/* Layout: catalogue rail on the left, technique sheet on the right. The stage is always the dark point-light room. */
:root{
  --bg:#F1F2EC; --surface:#FFFFFF; --sunk:#E7E9E0; --ink:#14161B; --muted:#5B615D; --line:#D6D9CE;
  --accent:#2741B0; --accent-ink:#FFFFFF; --accent-soft:#E2E6F8;
  --warn:#A82A1D; --warn-soft:#F6E1DD;
  --stage:#0A0C11; --stage-ink:#C9D0E0; --stage-muted:#6E778C; --mat:#1A1F2B;
  --tori:#F3F5FF; --uke:#5B87FF;
  --f-display:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",Georgia,serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1013; --surface:#15181E; --sunk:#1B1F27; --ink:#E6E8E3; --muted:#9A9F9A; --line:#282D36;
    --accent:#8EA1FF; --accent-ink:#0E1013; --accent-soft:#1D2442;
    --warn:#FF8B7B; --warn-soft:#3A1E1A;
    --stage:#07080C; --stage-ink:#C9D0E0; --stage-muted:#6E778C; --mat:#161B26;
    --tori:#F3F5FF; --uke:#5B87FF;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1013; --surface:#15181E; --sunk:#1B1F27; --ink:#E6E8E3; --muted:#9A9F9A; --line:#282D36;
  --accent:#8EA1FF; --accent-ink:#0E1013; --accent-soft:#1D2442;
  --warn:#FF8B7B; --warn-soft:#3A1E1A;
  --stage:#07080C; --stage-ink:#C9D0E0; --stage-muted:#6E778C; --mat:#161B26;
  --tori:#F3F5FF; --uke:#5B87FF;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--f-body);margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.top{max-width:1320px;margin:0 auto;padding-inline:16px;padding-block:18px 6px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.seal{width:40px;height:40px;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font:700 24px/1 var(--f-display);border-radius:4px;flex:none}
.brand h1{margin:0;font:700 22px/1.1 var(--f-display);letter-spacing:.01em}
.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}

.app{max-width:1320px;margin:0 auto;padding-inline:16px;padding-block:14px 40px;display:grid;grid-template-columns:350px minmax(0,1fr);gap:28px;align-items:start}

/* Catalogue */
.catalog{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);max-height:calc(100dvh - 24px);display:flex;flex-direction:column;gap:12px;min-height:0}
.search{position:relative}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search input{width:100%;padding:11px 12px 11px 38px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;font:inherit}
.search input::placeholder{color:var(--muted)}
.fam{display:flex;gap:4px;background:var(--sunk);padding:3px;border-radius:8px}
.fam button{flex:1;border:0;background:transparent;padding:7px 6px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;color:var(--muted);white-space:nowrap}
.fam button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgb(0 0 0 / .08)}
.fam .n{font-family:var(--f-mono);font-size:11px;opacity:.7;margin-left:4px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);background:var(--surface);padding:4px 10px;border-radius:999px;font-size:12.5px;cursor:pointer;display:inline-flex;gap:6px;align-items:baseline}
.chip .n{font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip[aria-pressed="true"] .n{color:inherit;opacity:.8}
.chip.motion{border-style:dashed}
.callout{display:none;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:8px;background:var(--accent-soft);border:0;text-align:left;cursor:pointer;width:100%}
.callout b{font-weight:600}
.callout span{font-size:13px}
.list{overflow:auto;min-height:0;border-top:1px solid var(--line);padding-top:6px;margin-inline:-4px;padding-inline:4px}
.group h3{margin:14px 0 4px;display:flex;align-items:baseline;gap:8px;font:600 11.5px/1 var(--f-body);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.group h3 .k{font:500 13px/1 var(--f-display);letter-spacing:0;text-transform:none}
.group h3 .n{margin-left:auto;font-family:var(--f-mono);font-weight:400;letter-spacing:0}
.row{width:100%;border:0;background:transparent;text-align:left;padding:8px 10px;border-radius:7px;cursor:pointer;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;align-items:center}
.row:hover{background:var(--sunk)}
.row[aria-current="true"]{background:var(--accent-soft)}
.row .nm{font-weight:500;min-width:0;overflow-wrap:anywhere}
.row .en{grid-column:1;font-size:12.5px;color:var(--muted)}
.row .kj{grid-row:1 / span 2;grid-column:2;font:500 17px/1 var(--f-display);color:var(--muted);text-align:right}
.row .tags{grid-column:1;display:flex;gap:4px;flex-wrap:wrap}
.tag{font:500 10.5px/1 var(--f-mono);padding:3px 6px;border-radius:4px;background:var(--sunk);color:var(--muted);letter-spacing:.02em}
.tag.mo{background:var(--accent);color:var(--accent-ink)}
.tag.px{background:var(--warn-soft);color:var(--warn)}
.empty-list{padding:24px 6px;color:var(--muted);font-size:14px}

