:root{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#253b35;background:#f6f8f5;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{width:min(780px,100%);margin:auto;padding:34px 24px}.wordmark{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:650;color:inherit;text-decoration:none}.mark{display:grid;place-items:center;width:30px;height:30px;border:1px solid #a1b7a9;border-radius:50%;font-size:16px}.intro{padding:78px 0 36px}.eyebrow{font-size:14px;color:#61796d;margin:0 0 22px}h1{font-size:clamp(30px,5.4vw,47px);line-height:1.12;letter-spacing:-1.7px;font-weight:550;margin:0 0 22px}.intro>p:last-child{line-height:1.6;color:#5c6d65;font-size:16px;max-width:450px}.game{background:#fff;border:1px solid #d9e1da;border-radius:22px;overflow:hidden}.game-top,.game-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:14px;color:#617167}.game-top b{font-weight:600;color:#253b35;font-variant-numeric:tabular-nums}#field{height:260px;position:relative;background:radial-gradient(#dbe4dc .75px,transparent .75px);background-size:22px 22px;margin:0 10px}#dot{position:absolute;left:calc(50% - 28px);top:calc(50% - 28px);width:56px;height:56px;border-radius:50%;border:8px solid #e7efe9;background:#3b6950;cursor:pointer;transition:transform .14s ease,background .14s ease;touch-action:manipulation}#dot:hover{transform:scale(1.09)}#dot:active{transform:scale(.94)}button:focus-visible,a:focus-visible{outline:3px solid #4c765c;outline-offset:5px}.reset{font:inherit;color:#355a45;background:transparent;border:0;border-bottom:1px solid #b5c7b9;padding:8px 0;cursor:pointer;min-height:40px}#done{position:absolute;inset:60px 0 0;text-align:center;font-size:29px;font-weight:550;letter-spacing:-.6px}#done span{font-size:16px;font-weight:400;color:#617167;letter-spacing:0}footer{padding:30px 0;display:flex;justify-content:space-between;gap:18px;color:#718176;font-size:12px}@media(max-width:480px){main{padding:24px 20px}.intro{padding-top:54px}h1{letter-spacing:-1px}.game-top,.game-bottom{padding:14px 16px}footer{flex-direction:column;gap:8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}