:root {
	--color-bg: #f7f8f6;
	--color-surface: #ffffff;
	--color-text: #22282c;
	--color-text-sub: #727a7f;
	--color-line: #dde2e4;
	--color-accent: #a8c4cf;
	--color-accent-sub: #d6c8ae;
	--color-surface-soft: #eef2f1;
	--color-dark: #202629;
	--color-washi: #f2f0e9;
	--color-washi-deep: #ebe9e1;
	--color-wood: #c9b996;
	--color-wood-light: #ddd2ba;
	--washi-texture: url("../images/washi-texture.svg");

	/* Backward-compatible aliases for Phase 1 content templates. */
	--c-bg: var(--color-bg);
	--c-surface: var(--color-surface);
	--c-surface-soft: var(--color-surface-soft);
	--c-text: var(--color-text);
	--c-muted: var(--color-text-sub);
	--c-line: var(--color-line);
	--c-brand-ink: var(--color-dark);
	--c-brand-gold: var(--color-accent-sub);
	--c-accent-mist: var(--color-accent);

	--layout-max: 1280px;
	--page-pad: 22px;
	--section-space: clamp(5.5rem, 13vw, 8rem);
	--grid-gap: 24px;
	--header-height: 72px;
	--font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
	--font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
	--ease-out: cubic-bezier(.22, 1, .36, 1);
	--ease-standard: cubic-bezier(.4, 0, .2, 1);
}

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

html {
	scroll-behavior: smooth;
	text-size-adjust: 100%;
}

body {
	margin: 0;
	overflow-x: clip;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-sans);
	font-size: 1rem;
	font-weight: 400;
	line-height: 1.8;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body.is-menu-open {
	overflow: hidden;
}

img,
svg {
	display: block;
	max-width: 100%;
}

img {
	height: auto;
}

a {
	color: inherit;
	text-decoration-thickness: 1px;
	text-underline-offset: .2em;
}

button,
input,
textarea,
select {
	border-radius: 0;
	font: inherit;
}

button {
	border: 0;
	background: transparent;
	color: inherit;
	cursor: pointer;
}

:where(a, button, input, textarea, select):focus-visible {
	outline: 2px solid var(--color-text);
	outline-offset: 4px;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus {
	position: fixed;
	top: 1rem;
	left: 1rem;
	z-index: 1000;
	width: auto;
	height: auto;
	padding: .75rem 1rem;
	margin: 0;
	overflow: visible;
	clip: auto;
	background: var(--color-surface);
	color: var(--color-text);
}

.front-shell,
.content-shell,
.site-header__inner,
.site-footer__inner {
	width: min(calc(100% - (var(--page-pad) * 2)), var(--layout-max));
	margin-inline: auto;
}

.site-header {
	position: fixed;
	top: 0;
	right: 0;
	left: 0;
	z-index: 100;
	border-bottom: 1px solid transparent;
	background: rgba(247, 248, 246, .96);
	transition:
		background-color 240ms var(--ease-standard),
		border-color 240ms var(--ease-standard);
}

.home .site-header:not(.is-scrolled):not(.is-menu-active) {
	background: transparent;
}

.site-header.is-scrolled,
.site-header.is-menu-active {
	border-color: rgba(34, 40, 44, .1);
	background: rgba(247, 248, 246, .96);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--header-height);
	gap: 2rem;
}

.site-header__logo {
	position: relative;
	z-index: 102;
	display: block;
	width: 98px;
	flex: 0 0 auto;
}

.site-header__logo img {
	width: 100%;
}

.site-nav {
	position: fixed;
	inset: 0;
	z-index: 101;
	display: grid;
	align-content: center;
	padding: calc(var(--header-height) + 3rem) var(--page-pad) 3rem;
	visibility: hidden;
	background: var(--color-bg);
	opacity: 0;
	transform: translateY(-12px);
	transition:
		opacity 240ms var(--ease-standard),
		transform 360ms var(--ease-out),
		visibility 0s linear 360ms;
}

.site-nav.is-open {
	visibility: visible;
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0s;
}

.site-nav__list {
	display: flex;
	flex-direction: column;
	gap: 0;
	width: min(100%, 32rem);
	padding: 0;
	margin: 0 auto;
	list-style: none;
}

.site-nav__item,
.site-nav__list > li {
	border-top: 1px solid var(--color-line);
}

.site-nav__link,
.site-nav__list > li > a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 3.75rem;
	font-family: var(--font-en);
	font-size: clamp(1.25rem, 6vw, 2rem);
	font-weight: 500;
	letter-spacing: -.02em;
	text-decoration: none;
}

.site-nav__list > li:last-child > a::after,
.site-nav__item--contact .site-nav__link::after {
	content: "→";
	font-size: .85em;
}

