.font-roboto {
	font-family: "Roboto", sans-serif;
}

#wrapper {
	overflow: hidden;
	position: relative;
	z-index: 2;
}

header h1 {
	position: absolute;
	left: 0;
	top: 0;
	z-index: -1;
	opacity: 0;
}

#header {
	display: flex;
	justify-content: space-between;
	position: fixed;
	left: 0;
	top: 0;
	z-index: 99;
	width: 100%;
}
.header-logo {
	display: flex;
	align-items: center;
	padding: 0 3.2rem;
	height: 7.6rem;
}
.header-logo img {
	width: 29.6rem;
}
.header-links {
	display: flex;
	margin-right: -1.6rem;
}
.header-links a {
	display: flex;
	align-items: center;
	transform: skewX(25deg);
	height: 5.6rem;
	font-weight: 700;
}
.header-links .con {
	transform: skewX(-25deg);
}
.header-links .free {
	padding: 0 4.8rem;
	background: #FFDA2A;
	color: #000;
}
.header-links .contact {
	padding: 0 4rem;
	background: #C81027;
}
/* pc */
@media (min-width: 768px) {
	.header-links a:hover {
		position: relative;
		z-index: 2;
		box-shadow: 0 0 2rem rgba(0,0,0,0.5);
	}
}
/* sp */
@media (max-width: 767px) { 
	#header {
		position: relative;
		background: #fff;
	}
	
	.header-logo {
		justify-content: center;
	    padding: 0 3.2rem;
	    height: 4.2rem;
		width: 100%;
	}
	.header-logo img {
	    width: 27rem;
	}
	
	.header-links {
		justify-content: center;
		position: fixed;
		left: 0;
		bottom: 1.2rem;
		width: 100%;
		font-size: 1.4rem;
	}
	.header-links a {
		height: 4.5rem;
	}
	.header-links .free,
	.header-links .contact {
		padding: 0 1.2rem;
	}
	
}

/* footer 
------------------------------------------------------------------------*/
#footer {
	padding: 9.3rem 0 2.4rem;
	background: #fff;
	color: #000;
}
.footer-logo {
	margin-bottom: 4.8rem;
	text-align: center;
}
.footer-logo img {
	width: 46.3rem;
}
.foot-links {
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 1.4rem;
}
.foot-links li {
	border-right: 1px solid;
}
.foot-links li:last-child {
	border-right: 0;
}
.foot-links li a {
	display: block;
	padding: 0 2.4rem;
}
#copyright {
	margin-top: 5.6rem;
	text-align: center;
	font-size: 1.4rem;
}

/* pc */
@media (min-width: 768px) {
	.foot-links li a:hover {
		text-decoration: underline;
	}
	
}
/* sp */
@media (max-width: 767px) {
	#footer {
		padding: 9rem 0;
	}
	
	.footer-logo {
	    margin-bottom: 4.3rem;
	}
	.footer-logo img {
	    width: 28rem;
	}
	.foot-links {
	    display: flex;
	    justify-content: flex-start;
		flex-wrap: wrap;
		gap: 0.8rem 0;
	    font-size: 1.2rem;
	}
	.foot-links li a {
	    padding: 0 1.6rem;
	}
	
	#copyright {
	    margin-top: 4rem;
	    font-size: 1.2rem;
	}
}


/* common 
------------------------------------------------------------------------*/
.btn-link {
	margin-top: 3.2rem;
}
.btn-link.btns {
	display: flex;
	gap: 1.6rem;
}
.btn-link .btn {
	display: flex;
	align-items: center;
	justify-content: center;
	height: 5.4rem;
	width: 50%;
	max-width: 32rem;
	border-radius: 0.8rem;
	box-shadow: 0 0 0.2rem #fff inset;
	font-size: 1.8rem;
	font-weight: 700;
}
.btn-link .blue-st {
	background-color: rgba(29,120,182,0.3);
}
.btn-link .green-st {
	background-color: rgba(69,176,53,0.3);
}

.common-txt {
	line-height: 1.75;
	font-size: 1.8rem;
}

.head-middle {
	margin-bottom: 2.4rem;
	text-align: center;
	font-size: 2.4rem;
	font-weight: 700;
}

.anchor-area {
	position: relative;
}
.anchor-area .anchor {
	position: absolute;
	top: -7.6rem;
}

