*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

:root {
	--ink: #1c1a17;
	--stone: #f5f2ed;
	--warm: #e8e2d9;
	--moss: #3a4a35;
	--sand: #c8bb9f;
	--muted: #8a8278;
	--white: #faf9f6;
}

html {
	scroll-behavior: smooth;
}

body {
	background: var(--white);
	color: var(--ink);
	font-family: 'DM Sans', sans-serif;
	font-weight: 300;
	line-height: 1.7;
	overflow-x: hidden;
}

nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	padding: 24px 60px 40px;
	background: transparent;
	transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

nav::before {
	content: '';
	position: absolute;
	inset: 0;
	z-index: -1;
	backdrop-filter: blur(10px);
	-webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
	mask-image: linear-gradient(to bottom, black 50%, transparent 100%);
	opacity: 1;
	transition: opacity 0.5s ease;
}

nav.over-hero::before {
	opacity: 0;
}


.nav-logo {
	font-family: 'Cormorant Garamond', serif;
	font-size: var(--logo-size, 29px);
	font-weight: 400;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--muted);
	text-decoration: none;
	transition: color 0.5s ease;
}

nav.over-hero .nav-logo {
	color: rgba(255, 255, 255, 0.75);
}

.nav-logo span {
	display: block;
	font-family: 'Noto Serif JP', serif;
	font-size: 11px;
	font-weight: 300;
	letter-spacing: 0.12em;
	color: var(--muted);
	margin-top: 2px;
	transition: color 0.5s ease;
}

nav.over-hero .nav-logo span {
	color: rgba(255, 255, 255, 0.75);
}

.nav-links {
	display: flex;
	gap: 40px;
	list-style: none;
}

.nav-links a {
	font-size: 13px;
	font-weight: 300;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--muted);
	text-decoration: none;
	transition: color 0.2s;
}

nav.over-hero .nav-links a {
	color: rgba(255, 255, 255, 0.75);
}

.nav-links a:hover {
	color: var(--ink);
}

#hero {
	min-height: 100vh;
	position: relative;
	display: flex;
	align-items: flex-end;
	background-color: #b0aca6;
	overflow: hidden;
}

#hero-slides {
	position: absolute;
	inset: 0;
	z-index: 0;
}

.hero-slide {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	opacity: 0;
	transition: opacity 1.5s ease;
}

.hero-slide.active {
	opacity: 1;
}

.hero-slide::after {
	content: '';
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.3);
}

#hero::after {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.1) 60%, transparent 100%);
	pointer-events: none;
}

.hero-caption {
	position: absolute;
	bottom: 40px;
	right: 60px;
	z-index: 2;
	font-size: 11px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.45);
	text-align: right;
	transition: opacity 0.6s ease;
}

.hero-caption.fading {
	opacity: 0;
}

.hero-left {
	position: relative;
	z-index: 2;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: 120px 60px 80px;
}

.hero-eyebrow {
	font-size: 12px;
	letter-spacing: 0.25em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.7);
	margin-bottom: 32px;
}

.hero-title {
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(46px, 5.5vw, 79px);
	font-weight: 300;
	line-height: 1.2;
	color: var(--white);
	margin-bottom: 40px;
}

.hero-title em {
	font-style: italic;
	color: rgba(255, 255, 255, 0.75);
}

.hero-body {
	font-family: 'Noto Serif JP', serif;
	font-size: 14px;
	line-height: 2.2;
	color: rgba(255, 255, 255, 0.65);
	max-width: 380px;
	margin-bottom: 56px;
}

.hero-cta {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	font-size: 12px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--white);
	text-decoration: none;
	border-bottom: 1px solid rgba(255, 255, 255, 0.5);
	padding-bottom: 4px;
	padding-left: 0;
	transition: gap 0.3s, padding-left 0.4s ease;
}

.hero-cta:hover {
	gap: 20px;
	padding-left: 20px;
}

section {
	padding: 120px max(60px, calc((100% - 1480px) / 2));
	scroll-margin-top: 80px;
}

