@font-face {
  font-family: 'GMarketSans';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansMedium.woff') format('woff');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'GMarketSans';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansBold.woff') format('woff');
  font-weight: 700;
  font-display: swap;
}

:root {
  --c-white: #FFFFFF;
  --c-green-900: #16302B;
  --c-green-500: #4E937A;
  --c-rose-500: #B4656F;
  --c-grey-200: #E8E8E8;
  --font-display: 'GMarketSans', 'IBM Plex Sans KR', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
  --font-body: 'IBM Plex Sans KR', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
}

body {
  font-family: var(--font-body);
  background: var(--c-white);
  color: var(--c-green-900);
}
h1, h2, h3, .logo, .price-figure { font-family: var(--font-display); }

header {
  background: var(--c-white);
  border-bottom: 3px solid var(--c-green-900);
}
header .logo { font-weight: 700; font-size: 1.2rem; color: var(--c-green-900); }
header nav a { color: var(--c-green-900); font-size: 0.9rem; opacity: 0.75; }
header nav a:hover, header nav a:focus-visible { opacity: 1; text-decoration: underline; }

/* hero: full-width band, no button pair, price teaser instead */
.hero {
  background: var(--c-green-900);
  color: var(--c-white);
}
.hero .container { max-width: 760px; }
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); font-weight: 700; }
.hero .lead { margin-top: 0.8rem; color: #cfe3db; max-width: 34rem; }
.hero .btn-tel {
  margin-top: 1.4rem;
  display: inline-block;
  background: var(--c-rose-500);
  color: var(--c-white);
  padding: 0.8em 1.6em;
  border-radius: 2px;
  font-weight: 700;
}
.hero .btn-tel:hover { background: #9b525c; }

/* two column: sticky summary + scroll content */
.cost-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.cost-summary {
  position: sticky;
  top: 1.5rem;
  background: var(--c-grey-200);
  border-radius: 4px;
  padding: 1.3rem;
}
.cost-summary h2 {
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
  border: none;
  padding: 0;
}
.cost-summary table { font-size: 0.85rem; }
.cost-summary th, .cost-summary td {
  text-align: left;
  padding: 0.5rem 0.3rem;
  border-bottom: 1px solid #d3d3d3;
}
.cost-summary caption {
  text-align: left;
  font-size: 0.78rem;
  color: var(--c-green-900);
  margin-top: 0.7rem;
  caption-side: bottom;
}
.cost-main h2 {
  font-size: 1.4rem;
  border: none;
  padding: 0;
  border-bottom: 2px solid var(--c-green-500);
  padding-bottom: 0.5rem;
  margin-bottom: 1.1rem;
}
.cost-main section { padding-block: 1.8rem; }
.cost-main p + p { margin-top: 0.8rem; }
.cost-main p { color: #23423b; }

.factor-list { display: grid; gap: 0.9rem; }
.factor-list .factor {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.8rem;
  border-left: 3px solid var(--c-green-500);
  padding-left: 0.9rem;
}
.factor-list dt { font-weight: 700; color: var(--c-green-900); }
.factor-list dd { color: #23423b; }

.process-line { counter-reset: step; }
.process-line li {
  counter-increment: step;
  position: relative;
  padding-left: 2.4rem;
  margin-bottom: 1.1rem;
}
.process-line li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.7rem;
  height: 1.7rem;
  background: var(--c-green-900);
  color: #fff;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
blockquote.review {
  background: var(--c-grey-200);
  border-left: 3px solid var(--c-rose-500);
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: #23423b;
}
blockquote.review cite { display: block; margin-top: 0.5rem; font-style: normal; font-size: 0.8rem; color: var(--c-green-500); }

.related-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.related-links a {
  background: var(--c-grey-200);
  color: var(--c-green-900);
  border-radius: 2px;
  padding: 0.5em 1.1em;
  font-size: 0.88rem;
}
.related-links a:hover { background: var(--c-green-500); color: #fff; }

.cta { background: var(--c-green-500); color: var(--c-white); }
.cta h3 { color: #fff; margin-bottom: 0.6rem; font-family: var(--font-display); font-size: 1.3rem; }
.cta p { margin-bottom: 1.1rem; }
.cta a[href^="tel:"] { background: var(--c-green-900); color: #fff; border-radius: 2px; font-weight: 700; }
.cta a[href^="tel:"]:hover { background: #0f231f; }

footer { background: var(--c-green-900); color: #cfe3db; font-size: 0.85rem; }
footer a { color: #cfe3db; }
footer nav a { margin-right: 0.2rem; }

figcaption { color: #23423b; margin-top: 0.5rem; }

@media (max-width: 820px) {
  .cost-layout { grid-template-columns: 1fr; }
  .cost-summary { position: static; }
  .review-grid { grid-template-columns: 1fr; }
}