@charset "UTF-8";
*,
*::before,
*::after {box-sizing:border-box;}
* {margin:0; vertical-align:baseline; padding:0; font-style:inherit; font-family:inherit; font-weight:inherit; text-decoration:none; border:0; outline:0;}
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {margin:0; vertical-align:baseline; padding:0; font-size:100%; text-decoration:none;color:inherit; background:none; border:0; font:inherit; }
button {cursor:pointer; color: inherit;}
img {display:block; width:100%; height:auto;}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {display:block;}
html {font-size:62.5%;}
body {line-height:1; line-height:1.5; font-size:1.6rem; font-family: "Zen Kaku Gothic Antique", sans-serif; font-weight:500; color:var(--color-navy-primary); overflow-y:auto;}
.is-menu-open {overflow:hidden;}
ol, ul {list-style:none;}
blockquote, q {quotes:none;}
blockquote:before, blockquote:after,
q:before, q:after {content:""; content:none;}
table {border-collapse:collapse;border-spacing:0;}
::-moz-selection {color:var(--color-white-primary); background-color:var(--color-turquoise-primary);}
::selection { background-color:#F4D202;}

:root {
	--color-white-primary: #ffffff;
	--color-white-secondary: #FFFFFA;
	--color-white-tertiary: rgba(255,255,255,.6);
	--color-black-primary: #000000;
	--color-lightgray-primary: #EAEAEA;
	--color-gray-primary: #848484;
	--color-navy-primary: #212843;
	--color-yellow-primary: #F4D202;
	--color-lightyellow-primary: #FBEFA3;
	--shadow-primary: 3px 3px 8px rgba(0,0,0,0.16);
	--shadow-secondary: 0 0 4px rgba(0,0,0,0.4);
	--shadow-secondary-large: 0 0 8px rgba(0,0,0,0.4);
	--inner-shadow-primary: 0 0 4px rgba(0,0,0,0.16) inset;
	--inner-shadow-secondary: 0 0 4px rgba(0,0,0,0.4) inset;
	--inner-shadow-secondary-large: 0 0 8px rgba(0,0,0,0.4) inset;
	--content-padding:40px;
	--content-width:min(1366px,calc(100vw - var(--content-padding) * 2));
	--content-width-narrow:min(1080px,calc(100vw - var(--content-padding) * 2));
}
:focus-visible {
	outline: 3px solid var(--color-navy-primary);
}
.is-pagetop:not(.is-navi) {
	--header-height:104px;
}

/* helper */
._keep-all {
	word-break:keep-all!important;
}
._font-bold {
	font-weight: 700;
}
._overflow-hidden {
	overflow: hidden;
}
._font-urbanist {
	font-family: "Urbanist", sans-serif;
}
@media screen and (max-width:960px) {
	:root {
		--content-padding:24px;
		--header-height:60px;
	}
	.is-pagetop:not(.is-navi) {--header-height:60px;}
}
@media screen and (max-width:640px) {
	:root {
		--content-padding:16px;
	}
	.sp_hide {
		display: none;
	}
}
@media screen and (max-width:374px) {
	:root {
		--content-padding:12px;
	}
}
@media not screen and (max-width:960px) {
	.pc-hide {display: none;}
}
@media screen and (max-width:960px) {
	.sp_hide {
		display: none !important;
	}
}
@media screen and not (max-width:960px) {
	.pc_hide {
		display: none !important;
	}
}

/* components */
.spacer {
	display: block;
	height: 40px;
	pointer-events: none;
}
.spacer--height-64 {
	height: 64px;
}
.spacer--height-40 {
	height: 40px;
}
.spacer--height-32 {
	height: 32px;
}
.spacer--height-24 {
	height: 24px;
}

/* site-main */
.site-main {
	position: relative;
	z-index: 0;
	background-color:var(--color-white-secondary);
}
.site-main::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: -1;
	opacity: .5;
	background: url("../images/bg-grid.svg") center/cover repeat;
}
.site-main::after {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 2;
	background: rgba(0,0,0,0.4);
	opacity: 0;
	transition: opacity .5s;
	pointer-events: none;
}
.is-menu-open .site-main::after {
	opacity: 1;
}

