:root{--bg: #f4f6fa;--card: #ffffff;--ink: #15202b;--muted: #5b6672;--line: #d9dee6;--primary: #1d4ed8;--primary-ink: #ffffff;--primary-soft: #e8efff;--accent-a: #0e7490;--accent-b: #b45309;--error: #b91c1c;--error-soft: #fee2e2;--ok: #047857;--radius: 12px;--max: 640px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,Apple SD Gothic Neo,Malgun Gothic,Noto Sans KR,system-ui,sans-serif;font-size:16px;line-height:1.5;word-break:keep-all}button,input{font:inherit}.app{max-width:var(--max);margin:0 auto;padding:0 16px 48px}.loading,.message{padding:48px 0;text-align:center;color:var(--muted)}.message h1{font-size:22px;color:var(--ink)}.preview-mode:before{content:"미리보기 모드 — 응답이 저장되지 않습니다";display:block;background:#fef3c7;color:#92400e;text-align:center;font-size:13px;padding:6px}.intro-head{padding:24px 0 8px}.sponsor{font-size:13px;color:var(--muted);margin:0 0 6px}.intro-head h1{font-size:22px;margin:0 0 4px;line-height:1.3}.subtitle{color:var(--muted);margin:0;font-size:14px}.info{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;margin:16px 0;font-size:14px}.info th,.info td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.info th{width:84px;color:var(--muted);font-weight:600;white-space:nowrap}.info tr:last-child th,.info tr:last-child td{border-bottom:0}.incentive{font-size:14px;color:var(--accent-b);margin:8px 0 16px}.notice{background:var(--primary-soft);border-radius:var(--radius);padding:12px;font-size:14px}.notice.ok{background:#d1fae5;color:var(--ok)}.consent{display:flex;gap:10px;align-items:flex-start;margin:20px 0 12px;font-size:15px}.consent input{width:22px;height:22px;flex:none;margin-top:2px}.btn{display:block;width:100%;min-height:48px;padding:12px 16px;margin:10px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);color:var(--ink);cursor:pointer}.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);font-weight:600}.btn:disabled{opacity:.45;cursor:not-allowed}.nav{display:flex;gap:10px;margin-top:16px}.nav .btn{flex:1}.nav .btn.primary{flex:2}.progress{position:sticky;top:0;z-index:5;background:var(--bg);margin:0 -16px;padding:10px 16px 8px}.progress-text{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--muted);gap:8px}.progress-text strong{color:var(--ink);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar{height:6px;background:var(--line);border-radius:3px;margin-top:6px;overflow:hidden}.bar-fill{height:100%;background:var(--primary);transition:width .3s}.block-title{font-size:19px;margin:16px 0 4px}.block-code{display:inline-block;min-width:28px;padding:0 6px;border-radius:6px;background:var(--primary);color:#fff;font-size:14px;text-align:center}.block-sub{color:var(--muted);font-size:14px;margin:0 0 8px}.block-desc{background:var(--primary-soft);border-radius:var(--radius);padding:12px;font-size:14px}.q-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin:14px 0}.q-card.has-error{border-color:var(--error)}.q-title{font-size:16px;margin:0 0 10px;line-height:1.45}.q-num{color:var(--primary);font-weight:700}.q-error{margin-top:8px;color:var(--error);background:var(--error-soft);border-radius:8px;padding:8px 10px;font-size:14px}.hint{font-size:13px;color:var(--muted);margin:4px 0 8px}.save-status{min-height:20px;font-size:14px;color:var(--muted);text-align:center;margin-top:8px}.opts{display:flex;flex-direction:column;gap:8px}.opt{display:flex;align-items:center;gap:10px;width:100%;min-height:46px;padding:10px 12px;text-align:left;border:1.5px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);cursor:pointer}.opt-num{flex:none;font-size:18px;color:var(--muted);line-height:1}.opt.on{border-color:var(--primary);background:var(--primary-soft);font-weight:600}.opt.on .opt-num{color:var(--primary)}.opt.on:after{content:"✓";margin-left:auto;color:var(--primary);font-weight:700}.opt.dim{opacity:.45}.multi-counter{font-size:13px;color:var(--muted);margin-bottom:8px}.matrix{display:flex;flex-direction:column;gap:10px}.anchor{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.m-item{border:1px solid var(--line);border-radius:10px;padding:10px}.m-item.missing{border-color:var(--error);background:#fff7f7}.m-label{font-size:15px;font-weight:600;margin-bottom:8px}.m-dim{display:flex;align-items:center;gap:8px;margin-top:6px}.m-dim-label{flex:none;width:64px;font-size:13px;color:var(--muted)}.scale{display:flex;gap:4px;flex:1}.scale-btn{flex:1;min-width:0;min-height:44px;padding:4px 2px;border:1.5px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font-size:11.5px;line-height:1.2;cursor:pointer;word-break:keep-all}.scale-btn.on{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:700}.m-dim .scale-btn{font-size:15px}.cs-set{font-size:13px;color:var(--muted);margin-bottom:8px}.cs-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-bottom:12px;table-layout:fixed}.cs-table th,.cs-table td{border:1px solid var(--line);padding:8px 6px;vertical-align:top;text-align:left}.cs-table thead th{background:#eef1f5;text-align:center}.cs-table tbody th{width:72px;color:var(--muted);font-weight:600;font-size:12.5px;background:#fafbfc}.cs-table thead .cs-a{color:var(--accent-a)}.cs-table thead .cs-b{color:var(--accent-b)}.cs-table.pick-a .cs-a{background:#e0f2fe}.cs-table.pick-b .cs-b{background:#fef3c7}.cs-table.pick-none td{opacity:.55}.cs-opt:nth-child(1).on{border-color:var(--accent-a);background:#e0f2fe}.cs-opt:nth-child(2).on{border-color:var(--accent-b);background:#fef3c7}.contact-fields{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}.field{display:block;margin:8px 0}.field span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.field input{width:100%;min-height:46px;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px}.field input:focus{outline:2px solid var(--primary);outline-offset:1px}.done{text-align:center;padding-top:40px}.done-mark{width:64px;height:64px;margin:0 auto 12px;border-radius:50%;background:var(--ok);color:#fff;font-size:34px;line-height:64px}.done h1{font-size:22px}.outro{color:var(--muted)}.incentive-form{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin:20px 0}.incentive-form h3{margin:0 0 6px;font-size:16px}.foot{font-size:12px;color:var(--muted);text-align:center;margin-top:24px}@media (min-width: 480px){.scale-btn{font-size:12.5px}.cs-table{font-size:14px}}@media (prefers-reduced-motion: reduce){.bar-fill{transition:none}}