/* ================================================
   ブログページ共通スタイル
   home-naming.css と同じ配色トークンを使う明るいテーマ。
   既存の共用クラス(.section-title 等)は使わず、.blog- プレフィックスの
   専用クラスのみで構成する(既存ページのCSSと衝突させないため)。
   ================================================ */

.blog-page {
    background: #FFFFFF;
    color: #374151;
    padding: 140px 0 100px;
    min-height: 60vh;
}

.blog-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.blog-page-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.blog-page-lead {
    color: #6B7280;
    margin-bottom: 3rem;
}

/* 一覧・タグページのカード */
.blog-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.blog-card {
    display: block;
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.06);
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(17, 24, 39, 0.1);
}

.blog-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.blog-card-description {
    font-size: 0.92rem;
    color: #6B7280;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #9CA3AF;
}

.blog-tag-badge {
    display: inline-block;
    background: rgba(20, 184, 166, 0.1);
    color: #14B8A6;
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    margin-right: 0.4rem;
    margin-bottom: 0.4rem;
}

.blog-tag-badge:hover {
    background: rgba(20, 184, 166, 0.18);
}

/* 個別記事ページ */
.blog-article-header {
    margin-bottom: 2.5rem;
}

.blog-article-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: #111827;
    line-height: 1.4;
    margin-bottom: 1.25rem;
}

.blog-article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #6B7280;
    margin-bottom: 1rem;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: #F9FAFB;
    border-radius: 12px;
    margin-bottom: 2.5rem;
    text-decoration: none;
    color: inherit;
}

.blog-author-photo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.blog-author-name {
    font-weight: 600;
    color: #111827;
    font-size: 0.95rem;
}

.blog-author-role {
    font-size: 0.8rem;
    color: #6B7280;
}

/* 本文(Markdown変換後のHTML) */
.blog-article-body {
    font-size: 1.05rem;
    line-height: 2;
    color: #374151;
}

.blog-article-body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin: 3rem 0 1.25rem;
    scroll-margin-top: 100px;
}

.blog-article-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #111827;
    margin: 2rem 0 1rem;
}

.blog-article-body p {
    margin-bottom: 1.5rem;
}

.blog-article-body ul,
.blog-article-body ol {
    margin: 0 0 1.5rem 1.5rem;
}

.blog-article-body li {
    margin-bottom: 0.5rem;
}

.blog-article-body strong {
    color: #111827;
}

.blog-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0 2rem;
    font-size: 0.95rem;
}

.blog-article-body th,
.blog-article-body td {
    border: 1px solid #E5E7EB;
    padding: 0.75rem 1rem;
    text-align: left;
}

.blog-article-body th {
    background: #F9FAFB;
    color: #111827;
    font-weight: 600;
}

/* 固定CTAブロック */
.blog-cta-block {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(45, 212, 191, 0.06));
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    margin: 3rem 0;
}

.blog-cta-text {
    color: #1F2937;
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.blog-cta-button {
    display: inline-block;
    background: #14B8A6;
    color: #FFFFFF;
    padding: 0.85rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease;
}

.blog-cta-button:hover {
    background: #0D9488;
}

/* おすすめ記事 */
.blog-related {
    margin-top: 3rem;
}

.blog-related-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
    .blog-page {
        padding: 110px 0 70px;
    }

    .blog-card-grid {
        grid-template-columns: 1fr;
    }

    .blog-article-body {
        font-size: 0.98rem;
    }
}