:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f5f7f8;--panel:#fff;--text:#172026;--muted:#5c6870;--line:#d7dee2;--accent:#146c75;--accent-strong:#0d4f56;--ok:#2f855a;--warn:#b7791f;--danger:#c53030;--blue:#2b6cb0;--shadow:0 14px 40px #17202614}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;color:var(--text);margin:0;font-family:Noto Sans JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer;touch-action:manipulation}.app-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:24px 0 40px}.hero{grid-template-columns:1fr auto;align-items:end;gap:20px;padding:18px 0 24px;display:grid}h1,h2,p{margin-top:0}.brand-lockup{align-items:center;gap:clamp(12px,2vw,20px);margin-bottom:10px;display:flex}.app-logo{object-fit:contain;border-radius:20%;flex:none;width:clamp(56px,8vw,92px);height:clamp(56px,8vw,92px);transform:translateY(clamp(2px,.45vw,6px))}h1{color:var(--accent-strong);white-space:nowrap;text-shadow:0 2px #146c751a;max-width:920px;margin-bottom:0;font-family:Yuji Syuku,Noto Sans JP,serif;font-size:clamp(2rem,5.6vw,4.6rem);font-weight:400;line-height:1.02}h2{color:var(--accent-strong);margin-bottom:4px;font-family:Yuji Syuku,Noto Sans JP,serif;font-size:1.05rem;font-weight:400}.with-icon{align-items:center;gap:10px;display:flex}.heading-icon{object-fit:contain;flex:none;width:30px;height:30px}.lead{max-width:760px;color:var(--muted);margin-bottom:0;line-height:1.75}.privacy-note{border:1px solid var(--line);background:var(--panel);min-height:40px;color:var(--muted);white-space:nowrap;border-radius:8px;align-items:center;gap:8px;padding:8px 12px;display:inline-flex}.status-dot{background:var(--ok);border-radius:999px;width:10px;height:10px}.practice-layout{grid-template-columns:minmax(280px,360px) minmax(0,1fr);align-items:stretch;gap:16px;min-width:0;display:grid}.control-panel,.graph-panel,.settings-panel,.summary-panel,.audio-file-panel{border:1px solid var(--line);background:var(--panel);min-width:0;box-shadow:var(--shadow);border-radius:8px}.control-panel,.settings-panel{grid-column:1;padding:18px}.summary-panel,.audio-file-panel{grid-column:1/-1;padding:18px}.app-footer{color:var(--muted);text-align:center;padding:18px 0 0}.app-footer small{gap:2px;font-size:.82rem;line-height:1.6;display:grid}.app-footer a{color:var(--accent-strong);text-underline-offset:.18em}.build-info{color:var(--muted)}.graph-panel{grid-area:1/2/span 2;padding:18px;scroll-margin-top:12px}.panel-header{justify-content:space-between;align-items:flex-start;gap:14px;min-width:0;display:flex}.panel-header>div{min-width:0}.panel-header p{color:var(--muted);margin-bottom:0}.note-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:18px 0;display:grid}.note-button{border:1px solid var(--line);min-height:72px;color:var(--text);background:#f9fbfb;border-radius:8px}.note-button strong{font-size:1.2rem;display:block}.note-button span{color:var(--muted);margin-top:4px;font-size:.8rem;display:block}.note-button[aria-pressed=true]{border-color:var(--accent);color:var(--accent-strong);background:#e7f3f4}.graph-target-control{display:none}.target-note-strip{min-width:0}.target-note-button{border:1px solid var(--line);color:var(--text);background:#fff;border-radius:8px}.target-note-button strong,.target-note-button span{display:block}.target-note-button span{color:var(--muted)}.target-note-button[aria-pressed=true]{border-color:var(--accent);color:var(--accent-strong);background:#e7f3f4}.action-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.compatibility-note{color:#6d5620;background:#fff8e6;border:1px solid #ead8a8;border-radius:8px;margin:10px 0 0;padding:10px 