:root {
  color-scheme: light;
  --ink: #18202a;
  --muted: #586372;
  --line: #d9e1ea;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --accent: #0f7a6d;
  --accent-dark: #095a51;
  --warm: #d87a36;
  --soft: #e8f3f1;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.18em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid rgba(217, 225, 234, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: flex-end;
  font-size: 14px;
  font-weight: 700;
}

nav a {
  color: var(--ink);
  text-decoration: none;
}

.hero,
.section,
.site-footer {
  width: min(1120px, calc(100% - 36px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 28px;
  align-items: stretch;
  padding: clamp(42px, 8vw, 92px) 0 42px;
}

.hero-copy {
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 122, 109, 0.12), transparent 44%),
    linear-gradient(315deg, rgba(216, 122, 54, 0.12), transparent 38%),
    var(--panel);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.16;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.25;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.45;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.secondary {
  background: #fff;
  color: var(--accent-dark);
}

.hero-panel,
.contact-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(24, 32, 42, 0.08);
}

.hero-panel {
  display: flex;
  align-items: flex-end;
  padding: 28px;
}

dl {
  margin: 0;
}

.hero-panel dl,
.info-list {
  display: grid;
  gap: 18px;
}

dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

dd {
  margin: 0;
  font-weight: 700;
}

.section {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(24px, 5vw, 64px);
}

.info-list {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.info-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.info-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.service-grid,
.site-list {
  display: grid;
  gap: 16px;
}

.service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-grid article,
.site-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.service-grid article {
  padding: 24px;
}

.service-grid p,
.site-list p,
.section-head p {
  color: var(--muted);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.section-head p {
  max-width: 360px;
  margin-bottom: 0;
  font-size: 14px;
}

.site-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-list article {
  display: grid;
  gap: 6px;
  padding: 24px;
}

.site-list article a {
  overflow-wrap: anywhere;
  font-weight: 800;
}

.jobs-hero {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.45fr);
}

.job-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.job-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.job-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.job-card-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
}

.job-card h2 {
  margin-bottom: 0;
  font-size: 20px;
  line-height: 1.45;
}

.job-card dl {
  display: grid;
  gap: 8px;
}

.job-card dl div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  font-size: 13px;
}

.job-card p {
  color: var(--muted);
  font-size: 14px;
}

.job-card a {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.contact-box {
  padding: 28px;
}

.contact-box p:last-child,
.policy p:last-child {
  margin-bottom: 0;
}

.policy {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.policy h3 {
  margin-top: 24px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 860px) {
  .site-header,
  .hero,
  .grid-2,
  .section-head,
  .site-footer {
    display: block;
  }

  nav {
    justify-content: flex-start;
    margin-top: 14px;
  }

  .hero-panel,
  .info-list,
  .contact-box {
    margin-top: 18px;
  }

  .service-grid,
  .site-list,
  .job-grid {
    grid-template-columns: 1fr;
  }

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

  .section-head p {
    max-width: none;
  }

  .site-footer p + p {
    margin-top: 8px;
  }
}

@media (max-width: 480px) {
  .hero,
  .section,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  .hero-copy,
  .hero-panel,
  .info-list,
  .service-grid article,
  .site-list article,
  .job-card,
  .contact-box,
  .policy {
    padding: 20px;
  }

  .hero-actions {
    display: grid;
  }
}