:root {
  color-scheme: light;
  --bg: #f8f7f3;
  --ink: #17201c;
  --muted: #5e6a64;
  --line: #d8d5ca;
  --surface: #ffffff;
  --accent: #0f6b5b;
  --accent-strong: #0a4d42;
  --warm: #c7673f;
  --shadow: 0 18px 50px rgba(34, 43, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(248, 247, 243, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0;
}

.brand img {
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: clamp(34px, 6vw, 88px);
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 104px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  max-width: 660px;
  margin: 28px 0 0;
  color: #304039;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.75;
}

.hero-visual {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 107, 91, 0.08), transparent 45%),
    repeating-linear-gradient(90deg, rgba(23, 32, 28, 0.08) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(0deg, rgba(23, 32, 28, 0.06) 0 1px, transparent 1px 42px),
    #f0eee7;
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  padding: 28px;
}

.signal-panel {
  width: min(100%, 420px);
  display: grid;
  gap: 12px;
}

.signal-panel span {
  display: block;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.82);
  color: #26342e;
  font-size: clamp(20px, 3.3vw, 34px);
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 10px 26px rgba(34, 43, 39, 0.07);
}

.signal-panel span:nth-child(2) {
  border-left-color: var(--warm);
}

.signal-panel span:nth-child(3) {
  border-left-color: #2b6777;
}

.signal-panel span:nth-child(4) {
  border-left-color: #606c38;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 920px;
  margin: 0 auto 28px;
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}

.service-grid {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.service-grid h3 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}

.service-grid p,
.contact-section p,
.policy p {
  margin: 0;
  color: var(--muted);
}

.company-band {
  background: #eef1ec;
}

.company-list {
  max-width: 920px;
  margin: 0 auto;
  border-top: 1px solid #cbd0c7;
}

.company-list div {
  display: grid;
  grid-template-columns: minmax(120px, 220px) 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #cbd0c7;
}

.company-list dt {
  color: var(--muted);
  font-weight: 700;
}

.company-list dd {
  margin: 0;
}

.contact-section {
  max-width: 1064px;
  margin: 0 auto;
}

.contact-section .section-heading {
  margin-left: 0;
}

.contact-section p {
  max-width: 680px;
  margin-bottom: 20px;
}

.mail-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--accent-strong);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--accent-strong);
}

.policy {
  max-width: 800px;
  min-height: calc(100vh - 145px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.policy h1 {
  margin: 0 0 28px;
  font-size: clamp(36px, 6vw, 64px);
}

.policy h2 {
  margin: 34px 0 10px;
  font-size: 22px;
  letter-spacing: 0;
}

.policy .updated {
  margin-top: 34px;
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 44px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-grid article {
    min-height: 0;
  }

  .company-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-footer {
    flex-direction: column;
  }
}