/* pc */
@media (min-width: 768px) {
	.btn-link .blue-st:hover {
		background-color: rgba(29,120,182,1);
		border-radius: 0;
	}
	.btn-link .green-st:hover {
		background-color: rgba(69,176,53,1);
		border-radius: 0;

	}
}
/* sp */
@media (max-width: 767px) {
	.btn-link.btns {
		flex-direction: column;
		gap: 0.8rem;
	}
	.btn-link .btn {
		width: auto;
		height: 5rem;
		font-size: 1.6rem;
	}
	
	.common-txt {
		font-size: 1.4rem;
	}
	
	.head-middle {
		margin-bottom: 1.6rem;
		line-height: 1.75;
		font-size: 1.8rem;
	}
}


/* page 
------------------------------------------------------------------------*/
.main-kv {
	position: relative;
	padding: 15.625vw 0 13.333vw;
	background: url(../img/top/bg_main.png)no-repeat left bottom;
	background-size: cover;
}
.main-kv .info {
	padding-left: 22.7083vw;
	margin: 0 auto;
	max-width: 57.0833vw;
	text-align: center;
	color: #fff;
}
.main-kv .logo {
	margin-bottom: 1.6667vw;
}
.main-kv .head .jap {
	font-size: 1.6667vw;
	font-weight: 700;
}

.top-environment {
	position: relative;
}
.top-environment:before {
	content: "";
	pointer-events:none;
	position: absolute;
	right: -17.37%;
	top: -56.2rem;
	z-index: -1;
	width: 109.4rem;
	height: 124.4rem;
	background: url(../img/top/bg_light.png)no-repeat center;
	background-size: 100%;
}

.environment-challenges {
	padding: 7rem 0 23.6rem;
}
.environment-challenges .title {
	margin-bottom: 3.2rem;
}
.environment-challenges-item {
	margin-bottom: 0.8rem;
	padding: 2.4rem;
	border-radius: 0.8rem;
	box-shadow: 0 0 0.2rem #fff inset;
}
.environment-challenges-item .head {
	margin-bottom: 1.6rem;
	padding-left: 1.2rem;
	background: no-repeat left center;
	background-size: 0.6rem;
	line-height: 1.2;
	font-weight: 700;
	font-size: 2rem;
}
.environment-challenges-item .anchors li {
	margin-bottom: 0.8rem;
}
.environment-challenges-item .anchors li a {
	display: block;
	position: relative;
	padding: 1.6rem 1.6rem 1.6rem 8.6rem;
	background: no-repeat right 2.6rem center rgba(0,0,0,0.3);
	background-size: 2rem;
	border: 1px solid;
	border-radius: 0.4rem;
	font-size: 1.5rem;
}
.environment-challenges-item .anchors .step {
	display: flex;
	justify-content: center;
	align-items: center;
	position: absolute;
	left: 1.6rem;
	top: 1.6rem;
	bottom: 1.6rem;
	padding: 0.5rem;
	width: 5.5rem;
	border-radius: 0.4rem;
	font-size: 1.4rem;
}
.environment-challenges-item .cates {
	display: flex;
	flex-wrap: wrap;
	gap: 0.8rem;
	margin-top: 1.2rem;
}
.environment-challenges-item .cates span {
	padding: 0.3rem 1.6rem;
	border: 1px solid;
	border-radius: 2rem;
}
.environment-challenges-item.green-st {
	background: rgba(69, 176, 53, 0.3);
}
.environment-challenges-item.green-st .head {
	background-image: url(../img/common/icon_right_gre.svg);
}
.environment-challenges-item.green-st .anchors li a {
	background-image: url(../img/common/icon_down_gre.svg);
	border-color: #45B035;
	box-shadow: 0 0 0.8rem #45B035;
}
.environment-challenges-item.green-st .anchors .step {
	background: #45B035;
}
.environment-challenges-item.green-st .cates span {
	color: #45B035;
}
.environment-challenges-item.blue-st {
	background: rgba(29, 120, 182, 0.3);
}
.environment-challenges-item.blue-st .head {
	background-image: url(../img/common/icon_right_blue.svg);
}
.environment-challenges-item.blue-st .anchors li a {
	background-image: url(../img/common/icon_down_blue.svg);
	border-color: #1D78B6;
	box-shadow: 0 0 0.8rem #1D78B6;
}
.environment-challenges-item.blue-st .anchors .step {
	background: #1D78B6;
}
.environment-challenges-item.blue-st .cates span {
	color: #1D78B6;
}
.environment-challenges-item.red-st {
	background: rgba(207, 63, 62, 0.3);
}
.environment-challenges-item.red-st .head {
	background-image: url(../img/common/icon_right_red.svg);
}
.environment-challenges-item.red-st .anchors li a {
	background-image: url(../img/common/icon_down_red.svg);
	border-color: #CF3F3E;
	box-shadow: 0 0 0.8rem #CF3F3E;
}
.environment-challenges-item.red-st .anchors .step {
	background: #CF3F3E;
}
.environment-challenges-item.red-st .cates span {
	color: #CF3F3E;
}

