@charset "UTF-8";


.useful_detail .wrap_breadcrumb .pc-only {
	display: none;
}
.useful_detail .wrap_breadcrumb a {
	color: currentColor;
}

.useful_detail .wrap,
.useful_detail .lead,
.useful_detail .txt {
	font-size: 18px;
}
.useful_detail .wrap {
	padding: 80px 10%;
	max-width: 1200px;
	color: #20222b;
}

.useful_detail .flex {
	margin-bottom: 40px;
	width: 100%;
}
.useful_detail .flex .img-box {
	flex: 1;
	margin-left: 20px;
}
.useful_detail .flex .img-box img {
	margin: 0;
}
.useful_detail .flex p,
.useful_detail .conts,
.useful_detail .txt {
	flex: 1;
	line-height: 1.8;
	text-align: left;
	word-break: break-word;
}
.useful_detail .lead {
	margin-bottom: 60px;
	line-height: 1.8;
	text-align: start;
}
.useful_detail .conts {
	width: 100%;
	max-width: 865px;
}
.useful_detail h1,
.useful_detail h2,
.useful_detail h3 {
	margin-bottom: 20px;
	font-weight: bold;
	text-align: start;
}
.useful_detail h1 {
	padding: 0;
	color: #002676;
	font-size: min(32px, 7.6vw);
}
.useful_detail h2 {
	padding-left: 10px;
	font-size: 28px;
	border-left: 10px solid #002676;
}
.useful_detail h3 {
	font-size: 23px;
	line-height: 1.5;
}

.useful_detail strong {
	color: red;
}
.useful_detail .b {
	color: #000;
}
.useful_detail .blue {
	color: #00f;
}
.sublead {
	height: 4em;
}
.subtitle {
	display: inline-block;
	margin-bottom: 15px;
	padding: 0.5rem 1rem;
	color: #fff;
	font-size: 14px;
	font-weight: 500;
	background: #002676;
	border-radius: 50px;
}

.useful_detail img {
	margin: 20px 0;
	/* border: 1px solid #002676; */
}
figure > img + br {
	display: none;
}

.scrollBox {
	display: flex;
	height: 550px;
	overflow-x: scroll;
}
.scrollBox img {
	margin: 0;
	width: auto;
	max-width: none;
	height: 100%;
}

.useful_detail .txt {
	margin-bottom: 40px;
}
.useful_detail .box {
	margin-bottom: 20px;
	padding: 1em;
	border: 2px solid #15347a;
}
.useful_detail a {
	color: #00e;
}

/* CTAボタン */
.useful_detail .cta {
	margin-bottom: 50px;
	text-align: center;
}
.useful_detail .cta-button {
	padding: 15px 30px;
	color: #FFF;
	font-size: 18px;
	font-weight: bold;
	background-color: #d7000f;
	transition: background-color 0.3s ease;
}
.useful_detail .cta-button:hover {
	background-color: #a00;
}

.pc {
	display: block !important;
}
.sp {
	display: none !important;
}

.scroll-exp {
	margin-top: 5px;
	font-weight: 500;
	text-align: center;
}

.blue-line {
	margin: 20px 0;
	padding-bottom: 30px;
	border: 1px solid #002676;
}

/* 20260603 m12-03 */
.relatedPost {}
.m12-03 {
	width: 100%;
	border-collapse: collapse;
}
.m12-03 th,
.m12-03 td {
	padding: 0.3rem;
}
.m12-03 th {
	background: var(--paleblue);
}
.m12-03 tr:nth-child(even) td {
	background: #f8f8f8;
}

/* 20260612 m14 */
.box_gray {
	margin:20px 0;
	padding:10px;
	line-height: 1.4;
	background-color:#f5f5f5;
	border:1px solid #ddd;
	border-radius:5px;
}

@media (max-width: 767px) {
	.wrap_breadcrumb li {
		font-size: min(1rem, 4vw);
	}
	.useful_detail .wrap {
		padding: 40px 5%;
		font-size: 16px;
		max-width: 100%;
	}
	.useful_detail h3 {
		font-size: 20px;
	}
	.useful_detail .flex {
		display: block;
	}
	.useful_detail .flex .img-box {
		margin: 0;
	}
	.useful_detail .cta-button {
		display: block;
		border-radius: 10px;
	}

	.pc {
		display: none !important;
	}
	.sp {
		display: block !important;
	}
}