:root{--color-indigo-main:#4f46e5;--color-indigo-light:#e0e7ff;--color-indigo-border:#c7d2fe}.breadcrumb-wrapper{background:rgba(255,255,255,.8);border-bottom:1px solid #eee;position:relative;z-index:50;width:100%}.breadcrumb-list{display:flex;align-items:center;gap:8px;padding:10px 0;font-size:13px;color:#888;list-style:none;margin:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.breadcrumb-link{display:inline-flex;align-items:center;gap:4px;color:#666;text-decoration:none;flex-shrink:0}.breadcrumb-separator{color:#ccc;display:flex;align-items:center;flex-shrink:0}.seibi-wrapper .breadcrumb-current{color:var(--color-indigo-main)!important;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.seibi-wrapper .breadcrumb-link:hover{color:var(--color-indigo-main)!important;opacity:.8}.news-layout-container{display:flex;flex-direction:column;gap:40px;padding:40px 0}@media (min-width:1024px){.news-layout-container{flex-direction:row;align-items:flex-start}.news-sidebar{width:280px;flex-shrink:0;position:sticky;top:120px}.news-main{flex:1;min-width:0}}.sidebar-box{background:#fff;padding:20px;border-radius:20px;border:1px solid var(--color-indigo-border);margin-bottom:20px;box-shadow:0 4px 10px rgba(0,0,0,.05)}.sidebar-title{font-size:1.1rem;font-weight:700;color:var(--color-indigo-main);margin-bottom:15px;display:flex;align-items:center;gap:8px;border-bottom:2px dashed var(--color-indigo-light);padding-bottom:10px}.sidebar-list{display:flex;flex-direction:column;gap:8px;list-style:none;padding:0;margin:0}.sidebar-link{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:8px;font-weight:700;text-decoration:none;transition:.3s;color:#666;width:100%}.sidebar-link.active,.sidebar-link:hover{background:var(--color-indigo-light);color:var(--color-indigo-main)}.count-badge{background:#f3f4f6;color:#9ca3af;font-size:.75rem;padding:2px 8px;border-radius:20px;min-width:24px;text-align:center}.single-entry{background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--color-indigo-border);box-shadow:0 5px 25px rgba(0,0,0,.05);padding:30px;margin-bottom:40px}@media (min-width:768px){.single-entry{padding:50px}}.article-header{text-align:left;margin-bottom:30px;padding-bottom:25px;border-bottom:2px dashed var(--color-indigo-light)}.post-meta-top{display:flex;align-items:center;gap:15px;margin-bottom:15px;flex-wrap:wrap}.post-cat-label{display:inline-block;background:var(--color-indigo-main);color:#fff;font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:4px}.post-title{font-size:1.6rem;font-weight:800;color:#333;line-height:1.4;margin-bottom:0}@media (min-width:768px){.post-title{font-size:2.2rem}}.post-date{color:#888;font-size:.9rem;font-family:sans-serif;display:flex;align-items:center;gap:6px}.post-main-image{width:100%;max-height:500px;object-fit:cover;border-radius:15px;margin-bottom:50px;box-shadow:0 4px 15px rgba(0,0,0,.05)}.entry-content{font-size:1rem;line-height:1.9;color:#555;margin-bottom:50px}.entry-content h2{font-size:1.5rem;font-weight:800;color:var(--color-indigo-main);border-bottom:2px solid var(--color-indigo-light);padding-bottom:10px;margin-top:50px;margin-bottom:30px}.entry-content h3{font-size:1.3rem;font-weight:800;color:#333;border-left:5px solid var(--color-indigo-main);padding-left:15px;margin-top:40px;margin-bottom:20px}.entry-content p{margin-bottom:25px}.entry-content img{max-width:100%;height:auto;border-radius:10px}.sub-gallery-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:40px;margin-bottom:40px}@media (min-width:768px){.sub-gallery-grid{grid-template-columns:1fr 1fr}}.sub-img-item img{width:100%;height:auto;border-radius:15px;box-shadow:0 4px 10px rgba(0,0,0,.05);transition:transform .3s}.sub-img-item img:hover{transform:scale(1.02)}.post-navigation{display:grid;grid-template-columns:1fr;gap:20px;margin-top:40px}@media (min-width:768px){.post-navigation{grid-template-columns:1fr 1fr}}.nav-card{display:flex;flex-direction:column;justify-content:center;background:#fff;padding:20px;border-radius:15px;border:1px solid var(--color-indigo-border);text-decoration:none;transition:.3s;height:100%;position:relative}.nav-card:hover{background:var(--color-indigo-light);border-color:var(--color-indigo-main);transform:translateY(-3px);box-shadow:0 5px 15px rgba(79,70,229,.15)}.nav-label{font-size:.75rem;color:var(--color-indigo-main);font-weight:800;margin-bottom:5px;display:flex;align-items:center;gap:5px}.nav-title{font-size:.95rem;font-weight:700;color:#333;line-height:1.4;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.back-list-btn{display:block;width:fit-content;margin:40px auto 0;background:#fff;border:2px solid var(--color-indigo-main);color:var(--color-indigo-main);padding:12px 40px;border-radius:50px;font-weight:800;transition:.3s;text-decoration:none}.back-list-btn:hover{background:var(--color-indigo-main);color:#fff;box-shadow:0 5px 15px rgba(79,70,229,.3);transform:translateY(-2px)}