.environment-challenges-introd {
	background: no-repeat center top;
	background-size: 100%;
}
.environment-challenges-introd .head {
	transform-origin: 0 100%;
	line-height: 1.333;
	font-size: 5.1rem;
	font-weight: 700;
}
.environment-challenges-introd .head span {
	display: inline-block;
	padding: 0 1rem;
	background: #fff;
	box-shadow: 0 1rem 1.6rem rgba(0,0,0,0.5);
}
.environment-challenges-introd .head span:nth-of-type(n+2) {
	margin-top: 1.8rem;
}
.environment-challenges-introd .head2 {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0 1.6rem;
	padding: 0.8rem;
	margin-bottom: 2.4rem;
	border-radius: 0.4rem;
	color: #fff;
	font-size: 2rem;
	font-weight: 700;
}
.environment-challenges-introd .head2 .step {
	padding: 0.2rem 1rem;
	background: #fff;
	border-radius: 0.4rem;
	font-size: 1.4rem;
}
.environment-challenges-introd .head3 {
	font-size: 3.2rem;
	font-weight: 700;
}
.environment-challenges-introd .head3.small {
	font-size: 2.8rem;
}
.environment-challenges-introd-title {
	position: relative;
	z-index: 3;
	margin-bottom: 4.8rem;
}
.environment-challenges-introd-title .pic {
	pointer-events:none;
	position: absolute;	
}
.environment-challenges-introd-title .common-txt {
	max-width: 71rem;
}
.environment-challenges-system {
	position: relative;
	z-index: 2;
	padding: 4.8rem;
	border-radius: 0.8rem;
	box-shadow: 0 0 0.2rem #fff inset;
}
.environment-challenges-system .display-logo {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0 4.8rem;
	margin: 0 auto 4.8rem;
}
.environment-challenges-system .display-logo .img {
	width: 21.8rem;
}
.environment-challenges-system .display-logo .monitoring {
	padding: 0.5rem 1rem;
	margin-top: 1.6rem;
	text-align: center;
	border: 1px solid;
	border-radius: 5rem;
	line-height: 1.75;
	font-size: 1.8rem;
	font-weight: 700;
}
.environment-challenges-system .display-logo .common-txt {
	max-width: calc(100% - 26.6rem);
	font-size: 1.6rem;
}
.environment-challenges-system .introd-box {
	padding: 2.4rem;
	background: #fff;
	border-radius: 0.4rem;
	color: #000;
}
.environment-challenges-system .introd-box + .introd-box {
	margin-top: 1.6rem;
}
.environment-challenges-system .introd-box .display {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0 3.2rem;
}
.environment-challenges-system .introd-box .display .common-txt {
	font-size: 1.4rem;
}
.environment-challenges-system .introd-box .img {
	margin-top: 3.2rem;
}

.environment-introduction-case {
	position: relative;
	z-index: 1;
	margin-top: 7rem;
}
.environment-introduction-case .head-case {
	position: relative;
	z-index: 2;
	margin-bottom: 5rem;
	text-align: center;
	font-size: 2.4rem;
	font-weight: 700;
}
.environment-introduction-case .head-case:before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	z-index: -1;
	transform: translateY(-50%);
	width: 120rem;
	height: 36rem;
	background: no-repeat center;
	background-size: cover;
}
.environment-introduction-case .display-cases {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.6rem;
	position: relative;
	z-index: 3;
}
.environment-introduction-case .display-cases .item {
	position: relative;
	background: #fff;
	border-radius: 0.8rem 0.8rem 0 0;
	border: 2px solid;
	color: #000;
}
.environment-introduction-case .display-cases .step {
	position: absolute;
	left: 50%;
	top: 0;
	transform: translate(-50%, -50%);
	padding: 0.7rem 1.6rem;
	border-radius: 0.4rem;
	color: #fff;
	font-size: 1.4rem;
	font-weight: 700;
}
.environment-introduction-case .display-cases .title {
	padding: 3.2rem 2rem 1.6rem;
	text-align: center;
}
.environment-introduction-case .display-cases .title .tit {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	margin-bottom: 3.2rem;
	font-size: 2rem;
	font-weight: 700;
}
.environment-introduction-case .display-cases .title .logo img {
	height: 7.2rem;
}
.environment-introduction-case .display-cases .title .sub {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	margin: 3.2rem auto 0;
	line-height: 1.75;
	font-weight: 700;
}
.environment-introduction-case .display-cases .services {
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 1.6rem;
	color: #fff;
}
.environment-introduction-case .display-cases .services li {
	padding-left: 0.6em;
	text-indent: -0.6em;
	line-height: 1.75;
	font-weight: 700;
}
.environment-introduction-case .head-cate {
	margin-bottom: 0.8rem;
	text-align: center;
}
.environment-introduction-case .head-cate span {
	display: inline-block;
	padding: 0.4rem 1.6rem;
	border-radius: 2rem;
	line-height: 1.5;
	font-size: 1.4rem;
	font-weight: 700;
}
.environment-introduction-case .display-cases .services .head-cate span,
.environment-introduction-case .display-cases .before .head-cate span {
	background: #fff;
}
.environment-introduction-case .display-cases .issues-introduction {
	padding: 3.2rem;
	line-height: 1.75;
}
.environment-introduction-case .display-cases .before {
	padding: 1.6rem;
	background: #E5E5E5;
	border-radius: 0.4rem;
}
.environment-introduction-case .display-cases .before li + li {
	margin-top: 0.8rem;
	padding-top: 0.8rem;
	border-top: 1px solid #CDCDCD;
}
.environment-introduction-case .display-cases .effect {
	position: relative;
	margin-top: 4.2rem;
}
.environment-introduction-case .display-cases .effect:before {
	content: "";
	position: absolute;
	left: 50%;
	top: -3rem;
	transform: translateX(-50%);
	border-top: 1.6rem solid #000;
	border-left: 1.6rem solid transparent;
	border-right: 1.6rem solid transparent;
}
.environment-introduction-case .display-cases .effect .head-cate span {
	color: #fff;
}
.environment-introduction-case .display-cases .effect li {
	line-height: 1.75;
	font-size: 1.8rem;
	font-weight: 700;
}
.environment-introduction-case .display-cases .effect li + li {
	margin-top: 0.8rem;
	padding-top: 0.8rem;
	border-top: 1px solid;
}
.environment-introduction-case .display-cases .btn {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0 0.8rem;
	position: absolute;
	left: -2px;
	right: -2px;
	top: 100%;
	height: 5.4rem;
	border-radius: 0 0 0.8rem 0.8rem;
	color: #fff;
	font-weight: 700;
	font-size: 1.8rem;
}
.environment-introduction-case .display-cases .btn:after {
	content: "";
	display: block;
	width: 2.4rem;
	height: 2.4rem;
	background: url(../img/common/icon_file_wh.svg)no-repeat center;
	backgorund-size: 100%;
}


.environment-challenges-introd.green-st {
	background-image: url(../img/top/bg_green.png);
}
.environment-challenges-introd.green-st .head {
	transform: skewY(-7deg) translate(-4.4rem, -3.6rem);
	margin-bottom: -1.8rem;
}
.environment-challenges-introd.green-st .head,
.environment-challenges-introd.green-st .head2 .step,
.environment-challenges-introd.green-st .head3,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .title .tit,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .services .head-cate span,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .effect li {
	color: #45B035;
} 
.environment-challenges-introd.green-st .environment-challenges-introd-title .pic {
	right: -13.6rem;
	bottom: -13.5rem;
	width: 43.3rem;
}
.environment-challenges-introd.green-st .environment-challenges-system {
	background: rgba(69, 176, 53, 0.3);
}
.environment-challenges-introd.green-st .head2,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .effect .head-cate span,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .step,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .services,
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .btn {
	background: #45B035;
}
.environment-challenges-introd.green-st .environment-introduction-case .head-case:before {
	background-image: url(../img/top/bg_head_green.png);
}
.environment-challenges-introd.green-st .environment-introduction-case .display-cases .item {
	border-color: #45B035;
}

