:root{color-scheme:dark;--cyan:#79fff0;--dim:#9baec0;--line:#ffffff25}
*{box-sizing:border-box}
body{margin:0;overflow:hidden;background:#091320;color:#eefaff;font-family:Arial,"Noto Sans JP",sans-serif}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;cursor:pointer;color:inherit}
button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
#scene,.vignette{position:fixed;inset:0;width:100%;height:100%}
.vignette{pointer-events:none;background:linear-gradient(180deg,#06101c66,transparent 30%,transparent 60%,#030b16aa),radial-gradient(ellipse,transparent 45%,#02091455)}
header{position:absolute;top:30px;left:38px;right:38px;display:flex;justify-content:space-between;align-items:center;z-index:3}
.brand{font-weight:900;font-size:22px;letter-spacing:3px;color:inherit;text-decoration:none}
.brand>span{color:var(--cyan)}
.brand i{display:block;font-style:normal;font-size:8px;letter-spacing:3px;color:var(--dim);margin-top:7px}
.header-right{display:flex;gap:12px;align-items:center;font-size:9px;letter-spacing:2px;color:#b4c7d2}
.header-right button{background:#0c1d2e80;border:1px solid var(--line);padding:10px;font-size:10px;letter-spacing:1px}
.live-dot{display:inline-block;width:5px;height:5px;background:var(--cyan);border-radius:50%;box-shadow:0 0 10px var(--cyan)}
#hud{position:absolute;inset:0;pointer-events:none;transition:opacity .5s}
.timing{position:absolute;left:38px;top:122px;width:275px;border-top:1px solid var(--line);padding-top:19px}
.eyebrow{font-size:10px;letter-spacing:2.5px;color:var(--dim);font-weight:600}
.time{font-size:37px;letter-spacing:1px;margin:10px 0 19px;font-variant-numeric:tabular-nums;font-weight:300}
.timing-bottom{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.5px;color:var(--dim)}
.timing-bottom b{display:block;margin-top:9px;font-size:17px;color:#effaff;font-weight:400;letter-spacing:1px}
.timing-bottom small{font-size:12px;color:var(--dim)}
.course{position:absolute;right:38px;top:125px;width:220px}
.course h2{font-size:18px;letter-spacing:2px;margin:10px 0}
.course p{font-size:8px;letter-spacing:2px;color:var(--dim)}
#map{width:220px;height:165px;margin-top:8px}
.map-caption{display:flex;gap:10px;align-items:center;font-size:9px;letter-spacing:2px;color:var(--dim)}
.bottom-left{position:absolute;bottom:73px;left:38px}
.bottom-left h3{font-size:25px;letter-spacing:3px;margin:10px 0}
.bottom-left h3 span{color:var(--cyan);font-weight:300}
.spec{font-size:8px;color:var(--dim);letter-spacing:1px}
.spec span{color:var(--cyan);margin-left:12px}
.controls-hint{font-size:10px;line-height:2.1;color:#b3c4d4;margin-top:22px}
.speed{position:absolute;right:40px;bottom:75px;width:250px}
.speed>div:first-child{display:flex;align-items:baseline;justify-content:flex-end;gap:10px}
.speed strong{font-style:italic;font-size:83px;line-height:1.1;font-weight:600;letter-spacing:-5px;font-variant-numeric:tabular-nums}
.speed>div>span{font-size:10px;letter-spacing:2px;color:var(--dim)}
.speed-track,.boost-track{height:3px;background:#ffffff20;margin:12px 0 20px;overflow:hidden}
.speed-track i,.boost-track i{display:block;height:100%;width:0;background:#e8ffff;transition:width .1s}
.boost-track{height:6px;margin-top:9px;margin-bottom:12px}
.boost-track i{width:100%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
.boost-label{display:flex;justify-content:space-between;align-items:center}
.boost-label span{font-size:8px!important}
.boost-label b{font-size:10px;color:var(--cyan)}
#flight-status{font-size:9px;letter-spacing:2px;text-align:right;color:var(--cyan)}
#message{position:absolute;top:31%;width:100%;text-align:center;font-size:48px;letter-spacing:7px;font-weight:800;text-shadow:0 3px 25px #03151c}
