@charset "UTF-8";
/* CSS Document */

@font-face {
	font-family: "DM Sans";
	src: url("/cell_ac/fonts/DM-suns.woff2") format("woff2");
	font-weight: 100 900;
	font-style: normal;
	font-display: swap;
}
:root {
	--bg: #F2F0EB;
	--bg-card: #edeae3;
	--text: #1A1A18;
	--muted: #78756e;
	--border: #DEDAD3;
	--accent: #184c00;
	--max-width: 1400px;
	--header-height: 64px;
}
*,
*::before,
*::after {
	box-sizing: border-box;
}
html {
/*	scroll-behavior: smooth;*/
}
@font-face {
	font-family: "DM Sans";
	src: url("/cell_ac/fonts/DM-suns.woff2") format("woff2");
	font-weight: 100 900;
	font-style: normal;
	font-display: swap;
}
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: "DM Sans", sans-serif;
	font-synthesis: none;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-weight: 300;
	line-height: 1.7;
}
img,
video {
	display: block;
	max-width: 100%;
}
a {
	color: inherit;
	text-decoration: none;
}
button {
	font-family: inherit;
	background: none;
	border: 0;
	cursor: pointer;
}
/* =====================
 HEADER
===================== */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--header-height);
	z-index: 100;
/*	background: var(--bg);*/
	backdrop-filter: blur(10px);
	background: color-mix(in oklab, var(--bg) 95%, transparent);
}
.header-inner {
	height: 100%;
	max-width: var(--max-width);
	margin: auto;
	padding: 0 48px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.logo-main {
	height: 24px;
}
.logo-main img {
	height: 100%;
	width: auto;
}
.logo-daicel {
	height: 20px;
	margin-left: auto;
	margin-bottom: 3px;
}
.logo-daicel img {
	height: 100%;
	width: auto;
}
/* desktop navigation */
.desktop-nav {
	display: flex;
	align-items: center;
	gap: 32px;
	font-size: 14px;
	font-weight: 500;
	letter-spacing: .01em;
}
.desktop-nav>a {
	position: relative;
}
.desktop-nav>a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0;
	height: 1px;
	background: var(--text);
	transition: .3s;
}
.desktop-nav>a:hover::after {
	width: 100%;
}
.language-switch {
	display: flex;
	gap: 4px;
	align-items: center;
}
.language-switch *:not(.inactive),
.mobile-language *:not(.inactive) {
	opacity: .35;
}
.language-switch a:hover,
.mobile-language a:hover {
	opacity: .8;
}
/* hamburger */
.menu-button {
	display: none;
	width: 32px;
	height: 32px;
	padding: 8px 6px;
}
.menu-button span {
	display: block;
	height: 1px;
	width: 100%;
	background: var(--text);
	transition: .3s;
}
/* mobile menu */
.mobile-menu {
	display: none;
	position: absolute;
	top: var(--header-height);
	left: 0;
	right: 0;
	background: var(--bg);
	border-top: 1px solid var(--border);
}
.mobile-menu.open {
	display: block;
}
.mobile-menu-inner {
	padding: 24px 24px 40px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}
.mobile-menu a {
	font-size: 16px;
	font-weight: 500;
	padding: 8px 0;
	line-height: 1.5;
}
.mobile-language {
	display: flex;
	gap: 10px;
	align-items: center;
	padding-top: 8px;
}
.header-right {
	display: flex;
	align-items: center;
	gap: 24px;
}
.site-header.scrolled {
/*	box-shadow: 0 2px 12px rgba(0, 0, 0, .08);*/
}
.mobile-menu.is-open {
	display: block;
}
body.menu-open {
	overflow: hidden;
}
@media(max-width:1024px) {
	.header-inner {
		padding: 0 18px 0 24px
	}
	.menu-button {
		display: flex;
		flex-direction: column;
		justify-content: space-between;
		align-items: center;
	}
	.logo-main {
		height: 24px;
	}
	.logo-daicel {
		display: block;
		height: 20px;
	}
	.header-right {
		gap: 18px;
	}
	.desktop-nav {
		display: none;
	}
}
@media(min-width:1025px) {
	.menu-button {
		display: none;
	}
	.mobile-menu {
		display: none !important;
	}
}
/* =====================
 HERO
===================== */
.hero {
	position: relative;
	width: 100%;
	height: 100vh;
	overflow: hidden;
	display: flex;
	align-items: flex-end;
}
.hero-video {
	position: absolute;
	inset: 0;
}
.hero-video video {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}
.hero-overlay {
	position: absolute;
	inset: 0;
	background:
		rgba(26, 26, 24, .35);
}
.hero-content {
	position: relative;
	z-index: 2;
	width: 100%;
	max-width: 1400px;
	margin: 0 auto;
	padding-left: 48px;
	padding-right: 48px;
	padding-bottom: 96px;
}
.hero-title {