.section-label {
	font-size: 11px;
	letter-spacing: 0.3em;
	text-transform: uppercase;
	color: var(--moss);
	margin-bottom: 24px;
}

.section-title {
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(35px, 4.4vw, 57px);
	font-weight: 300;
	line-height: 1.25;
	color: var(--ink);
	margin-bottom: 48px;
}

.section-title em {
	font-style: italic;
	color: var(--moss);
}

.line-divider {
	width: 48px;
	height: 1px;
	background: var(--sand);
	margin-bottom: 48px;
}

#about {
	background: var(--white);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 80px;
	align-items: start;
}

.about-text p {
	font-family: 'Noto Serif JP', serif;
	font-size: 15px;
	line-height: 2.4;
	color: #4a4640;
	margin-bottom: 24px;
}

.about-values {
	border-top: 1px solid var(--warm);
}

.value-item {
	padding: 28px 0;
	border-bottom: 1px solid var(--warm);
	display: grid;
	grid-template-columns: 48px 1fr;
	gap: 24px;
	align-items: start;
}

.value-num {
	font-family: 'Cormorant Garamond', serif;
	font-size: 31px;
	font-weight: 300;
	font-style: italic;
	color: var(--sand);
	line-height: 1;
	padding-top: 4px;
}

.value-content h3 {
	font-size: 14px;
	font-weight: 400;
	letter-spacing: 0.05em;
	color: var(--ink);
	margin-bottom: 6px;
}

.value-content p {
	font-family: 'Noto Serif JP', serif;
	font-size: 13px;
	line-height: 2;
	color: var(--muted);
}

#business {
	background: var(--stone);
}

.business-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2px;
	margin-top: 64px;
}

.business-card {
	background: var(--white);
	padding: 56px 48px;
	position: relative;
	overflow: hidden;
}

.business-card:hover {
	background: var(--moss);
}

.business-card:hover .bc-num,
.business-card:hover .bc-title,
.business-card:hover .bc-body {
	color: rgba(255, 255, 255, 0.9);
}

.business-card:hover .bc-tag {
	background: rgba(255, 255, 255, 0.15);
	color: rgba(255, 255, 255, 0.7);
}

.business-card:hover .bc-title-ja {
	color: rgba(255, 255, 255, 0.5);
}

.bc-num {
	font-family: 'Cormorant Garamond', serif;
	font-size: 70px;
	font-weight: 300;
	font-style: italic;
	color: var(--warm);
	line-height: 1;
	margin-bottom: 32px;
	transition: color 0.4s ease;
}

.bc-title {
	font-family: 'Cormorant Garamond', serif;
	font-size: 29px;
	font-weight: 400;
	color: var(--ink);
	margin-bottom: 8px;
	transition: color 0.4s ease;
}

.bc-title-ja {
	font-family: 'Noto Serif JP', serif;
	font-size: 12px;
	color: var(--muted);
	margin-bottom: 24px;
	transition: color 0.4s ease;
}

.bc-body {
	font-family: 'Noto Serif JP', serif;
	font-size: 14px;
	line-height: 2.2;
	color: var(--muted);
	margin-bottom: 32px;
	transition: color 0.4s ease;
}

.bc-tags {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.bc-tag {
	font-size: 11px;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--muted);
	background: var(--warm);
	padding: 4px 12px;
	border-radius: 2px;
	transition: background 0.4s ease, color 0.4s ease;
}

.business-card.soon {
	background: var(--stone);
	border: 1px dashed var(--sand);
}

.business-card.soon:hover {
	background: var(--moss);
	border-color: var(--moss);
}

.soon-badge {
	position: absolute;
	top: 20px;
	right: 20px;
	display: inline-block;
	font-size: 10px;
	letter-spacing: 0.25em;
	text-transform: uppercase;
	color: var(--moss);
	background: rgba(58, 74, 53, 0.08);
	padding: 4px 10px;
	border-radius: 2px;
	margin-bottom: 20px;
	transition: color 0.4s ease, background 0.4s ease;
}

.business-card.soon:hover .soon-badge {
	color: rgba(255, 255, 255, 0.7);
	background: rgba(255, 255, 255, 0.1);
}

