/* Article Specific Styles */

/* Breadcrumb Section */
.breadcrumb_section {
    width: 100vw;
    padding: 16px 0;
    margin-top: 80px; /* ヘッダーの高さ分 */
}

.breadcrumb_container {
    width: 80vw;
    margin: 100px auto 0 auto;
    padding: 0 24px;
}

.breadcrumb_nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6B7280;
}

.breadcrumb_link {
    color: #6B7280;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb_link:hover {
    color: #1A365D;
}

.breadcrumb_separator {
    color: #9CA3AF;
    margin: 0 4px;
}

.breadcrumb_current {
    color: #1A365D;
    font-weight: 500;
}

/* Article Section */
.article_section {
    width: 100vw;
    padding: 48px 0 80px;
}

.article_container {
    width: 80vw;
    max-width: 896px;
    margin: 0 auto;
    padding: 0 24px;
}

.article_wrapper {
    width: 100%;
}

.article_meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.article_date {
    color: #6B7280;
    font-size: 16px;
    line-height: 24px;
}

.article_category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 9999px;
    background: rgba(26, 54, 93, 0.10);
    color: #1A365D;
    font-size: 12px;
    line-height: 16px;
}

.article_title {
    color: #1F2937;
    font-family: 'Zen Old Mincho', serif;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 32px;
}

.article_content {
    width: 100%;
}

.article_card {
    background: #FFF;
    border-radius: 16px;
    box-shadow: 0px 2px 4px -2px rgba(0, 0, 0, 0.10), 0px 4px 6px -1px rgba(0, 0, 0, 0.10);
    padding: 32px;
}

.article_image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 32px;
}

.article_text {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 32px;
    color: #374151;
}

.article_heading {
    color: #1F2937;
    font-family: 'Zen Old Mincho', serif;
    font-size: 24px;
    font-weight: 700;
    line-height: 32px;
    margin-bottom: 16px;
    margin-top: 32px;
}

.article_list {
    list-style: none;
    margin-bottom: 32px;
}

.article_list_item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 24px;
}

.article_list_icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(26, 54, 93, 0.10);
    flex-shrink: 0;
    margin-top: 2px;
}

.article_list_icon img {
    width: 12px;
    height: 12px;
}

/* Price Grid */
.price_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.price_card {
    background: #F9FAFB;
    border-radius: 16px;
    padding: 24px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.price_card_featured {
    background: rgba(26, 54, 93, 0.05);
    border: 2px solid #1A365D;
    position: relative;
}

.price_card_featured::before {
    content: "おすすめ";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #1A365D;
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 12px;
    line-height: 16px;
}

.price_plan_name {
    color: #1F2937;
    font-family: Inter, sans-serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 28px;
    margin-bottom: 8px;
}

.price_amount {
    color: #1A365D;
    font-size: 32px;
    font-weight: 700;
    line-height: 40px;
    margin-bottom: 16px;
}

.price_period {
    font-size: 16px;
    font-weight: 400;
    color: #6B7280;
}

.price_features {
    list-style: none;
}

.price_features li {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 8px;
    color: #374151;
    position: relative;
    padding-left: 20px;
}

.price_features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1A365D;
    font-weight: 700;
}

/* Article Actions */
.article_actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 48px;
}

.article_cta_button {
    display: inline-block;
    padding: 12px 32px;
    background: #1A365D;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    line-height: 24px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.article_cta_button:hover {
    background: #2C5282;
    transform: translateY(-1px);
}

.article_back_link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6B7280;
    text-decoration: none;
    font-size: 16px;
    line-height: 24px;
    transition: color 0.3s ease;
}

.article_back_link:hover {
    color: #1A365D;
}

.article_back_link img {
    width: 16px;
    height: 16px;
}

/* Mobile Styles */
@media screen and (max-width: 809px) {
    .breadcrumb_container {
        width: 90vw;
        padding: 0 16px;
    }
    
    .breadcrumb_nav {
        font-size: 12px;
    }
    
    .breadcrumb_current {
        display: block;
        margin-top: 4px;
    }
    
    .article_container {
        width: 90vw;
        padding: 0 16px;
    }
    
    .article_title {
        font-size: 24px;
        line-height: 1.4;
    }
    
    .article_card {
        padding: 24px;
    }
    
    .article_image {
        height: 240px;
        margin-bottom: 24px;
    }
    
    .article_heading {
        font-size: 20px;
    }
    
    .price_grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .article_actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .article_meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}