.loader {
  font-size: 10px;
  margin: 50px auto;
  text-indent: -9999em;
  width: 11em;
  height: 11em;
  border-radius: 50%;
  background: #ffffff;
  background: -moz-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: -webkit-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: -o-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: -ms-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  background: linear-gradient(to right, #ffffff 10%, rgba(255, 255, 255, 0) 42%);
  position: relative;
  -webkit-animation: load3 1.4s infinite linear;
  animation: load3 1.4s infinite linear;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
}
.loader:before {
  width: 50%;
  height: 50%;
  background: #ffffff;
  border-radius: 100% 0 0 0;
  position: absolute;
  top: 0;
  left: 0;
  content: '';
}
.loader:after {
  background: #0dc5c1;
  width: 75%;
  height: 75%;
  border-radius: 50%;
  content: '';
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}
@-webkit-keyframes load3 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes load3 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
/*▼▼ ここから追加する ▼▼*/
.loader-wrap {
	position: fixed;
	display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #fff;
}
/*▲▲ ここまで追加する ▲▲*/

.loader,
.loader:before,
.loader:after {
	background: #ffffff;
	-webkit-animation: load1 1s infinite ease-in-out;
	animation: load1 1s infinite ease-in-out;
	width: 1em;
	height: 4em;
}
.loader {
	color: #ffffff;
	text-indent: -9999em;
	margin: 88px auto;
	position: relative;
	font-size: 11px;
	-webkit-transform: translateZ(0);
	-ms-transform: translateZ(0);
	transform: translateZ(0);
	-webkit-animation-delay: -0.16s;
	animation-delay: -0.16s;
}
.loader:before,
.loader:after {
	position: absolute;
	top: 0;
	content: '';
}
.loader:before {
	left: -1.5em;
	-webkit-animation-delay: -0.32s;
	animation-delay: -0.32s;
}
.loader:after {
	left: 1.5em;
}
@-webkit-keyframes load1 {
	0%,
	80%,
	100% {
		box-shadow: 0 0;
		height: 4em;
	}
	40% {
		box-shadow: 0 -2em;
		height: 5em;
	}
}
@keyframes load1 {
	0%,
	80%,
	100% {
		box-shadow: 0 0;
		height: 4em;
	}
	40% {
		box-shadow: 0 -2em;
		height: 5em;
	}
}