:root {
  --c-paper: #FDFBF6;
  --c-brown-900: #4A4238;
  --c-terracotta: #C2703D;
  --c-olive: #8A9A5B;
  --c-sand-200: #E5DED2;
  --font-display: 'Song Myung', 'Noto Sans KR', serif;
  --font-body: 'Noto Sans KR', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
}

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

header { background: var(--c-paper); border-bottom: 1px solid var(--c-sand-200); }
header .logo { font-weight: 400; font-size: 1.3rem; color: var(--c-terracotta); }
header nav a { color: var(--c-brown-900); font-size: 0.88rem; }
header nav a:hover, header nav a:focus-visible { color: var(--c-terracotta); }

.hero { background: var(--c-sand-200); }
.hero .container { max-width: 720px; }
.hero h1 { font-size: clamp(1.9rem, 4.2vw, 2.5rem); font-weight: 400; }
.hero .lead { margin-top: 0.9rem; color: #5c5348; max-width: 34rem; }
.hero .btn-tel {
  margin-top: 1.4rem;
  display: inline-block;
  background: var(--c-terracotta);
  color: #fff;
  padding: 0.8em 1.7em;
  border-radius: 20px 4px 20px 4px;
  font-weight: 700;
  font-family: var(--font-body);
}
.hero .btn-tel:hover { background: #a75c30; }

/* left tool index + step content */
.diy-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.2rem;
  align-items: start;
}
.tool-index {
  position: sticky;
  top: 1.5rem;
  display: grid;
  gap: 0.6rem;
}
.tool-index .tool-chip {
  background: #fff;
  border: 1px solid var(--c-sand-200);
  border-radius: 4px;
  padding: 0.6rem 0.8rem;
  font-size: 0.86rem;
  color: var(--c-brown-900);
}
.diy-main section { padding-block: 1.8rem; border-top: 1px solid var(--c-sand-200); }
.diy-main section:first-child { border-top: none; padding-top: 0; }
.diy-main h2 { font-size: 1.4rem; margin-bottom: 1rem; }
.diy-main p { color: #5c5348; }
.diy-main p + p { margin-top: 0.8rem; }

.step-order { counter-reset: s; display: grid; gap: 0.9rem; }
.step-order li {
  counter-increment: s;
  background: #fff;
  border-radius: 4px;
  padding: 0.9rem 1rem 0.9rem 2.8rem;
  position: relative;
  color: #5c5348;
  font-size: 0.94rem;
}
.step-order li::before {
  content: counter(s);
  position: absolute;
  left: 0.8rem;
  top: 0.75rem;
  color: var(--c-terracotta);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

/* stop-line signature */
.stop-line {
  border-left: 3px dashed var(--c-olive);
  padding-left: 1.1rem;
  display: grid;
  gap: 0.8rem;
}
.stop-line .stop-item { color: #5c5348; font-size: 0.94rem; }
.stop-line .stop-item strong { color: var(--c-terracotta); display: block; margin-bottom: 0.2rem; font-family: var(--font-display); font-weight: 400; }

.review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
blockquote.review {
  background: #fff;
  border-radius: 4px;
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: #5c5348;
}
blockquote.review cite { display: block; margin-top: 0.5rem; font-style: normal; font-size: 0.8rem; color: var(--c-olive); }

.related-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.related-links a {
  background: #fff;
  border: 1px solid var(--c-sand-200);
  color: var(--c-brown-900);
  border-radius: 20px 4px 20px 4px;
  padding: 0.5em 1.1em;
  font-size: 0.88rem;
}
.related-links a:hover { border-color: var(--c-terracotta); color: var(--c-terracotta); }

.cta { background: var(--c-brown-900); color: var(--c-paper); }
.cta h3 { color: #fff; margin-bottom: 0.6rem; font-family: var(--font-display); font-weight: 400; font-size: 1.35rem; }
.cta p { color: #d9d0c2; margin-bottom: 1.1rem; }
.cta a[href^="tel:"] { background: var(--c-terracotta); color: #fff; border-radius: 20px 4px 20px 4px; font-weight: 700; }
.cta a[href^="tel:"]:hover { background: #a75c30; }

footer { background: var(--c-sand-200); color: #5c5348; font-size: 0.85rem; }
footer a { color: #5c5348; }
footer nav a { margin-right: 0.2rem; }

figcaption { color: #5c5348; margin-top: 0.5rem; }

@media (max-width: 780px) {
  .diy-layout { grid-template-columns: 1fr; }
  .tool-index { position: static; display: flex; flex-wrap: wrap; }
  .review-grid { grid-template-columns: 1fr; }
}