/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,.75);
  font-size: 0.875rem;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding-block: 4rem;
}

.site-footer__logo {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: var(--fw-bold);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1rem;
}

.site-footer__tagline {
  font-size: 0.8rem;
  margin-bottom: 1rem;
  color: rgba(255,255,255,.5);
}

.site-footer__desc {
  font-size: 0.8rem;
  line-height: 1.8;
  color: rgba(255,255,255,.5);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.site-footer__nav-title {
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 1rem;
}

.site-footer__nav ul { display: flex; flex-direction: column; gap: 0.5rem; }

.site-footer__nav a {
  color: rgba(255,255,255,.7);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.site-footer__nav a:hover { color: #fff; }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 1.5rem;
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,.4);
}

.site-footer__sns { display: flex; gap: 1rem; }

.site-footer__sns-link {
  color: rgba(255,255,255,.4);
  transition: color var(--transition);
}

.site-footer__sns-link:hover { color: #fff; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .site-footer__nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .site-footer__nav {
    grid-template-columns: 1fr;
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}