.business_operation_area {
	position: relative;
	display: inline-block;
	width: 100%;
	max-width: var( --content-max-width );
	padding: 20px;
	text-align: left;
}
.business_operation_title {
	font-size: 25px;
	font-weight: bold;
	margin-bottom: 20px;
	padding-left: 20px;
	border-left: 20px solid #0000ff;
}
.base_build_title {
	position: relative;
	display: inline-block;
	font-size: 18px;
	margin-left: 40px;
}
.base_build_title::after {
	position: absolute;
	top: 100%;
	left: -4px;
	width: calc( 100% + 8px );
	height: 4px;
	background-color: #0000ff;
	border-radius: 2px;
	content: "";
}
.base_build_list_area {
	margin-top: 20px;
	margin-left: 80px;
}
.base_build_list_area ul {
	margin: 0;
	padding: 0;
	list-style: none;
}
.base_build_list_area li {
	border: 1px solid #cccccc;
	border-radius: 10px;
	padding: 10px;
}
.base_build_list_area li:not(:last-child) {
	margin-bottom: 10px;
	margin-left: 0;
}
.base_build_list_area li > div {
	margin-top: 10px;
	margin-left: 20px;
}
.ope_title {
	position: relative;
	display: inline-block;
	font-size: 18px;
	margin-top: 20px;
	margin-left: 40px;
}
.ope_title::after {
	position: absolute;
	top: 100%;
	left: -4px;
	width: calc( 100% + 8px );
	height: 4px;
	background-color: #aaaa00;
	border-radius: 2px;
	content: "";
}
.ope_list_area {
	margin-top: 20px;
	margin-left: 80px;
}
.ope_list_area ul {
	margin: 0;
	padding: 0;
	list-style: none;
}
.ope_list_area li {
	border: 1px solid #cccccc;
	border-radius: 10px;
	padding: 10px;
}
.ope_list_area li:not(:last-child) {
	margin-bottom: 10px;
	margin-left: 0;
}
.ope_list_area li > div {
	margin-top: 10px;
	margin-left: 20px;
}