/* ==========================================================================
   Footer Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Footer Container
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: 3rem 1rem;
  margin-top: 4rem;
}

.site-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Footer Grid
   -------------------------------------------------------------------------- */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Footer Brand
   -------------------------------------------------------------------------- */
.footer-brand {
  margin-bottom: 1rem;
}

.footer-logo-image {
  height: 2rem;
  width: auto;
}

/* --------------------------------------------------------------------------
   Footer Section
   -------------------------------------------------------------------------- */
.footer-section-title {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-white);
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav-item {
  color: var(--color-gray-400);
}

.footer-nav-link {
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-nav-link:hover {
  color: var(--color-white);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Footer Bottom
   -------------------------------------------------------------------------- */
.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  margin-top: 2rem;
  padding-top: 2rem;
  text-align: center;
  color: var(--color-gray-400);
}

.footer-copyright {
  margin: 0;
}

/* --------------------------------------------------------------------------
   スマホ表示：縦に長くならないよう、リンクを横に並べて折り返す
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .site-footer {
    padding: 2rem 1rem 1.5rem;
    margin-top: 2rem;
  }

  .footer-grid {
    gap: 1.5rem;
  }

  .footer-brand {
    margin-bottom: 0;
  }

  .footer-logo-image {
    height: 1.5rem;
  }

  .footer-section-title {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
  }

  .footer-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    font-size: 0.8125rem;
  }

  .footer-bottom {
    margin-top: 1.5rem;
    padding-top: 1rem;
  }

  .footer-copyright {
    font-size: 0.75rem;
  }
}