:root{--a:#b45309;--as:#fffaf0;--ink:#14181f;--mut:#5b6472;--line:#e5e8ee;--bg:#fff;--r:14px}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Pretendard',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:17px;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
.wrap{max-width:820px;margin:0 auto;padding:0 22px}
.wide{max-width:1080px;margin:0 auto;padding:0 22px}
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:20}
header.site .wide{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;letter-spacing:-.02em}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--a);flex:none}
nav.top{display:flex;gap:20px;font-size:14.5px;color:var(--mut)}
nav.top a:hover{color:var(--a)}
.hero{padding:64px 0 48px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--as) 0%,#fff 100%)}
.hero .eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--a);letter-spacing:.02em;margin-bottom:14px}
.hero h1{font-size:clamp(28px,5vw,42px);line-height:1.28;letter-spacing:-.035em;font-weight:800;margin-bottom:16px;text-wrap:balance}
.hero p{color:var(--mut);font-size:17.5px;max-width:640px}
.hero .meta{margin-top:26px;font-size:14px;color:var(--mut);display:flex;flex-wrap:wrap;gap:8px 18px}
.sec{padding:52px 0}
.sec h2.lead{font-size:22px;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}.sec p.sub{color:var(--mut);font-size:15px;margin-bottom:26px}
.sec-alt{background:#fafbfc;border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;transition:.16s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(20,24,31,.09);border-color:#d6dae2}
.card img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;background:var(--as)}
.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:7px;flex:1}
.card .k{font-size:12px;font-weight:700;color:var(--a);letter-spacing:.02em}
.card h3{font-size:16.5px;font-weight:700;line-height:1.45;letter-spacing:-.02em;text-wrap:balance}
.card p{font-size:13.5px;color:var(--mut);line-height:1.6}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
article.post{padding:44px 0 20px}
.crumb{font-size:13.5px;color:var(--mut);margin-bottom:18px}
.crumb a:hover{color:var(--a)}
article.post h1{font-size:clamp(26px,4.4vw,36px);line-height:1.3;letter-spacing:-.035em;font-weight:800;margin-bottom:14px;text-wrap:balance}
article.post .sum{font-size:17px;color:var(--mut);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:26px}
article.post .byline{font-size:13.5px;color:var(--mut);margin-bottom:20px}
.toc{background:var(--as);border-radius:var(--r);padding:18px 22px;margin:0 0 32px;font-size:14.5px}
.toc b{display:block;font-size:12.5px;letter-spacing:.04em;color:var(--a);margin-bottom:8px;text-transform:uppercase}
.toc ol{list-style:none;counter-reset:t;display:flex;flex-direction:column;gap:5px}
.toc li{counter-increment:t;color:var(--mut)}
.toc li::before{content:counter(t) '. ';color:var(--a);font-weight:700}
.toc a:hover{color:var(--a)}
article.post h2{font-size:21px;font-weight:800;letter-spacing:-.03em;margin:38px 0 12px;padding-top:6px;scroll-margin-top:80px;text-wrap:balance}
.qa{display:flex;flex-direction:column;gap:0;margin:4px 0 24px;border-top:1px solid var(--line)}
.qa-item{border-bottom:1px solid var(--line);padding:16px 0}
.qa-q{font-weight:700;font-size:16px;margin-bottom:7px;color:#14181f}
.qa-q::before{content:'Q. ';color:var(--a);font-weight:800}
.qa-a{color:#3b434f;font-size:15.5px;line-height:1.72}
article.post p{margin:0 0 16px}
article.post ul{margin:0 0 18px;padding-left:2px;list-style:none}
article.post ul li{position:relative;padding-left:19px;margin-bottom:9px;color:#252b35}
article.post ul li::before{content:'';position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--a);opacity:.65}
table{width:100%;border-collapse:collapse;margin:6px 0 22px;font-size:15px}
table.scroll{display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
