.maindesign .insert_container {
	margin: 50px 0;
}

.insert_container .img_container img,
.insert_container video{
	width: 100%;
	height: auto;
}
.movie_container {
	width: 75%;
	margin: 30px auto;
}
.insert_container .responsive {
	width: 100%;
	aspect-ratio: 16/9;
}
.insert_container .text_01 {
	font-weight: bold;
	margin: 100px 0 15px;
}
.insert_container .flex_container.half {
	align-items: center;
}
.insert_container .flex_container.half .img_container {
	width: 48%;
}
.insert_container .flex_container {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	margin: 30px 0;
}
.insert_container .flex_content {
	width: 48%;
	box-sizing: border-box;
	margin: 30px 0;
}
.insert_container h2 {
	font-weight: bold;
	font-size: 1.75em;
	padding-bottom: 20px;
	position: relative;
}
.insert_container h2::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	width: 70px;
	height: 5px;
	background-color: #a2c3e7;
}
.insert_container .flex_inner {
	display: flex;
	justify-content: center;
	align-items: center;
}
.insert_container .flex_bottom {
	align-items: flex-end;
	justify-content: space-around !important;
}
.insert_container .flex_bottom .flex_content {
	width: 40%;
}
.insert_container .flex_bottom .flex_content:last-child {
	width: 45%;
	margin-top: 30px;
}
.insert_container .re_img_container > img {
	height: 100%;
	width: auto;
}
.insert_container .re_img_container {
	height: 150px;
	margin-right: 20px;
}
.insert_container .text_02 {
	font-weight: bold;
	line-height: 1.5;
}
.insert_container .flex_container.safety .flex_content:first-child {
	width: 85%;
	margin: 30px auto;
}
.insert_container .text_03 {
	font-weight: bold;
	text-align: center;
}
.insert_container .text_04 {
	font-weight: bold;
	text-align: center;
	font-size: 1.25em;
}
 
@media screen and (max-width:767px) {
	.maindesign .insert_container {
		margin: 30px 0;
	}
	.insert_container .movie_container {
		width: 100%;
		margin: 15px auto;
	}
	.insert_container .flex_container.half .img_container {
		width: 100%;
	}
	.insert_container .text_01 {
		margin: 50px 0 10px;
	}
	.insert_container .flex_container {
		margin: 15px 0;
	}
	.insert_container .flex_content {
		margin: 15px 0;
		width: 100%;
	}
	.insert_container .flex_bottom .flex_content {
		width: 100%;
	}
	.insert_container .flex_bottom .flex_content:last-child {
		width: 100%;
	}
	.insert_container .flex_inner {
		flex-wrap: wrap; 
	}
	.insert_container .re_img_container {
		margin-right: 0;
		margin-bottom: 10px;
	}
	.insert_container .flex_container.safety .flex_content:first-child {
		width: 100%;
	}
	.insert_container h2 {
		margin-top: 50px;
		margin-bottom: 30px;
		font-size: 1.25em;
	}
	.insert_container .text_03 {
		text-align: left;
	}
	.insert_container .text_04 {
		text-align: left;
	}
}