:root {
  color-scheme: light;
  --bg: #f4f6f2;
  --surface: #ffffff;
  --ink: #121816;
  --muted: #5e6a65;
  --line: #d8dfd7;
  --green: #0b705c;
  --blue: #245bff;
  --amber: #a66f15;
  --rose: #af4d64;
  --deep: #0e1715;
  --shadow: 0 18px 42px rgba(18, 24, 22, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 223, 215, 0.88);
  background: rgba(244, 246, 242, 0.92);
  backdrop-filter: blur(14px);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 66px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 760;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--deep);
  color: #f6faf8;
  font-size: 0.9rem;
  font-weight: 820;
}

.hero {
  padding: 104px 0 90px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.hero-copy {
  max-width: 740px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  font-weight: 850;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.55rem);
  font-weight: 780;
}

h3 {
  font-size: 1.05rem;
  font-weight: 760;
}

.lead {
  max-width: 600px;
  margin: 22px 0 0;
  color: #34413c;
  font-size: 1.22rem;
  font-weight: 520;
}

section {
  padding: 78px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.company-section {
  border-bottom: 1px solid var(--line);
}

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

.info-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  min-height: 58px;
}

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

.info-row span {
  padding: 15px 18px;
}

.info-label {
  background: #edf2ed;
  color: var(--muted);
  font-weight: 760;
}

footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.86rem;
  padding: 22px 0;
}

footer a {
  color: var(--muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
}

.page-header {
  padding: 58px 0 34px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.notice-list {
  min-height: 38vh;
  background: var(--surface);
}

.koukoku-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--muted);
  padding: 40px;
  text-align: center;
}

.koukoku-box p {
  margin: 0;
}

@media (max-width: 880px) {
  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container,
  .site-nav {
    width: min(1120px, calc(100% - 28px));
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
  }

  .hero {
    padding: 64px 0 54px;
  }

  .lead {
    font-size: 1.04rem;
  }

  section {
    padding: 58px 0;
  }

  .info-row {
    grid-template-columns: 1fr;
  }

  .info-row span {
    padding: 12px 14px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-header {
    padding: 42px 0 28px;
  }
}