@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#0b1019;--panel:#111824;--line:#29323f;--muted:#8c99a9;--white:#f2f5ed;--lime:#ddf66d}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--white);font:14px 'Noto Sans JP',sans-serif}button,input,select{font:inherit}button{cursor:pointer}button,input,select,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.gauge:focus-visible{outline:2px solid var(--lime);outline-offset:4px}main{max-width:1600px;margin:auto;padding:18px 40px}.drive{height:clamp(360px,61vh,730px);position:relative;isolation:isolate;overflow:hidden;border:1px solid #313c50;border-radius:5px 5px 0 0;background:#121d34}.drive canvas{display:block;width:100%;height:100%}.scene-vignette{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,#090f2240,transparent 35%,transparent 65%,#040a1ab0)}.icon-button{position:absolute;right:18px;top:18px;border:1px solid var(--line);border-radius:50%;width:36px;height:36px;background:#0b101977;color:#b9c5cf;font-size:24px}#play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border:0;padding:12px 30px;background:transparent;color:var(--lime);font:700 italic clamp(64px,7vw,100px)/1 'Barlow Condensed',sans-serif;letter-spacing:5px;text-shadow:0 3px 30px #000,0 0 36px #0009}#play:hover{color:#f0ffa8;text-shadow:0 0 22px #ddf66d80}.beat-hud{position:absolute;left:30px;bottom:32px;width:175px}.beat-caption{display:flex;justify-content:space-between;color:#b7c6d5;font:14px 'Barlow Condensed',sans-serif;letter-spacing:2px}.beats{display:flex;gap:8px;margin-top:10px}.beat{height:7px;flex:1;background:#5e768361}.beat.on{background:var(--lime);box-shadow:0 0 13px #ddf66d66}.speed-hud{position:absolute;right:34px;bottom:28px;text-align:right;width:275px;font:500 18px 'Barlow Condensed',sans-serif;color:#c3d1d9}.speed-label{display:block;letter-spacing:4px;font-size:12px}.speed-hud strong{font-size:135px;line-height:1.05;font-weight:500;font-style:italic;color:var(--white);margin-right:10px;font-variant-numeric:tabular-nums}.speed-bar{height:4px;margin-top:8px;background:#ffffff24;transform:skewX(-25deg)}.speed-bar i{display:block;height:100%;width:0;background:var(--lime)}
.controls{position:relative;background:radial-gradient(ellipse at 50% 100%,#1a2635,#101722 70%);border:1px solid var(--line);border-top:0;border-radius:0 0 5px 5px;padding:8px 18px 0}.gauge{width:100%;height:clamp(210px,26vh,290px);touch-action:none;cursor:crosshair;outline-offset:-4px!important}.gauge svg{width:100%;height:100%;overflow:visible;display:block}#gaugeTrack,#gaugeRedline,#gaugeFill{fill:none;stroke-width:3;stroke-linecap:round}#gaugeTrack{stroke:#344253}#gaugeRedline{stroke:#e15755}#gaugeFill{stroke:var(--lime);filter:drop-shadow(0 0 4px #ddf66d70)}#gaugeTicks line{stroke:#7f8b99;stroke-width:1.2}#gaugeTicks line.major{stroke:#dce5e9;stroke-width:2.4}#gaugeTicks line.red{stroke:#e15755}#gaugeTicks text{fill:#dce5e9;font:500 25px 'Barlow Condensed',sans-serif}#gaugeNeedle path{fill:#ff6158;filter:drop-shadow(0 0 4px #ff493355)}#gaugeNeedle circle{fill:#cfd5db;stroke:#283340;stroke-width:5}.tempo-readout{position:absolute;bottom:5px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:22px;padding:0 15px;background:radial-gradient(ellipse,#101722 45%,#10172200 75%)}.tempo-number{display:flex;align-items:baseline;gap:8px}.tempo-number input{appearance:textfield;-moz-appearance:textfield;background:none;border:0;color:var(--lime);font:500 72px/1 'Barlow Condensed',sans-serif;width:108px;text-align:center;padding:0}.tempo-number input::-webkit-inner-spin-button{appearance:none}.tempo-number span{font:500 16px 'Barlow Condensed',sans-serif;letter-spacing:1px;color:#a7b1bb}.step{background:#101722;border:1px solid #3b4656;color:#d4deea;border-radius:50%;width:34px;height:34px;font-size:20px;flex-shrink:0}.step:hover{border-color:var(--lime);color:var(--lime)}
.settings{margin-top:8px}.settings summary{width:max-content;margin:auto;cursor:pointer;color:#99a7b8;font-size:14px;padding:10px 22px}.settings[open]{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:0 24px 20px}.settings-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 32px;padding:12px 0}.setting{display:flex;align-items:center;gap:16px;justify-content:space-between}.setting label{font-size:14px;white-space:nowrap}select{min-width:120px;max-width:60%;color:#dce2e9;border:1px solid #344052;background:#171f2c;padding:7px 10px;border-radius:3px;font-size:14px}.volume{display:flex;align-items:center;gap:14px;color:#b7c3d1}.volume label{white-space:nowrap}.volume input{flex:1;min-width:30px}.volume output{min-width:32px;font:16px 'Barlow Condensed',sans-serif}input[type=range]{--fill:33.33%;width:100%;height:4px;appearance:none;background:linear-gradient(90deg,var(--lime) var(--fill),#394253 var(--fill));border-radius:3px;cursor:pointer;display:block;margin:12px 0}input[type=range]::-webkit-slider-thumb{appearance:none;width:15px;height:15px;border-radius:50%;background:var(--lime)}input[type=range]::-moz-range-thumb{width:15px;height:15px;border:0;border-radius:50%;background:var(--lime)}.secondary-actions{display:flex;align-items:center;justify-content:center;gap:28px;padding-top:10px}#tap{background:none;color:#c1cddd;border:1px solid #3a4556;border-radius:3px;padding:8px 14px;font:500 14px 'Barlow Condensed',sans-serif;letter-spacing:1px}#tap:active{border-color:var(--lime);color:var(--lime)}.accent-toggle{font-size:14px;display:flex;align-items:center;gap:5px;white-space:nowrap}input[type=checkbox]{accent-color:var(--lime);cursor:pointer}#notice{font-size:14px;color:#b7c6d6;text-align:center;margin:8px 0}#notice:empty{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body:fullscreen main{max-width:none}
@media(max-width:1000px){main{padding:14px 22px}.settings-panel{grid-template-columns:1fr 1fr;gap:22px}.tempo-readout{gap:16px}.gauge{height:230px}}@media(max-width:760px){main{padding:10px 12px}.drive{height:clamp(340px,55vh,550px)}.beat-hud{left:18px;bottom:26px;width:105px}.speed-hud{width:200px;right:20px;bottom:23px}.speed-hud strong{font-size:97.5px}.speed-hud>span{font-size:14px}.speed-hud .speed-label{font-size:11px}.controls{padding:10px 0 0}.gauge{height:200px}#gaugeTicks text{font-size:36px}.tempo-number input{font-size:58px;width:88px}.tempo-number span{font-size:14px}.tempo-readout{gap:12px;bottom:5px}.step{width:30px;height:30px;font-size:18px}.settings-panel{grid-template-columns:1fr}.settings[open]{padding:0 18px 18px}.settings summary{font-size:14px}.settings-panel{gap:18px}.setting select{width:155px;max-width:60%}.secondary-actions{gap:16px}}@media(max-width:400px){.speed-hud{width:173px;right:16px}.speed-hud strong{font-size:97.5px}.beat-hud{width:85px;left:16px}#gaugeTicks text{font-size:40px}.gauge{height:190px}.tempo-readout{gap:6px}.tempo-number input{font-size:54px;width:82px}}

