#FV {
	padding: 105px 0 0 0;
}

#FV .fv-img {
	position: relative;
	background-image: url(../image/product-lineups-top.png);
	background-size: cover;
	background-position: center center;
	width: 100%;
	height: auto;
	/* aspect-ratio: 480/111; */
	overflow: hidden;
	aspect-ratio: 1600/370;
}

#FV .fv-img .bread-crumbs {
	position: absolute;
	/* top: 1vw; */
	top: 0.156vw;
	left: 10.57%;
	font-size: 0.81rem;
    display: flex;
    gap: 10px;
	margin-block: 1rem;
}

#FV .fv-img .bread-crumbs a {
	text-decoration: underline;
	text-underline-offset: 0.313vw;
	padding-bottom: 0.104vw;
	transition: all 0.3s;
}

#FV .fv-img .bread-crumbs a:hover {
	opacity: 0.5;
}

#FV .sp {
	display: none;
}

#FV .fv-img h1 {
    position: absolute;
    top: 42%;
    left: 10.57%;
    word-break: keep-all;
    font-size: clamp(24px, 2.5vw, 48px)
}

#FV .fv-img h1::first-letter {
	color: #b1000e;
}

#FV nav {
	box-shadow: 0 0.156vw 0 #f5f5f5;
}

#FV nav .nav-ul-pc {
	display: block;
}

#FV nav .nav-ul-sp {
	display: none;
}

#FV nav .nav-ul-pc {
	width: 78.2%;
	height: 3.75vw;
	margin: 0 auto;
	display: flex;
}

#FV nav .nav-ul-pc .nav-li {
	width: 33.3%;
	border-left: 0.052vw solid #f5f5f5;
}

#FV nav .nav-ul-pc .nav-li a {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
}

#FV nav .nav-ul-pc .nav-li a img {
	position: absolute;
	left: 0.052vw;
	margin-left: 1.042vw;
	width: 1.198vw;
	aspect-ratio: 1/1;
}

#FV nav .nav-ul-pc .nav-li a p {
	font-size: 0.833vw;
	font-weight: bold;
	letter-spacing: -0.052vw;
	line-height: 1.2vw;
	text-align: center;
}

#FV nav .nav-ul-pc .nav-li a p span {
	font-size: 0.781vw;
}

#FV nav .nav-ul-pc .nav-li a:hover {
	color: #fff;
	background-color: #b1000e;
}

#FV nav .nav-ul-pc .nav-li:last-child {
	border-right: 0.052vw solid #f5f5f5;
}

#FV .fv-description {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	margin: 60px 0;
	text-align: center;
}

#FV .fv-description p {
	font-size: 1rem;
	width: 80%;
	margin: 0 auto;
	line-height: 2.2;
	text-align: left;
}

#FV .fv-description img {
	margin: 1.771vw 0;
	width: 35%;
	height: auto;
	aspect-ratio: 1672/1636;
}






		/* 1080以下 */



@media screen and (max-width: 768px) {
	#FV {
		padding: 105px 0 0 0 !important;
	}
	#FV .fv-img {
		position: relative;
		background-image: url(../image/product-lineups-top.png);
		/* width: 119%; */
		width: 100%;
		overflow: hidden;
		/* 枠からはみ出した部分を隠す */
		object-fit: cover;
		object-position: 50% 50%;
		/* 画像の中心を基準に表示 */
		background-repeat: no-repeat;
		/* 画像の繰り返しをしない */
		height: auto;
		aspect-ratio: 480/111;
	}
	#FV .fv-img .bread-crumbs {
		position: absolute;
		top: -5px;
		left: 4.57%;
		font-size: 2.5vw;
	}
	#FV .fv-img .bread-crumbs a {
		text-decoration: underline;
		text-underline-offset: 6px;
		padding-bottom: 2px;
		transition: all 0.3s;
	}
	#FV .fv-img .bread-crumbs a:hover {
		opacity: 0.5;
	}
	#FV .sp {
		display: block;
	}
	
