:root{--bg:#3a2a20;--ink:#2a1a14;--paper:#f6f4ee}html,body{background-color:var(--bg);touch-action:none;-webkit-user-select:none;user-select:none;background-image:linear-gradient(45deg,#332419 25%,#0000 25% 75%,#332419 75%),linear-gradient(45deg,#332419 25%,#0000 25% 75%,#332419 75%);background-position:0 0,32px 32px;background-size:64px 64px;height:100%;margin:0;overflow:hidden}#game{width:100%;height:100%}#game canvas{image-rendering:pixelated}.dummy-ad{z-index:1000;color:var(--paper);background:#000000d9;flex-direction:column;justify-content:center;align-items:center;gap:16px;font-family:Galmuri11,sans-serif;font-size:20px;display:flex;position:fixed;inset:0}.dummy-ad button{border:2px solid var(--paper);color:var(--paper);font:inherit;cursor:pointer;background:0 0;padding:10px 24px}