.autopost-blog {
          font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
          color: #1a1a1a;
          line-height: 1.8;
          max-width: 100%;
          min-height: 100vh;
          background: #fafafa;
        }
        .autopost-blog a {
          color: var(--brand-primary);
          text-decoration: none;
        }
        .autopost-blog a:hover {
          text-decoration: underline;
        }
        .autopost-blog .blog-container {
          max-width: 1800px;
          margin: 0 auto;
          padding: 0 1rem;
        }
        .autopost-blog main {
          padding-top: 1.5rem;
        }
        .autopost-blog .blog-header {
          background: #fff;
          border-bottom: 1px solid #e5e7eb;
          padding: 1rem 0;
        }
        .autopost-blog .blog-header-inner {
          max-width: 1800px;
          margin: 0 auto;
          padding: 0 1rem;
          display: flex;
          align-items: center;
          gap: 0.75rem;
        }
        .autopost-blog .blog-header-logo {
          height: 32px;
          width: auto;
        }
        .autopost-blog .blog-header-title {
          font-size: 1.25rem;
          font-weight: 700;
          color: #1a1a1a;
          margin: 0;
        }
        .autopost-blog .blog-header-nav {
          display: flex;
          gap: 1.5rem;
          margin-left: auto;
          font-size: 0.875rem;
          align-items: center;
        }
        .autopost-blog .blog-header-nav-link:hover {
          opacity: 1 !important;
          text-decoration: underline;
        }
        .autopost-blog .blog-footer-links {
          display: flex;
          justify-content: center;
          flex-wrap: wrap;
          gap: 0.25rem;
          font-size: 0.8rem;
        }
        .autopost-blog .blog-footer-links a:hover {
          opacity: 1 !important;
          text-decoration: underline;
        }
        .autopost-blog .blog-footer {
          background: #fff;
          border-top: 1px solid #e5e7eb;
          padding: 1.5rem 0;
          margin-top: 3rem;
          text-align: center;
          color: #6b7280;
          font-size: 0.875rem;
        }
        /* パンくず — 本家サイトの構造を検出していない場合の autopost デフォルト。
           Live Sync で本家 CSS が読み込まれる場合は本家側のクラス名(.breadcrumb 等)が
           使用されるので、このルールには当たらない(クラス名が違う)。 */
        .autopost-blog .blog-breadcrumb {
          max-width: 1280px;
          margin: 0 auto;
          padding: 1rem 1.25rem 0.25rem;
          font-size: 0.875rem;
          color: #6b7280;
        }
        .autopost-blog .blog-breadcrumb__list {
          list-style: none;
          margin: 0;
          padding: 0;
          display: flex;
          flex-wrap: wrap;
          align-items: center;
          gap: 0;
        }
        .autopost-blog .blog-breadcrumb__item {
          display: inline-flex;
          align-items: center;
        }
        .autopost-blog .blog-breadcrumb__link {
          color: inherit;
          opacity: 0.8;
          text-decoration: none;
        }
        .autopost-blog .blog-breadcrumb__link:hover {
          opacity: 1;
          text-decoration: underline;
        }
        .autopost-blog .blog-breadcrumb__current {
          color: #1f2937;
          font-weight: 500;
        }
        .autopost-blog .blog-breadcrumb__sep {
          margin: 0 0.5rem;
          opacity: 0.5;
        }
        .autopost-blog .blog-card {
          background: #fff;
          border-radius: 8px;
          overflow: hidden;
          box-shadow: 0 1px 3px rgba(0,0,0,0.08);
          transition: box-shadow 0.2s;
        }
        .autopost-blog .blog-card:hover {
          box-shadow: 0 4px 12px rgba(0,0,0,0.12);
        }
        .autopost-blog .blog-card-image {
          width: 100%;
          aspect-ratio: 16/9;
          object-fit: cover;
        }
        .autopost-blog .blog-card-body {
          padding: 1.25rem;
        }
        .autopost-blog .blog-card-category {
          font-size: 0.75rem;
          font-weight: 600;
          color: var(--brand-primary);
          text-transform: uppercase;
          letter-spacing: 0.05em;
        }
        .autopost-blog .blog-card-title {
          font-size: 1.1rem;
          font-weight: 700;
          margin: 0.5rem 0;
          line-height: 1.4;
        }
        .autopost-blog .blog-card-excerpt {
          font-size: 0.9rem;
          color: #6b7280;
          display: -webkit-box;
          -webkit-line-clamp: 2;
          -webkit-box-orient: vertical;
          overflow: hidden;
        }
        .autopost-blog .blog-card-date {
          font-size: 0.8rem;
          color: #9ca3af;
          margin-top: 0.75rem;
        }
        .autopost-blog .blog-grid {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 1.5rem;
        }
        @media (max-width: 1024px) {
          .autopost-blog .blog-grid {
            grid-template-columns: repeat(2, 1fr);
          }
        }
        .autopost-blog .article-container {
          max-width: 780px;
