*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#fff;color:#000;font-family:Arial,Helvetica,sans-serif}body{min-height:100vh}.snake-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:26px 18px 22px;background:#fff}.snake-game{width:min(100%,440px);display:flex;flex-direction:column;align-items:center}.snake-brand{display:block;width:min(138px,40vw);height:auto;filter:brightness(0);margin-bottom:10px}.snake-title{margin:0 0 18px;color:#000;font-size:21px;line-height:1;font-weight:700;letter-spacing:.18em}.snake-scorebar{width:100%;display:flex;justify-content:space-between;padding:0 2px 8px;color:#000;font-size:11px;font-weight:700;letter-spacing:.12em}.snake-scorebar strong{font-size:16px;margin-left:8px}.snake-board-wrap{width:100%;aspect-ratio:1;position:relative;border:1px solid #000;background:#fff;overflow:hidden;touch-action:none}#snake-board{display:block;width:100%;height:100%}.snake-food{position:absolute;width:5%;height:5%;display:flex;align-items:center;justify-content:center;pointer-events:none;transform:translate(-50%,-50%)}.snake-food img{display:block;width:100%;height:100%;object-fit:contain;filter:brightness(0)}.snake-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:22px;background:rgba(255,255,255,.96);color:#000;z-index:2}.snake-overlay.is-hidden{display:none}.snake-panel[hidden]{display:none}.snake-overlay-title{margin:0 0 10px;font-size:20px;font-weight:700;letter-spacing:.12em}.snake-overlay-note{font-size:11px;letter-spacing:.1em;margin:0 0 16px}.snake-start,.snake-skip,.snake-shop,.snake-ad-link{display:inline-flex;justify-content:center;align-items:center;text-decoration:none;min-height:42px;padding:11px 18px;border:1px solid #000;background:#000;color:#fff;font:700 11px Arial,sans-serif;letter-spacing:.1em;cursor:pointer}.snake-start{width:100%;margin-top:9px}.snake-skip{width:100%;margin-top:12px}.snake-skip:disabled{background:#fff;color:#000;cursor:default}.snake-shop{width:100%;margin-top:9px;background:#fff;color:#000}.snake-ad{width:min(100%,300px);margin:2px 0 0;border:1px solid #000;padding:10px;background:#fff;color:#000;text-decoration:none;display:flex;flex-direction:column;align-items:stretch}.snake-ad img{width:100%;height:155px;object-fit:contain;background:#fff}.snake-ad-label{font-size:9px;font-weight:700;letter-spacing:.14em;margin:8px 0 5px}.snake-ad-title{font-size:14px;font-weight:700;line-height:1.25}.snake-ad-cta{font-size:10px;letter-spacing:.12em;text-decoration:underline;margin-top:8px}.snake-count{margin:10px 0 0;font-size:11px;letter-spacing:.08em}.snake-controls{display:none;margin-top:12px;flex-direction:column;align-items:center;gap:5px}.snake-controls-row{display:flex;gap:5px}.snake-controls button{width:44px;height:38px;border:1px solid #000;background:#fff;color:#000;font-size:19px;cursor:pointer;touch-action:manipulation}.snake-controls button:active{background:#000;color:#fff}.snake-shop-bottom{margin-top:15px;padding:9px 12px;color:#000;font-size:10px;font-weight:700;letter-spacing:.1em;text-decoration:none;border-bottom:1px solid #000}@media(max-width:700px){.snake-game{width:min(100%,390px)}.snake-controls{display:flex}.snake-ad img{height:120px}.snake-overlay{padding:14px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important}}