/* section */
.section {
	padding: 96px 0;
}
.section--bg-blue {
	color: var(--color-white-primary);
	background-color: var(--color-navy-primary);
}
.section--pt-0 {
	padding-top: 0;
}
.section-header {
	width: var(--content-width);
	margin: 0 auto 40px;
}
.section-title {
	padding: 0 0 16px;
	border-bottom: 1px solid var(--color-navy-primary);
}
.section-title img {
	width: auto;
	height: 44px;
	display: inline-block;
	vertical-align: bottom;
}
.section-description {
	font-size: 2.1rem;
	font-weight: 700;
}
.section-title+.section-description {
	margin-top: 16px;
}
.section-header--color-white {
	color: var(--color-white-secondary);
}
.section-header--color-white .section-title {
	border-color: var(--color-white-primary);
}
@media screen and (max-width:960px) {
	.section {
		padding: 64px 0;
	}
	.section-header {
		margin-bottom: 24px;
	}
	.section-title {
		padding-bottom: 10px;
		margin-bottom: 4px;
	}
	.section-title img {
		height: 24px;
	}
	.section-description {
		font-size: 1.8rem;
	}
	.section-title+.section-description {
		margin-top: 8px;
	}
}


/* primary-button */
.primary-button {
	position: relative;
	display: block;
	padding: 16px 64px 16px 64px;
	margin: 0 auto;
	width: fit-content;
	border-radius: 0 20px 0 20px;
	overflow: hidden;
	z-index: 0;
	font-weight: 700;
	color: var(--color-navy-primary);
	background: var(--color-yellow-primary);
	box-shadow: var(--inner-shadow-primary);
	text-align: center;
	transition: color 0.25s;
}
.primary-button::before {
	content: "";
	position: absolute;
	inset: 8px;
	z-index: -1;
	background: var(--color-white-primary);
	box-shadow: var(--shadow-secondary);
	border-radius: 0 12px 0 12px;
	transition: background-color 0.25s;
}
.primary-button::after {
	content: "";
	position: absolute;
	top: 50%;
	right: 16px;
	transform: translate(0,-50%);
	width: 16px;
	height: 16px;
	background: var(--color-navy-primary);
	-webkit-mask: url("../images/arrow-right.svg") center/contain no-repeat;
	mask: url("../images/arrow-right.svg") center/contain no-repeat;
	transition: background-color 0.25s;
}
.primary-button:hover {
	color: var(--color-white-primary);
}
.primary-button:hover::before {
	background: var(--color-navy-primary);
}
.primary-button:hover::after {
	background: var(--color-white-primary);
}

/* secondary-button */
.secondary-button {
	position: relative;
	display: block;
	width: fit-content;
	max-width: 100%;
	margin: 0 auto;
	padding: 8px 64px 8px 64px;
	border-radius: 0 20px 0 20px;
	overflow: hidden;
	z-index: 0;
	font-weight: 700;
	color: var(--color-navy-primary);
	background: var(--color-yellow-primary);
	box-shadow: var(--shadow-secondary);
	align-items: center;
	transition: color 0.25s,background-color 0.25s;
}
.secondary-button::after {
	content: "";
	position: absolute;
	top: 50%;
	right: 16px;
	transform: translate(0,-50%);
	width: 16px;
	height: 16px;
	background: var(--color-navy-primary);
	-webkit-mask: url("../images/arrow-right.svg") center/contain no-repeat;
	mask: url("../images/arrow-right.svg") center/contain no-repeat;
	transition: background-color 0.25s;
}
.secondary-button--large {
	padding: 16px 64px 16px 64px;
}
.secondary-button:hover {
	color: var(--color-white-primary);
	background: var(--color-navy-primary);
}
.secondary-button:hover::after {
	background-color: var(--color-white-primary);
}
@media screen and (max-width:960px) {
	.primary-button {
		font-size: 1.4rem;
	}
	.secondary-button {
		font-size: 1.4rem;
		padding: 8px 48px 8px 32px;
	}
	.secondary-button--large {
		padding: 16px 48px 16px 32px;
	}
}

/* header */
.header-menu-button {
	position: relative;
	display: none;
	width: 48px;
	height: 48px;
	background: none;
}
.header-menu-button__line {
	position: absolute;
	top: 50%;
	left: 50%;
	height: 1px;
	width: 32px;
	transform: translate(-50%,-50%);
	background: var(--color-white-primary);
	transition: transform 0.25s 0s, top 0.25s 0.25s, opacity 0.25s;
}
.header-menu-button__line:first-of-type {
	top: calc(50% - 8px);
}
.header-menu-button__line:last-of-type {
	top: calc(50% + 8px);
}
.is-menu-open .header-menu-button__line {
	transition: transform 0.25s 0.25s, top 0.25s, opacity 0.25s;
}
.is-menu-open .header-menu-button__line:first-of-type {
	top: 50%;
	transform: translate(-50%,-50%) rotate(30deg);
}
.is-menu-open .header-menu-button__line:nth-of-type(2) {
	opacity: 0;
}
.is-menu-open .header-menu-button__line:last-of-type {
	top: 50%;
	transform: translate(-50%,-50%) rotate(-30deg) ;
}

