/*--------------------------------------------------------------
# Blog Detail Section
--------------------------------------------------------------*/

        body {
            background-color: #f8fafc;
            color: #1e293b;
            font-family: 'Helvetica Neue', Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
            padding-top: 50px;
            /*padding-bottom: 80px;*/
        }
        
        .content-box {
            background: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
            margin-bottom: 30px;
            padding-top:50px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }
        .article-date {
            font-size: 0.9rem;
            color: #94a3b8;
            font-weight: 500;
        }
        .category-badge {
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge-web { background-color: rgba(196,77,151,1.0); color: #FFFFFF; }
        .badge-graphic { background-color: rgba(64,183,218,1.0); color: #FFFFFF; }
        .badge-sign { background-color: rgba(46,109,158,1.0); color: #FFFFFF; }
        .badge-info { background-color: rgba(83,83,83,1.0); color: #FFFFFF; }

        .article-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.4;
            color: #0f172a;
            margin-bottom: 25px;
            padding-bottom: 20px;
            border-bottom: 2px solid #f1f5f9;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: rgba(83,83,83,1.0);
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }

        /* サイドバー用のスタイル */
        .sidebar-box {
            padding: 30px;
            padding-top: 50px;
        }
        .sidebar-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        .recent-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .recent-item {
            padding: 12px 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        .recent-item:last-child {
            border-bottom: none;
        }
        .recent-link {
            text-decoration: none;
            color: #334155;
            display: block;
            transition: color 0.2s ease;
        }
        .recent-link:hover {
            color: #0284c7;
        }
        .recent-date {
            font-size: 0.8rem;
            color: #94a3b8;
            display: block;
            margin-bottom: 2px;
        }
        .recent-post-title {
            font-size: 0.95rem;
            font-weight: 500;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
        }

        /* ページネーション（Prev / Next）の調整 */
        .article-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-btn {
            background-color: #f1f5f9;
            color: #475569;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s ease;
        }
        .nav-btn:hover {
            background-color: #e2e8f0;
            color: #0f172a;
        }
        .nav-btn.prev {
            margin-right: auto;
        }
        .nav-btn.next {
            margin-left: auto;
        }