:root{--navy:#102940;--primary:#1e40af;--blue:#2563eb;--teal:#0f766e;--purple:#6d28d9;--accent:#b45309;--bg:#f8fafc;--text:#334155;--muted:#64748b;--border:#dce4eb;--radius:16px;--shadow:0 3px 12px #10294008}
*,*::before,*::after{box-sizing:border-box;word-break:keep-all;overflow-wrap:break-word}body{margin:0;background:var(--bg);color:var(--text);font-family:'Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif;font-size:16px;line-height:1.75}a{color:var(--primary);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{color:var(--navy);line-height:1.4}h1{font-size:36px;font-weight:800;letter-spacing:-1.7px}h2{font-size:25px;font-weight:800;letter-spacing:-.8px}h3{font-size:20px;font-weight:800}p+p{margin-top:12px}strong{font-weight:750}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--blue);outline-offset:4px}a:hover{text-decoration:underline}img,svg{max-width:100%}.icon{width:24px;height:24px;flex-shrink:0;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.skip-link{position:fixed;top:-100px;left:12px;padding:10px 20px;background:var(--navy);color:white;z-index:300}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;background:#fffffff5;border-bottom:1px solid var(--border);z-index:100;backdrop-filter:blur(12px)}.header-inner{max-width:1420px;padding:0 24px;margin:auto;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;white-space:nowrap;text-decoration:none;font-size:19px;font-weight:800;letter-spacing:-.6px;color:var(--navy)}.logo-mark{display:grid;place-items:center;width:37px;height:40px;background:var(--navy);color:#6ee7c7;border-radius:11px}.main-nav{display:flex;gap:4px;align-items:center;flex-wrap:nowrap}.nav-link{font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap;padding:9px;color:var(--text);flex-shrink:0}.nav-link[aria-current=page]{background:#eff6ff;color:var(--primary);border-radius:8px}.nav-emergency{color:#b91c1c}.mobile-menu-btn{display:none;background:white;border:1px solid var(--border);border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center}.mobile-nav{padding:8px 20px 20px;border-top:1px solid var(--border)}.mobile-nav a{display:block;padding:10px;text-decoration:none;font-weight:700}.container{max-width:820px;margin-inline:auto;padding-inline:22px}.hero{padding:52px 0 28px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.4px;font-weight:800;color:var(--teal);margin-bottom:16px}.eyebrow::before{content:'';width:7px;height:7px;background:var(--teal);border-radius:50%}.hero-title-line{display:block;white-space:nowrap}.accent-text{color:var(--teal)}.hero-desc{margin-top:17px;max-width:680px;font-size:16px;line-height:1.8}.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;color:var(--muted);font-size:13px}.independent-note{margin-top:18px;border-left:3px solid var(--teal);padding-left:12px;font-size:13px;color:#475569}.geo-summary-box{margin:0;padding:22px 24px;background:#edf8f3;border:1px solid #b7dcd0;border-left:4px solid var(--teal);border-radius:14px;box-shadow:var(--shadow)}.summary-header{color:#135747;font-size:15px;display:flex;gap:8px;align-items:center;margin-bottom:9px}.summary-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:7px}.summary-list li{position:relative;padding-left:16px;font-size:15px;line-height:1.75}.summary-list li::before{content:'·';font-size:24px;color:var(--teal);position:absolute;left:0;top:-8px}.ad-placement{width:100%;max-width:820px;margin:28px auto;padding:14px 12px;text-align:center;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px}.ad-caption{font-size:12px;color:var(--muted);margin-bottom:8px;letter-spacing:2px}.ad-placement ins.adsbygoogle{display:block}.official-links{margin:0 0 28px}.official-card{background:white;border:1px solid var(--border);border-radius:14px;padding:20px 22px;margin-bottom:12px;box-shadow:var(--shadow)}.official-label{font-size:12px;color:var(--muted);font-weight:700;display:block;margin-bottom:4px}.official-card strong{display:block;color:var(--navy);font-size:16px}.official-url{font-size:13px;color:var(--muted);overflow-wrap:anywhere;margin:4px 0 12px;display:block}.