html,body{color:#f8fbff;touch-action:none;-webkit-user-select:none;user-select:none;background:radial-gradient(circle at 18% 12%,#a988ff29,#0000 30%),radial-gradient(circle at 82% 10%,#d6a85f1f,#0000 32%),linear-gradient(165deg,#191430 0%,#241c3e 45%,#140e1f 100%);width:100%;height:100%;margin:0;font-family:Segoe UI,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;overflow:hidden}#game-shell{height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);box-sizing:border-box;place-items:center;display:grid}#game{place-items:center;width:min(100vw,720px);height:min(100dvh,1280px);display:grid}canvas{border-radius:8px;max-width:100%;max-height:100%;display:block;box-shadow:0 22px 70px #00000073}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}