:root{--primary-color: #2c3e50;--accent-color: #34495e;--bg-color: #f7f9fa;--text-color: #333333;--light-text: #666666;--border-color: #e1e8ed}body{margin:0;padding:0;font-family:Noto Sans JP,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}a{text-decoration:none;color:var(--primary-color);transition:color .2s}a:hover{color:#1a252f;text-decoration:underline}header{background-color:#fff;border-bottom:1px solid var(--border-color);box-shadow:0 2px 4px #0000000d}.header-top{max-width:1000px;margin:0 auto;padding:20px;display:flex;justify-content:space-between;align-items:center}.site-title{margin:0;font-size:1.8rem;font-weight:700;letter-spacing:1px;font-family:"Noto Serif JP",serif}.site-title a{color:var(--primary-color);text-decoration:none}.header-utils .contact-btn{font-size:.9rem;color:var(--primary-color);border:1px solid var(--primary-color);padding:8px 16px;border-radius:20px;text-decoration:none;transition:all .2s;display:inline-block}.header-utils .contact-btn:hover{background-color:var(--primary-color);color:#fff;text-decoration:none}.nav-bar{background-color:var(--primary-color)}.nav-list{max-width:1000px;margin:0 auto;padding:0 20px;list-style:none;display:flex;overflow-x:auto}.nav-list li{white-space:nowrap}.nav-list a{display:block;padding:15px 20px;color:#fff;font-size:.95rem;text-decoration:none}.nav-list a:hover{background-color:var(--accent-color)}.hero-section{max-width:1000px;margin:20px auto 0;padding:0 20px}.slider-container{position:relative;width:100%;height:350px;border-radius:8px;overflow:hidden;background-color:#1a252f}.slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity .5s ease-in-out;display:flex;flex-direction:column;justify-content:flex-end}.slide.active{opacity:1;z-index:1}.slide img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.6}.slide-content{position:relative;z-index:2;padding:40px;background:linear-gradient(to top,rgba(26,37,47,.9),transparent)}.slide-title{margin:10px 0 0;font-size:1.8rem}.slide-title a{color:#fff;text-decoration:none;text-shadow:1px 1px 3px rgba(0,0,0,.5)}.slide-title a:hover{text-decoration:underline}.slider-controls{position:absolute;bottom:20px;right:20px;z-index:3;display:flex;gap:10px}.slider-btn{background-color:#fff3;border:none;color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.slider-btn:hover{background-color:#ffffff80}.container{max-width:1000px;margin:40px auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr;gap:40px}.article-list{display:flex;flex-direction:column;gap:20px}.article-card{background-color:#fff;border:1px solid var(--border-color);border-radius:8px;padding:20px;transition:transform .2s,box-shadow .2s;display:flex;gap:20px;align-items:flex-start}.article-thumbnail{flex-shrink:0;width:220px;height:140px;border-radius:6px;overflow:hidden;background-color:#eee}.article-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.article-card:hover .article-thumbnail img{transform:scale(1.05)}.article-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.article-content{flex-grow:1}.article-meta{font-size:.85rem;color:var(--light-text);margin-bottom:10px;display:flex;gap:15px}.category-tag{background-color:var(--primary-color);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:700}.tags-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.tag{background-color:#e1e8ed;color:var(--text-color);padding:2px 8px;border-radius:4px;font-size:.75rem}.article-title{margin:0 0 10px;font-size:1.4rem}.article-title a{color:var(--text-color)}.article-excerpt{color:var(--light-text);font-size:.95rem;margin:0}.sidebar-widget{background-color:#fff;border:1px solid var(--border-color);border-radius:8px;padding:20px;margin-bottom:30px}.widget-title{margin:0 0 15px;font-size:1.1rem;border-bottom:2px solid var(--primary-color);padding-bottom:8px;color:var(--primary-color)}.search-form{display:flex}.search-input{flex-grow:1;padding:10px;border:1px solid var(--border-color);border-radius:4px 0 0 4px;font-size:.9rem}.search-button{padding:10px 15px;background-color:var(--primary-color);color:#fff;border:none;border-radius:0 4px 4px 0;cursor:pointer;font-weight:700}.search-button:hover{background-color:var(--accent-color)}.ranking-list{list-style:none;padding:0;margin:0}.ranking-list li{margin-bottom:15px;display:flex;gap:10px;align-items:flex-start}.rank-badge{background-color:var(--primary-color);color:#fff;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:.8rem;font-weight:700;flex-shrink:0}.ranking-list li:nth-child(1) .rank-badge{background-color:#d4af37}.ranking-list li:nth-child(2) .rank-badge{background-color:silver}.ranking-list li:nth-child(3) .rank-badge{background-color:#c49c48}.ranking-title{font-size:.95rem;line-height:1.4;margin:0}footer{background-color:#1a252f;color:#fff;text-align:center;padding:20px;margin-top:60px;font-size:.9rem}#search-message{margin-top:10px;font-size:.85rem;color:#d35400;display:none}@media(max-width:768px){.header-top{flex-direction:column;text-align:center}.slider-container{height:250px}.slide-title{font-size:1.3rem}.slide-content{padding:20px}.container{grid-template-columns:1fr}.article-card{flex-direction:column;padding:15px}.article-thumbnail{width:100%;height:180px}}