          margin: 0 auto;
          background: #fff;
          padding: 2rem;
          border-radius: 8px;
          box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        }
        .autopost-blog .article-title {
          font-size: 1.75rem;
          font-weight: 800;
          line-height: 1.3;
          margin-bottom: 1rem;
        }
        .autopost-blog .article-meta {
          display: flex;
          gap: 1rem;
          color: #6b7280;
          font-size: 0.875rem;
          margin-bottom: 2rem;
          padding-bottom: 1rem;
          border-bottom: 1px solid #e5e7eb;
        }
        .autopost-blog .article-content h2 {
          font-size: 1.4rem;
          font-weight: 700;
          margin: 2rem 0 1rem;
          padding-bottom: 0.5rem;
          border-bottom: 2px solid var(--brand-primary);
        }
        .autopost-blog .article-content h3 {
          font-size: 1.15rem;
          font-weight: 700;
          margin: 1.5rem 0 0.75rem;
        }
        .autopost-blog .article-content p {
          margin: 1rem 0;
        }
        .autopost-blog .article-content img {
          max-width: 100%;
          height: auto;
          border-radius: 4px;
          margin: 1rem 0;
        }
        /* Lightbox 用 (2026-05-21): アイキャッチ + 本文画像をクリックで拡大 */
        .autopost-blog .article-eyecatch img,
        .autopost-blog .article-content img,
        .autopost-blog .post-body-image img {
          cursor: zoom-in;
          transition: opacity 0.2s ease;
        }
        .autopost-blog .article-eyecatch img:hover,
        .autopost-blog .article-content img:hover,
        .autopost-blog .post-body-image img:hover {
          opacity: 0.85;
        }
        .op-lightbox {
          position: fixed;
          inset: 0;
          background: rgba(0, 0, 0, 0.85);
          display: flex;
          align-items: center;
          justify-content: center;
          z-index: 9999;
          cursor: zoom-out;
          padding: 24px;
          opacity: 0;
          pointer-events: none;
          transition: opacity 0.18s ease;
        }
        .op-lightbox.is-open {
          opacity: 1;
          pointer-events: auto;
        }
        .op-lightbox img {
          max-width: 100%;
          max-height: 100%;
          object-fit: contain;
          border-radius: 4px;
          box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .op-lightbox__close {
          position: absolute;
          top: 16px;
          right: 16px;
          background: rgba(0,0,0,0.4);
          color: #fff;
          border: 1px solid rgba(255,255,255,0.3);
          border-radius: 50%;
          width: 40px;
          height: 40px;
          display: flex;
          align-items: center;
          justify-content: center;
          cursor: pointer;
          font-size: 22px;
          line-height: 1;
          padding: 0;
        }
        .op-lightbox__close:hover { background: rgba(0,0,0,0.6); }
        @media (max-width: 640px) {
          .op-lightbox { padding: 12px; }
          .op-lightbox__close { top: 8px; right: 8px; width: 36px; height: 36px; }
        }
        .autopost-blog .article-content ul, .autopost-blog .article-content ol {
          margin: 1rem 0;
          padding-left: 1.5rem;
        }
        .autopost-blog .article-content li {
          margin: 0.5rem 0;
        }
        .autopost-blog .article-content blockquote {
          border-left: 4px solid var(--brand-primary);
          padding: 0.5rem 1rem;
          margin: 1rem 0;
          background: var(--brand-primary-light);
          border-radius: 0 4px 4px 0;
        }
        .autopost-blog .toc {
          background: #f9fafb;
          border: 1px solid #e5e7eb;
          border-radius: 8px;
          padding: 1.25rem;
          margin: 1.5rem 0;
        }
        .autopost-blog .toc-title {
          font-weight: 700;
          font-size: 1rem;
          margin: 0 0 0.75rem;
        }
        .autopost-blog .toc ol {
          margin: 0;
          padding-left: 1.25rem;
        }
        .autopost-blog .toc li {
          margin: 0.35rem 0;
          font-size: 0.9rem;
        }
        .autopost-blog .pagination {
          display: flex;
          justify-content: center;
          gap: 0.5rem;
          margin-top: 2rem;
        }
        .autopost-blog .pagination a, .autopost-blog .pagination span {
          display: inline-flex;
          align-items: center;
          justify-content: center;
          min-width: 2.25rem;
          height: 2.25rem;
          padding: 0 0.5rem;
          border-radius: 4px;
          font-size: 0.9rem;
          border: 1px solid #e5e7eb;
        }
        .autopost-blog .pagination .active {
          background: var(--brand-primary);
          color: #fff;
          border-color: var(--brand-primary);
        }
        .autopost-blog .blog-nav-bar {
          background: rgba(0, 0, 0, 0.03);
          border-bottom: 1px solid rgba(0, 0, 0, 0.06);
          height: 36px;
