/* ==========================================================
   ペットテック産業レポート blog.css
   2カラムレイアウト / 記事装飾のみ
   ヘッダー・フッター・ナビのスタイルは ../styles.css を使用
   ========================================================== */

/* ----------------------------------------------------------
   記事本文カラム
   ---------------------------------------------------------- */
.article-content {
  min-width: 0;
}

.article-header {
  margin-bottom: 1.6rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  margin-bottom: 1rem;
}

.article-date {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.86rem;
  color: #fff;
  background: var(--color-primary);
  padding: 0.15rem 0.7rem;
  border-radius: 6px;
}

.article-category {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-accent-soft);
  border-radius: 6px;
  padding: 0.15rem 0.7rem;
}

.article-readtime {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.article-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary-dark);
}

.article-eyecatch {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 2rem;
}

.article-eyecatch img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-lead {
  font-size: 1.04rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  border-left: 5px solid var(--color-primary);
  border-radius: 0 10px 10px 0;
  padding: 1.1rem 1.3rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-soft);
}

/* ----------------------------------------------------------
   記事本文タイポグラフィ
   ---------------------------------------------------------- */
.article-content section {
  margin-bottom: 2.6rem;
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.8vw, 1.55rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  border-left: 6px solid var(--color-accent);
  padding-left: 0.8rem;
  margin-bottom: 1.1rem;
  line-height: 1.45;
  scroll-margin-top: 120px;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1.6rem 0 0.7rem;
}

.article-content p {
  margin-bottom: 1.1rem;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.2rem;
  padding-left: 1.4em;
}

.article-content li {
  margin-bottom: 0.45rem;
}

.article-content strong {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.article-content a:hover {
  color: var(--color-accent);
}

/* ----------------------------------------------------------
   シェアボタン
   ---------------------------------------------------------- */
.share-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 2.6rem 0 1rem;
  padding: 1.1rem 1.3rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.share-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

.share-btn {
  display: inline-block;
  padding: 0.45rem 1.3rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.share-btn.share-x {
  background: #0f1419;
}

.share-btn.share-x:hover {
  background: #333;
  color: #fff;
}

.share-btn.share-facebook {
  background: #1877f2;
}

.share-btn.share-facebook:hover {
  background: #0f5ec7;
  color: #fff;
}

.back-to-list {
  display: inline-block;
  margin-top: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.back-to-list::before {
  content: "← ";
}

/* ----------------------------------------------------------
   サイドバー広告（サイドバー骨格は ../styles.css の .sidebar 等を使用）
   ---------------------------------------------------------- */
.sidebar-ad {
  text-align: center;
  overflow: hidden;
}

.sidebar-ad img {
  display: inline-block;
  max-width: 100%;
  height: auto;
}

.ad-note {
  display: block;
  font-size: 0.68rem;
  color: var(--color-text-muted);
  letter-spacing: 0.14em;
  margin-bottom: 0.5rem;
}

/* ----------------------------------------------------------
   ブログ一覧
   ---------------------------------------------------------- */
.blog-list-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fffdf6;
  padding: 2.8rem 1.25rem;
  text-align: center;
}

.blog-list-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.7rem;
}

.blog-list-hero p {
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.98rem;
  color: #e4efe8;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(31, 55, 48, 0.18);
}

.blog-card-thumb {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card-body {
  padding: 1.1rem 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.blog-card-date {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  background: var(--color-primary);
  padding: 0.12rem 0.6rem;
  border-radius: 5px;
}

.blog-card-cat {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-accent-soft);
  padding: 0.12rem 0.6rem;
  border-radius: 5px;
}

.blog-card h2 {
  font-family: var(--font-heading);
  font-size: 1.04rem;
  line-height: 1.5;
  margin-bottom: 0.6rem;
}

.blog-card h2 a {
  color: var(--color-primary-dark);
}

.blog-card h2 a:hover {
  color: var(--color-accent);
}

.blog-card .blog-card-summary {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: 0.9rem;
}

.blog-card .read-more {
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
}

.blog-card .read-more:hover {
  color: var(--color-primary);
}

/* ----------------------------------------------------------
   レスポンシブ
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 880px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .article-header h1 {
    font-size: 1.4rem;
  }

  .share-box {
    gap: 0.5rem;
  }
}

/* Mobile news-commentary readability baseline (shared site-local rule). */
@media (max-width: 768px) {
  .blog-main, .blog-container, .two-col-layout { min-width: 0; }
  .article-detail, .blog-article, .article-body { min-width: 0; }
  .article-detail .article-body, .blog-article { padding-inline: 16px; }
  .article-content {
    font-size: 1rem;
    line-height: 1.85;
    overflow-wrap: anywhere;
  }
  .article-content h2 { font-size: clamp(1.25rem, 6vw, 1.45rem); line-height: 1.4; }
  .article-content h3 { font-size: clamp(1.12rem, 5vw, 1.25rem); line-height: 1.45; }
  .article-content :is(img, iframe, video) { max-width: 100%; height: auto; }
  .article-content table { display: block; max-width: 100%; overflow-x: auto; }
  .sidebar, .blog-sidebar { position: static; order: 2; }
}
/* Mobile article reading width: keep outer page gutters, remove duplicated inner gutters. */
@media (max-width: 768px) {
  .article-content,
  .article-detail .article-body,
  .blog-article,
  .main-content > article.main-content {
    padding-left: 0;
    padding-right: 0;
  }
  /* Cap article-panel padding without removing deliberate card framing. */
  .article-panel,
  .article-main,
  .post-content,
  .article-detail {
    padding-left: min(16px, 4vw);
    padding-right: min(16px, 4vw);
  }
  .article-body { padding-left: 0; padding-right: 0; }
}