	#FV .fv-img h1 {
		position: absolute;
		top: 30%;
		left: 3.9%;
		word-break: keep-all;
		font-size: 5.5vw;
	}

	#FV .fv-img h1::first-letter {
		color: #b1000e;
	}

	#FV nav {
		box-shadow: 0 3px 0 #f5f5f5;
	}

	#FV nav .nav-ul-pc {
		display: none;
	}

	#FV nav .nav-ul-sp {
		display: block;
	}
	#FV nav .nav-ul-sp {
		/* width: 78.2%; */
		width: 100%;
		/* height: 72px; */
		/* height: 15.5vw; */
		margin: 0 auto;
		display: flex;
	}
	#FV nav .nav-ul-sp .nav-li {
		width: 33.3%;
		border-left: 1px solid #f5f5f5;
	}
	#FV nav .nav-ul-sp .nav-li a {
		/* position: relative; */
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
	}
	#FV nav .nav-ul-sp .nav-li a img {
		/* position: absolute; */
		left: 44%;
		/* bottom: -3.4vw; */
		bottom: -1.6vw;
		/* margin-left: 20px; */
		width: 3.5vw;
		aspect-ratio: 1 / 1;
		margin-bottom: 1vw;
	}
	#FV nav .nav-ul-sp .nav-li a p {
		/* font-size: 16px; */
		font-size: 2.5vw;
		font-weight: bold;
		letter-spacing: -1;
		line-height: 1.2rem;
		text-align: center;
		margin-bottom: 1vw;
	}
	#FV nav .nav-ul-sp .nav-li a p span {
		/* font-size: 2.6vw;
		line-height: 2.3rem; */
		font-size: 2.6vw;
		line-height: 1;
	}
	#FV nav .nav-ul-sp .nav-li:hover {
		background-color: #b1000e;
		a {
			color: #fff;
		}
	}
	#FV nav .nav-ul-sp .nav-li:last-child {
		border-right: 1px solid #f5f5f5;
	}
	#FV .fv-description {
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		/* margin: 42px 0; */
		/* margin: 35px 0; */
		margin: 32px 0;
		text-align: center;
		padding: 0 3.8%;
	}
	#FV .fv-description p {
		font-size: 16px;
		/* width: 80%; */
		width: 100%;
		margin: 0 auto;
		line-height: 32px;
		text-align: justify;
	}
	#FV .fv-description img {
		/* margin: 34px 0;
		width: 35%; */
		/* margin: 16px 0; */
		margin: 1vw 0 4vw 0;
		width: 61%;
		height: auto;
		aspect-ratio: 1672/1636;
	}
}


.to-top {
	position: fixed;
	bottom: 5%;
	right: 2.5%;
	z-index: 100;
}

#maintenance .maintenance__wrapper .maintenance__contents li:nth-child(3),
#maintenance .maintenance__wrapper .maintenance__contents li:nth-child(4),
#maintenance .maintenance__wrapper .maintenance__contents li:nth-child(5) {
	height: 18.823vw;
}


 /* 3カラム動線 */
.three-columns {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	margin: 60px 0 20px 0;
}

.three-columns .column {
	flex: 1;
	border: 1px solid #ddd;
	/* padding: 0 1rem; */
	text-align: center;
	position: relative;
	text-align: center;
	box-shadow: 0 0px 11px -4px rgba(0, 0, 0, 0.15);
	border:1px solid #f1f1f1;
	border-radius: 4px;

}

.three-columns .column:hover {
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
	
}
.three-columns .column .icon-image {
	position: absolute;
	right: 10px;
	bottom: 10px;
	width: 16px;
	height: 20px;
	transition: filter 0.3s;
}
/* ホバー時の効果例（ここでは brightness を変更） */
.three-columns .column:hover .icon-image {
	fill: #ffffff;
}

