<div class="contents">text</div>
<div class="cp_snslink09">
	<div class="cp_link_list">
	<input type="checkbox" id="cp_toggle" />
	<label for="cp_toggle" class="fa fa-share-alt"></label>
	<div class="cp_link">
	<ul>
	<li><a href="#" class="fa fa-twitter" title="Twitter"></a></li>
	<li><a href="#" class="fa fa-facebook" title="Facebook"></a></li>
	<li><a href="#" class="fa fa-google-plus" title="Google+"></a></li>
	<li><a href="#" class="fa fa-instagram" title="Instagram"></a></li>
	</ul>
	</div>
	</div>
</div>

* {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
}
body {
	/*設置する親要素ページ全体ならbodyなど*/
	position: relative;
	height: 100vh;
	margin: 0;
	padding: 0;
}
.contents {
	/*サンプルはfixedの確認のためにheight指定しています。*/
	height: 2000px;
}
.cp_snslink09 {
	position: fixed;
	top: 6%;
	left: 1%;
	display: block;
	margin: 0;
	-webkit-transform: translateY(-50%);
	        transform: translateY(-50%);
	width: 40%;
}
.cp_snslink09 .cp_link_list{
	position: relative;
	-webkit-perspective: 1000px;
	perspective: 1000px;
	z-index: 1000;
}
.cp_snslink09 .cp_link_list input{
	display: none;
}
.cp_snslink09 .cp_link_list label {
	position: relative;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-pack: center;
	justify-content: center;
	-webkit-box-align: center;
	align-items: center;
	cursor: pointer;
	font-size: 24px;
	width: 50px;
	height: 50px;
	text-align: center;
	color: #ffffff;
	background: #4DB6AC;
	border-radius: 50%;
	outline: none;
	z-index: 100000;
	-webkit-transition: all 0.3s;
	transition: all 0.3s;
}
.cp_snslink09 .cp_link_list .cp_link {
	position: absolute;
	margin: 0;
	top: 60px;
	-webkit-transform: rotateY(180deg);
	transform: rotateY(180deg);
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-transition-delay: 0.5s;
	transition-delay: 0.5s;
}
.cp_snslink09 .cp_link_list .cp_link ul{
	position: relative;
	list-style: none;
	margin: 0;
	padding: 0;
	z-index: -1;
}
.cp_snslink09 .cp_link_list .cp_link ul li{
	margin-bottom: 10px;
	position: relative;
	opacity: 0;
	width: 50px;
	height: 50px;
	-webkit-transform: translateY(-100%) rotate(0);
	transform: translateY(-100%) rotate(0);
	-webkit-transition: all 0.5s;
	transition: all 0.5s;
}
.cp_snslink09 .cp_link_list .cp_link ul li a{
	display: -webkit-box;
	display: flex;
	color: #ffffff;
	text-decoration: none;
	text-align: center;
	font-size: 24px;
	width: 100%;
	height: 100%;
	-webkit-box-align: center;
	align-items: center;
	-webkit-box-pack: center;
	justify-content: center;
	text-align: center;
	background: #4DB6AC;
	text-decoration: none;
	border-radius: 50%;
	-webkit-transition: all 0.3s;
	transition: all 0.3s;
}
.cp_snslink09 .cp_link_list .cp_link ul li a:hover{
	background: #F57C00;
	color: #ffffff;
}
.cp_snslink09 .cp_link_list input:checked ~ label {
	background: #009688;
}
.cp_snslink09 .cp_link_list input:checked ~ .cp_link{
	-webkit-transform: rotateY(0);
	transform: rotateY(0);
	-webkit-transition-delay: 0s;
	transition-delay: 0s;
}
.cp_snslink09 .cp_link_list input:checked ~ .cp_link ul li{
	opacity: 1;
	-webkit-transform: translateY(0) rotate(360deg);
	transform: translateY(0) rotate(360deg);
	-webkit-transition: all 0.3s;
	transition: all 0.3s;
}
.cp_snslink09 .cp_link_list input:checked ~ .cp_link ul li:nth-of-type(1){
	-webkit-transition-delay: 0;
	transition-delay: 0;
	z-index: 4;
}
.cp_snslink09 .cp_link_list input:checked ~ .cp_link ul li:nth-of-type(2){
	-webkit-transition-delay: 0.3s;
	transition-delay: 0.3s;
	z-index: 3;
}
.cp_snslink09 .cp_link_list input:checked ~ .cp_link ul li:nth-of-type(3){
	-webkit-transition-delay: .6s;
	transition-delay: .6s;
	z-index: 2;
}
.cp_snslink09 .cp_link_list input:checked ~ .cp_link ul li:nth-of-type(4){
	-webkit-transition-delay: .9s;
	transition-delay: .9s;
	z-index: 1;
}