*{box-sizing:border-box}body{margin:0;font:16px Arial,Helvetica,sans-serif;color:#242424;background:#fff}header{border-bottom:1px solid #ddd;padding:24px max(20px,calc((100vw - 1200px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px}header a{color:#222;text-decoration:none}.logo{font-size:30px;letter-spacing:5px;font-weight:bold}.notice{background:#f4eee7;padding:16px 24px;text-align:center;line-height:1.5}main{max-width:1200px;margin:28px auto;padding:0 20px}h1{font-size:26px}a{color:inherit}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.card a{text-decoration:none}.card img{width:100%;aspect-ratio:3/4;object-fit:cover;background:#f6f6f6}.card h2{font-size:16px;font-weight:normal;line-height:1.5}.detail{display:grid;grid-template-columns:1fr 1fr;gap:40px}.detail img{width:100%;max-height:850px;object-fit:contain}.description{white-space:pre-wrap;line-height:1.7}.search{width:100%;max-width:500px;padding:12px;border:1px solid #ccc;margin-bottom:24px}footer{padding:30px 20px;border-top:1px solid #ddd;text-align:center;color:#666}.empty{background:#f6f6f6;aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;color:#777}@media(max-width:800px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail{grid-template-columns:1fr}header{flex-direction:column}}