  .three-columns .column p {
	margin: 0;
	padding: 10px;
	transition: background-color 0.3s, color 0.3s;
  }
  /* アイコン画像の基本設定 */
  .three-columns .icon-image {
	vertical-align: middle;
	transition: opacity 0.3s;
  }
  /* 通常時は icon-normal を表示し、icon-hover を非表示 */
  .three-columns .icon-hover {
	display: none;
  }
  /* ホバー時のスタイル */
  .three-columns .column:hover p {
	color: #ffffff;
  }
  .three-columns .column:hover .icon-normal {
	display: none;
  }
  .three-columns .column:hover .icon-hover {
	display: inline-block;
  }


.three-columns .column .main-image {

	border-bottom: 1px solid #e9e9e9; /* グレーの線（色はお好みで調整） */
}

.three-columns .column img {
	width: 100%;
	height: auto;
}

.three-columns .column p {
	display: flex;
	justify-content: center;
	align-items: center;
	/* padding-top: 10px; */
	height: 100px; 
	font-size: 16px;
	line-height: 1.5;
	color: rgb(64, 64, 64);
}

.three-columns ul {
	padding: 1rem 1rem 1rem 1.5rem;
	text-align: left;
}
.three-columns ul li {
	padding-bottom: 2%;
	font-size: 14px;
}
.three-columns ul li:last-child {
	padding-bottom: 0;
}
.three-columns ul li:before {
	content: ""; 
	width: 6px;
	height: 6px;
	display: inline-block;
	background-color: #ddd;
	border-radius: 50%;
	margin-right: 3px;
}
/* liとその:before要素のホバー時のスタイル */
.column:hover ul li {
	color: #ffffff;
  }
  .column:hover ul li:before {
	background-color: #ffffff;
  }

.three-columns-detail .column:hover {
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.three-columns-detail .column .icon-image {
	position: absolute;
	right: 10px;
	bottom: 10px;
	width: 16px;
	height: 20px;
	transition: filter 0.3s;
}



main {
	max-width: 2160px;
	margin: 0 auto; /* 横中央配置 */
	padding-left: 10%;
	padding-right: 10%;
}



.three-columns-detail {
	display: grid;
	gap: 20px;
	/* デフォルトはスマホサイズ（1カラム） */
	grid-template-columns: 1fr;
  }
  /* 481px以上の場合は2カラム */
  @media screen and (min-width: 481px) {
	.three-columns-detail {
	  grid-template-columns: repeat(2, 1fr);
	}
  }
  /* 630px以上の場合は3カラム */
  @media screen and (min-width: 630px) {
	.three-columns-detail {
	  grid-template-columns: repeat(3, 1fr);
	}
  }

.three-columns-detail {
	display: grid;
	/* 3列分のグリッド。アイテムが3つの場合は各列がコンテナ幅の1/3に広がります */
	gap: 20px; /* カラム間の隙間 */
	/* 不足分の列がある場合、左に揃える（右側に空白ができる） */
	justify-content: start;
  }
  /* 各カラム内のスタイルは必要に応じて調整 */
  .three-columns-detail .column {
	box-sizing: border-box;
	/* padding: 0 1rem; */
	text-align: center;
	position: relative;
	text-align: center;
	box-shadow: 0 0px 11px -4px rgba(0, 0, 0, 0.15);
	border-radius: 4px;

	/* 各 column の中身は自由に調整してください */
  }
  /* 例：画像やアイコンのスタイル */
  .three-columns-detail .main-image {
	width: 100%;
	display: block;
  }
  .three-columns-detail .icon-image {
	vertical-align: middle;
  }
  .three-columns-detail .icon-hover {
	display: none;
  }
  .three-columns-detail .column:hover .icon-normal {
	display: none;
  }
  .three-columns-detail .column:hover .icon-hover {
	display: inline-block;
  }
  .three-columns .column p {
	display: flex;
	justify-content: center;
	align-items: center;
	/* padding-top: 10px; */
	height: 100px; 
	font-size: 16px;
	line-height: 1.5;
	color: rgb(64, 64, 64);
}

.three-columns-detail ul {
	padding: 1rem 1rem 1rem 1.5rem;
	text-align: left;
}
.three-columns-detail ul li {
	padding-bottom: 2%;
	font-size: 13px;
}
.three-columns-detail ul li:last-child {
	padding-bottom: 0;
}
.three-columns-detail ul li:before {
	content: ""; 
	width: 7px;
	height: 7px;
	display: inline-block;
	background-color: #b3bbbe;
	border-radius: 50%;
	margin-right: 9px;
}

.three-columns-detail .icon-image {
	vertical-align: middle;
	transition: opacity 0.3s;
  }
  /* 通常時は icon-normal を表示し、icon-hover を非表示 */
  .three-columns-detail .icon-hover {
	display: none;
  }
  /* ホバー時のスタイル */
  .three-columns-detail .column:hover p {
	color: #ffffff;
  }
  .three-columns-detail .column:hover .icon-normal {
	display: none;
  }
  .three-columns-detail .column:hover .icon-hover {
	display: inline-block;
  }

  .three-columns-detail .column .main-image {
	border-bottom: 1px solid #e9e9e9; /* グレーの線（色はお好みで調整） */
}


@media (max-width: 768px) {
	main {
		padding-left: 3%;
		padding-right: 3%;
	}
}


 /* 4カラム動線 */
.four-columns {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-gap: 20px;
}

@media (max-width: 1400px) {
	.four-columns {
		grid-template-columns: repeat(3, 1fr);
	}
}
@media (max-width: 1024px) {
	.four-columns {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (max-width: 600px) {
	.four-columns {
		grid-template-columns: 1fr;
	}
}

.four-columns .column {
	position: relative;
	padding:36px 28px;
	text-align: center; /* 内部のテキストや子要素を中央揃え */
	box-shadow: 0 0px 11px -4px rgba(0, 0, 0, 0.15);
	border:1px solid #f1f1f1;
	border-radius: 4px;
}
.four-columns .column .text {
	font-size: 16px;
	display: inline-block;
}
.four-columns .column .arrow {
	color: #b1000e ;
    font-size: 1.5em;
    font-weight: bold;
    position: absolute;
    right: 10px;
    top: 33%;
}

a {
	display: block;
	text-decoration: none;
	transition: background-color 0.3s;
  }

  .arrow img {
    width :8px;
	height :13px;
  }
  
/* 通常時：最初の矢印（赤）を表示、2つ目の矢印（白）を非表示 */
.column .arrow:first-of-type {
	display: inline-block;
  }
  .column .arrow:last-of-type {
	display: none;
  }
  /* ホバー時 */
  .column:hover {
	background-color: #b1000e;
  }
  
  a:hover .text {
	color: #ffffff;
  }
  /* ホバー時に矢印を切り替え */
  a:hover .column .arrow:first-of-type {
	display: none;
  }
  a:hover .column .arrow:last-of-type {
	display: inline-block;
  }



/* レスポンシブ設定：画面幅768px以下の場合 */
@media (max-width: 768px) {
	.three-columns,
	.four-columns {
		flex-direction: column;
		gap: 10px;
	}
}

@media (max-width: 1024px) {
	.three-columns .column p,
	.four-columns .column .text {
		font-size: 16px;
	}
}





 /* 3カラム動線 追加 */
.three-columns_power {
	display: flex;
	justify-content: flex-start;
	gap: 20px;
	margin: 20px 0;
}

.three-columns_power .column {
	width: 33%;
	max-width: 33%;
	flex: 1;
	border: 1px solid #ddd;
	position: relative;
	padding-right: .5%;
}
.three-columns_power .column:last-child {
	padding-right: 0;
}
.three-columns_power .column .icon-image {
	position: absolute;
	right: 10px;
	bottom: 10px;
	width: 20px;
	height: 20px;
	transition: filter 0.3s;
}
.three-columns_power .column_1st {
	display: flex;
	align-items: center;
	padding: 0 1rem 0 1.5rem;
}
.three-columns_power .column_1st p {
	width: 50%;
}
.three-columns_power ul {
	padding: 1rem 1rem 2rem 1.5rem;
	border-top: 1px solid #ddd;
}
.three-columns_power ul li {
	padding-bottom: 0.6rem;
	font-size: 14px;
}
.three-columns_power ul li:last-child {
	padding-bottom: 0;
}
.three-columns_power ul li:before {
	content: ""; 
	width: 6px;
	height: 6px;
	display: inline-block;
	background-color: #ddd;
	border-radius: 50%;
	margin-right: 3px;
}

