@media only screen and (max-width: 1280px) {
	
}
@media screen and (max-width: 1140px) {

}
@media only screen and (max-width: 840px) {

}
@media screen and (max-width: 768px) {

}
@media screen and (max-width: 480px) {
	#section-container {
		padding: 2.5rem;
	}
	main {
		width: 100%;
		border-bottom: 1px solid #ccc;
		margin-bottom: 5.0rem;
	}
	#sidebar {
		width: 100%;
	}
	.btn_area .tab_btn {
		width: 45%;
		margin-bottom: 1.0rem;
	}
}
@media screen and (max-width: 375px) {
	
}