.sustainability-header {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 8;
	width: 100%;
	padding: 32px;
	color: var(--color-white-primary);
	background: var(--color-navy-primary);
}
.sustainability-header::before {
	content: "";
	position: absolute;
	right: 14px;
	bottom: 2px;
	transform: translate(0,100%);
	width: 120px;
	height: 120px;
	background: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMjIiIGhlaWdodD0iMTIyIiBmaWxsPSJub25lIj48ZyBjbGlwLXBhdGg9InVybCgjYSkiPjxwYXRoIGZpbGw9IiMyMTI4NDMiIGZpbGwtcnVsZT0iZXZlbm9kZCIgZD0iTTAgMGgxMjJ2MTIwaC0ydjJDMTIwIDU2IDY2IDIgMCAyVjBaIiBjbGlwLXJ1bGU9ImV2ZW5vZGQiLz48L2c+PGRlZnM+PGNsaXBQYXRoIGlkPSJhIj48cGF0aCBmaWxsPSIjZmZmIiBkPSJNMCAwaDEyMnYxMjJIMHoiLz48L2NsaXBQYXRoPjwvZGVmcz48L3N2Zz4=") center/contain no-repeat;
}
.sustainability-header::after {
	content: "";
	position: fixed;
	width: 16px;
	height: 100%;
	top: 0;
	right: 0;
	bottom: 0;
	background: var(--color-navy-primary);
}
.sustainability-navi__logo {
	display: none;
}
.sustainability-navi-list {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: var(--content-width-narrow);
	margin: 0 auto;
	font-size: 1.2rem;
}
.sustainability-navi-list__item {
	flex-grow: 1;
}
.sustainability-navi-list__item>a {
	position: relative;
	display: block;
	text-align: center;
	padding: 8px 16px;
	border-right: 1px solid var(--color-gray-primary);
}
.sustainability-navi-list__item:last-child>a {
	border-right: none;
}
.sustainability-navi-list__item>a::after {
	content: "";
	position: absolute;
	left: 50%;
	bottom: 0;
	transform: translate(-50%,0);
	width: 0;
	height: 1px;
	background: var(--color-yellow-primary);
	opacity: 0;
	transition: width 0.25s,opacity 0.25s;
}
.sustainability-navi-list__item>a:hover::after {
	width: calc(100% - 48px);
	opacity: 1;
}
.sustainability-navi_logo {
	position: absolute;
	display: block;
	top: 50%;
	right: var(--content-padding);
	transform: translate(0,-50%);
	width: 72px;
	transition: opacity 0.25s;
}
.sustainability-navi_logo:hover {
	opacity: .5;
}
@media screen and (max-width:1320px) {
	.sustainability-navi {
		display: flex;
		justify-content: space-between;
		padding: 0 80px 0 0;
	}
	.sustainability-navi-list {
		margin: 0;
	}
}
@media screen and (max-width:960px) {
	.sustainability-header {
		height: 48px;
		padding: 0;
	}
	.sustainability-header::before {
		right: 4px;
		width: 80px;
		height: 80px;
	}
	.sustainability-header::after {
		width: 6px;
	}
	.header-menu-button {
		display: block;
	}
	.sustainability-navi__logo {
		display: block;
		width: 182px;
		margin: 0 0 28px;
	}
	.sustainability-navi {
		position: fixed;
		top: 48px;
		left: 0;
		bottom: 0;
		padding: 20px 0 0;
		pointer-events: none;
		display: block;
		color: var(--color-navy-primary);
		background: var(--color-white-primary);
		width: 100%;
		max-width: 314px;
		transform: translate(-100%,0);
		transition: transform 0.25s;
		z-index: -1;
		overflow-y: auto;
	}
	.sustainability-navi-list {
		display: block;
		padding: 0 24px;
		width: 100%;
	}
	.sustainability-navi-list__item>a {
		padding: 12px 0;
		text-align: left;
		font-size: 1.9rem;
		font-weight: 700;
		border-right: none;
		border-bottom: 1px solid var(--color-lightgray-primary);
	}
	.sustainability-navi-list__item>a:hover {
		background: var(--color-lightyellow-primary);
	}
	.sustainability-navi-list__item>a::after {
		display: none;
	}
	.sustainability-navi_logo {
		width: 44px;
		height: 44px;
		top: 70%;
		right: 4px;
	}
	.is-menu-open .sustainability-navi {
		transform: translate(0,0);
		pointer-events: auto;
	}
}

