:root{color:#fff;font-synthesis:none;background:#000;font-family:Yu Gothic,Hiragino Kaku Gothic ProN,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100svh;margin:0}#app{place-items:center;min-height:100svh;display:grid}.game-shell{aspect-ratio:4/3;background:#000;width:min(100vw,133.333svh);position:relative;overflow:hidden}.game-shell:fullscreen{width:min(100vw,133.333vh);height:auto;margin:auto}canvas{touch-action:none;outline:none;width:100%;height:100%;display:block}.loading{text-align:center;font-size:30px;position:absolute;inset:40% 0}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}