/* サイトフッター */
.site-footer {
  background: var(--color-primary-dark);
  color: #c5e8f2;
  margin-top: 0;
}
.site-footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 40px 48px;
  align-items: start;
}
.site-footer__brand { min-width: 0; }
.site-footer .brand { margin-bottom: 4px; }
.site-footer__tagline {
  font-size: 13px;
  line-height: 1.75;
  margin-top: 14px;
  max-width: 320px;
}
.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px 32px;
}
.site-footer__nav h2 {
  font-size: 13px;
  color: #7ec8dd;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: .04em;
}
.site-footer__nav ul li { margin-bottom: 8px; }
.site-footer__nav a { font-size: 13.5px; color: #cfe0fb; }
.site-footer__nav a:hover { color: #fff; opacity: 1; }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  text-align: center;
  padding: 20px 24px;
  font-size: 12px;
  color: #7ec8dd;
}

@media (max-width: 1023px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .site-footer__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .site-footer__nav {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}