@charset "UTF-8";.page-container{display:flex;justify-content:center;align-items:flex-start;min-height:100vh;background-color:#f1f5f9;padding:12px;box-sizing:border-box}.tool-card{width:100%;max-width:600px;background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;padding:16px;box-sizing:border-box}.tool-title{font-size:20px;color:#1e293b;text-align:center;margin-top:0;margin-bottom:8px;font-weight:700}.tool-subtitle{font-size:13.5px;color:#64748b;text-align:center;line-height:1.5;margin-bottom:20px;padding:0 8px}.section-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:16px;margin-bottom:16px;box-sizing:border-box}.section-title{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:#475569;margin-top:0;margin-bottom:12px;font-weight:600}.options-row{margin-bottom:12px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:14px;color:#334155;cursor:pointer}.display-group{display:flex;width:100%;margin-bottom:12px;box-sizing:border-box}.input-display{flex:1;min-width:0;height:44px;border:1px solid #cbd5e1;border-radius:6px 0 0 6px;padding:0 12px;font-size:16px;color:#334155;background-color:#fff;box-sizing:border-box}.btn-copy{height:44px;padding:0 16px;background-color:#64748b;color:#fff;border:none;border-radius:0 6px 6px 0;font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background-color .2s}.btn-copy:hover{background-color:#475569}.btn-copy:disabled{background-color:#cbd5e1;color:#94a3b8;cursor:not-allowed}.btn-success{height:44px;padding:0 16px;background-color:#10b981;color:#fff;border:none;border-radius:0 6px 6px 0;font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap}.btn-primary{width:100%;height:44px;background-color:#2563eb;color:#fff;border:none;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .2s;box-sizing:border-box}.btn-primary:hover{background-color:#1d4ed8}.adsense-placeholder{background:#f1f5f9;border:2px dashed #cbd5e1;border-radius:8px;padding:20px 10px;text-align:center;color:#94a3b8;font-size:12px;margin-bottom:16px;box-sizing:border-box}.seo-article{color:#334155;line-height:1.6;font-size:13.5px;margin-top:24px;padding:0 4px}.seo-article h2{font-size:16px;color:#1e293b;margin-bottom:8px}.seo-article h3{font-size:14.5px;color:#1e293b;margin-bottom:6px}.seo-article p{margin-top:0;margin-bottom:12px}@media(min-width:480px){.tool-card{padding:24px}.tool-title{font-size:24px}.tool-subtitle{font-size:14px}}