12px;font-size:.86rem;line-height:1.6}.primary-button,.secondary-button,.icon-button{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 14px;font-weight:700;display:inline-flex}.primary-button,.secondary-button{min-height:48px}.primary-button{background:var(--accent);color:#fff}.primary-button:hover{background:var(--accent-strong)}.primary-button.is-active{border-color:var(--danger);color:var(--danger);background:#fff}.secondary-button,.icon-button{border-color:var(--line);color:var(--text);background:#fff}.secondary-button:not(:disabled),.icon-button:not(:disabled){cursor:pointer}.secondary-button:disabled,.icon-button:disabled{color:#8b969d;cursor:not-allowed;opacity:.72;background:#eef2f3;border-color:#dfe5e8}.secondary-button:not(:disabled):hover,.secondary-button:not(:disabled):focus-visible,.icon-button:not(:disabled):hover,.icon-button:not(:disabled):focus-visible{border-color:var(--accent);color:var(--accent-strong);outline:none;box-shadow:0 0 0 3px #146c751f}.clear-graph-button{width:44px;min-width:44px;color:var(--muted);padding:0}.clear-graph-button:hover,.clear-graph-button:focus-visible{border-color:var(--danger);color:var(--danger);outline:none;box-shadow:0 0 0 3px #c530301f}.button-icon{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:21px;height:21px}.secondary-button.is-active{border-color:var(--danger);color:var(--danger)}.loading-spinner{border:2px solid;border-right-color:#0000;border-radius:999px;width:16px;height:16px;display:none}.secondary-button.is-loading .loading-spinner{animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.icon-button.wide{min-width:132px}.setting-row{color:var(--muted);grid-template-columns:minmax(7.5em,auto) minmax(120px,1fr) auto;align-items:center;gap:12px;margin-top:18px;display:grid}.setting-row.select-row{grid-template-columns:auto 1fr}input[type=range]{width:100%;min-width:0}.setting-row output{text-align:right;min-width:4.8em}.setting-row select{border:1px solid var(--line);width:100%;min-height:44px;color:var(--text);background:#fff;border-radius:8px;padding:0 10px}.device-row{gap:8px;margin-top:18px;display:grid}.device-row label{color:var(--muted)}.device-row select{border:1px solid var(--line);width:100%;min-height:44px;color:var(--text);font:inherit;background:#fff;border-radius:8px;padding:0 10px}.device-row p{color:var(--muted);margin:0;font-size:.86rem;line-height:1.5}.graph-device-row{border:1px solid var(--line);background:#fbfcfc;border-radius:8px;grid-template-columns:auto minmax(180px,320px) minmax(0,1fr);align-items:center;margin-top:12px;padding:10px 12px}.summary-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.summary-grid>div,.voice-range-grid>div{border:1px solid var(--line);background:#fbfcfc;border-radius:8px;min-height:76px;padding:12px}.label{color:var(--muted);margin-bottom:6px;font-size:.82rem;display:block}.summary-grid strong{font-size:1.35rem}.file-analysis-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end;gap:12px;margin-top:16px;display:grid}.audio-action-row{flex-wrap:wrap;align-items:stretch;gap:8px 12px;margin-top:10px;display:flex}#analyzeAudioFileButton{min-width:96px}.audio-action-row>.secondary-button{align-self:flex-start}.dev-tools-panel{max-width:680px;margin-top:10px}.dev-tools-panel summary{width:fit-content;min-height:36px;color:var(--muted);cursor:pointer;font-weight:700;line-height:1.4}.dev-tools-panel summary::marker{color:var(--accent)}.dev-tools-actions{flex-wrap:wrap;gap:8px;margin-top:8px;padding-left:18px;display:flex}.file-picker{color:var(--muted);gap:7px;font-weight:700;display:grid}.file-picker input{border:1px solid