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

@media screen and (max-width: 768px) {
	.main-container h1 {
		background-image: url('../img/h1_bg_sp.jpg');
	}
    .ins-title p {
		width:70%;
	}

     .hr1 {
    margin: 20px 0 30px 0;
}  
}