:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #63717a;
  --line: #d8e2df;
  --paper: #f6f8f5;
  --surface: #ffffff;
  --accent: #155f52;
  --accent-dark: #0f443b;
  --accent-soft: #e7f2ef;
  --gold: #b88728;
  --shadow: 0 18px 46px rgba(23, 33, 38, .1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, sans-serif;
  line-height: 1.7;
  background: var(--paper);
}

a {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 5vw, 64px);
  border-bottom: 1px solid rgba(216, 226, 223, .82);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 20px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 700;
}

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

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

.hero {
  display: grid;
  align-items: end;
  min-height: min(620px, 86vh);
  padding: clamp(64px, 12vw, 124px) clamp(18px, 5vw, 64px) clamp(42px, 7vw, 76px);
  background:
    linear-gradient(180deg, rgba(21, 95, 82, .1), transparent 42%),
    linear-gradient(135deg, #ffffff 0%, #eef5f1 55%, #f8f1e5 100%);
}

.hero-inner,
.section {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 104px);
  line-height: 1;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: #39474e;
  font-size: clamp(18px, 2.2vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-link,
.secondary-link,
.service-link,
.status-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  text-decoration: none;
}

.primary-link,
.service-link {
  color: #fff;
  background: var(--accent);
}

.secondary-link,
.status-label {
  color: var(--accent);
  border: 1px solid var(--line);
  background: #fff;
}

.section {
  padding: clamp(42px, 7vw, 72px) clamp(18px, 4vw, 28px);
}

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

.section-head {
  margin-bottom: 24px;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
}

.info-list {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.info-list div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 22px;
}

.info-list div + div {
  border-top: 1px solid var(--line);
}

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

dd {
  margin: 0;
}

.contact-mail {
  margin: 18px 0;
  font-size: 24px;
  font-weight: 800;
}

.note,
.service-note,
.external-policy {
  color: var(--muted);
  font-size: 14px;
}

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

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

.policy-grid article,
.service-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--surface);
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.policy-grid p,
.service-item p {
  margin: 0;
}

.service-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.service-item--large {
  align-items: flex-start;
}

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

.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--surface);
}

.page-hero {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(58px, 10vw, 108px) 0 clamp(34px, 6vw, 64px);
}

.page-hero .primary-link {
  margin-top: 22px;
}

.prose {
  max-width: 920px;
}

.prose h2 {
  margin-top: 42px;
  font-size: clamp(24px, 3vw, 34px);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: #34434a;
}

.prose ul,
.prose ol {
  padding-left: 1.35em;
}

.prose li + li {
  margin-top: 8px;
}

.service-item div {
  min-width: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 64px);
  color: #d9e6e1;
  background: var(--accent-dark);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer,
  .service-item {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  nav a {
    flex: 0 0 auto;
  }

  .hero {
    min-height: 560px;
  }

  .info-list div,
  .policy-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .info-list div {
    gap: 4px;
  }

  .contact-mail {
    font-size: 20px;
  }
}