/* otakase site. Colours are the Shu palette. */
:root {
  --bg: #0e0d0c;
  --fg: #ece4d6;
  --accent: #d2492f;
  --muted: #8a8276;
  --line: #2a2724;
  --panel: #161412;
  --display: 'Archivo Black', 'Arial Black', Impact, sans-serif;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --kanji: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --fade: 1.6s;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--fg); font: 19px/1.7 var(--serif); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.w { max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.mono { font: 12px/1.7 var(--mono); letter-spacing: 3px; color: var(--muted); text-transform: uppercase; }

nav { display: flex; align-items: center; gap: 32px; padding-block: 30px; flex-wrap: wrap; }
nav a:hover { color: var(--fg); }
nav .brand { display: flex; align-items: center; gap: 10px; color: var(--fg); }
nav .sp { flex: 1; }

/* Hero: 任 bleeds off the left edge. Both it and the headline show anime covers through the letters. */
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: 760px; overflow: hidden; }
.fill { position: relative; display: block; line-height: 1; }
.fill .ghost { visibility: hidden; display: block; }
.fill .l {
  position: absolute; inset: 0; display: block;
  color: transparent; -webkit-background-clip: text; background-clip: text;
  background-size: cover; background-position: center 30%;
  /* before any cover loads, the letters are plain cream */
  background-color: var(--fg);
  opacity: 0; transition: opacity var(--fade) ease;
}
.fill .l.on { opacity: 1; }
.k { font: 900 780px/1 var(--kanji); margin-left: -120px; }
.rt { position: relative; z-index: 1; min-width: 0; }
.tag { color: var(--accent); }
.big { font: 400 clamp(48px, 6.2vw, 90px)/0.92 var(--display); letter-spacing: -0.03em; white-space: nowrap; margin-top: 10px; }
.lede { color: color-mix(in srgb, var(--fg) 78%, var(--bg)); font-size: 22px; margin-block: 26px 34px; max-width: 30em; }
.dl { display: inline-block; font: 14px var(--mono); letter-spacing: 4px; color: var(--fg); border-bottom: 1px solid var(--accent); padding-bottom: 6px; }
.dl:hover { color: var(--accent); }
.now { margin-top: 26px; min-height: 1.7em; letter-spacing: 2px; }

/* Features */
.list { margin-block: 60px 100px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; }
.it { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding-block: 26px; border-top: 1px solid var(--line); }
.it .kj { font: 700 50px/1 var(--kanji); color: var(--accent); }
.it h3 { font: 500 27px/1.2 var(--serif); }
.it p { color: #b5ae9f; font-size: 18px; }

/* Install */
.inst { border-top: 1px solid var(--line); padding-block: 56px; display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; align-items: start; }
.inst h2 { font: 500 48px/1 var(--serif); }
.inst-body { min-width: 0; display: grid; gap: 16px; }
.tabs { display: flex; gap: 26px; flex-wrap: wrap; }
.tabs button { font: inherit; letter-spacing: inherit; color: var(--muted); background: none; border: 0; border-bottom: 1px solid transparent; padding-bottom: 4px; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--fg); border-bottom-color: var(--accent); }
[role="tabpanel"] { display: grid; gap: 12px; }
[hidden] { display: none !important; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; border-left: 2px solid var(--accent); padding-left: 18px; }
pre code, .hint code { font: 14px/1.9 var(--mono); color: var(--fg); }
.hint { font: 13px/1.7 var(--mono); color: var(--muted); }
.hint a { color: var(--fg); border-bottom: 1px solid var(--accent); }
.win { padding-block: 6px; }

footer { border-top: 1px solid var(--line); padding-block: 36px 56px; letter-spacing: 2px; color: #5f5a52; text-transform: none; }

@media (max-width: 760px) {
  nav { gap: 18px; }
  nav .sp { flex-basis: 100%; height: 0; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .k { font-size: 340px; margin-left: -50px; line-height: 0.95; }
  .big { white-space: normal; }
  .list, .inst { grid-template-columns: 1fr; }
  .list { margin-block: 30px 60px; }
}

