@charset "utf-8";
/*-------------------------------------------------------------------
	hero img
-------------------------------------------------------------------*/
.hero_img{
	position: absolute;
	z-index: 1;
}

.hero_full {
	position: relative;
	width: 100%;
	height: 65vw;
}
.slogan_box {
	font-size: 1.8rem;
	letter-spacing: 0.02em;
	color: #fff;
	position: relative;
	top: -2rem;
	z-index: 5;
}
.slogan_box > p {
	margin: 0;
	text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}
.slogan_box>img {
	padding: 1rem;
	-webkit-filter: drop-shadow(1px 1px 3px rgba(0,0,0,0.3));
	filter: drop-shadow(1px 1px 3px rgba(0,0,0,0.3));
}
/*cover_effect*/
.cover_effect{
	height: 100vw;
    overflow: hidden;
}
.cover_effect .hero_img{
	width: 150%;
    height: auto;
    min-width: 100%;
    min-height: 100%;
    max-width: inherit;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}
.cover_effect .slogan_box{
	position: absolute;
    width: 100%;
    top: 50%;
}




@media (min-width: 992px){
	.hero_img{
		top: -8vh;
	}
	.slogan_box {
		top: -3rem;
	}

	.hero_full {
		width: 100%;
		height: 65vw;
	}
	/*cover_effect*/
	.cover_effect {
		height: 100vh;
	}

}
@media (min-width: 1400px){
	.cover_effect .hero_img{
		width: 100%;
	}
}
/*-------------------------------------------------------------------
	parts
-------------------------------------------------------------------*/
.under_ruby_title {
	font-size: 1.75rem;
	margin: 1rem 0;
	text-align: center;
}
.under_ruby_title span {
	display: block;
}
.under_ruby_title .title {
	color: #003869;
	padding-bottom: .2rem;
}
.under_ruby_title .ruby {
	font-size: .65em;
}

/*-------------------------------------------------------------------
	about business
-------------------------------------------------------------------*/
.blower_section,
.hydroelectric_section {
	color: #fff;
}
.blower_section {
	background-color: #b6e3e6;
}
.hydroelectric_section {
	background-color: #bad5e8;
}
.about_business_title {
	text-align: center;
	font-size: 1.25rem;
	padding-top: 1em;
	z-index: 5;
}
.bussiness_inner_text {
	margin: 1rem .6rem;
	padding-bottom: 1rem;
	z-index: 5;
}
.bussiness_item {
	height: 100%;
	padding: 1rem;
	position: relative;
}
.bussiness_item > * {
	display: block;
}
.bussiness_item > img {
	margin: .4rem auto;
}
.bussiness_item > span {
	margin: .4rem 0 2rem;
	text-align: center;
	font-weight: bold;
}
.bussiness_item > a {
	width: auto;
	position: absolute;
	bottom: 0;
	right: 0;
	left: 0;
	text-align: center;
}
.detail_button > .btn_inner {
	display: flex;
	width: 80%;
	max-width: 8rem;
	height: 2rem;
	justify-content: center;
	align-items: center;
	background-color: #fff;
	margin: 0 auto;
}
.btn_inner.hydroelectric {
	color: #397ba9;
}
.btn_inner.blower {
	color: #408085;
}
.img_bg {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	background-repeat: no-repeat;
	background-size: cover;
}
.blower_section > .img_bg,
.hydroelectric_section >.img_bg {
	position: relative;
	overflow: hidden;
}
.blower_section_img,
.hydroelectric_section_img{
	position: absolute;
	width: 100%;
	top: 0;
	left: 0;
	z-index:1;
}
.introduce_list > li {
	padding-bottom: 1rem;
	border: solid #fff;
	border-width: 0 .0625rem 0 0;
}
.introduce_list > li:last-of-type {
	border-width: 0;
}
.introduce_list.four_column > li:nth-of-type(2) {
	border-right-width: 0;
}
.introduce_list.four_column > li:nth-of-type(-n+2) {
	border-bottom-width: .0625rem;
}
@media (min-width: 768px){
	.introduce_list.four_column > li:nth-of-type(2) {
		border-right-width: .0625rem;
	}
	.introduce_list.four_column > li:nth-of-type(-n+2) {
		border-bottom-width: 0;
	}
}
@media (min-width: 992px){
	.bussiness_inner_text {
		min-height: 10rem;
		margin: 1rem 2rem;
	}
	.about_business_title {
		padding-top: 2em;
	}
	.introduce_list {
		height: 14rem;
	}
	.bussiness_item > img {
	    margin: .4rem auto 1rem;
	}
	.bussiness_item > span {
		margin: 1.2rem 0 .4rem;
	}
}
@media (min-width: 1200px){
	.about_business_title {
		padding-top: 3em;
	}
	.bussiness_inner_text {
		margin: 1rem 4rem;
	}
	.bussiness_item > a {
		bottom: .6rem;
	}
}

/*-------------------------------------------------------------------
	company
-------------------------------------------------------------------*/
.company_title {
	font-size: 1.25rem;
	margin: 2rem auto;
}
.btn_frame.company {
	margin: 1rem auto;
	width: 80%;
	height: atuo;
}

.max_design_img {
	max-width: 18rem;
}
@media (min-width: 992px){
	.max_design_img {
		max-width: 100%;
	}
}
/*-------------------------------------------------------------------
	contact
-------------------------------------------------------------------*/
.contact_frame {
	width: 100%;
	padding: .5rem 0;
	background: #2757a3;
}

.contact_inner {
	width: 80%;
	margin: 0 auto;
	background: #fff;
}
.btn_frame.contact {
	width: 10rem;
	margin: 0 auto 1rem;
	padding-bottom: .5rem;
}
.contact > .btn_inner {
	margin-bottom: 1rem;
}
.contact_text {
	width: 100%;
	max-width: 40rem;
	margin: 0 auto 1rem;
	padding: 1rem;
}
/*-------------------------------------------------------------------
	news
-------------------------------------------------------------------*/
.news_list {
	margin: 1rem auto;
	font-size: .9rem;
}
.news_item {
	border: solid #d5d5d5;
	border-width: 0 0 .0625rem;
}
.news_item:first-of-type {
	border-width: .0625rem 0 .0625rem;
}
.news_item > dl {
	display: flex;
	margin: .8rem 0;
	flex-wrap: wrap;
}
.news_date {
	width: 9.5rem;
}
.news_contetnts {
	margin: 0 0 0 .5rem;
	width: calc(100% - 10.5rem);
}

.btn_frame.news {
	width: 8rem;
	margin: 0 0 0 auto;
}
.news > .btn_inner {
	height: 2.5rem;
}