:root{--sheet:#e6e7df;--panel:#f4f4ee;--ink:#18211c;--ink-soft:#666d66;--marker:#efdc3c;--pen:#c33f26;--rule:#cdcec4;--radius:3px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:repeating-linear-gradient(180deg, transparent 0 31px, #18211c0e 31px 32px), var(--sheet);color:var(--ink);font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased;padding:22px 16px 56px;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic,Noto Sans JP,Helvetica Neue,Arial,sans-serif}.wrap{max-width:760px;margin:0 auto}header{flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:18px;display:flex}h1{letter-spacing:.06em;background:linear-gradient(transparent 62%, var(--marker) 62% 92%, transparent 92%);margin:0;padding:0 2px;font-size:26px;font-weight:800}header p{color:var(--ink-soft);letter-spacing:.03em;margin:0;font-size:12.5px}.url-bar{gap:8px;margin-bottom:16px;display:flex}.url-bar input{border:2px solid 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.del{color:var(--ink-soft);cursor:pointer;background:0 0;border:0;padding:2px 4px;font-size:15px;line-height:1}.track .del:hover{color:var(--pen)}.stage{border:1px solid var(--rule);border-radius:var(--radius);aspect-ratio:16/9;background:#0d100e;position:relative;overflow:hidden}.stage iframe{border:0;width:100%;height:100%;display:block}.bar{-webkit-user-select:none;user-select:none;touch-action:none;margin-top:14px}.rail{background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius);cursor:pointer;height:54px;position:relative;overflow:hidden}.region{background:var(--marker);opacity:.85;cursor:grab;position:absolute;top:0;bottom:0}.playhead{background:var(--pen);pointer-events:none;width:2px;position:absolute;top:-3px;bottom:-3px}.handle{cursor:ew-resize;place-content:center;width:16px;margin-left:-8px;display:grid;position:absolute;top:0;bottom:0}.handle i{background:var(--ink);width:2px;height:100%;display:block}.handle 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8px;font-size:12px}.btn[aria-pressed=true]{background:var(--ink);color:var(--panel);border-color:var(--ink)}.field{background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius);align-items:center;gap:6px;padding:5px 8px;display:flex}.field label{letter-spacing:.08em;color:var(--ink-soft);font-size:11px;font-weight:800}.field input{width:66px;color:var(--ink);font-variant-numeric:tabular-nums;text-align:center;background:0 0;border:0;padding:2px 0;font-size:14px}.field input:focus{outline:2px solid var(--pen);outline-offset:2px;border-radius:2px}.field select{padding:5px 6px}.meta{color:var(--ink-soft);flex-wrap:wrap;align-items:center;gap:16px;margin-top:12px;font-size:12px;display:flex}.meta b{color:var(--ink);font-variant-numeric:tabular-nums;font-size:15px}.status{border:1px solid var(--rule);background:var(--panel);border-radius:20px;padding:2px 7px}.status[data-ok="1"]{border-color:var(--ink);color:var(--ink)}.keys{color:var(--ink-soft);margin-top:16px;font-size:11.5px;line-height:2}.keys kbd{background:var(--panel);border:1px solid var(--rule);border-bottom-width:2px;border-radius:3px;padding:1px 5px;font-family:inherit;font-size:11px}:focus-visible{outline:2px solid var(--pen);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important}}@media (width<=520px){h1{font-size:22px}.btn.solid{min-width:78px}}