body {
            margin: 0;
            overflow: hidden;
            background-color: #1a202c;
            touch-action: none;
            font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        #game-canvas {
            width: 100vw;
            height: 100vh;
            display: block;
        }

        .fade-in {
            animation: fadeIn 0.5s ease-out forwards;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }