*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f5f7}.page{width:100%;max-width:480px;padding:2rem 1rem 1rem;display:flex;flex-direction:column;align-items:center;margin:0 auto}.logo{font-size:12px;font-weight:600;letter-spacing:.1em;color:#4f46e5;margin-bottom:1.75rem}.card{width:100%;background:#fff;border-radius:20px;border:.5px solid #e5e7eb;padding:1.5rem}.card-title{font-size:20px;font-weight:600;color:#111827;margin-bottom:.25rem}.card-sub{font-size:13px;color:#9ca3af;margin-bottom:1.5rem}.drop-zone{border:1.5px dashed #c7d2fe;border-radius:14px;padding:2rem 1rem;display:flex;flex-direction:column;align-items:center;gap:.625rem;cursor:pointer;background:#fafafa;transition:border-color .2s,background .2s;margin-bottom:1.25rem;position:relative}.drop-zone:hover,.drop-zone.drag-over{border-color:#4f46e5;background:#eef2ff}.drop-icon{width:44px;height:44px;border-radius:50%;background:#eef2ff;display:flex;align-items:center;justify-content:center}.drop-text{font-size:14px;font-weight:500;color:#4f46e5}.drop-hint{font-size:11px;color:#d1d5db;text-align:center}.thumb-wrap{width:100%;border-radius:12px;overflow:hidden;position:relative;margin-bottom:1.25rem;background:#f3f4f6;aspect-ratio:16 / 9}.thumb-wrap img{width:100%;height:100%;object-fit:cover;display:block}.change-btn{position:absolute;bottom:.625rem;right:.625rem;background:#00000073;color:#fff;border:none;border-radius:8px;font-size:12px;padding:.35rem .75rem;cursor:pointer}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:.875rem 0;border-top:.5px solid #f3f4f6;border-bottom:.5px solid #f3f4f6;margin-bottom:1.25rem}.toggle-label{font-size:14px;color:#374151}.toggle{position:relative;width:42px;height:24px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.slider{position:absolute;inset:0;background:#e5e7eb;border-radius:12px;cursor:pointer;transition:background .25s}.slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .25s;box-shadow:0 1px 3px #00000026}.toggle input:checked+.slider{background:#4f46e5}.toggle input:checked+.slider:before{transform:translate(18px)}.upload-btn{width:100%;height:48px;background:#4f46e5;color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}.upload-btn:disabled{background:#e5e7eb;color:#9ca3af;cursor:not-allowed}.upload-btn:not(:disabled):hover{background:#4338ca}.upload-btn:not(:disabled):active{transform:scale(.98)}.progress-wrap{height:3px;background:#e5e7eb;border-radius:2px;margin-top:.875rem;overflow:hidden}.progress-bar{height:100%;background:#4f46e5;border-radius:2px;width:0;transition:width .15s}.result{margin-top:1.25rem}.result-label{font-size:12px;color:#9ca3af;margin-bottom:.5rem}.link-row{display:flex;gap:8px}.link-input{flex:1;min-width:0;background:#f9fafb;border:.5px solid #e5e7eb;border-radius:10px;padding:.5rem .75rem;font-size:13px;color:#374151;outline:none}.copy-btn{background:#4f46e5;color:#fff;border:none;border-radius:10px;padding:.5rem 1.125rem;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s}.copy-btn:hover{background:#4338ca}.error{margin-top:.75rem;font-size:13px;color:#ef4444}.page-note{font-size:11px;color:#d1d5db;text-align:center;margin-top:1.25rem}.expired-card{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem 1.5rem}.expired-msg{font-size:15px;color:#6b7280;text-align:center}.hidden{display:none!important}.nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #e5e7eb}.nav-inner{max-width:1200px;margin:0 auto;padding:0 1.5rem;height:64px;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:700;color:#4f46e5}.nav-links{display:flex;align-items:center;gap:2rem}.nav-links a{font-size:.9rem;font-weight:500;color:#6b7280;transition:color .2s}.nav-links a:hover{color:#4f46e5}.nav-cta{background:#4f46e5;color:#fff;padding:.5rem 1.25rem;border-radius:.5rem;font-weight:600;font-size:.9rem;transition:background .2s,transform .2s}.nav-cta:hover{background:#4338ca;transform:translateY(-1px)}.nav-mobile-toggle{display:none;color:#6b7280;font-size:1.25rem;border:none;background:none}.nav-mobile-menu{display:none;border-top:1px solid #e5e7eb;background:#fff;padding:1rem 1.5rem}.nav-mobile-menu.open{display:block}.nav-mobile-menu a,.nav-mobile-menu button{display:block;width:100%;padding:.65rem 0;font-size:.95rem;color:#374151;font-weight:500;text-align:left;border-bottom:1px solid #f3f4f6}.nav-mobile-menu button{margin-top:.75rem;background:#4f46e5;color:#fff;border-radius:.5rem;padding:.75rem;text-align:center;border:none;font-weight:600}.spinner-overlay{position:absolute;inset:0;border-radius:12px;background:#ffffffbf;display:flex;align-items:center;justify-content:center;z-index:10}.seo-section{width:100%;max-width:480px;margin:2.5rem auto 0;padding:0 1rem 4rem}.seo-inner{border-top:.5px solid #e5e7eb;padding-top:2rem;display:flex;flex-direction:column;gap:1rem}.seo-lead{font-size:14px;color:#374151;line-height:1.65;font-weight:500}.seo-section h2{font-size:15px;font-weight:600;color:#111827;margin-top:.5rem}.seo-section p{font-size:13px;color:#6b7280;line-height:1.7}.seo-section ol{padding-left:1.25rem;display:flex;flex-direction:column;gap:.4rem}.seo-section ol li{font-size:13px;color:#6b7280;line-height:1.6}@media(prefers-color-scheme:dark){.spinner-overlay{background:#0000008c}}.spinner{width:32px;height:32px;border:3px solid #e0e0e0;border-top-color:#4f46e5;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.nav-links,.desktop-only{display:none}.nav-mobile-toggle{display:block}}