th{background:var(--as);font-weight:700;font-size:14px;white-space:nowrap}
td{color:#252b35}
.ad{border:1px dashed #d9dde5;border-radius:10px;padding:14px;text-align:center;color:#6b7280;font-size:12px;margin:30px 0;background:#fbfcfd;min-height:96px;display:flex;align-items:center;justify-content:center}
.ad-label{font-size:11px;letter-spacing:.06em;color:#6b7280;text-align:center;margin-bottom:5px}
.skip{position:absolute;left:-9999px;top:0;background:var(--a);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:100;font-weight:700}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--a);outline-offset:2px;border-radius:4px}
a:focus-visible,button:focus-visible{outline:3px solid var(--a);outline-offset:3px}
main{display:block}
.foot-brand{margin-bottom:10px}
.foot-note{color:var(--mut);font-size:13.5px;line-height:1.7}
.foot-h{font-size:12.5px;letter-spacing:.05em;color:var(--mut);margin-bottom:10px;text-transform:uppercase;font-weight:700}
table caption{caption-side:top;text-align:left;font-size:13px;color:var(--mut);padding-bottom:8px}
.related{margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.related h2{font-size:18px;margin-bottom:16px}
.rel-list{display:grid;gap:12px}
.srcs{margin:44px 0 0;padding:22px 0 0;border-top:1px solid var(--line)}
.srcs h2{font-size:15px;font-weight:700;margin-bottom:8px}
.srcs>p{font-size:13.5px;color:var(--mut);margin-bottom:14px}
.srcs ul{list-style:none;display:grid;gap:10px}
.srcs li{font-size:14px;line-height:1.6}
.srcs li a{font-weight:600;color:var(--a);text-decoration:underline;text-underline-offset:2px}
.srcs li span{display:block;color:var(--mut);font-size:13px}
.rel-list a{display:flex;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.rel-t{color:inherit;font-size:15px}
.rel-s{color:var(--mut);font-size:13px;flex:none}
.tscroll{overflow-x:auto;margin:6px 0 22px;-webkit-overflow-scrolling:touch}
.tscroll table{margin:0}
.ad-wrap{margin:30px 0}
footer.site{border-top:1px solid var(--line);margin-top:56px;padding:40px 0 56px;background:#fafbfc}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px;font-size:14px}
footer.site h4,.foot-h{font-size:12.5px;letter-spacing:.05em;color:var(--mut);margin-bottom:10px;text-transform:uppercase;font-weight:700}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:7px}
footer.site ul a{display:inline-block;padding:6px 0;min-height:32px;box-sizing:border-box}
footer.site a:hover{color:var(--a)}
footer .fine{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mut);line-height:1.75}
.plan-table{font-size:14px}
.plan-table th:nth-of-type(3),.plan-table td:nth-of-type(3){white-space:nowrap;width:72px}
.plan-table th:nth-of-type(1),.plan-table td:nth-of-type(1){width:34px}
.plan-link{color:var(--a);font-weight:600;display:inline-block;padding:13px 0;min-height:44px;box-sizing:border-box}
.plan-soon{font-size:11px;color:#4b535e;background:#e9ecf0;padding:1px 6px;border-radius:5px;white-space:nowrap}
.tag{display:inline-block;font-size:11.5px;font-weight:700;color:var(--a);background:var(--as);padding:2px 8px;border-radius:6px}
@media(max-width:640px){
  body{font-size:16.5px}
  .hero{padding:44px 0 36px}
  .grid{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr;gap:22px}
  footer.site ul a{padding:11px 0;min-height:44px}
  .crumb a{display:inline-block;padding:11px 0;min-height:44px}
  header.site .wide{height:auto;flex-direction:column;align-items:flex-start;gap:0;padding:11px 22px 0}
  .brand{font-size:15.5px;padding:6px 0 12px;max-width:100%;display:block}
  nav.top{gap:16px;font-size:13px;width:100%;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}
  nav.top::-webkit-scrollbar{display:none}
  nav.top a{white-space:nowrap;padding:11px 0 12px;display:inline-block}
  article.post{padding:32px 0 16px}
  .toc{padding:16px 18px;font-size:14px}
  table{font-size:14px}
}