/* ==========================================================================
   footer.css
   ========================================================================== */

.footer {
  background: var(--c-ink);
  color: var(--c-snow);
  padding: 5rem 0 2.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--c-line-on-dark);
}
.footer__brand .brand-jp {
  font-family: var(--f-mincho);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.footer__brand .brand-en {
  font-family: var(--f-garamond);
  font-style: italic;
  font-weight: 400;
  font-size: 0.875rem;
  letter-spacing: 0.18em;
  color: var(--c-ice);
  margin-bottom: 1.5rem;
}
.footer__brand .brand-meta {
  font-family: var(--f-sans);
  font-size: 0.75rem;
  line-height: 2;
  color: rgba(244, 247, 250, 0.6);
}
.footer__brand .brand-meta .num { font-size: 0.875rem; }

.footer__col h4 {
  font-family: var(--f-garamond);
  font-style: italic;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer__col a {
  font-family: var(--f-sans);
  font-size: 0.875rem;
  color: rgba(244, 247, 250, 0.78);
  letter-spacing: 0.04em;
  transition: color 0.3s ease;
}
.footer__col a:hover { color: var(--c-accent); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  font-family: var(--f-garamond);
  font-style: italic;
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: rgba(244, 247, 250, 0.5);
}

@media (max-width: 1023px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}