@charset "UTF-8";
/* intro-basic.css */

h3 {
    color: #4d4d4d;
    margin-bottom: 0.5em;
}
.intro-basic{
	display: flex;
	justify-content: space-between;
}
.intro-basic .left_menu{
	width: 270px;
    margin-right: 2em;
}
.intro-basic .right_column{
	width: 650px;
}
.intro-basic .right_column > div{
	margin-bottom: 2.5em;
}
.intro-basic .right_column h4{
	margin-bottom: 0;
}
.intro-basic .right_column h5{
	text-align: center;
}
.intro-basic .right_column .txt_indent{
	margin-left: 1.5em;
}
.menu_tb *, .menu_tb *:after, .menu_tb *:before {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
	}
.menu_tb {
	overflow-x: hidden;
	margin: 0 auto;
	color: #333333;
	}
.menu_tb .menu_actab {
	border-top: 1px solid #cccccc;
	position: relative;
	margin-bottom: 1em;
	}
.menu_tb.last_qa {
    border-bottom: 1px solid #cccccc;
	margin-bottom: 4em;
}
.menu_tb .menu_actab ul{
}
.menu_tb label {
	position: relative;
	display: block;
	width: 100%;
	margin: 0 auto;
	cursor: pointer;
	padding: 1em 0 0;
	}
.menu_tb label:hover {
	text-decoration: none;
	}
.menu_tb .menu_actab-content {
	position: relative;
	overflow: hidden;
	height: 0;
	padding: 0 14px;
	-webkit-transition: 0.4s ease;
	        transition: 0.4s ease;
	opacity: 0;
	}
.menu_tb .menu_actab-content p {
    text-indent: 1em;
}
.menu_tb .menu_actab-content a::before{
	content: url(/common/img/arrow.svg);
    display: inline-block;
    width: 6px;
    margin: 0 0.5em 0.25em 0;
}
.menu_tb .menu_actab input[type=checkbox]:checked ~ .menu_actab-content {
	height: auto;
	padding: 0.5em 0;
    opacity: 1;
	}
.menu_actab label p{
	font-size: 16px;
	font-weight: 500;
	color: #1d2088;
}
.menu_actab label:after, .menu_actab label:before {
    color: #1D2088;
    content: '';
		display: block;
		width: 15px;
		height: 2px;
		border-radius: 5px;
    	background: #1D2088;
		transform: translateY(-50%);
	font-weight: 900;
    position: absolute;
    top: calc(8px + 50%);
    top: -webkit-calc(8px + 50%);
    right: 10px;
	-webkit-transition: 0.4s ease;
	        transition: 0.4s ease;
	}
.menu_actab label:after {
		transform: translateY(-50%) rotate(90deg);
	}
.menu_actab input:checked ~ label::after {
		transform: rotate(0);
    	/*transform: rotateZ(-90deg);*/
	}
.menu_tb .menu_actab input[type=checkbox] {
	display: none;
	}
.menu_actab.last_tab{
	border-bottom: 1px solid #ccc;
    padding-bottom: 1em;
}

section.pagination nav ul {
    display: flex;
    justify-content: space-between;
    padding: 1.2em 0.8em;
    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
}
section.pagination nav ul li a.prev::before {
    content: url(/common/img/arrow.svg);
    display: inline-block;
    width: 6px;
    margin: 0 0.5em 0.25em 0;
    transform: rotate(180deg);
}
section.pagination nav ul li a.next::after {
    content: url(/common/img/arrow.svg);
    display: inline-block;
    width: 6px;
    margin: 0 0 0.25em 0.5em;
}


@media screen and (max-width: 767px) {
	.intro-basic {
		display: block;
		justify-content: center;
	}
	.intro-basic .right_column {
		width: 100%;
	}
	
	.intro_basic_title{
    height: 78px;
	}
	.sp_tb *, .sp_tb *:after, .sp_tb *:before {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
	}
	.sp_tb {
	overflow-x: hidden;
	margin: 0 auto 40px;
	color: #333333;
	}
	.sp_tb .sp_actab {
	border-bottom: 1px solid #cccccc;
	border-left: 1px solid #cccccc;
    border-right: 1px solid #cccccc;
	position: relative;
	margin-bottom: 0.25em;
	}
	.sp_tb label:hover {
	text-decoration: none;
	}
	.sp_tb .sp_actab-content {
	font-size: 1em;
	position: relative;
	overflow: hidden;
	height: 0;
	padding: 0 14px;
	-webkit-transition: 0.4s ease;
	        transition: 0.4s ease;
	opacity: 0;
	}
	.sp_tb .sp_actab input[type=checkbox]:checked ~ .sp_actab-content {
	height: auto;
	padding: 10px 15px;
	margin: 10px 0 0;
    opacity: 1;
    border-top: 2px solid #3ca062;
	background: #f7f7f7;
	}
	.sp_actab label:after {
		transform: translateY(-50%) rotate(90deg);
	}
	.sp_actab input:checked ~ label::after {
		transform: rotate(0);
    	/*transform: rotateZ(-90deg);*/
	}
	.sp_tb .sp_actab input[type=checkbox] {
	display: none;
	}
	.tab_content_description h3, .tab_content_description h4 {
	font-size: 100%;
	}
	.tab_content_description h4{
	margin-block-end: 0.2em;
	}
	.tab_content_description ul {
	display: block;
	}
	.tab_content_description li {
    width: 100%;
    margin-bottom: 30px;
	}
	.useful ul {
		margin: 0;
	}
	.useful li {
		margin-bottom: 0.25em;
	}
	section.pagination nav ul {
		display: block;
		text-align: center;
	}
	
	
	/* sp head menu 追加分 */
	.sp_intro-basic .menu_tb .menu_actab {
    border-top: 1px solid #fff;
    margin-bottom: 0;
	}
	.sp-navi.sp_tb .sp_intro-basic label{
		height: 45px;
	}
	.sp-navi.sp_tb .sp_actab .sp_intro-basic label:after, .sp-navi.sp_tb .sp_actab .sp_intro-basic label:before{
		top: 45%;
		right: 4%;
		width: 12px;
		height: 2px;
	}
	.sec-page-head > div nav ul li ul li a, .sec-page-head > div nav ul li ul li p {
		color: #727171;
		padding: 0.5em 3%;
	}
	.sp-navi.sp_tb .sp_actab .sp_actab-content ul li ul li {
		border-bottom: 1px solid #ccc;
		background: #f9f9f9;
	}
	.sp-navi.sp_tb .sp_actab .sp_actab-content ul li ul li:first-child {
		border-top: 1px solid #ccc;
	}
	.sp-navi.sp_tb .sp_actab .sp_actab-content ul li ul li:last-child {
		border-bottom: none;
	}
	.menu_tb .menu_actab input[type=checkbox]:checked ~ .menu_actab-content {
		padding: 0;
	}
	.menu_actab label p {
		font-size: 15px;
	}

	
}