@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Jua&display=swap');

:root{
  --bg:#FDFCFA;
  --surface:#F7F3EC;
  --surface-2:#F0EAE0;
  --text:#26221B;
  --muted:#726B5E;
  --border:#E4DCCE;
  --accent:#2547D6;
  --accent-strong:#1B36A8;
  --accent-soft:#EAEEFC;
}

*{box-sizing:border-box}
figure{margin:0}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Pretendard',-apple-system,sans-serif;
  word-break:keep-all;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Jua','Pretendard',sans-serif;font-weight:400;line-height:1.3;margin:0}
p{line-height:1.7;color:var(--text)}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}
img.hover-zoom{transition:transform .3s ease}
img.hover-zoom:hover{transform:scale(1.02)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--border)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:1160px;margin:0 auto}
.logo{font-family:'Jua',sans-serif;font-size:20px;letter-spacing:-.01em}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:10px 18px;border-radius:4px;font-size:14px;font-weight:600;transition:background .2s}
.nav-cta:hover{background:var(--accent-strong)}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px}
.hero .inner{display:grid;grid-template-columns:45% 55%;gap:48px;align-items:center}
.hero-label{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);border-radius:999px;padding:6px 14px;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4vw,44px);margin-bottom:18px}
.hero p.desc{font-size:16px;color:var(--muted);margin-bottom:28px;max-width:46ch}
.hero-photos{position:relative}
.hero-photos .main-shot{border-radius:2px 24px 2px 2px;overflow:hidden;border:1px solid var(--border)}
.hero-photos .main-shot img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-photos .detail-shot{position:absolute;right:-24px;bottom:-24px;width:38%;border:4px solid #fff;box-shadow:0 8px 28px rgba(20,30,28,.15);border-radius:2px}
.hero-photos .detail-shot img{aspect-ratio:4/5;object-fit:cover;width:100%}
.btn-call{display:inline-flex;align-items:center;gap:10px;background:var(--text);color:#fff;padding:14px 24px;font-weight:600;border-radius:4px}
.btn-call:hover{background:var(--accent-strong)}

/* ---------- 01 problem diagnosis ---------- */
.section-title{display:flex;align-items:baseline;gap:14px;margin-bottom:36px}
.section-title .num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:14px;letter-spacing:.15em}
.section-title h2{font-size:clamp(22px,3vw,30px)}
.diagnosis{padding:56px 0;background:var(--surface)}
.diagnosis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border)}
.diagnosis-item{background:var(--surface);padding:26px 22px}
.diagnosis-item .num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:13px}
.diagnosis-item h3{font-size:17px;margin:10px 0 6px}
.diagnosis-item p{font-size:14px;color:var(--muted)}

/* ---------- 02 before/after ---------- */
.ba-section{padding:72px 0}
.ba-case{margin-bottom:56px}
.ba-case:last-child{margin-bottom:0}
.ba-pair{display:grid;gap:2px;border:1px solid var(--border)}
.ba-pair.r-50{grid-template-columns:1fr 1fr}
.ba-pair.r-45{grid-template-columns:45% 55%}
.ba-figure{position:relative;background:var(--surface)}
.ba-figure img{width:100%;aspect-ratio:3/4;object-fit:cover}
.ba-figure .tag{position:absolute;top:14px;left:14px;background:rgba(27,35,33,.78);color:#fff;font-size:12px;letter-spacing:.15em;padding:5px 12px;border-radius:2px}
.ba-figure.after .tag{background:var(--accent)}
.ba-caption{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- 04 judgement ---------- */
.judge{padding:80px 0}
.judge-item{display:flex;align-items:center;gap:24px;padding:30px 0;border-top:1px solid var(--border);transition:border-color .2s}
.judge-item:last-child{border-bottom:1px solid var(--border)}
.judge-item:hover{border-color:var(--accent)}
.judge-item .num{font-family:'Jua',sans-serif;font-size:34px;color:var(--accent-soft);-webkit-text-stroke:1.5px var(--accent);width:64px;flex-shrink:0}
.judge-item .line{width:2px;align-self:stretch;background:var(--border);flex-shrink:0}
.judge-item .thumb{width:72px;height:72px;flex-shrink:0;overflow:hidden;border-radius:2px}
.judge-item .thumb img{width:100%;height:100%;object-fit:cover}
.judge-item .txt{flex:1;min-width:0}
.judge-item h3{font-size:18px;margin-bottom:8px}
.judge-item .arrow{font-size:14px;color:var(--text);flex-shrink:0;white-space:nowrap;transition:transform .2s}
.judge-item:hover .arrow{transform:translateX(6px);color:var(--accent)}
.judge-item p{font-size:14.5px;color:var(--muted);max-width:60ch}