.disclaimer{margin:14px auto 4px;max-width:1050px;color:#8c99a9;font-size:12px;line-height:1.8;text-align:center;overflow-wrap:anywhere}@media(max-width:760px){.disclaimer{text-align:left;margin:12px 4px 4px}}

.creator-credit{margin:8px 0 4px;color:#8c99a9;font-size:12px;line-height:1.8;text-align:center;letter-spacing:.04em}

.share-actions{display:flex;justify-content:center;margin:8px 0}.share-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid #3a4556;border-radius:4px;color:#c1cddd;font-size:14px;text-decoration:none;-webkit-tap-highlight-color:transparent}.share-link:hover{border-color:var(--lime);color:var(--lime)}.share-link:focus-visible{outline:2px solid var(--lime);outline-offset:4px}

.distance-hud{margin-bottom:24px;font-family:'Barlow Condensed',sans-serif;font-variant-numeric:tabular-nums;color:#dce5e9}.distance-label{display:block;color:#b7c6d5;font-size:12px;letter-spacing:2px;margin-bottom:4px}.distance-hud>div{display:flex;align-items:baseline;gap:7px}.distance-hud strong{font-size:34px;line-height:1.1;font-weight:500}.distance-unit{font-size:16px;color:#b7c6d5}.share-actions{gap:12px;align-items:center}.share-label{font-size:12px;color:#8c99a9;margin-right:4px}.share-link{width:48px;height:48px;padding:12px}.share-link img{display:block;width:24px;height:24px;object-fit:contain}@media(max-width:760px){.distance-hud{margin-bottom:20px}.distance-hud strong{font-size:28px}.distance-label{font-size:11px;letter-spacing:1.5px}}