:root{
  --h: 342;
  --bg: hsl(var(--h) 30% 99%);
  --ink: hsl(var(--h) 25% 15%);
  --sub: hsl(var(--h) 15% 40%);
  --line: hsl(var(--h) 20% 88%);
  --brand: hsl(var(--h) 70% 42%);
  --brand-dark: hsl(var(--h) 72% 30%);
  --brand-light: hsl(var(--h) 80% 96%);
  --accent: hsl(calc(var(--h) + 20) 65% 55%);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Malgun Gothic",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
}
h1,h2,h3,h4{
  font-family:"Nanum Myeongjo",serif;
  color:var(--ink);
  font-weight:800;
  line-height:1.4;
  margin:0 0 16px;
}
p{margin:0 0 14px;color:var(--ink);}
.wrap{max-width:954px;margin-inline:auto;padding-inline:20px;}
a{color:inherit;text-decoration:none;}

/* Header: H3 utility bar + main nav */
.util-bar{
  background:hsl(var(--h) 30% 18%);
  color:hsl(var(--h) 20% 92%);
  font-size:12.5px;
}
.util-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-block:6px;
}
.util-text{opacity:.9;}
.util-sub{opacity:.7;}
.main-nav{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:10;
}
.nav-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-block:14px;
}
.logo{
  font-family:"Nanum Myeongjo",serif;
  font-weight:800;
  font-size:20px;
  color:var(--brand-dark);
}
.main-nav nav{display:flex;gap:22px;}
.main-nav nav a{
  font-size:15px;
  color:var(--sub);
  padding-bottom:4px;
  border-bottom:2px solid transparent;
  transition:color .2s, border-color .2s;
}
.main-nav nav a:hover{
  color:var(--brand-dark);
  border-color:var(--brand);
}

/* Hero: V6 diagonal split */
.hero{
  position:relative;
  overflow:hidden;
  background:hsl(var(--h) 60% 96%);
  padding-block:64px;
}
.hero-split{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, hsl(var(--h) 55% 92%) 0%, hsl(var(--h) 55% 92%) 42%, var(--brand) 42%, var(--brand-dark) 100%);
  clip-path:polygon(0 0, 100% 0, 100% 100%, 0 65%);
}
.hero-inner{
  position:relative;
  z-index:1;
  padding-block:20px;
  max-width:620px;
}
.hero h1{
  font-size:38px;
  color:hsl(var(--h) 40% 16%);
  margin-bottom:20px;
}
.hero .lead{
  color:hsl(var(--h) 30% 22%);
  font-size:16px;
  max-width:520px;
}

/* Main content */
main{padding-block:56px;}
.block{margin-bottom:48px;}
.block h2{
  font-size:24px;
  border-left:5px solid var(--brand);
  padding-left:14px;
}
.block p{
  font-size:15.5px;
  color:var(--ink);
}

table{
  width:100%;
  border-collapse:collapse;
  margin:20px 0 22px;
  font-size:14.5px;
  background:#fff;
}
caption{
  text-align:left;
  font-weight:700;
  color:var(--brand-dark);
  margin-bottom:8px;
  font-size:14px;
}
th,td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
  vertical-align:top;
}
thead th{
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:700;
}
tbody tr:nth-child(even){background:hsl(var(--h) 30% 98%);}

/* Images */
.ph{margin:0 0 8px;padding-block:8px;}
.ph-row{display:flex;flex-wrap:nowrap;justify-content:center;align-items:flex-start;gap:16px;max-width:900px;margin-inline:auto;}
.ph-row img{flex:1 1 0;min-width:0;width:100%;height:auto;display:block;border-radius:6px;}
@media (max-width:600px){.ph-row{gap:10px;}}

/* CTA: C1 full-width band */
.cta{
  background:linear-gradient(90deg, var(--brand-dark), var(--brand));
  padding-block:40px;
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.cta-text{
  color:#fff;
  font-size:18px;
  margin:0;
  font-weight:600;
}
.cta-btn{
  display:inline-block;
  background:#fff;
  color:var(--brand-dark);
  padding:12px 26px;
  border-radius:4px;
  font-weight:700;
  font-size:15px;
  transition:background .2s, transform .2s;
}
.cta-btn:hover{
  background:hsl(var(--h) 30% 94%);
  transform:translateY(-1px);
}

/* Footer: F3 horizontal row */
footer{
  background:hsl(var(--h) 35% 14%);
  color:hsl(var(--h) 20% 88%);
  padding-block:14px;
  font-family:"Nanum Myeongjo",serif;
}
footer .wrap{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:6px 24px;
}
footer p{
  margin:0;
  font-size:13.5px;
  color:hsl(var(--h) 20% 82%);
  font-family:"Nanum Myeongjo",serif;
}

/* Responsive */
@media (max-width:1024px){
  .wrap{max-width:100%;}
  .hero h1{font-size:33px;}
}
@media (max-width:768px){
  .util-inner{flex-direction:column;align-items:flex-start;gap:2px;}
  .nav-inner{flex-direction:column;align-items:flex-start;gap:10px;}
  .main-nav nav{gap:16px;}
  .hero{padding-block:44px;}
  .hero-inner{max-width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .hero h1{font-size:27px;}
  .block h2{font-size:20px;}
  table{font-size:13px;}
  th,td{padding:8px;}
  .cta-text{font-size:16px;}
}