@media screen and (max-width:768px){
	#nav{display: none;}
	#home_main{padding: 1.25rem;}
	#home_main dl{margin-bottom: 1.25rem;}
	#home_main dl dd{font-size: 1.125rem;font-weight: bold;padding: 0.625rem 0;}
}
@media screen and (min-width:769px){
	.myback{
		display: none;
	}
	#home_main{
		width: 1200px;
		margin: 0 auto;
		padding: 20px 0;
	}
	#home_main dl{
		width: 285px;
		float: left;
		margin-bottom: 20px;
		margin-right: 20px;
	}
	#home_main dl.right{
		float: right;
		margin-right: 0;
	}
	#home_main dl dt{
		padding-right: 10px;
	}
	#home_main dl dd{font-size:16px;font-weight: bold;padding: 10px 0;}
}