:root {
	--light-blue: #E1F2F9;
	--main-blue: #1C61C9;
}

section:not(.stickynav) {
	margin-bottom: 80px;
}

.hd01 {
	margin-bottom: 30px;
}

/* sec01 */
.sec01 .sec01_01 {
	text-align: center;
}

.sec01 .main_area {
	overflow: unset;
}

.sec01 .sec01_01 .time {
	background: var(--light-blue);
	font-size: 16px;
	line-height: 40px;
	padding-inline: 16px;
	color: var(--main-blue);
	display: inline-block
}

.sec01 .sec01_01 .time span {
	font-weight: bold;
	margin-right: 16px;
}

.sec01 .sec01_01 .num {
	display: flex;
	justify-content: center;
	align-items:baseline;
	gap: 4px;
	margin-top: 12px;
}

.sec01 .sec01_01 .num p {
	background: linear-gradient(180deg, #7ECEF7 0%, #B496CD 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
	font-family: "Noto Serif JP", serif;
	font-weight: 900;
	font-size: 20px;
	line-height: 1;
	opacity: 0.65;
}

.sec01 .sec01_01 .num p.main {
	font-size: 120px;
}

.sec01 .sec01_01 .num p.percent {
	font-size: 60px;
}

.sec01 .sec01_01 > p:not([class]) {
	margin-top: 28px;
}

.sec01 .sec01_02 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	margin-top: 40px;
	gap: 20px;
}

.sec01 .sec01_02 .item {
	text-align: center;
	padding: 40px 20px 60px;
	box-shadow: 4px 4px 12px rgba(0,0,0,0.25);
	border: 1px solid #999;
	border-radius: 8px;
}

.sec01 .sec01_02 .item h3 {
	margin-block: 0 36px;
	text-align: center;
	line-height: 1.4;
}

.sec01 .sec01_02 .item h3::after {
	left: 50%;
	transform: translateX(-50%);
	bottom: -8px;
}

.sec01 .sec01_02 .item .details_btn {
	margin: 28px auto 0;
}

.sec01 .sec01_02 .item .details_btn a {
	font-size: 16px;
}

@media screen and (max-width: 768px) {
	.sec01 .sec01_01 .time {
		font-size: 14px;
		padding-inline: 14px;
	}
	.sec01 .sec01_02 {
		grid-template-columns: 1fr;;
	}
}

/* sec02 */
.sec02_02 {
	border: 1px solid #B2B2B2;
	border-radius: 16px;
	padding: 24px;
	margin-top: 30px;
	text-align: center;
}

.sec02_02 h3 {
	margin: unset;
	text-align: center;
	color: var(--main-blue);
	font-size: 20px;
	line-height: 1.4;
	font-weight: bold;
}

.sec02_02 h3::after {
	content: none;
}

.sec02_02 .equation {
	display: flex;
	justify-content: center;
	gap: 16px;
	align-items: center;
	margin-top: 24px;
}

.sec02_02 .equation .item {
	background: var(--light-blue);
	line-height: 1.75;
	padding: 8px 12px;
	text-align: left;
}

.sec02_02 .equation .symbol {
	color: var(--main-blue);
	font-size: 24px;
	line-height: 1.4;
	font-weight: bold;
}

.sec02_02 .equation .symbol_flex {
	display: flex;
	gap: 8px;
	align-items: center;
}

.sec02_02 .equation .solution {
	background: var(--main-blue);
	color: #fff;
	font-size: 24px;
	line-height: 1.4;
	font-weight: bold;
	padding: 16px 24px;
}

.sec02_02 p:not([class]) {
	margin-top: 24px;
}

.sec02_02-1 p.caution {
	margin-top: 8px;
}

.sec02_03 {
	margin-top: 32px;
}

.sec02_03 dl {
	width: 100%;
	display: flex;
	border-top: 1px solid #000;
}

.sec02_03 dl:nth-child(4) {
	border-bottom: 1px solid #000;
}

.sec02_03 dl dt {
	background: var(--light-blue);
	padding: 8px 20px;
	border-right: 1px solid #000;
	border-left: 1px solid #000;
	width: 20%;
	display: flex;
	align-items: center;
}

.sec02_03 dl dd {
	padding: 12px 20px;
	border-right: 1px solid #000;
	flex: 1;
	display: flex;
	align-items: center;
}

.sec02_03 p {
	margin-top: 16px;
}

@media screen and (max-width: 768px) {
	.sec02_02 .equation,
	.sec02_02 .equation .symbol_flex {
		flex-direction: column;
	}
}

.sec03 a {
	color: var(--main-blue);
}

.sec05 .main_area h2.hd01 {
	margin: unset;
	text-align: unset;
}