:root{--primary:#1e3a8a;--primary-light:#2563eb;--primary-bg:#eff6ff;--text-main:#0f172a;--text-sub:#334155;--text-muted:#64748b;--bg-main:#f8fafc;--bg-card:#fff;--accent-light:#f59e0b;--border-color:#e2e8f0;--control-border:#64748b;--radius:18px;--shadow:0 2px 6px rgba(15,23,42,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-size:16px;line-height:1.8;color:var(--text-main);background:var(--bg-main);word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}a{color:var(--primary);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}h1,h2,h3,p{margin-top:0}h1{font-size:38px;font-weight:800;line-height:1.38;letter-spacing:-1.7px;margin-bottom:20px}h2{font-size:25px;line-height:1.45;font-weight:800;letter-spacing:-.7px;margin-bottom:20px}h3{font-size:20px;line-height:1.5;letter-spacing:-.4px;margin-bottom:12px}p{margin-bottom:18px;color:var(--text-sub)}p:last-child{margin-bottom:0}ul,ol{padding-left:24px}li+li{margin-top:8px}:focus-visible{outline:3px solid #1d4ed8;outline-offset:4px}section[id],article[id],h2[id],[tabindex="-1"]{scroll-margin-top:110px}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:20px;padding:12px 20px;background:white;z-index:1000}.skip-link:focus{top:12px}.container{width:min(800px,calc(100% - 40px));margin-inline:auto;min-width:0}.site-header{background:#fff;border-bottom:1px solid var(--border-color);position:relative;z-index:20}.header-inner{max-width:1480px;margin:auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap;font-size:20px;font-weight:800;letter-spacing:-.8px}.brand img{width:34px;height:34px}.main-nav{display:flex;align-items:center;gap:2px}.main-nav a{font-size:14px;white-space:nowrap;text-decoration:none;color:var(--text-sub);padding:8px 10px;min-height:44px;border-radius:8px;font-weight:700}.main-nav a[aria-current],.main-nav a.active{color:var(--primary);background:var(--primary-bg)}.menu-toggle{display:none;min-width:52px;min-height:48px;border:1px solid var(--border-color);border-radius:8px;background:white;color:var(--primary);font-weight:700}.utility-bar{background:#142e66;color:#fff;font-size:13px;text-align:center;padding:8px 20px;letter-spacing:.1px}.utility-bar span{color:#fde68a}.hero{padding:56px 0 44px;background:#fff;border-bottom:1px solid var(--border-color)}.eyebrow{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:9px;margin-bottom:20px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary-light)}.hero h1 em{font-style:normal;color:var(--primary-light)}.hero .lead{font-size:18px;line-height:1.8;max-width:670px}.hero .meta{margin-top:24px}.hero-rule{width:48px;height:4px;background:var(--accent-light);margin-bottom:24px}.meta{color:var(--text-muted);font-size:14px;display:flex;gap:8px 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none;animation:none}}
.field-error{color:#991b1b;margin:10px 0 0;font-weight:700;font-size:14px}.field [aria-invalid=true]{border-color:#991b1b;background:#fff7f7}
.ad-placement{--ad-slot-min-height:280px;min-height:var(--ad-slot-min-height)}.ad-placement .adsbygoogle{min-height:250px}
.task-detail{display:block;font-size:15px;font-weight:400;color:var(--text-sub);line-height:1.85;margin-top:8px}.task-item:last-of-type .check-label{border-bottom:0}.task-item input:checked+span strong{color:var(--primary)}.structure-branch{background:#fff;border:1px solid var(--border-color);border-radius:12px;padding:0 20px}.structure-branch summary{padding:16px 0;min-height:48px;font-weight:700;cursor:pointer}.structure-branch .document-list{padding-bottom:14px}.expansion-navigation{padding-top:12px}.table-scroll:focus-visible{outline-offset:3px}
@media print{.task-item,.task-item .check-label{break-inside:avoid}.task-detail{color:#000}.structure-branch>.document-list{display:block}.expansion-navigation{display:none}}
@media print{.site-header,.site-footer,.ad-placement,.button,.result-actions,.quick-buttons,.menu-toggle,.utility-bar{display:none}body{background:white;font-size:12pt}.container{width:100%;max-width:none}.card,.calc-form-card,.procedure-step-card,.calc-result-card{box-shadow:none;break-inside:avoid}.print-only{display:block}details>p{display:block}a{color:#000}.result-head{background:#fff;color:#000}.result-head h2,.result-head p{color:#000}}