/* solo-twister.css */

#solo-twister-app {
    max-width: 480px;
    margin: 20px auto;
    padding: 20px;
    background: #f0f8ff;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    font-family: sans-serif;
    text-align: center;
}

#solo-twister-app h2 {
    font-size: 1.5em;
    margin-bottom: 1em;
    color: #333;
}

#start-twister {
    font-size: 1.2em;
    padding: 12px 24px;
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#start-twister:hover {
    background-color: #45a049;
}

#start-twister.active {
    background-color: #f44336; /* ストップ時は赤っぽく */
}

#twister-instruction {
    margin-top: 20px;
    font-size: 1.4em;
    font-weight: bold;
    color: #222;
    word-break: keep-all;
}

/* スマホ用にフォントサイズとボタンの大きさを調整 */
@media screen and (max-width: 480px) {
    #start-twister {
        width: 100%;
        font-size: 1.3em;
        padding: 14px 0;
    }

    #twister-instruction {
        font-size: 1.6em;
    }
}

#part-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

#color-circle {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    margin-top: 10px;
}

.circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid #333;
    margin: 0 5px;
}