/* フィードバック表示のベーススタイル */
.feedback {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
    background: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.feedback.show {
    opacity: 1;
}

/* シンボル（円と×印）のスタイル */
.feedback-symbol {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
    position: relative;
    background: none !important;
}

/* 正解の円 */
.feedback.correct .feedback-symbol {
    border: 16px solid #0169F9;
    border-radius: 50%;
    background: none;
}

/* 不正解の×印 */
.feedback.incorrect .feedback-symbol::before,
.feedback.incorrect .feedback-symbol::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 16px;
    background: #f44336;
    transform-origin: center;
}

.feedback.incorrect .feedback-symbol::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.feedback.incorrect .feedback-symbol::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* テキストのスタイル */
.feedback-text {
    font-size: 36px;
    font-weight: bold;
    background: none !important;
}

.feedback.correct .feedback-text {
    color: #0169F9;
}

.feedback.incorrect .feedback-text {
    color: #f44336;
}