/* footer */
.sustainability-footer {
	position: relative;
	z-index: 2;
	color: var(--color-white-primary);
	background: url("../images/bg-pattern-noise.png") center/200px repeat;
	padding: 48px 0 32px;
}
.sustainability-footer__inner {
	width: var(--content-width);
	margin: 0 auto;
}
.sustainability-footer__logo {
	width: 130px;
	margin: 0 auto 48px;
}
.sustainability-footer__content {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.footer-navi {
	flex-shrink: 1;
}
.footer-navi-list {
	display: flex;
	justify-content: flex-start;
	gap: 8px 0;
	flex-wrap: wrap;
}
.footer-navi-list__item {
	border-right: 1px solid var(--color-white-primary);
}
.footer-navi-list__item>a {
	display: block;
	padding: 4px 12px;
	line-height: 1;
	font-size: 1.4rem;
	transition: opacity .25s;
}
.footer-navi-list__item>a:hover {
	opacity: .6;
}

.footer-navi-list__item:last-of-type {
	border: none;
}
.footer-links {
	display: flex;
	align-items: flex-end;
	gap: 24px;
	flex-shrink: 0;
}
.footer-links__copyright {
	color: var(--color-white-tertiary);
	font-size: 1.2rem;
}
.footer-sns-list {
	display: flex;
	gap: 16px;
}
.footer-sns-list__item {
	width: 40px;
	height: 40px;
}
.footer-sns-list__item>a {
	transition: opacity .25s;
}
.footer-sns-list__item>a:hover {
	opacity: .6;
}
@media screen and (max-width:960px) {
	.sustainability-footer {
		padding: 48px 0 64px;
	}
	.sustainability-footer__content {
		flex-direction: column;
		align-items: center;
		gap: 40px 0;
	}
	.footer-navi-list {
		justify-content: center;
	}
	.footer-links {
		flex-direction: column;
		align-items: center;
		gap: 24px;
	}
}

/* #article-list-learn */
.article-list-learn {
	display: grid;
	grid-template-columns: repeat(3,1fr);
	gap: 64px 48px;
	width: var(--content-width-narrow);
	margin: 0 auto;
}
.article-learn-item-topic {
	grid-column: span 3;
}
.article-learn-item-topic>a {
	display: flex;
	gap: 0 32px;
	background: var(--color-white-primary);
	border-radius: 0 20px 0 20px;
	overflow: hidden;
	box-shadow: var(--inner-shadow-secondary-large),var(--shadow-secondary-large);
}
.article-learn-item-topic__picture {
	width: 46%;
	flex-shrink: 0;
	border-radius: 0 20px 0 20px;
	overflow: hidden;
	box-shadow: var(--shadow-primary);
}
.article-learn-item-topic__picture img {
	min-height: 100%;
	object-fit: cover;
	transition: transform 0.5s;
}
.article-list-learn-topic__text-content {
	flex-grow: 1;
	padding: 24px;
	color: var(--color-black-primary);
}
.article-list-learn-topic__title {
	line-height: 1.5;
	font-size: 2.4rem;
	font-weight: 600;
	margin: 0 0 16px;
	color: var(--color-navy-primary);
}
.article-list-learn-topic__body-text {
	line-height: 2;
	margin: 0 0 16px;
}
.article-list-learn-topic__post-date {
	color: rgba(0,0,0,0.6);
	line-height: 1.5;
	font-size: 1.4rem;
}
.article-learn-item-topic>a:hover .article-learn-item-topic__picture img {
	transform: scale(1.1);
}
.article-learn-item {
	grid-column: span 1;
}
.article-learn-item>a {
	background: var(--color-white-primary);
}
.article-learn-item__picture {
	margin: 0 0 12px;
	border-radius: 0 20px 0 20px;
	overflow: hidden;
	box-shadow: var(--shadow-secondary-large);
}
.article-learn-item__picture img {
	aspect-ratio: 300 / 225;
	object-fit: cover;
	transition: transform 0.5s;
}
.article-list-learn__title {
	font-size: 1.4rem;
	line-height: 1.5;
	margin: 0 0 8px;
}
.article-list-learn__post-date {
	color: var(--color-white-tertiary);
	line-height: 1.5;
	font-size: 1.4rem;
}
.article-learn-item>a:hover .article-learn-item__picture img {
	transform: scale(1.1);
}
@media screen and (max-width:960px) {
	.article-list-learn {
		grid-template-columns: repeat(2,1fr);
		gap: 32px 22px;
	}
	.article-learn-item-topic {
		grid-column: span 2;
	}
	.article-learn-item-topic>a {
		display: flex;
		flex-direction: column;
		grid-column: span 2;
	}
	.article-list-learn-topic__title {
		font-size: 1.8rem;
		margin-bottom: 8px;
	}
	.article-learn-item-topic__picture {
		width: 100%;
		height: auto;
	}
	.article-learn-item-topic__picture img {
		min-height: auto;
	}
}
@media screen and (max-width:640px) {
	.article-list-learn {
			grid-template-columns: repeat(2, 1fr);
			gap: 32px 13px;
		}
}