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:750;text-decoration:none;line-height:1.6}.btn:hover{text-decoration:none}.btn-primary{background:var(--navy);color:white}.btn-primary:hover{background:#1c3e5b}.btn-outline{border-color:#cbd5e1;background:white;color:var(--navy)}.btn-outline:hover{background:#f1f5f9}.btn-danger{background:#b91c1c;color:white}.btn-teal{background:var(--teal);color:white}.section{margin:40px 0}.section-heading{margin-bottom:20px}.section-heading .label{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--teal);display:block;margin-bottom:7px}.section-heading p{margin-top:8px;color:var(--muted);font-size:15px}.card-stack,.hub-list,.nexus-grid,.document-links{display:flex;flex-direction:column;gap:16px}.feature-card{--role:var(--blue);--tint:#eff6ff;display:flex;gap:18px;align-items:flex-start;padding:24px;background:white;border:1px solid var(--border);border-left:5px solid var(--role);border-radius:var(--radius);box-shadow:var(--shadow);text-decoration:none;color:var(--text);transition:border-color .15s,box-shadow .15s}.card--purple{--role:var(--purple);--tint:#f5f3ff}.card--teal{--role:var(--teal);--tint:#effaf8}.card--danger{--role:#b91c1c;--tint:#fef2f2}.card-icon{width:48px;height:48px;background:var(--tint);color:var(--role);border-radius:12px;flex:0 0 48px;display:grid;place-items:center}.card-content{flex:1;min-width:0}.card-label{font-size:12px;color:var(--role);font-weight:800}.card-title{margin:4px 0 7px;font-size:21px;font-weight:800}.card-desc{font-size:15px;line-height:1.7}.card-link{color:var(--role);font-size:14px;font-weight:800;display:inline-block;margin-top:11px}a.feature-card:hover{border-color:var(--role);box-shadow:0 8px 24px #10294012;text-decoration:none}a.feature-card:hover .card-title{text-decoration:underline;text-underline-offset:5px}.urgent-strip{border:1px solid #fecaca;background:#fff5f5;padding:23px;border-radius:16px;margin-bottom:20px;display:flex;gap:16px;align-items:flex-start}.urgent-strip .icon{color:#b91c1c;width:28px;height:28px}.urgent-strip h2{font-size:22px;color:#991b1b}.urgent-strip p{font-size:15px;margin:7px 0 13px}.toc{background:white;border:1px solid var(--border);border-radius:14px;padding:20px 24px;margin:28px 0}.toc strong{color:var(--navy);font-size:15px}.toc ol{display:flex;flex-direction:column;flex-wrap:nowrap;align-items:stretch;margin:12px 0 0;padding-left:24px;gap:0}.toc li{border-bottom:1px solid var(--border);padding-left:4px;min-width:0}.toc li:last-child{border:0}.toc li::marker{color:var(--primary);font-weight:700}.toc a{display:block;min-height:44px;padding:10px 8px;font-size:15px;line-height:1.65;text-decoration:none;white-space:normal;overflow-wrap:anywhere;border-radius:6px}.toc a:hover,.toc a:focus-visible{background:#eff6ff;text-decoration:underline}.content-card,.calc-form-card,.result-card{background:white;border:1px solid var(--border);border-radius:16px;padding:25px 27px;box-shadow:var(--shadow);margin-bottom:20px}.content-card h2{margin-bottom:18px}.content-card h3{margin:22px 0 10px}.content-card p{margin-top:10px}.procedure-step-card{display:flex;gap:16px;padding:22px 0;border-top:1px solid var(--border)}.procedure-step-card:first-child{border:0;padding-top:0}.procedure-step-card:last-child{padding-bottom:0}.step-num{width:33px;height:33px;border-radius:50%;background:#eaf1fb;color:var(--primary);font-size:14px;font-weight:800;display:grid;place-items:center;flex:0 0 33px}.procedure-step-card h3{margin:1px 0 7px;font-size:18px}.procedure-step-card p{margin:0;font-size:15px}.notice-box{padding:18px 20px;border:1px solid;border-left:4px solid;border-radius:12px;margin:20px 0}.notice-box strong{display:block}.notice-box p{margin-top:5px;font-size:15px}.notice-box-info{background:#eff6ff;border-color:#93c5fd;color:#1e3a8a}.notice-box-warning{background:#fffbeb;border-color:#f59e0b;color:#92400e}.notice-box-danger{background:#fef2f2;border-color:#ef4444;color:#991b1b}.notice-box-success{background:#ecfdf5;border-color:#059669;color:#065f46}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.7;text-align:left}th,td{border-bottom:1px solid var(--border);padding:14px 12px;vertical-align:top}th{background:#edf2f7;color:var(--navy);font-weight:750}th:first-child{width:35%}.facts{display:grid;grid-template-columns:115px