.product_all a {
	background-color: #b1000e;
	color: #fff;
	font-size: 18.5px;
	width: 248px;
	aspect-ratio: 561 / 125;
	display: flex;
	justify-content: space-around;
	align-items: center;
	transition: all 0.3s;
	margin: 59px auto;
}
.product_all a span {
	display: inline-block;
	margin: 0 auto 0 38px;
}
.product_all a img {
	margin: 0 9.7% 0 auto;
	width: 6px;
	transition: all 0.3s;
}
.product_all a:hover {
	background-color: #7e000a;
}
.product_all a:hover img {
	margin: 0 7.7% 0 auto;
}
/* ホバー時の効果例（ここでは brightness を変更） */
.three-columns_power .column:hover .icon-image {
	fill: #ffffff;
}

.three-columns_power .column img {
	display: block;
	width: 100%;
	height: auto;
}

.three-columns_power .column p {
	font-size: 16px;
}
h2 {
	margin: 0 0 5px;
	padding: 0 0 10px 0;
	background: url(https://www.hitachi.co.jp/image/jp/r1/balloon_down.gif) no-repeat 40px bottom;
}
h2 span {
	display: block;
	padding: 10px 15px;
	font-size: 110%;
	font-weight: bold;
	color: #575757;
	line-height: 130%;
	background-color: #f2f2f2;
}
/* 6カラム動線 追加 */
.six-columns_product {
	display: flex;
	justify-content: flex-start;
	gap: 20px;
	margin: 20px 0;
}

.six-columns_product .column {
	width: 15%;
	max-width: 15%;
	flex: 1;
	border: 1px solid #ddd;
	position: relative;
	padding-right: .5%;
}
.six-columns_product .column:last-child {
	padding-right: 0;
}
.six-columns_product .column .icon-image {
	position: absolute;
	right: 10px;
	bottom: 10px;
	width: 20px;
	height: 20px;
	transition: filter 0.3s;
}
.six-columns_product .column a {
	background-color: #fff;
	font-size: 14px;
	width: 100%;
	aspect-ratio: 561/125;
	margin: 0 auto;
	display: flex;
	justify-content: space-around;
	align-items: center;
	transition: all 0.3s;
	margin: 1rem auto;
}
.six-columns_product .column a span {
	display: inline-block;
	margin: 0 auto 0 1rem;
}
.six-columns_product .column a img {
	margin: 0 3% 0 5px;
	width: 8px;
	transition: all 0.3s;
}


 /* レスポンシブ設定：画面幅768px以下の場合 */
  @media (max-width: 768px) {
	.three-columns_power {
		flex-direction: column;
		gap: 10px;
	}
	  .three-columns_power .column {
		  width: 100%;
		  max-width: 100%;
	  }
	  .product_all a {
			background-color: #b1000e;
		color: #fff;
		font-size: 3.3vw;
		width: 40.6vw;
		aspect-ratio: 561 / 136;
		display: flex;
		justify-content: space-around;
		align-items: center;
		transition: all 0.3s;
		margin: 4vw auto;
	}
	  .product_all a span {
		display: inline-block;
		margin: 0 auto 0 3.8vw;
	}
	 .product_all a img {
		margin: 0 9.7% 0 auto;
		width: 1.1vw;
		transition: all 0.3s;
	}
	  .six-columns_product {
		  display: block
	  }
	  .six-columns_product .column {
	  	width: 100%;
	  	max-width: 100%;
  	}
	  .six-columns_product .column a {
		aspect-ratio: auto;
	  }
  }

  @media (max-width: 1024px) {
	.three-columns_power .column p {
	  font-size: 16px;
	}
  }