:root{color-scheme:dark;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:#eee8d8;background:#0d1512}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% -15%,#344034,#17231d 42%,#0d1512);overscroll-behavior:none}a{color:#d8dfd8;text-underline-offset:4px}.game-shell{width:min(100%,520px);margin:auto;padding:10px 12px max(12px,env(safe-area-inset-bottom));min-height:100dvh}header{display:flex;justify-content:space-between;gap:8px;color:#aeb9b0;font-size:11px}header a{text-decoration:none}h1{margin:10px 0 8px;text-align:center;font-family:serif;font-size:clamp(17px,4.7vw,23px);line-height:1.45;overflow-wrap:anywhere}h1 rt{font:500 .43em "Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif}.scoreboard{display:flex;justify-content:space-between;border-top:1px solid #46594c;padding:8px 4px 7px;color:#b8c2b9;font-size:11px}.scoreboard div{display:flex;align-items:baseline;gap:5px}.scoreboard strong{font:600 26px Georgia,serif;color:#f2ead8;font-variant-numeric:tabular-nums}.scoreboard small{font-size:10px}.game-field{position:relative;width:min(100%,calc((100dvh - 150px)*480/760));margin:auto;overflow:hidden;border:1px solid #637568;border-radius:8px;background:#1b211c;box-shadow:0 14px 46px #0009;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.game-field canvas{display:block;width:100%;height:auto;touch-action:none;outline:none}.intro{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:22px;text-align:center;background:linear-gradient(#111b16a8,#111b16e8)}.intro p{margin:0 0 9px;font:600 clamp(20px,5vw,28px)/1.7 serif}.intro small{color:#c0cbbf;font-size:11px}.intro button,.result button{min-height:50px;margin-top:24px;padding:11px 24px;border:1px solid #d49b79;border-radius:6px;background:#a94735;color:#fff6e7;font:700 15px inherit;cursor:pointer}.intro button:disabled{opacity:.55}.result{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 14px;padding:11px 2px 0;border-top:1px solid #46594c}.result div{grid-row:1/3}.result p{margin:0;color:#bcc7bd;font-size:12px;line-height:1.65}.result strong{color:#f2ead8;font-size:21px}.result button{min-height:44px;margin:0;padding:8px 14px;font-size:13px}.result>a{justify-self:center;font-size:11px}.instructions{text-align:center;margin:9px 0 0;color:#9daca1;font-size:11px;line-height:1.6}.instructions span{font-size:10px}#storage-note{text-align:center;color:#df806b;font-size:11px}[hidden]{display:none!important}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #edce7d;outline-offset:3px}@media(max-width:360px){.result{grid-template-columns:1fr}.result div{grid-row:auto}.result button{width:100%}}@media(max-height:520px){.game-field{width:min(100%,250px)}.game-shell{min-height:100vh}}