:root {
  --c-ink: #1C1C1E;
  --c-cream: #EFEAE3;
  --c-red: #A63D40;
  --c-slate: #6C8B8B;
  --c-white: #FFFFFF;
  --font-display: 'Hahmlet', 'Pretendard Variable', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
  --font-body: 'Pretendard Variable', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
}

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

header {
  background: var(--c-white);
  border-bottom: 6px solid var(--c-ink);
}
header .logo { font-weight: 700; font-size: 1.25rem; letter-spacing: 0.02em; }
header nav a { color: var(--c-ink); font-size: 0.9rem; }
header nav a:hover, header nav a:focus-visible { color: var(--c-red); }

/* hero: magazine title block, rule line beneath, no button pair */
.hero {
  background: var(--c-cream);
  border-bottom: 3px solid var(--c-ink);
}
.hero .container { max-width: 780px; }
.hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.6rem);
  font-weight: 500;
}
.hero .lead {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 2px solid var(--c-ink);
  color: #3a3a3c;
  max-width: 36rem;
}
.hero .btn-tel {
  margin-top: 1.4rem;
  display: inline-block;
  color: var(--c-ink);
  border: 2px solid var(--c-ink);
  padding: 0.75em 1.6em;
  font-weight: 700;
}
.hero .btn-tel:hover { background: var(--c-ink); color: var(--c-white); }

/* magazine two-column with heavy rules */
.mag-columns {
  columns: 2;
  column-gap: 2.6rem;
  column-rule: 2px solid var(--c-ink);
}
main section {
  border-top: 6px solid var(--c-ink);
  padding-block: 1.8rem;
}
main section:first-child { border-top: none; padding-top: 0; }
main section > h2 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
}
main p { color: #3a3a3c; }
main p + p { margin-top: 0.8rem; }

/* checklist vs warning-signal two-column contrast table */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--c-ink);
}
.compare-col { padding: 1.2rem 1.3rem; }
.compare-col:first-child { border-right: 2px solid var(--c-ink); background: var(--c-cream); }
.compare-col:last-child { background: #fbf1f1; }
.compare-col h3 {
  font-size: 1.05rem;
  margin-bottom: 0.8rem;
  color: var(--c-slate);
}
.compare-col:last-child h3 { color: var(--c-red); }
.compare-col ul { display: grid; gap: 0.6rem; }
.compare-col li { padding-left: 1rem; position: relative; color: #3a3a3c; font-size: 0.92rem; }
.compare-col li::before { content: "—"; position: absolute; left: 0; }

.process-line { counter-reset: step; }
.process-line li {
  counter-increment: step;
  border-bottom: 1px solid #d8d3ca;
  padding: 0.8rem 0;
  padding-left: 2rem;
  position: relative;
}
.process-line li::before {
  content: counter(step) "";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--c-red);
}

.review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
blockquote.review {
  background: var(--c-cream);
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: #3a3a3c;
}
blockquote.review cite { display: block; margin-top: 0.5rem; font-style: normal; font-size: 0.8rem; color: var(--c-slate); }

.related-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.related-links a {
  border: 1px solid var(--c-ink);
  color: var(--c-ink);
  padding: 0.5em 1.1em;
  font-size: 0.88rem;
}
.related-links a:hover { background: var(--c-ink); color: #fff; }

.cta { background: var(--c-ink); color: var(--c-white); }
.cta h3 { color: #fff; margin-bottom: 0.6rem; font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; }
.cta p { color: #cfcfd2; margin-bottom: 1.1rem; }
.cta a[href^="tel:"] { background: var(--c-red); color: #fff; font-weight: 700; }
.cta a[href^="tel:"]:hover { background: #8a3033; }

footer { background: var(--c-cream); color: #3a3a3c; font-size: 0.85rem; border-top: 3px solid var(--c-ink); }
footer a { color: #3a3a3c; }
footer nav a { margin-right: 0.2rem; }

figcaption { color: #3a3a3c; margin-top: 0.5rem; }

@media (max-width: 780px) {
  .mag-columns { columns: 1; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-col:first-child { border-right: none; border-bottom: 2px solid var(--c-ink); }
  .review-grid { grid-template-columns: 1fr; }
}