.menu-toggle {
	position: relative;
	z-index: 102;
	display: grid;
	width: 44px;
	height: 44px;
	place-items: center;
	padding: 0;
}

.menu-toggle__lines,
.menu-toggle__lines::before,
.menu-toggle__lines::after {
	display: block;
	width: 24px;
	height: 1px;
	background: currentColor;
	transition:
		transform 300ms var(--ease-out),
		opacity 180ms ease;
}

.menu-toggle__lines {
	position: relative;
}

.menu-toggle__lines::before,
.menu-toggle__lines::after {
	position: absolute;
	left: 0;
	content: "";
}

.menu-toggle__lines::before {
	top: -7px;
}

.menu-toggle__lines::after {
	top: 7px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines {
	background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines::before {
	transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines::after {
	transform: translateY(-7px) rotate(-45deg);
}

.front-section {
	position: relative;
	padding-block: var(--section-space);
}

.washi-surface {
	isolation: isolate;
}

.washi-surface::before {
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image: var(--washi-texture);
	background-repeat: repeat;
	background-size: 640px 640px;
	content: "";
	opacity: .15;
	pointer-events: none;
}

.site-main--content.washi-surface {
	background: var(--color-bg);
}

.site-main--content.washi-surface::before {
	opacity: .14;
}

.material-line {
	display: block;
	width: clamp(3.5rem, 7vw, 6rem);
	height: 5px;
	border-bottom: 1px solid var(--color-wood-light);
	background: var(--color-wood);
}

.front-section__eyebrow--wood::before {
	width: clamp(2.75rem, 5vw, 4.5rem);
	height: 5px;
	border-bottom: 1px solid var(--color-wood-light);
	background: var(--color-wood);
}

.front-section__header {
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.front-section__eyebrow,
.content-header__eyebrow {
	display: flex;
	align-items: center;
	gap: .75rem;
	margin: 0 0 1rem;
	color: var(--color-text-sub);
	font-family: var(--font-en);
	font-size: .6875rem;
	font-weight: 600;
	letter-spacing: .16em;
	line-height: 1.4;
}

.front-section__eyebrow::before,
.content-header__eyebrow::before {
	width: 24px;
	height: 1px;
	background: var(--color-accent-sub);
	content: "";
}

.front-section__title,
.content-entry__title {
	margin: 0;
	font-size: clamp(2.4rem, 7vw, 5.5rem);
	font-weight: 600;
	line-height: 1.08;
	letter-spacing: -.045em;
}

.reveal-mask {
	display: block;
	overflow: hidden;
}

.text-link,
.back-link {
	display: inline-flex;
	align-items: center;
	gap: 1.25rem;
	margin-top: 3rem;
	padding-bottom: .55rem;
	border-bottom: 1px solid var(--color-text);
	font-family: var(--font-en);
	font-size: .75rem;
	font-weight: 600;
	letter-spacing: .1em;
	line-height: 1.4;
	text-decoration: none;
	transition: color 180ms ease, border-color 180ms ease;
}

.text-link:hover,
.back-link:hover {
	border-color: var(--color-accent);
	color: var(--color-text-sub);
}

.text-link--arrow span {
	font-size: 1.2em;
	transition: transform 220ms var(--ease-out);
}

.text-link--arrow:hover span {
	transform: translateX(5px);
}

.news-list {
	margin-top: clamp(3rem, 7vw, 5rem);
	border-top: 1px solid rgba(34, 40, 44, .2);
}

.news-row {
	margin: 0;
	border-bottom: 1px solid rgba(34, 40, 44, .16);
}

.news-row__link {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: .55rem 1rem;
	align-items: center;
	padding: clamp(1.5rem, 3vw, 2.2rem) 0;
	text-decoration: none;
}

.news-row__date,
.news-row__label {
	font-family: var(--font-en);
	font-size: .6875rem;
	letter-spacing: .09em;
}

.news-row__date {
	color: var(--color-text-sub);
}

.news-row__label {
	grid-column: 2;
	grid-row: 1;
	color: #697e87;
}

.news-row__title {
	grid-column: 1 / -1;
	grid-row: 2;
	margin: 0;
	padding-right: 2.5rem;
	font-size: clamp(1.05rem, 2vw, 1.35rem);
	font-weight: 500;
	line-height: 1.6;
	transition: color 220ms ease;
}

.news-row__arrow {
	grid-column: 2;
	grid-row: 2;
	font-family: var(--font-en);
	transition: transform 280ms var(--ease-out);
}

