:root {
  color-scheme: light;
  --ink: #202328;
  --muted: #5f6673;
  --line: #d9dde5;
  --paper: #ffffff;
  --soft: #f5f7fa;
  --accent: #0f766e;
  --accent-2: #7c2d12;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

.site-header,
.site-footer {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.site-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.wrap {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.hero {
  padding: 54px 0 38px;
  background: linear-gradient(180deg, #f7faf9 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-size: 0.92rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.25;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section {
  padding: 38px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--paper);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
}

.tag {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 700;
}

.article-list {
  display: grid;
  gap: 14px;
}

.article-link {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  color: var(--ink);
  text-decoration: none;
}

.article-link span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.content {
  max-width: 820px;
  padding: 42px 0 56px;
}

.content h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
}

.content p,
.content li {
  color: #38404b;
}

.notice {
  border-left: 4px solid var(--accent);
  background: var(--soft);
  padding: 14px 16px;
  color: #34404a;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 760px) {
  .topbar,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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