:root{--bg:#f7f9fc;--paper:#ffffff;--navy:#0b2347;--ink:#16243a;--muted:#5e6b7d;--line:#dce4ee;--soft:#eef4fb;--soft2:#f2f7f6;--accent:#245a9a;--success:#146b5c}
body.boseongGrowthCase{background:var(--bg);color:var(--ink)}
.bgcWrap{width:min(1120px,calc(100% - 40px));margin:0 auto}
.bgcHero{background:linear-gradient(135deg,#0b2347 0%,#183c6b 100%);color:#fff;padding:72px 0 58px}
.bgcBreadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:14px;margin-bottom:28px;color:#d9e5f5}
.bgcBreadcrumb a{color:#fff;text-decoration:none}
.bgcKicker{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.bgcHero .bgcKicker{color:#bdd4f3}
.bgcHeroGrid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(290px,.7fr);gap:42px;align-items:start}
.bgcHero h1{color:#fff;font-size:clamp(36px,5vw,62px);line-height:1.08;letter-spacing:-.035em;margin:0 0 20px;max-width:900px}
.bgcHeroLead{font-size:19px;line-height:1.7;color:#edf4fd;max-width:780px;margin:0 0 26px}
.bgcHeroActions{display:flex;gap:12px;flex-wrap:wrap}
.bgcBtn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 19px;border-radius:10px;font-weight:800;text-decoration:none;border:1px solid transparent}
.bgcBtn.primary{background:#fff;color:var(--navy)}
.bgcBtn.secondary{border-color:#9bb5d6;color:#fff;background:transparent}
.bgcHeroCard{background:#fff;color:var(--ink);border-radius:18px;padding:24px;box-shadow:0 22px 50px rgba(0,0,0,.16)}
.bgcHeroCard small{display:block;font-weight:800;color:var(--accent);margin-bottom:8px}
.bgcHeroCard h2{font-size:23px;line-height:1.35;margin:0 0 14px;color:var(--navy)!important}
.bgcHeroCard :is(strong,b){color:var(--ink)!important}
.bgcHeroCard p{margin:0;color:var(--muted)!important;line-height:1.65}
.bgcHeroCard .note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px}
.bgcTrustStrip{color:var(--ink);background:#fff;border-bottom:1px solid var(--line)}
.bgcTrustGrid{display:grid;grid-template-columns:repeat(4,1fr)}
.bgcTrustItem{padding:20px 22px;border-right:1px solid var(--line)}
.bgcTrustItem:last-child{border-right:0}
.bgcTrustItem small{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:6px}
.bgcTrustItem strong{font-size:15px;color:var(--navy)}
.bgcSection{padding:70px 0;background:#fff;color:var(--ink);color-scheme:light}
.bgcSection.white{background:#fff}
.bgcSection.soft{background:var(--soft)}
.bgcSectionHead{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.75fr);gap:34px;align-items:end;margin-bottom:30px}
.bgcSectionHead h2{font-size:clamp(30px,4vw,44px);line-height:1.15;letter-spacing:-.025em;margin:0;color:var(--navy)}
.bgcSectionHead p{margin:0;color:var(--muted);font-size:16px;line-height:1.7}
.bgcAnswer{background:var(--navy);color:#fff;border-radius:18px;padding:30px}
.bgcAnswer h2{color:#fff;font-size:28px;margin:0 0 12px;line-height:1.3}
.bgcAnswer p{font-size:17px;line-height:1.7;color:#ecf3fd;margin:0}
.bgcMetricGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.bgcMetric{color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.bgcMetric small{display:block;color:var(--muted);font-weight:700;margin-bottom:8px}
.bgcMetric strong{display:block;color:var(--navy);font-size:30px;letter-spacing:-.03em;margin-bottom:6px}
.bgcMetric span{color:var(--muted);line-height:1.55;font-size:14px}
.bgcStudentList{display:grid;gap:24px}
.bgcStudent{color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 10px 24px rgba(24,50,83,.06)}
.bgcStudentHeader{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:22px}
.bgcBadge{display:inline-flex;border-radius:999px;background:#e9f1fb;color:#174b82;font-weight:800;font-size:12px;padding:7px 10px;margin-bottom:10px}
.bgcStudent h3{font-size:30px;line-height:1.25;margin:0;color:var(--navy)}
.bgcStudentHeader p{max-width:400px;margin:0;color:var(--muted);line-height:1.6}
.bgcScoreFlow{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}
