.official-list-section {
  max-width: 960px;
  margin: 60px auto;
}

.official-list-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 25px;
  text-align: left;
}

.official-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.official-list-card {
  display: block;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 20px;
  text-decoration: none;
  color: #333;
  transition: all 0.2s ease;
}

.official-list-card:hover {
  border-color: #0078D4;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}

.official-list-icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.official-list-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.official-list-desc {
  font-size: 14px;
  color: #666;
}

/* ============================
   OS Official List (公式リスト)
   ============================ */
/* ============================
   8分野ブログリスト（公式リストと統一）
   ============================ */

.blog-category-section {
  margin-top: 40px;
}

.blog-category-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

/* 公式リストと同じグリッドを使用 */
.blog-category-section .official-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

/* 公式リストと同じカードデザイン */
.blog-category-section .official-list-card {
  background: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  transition: 0.2s;
}

.blog-category-section .official-list-card:hover {
  background: #f5f5f5;
  border-color: #aaa;
}
/* ============================
   8分野ブログリスト（強制適用）
   ============================ */

.blog-category-section .official-list-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)) !important;
  gap: 20px !important;
}

.blog-category-section .official-list-card {
  background: #fff !important;
  border: 1px solid #ddd !important;
  padding: 20px !important;
  text-align: center !important;
  border-radius: 8px !important;
  transition: 0.2s !important;
}

.blog-category-section .official-list-card:hover {
  background: #f5f5f5 !important;
  border-color: #aaa !important;
}
/* ============================
   8分野ブログリスト（PC表示調整）
   ============================ */

.blog-category-section .official-list-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
  gap: 24px !important;
  margin-top: 40px !important;
}

.blog-category-section .official-list-card {
  background: #fff !important;
  border: 1px solid #ddd !important;
  padding: 24px !important;
  text-align: center !important;
  border-radius: 8px !important;
  transition: 0.2s !important;
}

.blog-category-section .official-list-card:hover {
  background: #f5f5f5 !important;
  border-color: #aaa !important;
}

/* ===== OS レイアウト修正 ===== */
.site-content,
.container,
.wrap {
  max-width: 1200px !important;
  margin: 0 auto !important;
}

.site-content,
.container,
.wrap {
  max-width: 1200px !important;
  margin: 0 auto;
}
/* ============================
   公式サイト一覧ページ（official_site）
   ============================ */

.official-list-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.official-site-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.official-item {
  background: #fff;
  border: 1px solid #ddd;
  padding: 18px;
  border-radius: 8px;
  transition: 0.2s;
  position: relative;
}

.official-item:hover {
  background: #f9f9f9;
  border-color: #aaa;
}

.official-item a {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  text-decoration: none;
}

.official-item a:hover {
  color: #0073aa;
}

/* 会員マーク */
.member-badge {
  display: inline-block;
  background: #ffcc00;
  color: #000;
  font-size: 12px;
  font-weight: bold;
  padding: 3px 6px;
  border-radius: 4px;
  margin-bottom: 8px;
}

/* ============================
   OS トップページレイアウト
   ============================ */

.os-home-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.os-home {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #ddd;
}

.os-section {
  margin-bottom: 40px;
}

.os-section h2 {
  font-size: 26px;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid #0073aa;
  color: #0073aa;
}

/* リンクリストの見栄え改善 */
.os-section ul {
  list-style: none;
  padding: 0;
}

.os-section ul li {
  margin-bottom: 10px;
}

.os-section ul li a {
  font-size: 18px;
  text-decoration: none;
  color: #333;
}

.os-section ul li a:hover {
  color: #0073aa;
}

.os-news-tabs, .os-news-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.os-news-tabs .tab,
.os-news-filter .filter {
  padding: 6px 12px;
  border-radius: 6px;
  background: #f2f2f2;
  text-decoration: none;
  color: #333;
}

.os-news-tabs .active,
.os-news-filter .active {
  background: #0073aa;
  color: #fff;
}

.os-news-list {
  display: grid;
  gap: 20px;
}

.os-news-card {
  display: block;
  padding: 16px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #ddd;
  text-decoration: none;
  color: #333;
}

.os-news-card:hover {
  background: #f9f9f9;
}

.os-news-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.9em;
}

.os-news-type {
  padding: 2px 6px;
  border-radius: 4px;
  background: #eee;
}

.os-news-service {
  padding: 2px 6px;
  border-radius: 4px;
  background: #e8f4ff;
}

.os-top-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}

.os-hero {
  text-align: center;
  padding: 60px 20px;
}

.os-latest-news h2,
.os-services h2 {
  margin-bottom: 20px;
  border-left: 6px solid #0073aa;
  padding-left: 10px;
}

.os-news-cards {
  display: grid;
  gap: 20px;
}

.os-news-card {
  display: block;
  padding: 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
  color: #333;
}

.os-news-card:hover {
  background: #f9f9f9;
}

.os-service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.service-card {
  display: block;
  padding: 20px;
  text-align: center;
  background: #f2f2f2;
  border-radius: 8px;
  text-decoration: none;
  color: #333;
}

.service-card:hover {
  background: #e6e6e6;
}
.section-title {
  margin-bottom: 20px;
  padding-left: 10px;
  border-left: 6px solid #0073aa;
}

.os-news-cards {
  display: grid;
  gap: 16px;
}

.os-news-card {
  display: block;
  padding: 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
  color: #333;
}

.os-news-card:hover {
  background: #f9f9f9;
}

.official-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.official-list-card {
  padding: 20px;
  background: #f2f2f2;
  border-radius: 8px;
  text-align: center;
}

.official-list-card a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

.official-list-card:hover {
  background: #e6e6e6;
}