:root{--bk:#111;--sub:#5F5B55;--mut:#6B665F;--wt2:#F7F5F1;--gold:#B99455;--gtx:#916A18;--line:rgba(17,17,17,.1);--px:clamp(18px,5vw,40px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--bk);font-family:'Pretendard Variable',Pretendard,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;font-size:17px;line-height:1.8;word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;height:62px;padding:0 var(--px);background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-weight:800;letter-spacing:.18em;font-size:16px;text-decoration:none;white-space:nowrap}
.brand b{color:var(--gtx)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;white-space:nowrap}
.btn.gold{background:linear-gradient(180deg,#EAD9B1,#CDA965);color:#1A140C}
.btn.line{border:1px solid #222;color:#222}
.btn.sm{min-height:40px;padding:0 16px;font-size:14.5px}
main{max-width:760px;margin:0 auto;padding:0 var(--px) 40px}
.crumb{margin:26px 0 0;font-size:14px;color:var(--mut)}
.crumb a{color:var(--gtx);text-decoration:underline;text-underline-offset:3px}
main p a{text-decoration:underline;text-underline-offset:3px;color:var(--gtx)}
h1{margin:14px 0 0;font-size:clamp(30px,7.4vw,46px);line-height:1.3;letter-spacing:-.03em;font-weight:800;text-wrap:balance}
h1 em{font-style:normal;color:var(--gtx)}
.lead{margin:18px 0 0;font-size:18px;color:var(--sub)}
.toc{margin:28px 0 0;padding:20px 22px;background:var(--wt2);border-radius:16px}
.toc b{display:block;font-size:15px;margin-bottom:6px}
.toc ol{margin:0;padding-left:20px;font-size:16px;line-height:1.9}
.toc a{text-decoration:none}
h2{margin:56px 0 0;font-size:clamp(23px,5.4vw,30px);line-height:1.4;letter-spacing:-.02em;font-weight:800;scroll-margin-top:80px}
h2 small{display:block;font-size:14px;letter-spacing:.14em;color:var(--gtx);font-weight:800;margin-bottom:6px}
h3{margin:28px 0 0;font-size:19px;font-weight:800}
p{margin:14px 0 0}
ul.dot{margin:14px 0 0;padding-left:20px}
ul.dot li{margin:6px 0}
.box{margin:20px 0 0;padding:20px 22px;border:1px solid var(--line);border-radius:16px}
.note{font-size:14px;color:var(--mut);line-height:1.7}
table{width:100%;border-collapse:collapse;margin:18px 0 0;font-size:15.5px}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--wt2);font-weight:800}
td.n{white-space:nowrap;font-weight:800;color:var(--gtx)}
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0 0}
.tiers div{padding:16px 12px;border:1px solid var(--line);border-radius:14px;text-align:center}
.tiers div:last-child{background:#111;color:#fff;border-color:#111}
.tiers span{display:block;font-size:14px;color:var(--mut)}
.tiers div:last-child span{color:rgba(255,255,255,.7)}
.tiers b{display:block;font-size:26px;letter-spacing:-.02em;margin-top:4px}
.tiers i{font-style:normal;font-size:15px;font-weight:700}
.steps{counter-reset:s;list-style:none;margin:18px 0 0;padding:0}
.steps li{counter-increment:s;position:relative;padding:12px 0 12px 52px;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:12px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(185,148,85,.55);color:var(--gtx);font-weight:800;font-size:13px;line-height:1}
.steps b{display:block}
.fig{margin:22px 0 0;border-radius:16px;overflow:hidden;background:var(--wt2)}
.fig img{width:100%}
.fig figcaption{padding:10px 14px;font-size:14px;color:var(--mut)}
.dev{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;align-items:center;margin:20px 0 0}
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--gtx);font-weight:800}
details[open] summary::after{content:"−"}
details p{color:var(--sub)}
.cta{margin:56px 0 0;padding:30px 22px;border-radius:20px;background:#111;color:#fff;text-align:center}
.cta h2{margin:0;color:#fff}
.cta p{color:rgba(255,255,255,.75)}
.cta .row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.cta .btn.line{border-color:rgba(255,255,255,.6);color:#fff}
footer{margin-top:40px;padding:34px var(--px);background:var(--wt2);text-align:center;font-size:14px;color:var(--mut);line-height:1.8}
footer a{color:var(--gtx);text-decoration:none;font-weight:700}
@media (max-width:560px){.dev{grid-template-columns:1fr}.tiers b{font-size:22px}.cta .btn{width:100%}th,td{padding:10px 6px;font-size:14.5px}}
.related{margin:56px 0 0}
.related h2{margin-top:0}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 0}
.rel-grid a{display:block;padding:18px;border:1px solid var(--line);border-radius:16px;text-decoration:none;background:#fff}
.rel-grid a:hover{border-color:var(--gold)}
.rel-grid a:last-child:nth-child(odd){grid-column:1/-1}
.rel-grid b{display:block;font-size:17px;line-height:1.45}
.rel-grid span{display:block;margin-top:6px;font-size:14px;color:var(--mut);line-height:1.6}
.cmp td,.cmp th{font-size:15px}
.warn{margin:20px 0 0;padding:16px 18px;border-left:4px solid var(--gold);background:var(--wt2);border-radius:0 12px 12px 0;font-size:16px}
@media (max-width:760px){.rel-grid{grid-template-columns:1fr}}