#site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding-top: var(--space-12);
  padding-bottom: 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-12);
  align-items: start;
  padding-bottom: var(--space-12);
}

/* Logo + tagline */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo {
  height: 44px;
  width: auto;
  align-self: flex-start;
  mix-blend-mode: screen;
  opacity: 0.9;
}

.footer-tagline {
  font-size: var(--font-small);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  max-width: 280px;
}

/* Sitemap nav */
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-nav-title {
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-2);
}

.footer-nav-link {
  font-size: var(--font-small);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--duration-fast) var(--ease-in-out);
  padding-block: 0.2em;
}

.footer-nav-link:hover {
  color: var(--color-white);
}

/* SNS */
.footer-sns {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-sns-title {
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-2) - var(--space-3);
}

.sns-buttons {
  display: flex;
  gap: var(--space-2);
}

/* Bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: var(--font-xs);
  color: rgba(255, 255, 255, 0.3);
}

.footer-policy {
  font-size: var(--font-xs);
  color: rgba(255, 255, 255, 0.35);
  transition: color var(--duration-fast) var(--ease-in-out);
}

.footer-policy:hover {
  color: rgba(255, 255, 255, 0.7);
}