@media screen and (max-width:767px) {
    .pc-only#html2{
        display: block !important;
    }
}

.maindesign *, 
.maindesign *:before, 
.maindesign *:after {
	box-sizing: border-box;
}
.maindesign img {
	width: 100%;
	height: auto;
}
.maindesign .insert-container {
	margin: 50px 0;
}



@media screen and (max-width:767px) {
	.maindesign .insert-container {
		margin: 30px 0;
	}
}