:root{font-family:Inter,Pretendard,Noto Sans KR,system-ui,sans-serif;color:#f4f7fb;background:#0b111a;font-synthesis:none}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}body{overflow:hidden;background:radial-gradient(circle at 50% 20%,#21334a,#101722 42%,#080c13)}#app{display:grid;place-items:center;padding:20px}#game-root{width:min(80vw,calc(80vh * 16 / 9));height:min(80vh,45vw);aspect-ratio:16 / 9;border:1px solid rgba(132,172,211,.22);border-radius:14px;overflow:hidden;box-shadow:0 24px 80px #0000007a}#game-root canvas{display:block}