*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;background:#fafaf8;color:#2c2c2c;line-height:1.8;min-height:100vh;display:flex;flex-direction:column}header{background:#fff;border-bottom:1px solid #e8e4df;padding:0 1.5rem;position:-webkit-sticky;position:sticky;top:0;z-index:10}.header-inner{max-width:800px;margin:0 auto;height:56px;display:flex;align-items:center}.site-title{font-size:1.2rem;font-weight:700;color:#2c2c2c;text-decoration:none;letter-spacing:.05em}main{flex:1 1;max-width:800px;margin:0 auto;width:100%;padding:2.5rem 1.5rem}footer{text-align:center;padding:1.5rem;font-size:.85rem;color:#888;border-top:1px solid #e8e4df}.post-list{list-style:none;display:flex;flex-direction:column;gap:1.5rem}.post-card{background:#fff;border:1px solid #e8e4df;border-radius:8px;padding:1.5rem;transition:box-shadow .15s}.post-card:hover{box-shadow:0 2px 8px rgba(0,0,0,.08)}.post-card a{text-decoration:none;color:inherit}.post-card h2{font-size:1.15rem;margin-bottom:.4rem}.post-card .meta{font-size:.8rem;color:#888;margin-bottom:.6rem}.post-card .summary{font-size:.9rem;color:#555}.tag-list{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.8rem}.tag{background:#f0ece8;border-radius:4px;padding:.2rem .6rem;font-size:.78rem;color:#555;text-decoration:none}.tag:hover{background:#e0dbd5}.post-body{max-width:680px}.post-body h1{font-size:1.6rem;margin-bottom:.3rem}.post-body .meta{font-size:.82rem;color:#888;margin-bottom:1.5rem}.post-body .body-text{font-size:1rem;line-height:1.9;white-space:pre-wrap;word-break:break-word}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.admin-table{width:100%;border-collapse:collapse;font-size:.9rem}.admin-table td,.admin-table th{padding:.7rem .8rem;text-align:left;border-bottom:1px solid #e8e4df}.admin-table th{background:#f5f3f0;font-weight:600}.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.2rem}label{font-size:.9rem;font-weight:600}input[type=text],textarea{border:1px solid #d0ccc8;border-radius:6px;padding:.6rem .8rem;font-size:.95rem;font-family:inherit;background:#fff;width:100%;resize:vertical}input[type=text]:focus,textarea:focus{outline:2px solid #7c6f5e;outline-offset:1px}.btn{display:inline-flex;align-items:center;gap:.3rem;padding:.5rem 1.1rem;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;border:1px solid transparent;text-decoration:none;transition:opacity .15s}.btn:hover{opacity:.82}.btn-primary{background:#2c2c2c;color:#fff}.btn-secondary{background:#f0ece8;color:#2c2c2c;border-color:#d0ccc8}.btn-danger{background:#dc2626;color:#fff}.btn-ai{background:#7c6f5e;color:#fff}.btn-sm{padding:.3rem .7rem;font-size:.8rem}.btn-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.5rem}.page-title{font-size:1.4rem;font-weight:700;margin-bottom:.3rem}.page-subtitle{font-size:.85rem;color:#888;margin-bottom:1.8rem}.status-badge{display:inline-block;padding:.15rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600}.status-published{background:#d1fae5;color:#065f46}.status-draft{background:#f3f4f6;color:#6b7280}