.main-container h1 {
	background-image: url('../img/h1_bg_pc.jpg');
}

.mgt_r{
    padding-right:20px; 
}
.mgt_l{
    padding-left:20px; 
}

@media screen and (max-width: 768px) {
	.main-container h1 {
		background-image: url('../img/h1_bg_sp.jpg');
	}
        .ins-title p {
		width:60%;
	}

.mgt_r{
    padding-right:0px; 
    margin: 20px 0 0 0;
}
.mgt_l{
    padding-left:0px;
    margin: 20px 0 0 0;
}
}