/* フッター
-----------------------------------------------------------------------*/
.footer_block {
  max-width: 1200px;
  width: 100%;
  margin: auto;
  display: flex;
  justify-content: center;
align-items: center;
flex-flow: column;
  padding: 0px 30px 70px 30px;
  box-sizing: border-box
}
.copyright {
  width: 100%;
  display: flex;
  flex-flow: column;
  justify-content: center;
  text-align: center;
  font-size: 10px;
  letter-spacing: 2px;
  line-height: 20px;
}
.copyright a {
  text-align: center;
  letter-spacing: 2px;
}

@media screen and (max-width: 700px) {
.copyright {
padding-top: 50px
}
}
/* ページトップへ移動ボタン
-----------------------------------------------------------------------*/
.scroll_top {
  opacity: 0; /* 初期状態では透明 */
  transition: opacity 0.5s ease; /* 透明度の変化を滑らかに */
  pointer-events: none; /* 初期状態ではクリック不可 */
}
.scroll_top.show {
  opacity: 1; /* 表示時の透明度 */
  pointer-events: auto; /* 表示時はクリック可能 */
}
.scroll_top a {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative; /* 親要素に相対位置を設定 */
  position: fixed;
  right: 15px;
  bottom: 15px;
  background-color: rgba(0, 0, 0, 0.8);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  opacity: 1;
}
.scroll_top a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.scroll_top a::after {
  content: "";
  position: absolute;
  margin: auto;
  top: 22px;
  left: 19px;
  width: 10px;
  height: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(-45deg);
  transition: 0.3s ease-in-out;
}
.scroll_top a:hover::after {
  top: 30px;
}
@media screen and (max-width: 480px) {
  .scroll_top a {
    transform: scale(0.7);
    right: 10px;
    bottom: 10px;
  }
  .scroll_top a:hover::after {
    top: 22px;
  }
}