:root{
  --c-bg: #fafbfe;
  --c-grad1: #4f46e5;
  --c-grad2: #0ea5e9;
  --c-accent: #4f46e5;
  --c-text: #1a1d29;
  --c-sub: #5b6272;
  --c-line: #e3e7f0;
  --c-card: #ffffff;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,"Malgun Gothic",sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.75;
  word-break:keep-all;
}
h1,h2,h3{font-family:'Poppins','Noto Sans KR',sans-serif;line-height:1.35;margin:0 0 .5em;}
a{color:inherit;}
.wrap{max-width:920px;margin-inline:auto;padding-inline:20px;}

.sg-header{background:#fff;border-bottom:1px solid var(--c-line);}
.sg-header-in{display:flex;align-items:center;justify-content:space-between;padding-block:16px;}
.sg-logo{font-weight:700;font-size:1.2rem;color:var(--c-accent);text-decoration:none;}
.sg-nav{display:flex;align-items:center;gap:18px;}
.sg-nav a{color:var(--c-sub);text-decoration:none;font-size:.92rem;}
.sg-nav a:hover{color:var(--c-accent);}
.sg-nav-btn{
  background:linear-gradient(135deg,var(--c-grad1),var(--c-grad2));
  color:#fff !important;
  padding:9px 16px;
  border-radius:8px;
  font-weight:600;
}

/* Hero: gradient banner, top-aligned left text, badge row */
.sg-hero{
  background:linear-gradient(120deg,var(--c-grad1) 0%, var(--c-grad2) 100%);
  color:#fff;
  padding:52px 0 64px;
}
.sg-hero-in{max-width:720px;}
.sg-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.badge{
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  font-size:.78rem;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
}
.sg-hero h1{font-size:clamp(26px,4.5vw,38px);font-weight:700;color:#fff;}
.sg-lead{font-size:1rem;color:#eef1ff;max-width:640px;margin:0;}

main{padding-block:48px;}
.blk{margin-bottom:40px;}
.blk h2{font-size:1.4rem;color:var(--c-text);position:relative;padding-left:16px;}
.blk h2::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;width:5px;
  background:linear-gradient(180deg,var(--c-grad1),var(--c-grad2));
  border-radius:3px;
}
.blk p{margin:0;color:var(--c-text);}
.blk-sub{color:var(--c-sub);margin-bottom:16px !important;}

.sg-table{width:100%;border-collapse:collapse;background:var(--c-card);border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(20,20,40,.06);}
.sg-table th,.sg-table td{padding:12px 14px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--c-line);}
.sg-table thead th{background:#eef1ff;color:var(--c-accent);font-weight:700;}
.sg-table tbody tr:last-child td{border-bottom:none;}

.sg-list{margin:0;padding-left:0;list-style:none;display:grid;gap:12px;}
.sg-list li{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:10px;
  padding:14px 16px;
  font-size:.94rem;
}
.sg-list li strong{color:var(--c-accent);}

.sg-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.sg-gallery img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;border-radius:10px;}

.faq-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:10px;
  padding:18px 20px;
  margin-bottom:14px;
}
.faq-item h3{font-size:1rem;margin:0 0 8px;color:var(--c-accent);}
.faq-item p{margin:0;color:var(--c-sub);font-size:.94rem;}

.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.related-card{
  display:flex;align-items:center;justify-content:center;text-align:center;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:10px;
  padding:16px 12px;
  text-decoration:none;
  color:var(--c-accent);
  font-weight:600;
  font-size:.9rem;
}
.related-card:hover{background:linear-gradient(135deg,var(--c-grad1),var(--c-grad2));color:#fff;}

.sg-cta{background:#eef1ff;padding-block:44px;text-align:center;}
.sg-cta-in{max-width:600px;margin-inline:auto;}
.sg-cta h2{color:var(--c-text);}
.sg-cta p{color:var(--c-sub);margin-bottom:22px;}
.sg-cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{display:inline-block;padding:14px 28px;border-radius:999px;font-weight:700;text-decoration:none;font-size:.95rem;}
.btn-primary{background:linear-gradient(135deg,var(--c-grad1),var(--c-grad2));color:#fff;}
.btn-secondary{background:#fff;color:var(--c-accent);border:2px solid var(--c-accent);}

.last-mod{text-align:center;font-size:.78rem;color:var(--c-sub);margin:16px 0 0;}

footer{
  background:#fff;
  border-top:1px solid var(--c-line);
  color:#5b6272;
  font-size:.82rem;
  padding:14px 20px;
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 20px;
}
footer a{color:var(--c-accent);}

@media (max-width:768px){
  .sg-gallery{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .sg-header-in{flex-direction:column;gap:10px;align-items:flex-start;}
  .sg-cta-btns{flex-direction:column;}
  .btn{text-align:center;}
}