/* ---------- 05 guide (editorial) ---------- */
.guide{padding:80px 0;background:var(--surface)}
.guide-item{padding:38px 0;border-top:1px solid var(--border)}
.guide-item:last-child{border-bottom:1px solid var(--border)}
.guide-item .g-num{font-size:12px;letter-spacing:.2em;color:var(--accent);font-family:'JetBrains Mono',monospace}
.guide-item h3{font-size:clamp(19px,2.4vw,24px);margin:10px 0 12px;max-width:32ch}
.guide-item p{color:var(--muted);max-width:64ch;margin-bottom:12px}
.guide-item .more{font-size:14px;font-weight:600;color:var(--text)}
.guide-item .more:hover{color:var(--accent)}

/* ---------- 06 process ---------- */
.process{padding:80px 0}
.process-track{display:flex;align-items:flex-start;justify-content:space-between}
.process-step{flex:1;text-align:center;position:relative}
.process-step .num{font-family:'Jua',sans-serif;font-size:32px;color:var(--accent)}
.process-step p{font-size:13.5px;margin-top:8px;color:var(--muted)}
.process-track .connector{flex:0 0 40px;height:2px;background:var(--border);margin-top:18px}

/* ---------- faq ---------- */
.faq{padding:80px 0;background:var(--surface)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{display:flex;align-items:center;gap:16px;padding:22px 0;cursor:pointer}
.faq-q .num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:13px}
.faq-q h3{font-size:15.5px;flex:1;font-family:'Pretendard',sans-serif;font-weight:600}
.faq-q .plus{font-size:20px;color:var(--muted);transition:transform .2s,color .2s}
.faq-item.open .plus{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 0 22px;color:var(--muted);font-size:14.5px;max-width:70ch}

/* ---------- related grid (NSEO detail pages) ---------- */
.related{padding:72px 0;background:var(--surface)}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.related-card{border:1px solid var(--border);background:#fff;overflow:hidden;transition:border-color .2s}
.related-card:hover{border-color:var(--accent)}
.related-card .thumb{aspect-ratio:4/3;overflow:hidden}
.related-card .thumb img{width:100%;height:100%;object-fit:cover}
.related-card .txt{padding:14px 16px}
.related-card h3{font-size:15px;margin-bottom:4px}
.related-card .arrow{font-size:12.5px;color:var(--muted)}

/* ---------- final cta / footer ---------- */
.final-cta{padding:64px 0;text-align:center;background:var(--text);color:#fff}
.final-cta h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:20px}
.final-cta .btn-call{background:var(--accent)}
.final-cta .btn-call:hover{background:#3E5EE8}

footer.site-footer{padding:40px 0;background:#fff;border-top:1px solid var(--border)}
.footer-biz{font-size:13px;color:var(--muted);line-height:1.9}
.footer-biz b{color:var(--text)}

.call-fab{position:fixed;right:22px;bottom:22px;z-index:60;background:var(--accent);color:#fff;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,71,214,.35)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero .inner{grid-template-columns:1fr}
  .diagnosis-grid{grid-template-columns:repeat(2,1fr)}
  .ba-pair.r-50,.ba-pair.r-45{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .process-track{flex-direction:column;gap:18px}
  .process-track .connector{display:none}
}
@media (max-width:600px){
  .diagnosis-grid{grid-template-columns:1fr}
  .hero-photos .detail-shot{width:44%;right:-12px;bottom:-16px}
  .judge-item{gap:16px}
  .judge-item .num{font-size:26px;width:44px}
  .judge-item .thumb{display:none}
  .judge-item .arrow{font-size:13px}
}