var(--line);width:100%;min-height:44px;color:var(--text);background:#fff;border-radius:8px;padding:9px 10px}.checkbox-row{cursor:pointer;align-items:center;gap:8px;display:inline-flex}.playback-file-picker input[type=checkbox]{width:18px;min-height:18px;padding:0}.vocal-extraction-row{width:fit-content;color:var(--text);margin-top:12px;font-weight:700}.vocal-extraction-row input{width:18px;min-height:18px}.playback-source-row,.pitch-estimator-row,.vocal-model-row{grid-template-columns:auto minmax(160px,1fr);max-width:420px;margin-top:10px}.playback-source-row{grid-template-columns:auto minmax(150px,220px) auto;align-items:center;max-width:480px}.download-vocal-button{width:44px;min-width:44px;color:var(--muted);padding:0}.model-select-row{grid-template-columns:auto minmax(160px,1fr) auto;align-items:center;max-width:460px;position:relative}.setting-help{max-width:680px;color:var(--muted);margin:6px 0 0;font-size:.9rem;line-height:1.6}.info-note{color:#17324d;background:linear-gradient(90deg,#2f74b5 0 4px,#f2f8ff 4px);border:1px solid #b8d7f0;border-radius:8px;grid-template-columns:22px minmax(0,1fr);align-items:start;gap:10px;padding:10px 12px 10px 16px;display:grid}.info-note-icon{color:#fff;background:#2f74b5;border:1px solid #2f74b5;border-radius:50%;place-items:center;width:22px;height:22px;margin-top:2px;font-family:Georgia,Times New Roman,serif;font-size:.9rem;font-weight:800;line-height:1;display:inline-grid}.compact-info-note{background:0 0;border:0;width:fit-content;margin:0;padding:0;display:inline-grid}.compact-info-note .info-note-icon{cursor:help;outline:none}.compact-info-note .info-note-icon:focus-visible{box-shadow:0 0 0 3px #2f74b53d}.info-note-popup{z-index:10;color:#17324d;opacity:0;pointer-events:none;background:linear-gradient(90deg,#2f74b5 0 4px,#f2f8ff 4px);border:1px solid #b8d7f0;border-radius:8px;width:auto;padding:10px 12px 10px 16px;line-height:1.6;transition:opacity .12s,transform .12s;position:absolute;top:calc(100% + 8px);left:0;right:0;transform:translateY(-4px);box-shadow:0 14px 32px #11182729}.compact-info-note:hover .info-note-popup,.compact-info-note:focus-within .info-note-popup{opacity:1;pointer-events:auto;transform:translateY(0)}.playback-file-picker input[type=file]:disabled{opacity:.55;cursor:not-allowed}.file-analysis-status{color:var(--muted);margin:12px 0 0;line-height:1.6}.file-analysis-status.is-error{color:#5a1d1d;background:linear-gradient(90deg,#b83f3f 0 4px,#fff5f5 4px);border:1px solid #f0b8b8;border-radius:8px;padding:10px 12px 10px 16px}.memory-status{color:var(--muted);font-variant-numeric:tabular-nums;margin:4px 0 0;font-size:.9rem;font-weight:700}.audio-playback-status{color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;flex:520px;justify-content:flex-start;align-items:center;gap:8px 12px;margin-top:8px;font-weight:700;display:flex}.audio-action-row .audio-playback-status{margin-top:0}.audio-transport-controls{flex-wrap:wrap;gap:8px;display:flex}.audio-transport-controls .secondary-button{min-width:88px}.audio-transport-controls .secondary-button:not(:disabled){background:#fff;border-width:2px;box-shadow:0 2px #17202614}#playAudioFileButton:not(:disabled){color:#216341;border-color:#2f855a}#pauseAudioFileButton:not(:disabled){color:#7a4c12;border-color:#a86d1d}#stopAudioFileButton:not(:disabled){border-color:var(--danger);color:var(--danger)}.audio-seek-controls{flex-wrap:wrap;gap:6px;display:flex}.mini-button{border:1px solid var(--line);min-height:34px;color:var(--text);cursor:pointer;background:#fff;border-radius:8px;padding:6px 9px;font-weight:700}.mini-button:disabled{opacity:.5;cursor:not-allowed}.voice-range-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px;display:grid}.voice-range-grid