	font-family:"DM Sans", Arial, sans-serif;
	font-weight: 300;
	font-size:
		clamp(36px, 5vw, 72px);
	line-height: 1.1;
	letter-spacing: -0.025em;
	color: #F2F0EB;
	margin: 0 0 24px;
	max-width: 672px;
}
.hero-text {
	font-family:"DM Sans", Arial, sans-serif;
	font-weight: 300;
	font-size: 20px;
	line-height: 1.7;
	letter-spacing: 0;
	color: rgba(242, 240, 235, .9);
	max-width: 520px;
	margin: 0;
}
/* =====================
 COMMON
===================== */
.container {
	max-width: var(--max-width);
	margin: auto;
	padding-left: 48px;
	padding-right: 48px;
}
.section {
	padding-top: 128px;
}
.bg-card {
	background: var(--bg-card);
}
section:not(#contact) div.js-reveal:has(.heading-main) {
	display: flex;
	align-items: baseline;
	gap: .75em;
	margin: 0 0 24px;
}
.heading-main {
	font-size: clamp(30px, 4vw, 36px);
	font-weight: 500;
	letter-spacing: -.025em;
	line-height: 1.125;
	margin: 0;
}
.sub-heading {
	font-size: 20px;
	font-weight: 500;
	margin: 0 0 24px;
	line-height: 1.4;
}
.lead-text {
	max-width: 760px;
	font-size: 16px;
	color: var(--muted);
	margin-bottom: 16px;
}
@media(min-width:769px) {
main .sp-only {
	display: none;
}
}
/* =====================
 CARD
===================== */
.card-grid {
	display: grid;
	grid-template-columns:
		repeat(3, 1fr);
	gap: 24px;
	margin-top: 2em;
}
.card-grid.two-column {
	grid-template-columns:
		repeat(2, 1fr);
}
.card-grid.three-column {
	grid-template-columns:
		repeat(3, 1fr);
}
.content-card {
	border: 1px solid var(--border);
	display: flex;
	flex-direction: column;
	background: transparent;
	overflow: hidden;
}
.card-image {
	aspect-ratio: 4/3;
	overflow: hidden;
	margin: 0;
}
.card-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition:
		opacity .3s ease,
		transform .5s ease;
}
.content-card:hover img {
	opacity: .75;
	transform: scale(1.03);
}
.card-body {
	padding: 24px 20px;
	display: flex;
	flex-direction: column;
	flex: 1;
}
.card-label {
	font-size: 10px;
	font-weight: 500;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 8px;
}
.card-body h3 {
	font-size: 16px;
	font-weight: 500;
	margin: 0 0 12px;
	line-height: 1.3;
}
.card-body p {
	font-size: 14px;
	color: var(--muted);
	margin: 0;
	line-height: 1.7;
}
/* =====================
 MATERIAL
===================== */
#material {
	padding-top: 112px;
}
.material-cycle {
	margin-top: 16px;
	margin-bottom: 16px;
}
.material-cycle img {
	width: 100%;
}
/* =====================
 GALLERY
===================== */
.gallery-section {
	padding-bottom: 128px;
}
.gallery-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
	margin-top: 40px;
}
.gallery-item {
	aspect-ratio: 1/1;
	overflow: hidden;
	margin: 0;
}
.gallery-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: .3s;
}
.gallery-item:hover img {
	opacity: .75;
}
.sns-link {
	margin-top: 32px;
}
.sns-link a {
	font-size: 14px;
	font-weight: 500;
}
.sns-link span {
	text-decoration: underline;
	text-underline-offset: 4px;
}
/* =====================
 SUSTAINABILITY
===================== */
#sustainability {
	padding-bottom: 128px;
}
.chart-image {
	margin: 40px auto;
	max-width: 1200px;
}
.info-list {
	color: var(--muted);
	font-size: 14px;
}
.info-list .info-title {
	color: var(--text);
	font-size: 16px;
	font-weight: 500;
	margin-bottom: 1em;
}
.info-list ul {
	padding: 0;
	margin: 0;
	list-style: none;
}
.info-list li {
	padding-left: 1em;
	position: relative;
	line-height: 1.6;
}
.info-list li:not(:last-child) {
	margin-bottom: 12px;
}
.info-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 10px;
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: var(--muted);
}
.info-list strong {
	color: var(--text);
	font-weight: 500;
}
/* =====================
 TABLE
===================== */
#resources {
	padding-bottom: 128px;
}
#resources .sub-heading {
	font-size: 18px;
}
#resources .notes {
	font-size: 12px;
	color: color-mix(in oklab, var(--muted)60%, transparent);
}
#resources .info-text {
	font-size: 14px;
	margin: 24px 0 0;
}
.table-wrap {
	overflow-x: auto;
}
table {
	width: 100%;
	border-collapse: collapse;
	min-width: 700px;
	line-height: 1.4;
}
th {
	text-align: left;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: .05em;