.environment-challenges-introd.blue-st {
	margin-top: 20rem;
	background-image: url(../img/top/bg_blue.png);
}
.environment-challenges-introd.blue-st .environment-challenges-introd-title .common-txt {
	margin-left: auto;
}
.environment-challenges-introd.blue-st .head {
	transform: skewY(-7deg) translate(13.3rem, 1rem);
}
.environment-challenges-introd.blue-st .head,
.environment-challenges-introd.blue-st .head2 .step,
.environment-challenges-introd.blue-st .head3,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .title .tit,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .services .head-cate span,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .effect li {
	color: #1D78B6;
} 
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .title .sub {
	max-width: 44rem;
	text-align: left;
}
.environment-challenges-introd.blue-st .environment-challenges-introd-title .pic {
	left: -13.4rem;
	bottom: -8.8rem;
	width: 36.5rem;
}
.environment-challenges-introd.blue-st .environment-challenges-system {
	background: rgba(29, 120, 182, 0.3);
}
.environment-challenges-introd.blue-st .head2,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .effect .head-cate span,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .step,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .services,
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .btn {
	background: #1D78B6;
}
.environment-challenges-introd.blue-st .environment-introduction-case .head-case:before {
	background-image: url(../img/top/bg_head_blue.png);
}
.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .item {
	border-color: #1D78B6;
}

.environment-challenges-introd.red-st {
	margin-top: 20rem;
	background-image: url(../img/top/bg_red.png);
}
.environment-challenges-introd.red-st .head {
	transform: skewY(-7deg) translate(-2.4rem, 0rem);
}
.environment-challenges-introd.red-st .head p + p {
	margin: 1.8rem 0 0 15rem;
}
.environment-challenges-introd.red-st .head,
.environment-challenges-introd.red-st .head2 .step,
.environment-challenges-introd.red-st .head3,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .title .tit,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .services .head-cate span,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .effect li {
	color: #CF3F3E;
} 
.environment-challenges-introd.red-st .environment-challenges-introd-title .pic {
	right: -13.4rem;
	bottom: -12rem;
	width: 44.3rem;
}
.environment-challenges-introd.red-st .environment-challenges-system {
	background: rgba(207, 63, 62, 0.3);
}
.environment-challenges-introd.red-st .head2,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .effect .head-cate span,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .step,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .services,
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .btn {
	background: #CF3F3E;
}
.environment-challenges-introd.red-st .environment-introduction-case .head-case:before {
	background-image: url(../img/top/bg_head_red.png);
}
.environment-challenges-introd.red-st .environment-introduction-case .display-cases .item {
	border-color: #CF3F3E;
}

.top-faq {
	padding: 12rem 0;
}

.common-contents {
	display: flex;
	justify-content: space-between;
}
.common-contents .side {
	
}
.common-contents .main {
	width: calc(75% - 1.1rem);
	max-width: 75.7rem;
}
.top-faq .head {
	line-height: 1;
	font-size: 12rem;
	font-weight: 700;
}
.faq-list li + li {
	margin-top: 4.8rem;
}
.faq-list li .quest {
	position: relative;
	padding: 2rem 1.6rem 2rem 5.6rem;
	margin-bottom: 2.4rem;
	border: 1px solid #45B035;
	box-shadow: 0 0 0.8rem #45B035;
	border-radius: 0.4rem;
	line-height: 1.2;
	color: #45B035;
	font-size: 2rem;
	font-weight: 700;
}
.faq-list li .quest:before {
	content: "Q.";
	position: absolute;
	left: 1.6rem;
	top: 50%;
	transform: translateY(-50%);
	line-height: 1;
	font-family: "Roboto", sans-serif;
	font-size: 3.2rem;
}

.top-reasons {
	padding: 4.8rem 0 8rem;
	background: url(../img/top/bg_reason.png)no-repeat right center;
	background-size: cover;
	color: #000;
}
.top-reasons .head {
	margin-bottom: 1.6rem;
	text-align: center;
}
.top-reasons .head .con {
	display: inline-block;
	padding: 0.9rem 2rem;
	background: #1D78B6;
	border-radius: 5rem;
	color: #fff;
	font-size: 3.2rem;
	font-weight: 700;
}
.top-reasons .sub {
	margin-bottom: 3.2rem;
	text-align: center;
	font-weight: 700;
}
.reason-list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.6rem;
}
.reason-list li {
	overflow: hidden;
	background: rgba(255,255,255,0.3);
	border-radius: 0.8rem;
	border: 1px solid #fff;
	box-shadow: 0 0 1.2rem #1D78B6;
}
.reason-list li {
	
