*{box-sizing:border-box;margin:0;padding:0}html,body{background:#0b0a14;width:100%;height:100%;overflow:hidden}#game-container{justify-content:center;align-items:center;width:100%;height:100%;display:flex}#game-canvas{image-rendering:pixelated;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none;display:block}#rotate-hint{color:#f6f2e8;z-index:20;pointer-events:none;text-align:center;background:#0b0a14eb;justify-content:center;align-items:center;padding:0 20px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:min(20px,5vw);font-weight:700;line-height:2;display:none;position:fixed;top:0;bottom:0;left:0;right:0}@media (orientation:portrait) and (pointer:coarse){#rotate-hint{display:flex}}.name-overlay{z-index:10;background:#0b0a14bf;justify-content:center;align-items:center;display:none;position:fixed;top:0;bottom:0;left:0;right:0}.name-overlay.visible{display:flex}.name-dialog{background:#1b1930;border:2px solid #8fd6ff;border-radius:10px;flex-direction:column;gap:16px;min-width:340px;padding:28px 32px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;display:flex}.name-dialog p{color:#f6f2e8;text-align:center;font-size:18px;font-weight:700}.name-dialog input{color:#f6f2e8;text-align:center;background:#0d0b18;border:2px solid #4a4368;border-radius:6px;outline:none;padding:10px 12px;font-family:inherit;font-size:20px}.name-dialog input:focus{border-color:#8fd6ff}.name-buttons{gap:12px;display:flex}.name-buttons button{cursor:pointer;color:#a89f92;background:#0d0b18;border:2px solid #4a4368;border-radius:6px;flex:1;padding:10px 0;font-family:inherit;font-size:16px;font-weight:700}.name-buttons button.name-ok{color:#f6f2e8;background:#2f2850;border-color:#8fd6ff}.name-buttons button:hover{color:#f6f2e8;border-color:#8fd6ff}