section *, section *:before, section *:after {
	box-sizing: border-box;
}

section button {
	/* button reset */
	background-color: transparent;
	border: none;
	cursor: pointer;
	outline: none;
	padding: 0;
	appearance: none;
}

section .contact__box {
	margin: 3rem 0;
}

section .contact__box p.contact-heading-ttl {
	text-align: center;
	font-size: 24px;
	font-weight: bold;
}

section .contact__box a.to_contact {
	text-align: center;
	text-decoration: none;
	display: block;
	font-size: clamp(1rem, 0.7273rem + 1.3636vw, 1.75rem);
	color: #fff;
	background-color: #1bb2a7;
	padding: 16px;
	margin: 2rem 0;
	position: relative;
}

section .contact__box a.to_contact::after {
	position: absolute;
	content: '';
	display: inline-block;
	width: 18px;
	height: 18px;
	margin: 0 10px;
	border-top: 2px solid #fff;
	border-right: 2px solid #fff;
	top: 50%;
	right: 16px;
	transform: rotate(45deg) translateY(-50%);
}

section .contact__box dl {
	display: flex;
	align-items: flex-end;
	max-width: 1000px;
	margin: auto;
	flex-wrap: wrap;
}

section .contact__box dl dt {
	text-align: left;
	margin-right: 1rem;
}

section .contact__box dl dt p.ttl-pt-02 {
	text-align: left;
	font-size: 18px;
	margin-bottom: .5rem;
	font-weight: bold;
}

section .contact__box dl dd:not(:last-child) {
	margin-right: 1rem;
}

@media screen and (max-width: 768px) {
	section .contact__box a.to_contact::after {
		width: 12px;
		height: 12px;
		border-top: 1px solid #fff;
		border-right: 1px solid #fff;
		right: 8px;
	}
}

section.retro-fit .catch_sdgs {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	background-color: #f3f3f3;
}

section.retro-fit .catch_sdgs .catch {
	padding: 5px clamp(6px, 20%, 12px);
	flex: 1;
}

section.retro-fit .catch_sdgs .catch p {
	font-size: clamp(14px, 1.034rem + 0.45vw, 24px);
	font-weight: bold;
	line-height: 2;
}

section.retro-fit .catch_sdgs figure {
	width: 155px;
	margin: inherit;
}

section.retro-fit .catch_sdgs figure img {
	width: 100%;
	display: block;
	object-fit: cover;
}

section.retro-fit .about-overhaul, section.retro-fit .about-retro-fit {
	margin: 3rem auto;
}

section.retro-fit .retro-fit-merit {
	padding: 40px;
	background-color: #f3f3f3;
}

section.retro-fit .retro-fit-merit .merit-heading {
	font-size: 24px;
	font-weight: bold;
	margin-bottom: 1rem;
}

section.retro-fit .retro-fit-merit p {
	line-height: 2;
}

section.retro-fit .retro-fit-merit p.ttl-pt-01 {
	font-size: 16px;
	font-weight: bold;
}

section.retro-fit .retro-fit-merit .merit-flow-inner {
	display: flex;
	margin: 2rem auto;
	justify-content: space-between;
	align-items: center;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img {
	width: 55%;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .before, section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .after {
	width: 43%;
	position: relative;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .before > span, section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .after > span {
	position: absolute;
	font-size: 16px;
	font-weight: bold;
	display: inline-block;
	padding: 6px 28px;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .before img, section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .after img {
	width: 100%;
	display: block;
	object-fit: cover;
	aspect-ratio: 4 / 6.25;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .before {
	display: flex;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .before > span {
	background-color: #000;
	color: #fff;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .arrow {
	display: block;
	width: 30px;
	height: 80px;
	background-color: #000000;
	clip-path: polygon(30px 50%, 0% 0%, 0% 80px);
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img .after > span {
	background-color: #1bb2a7;
	color: #fff;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-detail {
	width: 42%;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-detail .ttl-pt-01 {
	font-size: 18px;
	font-weight: bold;
	margin-bottom: .5rem;
}

section.retro-fit .retro-fit-merit .merit-flow-inner .flow-detail ol li:not(:last-child) {
	margin-bottom: .4rem;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample {
	display: flex;
	flex-direction: column;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample .tag_ttl {
	margin: 0;
	padding: 0;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample .tag_ttl span {
	display: inline-block;
	color: #fff;
	background-color: #1bb2a7;
	font-size: 20px;
	padding: 4px 10px;
	border-radius: 8px 8px 0 0;
	font-weight: bold;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample .exsample-list {
	background-color: #fff;
	padding: 20px;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample .exsample-list ul li {
	display: inline-block;
	margin-bottom: .5rem;
	font-weight: bold;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample .exsample-list ul li:not(:last-child) {
	margin-right: .5rem;
}

section.retro-fit .retro-fit-merit .retro-fit-exsample .exsample-list ul li::before {
	content: '\30FB';
}

@media screen and (max-width: 768px) {
	section.retro-fit .retro-fit-merit {
		padding: 20px;
	}
	
	section.retro-fit .retro-fit-merit .merit-flow-inner {
		flex-wrap: wrap;
	}
	
	section.retro-fit .retro-fit-merit .merit-flow-inner .flow-img {
		width: 100%;
		margin-bottom: 1rem;
	}
	
	section.retro-fit .retro-fit-merit .merit-flow-inner .flow-detail {
		width: 100%;
	}
}