@charset "UTF-8";
/* CSS Document */

#opening{
	width:90%;
	margin:0 auto;}


#top_works {
	width:100%;
	margin:10px auto;}
	
#top_works ul:after{display:block;clear:both;content:"";}

#top_works ul li{
	width:24.5%;
	margin-right:0.5%;
	float:left;}
	
	
#top_works ul li img{
	filter: saturate(50%);}
	
@media screen and ( max-width:640px ){
	
#top_works {
   margin:70px auto;}
	
#top_works ul li{
	width:49.5%;
	margin-right:0.5%;
	float:left;}
	
	
}