minmax(0,1fr);margin:0;font-size:14px}.facts dt,.facts dd{margin:0;padding:10px 0;border-bottom:1px solid var(--border)}.facts dt{color:var(--muted)}.facts dd{padding-left:10px}.faq details{border-top:1px solid var(--border);padding:16px 0}.faq summary{font-weight:750;color:var(--navy);cursor:pointer;min-height:44px}.faq details p{margin-top:9px;font-size:15px}.sources ul{padding-left:21px}.sources li{margin:12px 0}.sources p,.sources small{font-size:14px}.source-note{display:block;color:var(--muted)}.text-link{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;min-height:60px;padding:15px 18px;border:1px solid #adc8dd;border-left:4px solid var(--primary);border-radius:12px;background:#edf4fb;color:var(--navy);font-size:15px;font-weight:750;text-decoration:none;white-space:normal}.document-link-label{flex:1;min-width:0;overflow-wrap:anywhere}.document-link-arrow{display:grid;place-items:center;flex:0 0 30px;height:30px;background:var(--primary);color:white;border-radius:50%}.text-link:hover{background:#dfebfa}.related-nexus-section{margin:44px 0 28px}.nexus-header{margin-bottom:20px}.nexus-badge{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:1px}.nexus-header h2{margin:7px 0}.nexus-header p{font-size:15px;color:var(--muted)}.nexus-card{padding:20px}.nexus-card .card-title{font-size:18px}.nexus-card .card-desc{font-size:14px}.calc-single-column-container{max-width:820px;width:100%;display:flex;flex-direction:column;gap:24px;margin:auto}.calc-form-card{margin:0}.tool-intro{margin-bottom:22px}.tool-intro p{margin-top:8px}.field-group{padding:20px 0;border-top:1px solid var(--border)}.field-group:first-of-type{border:0}.field-label,legend{font-weight:750;color:var(--navy);margin-bottom:9px;display:block}.field-help{font-size:13px;color:var(--muted);margin:6px 0 0}.form-control{width:100%;min-height:50px;border:2px solid #cbd5e1;border-radius:10px;background:white;color:var(--navy);padding:10px 12px;max-width:100%}.form-control:focus{border-color:var(--blue);outline:0;box-shadow:0 0 0 3px #2563eb26}.radio-list{display:flex;flex-direction:column;gap:9px}.radio-option,.check-item{display:flex;align-items:flex-start;gap:12px;padding:13px 15px;border:2px solid #cbd5e1;border-radius:10px;background:white;cursor:pointer;min-height:48px}.radio-option:has(input:checked){border-color:var(--teal);background:#f0fdfa}.radio-option input,.check-item input{width:19px;height:19px;accent-color:var(--teal);flex:0 0 19px;margin-top:4px}.check-item:has(input:checked){border-color:#86c8b5;background:#f0fdfa}.check-item small{display:block;color:var(--muted);font-size:13px}.check-item a{font-size:14px}fieldset{border:0;padding:0;margin:0;min-width:0}.result-action-box{border-top:1px dashed #b5c6d5;padding-top:22px}.btn-view-result{width:100%;min-height:56px;background:linear-gradient(120deg,#102940,#1e40af);color:white;border:0;border-radius:12px;padding:14px 18px;font-size:17px;font-weight:800;display:flex;justify-content:center;gap:12px;align-items:center}.result-action-tip{display:block;margin-top:10px;font-size:13px;color:var(--muted);text-align:center}.result-column-wrapper{scroll-margin-top:100px}.mobile-result-divider{display:flex;align-items:center;gap:15px;color:var(--muted);font-size:13px;margin-bottom:16px}.mobile-result-divider::before,.mobile-result-divider::after{content:'';height:1px;background:var(--border);flex:1}.result-section-header{background:var(--navy);border-left:5px solid #d69c36;padding:18px 22px;border-radius:12px;color:white;margin-bottom:16px}.result-section-header h2{color:white;font-size:22px}.result-section-header small{color:#dce7f1;font-size:13px}.result-card{border-top:4px solid var(--teal);margin:0}.result-value{font-size:38px;font-weight:800;color:var(--teal);line-height:1.3;margin:12px 0}.result-status{font-weight:750;color:var(--navy)}.share-banner-box{padding:18px;border:1px dashed #d59d43;border-radius:12px;background:#fff9ed;margin-bottom:22px}.share-banner-box p{font-size:13px;margin:4px 0 10px;color:#7c5920}.btn-share-url{background:linear-gradient(120deg,#ad5207,#9a400a);color:white;border:0;border-radius:8px;padding:10px 