:root {
  --bg: #fffbeb;
  --text: #1c1917;
  --muted: #44403c;
  --header-bg: #78350f;
  --header-text: #fffbeb;
  --card-border: #fde68a;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(100%, 72rem);
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  border-bottom: 1px solid #fcd34d;
  background: var(--header-bg);
  color: var(--header-text);
}

.site-header .container {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.brand {
  margin: 0;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

h1 {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  font-weight: 600;
}

.lead {
  margin: 0.6rem 0 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.main-content {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1rem;
}

h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.7;
}

a {
  color: #92400e;
}

.button-link {
  display: inline-block;
  text-decoration: none;
  background: #92400e;
  color: #fffbeb;
  padding: 0.6rem 0.9rem;
  border-radius: 9999px;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid #fcd34d;
  background: #78350ff2;
  color: #fef3c7;
}

.footer-inner {
  padding-top: 1rem;
  padding-bottom: 1rem;
  font-size: 10px;
}

.footer-text {
  margin: 0 0 0.25rem;
  color: #fef3c7;
}

.footer-nav {
  margin: 0.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-size: 11px;
}

.footer-nav a {
  color: #fffbeb;
  text-underline-offset: 2px;
}

.copyright {
  margin: 0;
  color: #fef3c7;
}

@media (min-width: 640px) {
  .site-header .container {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .brand {
    font-size: 1.5rem;
  }

  h1 {
    font-size: 1rem;
  }
}

.article-content h3 {
  margin-top: 1.4rem;
  margin-bottom: 0.4rem;
  font-size: 1rem;
  color: #78350f;
}

.article-content ul {
  padding-left: 1.2rem;
}

.button-link-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.6rem;
}

.ad-slot {
  margin: 1rem 0;
  padding: 0.8rem;
  border: 1px dashed #f59e0b;
  border-radius: 0.75rem;
  background: #fffbeb;
}

.ad-label {
  margin: 0 0 0.3rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: #92400e;
}

.inline-cta {
  font-weight: 700;
}


.rakuten-widget-wrap {
  display: flex;
  justify-content: center;
  width: 100%;
  overflow-x: auto;
}


.cta-button {
  font-size: 0.88rem;
  padding: 0.55rem 0.85rem;
}