/* Shared foundations. Calculator desktop layout follows the project plan. */
: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;--teal:#0f766e;--radius:18px;--shadow:0 2px 6px rgba(15,23,42,.04)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}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:16px;line-height:1.75;word-break:keep-all;overflow-wrap:anywhere}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}a{color:var(--primary);text-underline-offset:4px}button{cursor:pointer}h1,h2,h3,p,ul,ol{margin-top:0}h1{font-size:38px;font-weight:800;line-height:1.35;letter-spacing:-1.4px;margin-bottom:20px}h2{font-size:26px;letter-spacing:-.8px;line-height:1.45;margin-bottom:16px}h3{font-size:20px;line-height:1.5;margin-bottom:8px}p{margin-bottom:16px}img,svg{max-width:100%}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:.6}[hidden]{display:none!important}.skip{position:absolute;left:16px;top:-100px;z-index:50;background:white;padding:12px}.skip:focus{top:12px}.container{max-width:840px;margin:0 auto;padding:0 20px}.site-header{background:white;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:20}.header-inner{max-width:1120px;min-height:80px;margin:auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--text-main);text-decoration:none;flex-shrink:0}.brand svg{width:37px;height:43px}.brand strong{display:block;font-size:18px;letter-spacing:-.6px;line-height:1.4;white-space:nowrap}.brand small{font-size:10px;letter-spacing:1.6px;display:block;color:var(--text-muted);line-height:1.7}.nav-links{display:flex;align-items:center;gap:18px}.nav-links a{font-size:14px;color:var(--text-sub);font-weight:700;text-decoration:none;white-space:nowrap;padding:10px 0}.nav-links a[aria-current]{color:var(--primary-light);box-shadow:0 2px var(--primary-light)}.menu-button{display:none;background:white;border:1px solid var(--control-border);border-radius:8px;padding:8px 14px;min-height:44px}.hero{background:linear-gradient(135deg,#eff6ff,#f0fdfa);padding:48px 0 40px;border-bottom:1px solid #dce8ed}.eyebrow{display:flex;gap:10px;align-items:center;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.3px;margin-bottom:18px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}.hero h1 span{color:var(--primary)}.hero-description{color:var(--text-sub);max-width:630px;margin-bottom:24px}.hero-links{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:11px 20px;border:2px solid var(--primary);border-radius:10px;background:var(--primary);color:white;font-weight:800;text-decoration:none;line-height:1.5}.button--secondary{background:white;color:var(--primary);border-color:#b7c6d9}.button--small{min-height:44px;font-size:14px;padding:9px 14px}.hero-notes{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--text-sub);font-size:13px}.hero-notes span:before{content:"✓ ";color:var(--teal);font-weight:800}.disclosure{color:#765324;background:#fff9ee;border:1px solid #eadac0;padding:12px 16px;font-size:13px;border-radius:8px;margin:24px 0}.main-section{margin:40px 0}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}.section-heading h2{margin:0}.section-heading .index{color:var(--primary-light);font-size:13px;font-weight:800;display:block;margin-bottom:5px;letter-spacing:.8px}.muted{color:var(--text-muted);font-size:14px}.card,.hub-card,.calc-form-card,.calc-result-card{background:white;border:1px solid var(--border-color);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:20px;min-width:0}.card--calc{border-top:4px solid var(--primary-light)}.geo-summary-box{background:var(--primary-bg);border-left:4px solid var(--primary-light);border-radius:0 12px 12px 0;padding:20px 24px;margin:24px 0}.geo-summary-box p:last-child{margin-bottom:0}.step-label{font-size:13px;font-weight:800;color:var(--primary-light);margin-bottom:6px}.choice-group{padding:20px 0;border-bottom:1px solid var(--border-color)}.choice-group:first-of-type{padding-top:0}.choice-group:last-of-type{border-bottom:0}.choice-group legend{font-weight:800;padding:0}.choices{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.choice{position:relative;display:flex;align-items:center;gap:7px;padding:10px 15px;border:2px solid #9aa9bc;border-radius:10px;min-height:48px;cursor:pointer;font-size:15px}.choice:has(input:checked){border-color:var(--primary-light);background:var(--primary-bg);color:var(--primary);font-weight:800}.choice input{accent-color:var(--primary-light);width:16px;height:16px;flex-shrink:0}.choices fieldset,fieldset{border:0;margin:0;padding:0}.quick-result{margin-top:20px;background:#f0fdfa;border:1px solid #99c7be;padding:18px;border-radius:10px}.quick-result p{margin-bottom:12px}.ad-placement{margin:32px 0;padding:12px 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);clear:both}.ad-label{display:block;text-align:center;color:var(--text-muted);font-size:11px;letter-spacing:2px;margin-bottom:8px}.ad-placement ins{display:block}.brand-card{display:flex;gap:20px;align-items:flex-start}.brand-symbol{background:var(--primary-bg);color:var(--primary);width:56px;min-width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}.brand-body{flex:1;min-width:0}.brand-top{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap}.status{font-size:12px;background:#f1f5f9;color:#475569;padding:4px 9px;border-radius:6px}.brand-card p{font-size:14px;color:var(--text-sub);margin:6px 0 12px}.brand-prices{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--text-sub);padding:12px 0;border-top:1px solid var(--border-color)}.brand-actions{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.nexus-card{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:20px 24px;margin:12px 0;background:var(--primary-bg);border:1px solid #cbd9ed;border-left:4px solid var(--primary-light);border-radius:12px;color:var(--text-main);text-decoration:none;min-height:80px}.nexus-card strong{display:block;font-size:17px;line-height:1.5}.nexus-card small{display:block;color:var(--text-sub);font-size:14px;margin-top:5px}.nexus-card .arrow{color:var(--primary-light);font-size:23px}.check-list{list-style:none;padding:0}.check-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--border-color)}.check-list li:last-child{border:0}.check-list .number{font-size:13px;line-height:30px;min-width:30px;height:30px;border-radius:50%;background:var(--primary-bg);color:var(--primary);text-align:center;font-weight:800}.check-list strong{display:block}.check-list p{color:var(--text-sub);font-size:14px;margin:4px 0 0}.table-wrap{overflow-x:auto;margin:20px 0;border:1px solid var(--border-color);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.65;text-align:left}th{background:#f1f5f9;font-weight:800;color:var(--text-sub)}td,th{padding:13px 16px;border-bottom:1px solid var(--border-color);vertical-align:top}tr:last-child td{border-bottom:0}caption{padding:12px;text-align:left;font-weight:800;color:var(--primary)}.table-wrap table{min-width:510px}.table-wrap--compact table{min-width:0}.breadcrumb{margin:24px 0;color:var(--text-muted);font-size:13px}.breadcrumb a{text-decoration:none}.page-title{margin:36px 0 24px}.page-title .muted{margin-top:16px}.page-title h1{font-size:34px}.toc{padding:22px 26px;background:white;border:1px solid var(--border-color);border-radius:12px;margin-bottom:32px}.toc h2{font-size:18px}.toc ul{list-style:none;padding:0;margin:0}.toc a{display:block;padding:9px 0;min-height:44px}.prose h2{margin-top:32px}.prose ul,.prose ol{padding-left:24px}.prose li{margin:8px 0}.prose p{color:var(--text-sub)}.notice{padding:16px 18px;margin:18px 0;border-radius:10px;background:var(--primary-bg);color:var(--primary);font-size:14px}.notice--warning{background:#fffbeb;color:#92400e;border:1px solid #f0ddb0}.notice--error{background:#fef2f2;color:#991b1b;border:1px solid #e9b9b9}.notice--success{background:#ecfdf5;color:#065f46;border:1px solid #acd3c1}.affiliate-box{border:1px solid #cbd9ed;background:#eff6ff;border-radius:14px;padding:24px;margin:32px 0}.affiliate-box p{font-size:14px;color:var(--text-sub)}.sources{font-size:14px;margin:32px 0}.sources li{margin:12px 0}.source-official{background:white;border:1px solid var(--border-color);padding:18px;border-radius:10px;margin:14px 0}.source-official p{font-size:13px;margin:6px 0 14px}.source-official .source-url{display:block;color:var(--text-muted);font-size:12px;word-break:break-all}.source-actions{display:flex;gap:12px;flex-wrap:wrap}.source-actions a,.source-actions button{min-height:44px}.site-footer{background:white;border-top:1px solid var(--border-color);padding:36px 0 24px;color:var(--text-sub);font-size:13px}.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin:18px 0}.site-footer p{margin-bottom:12px}.footer-brand{font-size:16px;color:var(--text-main);font-weight:800}.search-field{width:100%;border:2px solid var(--control-border);border-radius:10px;padding:12px 16px;min-height:52px}.filter-tags{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.filter-tags button{min-height:44px;border:1px solid #94a3b8;border-radius:8px;background:white;padding:8px 14px;color:var(--text-sub)}.filter-tags button[aria-pressed=true]{background:var(--primary);color:white;border-color:var(--primary)}.calc-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}.calc-form-card{padding:22px}.field{margin-bottom:18px}.field label,.field-title{display:block;font-size:14px;font-weight:800;color:var(--text-sub);margin-bottom:7px}.input-wrap{position:relative}.input-wrap input{padding-right:53px}.input-unit{position:absolute;right:14px;top:11px;color:var(--text-muted);font-size:14px;pointer-events:none}.field input:not([type=checkbox]),.field select{width:100%;min-height:50px;border:2px solid var(--control-border);border-radius:8px;padding:10px 12px;background:white;color:var(--text-main);font-size:16px}.field .input-wrap input{padding-right:54px}.field input[aria-invalid=true]{border-color:#b91c1c}.field small{display:block;font-size:12px;color:var(--text-muted);margin-top:5px}.field-error{font-size:13px;color:#991b1b;display:block;margin-top:6px}.checkbox-label{display:flex!important;align-items:flex-start;gap:10px;min-height:44px;cursor:pointer}.checkbox-label input{margin-top:7px;width:18px;height:18px;accent-color:var(--primary-light);flex-shrink:0}.form-actions{border-top:1px solid var(--border-color);padding-top:20px}.form-actions .button{width:100%}.reset-button{margin-top:12px;width:100%;min-height:44px;background:white;border:1px solid var(--control-border);color:var(--text-sub);border-radius:8px}.calc-result-card{padding:0;overflow:visible;border-top:4px solid var(--accent-light)}.result-heading{background:var(--primary);border-radius:13px 13px 0 0;color:white;padding:20px 22px;font-size:17px;font-weight:800}.result-body{padding:22px}.result-body .lead-number{font-size:32px;font-weight:800;line-height:1.4;letter-spacing:-1px;color:var(--primary);margin:12px 0}.summary-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--border-color);font-size:14px;flex-wrap:wrap}.summary-row strong{font-variant-numeric:tabular-nums}.result-body .table-wrap{margin:18px -8px}.result-body .table-wrap table{min-width:380px}.calc-meta{font-size:12px;color:var(--text-muted);margin-top:16px}.result-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.result-actions button{background:white;border:1px solid var(--control-border);border-radius:8px;min-height:44px;padding:8px 12px;font-size:13px;color:var(--primary);font-weight:700}.scenario-box{padding:16px;background:var(--primary-bg);border-radius:10px;margin-top:16px}.scenario-box h3{font-size:16px}.copy-fallback{width:100%;padding:10px;border:2px solid var(--control-border);margin-top:12px;font-size:13px}.bar-track{height:10px;background:#e2e8f0;border-radius:6px;margin:8px 0 18px}.bar-fill{height:100%;background:var(--primary-light);border-radius:6px}.bar-fill--teal{background:var(--teal)}.faq details{border-bottom:1px solid var(--border-color);padding:14px 0}.faq summary{font-weight:700;cursor:pointer;min-height:44px;padding:8px 0}.faq details p{color:var(--text-sub);font-size:14px;margin-top:10px}.live-status{font-size:13px;color:var(--text-sub);margin-top:10px;min-height:22px}.section-kicker{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--primary-light);margin-bottom:8px}.empty-state{padding:28px;text-align:center;color:var(--text-sub);background:white;border:1px dashed var(--control-border);border-radius:12px}.page-list{margin-top:24px}.inline-group{padding-top:18px;border-top:1px solid var(--border-color);margin-top:24px}.inline-group h3{font-size:16px}.compact-calc .calc-grid{gap:16px}.compact-calc .calc-form-card{margin-bottom:0}.compact-calc .field{margin-bottom:16px}.brand-route{margin:32px 0}.brand-route h2{font-size:22px}.print-only{display:none}
@media(hover:hover){.button:hover{background:#142d6d;color:white}.button--secondary:hover{background:var(--primary-bg);color:var(--primary)}.nexus-card:hover{background:#e4efff;border-color:#9cb5d8}.nav-links a:hover{color:var(--primary-light)}}
@media(max-width:1060px){.header-inner{min-height:72px;flex-wrap:wrap;gap:12px}.menu-button{display:block}.nav-links{display:none;width:100%;flex-direction:column;gap:0;align-items:stretch;padding:12px 0}.nav-links.is-open{display:flex}.nav-links a{white-space:normal;min-height:44px;padding:10px}.brand strong{font-size:16px}.brand small{font-size:9px}}
@media(max-width:680px){.container{padding:0 18px}.header-inner{padding:12px 18px}.hero{padding:36px 0 32px}h1{font-size:28px;letter-spacing:-.9px}.page-title h1{font-size:28px}h2{font-size:23px}h3{font-size:19px}.hero-notes{gap:8px 16px}.card,.hub-card,.calc-form-card{padding:20px}.calc-grid{grid-template-columns:minmax(0,1fr)}.calc-result-card{margin-bottom:0}.brand-card{gap:14px}.brand-symbol{width:44px;min-width:44px;height:44px;font-size:12px}.brand-prices{gap:8px}.nexus-card{padding:18px}.section-heading{align-items:flex-start}.section-heading>a{font-size:13px}.choices{gap:7px}.choice{font-size:14px;padding:10px 12px}.result-body .lead-number{font-size:30px}.result-actions button{flex:1}.hero-links .button{flex:1}.geo-summary-box{padding:18px}.main-section{margin:32px 0}.disclosure{font-size:12px}.table-wrap table{min-width:480px}}
@media(max-width:360px){.container{padding:0 16px}.card,.calc-form-card{padding:18px}.brand-card{display:block}.brand-symbol{margin-bottom:12px}.hero-links{flex-direction:column}.result-body{padding:18px}.choice{padding:9px 10px}.menu-button{padding:8px 10px}.brand{gap:8px}.brand svg{width:28px}.brand strong{font-size:14px}.header-inner{padding:12px 16px}}
.article-byline{font-size:13px;color:var(--text-muted);margin:0 0 22px;line-height:1.8}.direct-answer h2{font-size:20px;line-height:1.5}.direct-answer p{margin:10px 0 0;font-weight:700}.faq-answer{border-top:1px solid var(--border-color);padding:18px 0 4px}.faq-answer h3{font-size:18px;line-height:1.6}.faq-answer p{font-size:14px;color:var(--text-sub);margin:10px 0 0}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.site-footer,.ad-placement,.calc-form-card,.result-actions,.affiliate-box,.disclosure,.breadcrumb,.hero-links,.reset-button{display:none}.container{max-width:none;padding:0}.calc-grid{display:block}.calc-result-card{border:1px solid #999;box-shadow:none}.result-heading{background:white;color:black}.print-only{display:block}.card{box-shadow:none;break-inside:avoid}a{color:black}.main-section{margin:20px 0}}