@charset "utf-8";

/*------------ column_03 ------------*/
.about_column_03 {
	padding: 0 0 107px;
	margin: 0 0 143px;
	position: relative;
}

.about_column_03::after {
	position: absolute;
	content: "";
	width: 100vw;
	min-width: 1920px;
	height: calc(216px* 1.23);
	bottom: 0;
	left: 50%;
	background: #EFEFEF;
	transform: translateX(-50%);
	z-index: -5;
}

.about_column_03 .column_03 {
	margin: 0;
}

/*------------ about_box ------------*/
.about_box {
	display: flex;
	flex-wrap: wrap;
	margin: 0 calc(50% - 50vw) 100px 0;
	margin: 0 min(-133px, (50% - 50vw)) 85px 0;
	position: relative;
}

.about_box:last-child {
	margin-bottom: 0;
}

.about_txt {
	width: 563px;
	margin: 11px 70px 0 0;
}

.about_img.pc_size {
	width: calc(100% - (563px + 70px));
	min-width: 500px;
}

.about_img img {
	display: block;
	width: 100%;
	max-height: 450px;
	object-fit: cover;
}

/* nth_even */

.about_box:nth-child(even) {
	flex-direction: row-reverse;
	margin-right: auto;
	margin-left: calc(50% - 50vw);
	margin-left: min(-133px, (50% - 50vw));
	right: 0;
}

.about_box:nth-child(even) .about_txt {
	margin-right: auto;
	margin-left: 70px;
}

@media screen and (max-width:767px) {

	/*------------ column_03 ------------*/
	.about_column_03 {
		padding: 0 0 50px;
		margin: 0 0 50px;
	}

	.about_column_03::after {
		height: calc(100% - 60px);
	}

	/*------------ about_box ------------*/
	.about_box {
		display: block !important;
		margin: 0 0 45px !important;
		position: relative !important;
	}

	.about_box:last-child {
		margin-bottom: 0 !important;
	}

	.about_txt {
		width: auto !important;
		margin: 0 !important;
	}

	/* .about_img.pc_size {
		width: calc(100% - (563px + 70px));
		min-width: 500px;
	}*/
	
	.about_img.sp_size {
		margin: 0 0 15px;
	}

	.about_img img {
		display: block;
		width: 100%;
		max-height: 450px;
		object-fit: cover;
	}

	/* nth_even */

	/* .about_box:nth-child(even) {
		flex-direction: row-reverse;
		margin-right: auto;
		margin-left: calc(50% - 50vw);
		margin-left: min(-133px, (50% - 50vw));
		right: 0;
	}

	.about_box:nth-child(even) .about_txt {
		margin-right: auto;
		margin-left: 70px;
	} */
}