/* 気候変動業界サイト専用ブログスタイルシート */

/* 親スタイルをベースに継承 */
@import url('../styles.css');

/* ブログ専用の追加スタイル */

/* ブログコンテナ - 2カラムグリッドレイアウト */
.blog-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}

/* ブログメインコンテンツエリア */
.blog-main {
  min-width: 0;
}

/* ブログヒーロー画像スタイル */
.blog-hero-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: var(--shadow-strong);
  margin-bottom: 2rem;
}

/* ブログ記事メタ情報 */
.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.blog-date {
  background: var(--secondary-blue);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-weight: 500;
}

.blog-category {
  background: var(--accent-green);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-weight: 500;
}

/* ブログ記事タイトル */
.blog-title {
  font-size: 2.5rem;
  color: var(--primary-blue);
  line-height: 1.3;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

/* ブログコンテンツ */
.blog-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #333;
}

.blog-content h2 {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--accent-green);
}

.blog-content h2:first-child {
  margin-top: 0;
}

.blog-content h3 {
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

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

.blog-content ul, .blog-content ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

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

/* コードブロック */
.blog-content pre {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}

.blog-content code {
  background: #f8f9fa;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9em;
  color: #d63384;
}

.blog-content pre code {
  background: none;
  padding: 0;
  color: #333;
}

/* ハイライトボックス */
.blog-highlight {
  background: var(--bg-light);
  border-left: 5px solid var(--accent-green);
  padding: 2rem;
  margin: 2rem 0;
  border-radius: 8px;
}

.blog-highlight h3 {
  margin-top: 0;
  color: var(--primary-blue);
}

/* ブログサイドバー */
.blog-sidebar {
  position: sticky;
  top: 100px;
}

.blog-sidebar-section {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 15px;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-light);
}

.blog-sidebar-section h3 {
  font-size: 1.3rem;
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-green);
}

/* 目次スタイル */
.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin-bottom: 0.8rem;
}

.toc a {
  color: var(--text-dark);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  display: block;
  padding: 0.3rem 0;
  transition: all 0.3s ease;
}

.toc a:hover {
  color: var(--secondary-blue);
  padding-left: 1rem;
}

.toc .toc-h3 {
  padding-left: 1rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ソーシャルシェアボタン */
.social-share {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--bg-light);
}

.social-share h3 {
  font-size: 1.2rem;
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

.share-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.share-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.share-button.twitter {
  background: #1DA1F2;
  color: white;
}

.share-button.facebook {
  background: #1877F2;
  color: white;
}

.share-button.linkedin {
  background: #0A66C2;
  color: white;
}

.share-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* ブログカード（インデックスページ用） */
.blog-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.blog-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-strong);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.blog-card-title {
  font-size: 1.3rem;
  color: var(--primary-blue);
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.blog-card-excerpt {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.blog-card-link {
  color: var(--secondary-blue);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.blog-card-link:hover {
  color: var(--primary-blue);
}

/* ブログナビゲーション */
.blog-nav {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--bg-light);
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.blog-nav-link {
  flex: 1;
  text-align: center;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.3s ease;
}

.blog-nav-link:hover {
  background: var(--secondary-blue);
  color: white;
  transform: translateY(-2px);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .blog-container {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 2rem;
  }
  
  .blog-sidebar {
    position: static;
    order: -1;
  }
  
  .blog-title {
    font-size: 2rem;
  }
  
  .blog-content h2 {
    font-size: 1.7rem;
  }
  
  .blog-content h3 {
    font-size: 1.3rem;
  }
  
  .blog-cards {
    grid-template-columns: 1fr;
  }
  
  .share-buttons {
    justify-content: center;
  }
  
  .blog-nav {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .blog-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .blog-title {
    font-size: 1.7rem;
  }
  
  .blog-sidebar-section {
    padding: 1.5rem;
  }
  
  .share-buttons {
    flex-direction: column;
  }
}

/* プリント用スタイル */
@media print {
  .blog-sidebar {
    display: none;
  }

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

  .social-share {
    display: none;
  }

  .blog-nav {
    display: none;
  }
}

/* ========================================
   メインサイトと同一のヘッダー・フッタースタイル
   (styles.cssから抽出)
   ======================================== */

/* ヘッダー */
.header {
  background: var(--gradient-climate);
  color: white;
  padding: 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow-medium);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 2rem;
}

/* ナビゲーション */
.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  font-size: 0.9rem;
}

.nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.nav a.active {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ドロップダウンメニュー */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-block;
}

.dropdown-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--primary-blue);
  min-width: 250px;
  box-shadow: var(--shadow-medium);
  border-radius: 10px;
  padding: 0.5rem 0;
  z-index: 1000;
  margin-top: 0.5rem;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.7rem 1.5rem;
  border-radius: 0;
  transition: all 0.3s ease;
  border: none;
  font-size: 0.9rem;
  display: block;
  white-space: nowrap;
}

.dropdown-menu a:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateX(5px);
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
}

/* フッター */
.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--secondary-blue);
}

.footer-section p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--secondary-blue);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #333;
  color: #ccc;
}

/* レスポンシブ: ヘッダー・フッター対応 */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary-blue);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    padding: 1rem 2rem;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}