#brands {
	background: var(--ink);
	color: var(--stone);
}

#brands .section-label {
	color: var(--sand);
}

#brands .section-title {
	color: var(--stone);
}

.brands-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1px;
	background: rgba(255, 255, 255, 0.08);
	margin-top: 64px;
}

.brand-card {
	position: relative;
	background-color: var(--ink);
	background-image: var(--brand-img, none);
	background-size: cover;
	background-position: center;
	padding: 64px 56px;
	text-decoration: none;
	display: block;
	cursor: pointer;
}

.brand-card::before {
	content: '';
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.52);
	transition: background 0.4s ease;
	pointer-events: none;
}

.brand-card:hover::before {
	background: rgba(0, 0, 0, 0.65);
}

.brand-card > * {
	position: relative;
	z-index: 1;
}

.brand-name {
	font-family: 'Cormorant Garamond', serif;
	font-size: 40px;
	font-weight: 300;
	color: var(--stone);
	margin-bottom: 6px;
	letter-spacing: 0.04em;
}

.brand-sub {
	font-size: 11px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--sand);
	margin-bottom: 28px;
}

.brand-desc {
	font-family: 'Noto Serif JP', serif;
	font-size: 14px;
	line-height: 2.3;
	color: rgba(245, 242, 237, 0.8);
	max-width: 440px;
}

.brand-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-top: 32px;
	font-size: 11px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--sand);
	text-decoration: none;
	border-bottom: 1px solid rgba(200, 187, 159, 0.3);
	padding-bottom: 3px;
	padding-left: 0;
	transition: gap 0.3s, padding-left 0.4s ease, border-color 0.3s;
}

.brand-card:hover .brand-link {
	gap: 14px;
	padding-left: 20px;
	border-color: var(--sand);
}

.brand-notice {
	margin-top: 24px;
	display: inline-block;
	font-family: 'Noto Serif JP', serif;
	font-size: 11px;
	color: rgba(200,187,159,0.7);
	border: 1px solid rgba(200,187,159,0.3);
	padding: 4px 12px;
	letter-spacing: 0.08em;
}

#company {
	background: var(--white);
}

.company-grid {
	display: grid;
	grid-template-columns: 1fr 1.6fr;
	gap: 80px;
	align-items: stretch;
	margin-top: 64px;
}

.company-grid > div:first-child {
	height: 100%;
}

.profile-photo {
	width: 100%;
	height: 100%;
	background: var(--warm);
	background-image: url('image/portrait_pc.jpg');
	background-size: cover;
	background-position: center top;
}

.profile-photo-label {
	font-size: 11px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--muted);
}

.profile-name-ja {
	font-family: 'Noto Serif JP', serif;
	font-size: 24px;
	font-weight: 400;
	color: var(--ink);
	margin: 12px 0 4px;
}

.profile-name-en {
	font-family: 'Cormorant Garamond', serif;
	font-size: 15px;
	font-style: italic;
	color: var(--muted);
	letter-spacing: 0.1em;
	margin-bottom: 6px;
}

.profile-role {
	font-size: 11px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--moss);
	margin-bottom: 24px;
}

.profile-divider {
	width: 32px;
	height: 1px;
	background: var(--sand);
	margin-bottom: 24px;
}

.profile-body {
	font-family: 'Noto Serif JP', serif;
	font-size: 14px;
	line-height: 2.6;
	color: #4a4640;
	margin-bottom: 56px;
}

.company-table {
	width: 100%;
	border-collapse: collapse;
}

.company-table tr {
	border-bottom: 1px solid var(--warm);
}

.company-table tr:first-child {
	border-top: 1px solid var(--warm);
}

.company-table td {
	padding: 10px 0;
	vertical-align: top;
	font-family: 'Noto Serif JP', serif;
	font-size: 14px;
	line-height: 1.9;
}

.company-table td:first-child {
	width: 130px;
	color: var(--muted);
	font-size: 12px;
	letter-spacing: 0.05em;
	padding-right: 24px;
	white-space: nowrap;
}

