:root {
  --bg: #f4f6f5;
  --surface: #ffffff;
  --text: #1a2b28;
  --muted: #5a6b66;
  --accent: #2d6a5a;
  --accent-soft: #e8f2ef;
  --line: #d8e2de;
  --radius: 0.75rem;
}

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

body {
  font-family: "Noto Sans JP", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.wrap {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.hero {
  padding: 3rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 800px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  line-height: 1.25;
  max-width: 18ch;
}

.lead {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 52ch;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin: 2rem 0;
}

.stat,
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.stat strong {
  display: block;
  font-size: 1.35rem;
  color: var(--accent);
}

.stat span {
  font-size: 0.82rem;
  color: var(--muted);
}

section {
  padding: 2rem 0;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  margin-bottom: 0.85rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card h3 {
  font-size: 1.02rem;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.card p {
  font-size: 0.92rem;
  color: var(--muted);
}

.card ul {
  margin-top: 0.5rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.card li {
  margin-bottom: 0.25rem;
}

.note {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1.5rem;
}

.site-footer {
  margin-top: 2.5rem;
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}

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

.site-footer p {
  margin-bottom: 0.45rem;
}

.page-main {
  padding: 2.5rem 0 1rem;
}

.page-main h1 {
  max-width: none;
  margin-bottom: 0.75rem;
}

.prose {
  max-width: 720px;
}

.prose p,
.prose li {
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 0.85rem;
}

.prose ul {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}

.prose h2 {
  margin-top: 1.75rem;
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  margin-top: 1.25rem;
}

.contact-box a {
  color: var(--accent);
  font-weight: 600;
}