<div class="cp_snslink11">
<nav class="cp_link_list">
<input type="checkbox" href="#" class="cp_open" id="cp_toggle03" />
<label class="cp_open_btn" for="cp_toggle03">
<i class="fa fa-share-alt cp_share fa-fw"></i>
</label>
<a class="cp_link facebook" href="#"><i class="fa fa-facebook fa-fw"></i></a>
<a class="cp_link twitter" href="#"><i class="fa fa-twitter fa-fw"></i></a>
<a class="cp_link google" href="#"><i class="fa fa-google-plus fa-fw"></i></a>
<a class="cp_link instagram" href="#"><i class="fa fa-instagram fa-fw"></i></a>
</nav>
</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_snslink11 {
	position: fixed;
	bottom: 1%;
	right: 1%;
	display: block;
	margin: 0;
	-webkit-transform: translateY(-50%);
	        transform: translateY(-50%);
}
.cp_snslink11 a {
	-webkit-transition: all 0.8s;
	        transition: all 0.8s;
	opacity: 0.8;
}
.cp_snslink11 .cp_link {
margin-left: -40px;
}
.cp_snslink11 .cp_link,
.cp_snslink11 .cp_open_btn {
	line-height: 64px;
	position: absolute;
	width: 60px;
	height: 60px;
	margin-left: -40px;
	-webkit-transition: -webkit-transform ease-out 200ms;
	        transition: -webkit-transform ease-out 200ms;
	        transition:         transform ease-out 200ms;
	        transition:         transform ease-out 200ms, -webkit-transform ease-out 200ms;
	-webkit-transform: translate3d(0, 0, 0);
	        transform: translate3d(0, 0, 0);
	text-align: center;
	color: #ffffff;
	border-radius: 100%;
	background: #eeeeee;
}
.cp_snslink11 .cp_link_list {
	font-size: 26px;
	z-index: 99;
	box-sizing: border-box;
	width: 80px;
	height: 50px;
	margin: auto;
	text-align: center;
}
.cp_snslink11 .cp_link_list a.cp_link .fa {
	color: #ffffff;
}
.cp_snslink11 .cp_open {
	display: none;
}
.cp_snslink11 .cp_share {
	color: #e64a19;
}
.cp_snslink11 .cp_link:hover {
	opacity: 1;
}
.cp_snslink11 .cp_link:nth-child(3),
.cp_snslink11 .cp_link:nth-child(4),
.cp_snslink11 .cp_link:nth-child(5),
.cp_snslink11 .cp_link:nth-child(6) {
	-webkit-transition-duration: 180ms;
	        transition-duration: 180ms;
}
.cp_snslink11 .cp_open_btn {
	z-index: 2;
	cursor: pointer;
	-webkit-transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);
	        transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);
	-webkit-transition-duration: 400ms;
	        transition-duration: 400ms;
	-webkit-transform: scale(1.1, 1.1) translate3d(0, 0, 0);
	        transform: scale(1.1, 1.1) translate3d(0, 0, 0);
}
.cp_snslink11 .cp_open_btn:hover {
	-webkit-transform: scale(1.2, 1.2) translate3d(0, 0, 0);
	        transform: scale(1.2, 1.2) translate3d(0, 0, 0);
}
.cp_snslink11 .cp_open:checked + .cp_open_btn {
	-webkit-transition-timing-function: linear;
	        transition-timing-function: linear;
	-webkit-transition-duration: 200ms;
	        transition-duration: 200ms;
	-webkit-transform: scale(0.8, 0.8) translate3d(0, 0, 0);
	        transform: scale(0.8, 0.8) translate3d(0, 0, 0);
}
.cp_snslink11 .cp_open:checked ~ .cp_link {
	-webkit-transition-timing-function: cubic-bezier(0.935, 0, 0.34, 1.33);
	        transition-timing-function: cubic-bezier(0.935, 0, 0.34, 1.33);
}
.cp_snslink11 .cp_open:checked ~ .cp_link:nth-child(3) {
	-webkit-transition-duration: 180ms;
	        transition-duration: 180ms;
	-webkit-transform: translate3d(0.08361px, -64px, 0);
	        transform: translate3d(0.08361px, -64px, 0);
}
.cp_snslink11 .cp_open:checked ~ .cp_link:nth-child(4) {
	-webkit-transition-duration: 280ms;
	        transition-duration: 280ms;
	-webkit-transform: translate3d(0.08361px, -134px, 0);
	        transform: translate3d(0.08361px, -134px, 0);
}
.cp_snslink11 .cp_open:checked ~ .cp_link:nth-child(5) {
	-webkit-transition-duration: 380ms;
	        transition-duration: 380ms;
	-webkit-transform: translate3d(0.08361px, -202px, 0);
	        transform: translate3d(0.08361px, -202px, 0);
}
.cp_snslink11 .cp_open:checked ~ .cp_link:nth-child(6) {
	-webkit-transition-duration: 480ms;
	        transition-duration: 480ms;
	-webkit-transform: translate3d(0.08361px, -270px, 0);
	        transform: translate3d(0.08361px, -270px, 0);
}
.cp_snslink11 .facebook {
	background-color: #3b5998;
}
.cp_snslink11 .twitter {
	background-color: #00aced;
}
.cp_snslink11 .google {
	background-color: #dd4b39;
}
.cp_snslink11 .instagram {
	background: radial-gradient(circle at 0% 90%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285aeb 90%);
}