@media screen and (max-width:767px) {
	.concept_bg {
		padding: 15px;
	}
	.concept_box.arrow_right:after {
		top: auto;
		bottom: -80px;
		left: 50%;
		right: auto;
		transform: translateX(-50%) rotate(90deg);
	}
	.concept_bg > div:first-child {
		margin-bottom: 100px;
	}
}