:root{--ground:#eff2f3;--surface:#fff;--ink:#17232b;--muted:#5c6b75;--line:#dce2e5;--accent:#0e7c72;--accent-ink:#fff;--accent-soft:#0e7c7214;--loop:#c2571b;--loop-soft:#c2571b1f;--wave-base:#c3cdd2;--wave-played:#0e7c72;--wave-cursor:#17232b;--danger:#b3402e;--shadow:0 1px 2px #17232b0f, 0 8px 24px #17232b12}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--ground:#0e161b;--surface:#16222a;--ink:#e3eaed;--muted:#8fa1ab;--line:#24333c;--accent:#37c0b0;--accent-ink:#0b1518;--accent-soft:#37c0b01a;--loop:#e08a4e;--loop-soft:#e08a4e24;--wave-base:#33454f;--wave-played:#37c0b0;--wave-cursor:#e3eaed;--danger:#e07a66;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000059}}:root[data-theme=dark]{--ground:#0e161b;--surface:#16222a;--ink:#e3eaed;--muted:#8fa1ab;--line:#24333c;--accent:#37c0b0;--accent-ink:#0b1518;--accent-soft:#37c0b01a;--loop:#e08a4e;--loop-soft:#e08a4e24;--wave-base:#33454f;--wave-played:#37c0b0;--wave-cursor:#e3eaed;--danger:#e07a66;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000059}*{box-sizing:border-box}body{background:var(--ground);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Instrument Sans,Hiragino Sans,Noto Sans JP,system-ui,sans-serif;line-height:1.6}.mono{font-variant-numeric:tabular-nums;font-family:Spline Sans Mono,SF Mono,Menlo,Consolas,monospace}.app{flex-direction:column;gap:20px;max-width:680px;margin:0 auto;padding:40px 20px 56px;display:flex}header.masthead{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.brand{letter-spacing:-.02em;margin:0;font-size:22px;font-weight:600}.brand .dot{color:var(--accent)}.tagline{color:var(--muted);margin:0;font-size:13px}.dropzone{border:1.5px dashed var(--line);background:var(--surface);text-align:center;cursor:pointer;border-radius:14px;padding:56px 24px;transition:border-color .15s,background-color .15s}.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent)}.dropzone.dragover{border-color:var(--accent);background:var(--accent-soft)}.dropzone:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.dz-glyph{width:48px;height:48px;color:var(--accent);margin:0 auto 16px}.dz-title{margin:0 0 6px;font-size:16px;font-weight:600}.dz-sub{color:var(--muted);margin:0;font-size:13px}#file-input{display:none}.player{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;gap:18px;padding:20px;display:none}.player.active{display:flex}.filebar{justify-content:space-between;align-items:center;gap:12px;min-width:0;display:flex}.filename{white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:13px;font-weight:500;overflow:hidden}.btn-ghost{appearance:none;border:1px solid var(--line);color:var(--muted);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;padding:5px 12px;font-size:12px;transition:color .15s,border-color .15s}.btn-ghost:hover{color:var(--ink);border-color:var(--muted)}.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.wave-wrap{position:relative}#wave{cursor:crosshair;touch-action:none;border-radius:8px;width:100%;height:110px;display:block}.decode-note{color:var(--muted);pointer-events:none;justify-content:center;align-items:center;font-size:12px;display:none;position:absolute;inset:0}.decode-note.show{display:flex}.timeline{justify-content:space-between;align-items:baseline;display:flex}.time-now{letter-spacing:.01em;font-size:26px;font-weight:500}.time-total{color:var(--muted);font-size:13px}.transport{justify-content:center;align-items:center;gap:20px;display:flex}.btn-skip{appearance:none;border:1px solid var(--line);color:var(--ink);cursor:pointer;background:0 0;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:1px;width:52px;height:52px;font-family:Spline Sans Mono,monospace;font-size:11px;transition:border-color .15s,background-color .15s;display:flex}.btn-skip:hover{border-color:var(--accent);background:var(--accent-soft)}.btn-skip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-skip svg{width:16px;height:16px}.btn-play{appearance:none;background:var(--accent);color:var(--accent-ink);cursor:pointer;width:72px;height:72px;box-shadow:var(--shadow);border:none;border-radius:50%;justify-content:center;align-items:center;transition:transform .12s,filter .15s;display:flex}.btn-play:hover{filter:brightness(1.06)}.btn-play:active{transform:scale(.96)}.btn-play:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.btn-play svg{width:28px;height:28px}.section-label{letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;font-size:11px;font-weight:600}.speed-head{justify-content:space-between;align-items:baseline;margin-bottom:4px;display:flex}.speed-value{color:var(--accent);font-size:20px;font-weight:500}input[type=range]{appearance:none;cursor:pointer;background:0 0;width:100%;height:28px;margin:0}input[type=range]::-webkit-slider-runnable-track{background:var(--line);border-radius:2px;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);border:none;border-radius:50%;width:20px;height:20px;margin-top:-8px}input[type=range]::-moz-range-track{background:var(--line);border-radius:2px;height:4px}input[type=range]::-moz-range-thumb{background:var(--accent);border:none;border-radius:50%;width:20px;height:20px}input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.presets{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.preset{appearance:none;border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;border-radius:8px;flex:1 1 0;min-width:56px;padding:5px 0;font-family:Spline Sans Mono,monospace;font-size:13px;transition:color .15s,border-color .15s,background-color .15s}.preset:hover{border-color:var(--accent);color:var(--ink)}.preset.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.preset:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pitch-row{color:var(--muted);align-items:center;gap:8px;margin-top:12px;font-size:13px;display:flex}.pitch-row input{accent-color:var(--accent);width:16px;height:16px}.loop-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn-loop{appearance:none;border:1px solid var(--line);color:var(--ink);font:inherit;cursor:pointer;background:0 0;border-radius:8px;padding:7px 14px;font-size:13px;transition:border-color .15s,background-color .15s}.btn-loop:hover{border-color:var(--loop)}.btn-loop.set{background:var(--loop-soft);border-color:var(--loop);color:var(--ink)}.btn-loop:focus-visible{outline:2px solid var(--loop);outline-offset:2px}.loop-status{color:var(--muted);margin-left:auto;font-size:12px}.loop-status .mono{color:var(--loop)}.record-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.record-status{color:var(--muted);align-items:center;gap:6px;font-size:13px;display:flex}.record-dot{background:var(--danger);border-radius:50%;width:8px;height:8px;animation:1.2s ease-in-out infinite record-pulse}@keyframes record-pulse{0%,to{opacity:1}50%{opacity:.3}}.record-audio{flex:200px;min-width:160px;height:32px}.ipa-input{resize:vertical;width:100%;font:inherit;color:var(--ink);background:var(--ground);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px}.ipa-input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ipa-status{color:var(--muted);margin:8px 0 0;font-size:12px}.ipa-words{flex-wrap:wrap;gap:8px 14px;margin-top:12px;display:flex}.ipa-word{flex-direction:column;align-items:center;gap:2px;display:flex}.ipa-word-text{color:var(--muted);font-size:12px}.ipa-word-ipa{font-size:14px}.shortcuts{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;gap:6px 18px;padding-top:14px;font-size:12px;display:flex}kbd{background:var(--ground);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-family:Spline Sans Mono,monospace;font-size:11px}.error{color:var(--danger);margin:0;font-size:13px;display:none}.error.show{display:block}footer.privacy{color:var(--muted);text-align:center;text-wrap:balance;font-size:12px}@media (prefers-reduced-motion:reduce){*{transition:none!important}}