:root {
  --blue: #1a73e8;
  --blue-dark: #0d5bba;
  --text: #1c1c1c;
  --muted: #5f6368;
  --bg: #ffffff;
  --card-bg: #f6f8fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  padding-bottom: 72px; /* space for fixed call button */
}

h1, h2, h3 { line-height: 1.4; }

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; }
.header-call {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 40px 20px 28px;
  background: linear-gradient(180deg, #f0f6ff 0%, #ffffff 100%);
}
.hero-watermark {
  position: absolute;
  z-index: 0;
  top: 50%;
  right: -30px;
  width: 220px;
  height: auto;
  transform: translateY(-50%);
  opacity: 0.1;
  -webkit-mask-image: linear-gradient(135deg, #000 40%, transparent 90%);
  mask-image: linear-gradient(135deg, #000 40%, transparent 90%);
  pointer-events: none;
}
.hero h1,
.hero .hero-sub,
.hero .cta-btn,
.hero .cta-secondary {
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: 26px;
  margin: 0 0 12px;
}
.hero-sub {
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 20px;
}

.cta-btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  padding: 16px 28px;
  border-radius: 8px;
  text-decoration: none;
}
.cta-btn:active { background: var(--blue-dark); }

.cta-secondary {
  display: inline-block;
  background: #fff;
  color: var(--blue);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border: 1px solid var(--blue);
  border-radius: 8px;
  text-decoration: none;
  margin-top: 10px;
}
.cta-secondary:active { background: #eaf2ff; }

/* Trust strip */
.trust-strip {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px;
  background: #fff;
}
.trust-item {
  background: var(--card-bg);
  border-radius: 6px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
}

/* Symptom sections */
.symptoms {
  padding: 30px 20px;
}
.symptoms h2 {
  font-size: 20px;
  margin: 32px 0 8px;
}
.symptoms h2:first-child { margin-top: 0; }
.symptoms p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 12px;
}
.symptoms img,
.process-images img {
  width: 100%;
  border-radius: 10px;
  display: block;
}

.case-figure {
  margin: 0 0 4px;
}
.case-figure figcaption {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.symptom-detail {
  margin: 0 0 20px;
}
.symptom-detail .detail-intro,
.symptom-detail .detail-outro {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 10px;
}
.symptom-detail .detail-outro {
  margin: 12px 0 4px;
}
.symptom-detail .block-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  color: var(--blue);
  background: #eaf2ff;
  padding: 3px 10px;
  border-radius: 999px;
  margin: 14px 0 8px;
}
.symptom-detail .detail-list {
  margin: 0 0 4px;
  padding-left: 20px;
}
.symptom-detail .detail-list li {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 5px;
}

/* Topic highlight (region-specific featured issue) */
.topic-highlight {
  padding: 30px 20px;
  background: #fff;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}
.topic-highlight h2 {
  font-size: 19px;
  margin: 0 0 10px;
}
.topic-highlight > p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 16px;
}
.topic-highlight .faq-item {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0;
}

/* Service area (출장 가능 지역) */
.service-area {
  padding: 30px 20px;
  background: #fff;
}
.service-area h2 {
  font-size: 19px;
  margin: 0 0 16px;
}
.service-area h3 {
  font-size: 14px;
  color: var(--muted);
  font-weight: 700;
  margin: 16px 0 8px;
}
.service-area h3:first-of-type { margin-top: 0; }
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.chip-list li {
  background: var(--card-bg);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text);
}

/* Scope / process / cost / faq shared section style */
.scope, .process, .cost, .faq {
  padding: 30px 20px;
  background: var(--card-bg);
}
.scope + .process { background: #fff; }
.process + .cost { background: var(--card-bg); }
.cost + .faq { background: #fff; }

.scope h2, .process h2, .cost h2, .faq h2 {
  font-size: 20px;
  margin: 0 0 16px;
}

.scope-list, .process-list, .cost-list {
  padding-left: 20px;
  margin: 0 0 16px;
}
.scope-list li, .cost-list li { margin-bottom: 8px; font-size: 15px; }
.process-list li { margin-bottom: 10px; font-size: 15px; }

.process-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.cost-note {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.faq-item {
  margin-bottom: 18px;
}
.faq-item h3 {
  font-size: 16px;
  margin: 0 0 6px;
}
.faq-item p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

/* Bottom CTA */
.bottom-cta {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f0f6ff 100%);
}
.bottom-cta h2 {
  font-size: 20px;
  margin: 0 0 18px;
}

.site-footer {
  text-align: center;
  padding: 20px;
  color: var(--muted);
  font-size: 13px;
}

/* Fixed mobile call button */
.fixed-call-btn {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: block;
  text-align: center;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 16px;
  text-decoration: none;
  z-index: 20;
}

@media (min-width: 700px) {
  .hero h1 { font-size: 32px; }
  .symptoms, .scope, .process, .cost, .faq, .bottom-cta, .topic-highlight, .service-area {
    max-width: 720px;
    margin: 0 auto;
  }
  .process-images { grid-template-columns: 1fr 1fr; }
}