.bgcScoreBox{color:var(--ink);border-radius:14px;background:#f6f8fb;padding:18px;border:1px solid #e2e8f0}
.bgcScoreBox b{display:block;font-size:27px;color:var(--navy);margin-bottom:5px}
.bgcScoreBox span{font-size:13px;color:var(--muted)}
.bgcStudentGrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.bgcPanel{color:var(--ink);background:#fbfcfe;border:1px solid var(--line);border-radius:14px;padding:20px}
.bgcPanel h4{font-size:18px;margin:0 0 12px;color:var(--navy)}
.bgcPanel ul{margin:0;padding-left:20px;color:var(--ink)}
.bgcPanel li{margin:8px 0;line-height:1.6}
.bgcShift{background:var(--soft2);border-left:4px solid var(--success);padding:16px 18px;border-radius:0 10px 10px 0;margin-top:18px;color:#1e4b43;line-height:1.65}
.bgcMethodGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bgcMethod{color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.bgcMethod .n{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff;font-weight:900;margin-bottom:16px}
.bgcMethod h3{font-size:20px;margin:0 0 9px;color:var(--navy)}
.bgcMethod p{margin:0;color:var(--muted);line-height:1.65}
.bgcMethod code{font-family:inherit;font-weight:800;color:var(--accent);background:#eef4fb;padding:2px 5px;border-radius:5px}
.bgcEvidenceGrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.bgcEvidence{color:var(--ink);border:1px solid var(--line);border-radius:16px;background:#fff;padding:24px}
.bgcEvidence h3{margin:0 0 10px;font-size:20px;color:var(--navy)}
.bgcEvidence p{margin:0;color:var(--muted);line-height:1.65}
.bgcEvidence .level{display:inline-block;font-size:12px;font-weight:900;color:var(--success);margin-bottom:9px}
.bgcDisclosure{margin-top:20px;background:#fff8e8;border:1px solid #f0dfb4;border-radius:12px;padding:18px 20px;color:#5b4a22;line-height:1.65}
.bgcAudienceGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bgcAudience{color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.bgcAudience h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.bgcAudience p{margin:0 0 16px;color:var(--muted);line-height:1.6}
.bgcAudience a{font-weight:800;color:var(--accent);text-decoration:none}
.bgcFaq{display:grid;gap:10px}
.bgcFaq details{color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.bgcFaq summary{font-weight:850;color:var(--navy);cursor:pointer}
.bgcFaq p{color:var(--muted);line-height:1.65;margin:12px 0 0}
.bgcCta{background:linear-gradient(135deg,#0b2347,#234f82);border-radius:20px;color:#fff;padding:34px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.bgcCta h2{color:#fff;font-size:30px;line-height:1.3;margin:0 0 10px}
.bgcCta p{margin:0;color:#e6eff9;line-height:1.65;max-width:720px}
.bgcCtaActions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.bgcSourceLinks{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.bgcSourceLinks a{color:var(--accent);font-weight:800;text-decoration:none}
.bgcDisclaimer{margin-top:20px;font-size:13px;color:var(--muted);line-height:1.65}
@media(max-width:900px){
  .bgcHeroGrid,.bgcSectionHead,.bgcStudentGrid,.bgcCta{grid-template-columns:1fr}
  .bgcTrustGrid{grid-template-columns:1fr 1fr}
  .bgcMetricGrid,.bgcMethodGrid,.bgcAudienceGrid{grid-template-columns:1fr}
  .bgcEvidenceGrid{grid-template-columns:1fr}
  .bgcCtaActions{justify-content:flex-start}
}
@media(max-width:620px){
  .bgcWrap{width:min(100% - 28px,1120px)}
  .bgcHero{padding:48px 0 38px}
  .bgcHero h1{font-size:38px}
  .bgcHeroLead{font-size:17px}
  .bgcTrustGrid{grid-template-columns:1fr}
  .bgcTrustItem{border-right:0;border-bottom:1px solid var(--line)}
  .bgcTrustItem:last-child{border-bottom:0}
  .bgcSection{padding:52px 0}
  .bgcStudent{padding:22px}
  .bgcStudentHeader{display:block}
  .bgcStudentHeader p{margin-top:12px}
  .bgcScoreFlow{grid-template-columns:1fr}
  .bgcStudent h3{font-size:26px}
  .bgcCta{padding:26px}
}