/* Blog Hero */
.blog-hero {
    padding: 140px 0 60px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.blog-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.blog-hero p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Blog List */
.blog-list-section {
    padding: 80px 0 100px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-decoration: none;
    color: var(--text-main);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.blog-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
}

.blog-card-tag {
    display: inline-block;
    background: rgba(255, 0, 51, 0.15);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    width: fit-content;
    letter-spacing: 0.05em;
}

.blog-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--text-main);
}

.blog-card-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
    flex-grow: 1;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 12px;
    margin-top: 4px;
}

.blog-card-read {
    color: var(--primary);
    font-weight: 600;
}

/* Blog Article */
.article-hero {
    padding: 140px 0 50px;
    border-bottom: 1px solid var(--border);
}

.article-tag {
    display: inline-block;
    background: rgba(255, 0, 51, 0.15);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.article-title {
    font-size: 2rem;
    line-height: 1.4;
    max-width: 860px;
    margin-bottom: 16px;
}

.article-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Article Body */
.article-body {
    padding: 60px 0 100px;
}

.article-content {
    max-width: 860px;
    margin: 0 auto;
}

.article-content h2 {
    font-size: 1.4rem;
    margin: 48px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
    color: var(--text-main);
}

.article-content h3 {
    font-size: 1.1rem;
    margin: 32px 0 12px;
    color: var(--text-main);
}

.article-content p {
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.article-content ul, .article-content ol {
    color: var(--text-muted);
    padding-left: 24px;
    margin-bottom: 20px;
    line-height: 1.9;
    font-size: 0.95rem;
}

.article-content li {
    margin-bottom: 8px;
}

.article-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    padding: 24px 28px;
    margin: 32px 0;
}

.article-box p {
    margin: 0;
    color: var(--text-muted);
}

.article-cta {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    margin-top: 60px;
}

.article-cta h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.article-cta p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 32px;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--text-main);
}

/* フッター */
.site-footer {
    background: #111827 !important;
}

.footer-heading {
    color: #ffffff !important;
}

.footer-info, .footer-desc, .footer-copy {
    color: #9ca3af !important;
}

.footer-info a {
    color: #9ca3af !important;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: 1.4rem;
    }
}