:root{--bg: #f7f5f2;--fg: #1c1917;--muted: #78716c;--border: #e7e5e4;--card: #fff;--soft: #f5f5f4;--accent: #0f766e}*{box-sizing:border-box}body{margin:0;font-family:Hiragino Sans,Noto Sans JP,ui-sans-serif,system-ui,sans-serif;background:radial-gradient(1200px 600px at 10% -10%,#ccfbf1 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,#fef3c7 0%,transparent 50%),var(--bg);color:var(--fg);line-height:1.55;min-height:100vh}.shell{max-width:480px;margin:0 auto;padding:1.25rem 1rem 3rem}.brand{font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:.75rem}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.25rem;box-shadow:0 10px 30px #1c19170a}h1{font-size:1.35rem;margin:0 0 .4rem;letter-spacing:-.02em}.muted{color:var(--muted);font-size:.9rem}.progress{height:6px;background:var(--soft);border-radius:999px;overflow:hidden;margin:1rem 0 1.25rem}.progress>i{display:block;height:100%;background:var(--accent);border-radius:inherit}.q-label{font-weight:600;margin-bottom:.75rem}.req{color:#b91c1c;margin-left:.2rem}.field{margin-bottom:1rem}.input,.textarea,select.input{width:100%;border:1px solid var(--border);border-radius:10px;padding:.7rem .8rem;font:inherit;background:#fff}.textarea{min-height:110px;resize:vertical}.choices{display:grid;gap:.45rem}.choice{display:flex;gap:.55rem;align-items:center;border:1px solid var(--border);border-radius:10px;padding:.65rem .75rem;cursor:pointer;background:#fff}.choice:has(input:checked){border-color:var(--accent);background:#f0fdfa}.scale{display:flex;flex-wrap:wrap;gap:.4rem}.scale button{min-width:2.4rem;height:2.4rem;border-radius:10px;border:1px solid var(--border);background:#fff;font:inherit;cursor:pointer}.scale button.on{background:var(--accent);border-color:var(--accent);color:#fff}.row{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.65rem 1rem;border-radius:10px;border:1px solid transparent;font:inherit;font-weight:600;cursor:pointer;background:var(--accent);color:#fff}.btn.outline{background:#fff;border-color:var(--border);color:var(--fg)}.btn:disabled{opacity:.45;cursor:not-allowed}.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:12px;padding:1rem}.thanks h1{color:var(--accent)}