}
.reason-list li .info {
	padding: 1.6rem 2.4rem;
	line-height: 1.75;
	font-size: 1.4rem;
}
.reason-list li .step {
	position: relative;
	padding: 0.7rem 1.6rem;
	margin: 0 auto 1.2rem;
	max-width: 8rem;
	background: #1D78B6;
	border-radius: 3rem;
	line-height: 1;
	color: #fff;
	font-weight: 700;
}
.reason-list li .step .num {
	display: flex;
	justify-content: center;
	align-items: center;
	position: absolute;
	right: -0.8rem;
	top: 50%;
	transform: translateY(-50%);
	width: 3.6rem;
	height: 3.6rem;
	background: #fff;
	border-radius: 50%;
	color: #1D78B6;
	font-size: 1.6rem;
}
.reason-list li .tit {
	margin-bottom: 1.6rem;
	text-align: center;
	font-weight: 700;
	font-size: 1.6rem;
}

.top-contact {
	position: relative;
	padding: 10.4rem 0 12rem;
	background: url(../img/top/bg_contact.jpg)no-repeat center;
	background-size: cover;
	text-align: center;
}
.top-contact .download-link {
	display: inline-block;
	position: relative;
	padding: 1.6rem;
}
.top-contact .download-link .arr {
	pointer-events: none;
	position: absolute;
	width: 1.8rem;
	height: 1.8rem;
	background: url(../img/common/icon_arr_bor.png)no-repeat;
	background-size: 100%;
}
.download-link .bor1 {
	left: 0;
	top: 0;
}
.download-link .bor2 {
	right: 0;
	top: 0;
	transform: rotate(90deg);
}
.download-link .bor3 {
	right: 0;
	bottom: 0;
	transform: rotate(180deg);
}
.download-link .bor4 {
	left: 0;
	bottom: 0;
	transform: rotate(-90deg);
}
.top-contact .download-link .btn {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	padding: 2.6rem 3.6rem;
	background: rgba(255, 218, 42, 0.8);
	border: 1px solid #fff;
	line-height: 1.3;
	color: #000;
	font-weight: 700;
	font-size: 2.8rem;
}
.top-contact .contact-link {
	position: absolute;
	left: 0;
	bottom: -3rem;
	width: 100%;
}
.contact-link .tit {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0 0.6rem;
	margin-bottom: 0.8rem;
	font-size: 1.8rem;
	font-weight: 700;
}
.contact-link .tit:before,
.contact-link .tit:after {
	content: "";
	width: 0.8rem;
	height: 1.7rem;
	background: url(../img/common/icon_hd_bor.svg)no-repeat;
	background-size: 100%;
}
.contact-link .tit:after {
	transform: scaleX(-1);
}
.contact-link .btn {
	display: inline-block;
	position: relative;
	transform: skewX(-5deg);
	transition-duration: 0s;
	background: #C81027;
	box-shadow: 0 0.4rem 0 #960c1d;
	color: #fff;
	font-size: 2.4rem;
	font-weight: 700;
}
.contact-link .btn span {
	display: block;
	transform: skewX(5deg);
	padding: 1.5rem 15.5rem;
	background: url(../img/common/icon_link_wh.svg)no-repeat right 2.2rem center;
}


/* pc */
@media (min-width: 768px) {
	.top-contact .download-link .btn:hover {
		background: rgba(255, 218, 42, 1);
	}
	
	.contact-link .btn:hover {
		transform: skewX(-5deg) translateY(0.4rem);
		box-shadow: 0 0 0;
	}
	
}
/* sp */
@media (max-width: 767px) {
	.main-kv {
		padding: 27.5rem 0 8rem;
		background-image: url(../img/top/bg_main_sp.png);
		background-position: left top;
		background-size: 100%;
	}
	.main-kv .info {
	    padding: 0 3.2rem;
		max-width: inherit;
	    text-align: center;
	    color: #fff;
	}
	.main-kv .head .jap {
	    font-size: 2rem;
	}
	
	.top-environment:before {
	    top: -28rem;
	    width: 54.7rem;
	    height: 62.2rem;
	}
	
