:root{--bg:#f6f4ef;--panel:#fff;--text:#1d1b18;--muted:#6b665e;--line:#e2ddd3;--accent:#c2410c;--accent-text:#fff;--error:#b91c1c;--playhead:#dc2626;--sec-intro:#a8a29e;--sec-verse:#60a5fa;--sec-pre:#818cf8;--sec-chorus:#f97316;--sec-bridge:#34d399;--sec-solo:#e879f9;--sec-riff:#facc15;--sec-break:#f87171;--sec-quiet:#94a3b8;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#12110f;--panel:#1c1a17;--text:#ede9e3;--muted:#a39e95;--line:#2f2c27;--accent:#fb923c;--accent-text:#1c1a17;--error:#f87171;--playhead:#f87171;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.5 Noto Serif JP,system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent)}main,footer{max-width:1100px;margin:0 auto;padding:0 16px}main{padding-top:8px}button{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);cursor:pointer;border-radius:8px;align-items:center;gap:6px;min-height:36px;padding:7px 10px;font-size:14px;display:inline-flex}button:hover{border-color:var(--muted)}.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}.song{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin:20px 0;padding:16px}.song-head{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.song-name{flex:320px;min-width:0}.song h2{margin:0;font-size:22px;line-height:1.3}#title{white-space:nowrap;overflow:hidden}.marquee-track{gap:var(--gap,0);display:inline-flex}.marquee-text+.marquee-text{display:none}#title.scrolling{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 24px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 24px),#0000)}#title.scrolling .marquee-text+.marquee-text{display:inline}#title.scrolling .marquee-track{animation:marquee var(--duration) linear infinite}@keyframes marquee{0%,20%{transform:translate(0)}to{transform:translateX(calc(-1 * var(--distance)))}}@media (prefers-reduced-motion:reduce){#title.scrolling{text-overflow:ellipsis;-webkit-mask-image:none;mask-image:none}#title.scrolling .marquee-track{animation:none;display:inline}#title.scrolling .marquee-text+.marquee-text{display:none}}.title-aside{color:var(--muted);font-weight:500}.meta{color:var(--muted);margin:2px 0 0}.clock{font-variant-numeric:tabular-nums}.actions{white-space:nowrap;flex-wrap:nowrap;flex:0 auto;align-items:flex-start;gap:8px;display:flex}.toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;min-height:36px;padding:0 4px;font-size:14px;display:inline-flex}.toggle input{width:16px;height:16px;accent-color:var(--accent);margin:0}#play{justify-content:center;min-width:84px}@media (max-width:520px){.actions{gap:6px}#midi{justify-content:center;width:36px;padding:0}#midi .label{display:none}#play{min-width:72px}}.when-playing,body.playing .when-stopped{display:none}body.playing .when-playing{display:inline}.icon-button{justify-content:center;width:36px;padding:0}.line-icon{fill:none;stroke:currentColor;stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round}.form{gap:3px;margin:8px -8px -8px;padding:8px;list-style:none;display:flex;overflow:hidden}.sec .short,.sec.short .full{display:none}.sec.short .short{display:inline}.sec.bare .short{display:none}.sec{color:#1c1917;background:var(--c,var(--sec-quiet));white-space:nowrap;text-overflow:ellipsis;text-align:center;border-radius:4px;flex-basis:0;min-width:0;padding:6px 4px;font-size:11px;overflow:hidden}.sec-intro,.sec-outro,.sec-finale{--c:var(--sec-intro)}.sec-verse,.sec-vamp{--c:var(--sec-verse)}.sec-pre{--c:var(--sec-pre)}.sec-chorus,.sec-lift{--c:var(--sec-chorus)}.sec-bridge{--c:var(--sec-bridge)}.sec-solo,.sec-solo2{--c:var(--sec-solo)}.sec-riff{--c:var(--sec-riff)}.sec-drumBreak{--c:var(--sec-break)}.timeline{position:relative}.playhead{background:var(--playhead);width:2px;box-shadow:0 0 0 1px color-mix(in srgb, var(--panel) 70%, transparent);pointer-events:none;will-change:transform;border-radius:1px;position:absolute;left:-1px}.playhead:before{content:"";border-style:solid;border-width:7px 5px 0;border-color:var(--playhead) transparent transparent;position:absolute;top:-6px;left:50%;transform:translate(-50%)}.playhead[hidden]{display:none}.sec.now{filter:brightness(1.12)saturate(1.15);box-shadow:0 0 0 2px var(--panel), 0 0 10px 3px var(--c,var(--sec-quiet));font-weight:600;animation:1.6s ease-in-out infinite alternate glow;position:relative}@keyframes glow{0%{box-shadow:0 0 0 2px var(--panel), 0 0 6px 1px var(--c,var(--sec-quiet))}to{box-shadow:0 0 0 2px var(--panel), 0 0 14px 5px var(--c,var(--sec-quiet))}}@media (prefers-reduced-motion:reduce){.sec.now{animation:none}}.debug{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin:0 0 20px;padding:16px}.debug h2,.debug h3{margin:0;font-size:16px}.debug-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;display:flex}.debug-note{color:var(--muted);margin:0;font-size:13px}.debug-rows{grid-template-columns:max-content 1fr minmax(180px,280px);align-items:center;gap:4px 16px;margin:12px 0 20px;display:grid}.debug-row{display:contents}.debug-label{font-size:14px;font-weight:600}.debug-row.changed .debug-label:after{content:" •";color:var(--accent)}.debug-plays{color:var(--muted);font-size:13px}.debug select{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;min-width:0;padding:5px 8px;font-size:14px}.debug-actions{gap:8px;display:flex}.debug-changes{background:var(--bg);border:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:8px;margin:8px 0 0;padding:10px 12px;font-size:13px}@media (max-width:640px){.debug-rows{display:block}.debug-row{grid-template-columns:1fr minmax(0,1.4fr);grid-template-areas:"label menu""plays plays";align-items:center;gap:2px 12px;margin-bottom:10px;display:grid}.debug-label{grid-area:label}.debug-row select{grid-area:menu}.debug-plays{grid-area:plays}}.error{color:var(--error);margin:12px 0 0;font-size:13px}.error[hidden]{display:none}.icon{place-items:center;width:16px;height:16px;display:inline-grid}.busy .icon svg{display:none}.busy .icon{border:2px solid;border-right-color:#0000;border-radius:50%;animation:.8s linear infinite spin}button:disabled{cursor:progress;opacity:.75}@keyframes spin{to{transform:rotate(1turn)}}footer{color:var(--muted);margin-top:16px;padding-bottom:32px;font-size:13px}