:root {
  --orange: #DC753B;
  --orange-ink: #9E4A1C;
  --ink: #151413;
  --paper: #F4F1EC;
  --paper-2: #EAE5DD;
  --line: rgba(21, 20, 19, .14);
  --muted: #5E5A55;
  --radius: 14px;
  --gutter: clamp(16px, 3vw, 40px);
  --sans: "Inter Tight", "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  --kr: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--paper); color: var(--ink); font-family: var(--kr); font-size: 17px; line-height: 1.7; -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-x: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
.wrap { padding: 0 var(--gutter); max-width: 1080px; margin: 0 auto; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(244, 241, 236, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }
.logo { display: flex; align-items: center; gap: 9px; font-family: var(--sans); font-weight: 800; font-size: 18px; letter-spacing: -.02em; text-decoration: none; }
.logo img { height: 28px; width: auto; max-width: none; }
.logo b { color: var(--orange); }
.nav__cta { font-family: var(--sans); font-weight: 600; font-size: 14px; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; text-decoration: none; white-space: nowrap; }
.nav__cta:hover { background: var(--orange-ink); }

.crumbs { font-size: 14px; color: var(--muted); padding-top: 28px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

.hero { padding: 28px 0 40px; border-bottom: 1px solid var(--line); }
.hero .mono { color: var(--orange-ink); }
h1 { font-family: var(--kr); font-size: clamp(30px, 5vw, 52px); line-height: 1.2; letter-spacing: -.035em; margin: 12px 0 20px; }
.lead { font-size: clamp(18px, 2vw, 21px); max-width: 46em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--sans); font-weight: 600; font-size: 15px; padding: 13px 20px; border-radius: 10px; text-decoration: none; }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--orange-ink); }
.btn--line { border: 1px solid var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--paper); }

section.block { padding: 48px 0; border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -.03em; line-height: 1.3; margin-bottom: 20px; }
h3 { font-size: 19px; letter-spacing: -.02em; line-height: 1.4; margin-bottom: 6px; }
p + p { margin-top: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { font-size: 16px; color: var(--muted); }
ul.list { list-style: none; display: grid; gap: 10px; }
ul.list li { padding-left: 22px; position: relative; }
ul.list li::before { content: ""; position: absolute; left: 4px; top: .7em; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
ol.steps { list-style: none; counter-reset: s; display: grid; gap: 14px; }
ol.steps li { counter-increment: s; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px 20px 70px; position: relative; }
ol.steps li::before { content: "0" counter(s); position: absolute; left: 22px; top: 20px; font-family: var(--mono); font-weight: 600; color: var(--orange-ink); }
table.rec { width: 100%; border-collapse: collapse; font-size: 16px; }
table.rec th, table.rec td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.rec th { font-weight: 600; color: var(--muted); font-size: 14px; }
.tablewrap { overflow-x: auto; }
.stat { display: flex; flex-wrap: wrap; gap: 14px; }
.stat div { background: var(--ink); color: var(--paper); border-radius: var(--radius); padding: 20px 22px; flex: 1 1 180px; }
.stat b { display: block; font-family: var(--sans); font-size: 32px; letter-spacing: -.03em; color: var(--orange); }
.stat span { font-size: 15px; }

.case { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; padding: 28px 0; border-top: 1px solid var(--line); }
.case:first-of-type { border-top: 0; }
.case__photos { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.case__photos img { border-radius: 10px; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.case dl { display: grid; grid-template-columns: 90px 1fr; gap: 6px 14px; font-size: 16px; }
.case dt { color: var(--muted); }
.role { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--ink); border-radius: 999px; padding: 2px 9px; margin-left: 8px; vertical-align: middle; }

.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { display: inline; font-size: 18px; }
.faq summary::after { content: "+"; float: right; font-family: var(--mono); color: var(--orange-ink); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; color: #3a3734; }

.cta { background: var(--orange); border-radius: var(--radius); padding: clamp(28px, 5vw, 48px); margin: 48px 0; }
.cta h2 { margin-bottom: 10px; }
.cta p { max-width: 40em; }
.cta .btn--dark { margin-top: 20px; }
.cta small { display: block; margin-top: 12px; font-size: 15px; }

.related { padding: 8px 0 48px; }
.related ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.related a { display: inline-block; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 14px; font-size: 15px; text-decoration: none; }
.related a:hover { border-color: var(--ink); }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: 14px; color: var(--muted); }
footer p + p { margin-top: 4px; }
footer a { text-decoration: underline; }

@media (max-width: 560px) {
  .nav__cta { padding: 9px 12px; font-size: 13px; }
  .logo span { display: none; }
  ol.steps li { padding-left: 56px; }
  ol.steps li::before { left: 18px; }
  .case dl { grid-template-columns: 1fr; }
  .case dt { margin-top: 6px; }
}