/* 開催詳細セクション - シンプルデザイン */
.details {
    position: relative;
    padding: 80px 0;
    background: #1a2942;
    overflow: hidden;
}

/* パーティクルエフェクト用コンテナ */
.details-particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* 背景オーバーレイ */
.details-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../../images/sttt000.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 2;
}

.details-bg-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 41, 66, 0.7);
    z-index: 1;
}

/* コンテナの相対位置設定 */
.details .container {
    position: relative;
    z-index: 3;
}

/* タイトルスタイル */
.details-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff !important;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.details-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: #d4af37;
    margin: 15px auto 0;
}

/* サブタイトル */
.details-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 50px;
    font-weight: 400;
    opacity: 0.9;
}

/* 統一された詳細情報コンテナ */
.details-unified-container {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 特別価格セクション */
.details-price-section {
    background: #f8f9fa;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    border-bottom: 1px solid #e9ecef;
}

.price-badge {
    background: #e74c3c;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.price-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 20px;
}

/* タイトル行のフレックスレイアウト */
.price-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.price-title-row h3 {
    margin-bottom: 0;
}

.price-display {
    margin: 20px 0;
}

.original-price {
    color: #6c757d;
    font-size: 1rem;
    margin-bottom: 8px;
}

.price-strikethrough {
    text-decoration: line-through;
    color: #e74c3c;
}

.current-price {
    font-size: 3rem;
    font-weight: 900;
    color: #d4af37;
    line-height: 1;
    margin-bottom: 5px;
}

.price-tax {
    font-size: 1rem;
    color: #6c757d;
    font-weight: 400;
}

/* 価格の横並びレイアウト */
.price-row {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    gap: 20px;
}

.price-right {
    text-align: right;
}

.price-right .current-price {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.limited-offer {
    background: #d4af37;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* 開催情報セクション */
.details-info-section {
    padding: 40px 30px;
    border-bottom: 1px solid #e9ecef;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-group h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    text-align: center;
    padding-bottom: 8px;
    border-bottom: 2px solid #d4af37;
}

.info-items {
    margin-top: 15px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid #f8f9fa;
}

.info-item:last-child {
    border-bottom: none;
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    min-width: 30px;
    height: 30px;
    color: #d4af37;
}

.info-icon svg {
    stroke: #d4af37;
    stroke-width: 1.5;
}

.info-content {
    flex: 1;
}

.info-content strong {
    color: #2c3e50;
    font-weight: 600;
}

.info-content small {
    color: #6c757d;
    font-size: 0.85rem;
}

/* CTAセクション */
.details-cta-section {
    text-align: center;
    padding: 30px 20px;
    margin-top: 40px;
}

.cta-content {
    margin-bottom: 25px;
}

.cta-main-text {
    font-size: 1.2rem;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.cta-sub-text {
    color: #ffffff;
    font-size: 0.95rem;
    line-height: 1.4;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

/* CTAボタン */
.btn-details-primary {
    display: inline-block;
    background: #d4af37;
    color: #ffffff;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-details-primary:hover {
    background: #b8941f;
}

.btn-details-secondary {
    display: inline-block;
    background: transparent;
    color: #d4af37;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid #d4af37;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-details-secondary:hover {
    background: #d4af37;
    color: #ffffff;
}

/* セクション下部の波形区切り */
.custom-shape-divider-bottom-details {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.custom-shape-divider-bottom-details svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 40px;
}

.custom-shape-divider-bottom-details .shape-fill {
    fill: #FFFFFF;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .details {
        padding: 60px 0;
    }

    .details-title {
        font-size: 2rem;
    }

    .details-unified-container {
        margin: 0 15px;
        border-radius: 8px;
    }

    .details-price-section,
    .details-info-section,
    .details-cta-section {
        padding: 30px 20px;
    }

    .current-price {
        font-size: 2.5rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-details-primary,
    .btn-details-secondary {
        width: 100%;
        max-width: 280px;
    }

    .price-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .price-row {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .price-right {
        text-align: center;
    }

    .price-right .current-price {
        font-size: 2.2rem;
    }
}