/* =============================================================================
   footer.css — ページのフッター
   ============================================================================= */

.footer {
  padding: 44px 0;
  display: flex;
  align-items: center;
  gap: 30px;
  position: relative;
}

.footer img {
  width: 150px;
  height: auto;
}

.footer > p {
  flex: 1;
}

.footer > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--text-muted);
}

.footer .back-top {
  margin-left: 30px;
  border: 1px solid var(--rule);
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}

@media (max-width:900px) {
  .footer {
    gap: 20px;
  }

  .footer > p {
    display: none;
  }

  .footer > div {
    margin-left: auto;
  }

  .footer .back-top {
    margin-left: 12px;
  }
}

@media (max-width:760px) {
  .footer {
    padding: 30px 0;
    gap: 22px;
  }

  .footer img {
    width: 137px;
  }

  .footer > div {
    margin: 0;
    order: 3;
    width: 100%;
  }

  .footer .back-top {
    margin-left: auto;
  }
}

.footer,
.footer :is(p, a, div, small, span) {
  color: #fff;
}

.footer .back-top {
  border-color: #ffffff90;
}

.footer img {
  filter: brightness(0) invert(1);
}

.footer {
  gap: 24px;
  flex-wrap: wrap;
}