:root {
  --c-paper: #F7F7F5;
  --c-ink-800: #2F3E46;
  --c-sage-500: #6B8F71;
  --c-sand-300: #C9CBA3;
  --c-ink-900: #1A2226;
  --font-display: 'Nanum Myeongjo', 'Pretendard Variable', serif;
  --font-body: 'Pretendard Variable', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
}

body {
  font-family: var(--font-body);
  background: var(--c-paper);
  color: var(--c-ink-900);
  line-height: 1.85;
}
h1, h2, h3, .logo { font-family: var(--font-display); }

header { background: var(--c-paper); border-bottom: 1px solid var(--c-sand-300); }
header .logo { font-weight: 700; font-size: 1.2rem; color: var(--c-ink-800); }
header nav a { color: var(--c-ink-800); font-size: 0.88rem; }
header nav a:hover, header nav a:focus-visible { color: var(--c-sage-500); }

.hero { background: var(--c-paper); }
.hero .container { max-width: 700px; padding-block: 3.5rem 1.5rem; }
.hero h1 { font-size: clamp(2rem, 4.4vw, 2.7rem); font-weight: 700; color: var(--c-ink-900); }
.hero .lead { margin-top: 1.1rem; color: #445058; max-width: 34rem; font-size: 1.05rem; }
.hero .btn-tel {
  margin-top: 1.6rem;
  display: inline-block;
  color: var(--c-ink-900);
  border-bottom: 2px solid var(--c-sage-500);
  padding: 0.3em 0.1em;
  font-weight: 700;
}
.hero .btn-tel:hover { color: var(--c-sage-500); }

/* single column longform, generous whitespace */
main .container { max-width: 700px; }
main section { padding-block: 2.6rem; border-top: 1px solid var(--c-sand-300); }
main section:first-child { border-top: none; }
main section > h2 { font-size: 1.5rem; color: var(--c-ink-900); margin-bottom: 1.2rem; }
main p { color: #384850; }
main p + p { margin-top: 1rem; }

.cause-list { display: grid; gap: 1.4rem; }
.cause-list .cause {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 1rem;
}
.cause-num {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--c-sage-500);
}
.cause-body h3 { font-size: 1.08rem; color: var(--c-ink-900); margin-bottom: 0.35rem; }
.cause-body p { color: #384850; font-size: 0.95rem; }

.diag-list { display: grid; gap: 0.9rem; }
.diag-list li {
  border-left: 2px solid var(--c-sand-300);
  padding-left: 1rem;
  color: #384850;
  font-size: 0.95rem;
}

.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
blockquote.review {
  background: #ffffff;
  border: 1px solid var(--c-sand-300);
  padding: 1.1rem 1.2rem;
  font-size: 0.9rem;
  color: #384850;
}
blockquote.review cite { display: block; margin-top: 0.6rem; font-style: normal; font-size: 0.8rem; color: var(--c-sage-500); }

.related-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.related-links a {
  color: var(--c-ink-900);
  border-bottom: 1px solid var(--c-sand-300);
  padding: 0.3em 0.1em;
  font-size: 0.92rem;
}
.related-links a:hover { border-color: var(--c-sage-500); color: var(--c-sage-500); }

.cta { background: var(--c-ink-800); color: var(--c-paper); }
.cta h3 { color: #fff; margin-bottom: 0.6rem; font-family: var(--font-display); font-size: 1.35rem; }
.cta p { color: #cfd9d3; margin-bottom: 1.1rem; }
.cta a[href^="tel:"] { background: var(--c-sage-500); color: #fff; border-radius: 2px; font-weight: 700; }
.cta a[href^="tel:"]:hover { background: #587a5e; }

footer { background: var(--c-ink-900); color: #b7c2c6; font-size: 0.85rem; }
footer a { color: #b7c2c6; }
footer nav a { margin-right: 0.2rem; }

figcaption { color: #384850; margin-top: 0.5rem; }

@media (max-width: 720px) {
  .review-grid { grid-template-columns: 1fr; }
}