; }
.buy-main { display: block; text-align: center; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; padding: 12px; border-radius: 4px; }
.buy-note { color: var(--sub); font-size: 11px; text-align: center; margin-top: 4px; }

.hint, .legend { color: var(--sub); font-size: 12px; }
.legend { margin-top: 12px; }
.scene-list { list-style: none; border-top: 1px solid var(--line); margin-top: 12px; }
.scene-body { flex: 1; min-width: 0; }
.scene { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.time { flex: none; height: 36px; min-width: 76px; font: 600 14px var(--mono); color: var(--accent); background: transparent; border: 1px solid var(--accent); border-radius: 4px; cursor: pointer; }
.scene.is-playing .time { background: var(--accent); color: var(--accent-ink); }
.scene-who { font-size: 13px; font-weight: 600; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.scene-who a { text-decoration: none; }
.now { display: none; color: var(--accent); font-size: 11px; font-weight: 400; }
.scene.is-playing .now { display: inline; }
.scene-title { font-size: 13px; }
.scene-foot { display: flex; gap: 12px; justify-content: space-between; color: var(--sub); font-size: 11px; }
.buy-small { color: var(--accent); text-decoration: none; }

.note { padding: 14px 0; border-bottom: 1px solid var(--line); }
.note-who { font-weight: 600; font-size: 13px; display: flex; gap: 8px; align-items: center; }
.note dl { display: grid; grid-template-columns: 5em 1fr; gap: 4px 8px; font-size: 13px; margin-top: 6px; }
.note dt { color: var(--sub); font-size: 11px; padding-top: 2px; }

.stores { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--sub); font-size: 12px; }
.store-links { display: flex; flex-wrap: wrap; gap: 4px 12px; }
.store-links a { color: var(--sub); }
.ad { margin-top: 24px; border: 1px dashed var(--line); color: var(--sub); font-size: 12px; text-align: center; padding: 32px 0; }

.creator-head { padding: 16px 0; }
.creator-head h1 { font-size: 24px; }
.handle { color: var(--sub); font: 12px var(--mono); }
.reason { font-family: var(--serif); font-size: 17px; margin-bottom: 12px; }
.btn-line { display: inline-block; border: 1px solid var(--ink); padding: 8px 14px; text-decoration: none; font-size: 13px; margin-right: 12px; }
.creator-list { list-style: none; margin-top: 16px; }
.creator-list li { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.prose { max-width: 640px; padding: 24px 0; }
.prose h1 { font-size: 24px; margin-bottom: 12px; }
.prose p { margin-bottom: 12px; }

.site-footer { max-width: 1120px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line); color: var(--sub); font-size: 12px; }
.site-footer .logo { color: var(--ink); font-size: 15px; margin-bottom: 6px; }
.site-footer nav { display: flex; gap: 16px; margin: 8px 0; }