/* ========================================
   コース詳細ページ専用スタイル
======================================== */

/* コースヒーロー */
.course-hero {
    min-height: 70vh;
    padding-top: 140px;
}

.course-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* コース概要 */
.course-overview {
    padding: var(--spacing-xl) 0;
    background: var(--bg-primary);
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.overview-text {
    max-width: 600px;
}

.overview-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.overview-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

.overview-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
    transform: translateX(10px);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* おすすめ（白ベース） */
.course-recommend {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.recommend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.recommend-item {
    padding: 2.5rem 2rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

.recommend-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-10px);
}

.recommend-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.recommend-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.recommend-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.recommend-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* カリキュラム（白ベース） */
.course-curriculum {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

/* カリキュラム統合版 */
.curriculum-unified {
    max-width: 1000px;
    margin: 0 auto;
}

.curriculum-intro {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
}

.curriculum-intro-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.curriculum-intro-text strong {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.curriculum-topics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.curriculum-topic-card {
    padding: 2.5rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    transition: var(--transition);
}

.curriculum-topic-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-10px);
}

.topic-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.topic-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.topic-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.topic-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.topic-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.topic-list i {
    color: var(--secondary-color);
}

.curriculum-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.curriculum-item {
    display: flex;
    gap: 2rem;
    padding: 2.5rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    transition: var(--transition);
}

.curriculum-item:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-hover);
}

.curriculum-number {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 50%;
    font-family: var(--font-tech);
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.curriculum-content {
    flex: 1;
}

.curriculum-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.curriculum-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.curriculum-topics {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.curriculum-topics li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.curriculum-topics i {
    color: var(--secondary-color);
}

/* コース詳細（白ベース） */
.course-details {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.detail-item {
    padding: 2.5rem 2rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

.detail-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-10px);
}

.detail-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0066ff 0%, #00d9ff 100%);
    border-radius: 50%;
    font-size: 1.8rem;
    color: #ffffff;
}

.detail-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.detail-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* CTA（白ベース） */
.course-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-tech);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.cta-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* レスポンシブ */
@media (max-width: 992px) {
    .overview-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .recommend-grid,
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .curriculum-topics {
        grid-template-columns: 1fr;
    }
    
    .curriculum-topics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .course-hero {
        min-height: 60vh;
        padding-top: 120px;
    }
    
    .curriculum-item {
        flex-direction: column;
        text-align: center;
    }
    
    .curriculum-number {
        margin: 0 auto;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}