:root {
  color-scheme: light;
  --bg: #f7f7f4;
  --paper: #ffffff;
  --ink: #1f2933;
  --muted: #667085;
  --line: #d9ded7;
  --accent: #1b7f64;
  --accent-strong: #12664f;
  --soft: #eef7f2;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
}

body {
  margin: 0;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.nav {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--accent-strong);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a:hover {
  text-decoration: underline;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  padding: 32px 0 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 6vw, 3.3rem);
}

h2 {
  margin: 44px 0 14px;
  padding-top: 4px;
  font-size: 1.45rem;
}

h3 {
  margin: 28px 0 10px;
  font-size: 1.08rem;
}

p {
  margin: 0 0 16px;
}

.lead {
  max-width: 760px;
  color: #344054;
  font-size: 1.08rem;
}

.panel {
  margin: 28px 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.action-link {
  min-height: 116px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
}

.action-link strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-size: 1.05rem;
}

.action-link span {
  display: block;
  color: var(--muted);
  font-size: 0.94rem;
}

.action-link:hover {
  border-color: var(--accent);
}

.meta {
  color: var(--muted);
  font-size: 0.94rem;
}

.notice {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--soft);
}

.language-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.language-switch a:hover {
  border-color: var(--accent);
}

.language-section {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

ul {
  padding-left: 1.35rem;
}

li {
  margin: 0 0 8px;
}

.table-wrap {
  overflow-x: auto;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f0f3ef;
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  main {
    padding-top: 28px;
  }

  .panel {
    padding: 18px;
  }
}