.company-table td:last-child {
	color: var(--ink);
}

.company-name-en {
	color: #8a8278;
	font-size: 12px;
}

#contact {
	background: var(--moss);
	text-align: center;
	padding: 140px max(60px, calc((100% - 1480px) / 2));
}

#contact .section-label {
	color: rgba(255, 255, 255, 0.5);
}

#contact .section-title {
	color: var(--stone);
	margin-bottom: 24px;
}

.contact-body {
	font-family: 'Noto Serif JP', serif;
	font-size: 14px;
	line-height: 2.4;
	color: rgba(245, 242, 237, 0.6);
	max-width: 540px;
	margin: 0 auto 64px;
}

.contact-btn {
	display: inline-block;
	padding: 18px 56px;
	background: transparent;
	border: 1px solid rgba(245, 242, 237, 0.5);
	font-size: 12px;
	letter-spacing: 0.25em;
	text-transform: uppercase;
	color: var(--stone);
	text-decoration: none;
	transition: background 0.3s, border-color 0.3s;
}

.contact-btn:hover {
	background: rgba(245, 242, 237, 0.1);
	border-color: var(--stone);
}

.contact-note {
	margin-top: 40px;
	font-size: 12px;
	letter-spacing: 0.1em;
	color: rgba(245, 242, 237, 0.35);
}

footer {
	background: var(--ink);
	padding: 48px max(60px, calc((100% - 1480px) / 2));
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.footer-logo {
	font-family: 'Cormorant Garamond', serif;
	font-size: 15px;
	font-weight: 400;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: rgba(245, 242, 237, 0.6);
}

.footer-logo span {
	display: block;
	font-family: 'Noto Serif JP', serif;
	font-size: 11px;
	color: rgba(245, 242, 237, 0.3);
	margin-top: 4px;
}

.footer-copy {
	font-size: 11px;
	letter-spacing: 0.12em;
	color: rgba(245, 242, 237, 0.25);
}

.fade-in {
	opacity: 0;
	transform: translateY(36px);
	transition: opacity 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
	opacity: 1;
	transform: translateY(0);
}

/* カード固有のtransitionは .fade-in より後に置いてカスケードで勝つ */
.business-card {
	transition: background 0.4s ease, border-color 0.4s ease, opacity 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-card {
	transition: background 0.4s ease, opacity 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =============================================
   Mobile menu overlay
   ============================================= */
.mobile-menu {
	display: flex;
	position: fixed;
	inset: 0;
	z-index: 102;
	background: var(--white);
	flex-direction: column;
	padding: 20px;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu.open {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
}

.mobile-menu-header {
	padding-top: 0;
}

.mobile-menu-logo {
	font-family: 'Cormorant Garamond', serif;
	font-size: 18px;
	font-weight: 400;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--ink);
	text-decoration: none;
}

.mobile-menu-logo span {
	display: block;
	font-family: 'Noto Serif JP', serif;
	font-size: 11px;
	font-weight: 300;
	letter-spacing: 0.12em;
	color: var(--muted);
	margin-top: 4px;
}

.mobile-menu-nav ul {
	list-style: none;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.mobile-menu-nav li {
	flex: 1;
	display: flex;
	align-items: center;
	border-bottom: 1px solid var(--warm);
	opacity: 0;
	transform: translateY(-10px);
	transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu-nav li:first-child {
	border-top: 1px solid var(--warm);
}

.mobile-menu.open .mobile-menu-nav li:nth-child(1) {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.14s;
}

.mobile-menu.open .mobile-menu-nav li:nth-child(2) {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.20s;
}

.mobile-menu.open .mobile-menu-nav li:nth-child(3) {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.26s;
}

.mobile-menu.open .mobile-menu-nav li:nth-child(4) {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.32s;
}

.mobile-menu.open .mobile-menu-nav li:nth-child(5) {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.38s;
}

