:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}input[type=checkbox]{width:1.2em;height:1.2em;cursor:pointer;margin-right:.5em}label{display:flex;align-items:center;cursor:pointer;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;border-radius:8px;border:1px solid transparent;background-color:#1a1a1a;transition:border-color .25s}label:hover{border-color:#646cff}label:focus-within{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button,label{background-color:#f9f9f9}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.janken-buttons{display:flex;justify-content:space-between;width:100%;gap:1rem}.janken-buttons button{flex:1;display:flex;justify-content:center;align-items:center;padding:1rem;background:transparent;border:2px solid #646cff;border-radius:8px;cursor:pointer;transition:all .3s ease}.janken-buttons button:hover{background:#646cff;transform:scale(1.05)}.janken-buttons button img{max-width:100%;max-height:100px;object-fit:contain}.practice-hand-display{height:33vh;display:flex;align-items:center;justify-content:center;border:3px solid #ccc;border-radius:10px;margin:10px}.practice-hand-display.has-hand{background-color:#f9f9f9}.practice-hand-image{max-width:100%;max-height:100%}.practice-content{padding:20px;text-align:center}.practice-instructions{margin-bottom:20px;padding:15px;background-color:#e8f4f8;border-radius:8px;color:#333}.practice-instructions h3{margin:0 0 10px;font-size:16px;color:#333}.practice-instructions p{margin:5px 0;font-size:14px;line-height:1.5;color:#333}.practice-current-hand{font-size:18px;font-weight:700;margin-bottom:10px;color:#ffffffde}.practice-sensor-toggle{margin-bottom:20px}.practice-sensor-toggle label{font-size:16px}.practice-sensor-toggle input{margin-right:8px}.practice-sensor-values{margin-top:20px;padding:10px;background-color:#f5f5f5;border-radius:5px}