: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;--warning-bg:#fffbeb;--warning-text:#92400e;--error-bg:#fef2f2;--error-text:#991b1b;--success-bg:#ecfdf5;--success-text:#065f46;--purple:#6d28d9;--teal:#0f766e;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--shadow:0 2px 6px rgba(15,23,42,.06)}
*{box-sizing:border-box;min-width:0}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-main);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-size:17px;line-height:1.75;word-break:keep-all;overflow-wrap:anywhere}a{color:var(--primary);text-underline-offset:4px}button,input,select,textarea{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--primary-light);outline-offset:4px}button:disabled{cursor:not-allowed;opacity:.65}button,a,input,select,summary{touch-action:manipulation}[hidden]{display:none}h1,h2,h3,p{margin-top:0}h1{font-size:38px;font-weight:800;line-height:1.35;letter-spacing:-1.2px;margin-bottom:20px}h2{font-size:26px;font-weight:800;line-height:1.45;letter-spacing:-.6px;margin-bottom:16px}h3{font-size:21px;line-height:1.5;margin-bottom:10px}p{margin-bottom:16px}small,.small{font-size:14px}img,svg{max-width:100%;height:auto}section,article,nav{scroll-margin-top:104px}.container{max-width:840px;margin:0 auto;padding:0 20px}.skip-link{position:absolute;left:16px;top:-100px;z-index:200;padding:12px;background:#fff}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--border-color);background:#fff;position:sticky;top:0;z-index:30}.header-inner{max-width:1160px;margin:auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:24px}.brand{font-size:19px;font-weight:800;text-decoration:none;display:flex;align-items:center;gap:10px;white-space:nowrap}.brand img{width:32px;height:32px}.main-nav{display:flex;align-items:center;gap:8px}.main-nav a{padding:8px 12px;text-decoration:none;font-size:15px;font-weight:700;border-radius:8px}.main-nav a[aria-current=page]{background:var(--primary-bg)}.menu-toggle{display:none;min-height:44px;min-width:44px;border:1px solid var(--border-color);border-radius:8px;background:white;color:var(--primary)}main{padding-top:40px;padding-bottom:56px}.breadcrumb{font-size:14px;color:var(--text-sub);margin-bottom:24px}.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;gap:8px;flex-wrap:wrap}.breadcrumb li+li:before{content:"/";margin-right:8px;color:var(--text-muted)}.eyebrow{display:block;color:var(--primary);font-weight:800;letter-spacing:1px;font-size:13px;margin-bottom:12px}.lead{font-size:19px;color:var(--text-sub);line-height:1.7}.hero{padding:32px 0 8px}.hero h1 span{color:var(--primary)}.hero .eyebrow{letter-spacing:2px}.intent-tabs{display:flex;gap:8px;margin:28px 0;flex-wrap:wrap}.intent-tabs a{border:1px solid #bfdbfe;border-radius:8px;background:var(--primary-bg);padding:12px 16px;font-size:15px;text-decoration:none;font-weight:700}.intent-tabs a:first-child{background:var(--primary);color:#fff;border-color:var(--primary)}.card,.hub-card,.nexus-card,.calc-form-card,.calc-result-card,.procedure-step-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:28px;margin:20px 0}.hub-card,.nexus-card{display:block;color:var(--text-main);text-decoration:none;position:relative}.hub-card{border-left:5px solid var(--primary-light)}.card--calc{border-left-color:var(--purple)}.card--protect{border-left-color:var(--teal)}.hub-card .card-top{display:flex;align-items:center;gap:16px;margin-bottom:12px}.icon-box{background:var(--primary-bg);color:var(--primary);width:48px;min-width:48px;height:48px;display:grid;place-items:center;border-radius:12px;font-weight:800}.card--calc .icon-box{background:#f5f3ff;color:var(--purple)}.card--protect .icon-box{background:#f0fdfa;color:var(--teal)}.hub-card p,.nexus-card p{color:var(--text-sub);margin-bottom:16px}.link-action{color:var(--primary);font-weight:700;font-size:15px;display:block}.nexus-card{background:var(--primary-bg);border-left:4px solid var(--primary-light);padding:20px}.geo-summary-box{background:var(--primary-bg);border-left:4px solid var(--primary-light);border-radius:0 