/* ============================================================
   YTGSOSA — 共有コンポーネントCSS(B案採用版)
   tokens.css の変数のみ参照。@dsCardプレビューとサイト本体が共用。
   読み込み順: tokens.css → base.css
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--c-bg); color: var(--c-ink);
  font-family: var(--font-jp); font-size: var(--fs-body); line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; cursor: pointer; }
img { max-width: 100%; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* ---- micro typography ---- */
.micro {
  font-family: var(--font-latin); font-size: var(--fs-micro); font-weight: 500;
  letter-spacing: var(--ls-micro); text-transform: uppercase; color: var(--c-ink-muted);
}

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px;
  padding: 11px 34px; font-family: var(--font-latin); font-weight: 500; font-size: 12px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--c-ink);
  border: 1px solid var(--c-btn-border); border-radius: 0; background: transparent;
  cursor: pointer;
  transition: border-color var(--dur) ease, color var(--dur) ease, background-color var(--dur) ease;
}
.btn:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn--fill { background: var(--c-btn-fill); color: var(--c-btn-fill-ink); border-color: var(--c-btn-fill); }
.btn--fill:hover { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-btn-fill-ink); }
.btn--on-photo { color: var(--c-on-photo); border-color: rgba(238, 240, 243, 0.5); }
.btn--on-photo:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }

/* ---- nav ---- */
.nav { display: flex; align-items: center; gap: 32px; height: 76px; }
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__brand img { height: 30px; }
.nav__brand span { font-family: var(--font-latin); font-weight: 600; font-size: 14px; letter-spacing: 0.22em; color: var(--c-ink); }
.nav__links { display: flex; gap: 30px; margin-left: auto; }
.nav__links a { font-family: var(--font-latin); font-size: 11px; font-weight: 500; letter-spacing: 0.22em; color: var(--c-ink); opacity: 0.85; }
.nav__links a:hover { opacity: 1; color: var(--c-accent); }
.nav__lang { display: flex; gap: 14px; }
.nav__lang button {
  font-family: var(--font-latin); font-size: 11px; letter-spacing: 0.1em;
  background: none; border: 0; color: var(--c-ink-muted); cursor: pointer; padding: 4px 2px;
}
.nav__lang button[aria-pressed="true"] { color: var(--c-ink); border-bottom: 1px solid var(--c-accent); }
/* 写真上に載る透過ヘッダー(ヒーロー用) */
.nav--overlay .nav__brand span, .nav--overlay .nav__links a { color: var(--c-on-photo); }
.nav--overlay .nav__lang button { color: var(--c-on-photo-muted); }
.nav--overlay .nav__lang button[aria-pressed="true"] { color: var(--c-on-photo); }
/* ダーク写真の上でロゴ(白)をそのまま、通常ヘッダーではスキーム対応 */
.nav__brand img.adaptive { filter: none; }
@media (prefers-color-scheme: light) {
  .nav:not(.nav--overlay) .nav__brand img.adaptive { filter: invert(1); }
}

/* ---- section shell ---- */
.sec { padding: var(--sp-7) 0; position: relative; }
.sec-head { display: flex; align-items: baseline; gap: var(--sp-4); margin-bottom: 54px; }
.sec-head h2 { font-family: var(--font-serif); font-weight: 500; font-size: var(--fs-h2); letter-spacing: 0.05em; color: var(--c-ink); }
.sec-head h2:lang(ja) { font-family: var(--font-jp-serif); }
.sec-head .rule { flex: 1; border-top: 1px solid var(--c-line); }

/* ---- paisley accent(1セクション1箇所まで・極薄) ---- */
.paisley-mark {
  position: absolute; top: 90px; right: 0; width: 300px; height: 300px;
  background: url("../assets/paisley-tile.svg") repeat; background-size: 100px;
  opacity: 0.07; pointer-events: none;
}
@media (prefers-color-scheme: light) { .paisley-mark { opacity: 0.12; } }

