:root {
  color-scheme: light;
  --background: #f8f4e9;
  --surface: #fffdf7;
  --surface-soft: #f0eddf;
  --text: #493e34;
  --muted: #70685f;
  --green: #829a77;
  --green-dark: #52694b;
  --green-soft: #dce8d4;
  --border: #e3dac5;
  --shadow: 0 18px 45px rgba(73, 62, 52, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, #e5efd9 0, transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

a { color: var(--green-dark); }

.page {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green-dark);
  font-weight: 750;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  background: var(--green-soft);
  font-size: 21px;
}

.language-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.82);
  color: var(--green-dark);
  font-weight: 750;
  text-decoration: none;
}

.hero {
  margin-top: 22px;
  padding: clamp(30px, 7vw, 62px);
  border: 1px solid var(--border);
  border-radius: 30px;
  background: rgba(255, 253, 247, 0.94);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.25;
}

.lead {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.quick-links a {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

main { margin-top: 24px; }

.section {
  margin-top: 16px;
  padding: clamp(24px, 5vw, 38px);
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 4vw, 27px);
  line-height: 1.45;
}

p { margin: 10px 0; }

ul,
ol {
  margin: 12px 0;
  padding-left: 1.5em;
}

li + li { margin-top: 7px; }

.callout {
  margin-top: 18px;
  padding: 17px 19px;
  border-left: 4px solid var(--green);
  border-radius: 8px 16px 16px 8px;
  background: var(--green-soft);
}

address {
  margin-top: 14px;
  font-style: normal;
}

footer {
  padding-top: 28px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  margin-bottom: 8px;
}

@media (max-width: 680px) {
  .page { width: min(100% - 20px, 900px); }
  .hero,
  .section { border-radius: 22px; }
}