#overlay{position:absolute;inset:0;background:linear-gradient(90deg,#06121be8 0%,#06121bbb 30%,transparent 72%);display:flex;align-items:center}
.start-panel{margin:40px 0 0 8%;max-width:560px}
.accent{color:var(--cyan)}
h1{font-size:clamp(45px,6vw,86px);line-height:.98;letter-spacing:-3px;font-weight:900;margin:25px 0}
h1 em{font-style:italic;color:var(--cyan)}
.intro{font-size:13px;line-height:2;color:#b6c8d5}
.race-info{display:flex;gap:40px;border-top:1px solid var(--line);padding-top:22px;margin:27px 0;font-size:11px;letter-spacing:1px}
.race-info small{display:block;color:#90a9ba;font-size:10px;letter-spacing:0;margin-top:8px}
.primary{display:flex;width:100%;align-items:center;justify-content:space-between;background:var(--cyan);color:#072224;border:0;padding:19px 23px;font-size:14px;font-weight:700}
.primary:hover{background:#cafff8}
.primary span{font-size:10px;letter-spacing:2px}
.start-tip{font-size:9px;color:#91a9bc;margin-top:17px}
.preview-label{position:absolute;right:38px;bottom:145px;font-size:12px;letter-spacing:3px}
.preview-label span{display:block;font-size:8px;color:var(--cyan);margin-top:10px}
.footer{position:absolute;bottom:23px;left:38px;right:38px;display:flex;justify-content:space-between;font-size:8px;letter-spacing:2px;color:#7890a4;pointer-events:none}
.footer b{color:var(--cyan);margin-left:8px}
body.preview .timing,body.preview .bottom-left,body.preview .speed{opacity:0}
body.preview .course{opacity:.7}
#dialog{position:absolute;inset:0;background:#04101bd9;backdrop-filter:blur(9px);display:grid;place-items:center;z-index:5}
#dialog[hidden]{display:none}
.dialog-card{width:min(420px,90vw);padding:34px;border:1px solid var(--line);background:#102333}
.dialog-card h2{font-size:40px;letter-spacing:2px;margin:18px 0 25px}
.secondary{width:100%;background:transparent;border:1px solid var(--line);padding:15px;margin-top:12px}
#results{font-size:13px;color:#b6c8d5;line-height:2.4;margin-bottom:20px}
#results b{float:right;color:var(--cyan);font-variant-numeric:tabular-nums}
#touch{display:none;position:absolute;bottom:53px;left:15px;right:15px;justify-content:space-between;gap:8px}
#touch button{touch-action:none;user-select:none;background:#132c40bb;border:1px solid #79fff060;border-radius:7px;min-width:48px;height:55px;font-size:10px}
#touch button.active{background:#79fff088}
@media(pointer:coarse){body.playing #touch{display:flex}
.bottom-left{display:none}
.speed{bottom:135px}
.footer{bottom:14px}
}
@media(max-width:700px){header{top:20px;left:20px;right:20px}
.brand{font-size:16px}
.brand i{font-size:6px;letter-spacing:2px}
.header-right{font-size:0;gap:6px}
.header-right button{font-size:8px}
.header-right .live-dot{display:none}
.timing{left:20px;top:92px;width:175px}
.time{font-size:25px}
.timing-bottom{font-size:7px}
.timing-bottom b{font-size:12px}
.course{right:20px;top:98px;width:130px}
.course h2{font-size:12px}
.course p{font-size:6px;letter-spacing:1px}
#map{width:130px;height:98px}
.course .eyebrow{font-size:8px}
.map-caption{font-size:7px;letter-spacing:0}
.speed{width:165px;right:20px}
.speed strong{font-size:60px}
.bottom-left{left:20px}
.controls-hint{font-size:8px}
.start-panel{margin-left:7%;margin-right:7%;margin-top:65px}
.preview-label{display:none}
body.preview .course{display:none}
.race-info{gap:25px}
.footer{left:20px;right:20px;font-size:6px}
.start-tip{font-size:8px}
#message{top:40%;font-size:30px}
}
@media(max-height:580px){.start-panel{margin-top:55px}
h1{font-size:42px;margin:15px 0}
.intro{display:none}
.race-info{margin:15px 0;padding-top:12px}
.primary{padding:13px 20px}
.course{top:85px}
.timing{top:90px}
.bottom-left{bottom:50px}
.controls-hint{margin-top:10px}
.speed{bottom:50px}
.footer{bottom:12px}
}