@charset "utf-8";

/*　メインビジュアル　================================== */
.mv {
	max-width: 1920px;
	min-width: 1280px;
	height: 800px;
	margin: 0 auto;
	position: relative;
	overflow: hidden;
}
.mv-slide {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	transition: opacity 2s ease;
	z-index: 1;
}
.mv-slide.is-active {
	opacity: 1;
	z-index: 2;
}
.mv-slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.mv-content {
	position: absolute;
	bottom: 20%;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	align-items: center;
	gap: 20px;
	z-index: 10;
}
.mv-chara-sun {
	position: relative;
	z-index: 2;
	align-self: flex-end;
	transform: translate(20px, -60px);
}
.mv-chara-sun img {
	width: 246px;
}
.mv-title {
	font-size: 53px;
	color: #fff;
	background-color: rgba(0, 7, 99, 0.8);
	width: 700px;
	height: 86px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-weight: 900;
	white-space: nowrap;
	position: relative;
	z-index: 1;
}
.mv-chara-dam {
	position: relative;
	z-index: 2;
	align-self: flex-end;
	transform: translateY(-60px);
}
.mv-chara-dam img {
	width: 288px;
}

/*　新着情報　================================== */
.news {
	background-color: #d4f7ff;
	padding: 80px 0;
}
.news-inner {
	max-width: 1920px;
	min-width: 1280px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.news-title {
	width: 1100px;
	height: 74px;
	background-color: #6cf;
	border-radius: 37px;
	font-size: 36px;
	font-weight: 700;
	color: #000763;
	display: flex;
	justify-content: center;
	align-items: center;
	margin-bottom: 50px;
	letter-spacing: 0.2em;
}
.news-list-wrap {
	width: 900px;
	margin-bottom: 50px;
}
.news-list {
	border-top: 1px solid #6cf;
	border-bottom: 1px solid #6cf;
}
.news-item {
	border-bottom: 1px solid #6cf;
}
.news-item:last-child {
	border-bottom: none;
}
.news-link {
	display: flex;
	align-items: flex-start;
	padding: 20px 0;
	text-decoration: none;
	width: 840px;
	margin: 0 auto;
}
.news-link:hover .news-text {
	text-decoration: underline;
}
.news-date {
	font-size: 16px;
	color: #000763;
	background-color: #fff;
	padding: 5px 20px;
	border-radius: 20px;
	margin-right: 15px;
	flex-shrink: 0;
}
.news-text {
	font-size: 18px;
	color: #000763;
	line-height: 1.6;
	margin-top: 2px;
}
.news-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: #000763;
	color: #fff;
	font-size: 18px;
	font-weight: 700;
	height: 60px;
	width: 300px;
	border-radius: 30px;
	text-decoration: none;
	position: relative;
	transition: background-color 0.5s ease;
}
.news-btn:hover {
	background-color: #162699;
}
.news-btn::after {
	content: "";
	position: absolute;
	right: 20px;
	top: 50%;
	transform: translateY(-50%);
	width: 24px;
	height: 24px;
	background-image: url('../img/btn_arr.png');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

/*　ダム再生とは　================================== */
.about-renewal {
	background-color: #edefd8;
	padding: 135px 0 250px;
}
.about-renewal-inner {
	max-width: 1920px;
	min-width: 1280px;
	margin: 0 auto;
	display: flex;
	justify-content: center;
}
.about-renewal-container {
	position: relative;
	width: 1280px;
	display: flex;
	justify-content: center;
}
.about-renewal-content {
	width: 1100px;
	background-color: #d4f7ff;
	border-radius: 30px;
	padding: 60px 100px;
	text-align: center;
	position: relative;
	z-index: 1;
}
.about-renewal-title {
	font-size: 42px;
	color: #000763;
	font-weight: 700;
	margin-bottom: 40px;
	position: relative;
	display: inline-block;
}
.about-renewal-title::after {
	content: "";
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 235px;
	height: 10px;
	background: linear-gradient(to bottom, #0e62a9 50%, #000763 50%);
}
.about-renewal-text {
	font-size: 16px;
	line-height: 2;
	text-align: left;
}
.about-renewal-chara-sun {
	position: absolute;
	left: 0;
	bottom: -140px;
	z-index: 2;
}
.about-renewal-chara-sun img {
	width: 180px;
}
.about-renewal-chara-dam {
	position: absolute;
	right: 0;
	bottom: -140px;
	z-index: 2;
}
.about-renewal-chara-dam img {
	width: 198px;
}

/*　旭川ダムについて　================================== */
.asahigawa {
	background: #d4f7ff url('../img/wave.svg') no-repeat center bottom;
	padding: 160px 0 250px;
}
.asahigawa-inner {
	max-width: 1920px;
	min-width: 1280px;
	margin: 0 auto;
	display: flex;
	justify-content: center;
}
.asahigawa-container {
	position: relative;
	width: 1280px;
	display: flex;
	justify-content: center;
}
.asahigawa-chara-dam {
	position: absolute;
	left: 0;
	top: -140px;
	z-index: 2;
}
.asahigawa-chara-dam img {
	width: 267px;
}
.asahigawa-content {
	width: 1100px;
	background-color: #fff;
	border-radius: 30px;
	padding: 60px 100px;
	position: relative;
	z-index: 1;
}
.asahigawa-title {
	font-size: 42px;
	color: #000763;
	font-weight: 700;
	margin-bottom: 60px;
	position: relative;
	display: inline-block;
	text-align: center;
	width: 100%;
}
.asahigawa-title::after {
	content: "";
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 235px;
	height: 10px;
	background: linear-gradient(to bottom, #0e62a9 50%, #000763 50%);
}
.sub-title {
	font-size: 30px;
	color: #0768ab;
	font-weight: 700;
	display: flex;
	align-items: center;
	margin-bottom: 20px;
}
.sub-title img {
	width: 55px;
	margin-right: 10px;
}
.text {
	font-size: 16px;
	line-height: 2;
}
.river-area {
	margin-bottom: 60px;
}
.river-area-flex {
	display: flex;
	justify-content: space-between;
	gap: 40px;
}
.river-area-flex .text {
	flex: 1;
}
.river-area-flex .image img {
	width: 400px;
}
.dam-details-flex {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 40px;
	margin-top: 30px;
}
.dam-details-flex .image img {
	width: 450px;
}
.dam-table {
	width: 100%;
	flex: 1;
	border-collapse: collapse;
}
.dam-table th, .dam-table td {
	padding: 15px 20px;
	font-size: 16px;
	text-align: left;
}
.dam-table tr:nth-child(odd) {
	background-color: #eefbff;
}
.dam-table tr:nth-child(even) {
	background-color: #d4f7ff;
}
.dam-table th {
	width: 40%;
	font-weight: normal;
}
.asahigawa-chara-sun {
	position: absolute;
	right: 0;
	bottom: -140px;
	z-index: 2;
}
.asahigawa-chara-sun img {
	width: 228px;
}

/*　事業内容　================================== */
.business {
	background-color: #edefd8;
	padding: 160px 0 250px;
}
.business-inner {
	max-width: 1920px;
	min-width: 1280px;
	margin: 0 auto;
	display: flex;
	justify-content: center;
}
.business-container {
	position: relative;
	width: 1280px;
	display: flex;
	justify-content: center;
}
.business-chara-sun {
	position: absolute;
	left: 0;
	top: -140px;
	z-index: 2;
}
.business-chara-sun img {
	width: 191px;
}
.business-content {
	width: 1100px;
	background-color: #eefbff;
	border-radius: 30px;
	padding: 60px 100px;
	position: relative;
	z-index: 1;
}
.business-title {
	font-size: 42px;
	color: #000763;
	font-weight: 700;
	margin-bottom: 60px;
	position: relative;
	display: inline-block;
	text-align: center;
	width: 100%;
}
.business-title::after {
	content: "";
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 235px;
	height: 10px;
	background: linear-gradient(to bottom, #0e62a9 50%, #000763 50%);
}
.business-images {
	display: flex;
	justify-content: center;
	align-items: flex-end;
	gap: 30px;
	margin-bottom: 30px;
}
.business-images .image-box {
	text-align: center;
}
.business-images .image-box:first-child img {
	width: 425px;
}
.business-images .image-box:last-child img {
	width: 414px;
}
.notes {
	margin-top: 20px;
	font-size: 14px;
	line-height: 1.8;
}
.business-chara-dam {
	position: absolute;
	right: 0;
	bottom: -140px;
	z-index: 2;
}
.business-chara-dam img {
	width: 285px;
}