/* Detail */
.detail{min-width:0;display:flex;flex-direction:column;gap:18px}
.back{display:none;align-self:flex-start;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);padding:6px 12px;border-radius:999px;cursor:pointer;font-size:13px}
.crumb{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:500}
.crumb .k{font-family:var(--f-display);text-transform:none;letter-spacing:0}
.title{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap}
.title h2{margin:0;font:700 clamp(30px,5vw,46px)/1.05 var(--f-display);text-wrap:balance;letter-spacing:-.005em}
.title .kanji{font:500 clamp(30px,5vw,46px)/1.05 var(--f-display);color:var(--accent)}
.sub{margin:6px 0 0;color:var(--muted);font-size:16px}
.badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}

.stage{position:relative;aspect-ratio:16 / 9.5;max-width:100%;background:var(--stage);border-radius:10px;overflow:hidden}
.stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
.stage canvas:active{cursor:grabbing}
.ov{position:absolute;pointer-events:none;font:500 12px/1.3 var(--f-mono);color:var(--stage-ink)}
.ov.phase{top:12px;left:14px;display:flex;flex-direction:column;gap:2px}
.ov.phase b{font:700 20px/1.1 var(--f-display);color:#fff;letter-spacing:.01em}
.ov.phase span{color:var(--stage-muted)}
.ov.legend{bottom:12px;left:14px;display:flex;gap:14px}
.ov.legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}
.ov.hint{bottom:12px;right:14px;color:var(--stage-muted);transition:opacity .4s}
.ov.time{top:14px;right:14px;color:var(--stage-muted);font-variant-numeric:tabular-nums}
.ov.nomo{left:50%;top:14px;transform:translateX(-50%);text-align:center;font-family:var(--f-body);font-size:14px;color:var(--stage-ink);max-width:80%}
.ov.nomo b{display:block;font:700 18px/1.3 var(--f-display);color:#fff;margin-bottom:4px}
.ov.nomo span{color:var(--stage-muted);font-size:13px}

.controls{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}
.play{width:42px;height:42px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;cursor:pointer;flex:none}
.seg{display:inline-flex;background:var(--sunk);padding:3px;border-radius:7px;gap:2px}
.seg button{border:0;background:transparent;padding:5px 10px;border-radius:5px;font-size:12.5px;cursor:pointer;color:var(--muted);font-variant-numeric:tabular-nums}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgb(0 0 0 / .08)}
.ctl-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-right:6px;font-weight:500}
.ctl{display:inline-flex;align-items:center}
.tog{display:inline-flex;gap:6px;align-items:center;font-size:13px;cursor:pointer;color:var(--muted)}
.tog input{accent-color:var(--accent);width:15px;height:15px;margin:0}

.timeline{display:flex;flex-direction:column;gap:6px}
.phases{display:flex;gap:3px}
.phases button{border:0;background:var(--sunk);color:var(--muted);font-size:11.5px;padding:6px 6px;border-radius:4px;cursor:pointer;text-align:left;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.phases button[aria-current="true"]{background:var(--accent-soft);color:var(--ink);font-weight:600}
.timeline input[type=range]{width:100%;accent-color:var(--accent);margin:0}

.cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;align-items:start}
.cols h4{margin:0 0 10px;font:600 11.5px/1 var(--f-body);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.steps{display:flex;flex-direction:column;gap:4px;margin:0;padding:0;list-style:none}
.step{width:100%;border:0;background:transparent;text-align:left;padding:10px 12px;border-radius:8px;cursor:pointer;display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 14px}
.step:hover{background:var(--sunk)}
.step[aria-current="true"]{background:var(--surface);box-shadow:0 0 0 1px var(--line)}
.step .t{font:500 12px/1.6 var(--f-mono);color:var(--muted);font-variant-numeric:tabular-nums;grid-row:1 / span 2}
.step .h{font-weight:600}
.step .h i{font-style:normal;font-weight:400;color:var(--muted);margin-left:6px}
.step .d{color:var(--ink);opacity:.86;max-width:62ch}
.step[aria-current="true"] .t{color:var(--accent)}
.facts{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:9px 16px;font-size:14px}
.facts dt{color:var(--muted)}
.facts dd{margin:0}
.note{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:14px;max-width:62ch}
.waiting{color:var(--muted);font-size:14px;padding:10px 12px;border:1px dashed var(--line);border-radius:8px;max-width:62ch}

@media (max-width: 960px){ .cols{grid-template-columns:minmax(0,1fr)} }
@media (max-width: 860px){
  .app{grid-template-columns:minmax(0,1fr)}
  .catalog{position:static;max-height:none}
  .list{overflow:visible}
  .detail{display:none}
  body.detail-open .detail{display:flex}
  body.detail-open .catalog{display:none}
  .back{display:inline-flex}
  .callout{display:flex}
  .stage{aspect-ratio:4 / 3.4}
  .ov.hint{display:none}
}
@media (prefers-reduced-motion: reduce){ *{transition:none!important} }
.dl{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.err{color:var(--warn)}
.list[aria-busy="true"]{opacity:.55;transition:opacity .15s}