:root {
  --ink: #16313a;
  --muted: #586d73;
  --paper: #f7f4ed;
  --card: rgba(255, 253, 248, 0.88);
  --line: rgba(22, 49, 58, 0.12);
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --warm: #f0c987;
  --shadow: 0 24px 60px rgba(22, 49, 58, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(240, 201, 135, 0.42), transparent 34%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.18), transparent 26%),
    linear-gradient(180deg, #fbf9f4 0%, #f2efe7 100%);
  font-family: "Georgia", "Times New Roman", serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero,
.notice,
.article {
  backdrop-filter: blur(14px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -44px;
  top: -54px;
  width: 188px;
  height: 188px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.24), rgba(240, 201, 135, 0.3));
  pointer-events: none;
}

.eyebrow,
.card-kicker,
.meta {
  margin: 0 0 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: "Helvetica Neue", "Arial", sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  max-width: 14ch;
  font-size: clamp(2.7rem, 6vw, 4.8rem);
}

.lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 1.08rem;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.card,
.article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.card {
  display: block;
  min-height: 220px;
  padding: 24px;
  text-decoration: none;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(15, 118, 110, 0.32);
  background: rgba(255, 254, 250, 0.95);
}

.card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.notice {
  margin-top: 22px;
  padding: 28px 30px;
  background: linear-gradient(180deg, rgba(255, 252, 244, 0.95), rgba(252, 246, 233, 0.92));
}

.notice h2 {
  margin-bottom: 10px;
}

.nav {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
  font-family: "Helvetica Neue", "Arial", sans-serif;
  font-size: 0.95rem;
}

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

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.article-wrap {
  display: grid;
  gap: 18px;
}

.article {
  padding: 28px;
}

.article p,
.article li {
  color: var(--muted);
}

.article ul {
  padding-left: 20px;
}

.article section + section {
  margin-top: 24px;
}

.banner {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--ink);
  font-family: "Helvetica Neue", "Arial", sans-serif;
}

.faq {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 254, 250, 0.8);
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

code {
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.92em;
  background: rgba(22, 49, 58, 0.06);
  border-radius: 8px;
  padding: 0.12em 0.38em;
}

@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 30px 24px;
  }
}