/* KVの背景*/

.context {
	width: 100%;
	position: absolute;
	top:50vh;
	
}

.context h1{
	text-align: center;
	color: #fff;
	font-size: 50px;
}


.area{
/*	background: #4e54c8;
	background: -webkit-linear-gradient(to left, #8f94fb, #4e54c8);*/
	width: 100%;
/*	height:100vh;*/
/*	height:auto;*/
	
   
}

.circles{
	position: absolute;
	top: 150;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.circles li{
/*	position: absolute;*/
	position: relative;
	display: block;
	list-style: none;
	width: 20px;
	height: 20px;
/*	background: rgba(255, 255, 255, 0.2);*/
	background: rgba(142, 195, 31, 0.4);
	animation: animate 25s linear infinite;
	bottom: -350px;
}

.circles li:nth-child(1){
	left: 5%;
	width: 80px;
	height: 80px;
	animation-delay: 0s;
}

.circles li:nth-child(2){
	left: 10%;
	width: 20px;
	height: 20px;
	animation-duration: 12s;
}

.circles li:nth-child(3){
	left: 80%;
	width: 20px;
	height: 20px;
/*	animation-delay: 4s;*/
}

.circles li:nth-child(4){
	left: 10%;
	width: 60px;
	height: 60px;
	animation-delay: 0s;
	animation-duration: 15s;
}

.circles li:nth-child(5){
	left: 5%;
	width: 20px;
	height: 20px;
/*	animation-delay: 0s;*/
}

.circles li:nth-child(6){
	left: 95%;
	width: 110px;
	height: 110px;
/*	animation-delay: 3s;*/
}

.circles li:nth-child(7){
	left: 0%;
	width: 150px;
	height: 150px;
/*	animation-delay: 7s;*/
}

.circles li:nth-child(8){
	left: 90%;
	width: 25px;
	height: 25px;
/*	animation-delay: 15s;
	animation-duration: 45s;*/
}

.circles li:nth-child(9){
	left: 15%;
	width: 15px;
	height: 15px;
/*	animation-delay: 2s;
	animation-duration: 35s;*/
}

.circles li:nth-child(10){
	left: 85%;
	width: 100px;
	height: 100px;
	animation-delay: 0s;
	animation-duration: 11s;
}

@keyframes animate {

	0%{
		transform: translateY(0) rotate(0deg);
		opacity: 0.15;
		border-radius: 50%;
	}

	50%{
		transform: translateY(-500px) rotate(360deg);
		opacity: 0.75;
		border-radius: 10%;
	}

	100%{
		transform: translateY(-1000px) rotate(720deg);
		opacity: 0;
		border-radius: 100%;
	}

}