strong{font-size:1.16rem;line-height:1.25;display:block}.audio-range-viewport{width:100%;min-width:0;max-width:100%;margin-top:14px;position:relative}.audio-range-scroll{scrollbar-gutter:stable;width:100%;min-width:0;max-width:100%;overflow:auto hidden}#audioRangeAxisCanvas{z-index:1;border:1px solid var(--line);pointer-events:none;background:#fbfcfc;border-right:0;border-radius:8px 0 0 8px;width:54px;height:260px;display:block;position:absolute;top:0;left:0}#audioRangeCanvas{border:1px solid var(--line);touch-action:none;background:#fbfcfc;border-radius:8px;width:100%;min-width:100%;height:260px;display:block}#audioRangeCanvas.is-hovering-playback-cursor{cursor:col-resize}#audioRangeCanvas.is-dragging-playback-cursor{cursor:grabbing}.graph-status{border:1px solid var(--line);color:var(--muted);background:#fbfcfc;border-radius:8px;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:14px;padding:10px 12px;display:flex;position:relative}.graph-status strong,.graph-status b{color:var(--text)}.detection-readout,.combo-readout,.score-readout,.status-help{align-items:center;display:inline-flex}.detection-readout,.combo-readout,.score-readout{gap:5px}.combo-tier-badge{color:#fff;letter-spacing:.02em;white-space:nowrap;background:#2b6cb0;border-radius:999px;margin-left:4px;padding:2px 9px;font-size:.78rem;font-weight:800}.combo-tier-badge[data-tier="1"]{background:#15857d}.combo-tier-badge[data-tier="2"]{background:#2f9e44}.combo-tier-badge[data-tier="3"]{background:#e09f10}.combo-tier-badge[data-tier="4"]{background:#e8590c;animation:.9s ease-in-out infinite combo-tier-pulse}@keyframes combo-tier-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.record-note{color:var(--muted);margin-top:4px;font-size:.78rem;display:block}.record-note.is-new-record{color:#b7791f;font-weight:800;animation:1.2s ease-in-out infinite record-note-glow}@keyframes record-note-glow{0%,to{opacity:1}50%{opacity:.55}}@media (prefers-reduced-motion:reduce){.combo-tier-badge[data-tier="4"],.record-note.is-new-record{animation:none}}.status-help{margin-left:-8px}.info-button{color:#fff;cursor:help;background:#2f74b5;border:1px solid #2f74b5;border-radius:50%;place-items:center;width:22px;min-width:22px;height:22px;padding:0;font-family:Georgia,Times New Roman,serif;font-size:.9rem;font-weight:800;line-height:1;display:inline-grid}.info-button:hover,.info-button:focus,.info-button:focus-visible{background:#2f74b5;border-color:#2f74b5;outline:none;box-shadow:0 0 0 3px #2f74b53d}.tooltip{z-index:2;color:#17324d;opacity:0;pointer-events:none;background:linear-gradient(90deg,#2f74b5 0 4px,#f2f8ff 4px);border:1px solid #b8d7f0;border-radius:8px;width:min(320px,100% - 24px);padding:10px 12px 10px 16px;line-height:1.6;transition:opacity .12s,transform .12s;position:absolute;top:calc(100% + 8px);left:12px;transform:translateY(-4px);box-shadow:0 14px 32px #11182729}.info-button:hover+.tooltip,.info-button:focus+.tooltip,.info-button:focus-visible+.tooltip{opacity:1;transform:translateY(0)}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}#pitchCanvas{border:1px solid var(--line);background:#fbfcfc;border-radius:8px;width:100%;height:min(58vh,500px);min-height:340px;margin-top:14px;display:block}@media (width<=1080px){.hero{grid-template-columns:1fr}.privacy-note{white-space:normal;justify-self:start}}@media (width<=820px){.app-shell{width:min(100% - 