12px 12px 0;padding:24px;margin:24px 0}.geo-summary-box strong{display:block;color:var(--primary);margin-bottom:8px}.geo-summary-box p:last-child{margin-bottom:0}.notice-box-info,.notice-box-warning,.notice-box-error,.notice-box-success{border-radius:12px;padding:20px;margin:20px 0}.notice-box-info{background:var(--primary-bg);color:var(--primary)}.notice-box-warning{background:var(--warning-bg);color:var(--warning-text);border-left:4px solid var(--accent-light)}.notice-box-error{background:var(--error-bg);color:var(--error-text)}.notice-box-success{background:var(--success-bg);color:var(--success-text)}.affiliate-disclosure{font-size:14px;color:var(--text-sub);border:1px solid var(--border-color);border-radius:8px;padding:16px;margin:0 0 24px}.affiliate-card{border:1px solid #bfdbfe;background:var(--primary-bg);border-radius:12px;padding:24px;margin:24px 0}.affiliate-card .tag{font-size:13px;color:var(--primary);font-weight:700}.button,.button-secondary{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:12px 20px;border-radius:8px;border:2px solid var(--primary);background:var(--primary);color:#fff;text-decoration:none;font-weight:800;line-height:1.6}.button-secondary{background:#fff;color:var(--primary)}.button.full{width:100%;margin-top:24px}.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.action-row>*{flex:1 1 140px}.ad-placement{margin:32px 0;padding:16px 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);text-align:center}.ad-label{display:block;color:var(--text-muted);font-size:13px;margin-bottom:12px}.adsbygoogle{display:block}.toc{background:#fff;padding:24px;border:1px solid var(--border-color);border-radius:12px;margin:24px 0}.toc ol{padding-left:24px;margin:12px 0 0}.toc a{display:block;min-height:44px;padding:8px 0;font-size:16px;line-height:1.6}.article-body h2{margin-top:40px}.article-body h3{margin-top:24px}.article-body ul,.article-body ol{padding-left:24px}.article-body li{margin-bottom:12px}.table-wrap{max-width:100%;overflow-x:auto;margin:20px 0}table{width:100%;border-collapse:collapse;font-size:16px;background:#fff;text-align:left}caption{text-align:left;font-weight:700;padding:0 0 12px}th,td{padding:14px;border-bottom:1px solid var(--border-color);vertical-align:top}th{background:var(--primary-bg);color:var(--primary);font-weight:700}th:first-child,td:first-child{min-width:120px}.table-wrap:focus-visible{outline:3px solid var(--primary-light)}.official-card{border:1px solid var(--border-color);border-radius:12px;padding:24px;margin:24px 0;background:#fff}.official-card .url{display:block;font-size:14px;color:var(--text-sub);margin:8px 0 16px}.source-list{font-size:14px;border-top:1px solid var(--border-color);padding-top:24px;margin-top:32px}.source-list li{margin-bottom:10px}.faq details{background:#fff;border:1px solid var(--border-color);border-radius:12px;margin:12px 0}.faq summary{padding:16px 20px;min-height:44px;font-weight:700;cursor:pointer}.faq details p{padding:0 20px 16px;margin:0;color:var(--text-sub)}.page-meta{font-size:14px;color:var(--text-sub);margin-bottom:24px}.site-footer{background:#fff;border-top:1px solid var(--border-color);padding:40px 0;color:var(--text-sub);font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:24px}.footer-links a{display:inline-block;padding:6px 0}.site-footer strong{color:var(--text-main)}.site-footer p{margin-bottom:8px}.calc-form-card fieldset{border:0;padding:0;margin:0 0 32px}.calc-form-card legend{font-size:21px;font-weight:800;margin-bottom:16px}.field{padding:16px;background:var(--bg-main);border-radius:12px;margin-bottom:16px}.field label{display:block;font-weight:700;margin-bottom:8px}.field input:not([type=checkbox]),.field select,.search-form input{width:100%;min-height:52px;padding:12px 14px;background:#fff;border:2px solid var(--control-border);border-radius:8px;font-size:16px;color:var(--text-main)}.field .hint{display:block;color:var(--text-sub);font-size:14px;margin-top:8px}.field .amount-korean{font-size:14px;color:var(--primary);margin-top:8px;display:block}.field