@media (prefers-reduced-motion: reduce) {
  :root { --fade: 0s; }
  html { scroll-behavior: auto; }
}

/* Longer page: shared section frame */
html { scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }
.sec { border-top: 1px solid var(--line); padding-block: 72px; }
.sec h2 { font: 500 clamp(34px, 4.4vw, 56px)/1.05 var(--serif); margin: 10px 0 30px; max-width: 18em; }
.sec .lede { margin-block: 0 26px; }
code { font: 0.85em var(--mono); color: var(--fg); }

.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.steps .n { display: block; font: 900 64px/1 var(--kanji); color: var(--accent); margin-bottom: 14px; }
.steps h3 { font: 400 26px/1.1 var(--display); letter-spacing: -0.01em; margin-bottom: 8px; }
.steps p { color: #b5ae9f; font-size: 18px; }

.shot img { border-radius: 6px; border: 1px solid var(--line); }
.shot figcaption { margin-top: 12px; letter-spacing: 2px; }
.big-shot { margin-bottom: 28px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }

.cast { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.devices { list-style: none; display: grid; gap: 0; }
.devices li { display: grid; grid-template-columns: 60px 1fr; grid-template-rows: auto auto; column-gap: 16px; padding-block: 18px; border-top: 1px solid var(--line); }
.devices li:first-child { border-top: 0; }
.devices .kj { grid-row: span 2; font: 700 44px/1 var(--kanji); color: var(--accent); align-self: center; }
.devices b { font: 500 26px/1.2 var(--serif); }
.devices .mono { letter-spacing: 2px; }

.swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 20px; }
.sw { background: var(--b); color: var(--f); border: 1px solid var(--line); border-radius: 6px; padding: 16px 14px 14px; min-width: 0; }
.sw i { display: block; height: 40px; border-radius: 4px; margin-bottom: 12px;
  background: linear-gradient(90deg, var(--a) 0 34%, var(--f) 34% 67%, color-mix(in srgb, var(--f) 30%, var(--b)) 67%); }
.sw span { font: 12px/1.4 var(--mono); letter-spacing: 1px; }

.faq details { border-top: 1px solid var(--line); padding-block: 18px; max-width: 46em; }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font: 500 24px/1.3 var(--serif); list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 20px var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: #b5ae9f; margin-top: 10px; }

@media (max-width: 960px) {
  .swatches { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .sec { padding-block: 52px; }
  .steps, .pair, .cast { grid-template-columns: 1fr; }
  .steps { gap: 28px; }
  .swatches { grid-template-columns: repeat(2, 1fr); }
}

.run { margin-top: 18px; display: grid; gap: 12px; }
.cmds { display: grid; align-items: baseline; grid-template-columns: max-content 1fr; gap: 6px 28px; border-left: 2px solid var(--accent); padding-left: 18px; }
.cmds dt code { font: 14px/1.9 var(--mono); color: var(--fg); }
.cmds dd { font: 13px/2.05 var(--mono); color: var(--muted); }
@media (max-width: 760px) {
  .cmds { grid-template-columns: 1fr; gap: 0; }
  .cmds dd { line-height: 1.5; margin-bottom: 10px; }
}

.os-pick { display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 22px; }
.os-pick button { font: inherit; letter-spacing: inherit; color: var(--muted); background: none; border: 0; border-bottom: 1px solid transparent; padding-bottom: 4px; cursor: pointer; }
.os-pick button[aria-pressed="true"] { color: var(--fg); border-bottom-color: var(--accent); }
.os-shot img { border: 0; }
.menus .hint { margin-top: 14px; }

/* Install, kept short */
.inst pre code { line-height: 1.6; }
.inst-body { gap: 12px; }
.run { margin-top: 8px; gap: 10px; }
.more summary { cursor: pointer; color: var(--muted); list-style: none; }
.more summary::-webkit-details-marker { display: none; }
.more summary::before { content: "+ "; color: var(--accent); }
.more[open] summary::before { content: "− "; }
.more .cmds { margin-top: 10px; }