:root {
  --bg: #f4efe6;
  --paper: rgba(255, 252, 247, 0.86);
  --ink: #1d2736;
  --muted: #5f6b78;
  --line: rgba(29, 39, 54, 0.1);
  --accent: #d65d39;
  --accent-deep: #8a2f1d;
  --shadow: 0 20px 50px rgba(29, 39, 54, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(214, 93, 57, 0.14), transparent 28%),
    radial-gradient(circle at bottom right, rgba(29, 39, 54, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf6ee 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.page-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

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

.hero-card {
  padding: 36px;
}

.content-card {
  padding: 32px;
}

.info-card {
  padding: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
}

h2 {
  margin: 28px 0 12px;
  font-size: 1.2rem;
}

.lead,
p,
li {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
}

.meta {
  margin-top: -6px;
  color: var(--accent-deep);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.primary-link {
  background: var(--accent);
  color: #fff7f2;
}

.secondary-link {
  border: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.plain-list,
.link-list {
  margin: 0;
  padding-left: 20px;
}

.top-nav {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
  font-weight: 700;
}

.top-nav a {
  text-decoration: none;
  color: var(--accent-deep);
}

.notice-box,
.support-block {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.notice-box p,
.support-block p,
.signature p {
  margin: 8px 0 0;
}

.signature {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

@media (max-width: 720px) {
  .page-shell {
    padding: 20px 14px 44px;
  }

  .hero-card,
  .content-card,
  .info-card {
    border-radius: 22px;
  }

  .hero-card,
  .content-card {
    padding: 24px 18px;
  }

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