.mobile-menu-nav a {
	display: block;
	width: 100%;
	font-family: 'Cormorant Garamond', serif;
	font-size: clamp(31px, 7.7vw, 44px);
	font-weight: 300;
	font-style: italic;
	letter-spacing: 0.04em;
	color: var(--ink);
	text-decoration: none;
	transition: color 0.2s, padding-left 0.2s;
}

.mobile-menu-nav a:hover {
	color: var(--moss);
	padding-left: 8px;
}

.mobile-menu-nav {
	flex: 1;
	display: flex;
	flex-direction: column;
	margin-top: 16px;
}

.mobile-menu-footer {
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding-top: 16px;
	opacity: 0;
	transition: opacity 0.4s ease;
	transition-delay: 0s;
}

.mobile-menu.open .mobile-menu-footer {
	opacity: 1;
	transition-delay: 0.44s;
}

.mobile-menu-footer span {
	font-size: 11px;
	letter-spacing: 0.12em;
	color: var(--muted);
}

/* =============================================
   Hamburger button (hidden on desktop)
   ============================================= */
.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: space-between;
	width: 24px;
	height: 16px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0;
	position: fixed;
	top: 30px;
	right: 20px;
	z-index: 103;
}

.nav-toggle span {
	display: block;
	width: 100%;
	height: 1px;
	background: var(--muted);
	transition: transform 0.35s ease, opacity 0.35s ease, background 0.5s ease;
}

nav.over-hero ~ .nav-toggle span {
	background: rgba(255, 255, 255, 0.75);
}

.nav-toggle.open span:nth-child(1) {
	transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
	opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
	transform: translateY(-7.5px) rotate(-45deg);
}

/* =============================================
   Tablet  769px – 1024px
   ============================================= */
@media (max-width: 1024px) {
	nav {
		padding: 20px 40px;
	}

	section {
		padding: 100px 40px;
	}

	.hero-left {
		padding: 100px 40px 72px;
	}

	#about {
		gap: 56px;
	}

	.business-card {
		padding: 48px 36px;
	}

	.brand-card {
		padding: 56px 40px;
	}

	.company-grid {
		gap: 56px;
	}

	footer {
		padding: 40px 40px;
	}
}

/* =============================================
   Mobile  ≤ 768px
   ============================================= */
@media (max-width: 768px) {

	/* --- Global --- */
	br.br-pc { display: none; }

	/* --- Nav --- */
	nav {
		padding: 18px 24px 72px;
	}

	.nav-toggle {
		display: flex;
	}

	.nav-links {
		display: none;
	}

	/* --- Hero --- */
	#hero {
		min-height: 100svh;
	}

	.hero-caption {
		right: 24px;
		bottom: 28px;
	}

	.hero-left {
		padding: 96px 12px 64px;
	}

	.hero-title {
		font-size: clamp(42px, 11vw, 62px);
	}

	.hero-body {
		font-size: 14px;
		max-width: 100%;
		margin-bottom: 48px;
	}

	/* --- Common sections --- */
	section {
		padding: 80px 24px;
	}

	.section-title {
		margin-bottom: 36px;
	}

	/* --- About --- */
	#about {
		grid-template-columns: 1fr;
		gap: 48px;
	}

	/* --- Business --- */
	.business-grid {
		grid-template-columns: 1fr;
	}

	.business-card {
		padding: 40px 28px;
	}

	/* --- Brands --- */
	.brands-grid {
		grid-template-columns: 1fr;
	}

	.brand-card {
		padding: 48px 28px;
	}

	.brand-name {
		font-size: 33px;
	}

	/* --- Company --- */
	.company-grid {
		grid-template-columns: 1fr;
		gap: 24px;
		margin-top: 48px;
	}

	.profile-photo {
		width: 100%;
		height: 260px;
		background-image: url('image/portrait_sp.jpg');
	}

	.br-pc {
		display: none;
	}

	/* --- Contact --- */
	#contact {
		padding: 100px 24px;
	}

	.contact-body {
		font-size: 14px;
	}

	.contact-btn {
		padding: 16px 40px;
	}

	/* --- Footer --- */
	footer {
		flex-direction: column;
		align-items: flex-start;
		gap: 20px;
		padding: 40px 24px;
	}
}