:root {
	--ink: #1b1714;
	--muted: #6e675d;
	--paper: #fbf7ef;
	--panel: #fffdf8;
	--line: #ded4c4;
	--brass: #a98443;
	--sage: #8da092;
	--wine: #6e1f2f;
	--shadow: 0 24px 70px rgba(47, 37, 25, 0.12);
	--max: 1180px;
	--gutter: clamp(20px, 4vw, 56px);
	--display: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", serif;
	--body: "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--body);
	font-size: 16px;
	line-height: 1.8;
	letter-spacing: 0;
	overflow-x: hidden;
}

body::before {
	content: "";
	position: fixed;
	inset: 0;
	pointer-events: none;
	background-image:
		linear-gradient(rgba(27, 23, 20, 0.035) 1px, transparent 1px),
		linear-gradient(90deg, rgba(27, 23, 20, 0.025) 1px, transparent 1px);
	background-size: 72px 72px;
	mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 75%);
	z-index: -1;
}

img {
	display: block;
	height: auto;
	max-width: 100%;
}

a {
	color: inherit;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.22em;
}

button,
a {
	-webkit-tap-highlight-color: transparent;
}

:focus-visible {
	outline: 2px solid var(--wine);
	outline-offset: 4px;
}

.sr-only,
.skip-link {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
}

.skip-link:focus {
	position: fixed;
	top: 16px;
	left: 16px;
	width: auto;
	height: auto;
	clip: auto;
	padding: 10px 14px;
	background: var(--ink);
	color: var(--panel);
	z-index: 1000;
}

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 18px var(--gutter);
	transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
	background: rgba(251, 247, 239, 0.92);
	border-bottom: 1px solid rgba(222, 212, 196, 0.8);
	box-shadow: 0 10px 38px rgba(47, 37, 25, 0.08);
	backdrop-filter: blur(16px);
}

.brand {
	display: inline-flex;
	align-items: center;
	width: min(220px, 44vw);
}

.brand img {
	width: 100%;
}

.site-nav {
	display: flex;
	align-items: center;
	gap: clamp(18px, 3vw, 42px);
	font-family: var(--display);
	font-size: 0.86rem;
	text-transform: uppercase;
	letter-spacing: 0;
}

.site-nav a {
	position: relative;
	text-decoration: none;
}

.site-nav a::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -7px;
	height: 1px;
	background: currentColor;
	transform: scaleX(0);
	transform-origin: right;
	transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
	transform: scaleX(1);
	transform-origin: left;
}

.nav-toggle {
	display: none;
	width: 44px;
	height: 44px;
	padding: 0;
	border: 1px solid var(--line);
	background: rgba(255, 253, 248, 0.78);
	cursor: pointer;
}

.nav-toggle__line {
	display: block;
	width: 18px;
	height: 1px;
	margin: 6px auto;
	background: var(--ink);
	transition: transform 180ms ease;
}

.site-header.is-open .nav-toggle__line:first-child {
	transform: translateY(3.5px) rotate(32deg);
}

.site-header.is-open .nav-toggle__line:nth-child(2) {
	transform: translateY(-3.5px) rotate(-32deg);
}

.section-frame {
	width: min(var(--max), calc(100% - var(--gutter) * 2));
	margin-inline: auto;
}

.hero {
	position: relative;
	display: grid;
	grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 1.18fr);
	gap: clamp(28px, 5vw, 78px);
	min-height: 100vh;
	padding-top: clamp(128px, 16vh, 190px);
	padding-bottom: clamp(72px, 10vh, 112px);
	align-items: center;
}

.hero__copy {
	position: relative;
	z-index: 2;
}

.kicker {
	margin: 0 0 18px;
	color: var(--wine);
	font-family: var(--body);
	font-size: 0.74rem;
	font-weight: 700;
	letter-spacing: 0;
	text-transform: uppercase;
}

h1,
h2,
h3,
p {
	overflow-wrap: anywhere;
}

h1,
h2,
h3 {
	margin: 0;
	font-family: var(--display);
	font-weight: 500;
	line-height: 1.18;
}

h1 {
	font-size: 5.35rem;
	max-width: 7.4em;
}

h2 {
	font-size: 3.85rem;
}

h3 {
	font-size: 1.5rem;
}

.hero__lead {
	max-width: 520px;
	margin: 30px 0 0;
	color: var(--muted);
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 34px;
}

