footer {
  background-color: var(--footerback);
  width: 100%;
  position: relative;
  padding: 24px 0;
}

.footer {
  max-width: var(--pcsize);
  margin: 0 auto;
}

.footer-navi {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-navi li a {
  color: black;
  text-decoration: none;
}

.footer-navi li a:hover {
  text-decoration: underline;
}

/* トップへ戻るボタン */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 72px;
  height: 72px;
  text-align: center;
  cursor: pointer;
  z-index: 999;
  display: none;
}

.top-hexagram {
  fill: #115d89;
  stroke: white;
  stroke-width: 2;
  width: 100%;
  height: 100%;
}

.top-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-family: P22Morris, serif;
  font-size: 14px;
  text-transform: uppercase;
  pointer-events: none;
}