/*　パンフレット　================================== */
.pamphlet {
	background-color: #0e62a9;
	padding: 60px 0;
	text-align: center;
}
.pamphlet-inner {
	max-width: 1920px;
	min-width: 1280px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.pamphlet-text {
	color: #fff;
	font-size: 16px;
	font-weight: 700;
	margin-bottom: 20px;
}
.pamphlet-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: #000763;
	color: #fff;
	font-size: 18px;
	font-weight: 700;
	height: 60px;
	width: 300px;
	border-radius: 30px;
	text-decoration: none;
	position: relative;
	transition: background-color 0.5s ease;
	padding-right: 5px;
}
.pamphlet-btn:hover {
	background-color: #162699;
}
.pamphlet-btn::after {
	content: "";
	position: absolute;
	right: 20px;
	top: 52%;
	transform: translateY(-50%);
	width: 30px;
	height: 30px;
	background-image: url('../img/btn_book.svg');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

/*　タブレット版 (1024px - 768px)　================================== */
@media screen and (max-width: 1024px) {
	
	/* メインビジュアル */
	.mv {
		min-width: 100%;
		width: 100%;
		height: 600px;
	}
	.mv-slide img {
		width: 100%;
		height: 100%;
		object-fit: cover;
	}
	.mv-content {
		width: 100%;
		padding: 0 20px;
		box-sizing: border-box;
		justify-content: center;
		align-items: flex-end;
	}
	.mv-chara-sun {
		transform: translateY(-20px);
		align-self: flex-end;
	}
	.mv-chara-sun img {
		width: 150px;
	}
	.mv-title {
		font-size: 4vw;
		width: 60vw;
		height: auto;
		padding: 15px 0;
	}
	.mv-chara-dam {
		transform: translateY(-20px);
		align-self: flex-end;
	}
	.mv-chara-dam img {
		width: 170px;
	}

	/* 新着情報 */
	.news-inner {
		min-width: 100%;
		padding: 0 20px;
	}
	.news-title {
		width: 100%;
	}
	.news-list-wrap {
		width: 100%;
	}
	.news-link {
		width: 100%;
	}

	/* ダム再生とは */
	.about-renewal {
		padding: 60px 0 90px;
	}
	.about-renewal-inner {
		min-width: 100%;
		padding: 0 20px;
	}
	.about-renewal-container {
		width: 100%;
	}
	.about-renewal-content {
		width: 100%;
		padding: 40px 50px;
	}
	.about-renewal-chara-sun {
		bottom: auto;
		top: 140px;
		left: 20px;
		transform: translateY(-100%);
	}
	.about-renewal-chara-sun img {
		width: 140px;
	}
	.about-renewal-chara-dam {
		bottom: auto;
		top: 140px;
		right: 20px;
		transform: translateY(-100%);
		display: block;
	}
	.about-renewal-chara-dam img {
		width: 150px;
	}

	/* 旭川ダムについて */
	.asahigawa {
		padding: 60px 0 90px;
	}
	.asahigawa-inner {
		min-width: 100%;
		padding: 0 20px;
	}
	.asahigawa-container {
		width: 100%;
	}
	.asahigawa-content {
		width: 100%;
		padding: 40px 50px;
	}
	.asahigawa-chara-dam {
		display: block;
		top: 140px;
		left: 20px;
		transform: translateY(-100%);
	}
	.asahigawa-chara-dam img {
		width: 170px;
	}
	.asahigawa-chara-sun {
		display: block;
		bottom: 150px;
		right: 20px;
		transform: translateY(100%);
	}
	.asahigawa-chara-sun img {
		width: 160px;
	}
	.river-area-flex {
		flex-direction: column;
	}
	.river-area-flex .image img {
		width: 100%;
		max-width: 400px;
		margin: 0 auto;
		display: block;
	}
	.dam-details-flex {
		flex-direction: column;
	}
	.dam-details-flex .image img {
		width: 100%;
		max-width: 450px;
	}