.button {
	display: inline-flex;
	min-height: 48px;
	align-items: center;
	justify-content: center;
	padding: 0 22px;
	border: 1px solid var(--ink);
	font-size: 0.88rem;
	font-weight: 700;
	text-decoration: none;
	transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button--dark {
	background: var(--ink);
	color: var(--panel);
}

.button--dark:hover {
	background: var(--wine);
	border-color: var(--wine);
}

.button--line:hover {
	background: var(--sage);
	border-color: var(--sage);
	color: var(--panel);
}

.hero__gallery {
	position: relative;
	display: grid;
	grid-template-columns: 1fr 0.52fr;
	gap: 14px;
	min-height: min(62vh, 720px);
}

.hero__image {
	margin: 0;
	overflow: hidden;
	border: 1px solid rgba(27, 23, 20, 0.1);
	background: var(--panel);
	box-shadow: var(--shadow);
}

.hero__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.hero__image--large {
	grid-row: 1 / 3;
	aspect-ratio: 4 / 5;
}

.hero__image--small {
	aspect-ratio: 3 / 4;
}

.hero__image--top {
	transform: translateY(28px);
}

.hero__image--bottom {
	transform: translateY(-18px);
}

.hero__note {
	position: absolute;
	right: 0;
	bottom: 36px;
	display: grid;
	grid-template-columns: repeat(4, auto);
	gap: 0;
	border: 1px solid var(--line);
	background: rgba(255, 253, 248, 0.86);
	backdrop-filter: blur(12px);
}

.hero__note span {
	display: block;
	padding: 10px 16px;
	border-right: 1px solid var(--line);
	color: var(--muted);
	font-size: 0.74rem;
	letter-spacing: 0;
	text-transform: uppercase;
}

.hero__note span:first-child {
	color: var(--wine);
	font-weight: 800;
}

.hero__note span:last-child {
	border-right: 0;
}

.section-heading {
	display: grid;
	gap: 16px;
	margin-bottom: clamp(30px, 5vw, 58px);
}

.section-heading--split {
	grid-template-columns: minmax(260px, 0.95fr) minmax(260px, 0.65fr);
	align-items: end;
}

.section-heading--split > p {
	margin: 0;
	color: var(--muted);
}

.about,
.process,
.feature,
.items,
.contents,
.information {
	padding-block: clamp(74px, 10vw, 132px);
	border-top: 1px solid var(--line);
}

.about__grid {
	display: grid;
	grid-template-columns: minmax(300px, 0.92fr) minmax(280px, 0.62fr);
	gap: clamp(28px, 5vw, 72px);
	align-items: center;
}

.about__image,
.process__image,
.feature__image {
	margin: 0;
	overflow: hidden;
	border: 1px solid rgba(27, 23, 20, 0.1);
	background: var(--panel);
}

.about__image {
	aspect-ratio: 49 / 30;
}

.about__image img,
.process__image img,
.feature__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.prose p,
.feature__copy p {
	margin: 0;
	color: var(--muted);
}

.prose p + p {
	margin-top: 1.2em;
}

.process {
	background: linear-gradient(90deg, transparent, rgba(141, 160, 146, 0.12) 55%, transparent);
}

.process__layout {
	display: grid;
	grid-template-columns: minmax(300px, 0.8fr) minmax(300px, 0.7fr);
	gap: clamp(28px, 5vw, 70px);
	align-items: stretch;
}

.process__image {
	aspect-ratio: 49 / 30;
	align-self: start;
}

.process__steps {
	display: grid;
	margin: 0;
	padding: 0;
	list-style: none;
	border-top: 1px solid var(--line);
}