15px;min-height:44px;font-weight:750}.highlight-pulse{animation:pulse 1.2s ease}@keyframes pulse{50%{box-shadow:0 0 0 5px #0f766e30}}.sticky-progress-card{position:sticky;top:84px;z-index:85;padding:13px 18px;background:var(--navy);color:white;border-radius:12px;box-shadow:var(--shadow);margin-bottom:20px}.progress-row{display:flex;justify-content:space-between;gap:15px;font-size:14px;font-weight:750}.progress-track{height:7px;margin-top:9px;background:#ffffff26;border-radius:10px;overflow:hidden}.progress-fill{height:100%;background:#6ee7c7;transition:width .2s;width:0}.checklist-stack{display:flex;flex-direction:column;gap:12px}.search-form{display:flex;gap:9px;margin-top:14px}.search-results{margin-top:15px}.search-result-count{font-size:14px;color:var(--muted);margin-bottom:12px}.search-result-list{display:flex;flex-direction:column;gap:12px}.empty-state{padding:20px;border:1px solid var(--border);border-radius:12px;background:white}.breadcrumb{font-size:13px;color:var(--muted);margin:20px 0 0;display:flex;flex-wrap:wrap;gap:8px}.breadcrumb a{color:var(--muted)}.tag{font-size:12px;padding:3px 9px;border:1px solid #cbd5e1;border-radius:20px;display:inline-block;color:var(--muted)}.contact-form textarea{min-height:150px;resize:vertical}.footer{border-top:1px solid var(--border);background:white;margin-top:64px;padding:35px 0}.footer-title{font-size:17px;font-weight:800;color:var(--navy)}.footer-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin:15px 0}.footer-links a{font-size:13px;color:var(--text)}.footer-admin-bar{font-size:13px;color:var(--muted);line-height:1.9}.copyright{margin-top:15px;font-size:12px;color:var(--muted)}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:calc(100% - 30px);padding:12px 20px;border-radius:12px;background:var(--navy);color:white;box-shadow:0 6px 20px #0002;z-index:200;font-size:14px}.error-message{color:#b91c1c;font-size:14px;margin-bottom:15px}.input-unit-wrap{position:relative}.input-unit{position:absolute;right:15px;top:11px;color:var(--muted);pointer-events:none}.quick-adjust-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.quick-adjust-chips button{min-height:44px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:7px 13px;color:var(--primary)}.checklist-note{font-size:13px;color:var(--muted);margin-top:12px}.no-js{padding:20px;background:#fffbeb;color:#92400e}
@media(max-width:1060px){.main-nav{display:none}.mobile-menu-btn{display:flex}}
@media(max-width:600px){.header-inner{padding:0 18px;min-height:66px}.site-logo{font-size:17px;gap:8px}.logo-mark{width:33px;height:36px}.container{padding-inline:17px}.hero{padding:34px 0 24px}h1{font-size:28px;letter-spacing:-1px}h2{font-size:23px}.hero-title-line{font-size:28px}.hero-desc{font-size:15px}.geo-summary-box{padding:18px}.ad-placement{margin:22px auto;padding:10px 8px}.feature-card{padding:20px 18px;gap:13px}.card-icon{width:40px;height:42px;flex-basis:40px}.card-title{font-size:19px}.section{margin:32px 0}.content-card,.calc-form-card,.result-card{padding:20px 18px}.toc{padding:19px 17px}.official-card{padding:18px}.facts{grid-template-columns:85px minmax(0,1fr)}th,td{padding:12px 8px;font-size:14px}.urgent-strip{padding:19px;gap:12px}.urgent-strip h2{font-size:20px}.search-form{flex-wrap:wrap}.search-form input{flex-basis:100%}.sticky-progress-card{top:76px;padding:12px 15px}.result-column-wrapper{scroll-margin-top:88px}.procedure-step-card{gap:12px}.nexus-card .card-icon{display:none}}
@media(max-width:350px){.hero-title-line{font-size:26px}.site-logo{font-size:16px}h1{font-size:26px}.button-row .btn{flex-grow:1}.card-title{font-size:18px}.feature-card{gap:11px}.facts{grid-template-columns:76px minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.highlight-pulse{animation:none}*,*::before,*::after{transition:none!important}}
@media print{.site-header,.ad-placement,.official-links,.button-row,.footer,.share-banner-box,.related-nexus-section,.mobile-result-divider,.toast{display:none!important}.container{max-width:none;padding:0}.sticky-progress-card{position:static}.content-card,.result-card{box-shadow:none;break-inside:avoid}body{background:white;font-size:12pt}.hero{padding-top:0}a{color:inherit}}