20px,720px);padding-top:12px}.hero{gap:12px;padding-bottom:16px}.lead{line-height:1.65}.practice-layout{grid-template-columns:1fr}.control-panel,.graph-panel,.settings-panel,.summary-panel,.audio-file-panel{grid-area:auto}.summary-grid,.voice-range-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.panel-header{align-items:stretch}.graph-target-control{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;margin-top:10px;display:grid}.graph-target-control>span{color:var(--muted);white-space:nowrap;font-size:.86rem;font-weight:700}.target-note-strip{overscroll-behavior-inline:contain;scroll-snap-type:x proximity;scrollbar-width:thin;gap:6px;padding-bottom:2px;display:flex;overflow-x:auto}.target-note-button{scroll-snap-align:start;flex:0 0 58px;min-height:48px;padding:4px 6px}.target-note-button strong{font-size:.96rem}.target-note-button span{margin-top:1px;font-size:.68rem}#pitchCanvas{height:min(50svh,420px);min-height:300px}}@media (width<=520px){body{padding-bottom:calc(72px + env(safe-area-inset-bottom));font-size:16px}.app-shell{width:min(100% - 16px,480px);padding-top:10px}.hero{padding-bottom:12px}.brand-lockup{align-items:center;gap:10px;margin-bottom:6px}.app-logo{width:46px;height:46px;transform:none}h1{white-space:normal;font-size:clamp(1.7rem,7.6vw,2.25rem)}h2{font-size:1rem}.lead{font-size:.96rem}.privacy-note{min-height:36px;padding:7px 10px;font-size:.86rem}.control-panel,.graph-panel,.settings-panel,.summary-panel,.audio-file-panel{padding:18px}.panel-header{gap:10px}.heading-icon{width:26px;height:26px}.note-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:14px 0}.note-button{min-height:58px;padding:6px 4px}.note-button strong{font-size:1.08rem}.note-button span{margin-top:2px;font-size:.74rem}.action-row{z-index:5;padding:10px max(10px, env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-right));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#f5f7f8f5;grid-template-columns:1fr 1fr;gap:8px;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -10px 28px #1720261f}.primary-button,.secondary-button{min-height:54px;padding:0 12px;font-size:1rem}.setting-row{grid-template-columns:1fr;gap:8px;margin-top:14px}.playback-source-row,.setting-row.select-row{grid-template-columns:1fr}.setting-row output{text-align:left;min-width:0}.compatibility-note{margin-top:12px;font-size:.8rem}.device-row{margin-top:14px}.graph-device-row{grid-template-columns:1fr}.graph-status{grid-template-columns:1fr auto;align-items:center;gap:8px 12px;font-size:.9rem;display:grid}.graph-status strong{grid-column:1/-1;font-size:1.02rem}.graph-target-control{grid-template-columns:1fr;gap:6px}.target-note-button{flex-basis:52px;min-height:46px}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.summary-grid>div{min-height:68px;padding:10px}.summary-grid strong,.voice-range-grid strong{font-size:1.05rem}.file-analysis-controls{grid-template-columns:1fr;align-items:stretch;gap:16px;margin-top:18px}.file-picker{gap:9px;font-size:.98rem}.file-picker input{min-height:52px;padding:11px 12px;font-size:1rem}.audio-action-row{grid-template-columns:1fr;gap:12px;margin-top:16px;display:grid}#analyzeAudioFileButton{width:100%}.dev-tools-actions{padding-left:0}.dev-tools-actions .secondary-button{width:100%}.audio-playback-status{flex-direction:column;align-items:stretch;gap:12px}.audio-transport-controls{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.audio-transport-controls .secondary-button{min-width:0}.audio-seek-controls{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.mini-button{min-height:42px;padding:8px 6px;font-size:.95rem}#audioPlaybackTime{text-align:right;font-size:1.08rem}#audioRangeCanvas,#audioRangeAxisCanvas{height:340px}#pitchCanvas{height:min(48svh,340px);min-height:280px}.icon-button.wide{min-width:0}}