html{height:100%;background-color:#f0f0f0;font-family:Arial,sans-serif}body.game-page{margin:0;padding:0;width:100%;height:100%;overflow:hidden;position:fixed;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:none}body.about-page{margin:0;padding:0;width:100%;min-height:100%;background-color:#87ceeb;overflow-y:auto}body{margin:0;padding:0;width:100%}#game-container{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;overflow:hidden}#game-container canvas{margin:auto;aspect-ratio:9/16;max-width:100vw;max-height:100vh}@media (orientation: landscape){#game-container canvas{height:100vh;width:auto}}@media (orientation: portrait){#game-container canvas{width:100vw;height:auto}}@supports (-webkit-touch-callout: none){#game-container{height:-webkit-fill-available}}canvas{display:block}.about-container{max-width:800px;margin:0 auto;padding:20px;color:#333;line-height:1.6;font-family:serif}.about-section{background:#ffffffe6;border-radius:10px;padding:20px;margin:20px 0;box-shadow:0 2px 4px #0000001a}.about-section h2{color:#2196f3;border-bottom:2px solid #2196F3;padding-bottom:5px;margin-bottom:15px}.about-section ul{padding-left:20px;margin:0}.about-section ul ul{margin:10px 0}.back-button{text-align:center;margin-top:30px}.back-button a{display:inline-block;padding:10px 30px;background-color:#4caf50;color:#fff;text-decoration:none;border-radius:5px;transition:background-color .3s}.back-button a:hover{background-color:#45a049}@media (max-width: 600px){.about-container{padding:15px}.about-section{padding:15px;margin:15px 0}.about-container h1{font-size:24px}.about-container h2{font-size:20px}}.score-display{position:absolute;top:10px;left:10px;font-size:24px;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.game-over-container{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;background-color:#000000b3;padding:20px;border-radius:10px}.game-over-container h2{font-size:36px;margin-bottom:20px}.game-over-container button{background-color:#4caf50;border:none;color:#fff;padding:15px 32px;text-align:center;text-decoration:none;display:inline-block;font-size:16px;margin:4px 2px;cursor:pointer;border-radius:5px;transition:background-color .3s}.game-over-container button:hover{background-color:#45a049}