footer.site-footer {
    padding: 15px 1em;
    padding-bottom: 0px;
    background: #ffffffd6;
    border-top: #474747 1px solid;
    background: #b7b2b266;
}

footer.site-footer.dark {
  background: #c1c1c1;

}


footer .wp-block-columns{
  margin-bottom:0.5em;
}

/************************************/
.sticky-buttons-container {
  position: sticky;
  bottom: 0;
  z-index: 99;
  display: flex;
  justify-content: center;
}

.sticky-buttons {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 1500px;
  padding: 10px 20px;
  box-sizing: border-box;
}

.back-button,
.top-button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background-color: black;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, filter 0.3s ease;
}

.back-button svg,
.top-button svg {
  stroke: white;
  width: 24px;
  height: 24px;
}

.back-button:hover,
.top-button:hover {
  background-color: white;
}

.back-button:hover svg,
.top-button:hover svg {
  stroke: black;
}

/* SP 非表示 */
@media (max-width: 767px) {
  .back-button,
  .top-button {
    display: none;
  }
}


/************************************/

.sns-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  text-decoration: none;
}

.sns-icon::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: #fff; /* 背景用の白円 */
  z-index: 0; /* アイコンの下に配置 */
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

.sns-icon img {
  position: relative;
  width: 48px;
  height: 48px;
  z-index: 1; /* 白背景より上に */
}

.sns-icon:hover::before {
  transform: scale(1.05);
  transition: 0.2s ease;
}