          display: flex;
          align-items: center;
        }
        .autopost-blog .blog-nav-bar-inner {
          max-width: 1800px;
          margin: 0 auto;
          padding: 0 1rem;
          width: 100%;
          display: flex;
          justify-content: space-between;
          align-items: center;
        }
        .autopost-blog .blog-nav-bar-link {
          font-size: 0.75rem;
          color: #6b7280;
          text-decoration: none;
        }
        .autopost-blog .blog-nav-bar-link:hover {
          color: #374151;
          text-decoration: none;
        }
        .autopost-blog .blog-category-nav {
          display: flex;
          flex-wrap: wrap;
          gap: 0.5rem;
          margin-bottom: 1.5rem;
        }
        .autopost-blog .blog-category-tag {
          display: inline-flex;
          align-items: center;
          gap: 0.25rem;
          padding: 0.375rem 0.75rem;
          border-radius: 9999px;
          font-size: 0.8rem;
          font-weight: 500;
          border: 1px solid #e5e7eb;
          color: #4b5563;
          background: #fff;
          text-decoration: none;
          transition: all 0.15s;
        }
        .autopost-blog .blog-category-tag:hover {
          border-color: var(--brand-primary);
          color: var(--brand-primary);
          text-decoration: none;
        }
        .autopost-blog .blog-category-tag.active {
          background: var(--brand-primary);
          color: #fff;
          border-color: var(--brand-primary);
        }
        .autopost-blog .blog-category-count {
          font-size: 0.7rem;
          opacity: 0.7;
        }
        .autopost-blog .blog-search-form {
          display: flex;
          gap: 0.5rem;
          margin-bottom: 1.5rem;
          max-width: 400px;
        }
        .autopost-blog .blog-search-input {
          flex: 1;
          padding: 0.5rem 0.75rem;
          border: 1px solid #e5e7eb;
          border-radius: 6px;
          font-size: 0.875rem;
          outline: none;
          transition: border-color 0.15s;
        }
        .autopost-blog .blog-search-input:focus {
          border-color: var(--brand-primary);
        }
        .autopost-blog .blog-search-button {
          padding: 0.5rem 1rem;
          background: var(--brand-primary);
          color: #fff;
          border: none;
          border-radius: 6px;
          font-size: 0.875rem;
          cursor: pointer;
          transition: opacity 0.15s;
        }
        .autopost-blog .blog-search-button:hover {
          opacity: 0.9;
        }
        /* AI disclaimer */
        .autopost-blog .ai-disclaimer {
          margin-top: 2rem;
          padding: 0.75rem 1rem;
          background: #f9fafb;
          border: 1px solid #e5e7eb;
          border-radius: 6px;
          font-size: 0.8rem;
          color: #6b7280;
          line-height: 1.6;
        }
        /* Hamburger menu button (hidden on desktop) */
        .autopost-blog .blog-header-hamburger {
          display: none;
          background: none;
          border: none;
          cursor: pointer;
          padding: 0.5rem;
          margin-left: auto;
          z-index: 1001;
        }
        .autopost-blog .blog-header-hamburger span {
          display: block;
          width: 22px;
          height: 2px;
          margin: 5px 0;
          background: currentColor;
          transition: transform 0.3s, opacity 0.3s;
        }
        .autopost-blog .blog-header-hamburger.active span:nth-child(1) {
          transform: rotate(45deg) translate(5px, 5px);
        }
        .autopost-blog .blog-header-hamburger.active span:nth-child(2) {
          opacity: 0;
        }
        .autopost-blog .blog-header-hamburger.active span:nth-child(3) {
          transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
          .autopost-blog .blog-header-hamburger {
            display: block;
          }
          .autopost-blog .blog-header-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: inherit;
            flex-direction: column;
            padding: 1rem;
            gap: 0.75rem;
            border-bottom: 1px solid #e5e7eb;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            z-index: 1000;
          }
          .autopost-blog .blog-header-nav.open {
            display: flex;
          }
          .autopost-blog .blog-header-inner {
            flex-wrap: wrap;
            position: relative;
          }
          .autopost-blog .blog-header-title {
            font-size: 1rem;
          }
          .autopost-blog .blog-header-logo {
            max-height: 32px;
          }
        }

        @media (max-width: 640px) {
          .autopost-blog .blog-grid {
            grid-template-columns: 1fr;
          }
          .autopost-blog .article-container {
            padding: 1rem;
          }
          .autopost-blog .article-title {
            font-size: 1.35rem;
          }
        }

        /* Pillar-cluster structural links */
