:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#102a43;background:#eef4f8}*{box-sizing:border-box}body{margin:0;min-height:100vh}.shell{min-height:100vh;display:grid;place-items:center;padding:24px}.card{width:min(100%,560px);background:#fff;border:1px solid #d9e2ec;border-radius:18px;padding:32px;box-shadow:0 18px 48px rgba(16,42,67,.12)}.brand{font-weight:800;letter-spacing:.14em;color:#087ca7;font-size:.78rem}h1{margin:10px 0 8px;font-size:clamp(1.8rem,5vw,2.4rem);line-height:1.1}.intro,.privacy{color:#486581;line-height:1.55}.notice{margin:22px 0;padding:14px 16px;border-radius:10px;background:#e6f6ff;color:#035388}.notice.error{background:#fff0f0;color:#b42318}.notice.success{background:#e7f8ef;color:#176b3a}.picker{display:block;padding:18px;border:2px dashed #9fb3c8;border-radius:12px;background:#f8fbfd;cursor:pointer}.picker-title{display:block;font-weight:750}.picker-help{display:block;margin-top:5px;color:#627d98;font-size:.9rem;line-height:1.45}input[type=file]{width:100%;margin:12px 0}.selection{min-height:24px;margin:8px 0 14px;color:#334e68;font-size:.92rem}button{width:100%;border:0;border-radius:10px;padding:14px 18px;background:#087ca7;color:#fff;font-size:1rem;font-weight:750;cursor:pointer}button:disabled{background:#9fb3c8;cursor:wait}.privacy{margin:22px 0 0;font-size:.82rem}@media(max-width:520px){.card{padding:24px 20px;border-radius:14px}.shell{padding:12px}}