a.sd{
	position: absolute;
	top: 420px;
	right: 0;
	z-index: 2;
	display: inline-block;
	text-decoration: none;
	width: 90px;
	height: 240px;
	background: #000;
	box-sizing:border-box;
	padding-top:60px;
	color:#fff;
}
a.sd p {
  font-size: 12px;
  color:#fff;
  text-align: end;
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}

a.sd span {
  position: absolute;
  top: 0;
  left: 50%;
  width: 24px;
  height: 42px;
  margin-left: -12px;
  border: 2px solid #fff;
  border-radius: 42px;
  box-sizing: border-box;
  margin-top:130px;
}
a.sd span::before {
  position: absolute;
  top: 10px;
  left: 50%;
  content: '';
  width: 4px;
  height: 4px;
  margin-left: -2px;
  background-color: #fff;
  border-radius: 100%;
  -webkit-animation: sdb 2s infinite;
  animation: sdb 2s infinite;
  box-sizing: border-box;
}
@-webkit-keyframes sdb {
  0% {
    -webkit-transform: translate(0, 0);
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  80% {
    -webkit-transform: translate(0, 20px);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}
@keyframes sdb {
  0% {
    transform: translate(0, 0);
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  80% {
    transform: translate(0, 20px);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}







/*トップに戻る*/

.bk {
  width: 97px;
  height: 567px;
  background: #e50065;
  position: absolute;
  right: 0;
  bottom: 550px;
  overflow: hidden;
  display:block;
}

/* アニメーション設定 */
.arrowWrap {
  position: absolute;
  right:5px;
  bottom: 0;
  height: 250px;
  color:#fff;
}

.arrowInner p {
  font-size: 12px;
  text-align: end;
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}

.arrow2 {
  width: 1px;
  height: 100px;
  margin: 0 auto 50px;
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.arrow2::before {
  content: '';
  width: 1px;
  height: 100px;
  margin: 20px auto 20px;
  background-color: #fb3d91;
  position: absolute;
  bottom: 100px;
  left: 0;
  -webkit-animation: arrow2 2.5s ease 0s infinite normal;
  animation: arrow2 2.5s ease 0s infinite normal;
}

@keyframes arrow2 {
  0% {
    -webkit-transform: translate3d(-50%, 0, 0);
    transform: translate3d(-50%, 0, 0);
  }

  60% {
    -webkit-transform: translate3d(-50%, 100px, 0);
    transform: translate3d(-50%, 100px, 0);
  }

  100% {
    -webkit-transform: translate3d(-50%, 100px, 0);
    transform: translate3d(-50%, 100px, 0);
  }
}