#copyrights {
	padding-bottom:40px;
}
footer ul.snsnavi {
	width: 100%;
	height: auto;
	margin: 30px 0 30px 0;
	text-align: center;
}
footer ul.snsnavi li {
	display: inline;
	margin: 0;
	padding:  0 5px;	
}
footer ul.snsnavi li a {
	-moz-transition: .5s;
	-webkit-transition: .5s;
	-o-transition: .5s;
	-ms-transition: .5s;
	transition: .5s;
}
footer ul.snsnavi li a:hover {
	opacity: 0.7;
}

@media screen and (max-width:991px){
	footer ul.snsnavi {
		width: 90%;
		height: auto;
		overflow: hidden;
		margin: 30px 5% 0 5%;
	}
	footer ul.snsnavi li {
		width: 25%;
		height:auto;
		margin: 0;
		padding:  0 5px 10px 5px;
		display: inline-block;
	}
	footer ul.snsnavi li a img {
		width: 100%;
		max-width: 168px;
	}
}


@media screen and (max-width:640px){
	footer ul.snsnavi li {
		width: 50%;
		float: left;
		box-sizing: border-box;
	}
}