:root{--paper:#fff;--mist:#f3f6f3;--moss-tint:#e6efe8;--forest:#1e4a38;--forest-deep:#15362a;--moss:#6a9a7b;--ink:#1c231f;--stone:#6e7772;--line:#dce4de;--line-soft:#eaf0ec;
--serif:'Noto Serif KR',"Apple SD Gothic Neo",serif;--sans:'Noto Sans KR',"Apple SD Gothic Neo","Malgun Gothic",sans-serif;--wrap:1160px;--gutter:clamp(20px,5vw,64px);--nav:68px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:400;line-height:1.35}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--forest);color:#fff;font-weight:500;padding:12px 24px;font-size:15px}
.btn.light{background:#fff;color:var(--forest-deep)}
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:var(--nav);display:flex;align-items:center;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.nav .wrap{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-family:var(--serif);font-weight:600;font-size:21px;display:flex;align-items:center;gap:9px;line-height:1.1}
.brand .logo{width:38px;height:auto;fill:var(--forest);flex:none}.brand .logo .o{stroke:#fff;stroke-width:2.6;paint-order:stroke}
.menu{display:flex;gap:28px;font-size:14px;font-weight:500}.menu a{opacity:.85}.menu a:hover{opacity:1;color:var(--forest)}
.nav .btn{padding:10px 20px;font-size:14px}
.burger{display:none;background:none;border:0;width:40px;height:40px;padding:9px;cursor:pointer}.burger span{display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
main{padding-top:var(--nav)}
.doc{max-width:860px;padding-block:28px 80px}.doc.wide{max-width:var(--wrap)}
.crumb{font-size:13px;color:var(--stone);display:flex;flex-wrap:wrap;gap:6px;margin-bottom:28px}.crumb a:hover{color:var(--forest)}.crumb b{font-weight:500;color:var(--ink)}
.eyebrow{color:var(--moss);font-size:13px;font-weight:600;letter-spacing:.06em;margin:0 0 12px}
.hero h1{font-size:clamp(30px,4.4vw,46px);color:var(--forest-deep);margin-bottom:20px}
.lead{font-size:17.5px;color:#3a443e;margin:0 0 32px}
.cover{margin:0 0 36px;border-radius:16px;overflow:hidden;aspect-ratio:15/8;background:var(--mist)}.cover img{width:100%;height:100%;object-fit:cover}
.toc{display:flex;flex-direction:column;gap:6px;padding:20px 24px;background:var(--mist);border-radius:14px;margin-bottom:44px;font-size:15px}
.toc b{font-size:13px;color:var(--stone);font-weight:600;margin-bottom:4px}.toc a{color:var(--forest)}.toc a:hover{text-decoration:underline}
.doc section{margin-bottom:44px}
.doc h2{font-size:clamp(22px,2.6vw,28px);color:var(--forest-deep);margin-bottom:16px;padding-top:6px}
.doc p{margin:0 0 16px;color:#2b332e}
ul.lines{list-style:none;margin:8px 0 18px;padding:0;display:grid;gap:10px}
ul.lines li{border-left:2px solid var(--leaf,#9fc3ab);padding:2px 0 2px 16px;color:#2b332e}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{cursor:pointer;font-weight:500;font-size:16.5px;list-style:none}
.faq summary::after{content:"+";float:right;color:var(--moss);font-size:20px;line-height:1}.faq details[open] summary::after{content:"−"}
.faq details div{margin-top:10px;color:#3a443e}
.cta{background:var(--forest-deep);color:#f2f6f2;border-radius:18px;padding:clamp(32px,5vw,52px);margin:56px 0}
.cta h2{color:#fff!important}.cta p{color:#cfdcd3!important;margin-bottom:24px!important}
.related h2{margin-bottom:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.card{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:14px;overflow:hidden;padding-bottom:16px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--moss);transform:translateY(-2px)}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}.card b{font-family:var(--serif);font-weight:600;font-size:16.5px;padding:4px 16px 0;color:var(--forest-deep);line-height:1.45}
.card span{font-size:13.5px;color:var(--stone);padding:0 16px;line-height:1.6}
footer{background:#121e18;color:#b9c7be;padding:44px 0;font-size:13.5px;line-height:1.8}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px}
footer .brand{color:#fff;font-size:22px;margin-bottom:14px}footer .brand .logo{fill:#fff;width:42px}footer .brand .logo .o{stroke:#121e18}
footer .biz{display:grid;gap:2px}footer .biz .h{color:#e6ede8;font-weight:500}footer .biz span{color:#8fa197;margin:0 6px}
footer h4{font-family:var(--sans);font-size:15px;font-weight:600;color:#fff;margin-bottom:12px}
footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}footer ul a:hover{color:#fff}
footer .copy{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#8fa197;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
@media(max-width:900px){.menu,.nav .btn{display:none}.burger{display:block}
body.open .menu{display:flex;position:fixed;top:var(--nav);left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px}
body.open .menu a{padding:12px 0;border-bottom:1px solid var(--line-soft);font-size:16px}
footer .cols{grid-template-columns:1fr}}
@media(max-width:640px){.lead{font-size:16.5px}.doc{padding-block:20px 60px}.cards{grid-template-columns:1fr}}