.process__steps li {
	display: grid;
	grid-template-columns: 54px 1fr;
	gap: 18px;
	padding: 28px 0;
	border-bottom: 1px solid var(--line);
}

.process__steps span,
.item-card span {
	color: var(--brass);
	font-family: var(--display);
	font-size: 1.2rem;
	line-height: 1;
}

.process__steps p {
	grid-column: 2;
	margin: 8px 0 0;
	color: var(--muted);
}

.feature {
	display: grid;
	grid-template-columns: minmax(300px, 0.7fr) minmax(340px, 1fr);
	gap: clamp(30px, 6vw, 82px);
	align-items: center;
}

.feature__copy {
	padding: clamp(28px, 4vw, 48px);
	border-left: 3px solid var(--wine);
	background: rgba(255, 253, 248, 0.7);
}

.feature__copy p {
	margin-top: 24px;
}

.feature__image {
	aspect-ratio: 7 / 5;
}

.item-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 18px;
}

.item-card {
	display: grid;
	gap: 18px;
	padding-bottom: 24px;
	border-bottom: 1px solid var(--line);
}

.item-card--wide {
	grid-column: span 2;
}

.item-card img {
	width: 100%;
	aspect-ratio: 3 / 2;
	object-fit: cover;
	border: 1px solid rgba(27, 23, 20, 0.1);
	background: var(--panel);
}

.item-card h3 {
	margin-top: 10px;
}

.item-card p {
	margin: 10px 0 0;
	color: var(--muted);
	font-size: 0.93rem;
	line-height: 1.75;
}

.content-list {
	display: grid;
	grid-template-columns: repeat(6, 1fr);
	gap: 18px;
}

.content-list article {
	grid-column: span 2;
	display: grid;
	gap: 14px;
	padding: 0 0 22px;
	border-bottom: 1px solid var(--line);
}

.content-list article:nth-child(1),
.content-list article:nth-child(4) {
	grid-column: span 3;
}

.content-list img {
	width: 100%;
	aspect-ratio: 1 / 1;
	object-fit: cover;
	border: 1px solid rgba(27, 23, 20, 0.1);
	background: var(--panel);
}

.content-list h3 {
	font-size: 1.22rem;
}

.content-list p {
	margin: 0;
	color: var(--muted);
	font-size: 0.9rem;
}

.news-list {
	margin: 0;
	padding: 0;
	list-style: none;
	border-top: 1px solid var(--line);
}

.news-list li {
	display: grid;
	grid-template-columns: minmax(130px, 0.22fr) 1fr;
	gap: 18px;
	padding: 22px 0;
	border-bottom: 1px solid var(--line);
}

.news-list time {
	color: var(--muted);
	font-size: 0.88rem;
}

.news-list span {
	font-family: var(--display);
	font-size: 1.5rem;
}

.site-footer {
	display: grid;
	grid-template-columns: minmax(220px, 1fr) auto;
	gap: 34px;
	align-items: end;
	padding: clamp(42px, 6vw, 78px) var(--gutter);
	background: var(--ink);
	color: var(--paper);
}

.site-footer img {
	width: 180px;
	filter: brightness(0) invert(1);
}

.site-footer p {
	max-width: 520px;
	margin: 16px 0 0;
	color: rgba(251, 247, 239, 0.72);
}

.site-footer nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: 14px 26px;
	font-family: var(--display);
	font-size: 0.9rem;
	text-transform: uppercase;
	letter-spacing: 0;
}

.site-footer .copyright {
	grid-column: 1 / -1;
	max-width: none;
	margin: 18px 0 0;
	border-top: 1px solid rgba(251, 247, 239, 0.18);
	padding-top: 18px;
	font-size: 0.8rem;
}

.back-top {
	position: fixed;
	right: clamp(16px, 3vw, 30px);
	bottom: clamp(16px, 3vw, 30px);
	width: 48px;
	height: 48px;
	border: 1px solid var(--ink);
	background: var(--panel);
	box-shadow: 0 12px 34px rgba(47, 37, 25, 0.14);
	cursor: pointer;
	opacity: 0;
	pointer-events: none;
	transform: translateY(12px);
	transition: opacity 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.back-top.is-visible {
	opacity: 1;
	pointer-events: auto;
	transform: translateY(0);
}