	font-weight: 500;
	color: var(--muted);
	border-bottom: 1px solid rgba(26, 26, 24, .2);
	padding: 14px 16px;
}
thead th:first-child {
	padding-left: 0;
}
thead th:last-child {
	padding-right: 0;
}
td {
	font-size: 14px;
	border-bottom: 1px solid var(--border);
	padding: 16px;
	vertical-align: middle;
}
tbody tr {
	transition: .4s;
}
tbody tr td:first-child {
	font-weight: 500;
	padding-left: 0;
}
tbody tr td:last-child {
	color: var(--muted);
	padding-right: 0;
}
/* =====================
 CONTACT
===================== */
#contact {
	padding-bottom: 128px;
}
.contact-section {
	background: var(--bg-card);
}
.contact-inner {
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.contact-inner > * {
	margin-bottom: 16px;
}
.contact-text {
	font-size: 16px;
	color: var(--muted);
	margin-bottom: 40px;
	margin-top: 0;
}
.contact-button {
	display: inline-block;
	background: var(--accent);
	color: #F2F0EB;
	padding: 16px 40px;
	font-size: 14px;
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: .05em;
	transition: .3s;
	margin-bottom: 0;
}
.contact-button:hover {
	opacity: .75;
}
/* =====================
 FOOTER
===================== */
.site-footer {
	border-top: 1px solid var(--border);
}
.footer-inner {
	padding: 16px 48px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 20px;
}
.footer-links {
	display: flex;
	gap: 24px;
}
.footer-links a {
	font-size: 14px;
	color: var(--muted);
}
.copyright {
	font-size: 14px;
	color: var(--muted);
	margin: 0;
}
/* =====================
 REVEAL
===================== */
.js-reveal {
	opacity: 0;
	transform: translateY(20px);
	transition:
		opacity .7s ease,
		transform .7s ease;
}
.js-reveal.active {
	opacity: 1;
	transform: translateY(0);
}
.delay-1 {
	transition-delay: .1s;
	max-width: 672px;
}
/* =====================
 RESPONSIVE
===================== */
@media(max-width:768px) {
	.container {
		padding-left: 24px;
		padding-right: 24px;
	}
#material,
	.section {
		padding-top: 80px;
	}
#sustainability,
#resources,
#contact {
	padding-bottom: 80px;
}
	.hero-content {
		padding:
			140px 24px 60px;
	}
	.hero-text {
		font-size: 16px;
	}
	.footer-inner {
		flex-direction: column;
		align-items: flex-start;
		gap: 16px;
	}
	.mobile-menu {
		top: 60px;
	}
	.mobile-menu-inner {
		padding: 24px 20px 32px;
		gap: 12px;
	}
	.mobile-menu a {
		font-size: 16px;
		padding: 8px 0;
	}
	.mobile-language {
		font-size: 16px;
		padding-top: 12px;
	}
	.hero {
		height: 100svh;
	}
	.hero-content {
		padding-left: 20px;
		padding-right: 20px;
		padding-bottom: 48px;
	}
	.hero-title {
		font-size: 38px;
		line-height: 1.12;
	}
	.hero-text {
		font-size: 16px;
	}
	main .pc-only {
		display: none;
	}
	.heading-main {
		font-size: 30px;
	}
	.heading-sub {
		font-size: 14px;
	}
	.sub-heading {
		font-size: 18px;
		margin-bottom: 16px;
	}
	.lead-text {
		font-size: 16px;
	}
	.card-grid,
	.card-grid.two-column,
	.card-grid.three-column {
		grid-template-columns: 1fr;
	}
	.card-grid {
		gap: 24px;
	}
	.card-body {
		padding: 24px 20px;
	}
	.card-body h3,
	.contact-text {
		font-size: 16px;
	}
	.gallery-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 10px;
		margin-top: 32px;
	}
	.gallery-section {
		padding-bottom: 80px;
	}
	table {
		min-width: 600px;
	}
	.footer-links {
		gap: 24px;
	}
}
/* =====================
 HAMBURGER ANIMATION
===================== */
.menu-button.active span:nth-child(1) {
	transform:
		translateY(7px) rotate(45deg);
}
.menu-button.active span:nth-child(2) {
	opacity: 0;
}
.menu-button.active span:nth-child(3) {
	transform:
		translateY(-7px) rotate(-45deg);
}
/* =====================
 ACCESSIBILITY
===================== */
a:focus-visible,
button:focus-visible {
	outline:
		2px solid var(--accent);
	outline-offset: 4px;
}
/* =====================
 IMAGE FIX
===================== */
picture,
picture img {
	width: 100%;
}
video {
	background: #000;
}
/* =====================
 REDUCE MOTION
===================== */
@media(prefers-reduced-motion:reduce) {
	*,
	*::before,
	*::after {
		animation: none !important;
		transition: none !important;
		scroll-behavior: auto !important;
	}
	.js-reveal {
		opacity: 1;
		transform: none;
	}
}