:root {
  --bg: #f8faf9;
  --text: #1f2a2a;
  --muted: #5c6b6b;
  --card: #ffffff;
  --line: #dfe7e4;
  --accent: #2b6f6a;
  --accent-2: #3d8b85;
  --soft: #eef6f4;
  --max: 980px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  border: 1px solid var(--line);
  padding: .6rem .9rem;
  z-index: 1000;
}
header {
  background: linear-gradient(180deg, #f9fcfb 0%, #eef6f4 100%);
  border-bottom: 1px solid var(--line);
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1rem; }
.topbar {
  padding: 1rem 0 .7rem;
}
.brand {
  font-size: 1.55rem;
  font-weight: bold;
  letter-spacing: .01em;
}
.tag {
  color: var(--muted);
  font-size: .98rem;
  margin-top: .2rem;
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.2rem;
}
nav a {
  display: inline-block;
  padding: .3rem 0;
}
.hero {
  padding: 2.2rem 0 2rem;
}
.hero h1 {
  margin: 0 0 .65rem;
  line-height: 1.15;
  font-size: clamp(2rem, 4vw, 3rem);
}
.hero p {
  margin: .5rem 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.2rem;
}
.button, .button-secondary {
  display: inline-block;
  border-radius: 999px;
  padding: .8rem 1.15rem;
  border: 1px solid var(--accent);
  font-weight: 600;
}
.button {
  background: var(--accent);
  color: white;
}
.button:hover { text-decoration: none; background: var(--accent-2); }
.button-secondary {
  background: transparent;
  color: var(--accent);
}
main { padding: 1.6rem 0 3rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  box-shadow: 0 4px 12px rgba(20,42,39,.03);
}
.card h2, .card h3 {
  margin-top: 0;
  line-height: 1.25;
}
.card p { color: var(--muted); }
.meta {
  color: var(--muted);
  font-size: .95rem;
  margin-bottom: .8rem;
}
.leadbox {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
}
.article main .wrap, .page main .wrap { max-width: 840px; }
article h1 { line-height: 1.15; margin-bottom: .35rem; }
article h2 { margin-top: 2rem; line-height: 1.2; }
article ul, article ol { padding-left: 1.2rem; }
.notice {
  font-size: .95rem;
  color: var(--muted);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1rem;
  padding: 0;
  margin: .6rem 0 0;
}
footer {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 1.6rem 0 2rem;
  color: var(--muted);
}
footer p { margin: .45rem 0; }
.small { font-size: .93rem; }
hr.sep {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}
th, td {
  border: 1px solid var(--line);
  padding: .7rem;
  text-align: left;
}
th { background: var(--soft); }
@media (max-width: 640px) {
  .hero { padding-top: 1.4rem; }
  nav ul { gap: .65rem; }
}