input[aria-invalid=true]{border-color:var(--error-text)}.field .field-error{display:block;color:var(--error-text);font-size:14px;margin-top:8px}.check-label{display:flex;align-items:flex-start;gap:12px;min-height:44px;padding:12px;background:#fff;border:2px solid var(--control-border);border-radius:8px}.check-label input{width:22px;height:22px;min-width:22px;accent-color:var(--primary);margin-top:3px}.check-label:has(input:checked){background:var(--primary-bg);border-color:var(--primary)}.calc-result-card{padding:0;border-top:5px solid var(--accent-light)}.result-header{padding:24px 28px;background:var(--primary);color:#fff;border-radius:12px 12px 0 0}.result-header h2{margin-bottom:8px}.result-header p{margin:0}.result-content{padding:28px}.result-number{font-size:38px;font-weight:800;line-height:1.4;margin:8px 0 16px}.summary-row{display:flex;justify-content:space-between;align-items:start;gap:20px;padding:14px 0;border-bottom:1px solid var(--border-color)}.summary-row span{color:var(--text-sub)}.summary-row strong{text-align:right}.bar-row{margin:16px 0;font-size:14px}.bar-track{background:var(--primary-bg);height:12px;border-radius:8px;margin-top:8px}.bar-fill{background:var(--primary-light);height:12px;border-radius:8px;width:calc(var(--bar-value,0)*1%)}.tool-actions{margin-top:24px}.copy-fallback{width:100%;padding:12px;border:2px solid var(--control-border);border-radius:8px;font:inherit}.live-message{font-size:15px;color:var(--primary);margin:16px 0}.result-stale{background:var(--warning-bg);color:var(--warning-text);padding:16px;border-radius:8px}.search-form{display:flex;gap:12px;margin:24px 0}.search-form label{flex:1}.checklist-progress{padding:16px;background:var(--primary-bg);border-radius:12px;margin:20px 0}.procedure-step-card{border-left:4px solid var(--primary-light)}.step-number{font-size:14px;color:var(--primary);font-weight:800}.category-kicker{color:var(--text-sub);font-size:14px}.muted{color:var(--text-muted)}.no-js-note{background:var(--warning-bg);padding:16px;color:var(--warning-text)}
@media(hover:hover){.hub-card:hover,.nexus-card:hover{border-color:var(--primary-light);box-shadow:0 4px 12px rgba(30,58,138,.09)}.button:hover{background:#172e70}.button-secondary:hover,.main-nav a:hover{background:var(--primary-bg)}}
@media(max-width:1060px){.header-inner{flex-wrap:wrap;padding:12px 20px;gap:12px}.menu-toggle{display:block}.main-nav{display:none;width:100%;flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav a{white-space:normal;padding:12px}.brand{font-size:17px}.brand img{width:28px;height:28px}}
@media(max-width:600px){body{font-size:16px}.container{padding:0 16px}main{padding-top:28px}.hero{padding-top:16px}h1{font-size:28px;letter-spacing:-.6px}h2{font-size:23px}h3{font-size:19px}.lead{font-size:17px}.card,.hub-card,.calc-form-card,.procedure-step-card{padding:20px}.geo-summary-box{padding:20px}.field{padding:12px}.result-content,.result-header{padding:20px}.result-number{font-size:32px}.summary-row{flex-wrap:wrap;gap:8px}.summary-row strong{margin-left:auto}.intent-tabs{flex-direction:column}.intent-tabs a{text-align:center}.search-form{flex-direction:column}.header-inner{padding:12px 16px}.affiliate-card,.official-card{padding:20px}.toc{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none;animation:none}}
@media print{.site-header,.site-footer,.ad-placement,.affiliate-card,.affiliate-disclosure,.toc,.tool-actions,.menu-toggle,.search-form,.no-print,.calc-form-card{display:none}body{background:#fff;color:#000;font-size:11pt}.container{max-width:none;padding:0}main{padding:0}.card,.calc-result-card,.geo-summary-box,.procedure-step-card{box-shadow:none;break-inside:avoid;border:1px solid #999}.result-header{background:#fff;color:#000}.result-number{font-size:24pt}a{color:#000}.source-list a:after{content:" (" attr(href) ")";font-size:9pt}.faq details p{display:block}.breadcrumb{display:none}.article-body h2{margin-top:24px}h1{font-size:24pt}.live-message:empty{display:none}}