/* ---- hero(写真フルブリード) ---- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { /* 装飾でなく可読用暗幕(単色透明度のみ) */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, var(--c-photo-scrim) 0%, rgba(11, 14, 20, 0.25) 42%, rgba(11, 14, 20, 0.15) 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; padding-bottom: 72px; }
.hero__inner .micro { color: var(--c-on-photo-muted); }
.hero h1 {
  font-family: var(--font-serif); font-weight: 500; color: var(--c-on-photo);
  font-size: var(--fs-hero); line-height: 1; letter-spacing: 0.04em;
}
.hero__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.hero__release { margin-top: 26px; display: flex; align-items: center; gap: 18px; }
.hero__release .bar { width: 44px; height: 1px; background: var(--c-accent-deep); }
.hero__release p { font-family: var(--font-latin); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-on-photo); }

/* ---- track list ---- */
.tracks { border-top: 1px solid var(--c-line); }
.track {
  display: grid; grid-template-columns: 110px 1fr auto; align-items: center; gap: var(--sp-4);
  padding: 26px 6px; border-bottom: 1px solid var(--c-line);
  transition: padding-left var(--dur) ease;
}
.track:hover { padding-left: 18px; }
.track .no { font-family: var(--font-latin); font-size: 11px; letter-spacing: 0.22em; color: var(--c-ink-muted); }
.track .name { font-family: var(--font-serif); font-size: var(--fs-track); font-weight: 500; letter-spacing: 0.04em; line-height: 1.2; color: var(--c-ink); }
.track:hover .name { color: var(--c-accent); }
.track .feat { font-size: 13px; color: var(--c-ink-muted); }
.track .link { font-family: var(--font-latin); font-size: 10px; letter-spacing: 0.24em; color: var(--c-ink-muted); }
.track:hover .link { color: var(--c-accent); }

/* ---- photo strip ---- */
.strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.strip img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; opacity: 0.92; }

/* ---- product card ---- */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.product { background: var(--c-surface); border: 1px solid var(--c-line); transition: border-color var(--dur) ease; cursor: pointer; }
.product:hover { border-color: var(--c-ink-muted); }
.product__img { aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; position: relative; border-bottom: 1px solid var(--c-line); }
.product__img img { width: 42%; opacity: 0.55; }
@media (prefers-color-scheme: light) { .product__img img.adaptive { filter: invert(1); opacity: 0.7; } }
.product__img .stamp { position: absolute; bottom: 10px; right: 12px; font-family: var(--font-latin); font-size: 10px; letter-spacing: 0.14em; color: var(--c-ink-muted); }
.product__body { padding: 20px; }
.product__body .sku { font-family: var(--font-latin); font-size: 10px; letter-spacing: 0.22em; color: var(--c-ink-muted); text-transform: uppercase; }
.product__body .name { font-family: var(--font-serif); font-size: 22px; font-weight: 500; margin-top: 6px; letter-spacing: 0.03em; color: var(--c-ink); }
.product__body .price { font-family: var(--font-latin); font-size: 13px; letter-spacing: 0.1em; margin-top: 8px; color: var(--c-ink); }
.product__body .buy { margin-top: 16px; }
.product__body .buy .btn { width: 100%; min-height: 42px; padding: 8px 20px; font-size: 11px; }

/* ---- merch coming soon(サイト側のみの一時状態。商品確定後に不要) ---- */
.products--soon { display: block; }
.coming-soon {
  border: 1px solid var(--c-line);
  padding: 72px 28px;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  text-align: center;
}
.coming-soon img { height: 44px; opacity: 0.55; }
@media (prefers-color-scheme: light) { .coming-soon img.adaptive { filter: invert(1); opacity: 0.7; } }
.coming-soon__text {
  font-family: var(--font-latin); font-size: 13px; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--c-ink-muted);
}

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--c-line); padding: 44px 0 72px; }
.site-footer .foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.site-footer .foot img { height: 26px; opacity: 0.8; }
@media (prefers-color-scheme: light) { .site-footer .foot img.adaptive { filter: invert(1); } }

@media (max-width: 760px) {
  .nav__links { display: none; }
  .products, .strip { grid-template-columns: 1fr; }
  .track { grid-template-columns: 52px 1fr auto; gap: 12px; }
  .track .name { font-size: 24px; }
  .track .link { letter-spacing: 0.12em; text-align: right; max-width: 88px; white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }