:root{--green:#247a5b;--ink:#243c32;--muted:#617269;--line:#dfe7e1;--surface:#f4f8f5}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:#f5f7f6;color:var(--ink);font-family:'Malgun Gothic','Noto Sans KR',system-ui,sans-serif;font-size:15px;line-height:1.8}
h1,h2,h3,h4,p{margin:0}
a{color:var(--green);text-underline-offset:4px}
button,a,summary{touch-action:manipulation}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:4px}
[hidden]{display:none!important}
.skip-link{position:absolute;left:12px;top:-100px;background:white;padding:12px;z-index:10}
.skip-link:focus{top:12px}
.guide-toolbar{max-width:1160px;margin:auto;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.guide-brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-size:17px;font-weight:800;white-space:nowrap}
.guide-brand img{object-fit:contain;flex:none}
.guide-brand small{font-size:13px;color:var(--muted);font-weight:400;margin-left:12px;padding-left:12px;border-left:1px solid #cad7ce}
.back-link{font-size:13px;min-height:44px;display:flex;align-items:center;text-decoration:none;white-space:nowrap}
main{max-width:1160px;margin:0 auto;padding:8px 32px 32px}
.quick-sheet{background:#fff;border:1px solid var(--line);border-radius:16px;padding:40px}
.eyebrow{font-size:12px;font-weight:700;color:var(--green);letter-spacing:.02em;margin-bottom:10px}
h1{font-size:36px;line-height:1.45;letter-spacing:-1.3px;font-weight:800;margin-bottom:12px;word-break:keep-all}
.lead{color:var(--muted);font-size:15px}
.quick-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none;padding:0;margin:30px 0}
.quick-steps li{border-top:1px solid var(--line);padding-top:18px;break-inside:avoid}
.step-number{display:inline-flex;align-items:center;justify-content:center;flex:none;width:28px;height:28px;background:#eaf3ee;color:var(--green);font-size:13px;font-weight:800;border-radius:50%}
.quick-steps h2{font-size:17px;letter-spacing:-.4px;line-height:1.5;margin:10px 0 6px}
.quick-steps p{font-size:14px;color:var(--muted);line-height:1.85}
.quick-steps b{font-weight:600;color:var(--ink)}
.quick-path{background:var(--surface);border-radius:10px;padding:18px 20px}
.quick-path strong{font-size:14px}
.quick-path p{font-size:14px;margin-top:6px}
.quick-path p span{padding:0 5px;color:#9aad9f}
.quick-path small{display:block;font-size:12px;color:var(--muted);margin-top:6px}
.quick-actions{display:flex;align-items:center;gap:20px;margin-top:24px;flex-wrap:wrap}
.button,button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;font-size:13px;font-weight:600;border-radius:8px;border:1px solid #c9d9ce;background:#fff;color:var(--green);text-decoration:none}
.primary{background:var(--green);color:#fff;border-color:var(--green)}
.text-link{font-size:13px;min-height:44px;display:inline-flex;align-items:center}
.sheet-footer{font-size:11px;color:var(--muted);margin-top:18px}
.reading-tools{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:24px 0 28px}
.reading-tools p{font-size:13px;color:var(--muted)}
.print-actions{display:flex;gap:8px}
.print-actions button{font-size:12px;padding:8px 12px;background:transparent;color:var(--muted);border-color:var(--line)}
.guide-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px;align-items:start}
.guide-toc{position:sticky;top:24px;display:flex;flex-direction:column;gap:4px;padding:8px 0}
.guide-toc p{font-size:11px;color:var(--muted);padding:0 12px;margin-bottom:8px}
.guide-toc a{display:flex;align-items:center;min-height:44px;padding:8px 12px;font-size:13px;text-decoration:none;border-radius:7px;color:#425d4d}
.guide-toc a:hover{background:#eaf1ec;color:var(--green)}
.guide-toc .toc-secondary{border-top:1px solid var(--line);margin-top:12px;padding-top:16px;font-size:12px;color:var(--muted)}
.detail-sections{min-width:0}
.guide-section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px;margin-bottom:20px;overflow-wrap:anywhere;scroll-margin-top:24px}
.section-heading{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.guide-section h2{font-size:23px;line-height:1.5;letter-spacing:-.6px}
.section-lead{font-size:14px;color:var(--muted);margin-bottom:22px}
.section-lead b{color:var(--ink);font-weight:600}
.guide-section h3{font-size:17px;line-height:1.6;margin:24px 0 10px}
.guide-section h4{font-size:14px;margin:20px 0 8px}
.guide-section p{margin:10px 0;font-size:15px}
.guide-section ul,.guide-section ol{padding-left:22px;margin:12px 0}
.guide-section li{font-size:15px;margin:9px 0;padding-left:3px}
.guide-section li::marker{color:var(--green);font-weight:700}
.example-copy{background:#f7f9f7;border:1px solid #e6ece7;border-radius:9px;padding:18px 20px;margin:20px 0}
.example-copy .example-label{font-size:11px;font-weight:600;color:var(--muted);margin:0 0 10px}
.example-copy p{margin:0;font-size:14px}
.example-copy dl{display:grid;grid-template-columns:70px 1fr;gap:10px 16px;margin:0;font-size:14px}
.example-copy dt{color:var(--muted);font-size:12px;padding-top:2px}
.example-copy dd{margin:0}
.source-list{list-style:none;padding:0!important;border-top:1px solid var(--line);margin:12px 0 20px!important}
.source-list li{display:grid;grid-template-columns:95px 1fr;gap:16px;border-bottom:1px solid var(--line);padding:12px 0;margin:0;font-size:13px}
.source-list strong{font-size:13px;font-weight:600}
.source-list span{color:var(--muted)}
.guide-detail{border:1px solid var(--line);border-radius:9px;margin:12px 0;background:#fff;scroll-margin-top:24px}
.guide-detail>summary{list-style:none;display:flex;align-items:center;gap:14px;padding:14px 16px;min-height:52px;cursor:pointer;font-size:13px;font-weight:600}
.guide-detail>summary::-webkit-details-marker{display:none}
.guide-detail>summary::after{content:'＋';font-size:20px;color:var(--muted);margin-left:auto;flex:none;font-weight:400;line-height:1}
.guide-detail[open]>summary::after{content:'−'}
.guide-detail>summary:hover{background:#f6f9f7;border-radius:9px}
.detail-body{padding:0 18px 16px}
.detail-body p,.detail-body li{font-size:14px}
.detail-body>:first-child{margin-top:4px}
.inline-note{border-left:2px solid #a8c8b7;padding:2px 0 2px 16px;margin:24px 0 8px}
.inline-note strong{font-size:13px}
.inline-note p{font-size:13px;color:var(--muted);margin:4px 0}
.tip,.cost-note{background:var(--surface);padding:16px 18px;border-radius:9px;margin:20px 0}
.tip strong,.cost-note strong{font-size:13px}
.tip p,.cost-note p{font-size:13px;margin:6px 0 0}
.cost-note{background:#fbf6e9}
.guide-section .small-note{font-size:12px;color:var(--muted);line-height:1.9}
.instruction-steps{padding-left:24px!important}
.instruction-steps>li{padding:0 0 18px 8px;margin:0 0 14px;border-bottom:1px solid #edf1ee;break-inside:avoid}
.instruction-steps strong{font-size:14px}
.instruction-steps p{font-size:13px;color:var(--muted);margin:4px 0 0}
.check-list{list-style:'✓  ';padding-left:22px!important}
.sub-section{margin-top:24px;scroll-margin-top:24px}
.faq-section>.eyebrow{font-size:12px;margin-top:0}
.faq-section>h2{margin-bottom:24px}
.faq-section .guide-detail:last-child{margin-bottom:0}
.guide-footer{display:flex;justify-content:space-between;gap:16px;margin:12px 0;padding:12px 0;font-size:13px}
.guide-footer a{min-height:44px;display:flex;align-items:center}
@media(max-width:850px){
  .guide-toolbar{padding:16px 24px}
  main{padding:8px 24px 24px}
  .quick-sheet{padding:28px}
  h1{font-size:32px}
  .quick-steps{gap:18px}
  .quick-steps h2{font-size:16px}
  .guide-layout{grid-template-columns:1fr;gap:16px}
  .guide-toc{position:static;flex-direction:row;flex-wrap:wrap;border-bottom:1px solid var(--line);gap:4px;padding:0 0 16px}
  .guide-toc p{width:100%;padding:0 8px;margin:0}
  .guide-toc a{padding:6px 10px;font-size:12px}
  .guide-toc .toc-secondary{border:0;padding:6px 10px;margin:0}
  .guide-section{padding:28px}
  .reading-tools{align-items:flex-start}
}
@media(max-width:520px){
  .guide-toolbar{padding:12px 16px;gap:8px;flex-wrap:wrap}
  .guide-brand{font-size:15px;gap:8px}
  .guide-brand img{width:30px;height:30px}
  .guide-brand small{font-size:11px;margin-left:6px;padding-left:6px}
  .back-link{font-size:11px}
  main{padding:4px 16px 24px}
  .quick-sheet{padding:24px 20px;border-radius:12px}
  .eyebrow{font-size:11px}
  h1{font-size:28px;letter-spacing:-1px;line-height:1.5}
  .lead{font-size:13px}
  .quick-steps{grid-template-columns:1fr;gap:0;margin:24px 0}
  .quick-steps li{display:grid;grid-template-columns:28px 1fr;gap:0 12px;padding:16px 0}
  .quick-steps .step-number{grid-row:1/3}
  .quick-steps h2{margin:0 0 4px}
  .quick-steps p{font-size:13px}
  .quick-path{padding:16px}
  .quick-path strong,.quick-path p{font-size:13px}
  .quick-path small{font-size:11px}
  .quick-path p span{padding:0 1px}
  .quick-actions{gap:8px 16px;margin-top:18px}
  .quick-actions .button{width:100%}
  .quick-actions .text-link{font-size:12px}
  .sheet-footer{font-size:11px}
  .reading-tools{display:block;margin:20px 0}
  .reading-tools p{font-size:12px;margin-bottom:10px}
  .print-actions{gap:6px}
  .print-actions button{font-size:11px;padding:8px 10px;flex:1}
  .guide-section{padding:22px 18px;margin-bottom:16px}
  .guide-section h2{font-size:20px}
  .section-heading{gap:10px}
  .guide-section .section-lead{font-size:13px}
  .guide-section h3{font-size:16px}
  .guide-section p,.guide-section li{font-size:14px}
  .example-copy{padding:16px}
  .example-copy dl{grid-template-columns:1fr;gap:4px}
  .example-copy dd{margin-bottom:10px;font-size:13px}
  .example-copy dd:last-child{margin-bottom:0}
  .source-list li{grid-template-columns:75px 1fr;gap:10px;font-size:12px}
  .source-list strong{font-size:12px}
  .guide-detail>summary{font-size:12px;padding:13px 14px}
  .detail-body{padding:0 14px 14px}
  .detail-body p,.detail-body li{font-size:13px}
  .tip,.cost-note{padding:14px}
  .instruction-steps>li{padding-left:6px}
  .instruction-steps strong{font-size:13px}
  .instruction-steps p{font-size:12px}
  .guide-footer{font-size:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{
  @page{size:A4 portrait;margin:14mm}
  html{scroll-behavior:auto}
  body{background:#fff;font-size:10pt;color:#243c32}
  .guide-toolbar,.reading-tools,.guide-toc,.guide-footer,.skip-link,.quick-actions{display:none!important}
  main{max-width:none;margin:0;padding:0}
  .quick-sheet,.guide-section{border:0;border-radius:0;padding:0;box-shadow:none}
  .quick-sheet{break-after:page}
  h1{font-size:28pt;line-height:1.4;margin-bottom:12px}
  .lead{font-size:11pt}
  .eyebrow{font-size:9pt}
  .quick-steps{grid-template-columns:1fr;gap:0;margin:24px 0}
  .quick-steps li{display:grid;grid-template-columns:28px 1fr;gap:0 14px;padding:16px 0}
  .quick-steps .step-number{grid-row:1/3}
  .quick-steps h2{font-size:13pt;margin:0 0 4px}
  .quick-steps p{font-size:10pt}
  .quick-path{padding:16px}
  .quick-path strong,.quick-path p{font-size:11pt}
  .quick-path small,.sheet-footer{font-size:9pt}
  .guide-layout{display:block}
  .guide-section{break-before:page;margin:0}
  .guide-section h2{font-size:19pt}
  .guide-section h3{font-size:13pt}
  .guide-section h2,.guide-section h3,.guide-section h4,.section-heading{break-after:avoid}
  .guide-section p,.guide-section li{font-size:10pt}
  .guide-section .small-note{font-size:9pt}
  .guide-detail{border-radius:0;break-inside:auto}
  .guide-detail>summary{break-after:avoid;font-size:11pt;padding:12px 14px}
  .guide-detail>summary::after{display:none}
  .detail-body p,.detail-body li{font-size:10pt}
  .example-copy,.tip,.cost-note,.inline-note{break-inside:avoid}
  .example-copy,.tip,.cost-note{padding:12px 16px;margin:16px 0}
  .step-number,.quick-path,.example-copy,.tip,.cost-note{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body[data-print="quick"] .guide-layout{display:none!important}
  body[data-print="quick"] .quick-sheet{break-after:auto}
}