:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --surface-2: #efede6;
  --ink: #141a24;
  --ink-2: #4a5262;
  --ink-3: #7c8494;
  --line: #e2dfd6;
  --dark: #1b1f26;
  --dark-2: #252a33;
  --on-dark: #f3f1ec;
  --on-dark-2: rgba(243,241,236,.72);
  --gold: #a9834a;
  --gold-ink: #8a6a37;
  --gold-soft: #f2e9da;
  --win: #1f6f4a;
  --win-soft: #e2f0e8;
  --mid: #8a5a12;
  --mid-soft: #f6ead5;
  --radius: 14px;
  --maxw: 1160px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418; --surface: #191d23; --surface-2: #1f242b; --ink: #eef0f3; --ink-2: #b8bfca; --ink-3: #8a929f;
    --line: #2b313a; --dark: #0b0d10; --dark-2: #15181d; --gold: #d0aa6c; --gold-ink: #d9b679; --gold-soft: #2b251a;
    --win: #74d1a3; --win-soft: #16302a; --mid: #e5b768; --mid-soft: #2d2617;
  }
}
:root[data-theme="dark"] {
  --bg: #111418; --surface: #191d23; --surface-2: #1f242b; --ink: #eef0f3; --ink-2: #b8bfca; --ink-3: #8a929f;
  --line: #2b313a; --dark: #0b0d10; --dark-2: #15181d; --gold: #d0aa6c; --gold-ink: #d9b679; --gold-soft: #2b251a;
  --win: #74d1a3; --win-soft: #16302a; --mid: #e5b768; --mid-soft: #2d2617;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Pretendard", -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.7; word-break: keep-all; -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--dark) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  color: var(--on-dark);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { text-decoration: none; display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.brand b { font-size: 19px; letter-spacing: -.01em; }
.brand span { font-size: 12.5px; color: var(--on-dark-2); }
.nav { display: flex; gap: 26px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--on-dark-2); }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; }
.header-cta { text-decoration: none; font-weight: 700; font-size: 14px; padding: 9px 16px; border-radius: 999px; background: var(--gold); color: #fff; white-space: nowrap; }
.menu-btn { display: none; background: none; border: 0; color: var(--on-dark); font: inherit; font-size: 15px; cursor: pointer; padding: 8px 0; }

/* Hero */
.hero { background: var(--dark); color: var(--on-dark); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: end; padding-top: 72px; }
.eyebrow { font-size: 13px; letter-spacing: .16em; font-weight: 600; color: var(--gold); margin: 0 0 18px; }
.hero h1 { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.22; letter-spacing: -.025em; margin: 0 0 20px; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero .lead { font-size: clamp(16px, 1.8vw, 18.5px); color: var(--on-dark-2); margin: 0 0 32px; max-width: 600px; }
.promises { list-style: none; margin: -12px 0 30px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; max-width: 640px; }
.promises li { padding-left: 14px; border-left: 2px solid var(--gold); }
.promises b { display: block; font-size: 15.5px; color: #fff; }
.promises span { font-size: 13.5px; color: var(--on-dark-2); line-height: 1.55; display: block; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 56px; }
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; font-size: 15.5px; padding: 13px 22px; border-radius: 10px; }
.btn.gold { background: var(--gold); color: #fff; }
.btn.line { border: 1px solid rgba(255,255,255,.3); color: var(--on-dark); }
.btn.line-dark { border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.hero-photo { align-self: end; position: relative; }
.hero-photo img { width: 100%; max-width: 400px; margin-left: auto; aspect-ratio: 1; object-fit: cover; border-radius: 18px 18px 0 0; }
.hero-photo figcaption { position: absolute; left: 0; bottom: 20px; background: rgba(11,13,16,.82); padding: 10px 16px; border-radius: 0 10px 10px 0; font-size: 14px; }
.hero-photo figcaption b { display: block; font-size: 17px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.12); }
.stat { padding: 22px 20px 26px 0; }
.stat b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -.02em; color: #fff; }
.stat span { font-size: 13.5px; color: var(--on-dark-2); }
.stats-note { font-size: 12px; color: rgba(243,241,236,.45); padding-bottom: 18px; margin: 0; }

/* Sections */
section.block { padding: 88px 0 0; }
.sec-head { margin-bottom: 32px; max-width: 720px; }
.sec-head .kicker { font-size: 13px; letter-spacing: .14em; font-weight: 700; color: var(--gold-ink); margin: 0 0 10px; }
.sec-head h2 { font-size: clamp(25px, 3vw, 34px); line-height: 1.3; letter-spacing: -.02em; margin: 0 0 10px; }
.sec-head p { color: var(--ink-2); margin: 0; font-size: 16.5px; }

/* Practice */
.practice-main { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pcard { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 32px; display: flex; flex-direction: column; }
.pcard .tag { font-size: 13px; font-weight: 700; color: var(--gold-ink); margin-bottom: 8px; }
.pcard h3 { font-size: 24px; margin: 0 0 10px; letter-spacing: -.015em; }
.pcard > p { color: var(--ink-2); margin: 0 0 20px; }
.pcard ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; font-size: 15px; }
.pcard li { padding-left: 16px; position: relative; }
.pcard li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.pcard .more { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding-top: 18px; border-top: 1px solid var(--line); font-size: 15px; }
.pcard .more b { font-size: 22px; }
.pcard .more a { font-weight: 700; color: var(--gold-ink); text-decoration: none; }
.practice-sub { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.scard { background: var(--surface-2); border-radius: var(--radius); padding: 22px 24px; }
.scard h3 { font-size: 17px; margin: 0 0 6px; }
.scard p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* Why */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-item { border-top: 2px solid var(--ink); padding-top: 20px; }
.why-item .num { font-size: 13px; font-weight: 700; color: var(--gold-ink); }
.why-item h3 { font-size: 19px; margin: 6px 0 8px; letter-spacing: -.01em; }
.why-item p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* Case cards (shared) */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case { display: flex; flex-direction: column; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 18px; transition: border-color .15s, transform .15s, box-shadow .15s; }
.case:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(20,26,36,.08); }
.case-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.cat { font-size: 12.5px; font-weight: 600; color: var(--ink-3); }
.res { font-size: 13px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--win-soft); color: var(--win); text-align: right; }
.res.mid { background: var(--mid-soft); color: var(--mid); }
.case h3 { font-size: 16.5px; line-height: 1.5; margin: 0; letter-spacing: -.01em; }
.case p { font-size: 14.5px; color: var(--ink-2); margin: 0; flex: 1; }
.case-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--ink-3); }
.case-foot a { color: var(--gold-ink); font-weight: 700; text-decoration: none; }
.case-foot a:hover { text-decoration: underline; }
.center-cta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
button.btn { cursor: pointer; font: inherit; font-weight: 700; font-size: 15.5px; }

/* Career */
.career { display: grid; grid-template-columns: 300px 1fr; gap: 48px; }
.career-photo img { border-radius: 16px; aspect-ratio: 1; object-fit: cover; }
.career-photo p { margin: 14px 0 0; font-size: 15px; color: var(--ink-2); }
.career-photo p b { color: var(--ink); font-size: 20px; display: block; }
.career-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 40px; }
.career-cols h3 { font-size: 15px; letter-spacing: .04em; color: var(--gold-ink); margin: 0 0 12px; }
.tl { list-style: none; margin: 0; padding: 0; }
.tl li { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.tl li span { color: var(--ink-3); font-variant-numeric: tabular-nums; font-size: 14px; }

/* Press */
.press { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.press li { border-bottom: 1px solid var(--line); }
.press a { display: grid; grid-template-columns: 76px 1fr; gap: 12px; padding: 14px 0; text-decoration: none; font-size: 15.5px; }
.press a:hover strong { text-decoration: underline; }
.press span { color: var(--ink-3); font-size: 14px; font-variant-numeric: tabular-nums; }
.press strong { font-weight: 500; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step::before { counter-increment: s; content: "0" counter(s); display: block; font-size: 13px; font-weight: 800; color: var(--gold-ink); margin-bottom: 8px; }
.step h3 { font-size: 17px; margin: 0 0 6px; }
.step p { margin: 0; font-size: 14.5px; color: var(--ink-2); }

/* FAQ */
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 19px 0; font-weight: 600; font-size: 16.5px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 12px; color: var(--ink-2); }
.faq-tabs { margin-bottom: 16px; }
.faq summary { align-items: baseline; }
.qtag { flex: 0 0 auto; font-size: 12px; font-weight: 700; color: var(--gold-ink); background: var(--gold-soft); padding: 2px 9px; border-radius: 999px; transform: translateY(-1px); }
.qtext { flex: 1; }
.faq-a { padding-bottom: 20px; }
.faq-a a { font-size: 14.5px; font-weight: 700; color: var(--gold-ink); text-decoration: none; }
.faq-a a:hover { text-decoration: underline; }
.faq-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.faq-actions .btn { cursor: pointer; font: inherit; font-weight: 700; font-size: 15px; }
[hidden] { display: none !important; }

/* Contact */
.contact { margin-top: 88px; background: var(--dark); color: var(--on-dark); }
.contact .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-top: 72px; padding-bottom: 72px; }
.contact h2 { font-size: clamp(25px, 3vw, 34px); margin: 0 0 12px; letter-spacing: -.02em; line-height: 1.3; }
.contact p { color: var(--on-dark-2); margin: 0 0 28px; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-list span { color: var(--on-dark-2); font-size: 14px; }
.contact-list a { text-decoration: none; font-weight: 600; }
.contact-list a:hover { color: var(--gold); }

/* Footer */
.site-footer { background: var(--dark-2); color: var(--on-dark-2); font-size: 13px; padding: 32px 0 40px; }
.site-footer p { margin: 0 0 6px; }
.site-footer b { color: var(--on-dark); }

