:root{--bg:#f4f7fb;--ink:#172033;--muted:#5b6578;--line:#d7dee9;--brand:#1d4ed8;--deep:#0b1220;--accent:#0f766e;--warn:#a84b08;--danger:#b91c1c;--card:#fff;--soft:#edf5ff;--focus:#f59e0b}*{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Nanum Gothic",Arial,sans-serif;line-height:1.65;overflow-wrap:anywhere}a{color:#1649b8}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.resource-shell,.guide-shell{max-width:1160px;margin:0 auto;padding:32px 24px 56px;min-width:0}.site-head{background:var(--deep);color:white}.site-head .inner{max-width:1160px;margin:0 auto;padding:18px 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h2{font-size:1.55rem;line-height:1.3;margin:0 0 12px}.section h3{font-size:1.15rem;margin:22px 0 8px}.lead{color:var(--muted)}.notice{border-left:5px solid var(--brand);background:#eff6ff;padding:14px 16px;border-radius:12px;margin:16px 0}.notice.hold{border-left-color:var(--warn);background:#fff7ed}.notice.stop{border-left-color:var(--danger);background:#fff1f2}.doc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;min-width:0}.field.full{grid-column:1/-1}.field label{font-weight:750;margin-bottom:6px}.unit-help,.field small{font-size:.86rem;color:var(--muted);margin-top:4px}.field input,.field select,.field textarea,.row-table input,.row-table select,.row-table textarea{width:100%;min-height:46px;padding:10px 12px;border:1px solid #aeb8c8;border-radius:10px;background:#fff;color:var(--ink);font:inherit;line-height:1.35}.field textarea,.row-table 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var(--brand);border-radius:16px;padding:20px;background:linear-gradient(135deg,#eff6ff,#f7fbff);margin:22px 0}.resource-banner h3{margin:0 0 7px}.resource-banner p{margin:5px 0}.resource-banner .btn-link{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:10px;background:var(--brand);color:#fff;text-decoration:none;font-weight:800;white-space:nowrap}.flow-figure{margin:20px 0;border:1px solid var(--line);border-radius:16px;background:#fff;padding:10px}.flow-figure img{display:block;width:100%;max-width:100%;height:auto}.step-list li{margin:.4rem 0}.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1f5f9;border-radius:10px;padding:12px;overflow-wrap:anywhere}.calc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.result-number{font-size:1.8rem;font-weight:850;color:var(--brand)}.muted{color:var(--muted)}
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