.news-row__link:hover .news-row__title {
	color: #697e87;
}

.news-row__link:hover .news-row__arrow {
	transform: translateX(.4rem);
}

.image-reveal__inner {
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.image-reveal__inner > img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.image-placeholder {
	display: grid;
	width: 100%;
	height: 100%;
	min-height: inherit;
	place-items: center;
	background: var(--color-surface-soft);
	color: var(--color-text-sub);
}

.image-placeholder img {
	width: clamp(70px, 18%, 130px);
	opacity: .07;
}

.image-placeholder span {
	font-family: var(--font-en);
	font-size: .625rem;
	font-weight: 600;
	letter-spacing: .16em;
}

.site-main--content {
	padding-top: var(--header-height);
}

.content-shell {
	padding-block: clamp(5rem, 12vw, 9rem);
}

.content-shell--centered {
	text-align: center;
}

.content-entry__body {
	max-width: 70ch;
	margin-top: 3rem;
}

.content-entry__body > :first-child {
	margin-top: 0;
}

.content-entry__body img {
	margin-block: 2rem;
}

.site-footer {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	padding: clamp(4rem, 8vw, 7rem) 0 2rem;
	background: var(--color-washi-deep);
	color: var(--color-text);
}

.site-footer::before {
	position: absolute;
	inset: 0;
	z-index: -1;
	background-image: var(--washi-texture);
	background-repeat: repeat;
	background-position: 37px 19px;
	background-size: 640px 640px;
	content: "";
	opacity: .21;
	pointer-events: none;
}

.site-footer::after {
	position: absolute;
	top: 0;
	left: max(var(--page-pad), calc((100% - var(--layout-max)) / 2));
	width: clamp(4rem, 11vw, 9rem);
	height: 5px;
	border-bottom: 1px solid var(--color-wood-light);
	background: var(--color-wood);
	content: "";
}

.site-footer__top,
.site-footer__bottom {
	display: grid;
	gap: 3rem;
}

.site-footer__top {
	padding-bottom: clamp(4rem, 8vw, 7rem);
}

.site-footer__logo {
	display: block;
	width: clamp(116px, 12vw, 156px);
}

.site-footer__tagline {
	margin: 1.25rem 0 0;
	font-size: .75rem;
	letter-spacing: .12em;
}

.site-footer__nav-list {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: .5rem 2rem;
	padding: 0;
	margin: 0;
	list-style: none;
}

.site-footer__nav-list a {
	display: inline-flex;
	padding-block: .3rem;
	font-family: var(--font-en);
	font-size: .6875rem;
	font-weight: 600;
	letter-spacing: .11em;
	text-decoration: none;
}

.site-footer__nav-list a::after {
	width: 0;
	height: 1px;
	margin: auto 0 auto .65rem;
	background: var(--color-text);
	content: "";
	transition: width 260ms var(--ease-out);
}

.site-footer__nav-list a:hover::after {
	width: 1.5rem;
}

.site-footer__bottom {
	padding-top: 1.75rem;
	border-top: 1px solid rgba(34, 40, 44, .14);
}

.site-footer__company p {
	margin: 0;
	color: var(--color-text-sub);
	font-size: .6875rem;
	line-height: 1.9;
}

.site-footer__company p:first-child {
	color: var(--color-text);
}

.site-footer__company a {
	text-decoration-color: var(--color-wood);
}

.site-footer__copy {
	margin: 0;
	color: var(--color-text-sub);
	font-family: var(--font-en);
	font-size: .625rem;
	letter-spacing: .09em;
}

.js [data-reveal]:not([data-reveal="heading"]):not([data-reveal="hero-title"]) {
	opacity: 0;
	transform: translateY(18px);
	transition:
		opacity 650ms var(--ease-out),
		transform 650ms var(--ease-out);
}

.js [data-reveal]:not([data-reveal="heading"]):not([data-reveal="hero-title"]).is-inview {
	opacity: 1;
	transform: translateY(0);
}

.js .reveal-mask > [data-reveal="heading"],
.js .reveal-mask > [data-reveal="hero-title"] {
	display: block;
	transform: translateY(112%);
	transition: transform 850ms var(--ease-out);
}

.js .reveal-mask > [data-reveal="heading"].is-inview,
.js .reveal-mask > [data-reveal="hero-title"].is-inview {
	transform: translateY(0);
}

.js [data-reveal-image] {
	overflow: hidden;
}

.js [data-reveal-image] .image-reveal__inner {
	clip-path: inset(0 0 100% 0);
	transform: scale(1.035);
	transition:
		clip-path 900ms var(--ease-out),
		transform 1100ms var(--ease-out);
}

.js [data-reveal-image].is-inview .image-reveal__inner {
	clip-path: inset(0 0 0 0);
	transform: scale(1);
}

@media (min-width: 768px) {
	:root {
		--page-pad: 36px;
		--section-space: clamp(7.5rem, 13vw, 10rem);
		--header-height: 76px;
	}

