@charset "UTF-8";
:root{color-scheme:dark;--bg:#0b0b12;--panel:#14131e;--line:#34313f;--text:#f4f1fb;--muted:#b4aebf;--accent:#bd9bff;--green:#81d6b7;--blue:#86bfff;--orange:#ffbb84;font-family:Inter,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.75}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 75% 0%,#33204633,transparent 45%),var(--bg);color:var(--text)}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button:disabled{cursor:wait;opacity:.65}.skip{position:absolute;left:16px;top:-100px;padding:10px;background:var(--text);color:var(--bg);z-index:9}.skip:focus{top:10px}.masthead{max-width:1120px;padding:26px 32px;margin:auto;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.wordmark,footer>a{font-family:Georgia,"Times New Roman",serif;letter-spacing:.15em;text-decoration:none;font-size:20px}.masthead>span{font-size:12px;letter-spacing:.17em;color:var(--muted)}main{max-width:1000px;margin:auto;padding:36px 32px 0}.intro{margin-bottom:28px}.eyebrow{font-size:12px;color:var(--accent);letter-spacing:.18em;font-weight:700;margin:0 0 8px}h1{font-size:clamp(29px,4vw,42px);font-weight:600;line-height:1.4;letter-spacing:.025em;margin:8px 0 12px}.intro>p:last-child{color:var(--muted);margin:0;font-size:16px}.mobile-break{display:none}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-bottom:22px;border-bottom:1px solid var(--line)}.mode-switch button{background:none;color:var(--muted);border:0;border-bottom:2px solid transparent;padding:14px 10px;text-align:left;font-weight:650}.mode-switch button.active{color:var(--text);border-bottom-color:var(--accent)}.mode-switch button>span{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:2px}.player-panel{border:1px solid #494053;border-radius:16px;padding:30px;background:linear-gradient(135deg,#211a2a70,transparent 65%),var(--panel);box-shadow:0 12px 40px #0003;scroll-margin-top:20px}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.panel-heading h2{font-size:22px;line-height:1.4;margin:0}.level-badge{font-size:12px;color:var(--muted);text-align:right;line-height:1.6}.level-badge b{color:var(--text);display:block;font-size:14px;font-weight:500}.segment-row{display:flex;align-items:center;gap:18px;margin:24px 0 20px;font-size:14px;color:var(--muted)}#segments{display:flex;gap:6px}#segments button{background:#1b1925;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:5px 12px;font-size:14px}#segments button.active{background:#f3effa;color:#17111f;border-color:#f3effa}.conditions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.conditions button{display:flex;flex-direction:column;gap:2px;align-items:flex-start;text-align:left;background:#181622;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:14px 12px;min-height:70px;transition:background .12s,border-color .12s}.conditions button>strong{font-size:16px;font-weight:600;color:var(--text)}.conditions button>span{font-size:12px;color:var(--muted)}.conditions button.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:#352347}.conditions button:hover{background:#2c2438}.track-display{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:28px}.track-kicker{font-size:12px;letter-spacing:.16em;color:var(--muted)}.track-display h3{font-size:24px;line-height:1.2;margin:6px 0 0;font-weight:500}.take-label{font-size:12px;color:var(--muted)}.waveform{display:flex;align-items:center;gap:3px;height:68px;margin:18px 0 10px;overflow:hidden}.waveform i{display:block;flex:1;min-width:1px;background:#635274;border-radius:2px;height:var(--height,4px);transition:background .08s}.waveform i.played{background:var(--accent)}audio{width:100%;height:48px;display:block}.player-status{margin:12px 0 4px;font-size:14px;color:var(--text);min-height:25px}.player-hint{color:var(--muted);font-size:13px;margin:0}.retry{background:#342044;border:1px solid var(--accent);color:var(--text);border-radius:6px;margin-top:12px;padding:8px 16px}.results{margin-top:54px}.section-heading h2{font-size:24px;font-weight:550;margin:0 0 20px}.result-intro{font-size:18px;max-width:44em;margin:0 0 24px}.result-intro strong{color:var(--accent)}.table-scroll{overflow-x:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 18px}table{border-collapse:collapse;width:100%;min-width:540px;font-size:14px;text-align:left}th,td{padding:14px 12px;border-bottom:1px solid #34313f80;font-variant-numeric:tabular-nums}th:first-child,td:first-child{padding-left:0}thead th{color:var(--muted);font-size:13px;font-weight:500}tbody th{font-weight:500}tbody tr:last-child>*{border-bottom:0}td{white-space:nowrap}thead th:nth-child(2){color:var(--green)}thead th:nth-child(3){color:var(--blue)}thead th:nth-child(4){color:var(--orange)}.note{font-size:13px;color:var(--muted);margin:12px 0}.setting-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}.setting-notes h3{font-size:16px;margin:0 0 8px}.setting-notes p{font-size:16px;color:var(--muted);margin:0}.setting-notes>div:nth-child(1) h3{color:var(--green)}.setting-notes>div:nth-child(2) h3{color:var(--blue)}.setting-notes>div:nth-child(3) h3{color:var(--orange)}.method{border-top:1px solid var(--line);margin-top:38px;padding:22px 0}summary{cursor:pointer;font-size:15px;padding:4px 0}.method details>div{padding-top:12px;color:var(--muted);font-size:14px}.method ul{padding-left:1.3em}.method li{margin:8px 0}.method a{text-underline-offset:3px}.prompt-text{font-family:inherit;padding:18px;border:1px solid var(--line);border-radius:8px;font-size:14px;color:var(--muted);overflow-wrap:anywhere}footer{padding:32px 0 28px;margin-top:10px;border-top:1px solid var(--line);display:flex;align-items:center;gap:24px;justify-content:space-between}footer>a{font-size:16px}footer p{font-size:12px;color:var(--muted);margin:0} [hidden]{display:none!important}