.back-top:hover {
	background: var(--ink);
}

.back-top span {
	position: absolute;
	inset: 0;
	margin: auto;
	width: 13px;
	height: 13px;
	border-top: 1px solid currentColor;
	border-left: 1px solid currentColor;
	color: var(--ink);
	transform: translateY(4px) rotate(45deg);
}

.back-top:hover span {
	color: var(--panel);
}

@media (max-width: 1100px) {
	h1 {
		font-size: 4.1rem;
	}

	h2 {
		font-size: 3rem;
	}
}

@media (max-width: 920px) {
	.site-header {
		padding-block: 14px;
	}

	.nav-toggle {
		display: block;
	}

	.site-nav {
		position: fixed;
		top: 73px;
		left: var(--gutter);
		right: var(--gutter);
		display: grid;
		gap: 0;
		padding: 8px 0;
		background: rgba(255, 253, 248, 0.96);
		border: 1px solid var(--line);
		box-shadow: var(--shadow);
		opacity: 0;
		pointer-events: none;
		transform: translateY(-8px);
		transition: opacity 180ms ease, transform 180ms ease;
	}

	.site-header.is-open .site-nav {
		opacity: 1;
		pointer-events: auto;
		transform: translateY(0);
	}

	.site-nav a {
		padding: 16px 18px;
		border-bottom: 1px solid var(--line);
	}

	.site-nav a:last-child {
		border-bottom: 0;
	}

	.site-nav a::after {
		content: none;
	}

	.hero,
	.about__grid,
	.process__layout,
	.feature,
	.section-heading--split {
		grid-template-columns: 1fr;
	}

	h1 {
		font-size: 3.75rem;
	}

	h2 {
		font-size: 2.8rem;
	}

	.hero {
		min-height: 0;
	}

	.hero__gallery {
		min-height: 520px;
	}

	.hero__note {
		position: static;
		grid-column: 1 / -1;
		margin-top: 10px;
	}

	.item-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.content-list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.content-list article,
	.content-list article:nth-child(1),
	.content-list article:nth-child(4) {
		grid-column: span 1;
	}
}

@media (max-width: 620px) {
	body {
		font-size: 15px;
	}

	.section-frame {
		width: min(var(--max), calc(100% - 32px));
	}

	.hero {
		padding-top: 116px;
		padding-bottom: 58px;
	}

	h1 {
		font-size: 2.65rem;
	}

	h2 {
		font-size: 2.15rem;
	}

	h3,
	.content-list h3 {
		font-size: 1.14rem;
	}

	.news-list span {
		font-size: 1.24rem;
	}

	.hero__actions,
	.site-footer nav {
		display: grid;
		grid-template-columns: 1fr;
	}

	.button {
		width: 100%;
	}

	.hero__gallery {
		grid-template-columns: 1fr 0.56fr;
		gap: 10px;
		min-height: 360px;
	}

	.hero__note {
		grid-template-columns: repeat(2, 1fr);
	}

	.hero__note span:nth-child(2) {
		border-right: 0;
	}

	.hero__note span:nth-child(-n + 2) {
		border-bottom: 1px solid var(--line);
	}

	.about,
	.process,
	.feature,
	.items,
	.contents,
	.information {
		padding-block: 66px;
	}

	.feature__copy {
		padding: 24px 20px;
	}

	.item-grid,
	.content-list {
		grid-template-columns: 1fr;
	}

	.item-card--wide {
		grid-column: auto;
	}

	.process__steps li {
		grid-template-columns: 42px 1fr;
		gap: 14px;
	}

	.news-list li {
		grid-template-columns: 1fr;
		gap: 6px;
	}

	.site-footer {
		grid-template-columns: 1fr;
	}

	.site-footer nav {
		justify-content: start;
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}

	.hero__image--top,
	.hero__image--bottom,
	.back-top {
		transform: none;
	}
}