#quiz-container, #results-container { max-width: 600px; margin: 0 auto; }
#quiz-header { display: flex; justify-content: space-between; align-items: center; }
#chisamaru-quiz-reaction { width: 80px; }
#question { font-size: 1.3rem; font-weight: bold; min-height: 100px; }
#answers { display: grid; gap: 15px; margin: 20px 0; }
.answer-button {
    width: 100%; background: #fff; border: 2px solid var(--main-color);
    color: var(--main-color); padding: 15px; border-radius: 5px; font-size: 1.1rem;
    font-weight: bold; cursor: pointer; transition: background-color 0.3s, color 0.3s;
}
.answer-button:hover:not(:disabled) { background: #e6f6ff; }
.answer-button.correct { background: #28a745; color: #fff; border-color: #28a745; }
.answer-button.incorrect { background: #dc3545; color: #fff; border-color: #dc3545; }
.answer-button:disabled { cursor: default; }
#result { font-weight: bold; margin-top: 20px; }

/* (既存のスタイルに追記) */
#final-message {
    font-weight: bold;
    margin: 20px 0;
}
#share-button-container {
    margin-top: 20px;
}