/*PCの場合*/
.pc {
	display: inline !important;
}

.mb {
	display: none !important;
}

@media screen and (max-width: 768px) {
	/*タブレット、スマホの場合*/
	.pc {
		display: none !important;
	}
	
	.mb {
		display: inline !important;
	}
}

/*ヘッダー固定*/
header {
	position: fixed;
	z-index: 999;
	top: 0;
	left: 0;
	width: 100%;
	padding: 15px 20px;
	background: #ffffff;
	box-sizing: border-box;
}

/*メニューの下線*/
.c-txtline {
	padding-bottom: 5px;
	position: relative;
}

.c-txtline::before {
	background: #3c65b0;
	content: '';
	width: 100%;
	height: 2px;
	position: absolute;
	left: 0;
	bottom: 0;
	margin: auto;
	transform-origin: center top;
	transform: scale(0, 1);
	transition: transform .3s;
}

.c-txtline:hover::before {
	transform-origin: center top;
	transform: scale(1, 1);
}

/*Q&A*/
.qa-7 {
	width: 100%;
	margin-bottom: 10px;
	border: none;
	border-radius: 5px;
	box-shadow: 0 4px 4px rgb(0 0 0 / 2%), 0 2px 3px -2px rgba(0 0 0 / 5%);
	background-color: #fff;
}

.qa-7 summary {
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: relative;
	padding: 1em 2em 1em 3em;
	color: #333333;
	font-weight: 600;
	cursor: pointer;
}

.qa-7 summary::before,
.qa-7 p::before {
	position: absolute;
	left: 1em;
	font-weight: 600;
	font-size: 1.3em;
}

.qa-7 summary::before {
	color: #75bbff;
	content: "Q";
}

.qa-7 summary::after {
	transform: translateY(-25%) rotate(45deg);
	width: 7px;
	height: 7px;
	margin-left: 10px;
	border-bottom: 3px solid #333333b3;
	border-right: 3px solid #333333b3;
	content: '';
	transition: transform .5s;
}

.qa-7[open] summary::after {
	transform: rotate(225deg);
}

.qa-7 p {
	position: relative;
	transform: translateY(-10px);
	opacity: 0;
	margin: 0;
	padding: .3em 3em 1.5em;
	color: #333;
	transition: transform .5s, opacity .5s;
}

.qa-7[open] p {
	transform: none;
	opacity: 1;
}

.qa-7 p::before {
	color: #ff8d8d;
	line-height: 1.2;
	content: "A";
}

/* Chrome、Safari以外 */
summary {
	display: block;
}

/* Chrome、Safari */
summary::-webkit-details-marker {
	display: none;
}