:root { background:#f6f5ef; color:#111; }
* { box-sizing:border-box; }
html,body,#game-root { margin:0; width:100%; height:100%; overflow:hidden; background:#f6f5ef; }
body { touch-action:none; overscroll-behavior:none; font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif; }
canvas { display:block; margin:auto; }
#loading { position:fixed; inset:0; display:grid; place-items:center; pointer-events:none; font:12px/1 monospace; letter-spacing:.2em; background:#f6f5ef; }
body.ready #loading { display:none; }