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

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

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

.maindesign .publish {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
.maindesign .publish--item {
	width: 48%;
}
.maindesign .publish .publish--item:nth-child(n+3) {
	margin-top: 30px;
}

@media screen and (max-width:767px) {
	.maindesign .publish--item {
		width: 100%;
	}
	.maindesign .publish .publish--item:nth-child(n+2) {
		margin-top: 15px;
	}
}