/* FOOTER */
.site-footer {
  background: var(--black);
}
.footer-inner {
  max-width: 1920px;
  margin: 0 auto;
  padding: 72px var(--section-pad-x);
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-logo {
  width: 20vh;
  height: auto;
}
.footer-copyright {
  font-size: var(--fs-small);
  line-height: 1.4;
  font-weight: 400;
  color: var(--text-dark);
}
.back-to-top {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background-image: url('../images/ui/Top@2x.png');
  background-image: image-set(
    url('../images/ui/Top.png') 1x,
    url('../images/ui/Top@2x.png') 2x
  );
  background-size: cover;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 0.25s,
    transform 0.25s;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (max-width: 760px) {
  .footer-inner {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    padding-top: 96px;
    padding-bottom: 96px;
  }
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
  }
}