:root {
  --bg: #FAF9F6;
  --fg: #1A2B2A;
  --accent: #2A5C4A;
  --accent-light: #3D7A62;
  --sand: #D4A96A;
  --muted: #8A9E97;
  --surface: #F0EEE8;
  --border: #DDD9CF;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 48px;
}
.site-header .header-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.tagline {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 140px 48px 80px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-kicker {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 440px;
}
.hero-visual {
  display: flex;
  align-items: center;
  gap: 20px;
}
.hero-card {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.card-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 12px 16px 8px;
  font-weight: 500;
}
.card-visual {
  height: 220px;
  position: relative;
}
.before-visual {
  background: linear-gradient(135deg, #C8BEB4 0%, #B0A49A 100%);
}
.before-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 20px 20px;
}
.after-visual {
  background: linear-gradient(135deg, var(--accent) 0%, #3D7A62 100%);
}
.after-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}
.hero-arrow {
  color: var(--accent);
  flex-shrink: 0;
}

/* TRANSITION SECTION */
.transition-section {
  background: var(--accent);
  color: #fff;
  padding: 100px 48px;
}
.transition-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 48px;
  align-items: start;
}
.transition-number {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 1;
  opacity: 0.15;
  margin-top: -8px;
}
.transition-content h2 {
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.transition-content p {
  font-size: 17px;
  line-height: 1.75;
  opacity: 0.85;
  max-width: 600px;
  margin-bottom: 16px;
}
.transition-content p:last-child { margin-bottom: 0; }

/* SERVICES SECTION */
.services-section {
  padding: 100px 48px;
}
.services-inner { max-width: 1100px; margin: 0 auto; }
.section-title {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
  font-weight: 400;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.service-card {
  background: var(--bg);
  padding: 48px 44px;
}
.service-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--fg);
}
.service-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.65;
}

/* DIFFERENCE SECTION */
.difference-section {
  padding: 100px 48px;
  background: var(--surface);
}
.difference-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.diff-left h2 {
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.diff-lead {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
}
.diff-item {
  display: flex;
  gap: 20px;
  margin-bottom: 36px;
  align-items: flex-start;
}
.diff-item:last-child { margin-bottom: 0; }
.diff-num {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--sand);
  line-height: 1.1;
  flex-shrink: 0;
  width: 36px;
}
.diff-item h4 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--fg);
}
.diff-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* CLOSING SECTION */
.closing-section {
  padding: 120px 48px;
  text-align: center;
}
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing-section h2 {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.closing-section p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.closing-btn {
  display: inline-block;
  margin-top: 24px;
  padding: 13px 28px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s;
}
.closing-btn:hover { background: var(--accent-light); }

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--accent);
}
.footer-info p {
  font-size: 14px;
  color: var(--muted);
}
.footer-note {
  font-size: 12px;
  color: var(--muted);
  opacity: 0.6;
  margin-top: 8px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .site-header { padding: 0 24px; }
  .hero { padding: 100px 24px 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 44px; }
  .hero-visual { justify-content: center; }
  .hero-card .card-visual { height: 160px; }
  .transition-inner { grid-template-columns: 1fr; gap: 24px; }
  .transition-number { font-size: 48px; }
  .transition-section, .services-section, .difference-section, .closing-section { padding: 64px 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .difference-inner { grid-template-columns: 1fr; gap: 48px; }
  .closing-section h2 { font-size: 36px; }
}