:root{--fg:#1f2933;--muted:#616e7c;--line:#d9dee3;--bg:#f5f7f8;--accent:#06c755;--accent-dark:#04a145;--error:#c62828;--error-bg:#fdecea;--warn-bg:#fff8e1;color:var(--fg);background:var(--bg);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.6}*{box-sizing:border-box}body{margin:0}.app-header{border-bottom:1px solid var(--line);background:#fff;padding:12px 16px}.app-header h1{margin:4px 0 0;font-size:1.15rem}.poc-badge{color:#7a4f01;background:#ffe8a3;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:700;display:inline-block}.app-main{max-width:480px;margin:0 auto;padding:16px}.card{border:1px solid var(--line);background:#fff;border-radius:10px;padding:16px}.lead{margin:0 0 8px}.lead.success{color:var(--accent-dark);font-weight:700}.notice{background:var(--warn-bg);border-radius:6px;margin:0 0 16px;padding:8px 10px;font-size:.9rem}.muted{color:var(--muted)}fieldset{border:0;margin:0;padding:0}.field{margin:0 0 14px}.field label,.field legend{margin-bottom:4px;font-size:.95rem;font-weight:700;display:block}.field-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.radio{align-items:center;gap:8px;padding:6px 0;display:flex;font-weight:400!important}.radio input{width:20px;height:20px}input[type=text],input[type=email],input[type=date]{border:1px solid var(--line);background:#fff;border-radius:6px;width:100%;padding:10px;font-size:16px}.field.invalid input{border-color:var(--error)}.hint{color:var(--muted);margin:4px 0 0;font-size:.85rem}.field-error{color:var(--error);margin:4px 0 0;font-size:.85rem}.message{border-radius:6px;margin:0 0 14px;padding:10px 12px}.message p{margin:0}.message .sub{margin-top:4px;font-size:.9rem}.message.error{background:var(--error-bg);color:var(--error)}button{cursor:pointer;border:0;border-radius:8px;width:100%;padding:12px;font-size:1rem}button.primary{background:var(--accent);color:#fff;font-weight:700}button.primary:disabled{cursor:default;background:#9adbb4}button.secondary{color:var(--fg);border:1px solid var(--line);background:#fff;margin-top:16px}table.result{border-collapse:collapse;width:100%;font-size:.95rem}table.result th,table.result td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:8px 6px}table.result th{width:40%;color:var(--muted);font-weight:400}table.result td{word-break:break-all}