:root{color-scheme:dark;--ink:#f0f3ff;--muted:#8793b5;--mint:#a9ffdc}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 35%,#19213d 0,#090d21 60%);color:var(--ink);font-family:'Space Grotesk','Noto Sans JP',sans-serif;min-height:100dvh}body:before{content:'';position:fixed;inset:0;pointer-events:none;background-image:radial-gradient(1px 1px at 10% 20%,#ffffff80 50%,transparent 100%),radial-gradient(1px 1px at 80% 45%,#ffffff60 50%,transparent 100%),radial-gradient(1px 1px at 40% 85%,#ffffff50 50%,transparent 100%);background-size:170px 220px,230px 310px,190px 180px}main{position:relative;max-width:440px;margin:auto;padding:20px 18px calc(20px + env(safe-area-inset-bottom))}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.brand{display:flex;gap:10px;align-items:center}.logo{font-size:34px;color:var(--mint)}h1{margin:2px 0 0;font-size:22px;letter-spacing:2px;font-weight:700}small{font-size:9px;letter-spacing:2px;color:var(--muted)}.brand small{font-size:8px;color:var(--mint)}button{font:inherit;cursor:pointer;border:none;color:inherit;touch-action:manipulation}button:focus-visible,canvas:focus-visible{outline:2px solid var(--mint);outline-offset:4px}.icon{width:42px;height:42px;border-radius:14px;background:#ffffff0a;border:1px solid #ffffff1a;font-size:20px}.scorebar{display:flex;align-items:center;padding:0 12px 10px;gap:38px}.scorebar>div{display:flex;flex-direction:column}.scorebar strong{font-size:30px;font-weight:500;line-height:1.3}.best strong{color:#b2bfda;font-size:23px}.next{margin-left:auto;flex-direction:row!important;align-items:center;gap:8px}#next{width:48px;height:48px}.game-wrap{position:relative;width:100%;border-radius:34px}#game{display:block;width:100%;height:auto;touch-action:none;user-select:none;max-height:61dvh;object-fit:contain}#toast{position:absolute;top:40%;width:100%;text-align:center;color:var(--mint);font-weight:bold;pointer-events:none;opacity:0;transition:opacity .2s}.hint{text-align:center;font-size:10px;color:#a4afca;margin:8px 0 14px;letter-spacing:.6px}.controls{display:flex;gap:9px}.primary{background:var(--mint);color:#122721;font-size:13px;font-weight:800;padding:13px 18px;border-radius:14px;box-shadow:0 4px 25px #73ffd91a}.controls .primary{flex:1}.motion-info{display:flex;justify-content:center;align-items:center;gap:6px;font-size:10px;color:var(--muted);margin:11px 0 16px}#sensor-dot{width:5px;height:5px;background:#63718e;border-radius:50%}#sensor-dot.on{background:var(--mint);box-shadow:0 0 8px var(--mint)}details{border:1px solid #ffffff12;border-radius:13px;padding:10px 13px;color:var(--muted);font-size:11px}summary{cursor:pointer}details p{font-size:10px;line-height:1.8}.fallback{display:flex;gap:6px;margin:13px 0}.fallback button{flex:1;padding:10px 3px;border-radius:8px;background:#ffffff0c;font-size:11px}label{display:flex;align-items:center;gap:10px}input{flex:1;width:80px;accent-color:var(--mint)}footer{text-align:center;margin-top:21px}footer>span{color:#7583a8;font-size:9px;letter-spacing:3px}#evolution{display:flex;align-items:center;justify-content:center;gap:5px;margin-top:10px}#evolution canvas{width:28px;height:28px}footer p{font-size:10px;color:var(--muted)}.overlay{position:absolute;inset:0;border-radius:34px;background:#080e20e8;display:flex;align-items:center;justify-content:center;flex-direction:column;backdrop-filter:blur(8px)}[hidden]{display:none!important}.overlay span,.eyebrow{font-size:10px;letter-spacing:2px;color:var(--mint)}h2{font-size:22px}.overlay p{font-size:26px;margin:0 0 25px}dialog{max-width:380px;width:calc(100% - 32px);border:1px solid #7b92bd50;border-radius:24px;padding:30px 25px;background:#111a30;color:var(--ink)}dialog::backdrop{background:#040817b8;backdrop-filter:blur(5px)}dialog p{font-size:13px;line-height:1.9;color:#c0c9df}.note{font-size:11px!important;color:#8e9bb9!important}.close{float:right;margin:-15px -10px 12px 5px}dialog .primary{width:100%;margin-top:7px}@media(min-width:700px){main{padding-top:30px}#game{max-height:590px}}@media(max-height:760px){main{padding-top:10px}header{margin-bottom:7px}h1{font-size:19px}.scorebar{padding-bottom:3px}.scorebar strong{font-size:24px}.hint{margin:4px 0 9px}footer{margin-top:12px}}

.sensor-help{border:1px solid #a9ffdc40;background:#a9ffdc09;border-radius:13px;padding:12px;margin-bottom:12px;font-size:11px;color:#c0c9df;line-height:1.7}.sensor-help strong{color:var(--mint)}.sensor-help p{margin:6px 0}.motion-info{line-height:1.6;text-align:center}

footer a{color:#a9ffdc;text-underline-offset:3px}footer .release{font-size:10px;color:#8493af}