	.front-section__header {
		flex-direction: row;
		align-items: end;
		justify-content: space-between;
	}

	.site-footer__top {
		grid-template-columns: 1fr 1fr;
		align-items: start;
	}

	.site-footer__nav-list {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.site-footer__bottom {
		grid-template-columns: 1fr auto;
		align-items: end;
	}

	.news-row__link {
		grid-template-columns: 8rem 9rem minmax(0, 1fr) auto;
		gap: 1rem;
	}

	.news-row__date,
	.news-row__label,
	.news-row__title,
	.news-row__arrow {
		grid-row: 1;
	}

	.news-row__date {
		grid-column: 1;
	}

	.news-row__label {
		grid-column: 2;
	}

	.news-row__title {
		grid-column: 3;
		padding-right: 0;
	}

	.news-row__arrow {
		grid-column: 4;
	}
}

@media (min-width: 1024px) {
	:root {
		--page-pad: 56px;
		--section-space: clamp(9rem, 12vw, 11.25rem);
		--header-height: 80px;
	}

	.site-header__logo {
		width: 112px;
	}

	.site-nav {
		position: static;
		display: block;
		padding: 0;
		visibility: visible;
		background: transparent;
		opacity: 1;
		transform: none;
		transition: none;
	}

	.site-nav__list {
		flex-direction: row;
		align-items: center;
		gap: clamp(1.2rem, 2.2vw, 2.5rem);
		width: auto;
	}

	.site-nav__item,
	.site-nav__list > li {
		border: 0;
	}

	.site-nav__link,
	.site-nav__list > li > a {
		position: relative;
		display: inline-flex;
		min-height: auto;
		padding-block: .75rem;
		font-size: .6875rem;
		font-weight: 600;
		letter-spacing: .11em;
	}

	.site-nav__link::before,
	.site-nav__list > li > a::before {
		position: absolute;
		right: 0;
		bottom: .45rem;
		left: 0;
		height: 1px;
		background: currentColor;
		content: "";
		transform: scaleX(0);
		transform-origin: right;
		transition: transform 280ms var(--ease-out);
	}

	.site-nav__link:hover::before,
	.site-nav__list > li > a:hover::before,
	.site-nav__list > li.current-menu-item > a::before {
		transform: scaleX(1);
		transform-origin: left;
	}

	.site-nav__list > li:last-child > a,
	.site-nav__item--contact .site-nav__link {
		position: relative;
		gap: .75rem;
		padding: .68rem 1.15rem;
		border: 1px solid var(--color-text, #22282c);
		background-color: transparent;
		color: var(--color-text, #22282c);
		overflow: hidden;
		transition: color 320ms cubic-bezier(.16, 1, .3, 1),
		            border-color 320ms cubic-bezier(.16, 1, .3, 1),
		            transform 180ms ease;
		z-index: 1;
	}

	.site-nav__list > li:last-child > a::before,
	.site-nav__item--contact .site-nav__link::before {
		content: "";
		display: block !important;
		position: absolute;
		inset: 0;
		bottom: 0 !important;
		height: 100% !important;
		background: var(--color-text, #22282c);
		transform: scaleY(0);
		transform-origin: bottom center;
		transition: transform 320ms cubic-bezier(.22, 1, .36, 1);
		z-index: -1;
	}

	.site-nav__list > li:last-child > a::after,
	.site-nav__item--contact .site-nav__link::after {
		font-size: 1em;
		display: inline-block;
		transition: transform 320ms cubic-bezier(.22, 1, .36, 1);
	}

	.site-nav__list > li:last-child > a:hover,
	.site-nav__item--contact .site-nav__link:hover {
		color: var(--color-washi, #f7f4ec);
		border-color: var(--color-text, #22282c);
	}

	.site-nav__list > li:last-child > a:hover::before,
	.site-nav__item--contact .site-nav__link:hover::before {
		transform: scaleY(1);
		transform-origin: top center;
	}

	.site-nav__list > li:last-child > a:hover::after,
	.site-nav__item--contact .site-nav__link:hover::after {
		transform: translateX(4px);
	}

	.site-nav__list > li:last-child > a:active,
	.site-nav__item--contact .site-nav__link:active {
		transform: scale(.98);
	}

	.menu-toggle {
		display: none;
	}
}

@media (min-width: 1440px) {
	:root {
		--page-pad: 64px;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		animation-duration: .01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .01ms !important;
	}

	.js [data-reveal],
	.js .reveal-mask > [data-reveal],
	.js [data-reveal-image],
	.js [data-reveal-image] .image-reveal__inner {
		opacity: 1;
		clip-path: none;
		transform: none;
	}
}