	/* 事業内容 */
	.business {
		padding: 60px 0 90px;
	}
	.business-inner {
		min-width: 100%;
		padding: 0 20px;
	}
	.business-container {
		width: 100%;
	}
	.business-content {
		width: 100%;
		padding: 40px 50px;
	}
	.business-chara-sun {
		display: block;
		top: 140px;
		left: 20px;
		transform: translateY(-100%);
	}
	.business-chara-sun img {
		width: 140px;
	}
	.business-chara-dam {
		display: block;
		bottom: 80px;
		right: 20px;
		transform: translateY(100%);
	}
	.business-chara-dam img {
		width: 150px;
	}
	.business-images {
		flex-direction: column;
		align-items: center;
	}
	.business-images .image-box {
		width: 100%;
	}
	.business-images .image-box:first-child img,
	.business-images .image-box:last-child img {
		width: 100%;
		max-width: 425px;
	}

	/* パンフレット */
	.pamphlet-inner {
		min-width: 100%;
		padding: 0 20px;
	}
}

/*　スマホ版 (768px)　================================== */
@media screen and (max-width: 768px) {

	/* メインビジュアル */
	.mv {
		height: 400px;
	}
	.mv-content {
		bottom: 10%;
		gap: 10px;
		flex-wrap: wrap;
		justify-content: space-between;
		align-items: flex-end;
		width: 100%;
		padding: 0 20px;
	}
	.mv-chara-sun img {
		width: 80px;
	}
	.mv-title {
		font-size: 4.2vw;
		width: 100%;
		height: auto;
		padding: 5px 0;
		order: 3;
		margin-top: -35px;
		box-sizing: border-box;
	}
	.mv-chara-dam img {
		width: 90px;
	}

	/* 新着情報 */
	.news-title {
		font-size: 24px;
		height: 50px;
	}
	.news-link {
		flex-direction: column;
	}
	.news-date {
		margin-bottom: 10px;
	}

	/* ダム再生とは */
	.about-renewal {
		padding: 50px 0 70px;
	}
	.about-renewal-content {
		padding: 30px 20px;
	}
	.about-renewal-title {
		font-size: 28px;
		margin-bottom: 40px;
	}
	.about-renewal-title::after {
		width: 150px;
	}
	.about-renewal-chara-sun {
		top: 80px;
		left: -15px;
		transform: translateY(-100%);
	}
	.about-renewal-chara-sun img {
		width: 80px;
	}
	.about-renewal-chara-dam {
		top: 80px;
		right: -15px;
		transform: translateY(-100%);
	}
	.about-renewal-chara-dam img {
		width: 90px;
	}

	/* 旭川ダムについて */
	.asahigawa {
		padding: 50px 0 70px;
	}
	.asahigawa-content {
		padding: 30px 20px;
	}
	.asahigawa-title {
		font-size: 28px;
		margin-bottom: 40px;
	}
	.asahigawa-title::after {
		width: 150px;
	}
	.sub-title {
		font-size: 20px;
	}
	.sub-title img {
		width: 30px;
	}
	.asahigawa-chara-dam {
		top: 35px;
		left: -15px;
		transform: translateY(-100%);
	}
	.asahigawa-chara-dam img {
		width: 90px;
	}
	.asahigawa-chara-sun {
		bottom: 120px;
		right: -15px;
		transform: translateY(100%);
	}
	.asahigawa-chara-sun img {
		width: 90px;
	}
	.dam-table th {
		padding: 10px 5px 10px 10px;
		font-size: 13px;
	}
	.dam-table td {
		padding: 10px 10px 10px 0;
		font-size: 13px;
	}

	/* 事業内容 */
	.business {
		padding: 50px 0 70px;
	}
	.business-content {
		padding: 30px 20px;
	}
	.business-title {
		font-size: 28px;
		margin-bottom: 40px;
	}
	.business-title::after {
		width: 150px;
	}
	.business-chara-sun {
		top: 80px;
		left: -15px;
		transform: translateY(-100%);
	}
	.business-chara-sun img {
		width: 80px;
	}
	.business-chara-dam {
		bottom: 50px;
		right: -15px;
		transform: translateY(100%);
	}
	.business-chara-dam img {
		width: 90px;
	}
}