        .autopost-blog .pillar-breadcrumb {
          margin-bottom: 1.5rem;
          padding: 0.75rem 1rem;
          background: #f0f9ff;
          border-radius: 6px;
          border-left: 3px solid var(--brand-primary, #3b82f6);
          font-size: 0.9rem;
          color: #4b5563;
        }
        .autopost-blog .pillar-breadcrumb a {
          color: var(--brand-primary, #2563eb);
          text-decoration: none;
          font-weight: 500;
        }
        .autopost-blog .pillar-breadcrumb a:hover {
          text-decoration: underline;
        }
        .autopost-blog .cluster-links {
          margin-top: 2.5rem;
          padding: 1.5rem;
          background: #f9fafb;
          border-radius: 8px;
          border: 1px solid #e5e7eb;
        }
        .autopost-blog .cluster-links h2 {
          margin: 0 0 1rem;
          font-size: 1.25rem;
          color: #111827;
        }
        .autopost-blog .cluster-links ul {
          list-style: none;
          padding: 0;
          margin: 0;
        }
        .autopost-blog .cluster-links li {
          padding: 0.5rem 0;
          border-bottom: 1px solid #e5e7eb;
        }
        .autopost-blog .cluster-links li:last-child {
          border-bottom: none;
        }
        .autopost-blog .cluster-links a {
          color: var(--brand-primary, #2563eb);
          text-decoration: none;
        }
        .autopost-blog .cluster-links a:hover {
          text-decoration: underline;
        }
        /* LocalBusiness 可視ブロック — 独立した自前デザイン。
           brand-hp の .info 構造には依存せず、 一覧ページのフッター + 記事ページのフッターの
           両方で同じ見た目になるよう自己完結した CSS で構築。 */
        .blog-local-business {
          margin: 4rem 0 0;
          padding: clamp(48px, 6vw, 72px) 1.25rem;
          background: #1a1410;
          color: #e0d4bf;
          font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
        }
        .blog-local-business__inner {
          max-width: 1100px;
          margin-inline: auto;
          display: grid;
          grid-template-columns: minmax(0, 1fr);
          gap: clamp(24px, 4vw, 40px);
          align-items: start;
        }
        .blog-local-business--has-image .blog-local-business__inner {
          grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
        }
        .blog-local-business__text {
          display: flex;
          flex-direction: column;
          gap: 16px;
          min-width: 0;
        }
        .blog-local-business__eyebrow {
          margin: 0;
          font-size: 11px;
          letter-spacing: 0.42em;
          font-style: italic;
          font-family: 'Bodoni Moda', 'Times New Roman', serif;
          color: #efe6d6;
          text-transform: uppercase;
        }
        .blog-local-business__title {
          margin: 0 0 0.5rem;
          font-size: clamp(18px, 1.6vw, 22px);
          font-weight: 500;
          letter-spacing: 0.08em;
          line-height: 1.5;
          color: #f8f1e6;
          font-family: 'Hiragino Mincho ProN', 'YuMincho', 'BIZ UDPMincho', serif;
        }
        .blog-local-business__rows {
          display: flex;
          flex-direction: column;
          gap: 10px;
        }
        .blog-local-business__row {
          display: grid;
          grid-template-columns: 4.5rem minmax(0, 1fr);
          gap: 14px;
          align-items: baseline;
          font-size: 14px;
          line-height: 1.85;
        }
        .blog-local-business__label {
          font-size: 10.5px;
          letter-spacing: 0.22em;
          font-style: italic;
          font-family: 'Bodoni Moda', 'Times New Roman', serif;
          color: #b8a98e;
        }
        .blog-local-business__value {
          color: #e0d4bf;
          word-break: break-word;
          min-width: 0;
        }
        .blog-local-business__value a {
          color: #f8f1e6;
          text-decoration: none;
          border-bottom: 1px solid rgba(248, 241, 230, 0.25);
          transition: border-color 0.2s ease, color 0.2s ease;
        }
        .blog-local-business__value a:hover {
          color: #ffffff;
          border-bottom-color: rgba(248, 241, 230, 0.7);
        }
        .blog-local-business__media {
          margin: 0;
          width: 100%;
          aspect-ratio: 4 / 5;
          overflow: hidden;
          border-radius: 4px;
        }
        .blog-local-business__media img {
          width: 100%;
          height: 100%;
          object-fit: cover;
          display: block;
        }
        @media (max-width: 768px) {
          .blog-local-business--has-image .blog-local-business__inner {
            grid-template-columns: minmax(0, 1fr);
          }
          .blog-local-business__media {
            aspect-ratio: 4 / 3;
            max-height: 320px;
            order: -1;
          }
        }
        @media (max-width: 480px) {
          .blog-local-business__row {
            grid-template-columns: 3.6rem minmax(0, 1fr);
            gap: 10px;
            font-size: 13.5px;
          }
        }