html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#07111f;color:#f8fbff;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{display:grid;place-items:center}#stage{position:relative;width:min(100vw,calc(100vh * 1.6));height:min(100vh,calc(100vw / 1.6));background:#07111f;overflow:hidden}canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}#scene3d{z-index:0;background:#07111f}#game{z-index:1;background:transparent}