:root {
  --bg: #0b0d12;
  --panel: #12151c;
  --line: #222734;
  --text: #e9ecf2;
  --muted: #8a92a6;
  --accent: #7fd1c7;
  --accent-2: #f08a6c;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); color: var(--text); }
body { margin: 0; font: 16px/1.6 var(--sans); min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
a { color: inherit; }
img, video { display: block; max-width: 100%; }

.wrap { width: min(1180px, 100% - 48px); margin: 0 auto; }

/* header */
.head { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(11, 13, 18, .88); backdrop-filter: blur(8px); z-index: 5; }
.head-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: .02em; font-size: 18px; }
.mark { width: 22px; height: 22px; background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--accent)); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.nav { display: flex; gap: 24px; }
.nav a { text-decoration: none; color: var(--muted); font-size: 15px; padding: 4px 0; border-bottom: 1px solid transparent; }
.nav a:hover { color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); border-color: var(--accent); }

/* intro */
.intro { padding: 72px 0 40px; max-width: 720px; }
.kicker { font: 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin: 0 0 18px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 18px; font-weight: 650; }
.lede { color: var(--muted); font-size: 18px; margin: 0; }

/* toolbar */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button { font: 14px var(--sans); color: var(--muted); background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.tabs button:hover { color: var(--text); border-color: #39415a; }
.tabs button[aria-pressed="true"] { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.count { font: 12px var(--mono); color: var(--muted); margin: 0; }

/* cards */
.shelf { list-style: none; margin: 0 0 80px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px 22px; }
.card { display: block; text-decoration: none; }
.card-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }
.card-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-frame img { transform: scale(1.04); }
.card-len { position: absolute; right: 10px; bottom: 10px; font: 12px var(--mono); background: rgba(0, 0, 0, .7); padding: 2px 7px; border-radius: 4px; }
.card-meta { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 12px; padding: 12px 2px 0; }
.card-meta h3 { margin: 0; font-size: 17px; font-weight: 600; }
.card-no, .card-method { font: 12px var(--mono); color: var(--muted); }
.card:hover h3 { color: var(--accent); }

/* watch */
.watch { padding-top: 28px; }
.crumb { font: 13px var(--mono); color: var(--muted); margin: 0 0 16px; }
.crumb a { color: var(--accent); text-decoration: none; }
.stage { position: relative; border-radius: 12px; overflow: hidden; background: #000; border: 1px solid var(--line); aspect-ratio: 16 / 9; }
.stage video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.notice { position: absolute; inset: auto 16px 16px 16px; margin: 0; background: rgba(18, 21, 28, .95); border: 1px solid var(--line); padding: 12px 16px; border-radius: 8px; color: var(--muted); }
.under { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 26px; }
.under h1 { margin: 0; font-size: clamp(28px, 4vw, 40px); }
.quality { font: 13px var(--mono); color: var(--muted); display: flex; align-items: center; gap: 8px; }
.quality select { font: 13px var(--mono); background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px; }
.note { max-width: 680px; color: var(--muted); font-size: 17px; margin: 12px 0 36px; }
.note a { color: var(--accent); }
.detail { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts { display: grid; grid-template-columns: 140px 1fr; gap: 10px 20px; margin: 0; }
.facts dt { font: 12px/1.9 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.facts dd { margin: 0; }
.label { font: 12px var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); font-weight: 400; margin: 0 0 14px; }
.swatches { list-style: none; padding: 0; margin: 0; display: flex; gap: 10px; flex-wrap: wrap; }
.swatches li { width: 76px; height: 76px; border-radius: 8px; border: 1px solid var(--line); display: flex; align-items: flex-end; padding: 6px; }
.swatches span { font: 10px var(--mono); background: rgba(0, 0, 0, .6); padding: 1px 4px; border-radius: 3px; }
.more { padding-top: 36px; }
.shelf-sm { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

/* prose */
.prose { max-width: 720px; padding: 72px 0 96px; }
.prose h2 { font-size: 22px; margin: 40px 0 10px; }
.prose p, .prose li { color: #c3c8d4; }
.plain { padding-left: 18px; }
.plain li { margin-bottom: 8px; }
.plain b { color: var(--text); }

/* footer */
.foot { border-top: 1px solid var(--line); }
.foot-in { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px 0; font: 12px var(--mono); color: var(--muted); }

@media (max-width: 720px) {
  .wrap { width: calc(100% - 32px); }
  .intro { padding: 44px 0 28px; }
  .shelf { grid-template-columns: 1fr; }
  .detail { grid-template-columns: 1fr; gap: 28px; }
  .facts { grid-template-columns: 110px 1fr; }
  .under { flex-direction: column; align-items: flex-start; }
}