:root {
  --bg: #f4f8f5;
  --surface: #ffffff;
  --surface-soft: #ebf2ec;
  --line: #d3ded6;
  --text: #123021;
  --text-soft: #416154;
  --brand: #0a9f52;
  --brand-dark: #06713a;
  --shadow: 0 10px 28px rgba(7, 33, 20, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  background: radial-gradient(circle at 10% 5%, #e7f6eb 0, var(--bg) 48%);
  color: var(--text);
  line-height: 1.7;
}

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

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

.narrow {
  width: min(840px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 248, 245, 0.84);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-family: "Lexend", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.global-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.global-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-soft);
}

.global-nav a:hover,
.global-nav a[aria-current="page"] {
  color: var(--brand-dark);
  background: var(--surface-soft);
}

.hero {
  padding: 72px 0 56px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 8px;
  padding: 3px 10px;
  border: 1px solid #9ecab0;
  border-radius: 999px;
  font-family: "Lexend", sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--brand-dark);
}

h1,
h2 {
  font-family: "Lexend", sans-serif;
  line-height: 1.2;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.7rem);
}

.lead {
  margin: 0;
  color: var(--text-soft);
  max-width: 48rem;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  box-shadow: var(--shadow);
}

.btn.primary:hover {
  transform: translateY(-1px);
}

.btn.ghost {
  border-color: #99c4ab;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.6);
}

.section {
  padding: 26px 0 52px;
}

.cards,
.card-list {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card p {
  color: var(--text-soft);
  margin: 0 0 10px;
}

.text-link {
  color: var(--brand-dark);
  font-weight: 700;
}

.policy-date {
  margin: -4px 0 26px;
  color: var(--text-soft);
}

.policy {
  margin-bottom: 28px;
}

.policy ul {
  margin: 0;
  padding-left: 1.1rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
}

.footer-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
}

small {
  color: var(--text-soft);
}

@media (max-width: 720px) {
  .header-inner {
    min-height: auto;
    padding: 14px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 48px;
  }
}