:root{--ink:#17211f;--muted:#61706c;--line:#dfe8e5;--bg:#f3f7f6;--card:#fff;--brand:#123b35;--brand2:#2f756a;--soft:#eaf3f1;--danger:#b42318;--shadow:0 16px 45px rgba(23,50,45,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Pretendard,"Noto Sans KR","Malgun Gothic",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}.hero{background:linear-gradient(135deg,#0f352f,#245c53);color:#fff;padding:52px 20px 96px}.hero-inner,.shell{width:min(1080px,calc(100% - 32px));margin:auto}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;opacity:.75}.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.15;margin:8px 0 14px}.hero p{max-width:760px;margin:0;color:rgba(255,255,255,.84)}.survey-shell{margin-top:-58px;margin-bottom:70px}.panel{background:var(--card);border:1px solid rgba(20,65,58,.08);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.progress-wrap{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);padding:18px 24px;border-bottom:1px solid var(--line)}.progress-top{display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:14px}.progress{height:7px;background:#e9efed;border-radius:999px;margin-top:10px;overflow:hidden}.progress>span{display:block;height:100%;width:20%;background:var(--brand2);transition:.25s}.step{display:none;padding:34px}.step.active{display:block}.section-kicker{color:var(--brand2);font-weight:800;font-size:14px}.step h2{margin:2px 0 24px;font-size:28px}.question{padding:24px 0;border-top:1px solid var(--line)}.question:first-of-type{border-top:0}.q-title{font-weight:750;font-size:17px;margin-bottom:6px}.req{color:var(--danger);font-size:12px;margin-left:5px}.hint{font-size:13px;color:var(--muted);margin:4px 0 12px}.choices{display:grid;gap:9px}.choice{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:#fff;cursor:pointer}.choice:hover{border-color:#9cbcb6;background:#fbfdfc}.choice input{margin-top:5px;accent-color:var(--brand2)}input[type=text],textarea,select{width:100%;border:1px solid #cddbd7;border-radius:12px;padding:12px 14px;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:130px;resize:vertical}input:focus,textarea:focus,select:focus{outline:3px solid rgba(47,117,106,.13);border-color:var(--brand2)}.matrix{width:100%;border-collapse:collapse;font-size:14px}.matrix th,.matrix td{border-bottom:1px solid var(--line);padding:11px 8px;text-align:center}.matrix th:first-child,.matrix td:first-child{text-align:left;width:58%}.matrix thead th{font-size:12px;color:var(--muted);background:#f8faf9}.matrix input{accent-color:var(--brand2)}.nav{display:flex;justify-content:space-between;gap:12px;padding:22px 34px;border-top:1px solid var(--line);background:#fbfcfc}.btn{border:0;border-radius:12px;padding:12px 18px;font-weight:750;font-size:15px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:var(--brand);color:#fff}.btn-secondary{background:#e8efed;color:var(--brand)}.btn-light{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn-danger{background:#9f2f26;color:white}.info-box{background:var(--soft);border-radius:15px;padding:16px 18px;color:#315a53;font-size:14px}.upload-box{border:1px dashed #9bb7b1;border-radius:14px;padding:16px;background:#fbfdfc}.hidden{display:none!important}.flash-wrap{position:fixed;right:18px;top:18px;z-index:99}.flash{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:12px 16px;border-radius:10px}.flash.error{border-left:4px solid var(--danger)}.admin-shell{width:min(1180px,calc(100% - 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