:root{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;background:#080b0f;color:#eee9de;color-scheme:dark;--accent:#f4c987}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a{touch-action:manipulation}button{font:inherit;border:1px solid #ffffff32;background:#151b20c9;color:inherit;padding:12px 18px;border-radius:5px;cursor:pointer}button:hover{border-color:var(--accent)}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}canvas#scene{position:absolute;inset:0;width:100%;height:100%;touch-action:none}main{height:100dvh;min-height:360px;position:relative;overflow:hidden}.shade{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 45%,#05070988 100%)}header{position:absolute;left:25px;right:25px;top:max(20px,env(safe-area-inset-top));display:flex;align-items:center;gap:20px;z-index:5;font-size:11px;letter-spacing:.09em}header a{color:#eee;text-decoration:none}header .settings{margin-left:auto;display:flex;gap:8px}header button{padding:9px 12px;font-size:11px}.overlay{position:absolute;inset:0;z-index:10;display:grid;place-content:center;text-align:center;background:linear-gradient(90deg,#030609ba,#07101966);backdrop-filter:blur(3px);padding:25px}.overlay>div{max-width:600px}.eyebrow{font-size:11px;letter-spacing:.24em;color:var(--accent)}h1{font-size:clamp(32px,5vw,68px);font-weight:500;line-height:1.4;margin:18px 0}h2{font-size:clamp(28px,4vw,48px);font-weight:500}p{line-height:1.9}.lead{color:#d2d1ca;font-size:14px;max-width:500px;margin:0 auto 25px}.primary{background:var(--accent);color:#192022;padding:15px 36px;border:0;font-weight:600}.small{font-size:11px;color:#b3b9bc}#hud{position:absolute;top:88px;left:26px;pointer-events:none;z-index:3;text-shadow:0 2px 6px #000}.stat{display:flex;gap:24px;font-size:11px;letter-spacing:.1em}.stat strong{display:block;font-size:25px;font-weight:500;color:var(--accent)}#goals{line-height:2;font-size:12px;max-width:260px;margin-top:16px}#caption{position:absolute;left:20%;right:20%;bottom:150px;text-align:center;text-shadow:0 2px 8px #000;font-size:13px;pointer-events:none;color:#fff2d7;min-height:24px}#crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:13px;height:13px;border:1px solid #fff9;border-radius:50%;pointer-events:none;box-shadow:0 0 9px #0005}#crosshair:after{content:'';position:absolute;width:3px;height:3px;border-radius:50%;background:#fff;left:4px;top:4px}.bottom{position:absolute;bottom:max(18px,env(safe-area-inset-bottom));left:22px;right:22px;display:flex;justify-content:center;align-items:center;gap:9px;z-index:4;flex-wrap:wrap}#tools{display:flex;gap:8px;align-items:center}#tools button[aria-pressed=true]{border-color:var(--accent);background:#37392ddd}#action{min-width:130px;background:var(--accent);color:#101619;font-weight:600}#instruction{width:100%;margin:0;text-align:center;font-size:10px;color:#eee9d5aa;text-shadow:0 1px 3px #000}#movement{position:absolute;left:24px;bottom:115px;display:grid;grid-template-columns:repeat(3,42px);gap:4px;z-index:4}#movement button{padding:10px 0;font-size:15px;user-select:none;touch-action:none}#moveForward{grid-column:2}#moveLeft{grid-column:1}#moveBack{grid-column:2}#moveRight{grid-column:3}#flash{position:absolute;inset:0;pointer-events:none;background:#ff422e;opacity:0}#rhythm{position:absolute;bottom:150px;left:28%;right:28%;height:74px;pointer-events:none;background:#070b13aa;border:1px solid #ffffff22;border-radius:6px}.lane{height:16px;position:relative;border-bottom:1px solid #ffffff10}.note{position:absolute;width:12px;height:12px;border-radius:50%;top:2px;box-shadow:0 0 10px currentColor}.beatLine{position:absolute;left:15%;height:100%;width:2px;background:#fff;box-shadow:0 0 8px #fff}#pauseOverlay{background:#030609d9}.resultScore{font-size:44px;color:var(--accent);margin:12px 0}.return{display:block;color:#ddd;margin-top:22px;font-size:12px}.pad{border-top:3px solid var(--pad);min-width:90px}.pad.active{background:var(--pad);color:#101317}#meter{width:220px;height:5px;background:#ffffff25;margin:10px 0}#meter i{height:100%;display:block;background:var(--accent);width:0;transition:width .1s}.badge{padding:4px 8px;border:1px solid #fff4;border-radius:4px;font-size:10px}body[data-stage=図書館]{--accent:#d6bc8a}body[data-stage=空港]{--accent:#81dce4}body[data-stage=美術館]{--accent:#efab9f}@media(max-width:650px){header{left:14px;right:14px;gap:9px;font-size:9px}header button{padding:8px;font-size:10px}#hud{left:16px;top:72px}.stat{gap:18px}.stat strong{font-size:20px}.bottom{left:10px;right:10px;gap:6px;bottom:12px}#tools{gap:5px;flex-wrap:wrap;justify-content:center}#tools button{padding:10px 12px;font-size:11px}#action{min-width:90px;padding:12px 16px}#caption{left:16px;right:16px;bottom:162px;font-size:11px}#goals{font-size:10px;max-width:200px}#movement{left:13px;bottom:92px;grid-template-columns:repeat(3,36px)}#rhythm{left:15px;right:15px;bottom:125px}body[data-stage=図書館] #caption{bottom:213px}.pad{min-width:74px}#instruction{font-size:9px}h1{font-size:32px}.lead{font-size:12px}#crosshair{width:11px;height:11px}#crosshair:after{left:3px;top:3px}}

.lane:before{content:attr(data-label);position:absolute;left:4px;top:1px;color:#d8d8d1;font-size:8px;line-height:14px;white-space:nowrap}#rhythm{height:68px}#goals{padding:4px 6px;background:#03070955;border-radius:3px}.stat{padding:6px;background:#03070955;border-radius:4px}

@media(max-width:650px){#goals{font-size:9px;line-height:1.5;margin-top:8px}body[data-stage=図書館] #rhythm{bottom:87px}body[data-stage=図書館] #caption{bottom:178px}}