@media(max-width:640px){.masthead{padding:20px}.masthead>span{font-size:12px}.wordmark{font-size:17px}main{padding:26px 18px 0}.mobile-break{display:block}.intro{margin-bottom:20px}.intro>p:last-child{font-size:16px}.mode-switch button{font-size:14px;padding:12px 5px}.mode-switch button>span{font-size:12px}.player-panel{padding:20px 16px;border-radius:12px}.panel-heading{gap:12px}.panel-heading h2{font-size:18px}.conditions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.conditions button{padding:10px 12px;min-height:62px}.track-display{margin-top:22px}.track-display h3{font-size:21px}.waveform{gap:2px;height:54px}.segment-row{margin:20px 0 16px}.results{margin-top:36px}.setting-notes{grid-template-columns:1fr;gap:18px}.result-intro{font-size:16px}footer{flex-direction:column;align-items:flex-start;gap:12px}.take-label{font-size:12px}.level-badge{font-size:12px}.level-badge b{font-size:13px}}
.conditions.prompt-conditions{grid-template-columns:repeat(2,minmax(0,1fr))}.track-picker{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.track-picker-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;font-size:14px}.track-picker-heading span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.track-picker-controls{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px}.track-picker-controls select,.track-picker-controls button{font:inherit;min-height:44px;border-radius:7px;border:1px solid var(--line);background:#1b1925;color:var(--text);padding:8px 14px}.track-picker-controls select{width:100%;cursor:pointer}.track-picker-controls select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.track-picker-controls :disabled{opacity:.45;cursor:default}.track-picker-controls button:hover:enabled{background:#352347}.track-display h3{line-height:1.5}.take-label{text-align:right}@media(max-width:640px){.track-picker-controls{gap:7px}.track-picker-controls button{padding:8px 12px}.track-display{align-items:flex-start;flex-direction:column;gap:8px}.take-label{text-align:left}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.measurement-chart{margin:24px 0 32px;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.measurement-chart h3{font-size:19px;margin:0 0 8px;line-height:1.5}.chart-description{font-size:14px;color:var(--muted);margin:0 0 20px}.chart-axis,.chart-row{display:grid;grid-template-columns:85px minmax(0,1fr) 75px;gap:14px;align-items:center}.chart-axis{font-size:12px;color:var(--muted);margin:0 0 20px}.chart-axis>div{grid-column:2;position:relative;height:20px}.chart-axis>div span{position:absolute;transform:translateX(-50%)}.chart-axis>span{text-align:right}.chart-group{margin:20px 0}.chart-group h4{font-size:14px;font-weight:500;margin:0 0 10px;line-height:1.6}.chart-row{font-size:13px;margin:8px 0;min-height:26px}.chart-track{height:26px;position:relative;background:#24202e;border-radius:3px}.chart-track:after{content:'';position:absolute;left:var(--zero);top:-3px;bottom:-3px;width:1px;background:#d5cde5}.chart-bar{display:block;position:absolute;top:4px;height:18px;border-radius:2px}.series-0{background:var(--green)}.series-1{background:var(--blue)}.series-2{background:var(--orange)}.chart-value{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.measurement-chart>.note{margin-bottom:0}@media(max-width:640px){.measurement-chart{padding:18px 14px}.chart-axis,.chart-row{grid-template-columns:62px minmax(0,1fr) 61px;gap:9px}.chart-row{font-size:12px}.measurement-chart h3{font-size:17px}.chart-group h4{font-size:13px}}

.summary-link{display:inline-block;margin:-8px 0 20px;color:var(--accent);font-size:14px;text-underline-offset:4px}.summary-link span{margin-left:6px}.comparison-summary{margin-top:54px;scroll-margin-top:24px}.comparison-summary .section-heading h2{margin-bottom:12px}.summary-intro{color:var(--muted);margin:0 0 22px}.overview-table{table-layout:fixed;min-width:640px}.overview-table th:first-child{width:18%}.overview-table th,.overview-table td{vertical-align:top;padding:18px 16px}.overview-table th:first-child{padding-left:0}.overview-table td{white-space:normal;overflow-wrap:anywhere}.overview-table thead th{color:var(--text);font-weight:600}.overview-table tbody th{color:var(--muted)}.overview-table strong{font-weight:600;color:var(--text)}.summary-method{font-size:14px;margin:20px 0}.comparison-summary h3{font-size:15px;font-weight:600;margin:24px 0 8px}.comparison-summary .prompt-text{margin:0}.summary-caution{font-size:14px;color:var(--muted);border-left:2px solid var(--accent);padding-left:14px;margin:22px 0 0}.table-hint{display:none;color:var(--muted);font-size:12px;margin:0 0 8px}.table-scroll:focus-visible{outline:3px solid var(--accent);outline-offset:4px}@media(max-width:720px){.table-hint{display:block}}@media(max-width:640px){.comparison-summary{margin-top:36px}.overview-table th,.overview-table td{padding:14px 12px}.summary-intro{font-size:14px}}