/* Case detail page */
.detail-hero { padding: 48px 0 40px; }
.crumbs { margin: 0 0 16px; font-size: 14px; color: var(--on-dark-2); }
.crumbs a { color: var(--on-dark-2); text-decoration: none; }
.crumbs a:hover { color: #fff; }
.detail-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 14px; font-size: 14px; color: var(--on-dark-2); }
.detail-meta .cat { color: var(--on-dark-2); }
.detail { max-width: 820px; padding-top: 16px; }
.detail section { padding-top: 40px; }
.detail h2 { display: flex; align-items: baseline; gap: 12px; font-size: 22px; margin: 0 0 14px; letter-spacing: -.015em; }
.detail h2 span { font-size: 13px; font-weight: 800; color: var(--gold-ink); }
.detail p { margin: 0; font-size: 16.5px; color: var(--ink-2); }
.detail-list, .detail-steps { margin: 0; padding-left: 22px; display: grid; gap: 10px; font-size: 16.5px; color: var(--ink-2); }
.detail-list li::marker { color: var(--gold); }
.detail-steps li::marker { color: var(--gold-ink); font-weight: 700; }
.detail-result { background: var(--win-soft); color: var(--ink) !important; border-left: 3px solid var(--win); padding: 16px 20px; border-radius: 0 10px 10px 0; font-weight: 500; }
.doc { margin: 18px 0 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.doc img { width: auto; max-width: 100%; margin: 0 auto; }
.original { margin-top: 20px; padding: 18px 20px; border: 1px dashed var(--line); border-radius: 12px; background: var(--surface); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; }
.original p { flex: 1 1 320px; font-size: 14.5px !important; color: var(--ink-3) !important; }
.original .btn { padding: 10px 18px; font-size: 14.5px; white-space: nowrap; }
.detail-similar .faq { margin-top: 18px; }
.detail-cta { margin-top: 24px; background: var(--dark); color: var(--on-dark); border-radius: 16px; padding: 26px; display: grid; gap: 18px; }
.detail-cta b { font-size: 19px; display: block; margin-bottom: 6px; }
.detail-cta p { color: var(--on-dark-2); font-size: 15px; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.detail-back { margin-top: 32px !important; }
.detail-back a { color: var(--gold-ink); font-weight: 700; text-decoration: none; }

/* Cases page */
.page-hero { background: var(--dark); color: var(--on-dark); padding: 64px 0 48px; }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 12px; letter-spacing: -.02em; line-height: 1.25; }
.page-hero p { margin: 0; color: var(--on-dark-2); max-width: 640px; }
.toolbar { position: sticky; top: 64px; z-index: 20; background: var(--bg); border-bottom: 1px solid var(--line); padding: 18px 0 14px; }
.toolbar .wrap { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab { font: inherit; font-size: 14.5px; font-weight: 600; cursor: pointer; padding: 8px 15px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); }
.tab .n { font-weight: 500; color: var(--ink-3); margin-left: 4px; font-size: 12.5px; }
.tab[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.tab[aria-pressed="true"] .n { color: var(--bg); opacity: .7; }
.search { font: inherit; font-size: 15px; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); min-width: 260px; }
.search:focus, .tab:focus-visible, .btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.result-count { font-size: 14px; color: var(--ink-3); margin: 24px 0 14px; }
.empty { display: none; text-align: center; color: var(--ink-3); padding: 48px 0; }
.disclaimer { font-size: 12.5px; color: var(--ink-3); margin: 40px 0 0; }

@media (max-width: 960px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; gap: 0; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark); padding: 8px 24px 16px; }
  .nav.open a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .menu-btn { display: block; margin-left: auto; }
  .hero .wrap { grid-template-columns: 1fr; gap: 8px; padding-top: 40px; }
  .hero-photo { order: -1; width: 132px; margin: 0 0 20px; }
  .hero-photo img { border-radius: 16px; }
  .hero-photo figcaption { display: none; }
  .hero-btns { margin-bottom: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .practice-main, .why, .career, .contact .wrap, .press { grid-template-columns: 1fr; }
  .practice-sub, .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .career-photo { display: flex; gap: 20px; align-items: center; }
  .career-photo img { width: 120px; }
  .career-photo p { margin: 0; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 16px; }
  .brand span { display: none; }
  .header-cta { padding: 8px 12px; font-size: 13px; }
  section.block { padding-top: 64px; }
  .pcard { padding: 24px 20px; }
  .pcard ul, .career-cols, .promises { grid-template-columns: 1fr; }
  .practice-sub, .grid, .steps { grid-template-columns: 1fr; }
  .tl li { grid-template-columns: 80px 1fr; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .search { min-width: 0; width: 100%; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; width: 100%; padding-bottom: 2px; }
  .tab { flex: 0 0 auto; }
  .toolbar { top: 64px; }
}