	.environment-challenges {
	    padding: 5rem 0;
	}
	.environment-challenges-item {
	    padding: 1.6rem;
	    border-radius: 0.8rem;
	}
	.environment-challenges-item .head {
	    padding-left: 1.2rem;
	    background-size: 0.6rem;
	    line-height: 1.2;
	    font-size: 1.6rem;
	}
	.environment-challenges-item .anchors li a {
	    padding: 1.6rem 1.6rem 4.2rem;
	    background-position: center bottom 1.6rem;
	    background-size: 2rem;
	    font-size: 1.5rem;
	}
	.environment-challenges-item .anchors .step {
	    position: static;
	    margin: 0 auto 0.8rem;
	    padding: 0.2rem;
	    width: 5rem;
	    font-size: 1.2rem;
	}
	
	.environment-challenges-item .cates {
		justify-content: center;
		gap: 0.4rem;
	}
	.environment-challenges-item .cates span {
	    padding: 0.3rem 1.6rem;
	    font-size: 1.2rem;
	}
	
	.environment-challenges-introd-title {
		margin-bottom: 2.4rem;
	}
	.environment-challenges-introd .head {
		position: absolute;
		left: 0;
		z-index: 2;
	    line-height: 1.333;
	    font-size: 2.5rem;
	}
	.environment-challenges-introd .head span {
	    padding: 0 0.5rem;
	}
	.environment-challenges-introd .head span:nth-of-type(n+2) {
	    margin-top: 1rem;
	}
	.environment-challenges-introd .head2 {
	    display: block;
		flex-direction: column;
		padding: 0.8rem 2.4rem;
	    margin-bottom: 1.6rem;
	    font-size: 1.4rem;
	    font-weight: 700;
	}
	.environment-challenges-introd .head2.st2 {
		padding: 0.8rem 1.6rem;
	}
	.environment-challenges-introd .head2 .step {
	    display: block;
		margin: 0 auto 0.8rem;
	    padding: 0;
		width: 5rem;
		text-align: center;
	    font-size: 1.2rem;
	}
	.environment-challenges-introd .head3,
	.environment-challenges-introd .head3.small {
		margin-bottom: 0.8rem;
	    font-size: 1.8rem;
	}
	.environment-challenges-introd-title .con {
		position: relative;
	}
	.environment-challenges-introd-title .pic {
	    position: static;
		margin: 0 auto;
	}
	.environment-challenges-system {
	    padding: 3.2rem 1.6rem 1.6rem;
	}
	.environment-challenges-system .display-logo {
	    display: block;
	    margin-bottom: 1.6rem;
	}
	.environment-challenges-system .display-logo .img {
	    margin: 0 auto 1.6rem;
	}
	.environment-challenges-system .display-logo .common-txt {
	    max-width: inherit;
	    font-size: 1.4rem;
	}
	.environment-challenges-system .introd-box {
	    padding: 1.6rem;
	}
	.environment-challenges-system .introd-box + .introd-box {
	    margin-top: 0.8rem;
	}
	.environment-challenges-system .introd-box .display {
	    display: block;
	}
	.environment-challenges-system .introd-box .img {
	    margin-top: 1.6rem;
	}
	.environment-introduction-case {
	    margin-top: 3.5rem;
	}
	.environment-introduction-case .head-case {
		font-size: 2rem;
	}
	.environment-introduction-case .head-case:before {
	    left: 52%;
	    top: 50%;
	    z-index: -1;
	    transform: translate(-50%, -50%);
	    width: 65rem;
	    height: 19.5rem;
	}
	.environment-introduction-case .display-cases {
	    grid-template-columns: repeat(1, 1fr);
	    gap: 3.5rem 0;
	}
	.environment-introduction-case .display-cases .item {
		margin-bottom: 4.6rem;
	}
	.environment-introduction-case .display-cases .step {
	    top: -0.5rem;
	    padding: 0.4rem 1.6rem;
	}
	.environment-introduction-case .display-cases .title {
	    padding: 2.4rem 1rem 1.6rem;
	}
	.environment-introduction-case .display-cases .title .tit {
	    margin-bottom: 2.4rem;
	    font-size: 1.6rem;
	}
	.environment-introduction-case .display-cases .services li {
	    font-size: 1.6rem;
	}
	.environment-introduction-case .display-cases .issues-introduction {
	    padding: 3.2rem 1.6rem 2.4rem;
	}
	.environment-introduction-case .display-cases .effect li {
		font-size: 1.6rem;
	}
	.environment-introduction-case .display-cases .btn {
	    gap: 0 0.8rem;
	    left: -2px;
	    right: -2px;
	    height: 4.6rem;
	    font-size: 1.6rem;
	}
	
	.environment-challenges-introd.green-st {
	    background-image: url(../img/top/bg_green_sp.png);
	}
	.environment-challenges-introd.green-st .head {
		bottom: 1.6rem;
	    transform: skewY(-6deg);
	    margin-bottom: 0;
	}
	.environment-challenges-introd.green-st .head span:nth-of-type(3) {
		margin-left: 2rem;
	}
	.environment-challenges-introd.green-st .environment-challenges-introd-title .pic {
		transform: translateY(-6rem);
	    width: 32.5rem;
	}
	
	.environment-challenges-introd.blue-st {
	    margin-top: 7.2rem;
	    background-image: url(../img/top/bg_blue_sp.png);
	}
	.environment-challenges-introd.blue-st .head {
		bottom: 1.6rem;
	    transform: skewY(-6deg);
	}
	.environment-challenges-introd.blue-st .head span:nth-of-type(3) {
		margin-left: 4rem;
	}
	.environment-challenges-introd.blue-st .environment-challenges-introd-title .pic {
		transform: translateY(-4.8rem);
	    width: 27.4rem;
	}
	.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .title .logo img {
	    height: 7.8rem;
	}
	.environment-challenges-introd.blue-st .environment-introduction-case .display-cases .title .sub {
	    text-align: center;
	}
	
	.environment-challenges-introd.red-st {
	    margin-top: 7.4rem;
	    background-image: url(../img/top/bg_red_sp.png);
	}
	.environment-challenges-introd.red-st .head {
		bottom: 10rem;
	    transform: skewY(-6deg);
	}
	.environment-challenges-introd.red-st .head p + p {
	    margin: 1.2rem 0 0 2.5rem;
	}
	.environment-challenges-introd.red-st .environment-challenges-introd-title .pic {
		transform: translateY(-8rem);
		margin-bottom: -8rem;
	    width: 33.2rem;
	}
	
	.top-faq {
	    padding: 4.8rem 0;
	}
	.common-contents {
	    display: block;
	}
	.common-contents .side {
		width: auto;
	}
	.common-contents .main {
		width: auto;
	}
	.top-faq .head {
		margin-bottom: 0.8rem;
	    line-height: 1.5;
		text-align: center;
	    font-size: 6rem;
	}
	
	.faq-list li + li {
	    margin-top: 2.4rem;
	}
	.faq-list li .quest {
	    padding: 1.6rem 1.6rem 1.6rem 5.2rem;
	    margin-bottom: 1.6rem;
	    line-height: 1.2;
	    font-size: 1.8rem;
	}
	.faq-list li .quest:before {
	    font-size: 2.8rem;
	}
	
	.top-reasons {
		padding: 3.2rem 0;
		background-image: url(../img/top/bg_reason_sp.png);
	}
	.top-reasons .inner {
		padding: 0 1.6rem;
	}
	.top-reasons .head .con {
	    padding: 0.9rem 2rem;
	    font-size: 2rem;
	}
	.top-reasons .sub {
		margin-bottom: 2.4rem;
		font-size: 1.6rem;
	}
	.reason-list {
	    grid-template-columns: repeat(1, 1fr);
	    gap: 0.8rem;
	}
	.reason-list li .info {
	    padding: 2rem 1.6rem 1.6rem;
	}
	
	.top-contact {
	    padding: 5.5rem 0 12rem;
	}
	.top-contact .download-link {
	    padding: 1.8rem 1.6rem;
	}
	.top-contact .download-link .arr {
	    width: 1.4rem;
	    height: 1.4rem;
	}
	.top-contact .download-link .btn {
	    padding: 1.4rem 1.5rem;
	    font-size: 2rem;
	}
	
	.contact-link .tit {
		font-size: 1.5rem;
	}
	.contact-link .btn {
	    font-size: 1.8rem;
	}
	.contact-link .btn span {
	    display: block;
	    transform: skewX(5deg);
	    padding: 2.8rem 4.8rem 2.8rem 1.8rem;
	    background-position: right 2rem center;
	}
	
}