/**
 * トップページ専用スタイル
 */

/* ===== Hero ===== */
.section-hero {
	position: relative;
	min-height: calc(100svh - var(--header-height));
	background-color: var(--color-charcoal);
	overflow: hidden;
	display: flex;
	align-items: center;
}

.section-hero__inner {
	display: grid;
	grid-template-columns: 55% 45%;
	align-items: center;
	gap: var(--space-lg);
	padding-top: clamp(3rem, 8vw, 6rem);
	padding-bottom: clamp(3rem, 8vw, 6rem);
}

.section-hero__eyebrow {
	font-family: var(--font-en-serif);
	font-style: italic;
	font-size: var(--fs-label);
	letter-spacing: var(--letter-spacing-label);
	color: var(--color-gold);
	margin-bottom: var(--space-sm);
}

.section-hero__heading {
	font-family: var(--font-jp-serif);
	font-size: var(--fs-hero);
	font-weight: 800;
	letter-spacing: 0.06em;
	line-height: 1.3;
	color: var(--color-cream-soft);
	margin-bottom: var(--space-md);
}

.section-hero__desc {
	font-size: 0.9375rem;
	line-height: var(--lh-body);
	color: var(--color-text-muted-on-dark);
	margin-bottom: var(--space-md);
	max-width: 480px;
}

.section-hero__buttons {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-sm);
	align-items: center;
}

.section-hero__media {
	position: relative;
	aspect-ratio: 3 / 4;
	overflow: hidden;
	border-radius: var(--radius-sm);
}

.section-hero__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
}

/* 赤い円形バッジ */
.section-hero__badge {
	position: absolute;
	top: clamp(1rem, 4vw, 2.5rem);
	right: clamp(1rem, 4vw, 2.5rem);
	width: 90px;
	height: 90px;
	border-radius: 50%;
	background-color: var(--color-accent);
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
}

.section-hero__badge-text {
	font-family: var(--font-jp-serif);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	color: var(--color-cream);
	line-height: 1.4;
}

/* ===== Concerns ===== */
.section-concerns {
	padding: var(--section-padding-y) 0;
	background-color: var(--color-cream);
}

.concerns-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1px;
	background-color: var(--color-border-on-light);
	border: 1px solid var(--color-border-on-light);
	margin-bottom: 1px;
}

.concern-item {
	background-color: var(--color-cream);
	padding: clamp(1.5rem, 4vw, 2.5rem);
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.concern-item__number {
	font-family: var(--font-en-serif);
	font-size: 2rem;
	font-weight: 400;
	line-height: 1;
	color: var(--color-accent);
	letter-spacing: -0.02em;
}

.concern-item__title {
	font-family: var(--font-jp-serif);
	font-size: 1rem;
	font-weight: 600;
	letter-spacing: 0.05em;
	color: var(--color-text-on-light);
}

.concern-item__desc {
	font-size: var(--fs-small);
	line-height: 1.7;
	color: var(--color-text-muted-on-light);
}

/* 05 ハイライト枠 */
.concern-featured {
	background-color: var(--color-charcoal);
	padding: clamp(1.5rem, 4vw, 2rem) clamp(1.5rem, 4vw, 2.5rem);
	display: flex;
	align-items: center;
	gap: var(--space-md);
}

.concern-featured__number {
	font-family: var(--font-en-serif);
	font-size: 2.5rem;
	font-weight: 400;
	color: var(--color-accent);
	line-height: 1;
	flex-shrink: 0;
}

.concern-featured__text {
	font-family: var(--font-jp-serif);
	font-size: clamp(1rem, 2.5vw, 1.25rem);
	font-weight: 600;
	letter-spacing: 0.06em;
	color: var(--color-cream-soft);
	line-height: 1.5;
}

/* ===== Bridge ===== */
.section-bridge {
	padding: clamp(3rem, 8vw, 5rem) 0;
	background-color: var(--color-black);
	text-align: center;
}

.section-bridge__text {
	font-family: var(--font-jp-serif);
	font-size: clamp(1.1rem, 3vw, 1.625rem);
	font-weight: 600;
	letter-spacing: var(--letter-spacing-heading);
	color: var(--color-cream-soft);
	line-height: 1.8;
}

.section-bridge__text em {
	font-style: normal;
	color: var(--color-gold);
	border-bottom: 1px solid var(--color-gold);
}

/* ===== Strength ===== */
.section-strength {
	padding: var(--section-padding-y) 0;
	background-color: var(--color-charcoal);
}

.strength-services {
	display: flex;
	justify-content: center;
	gap: clamp(1.5rem, 4vw, 3.5rem);
	flex-wrap: wrap;
	margin: clamp(2.5rem, 5vw, 4rem) 0;
	list-style: none;
	padding: 0;
}

.strength-service {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.875rem;
	text-align: center;
}

.strength-service__icon {
	width: 64px;
	height: 64px;
	display: flex;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--color-border-on-dark);
	border-radius: 50%;
	color: var(--color-cream-soft);
	padding: 14px;
}

.strength-service__icon svg {
	width: 100%;
	height: 100%;
}

.strength-service__label {
	font-family: var(--font-jp-serif);
	font-size: 0.875rem;
	letter-spacing: 0.08em;
	color: var(--color-cream-soft);
}

.strength-note {
	border: 1px solid var(--color-border-on-dark);
	padding: clamp(1.5rem, 4vw, 2.5rem);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
	margin-top: clamp(2rem, 4vw, 3rem);
	max-width: 860px;
	margin-inline: auto;
}

.strength-note__text {
	font-family: var(--font-jp-serif);
	font-size: clamp(0.9rem, 2vw, 1.0625rem);
	letter-spacing: 0.05em;
	line-height: 1.7;
	color: var(--color-cream-soft);
}

/* ===== Works ===== */
.section-works {
	padding: var(--section-padding-y) 0;
	background-color: var(--color-black);
}

.works-gallery {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 2px;
	margin-top: clamp(2rem, 4vw, 3rem);
}

.work-item {
	position: relative;
	overflow: hidden;
	margin: 0;
	aspect-ratio: 4 / 3;
}

.work-item__image-wrap {
	width: 100%;
	height: 100%;
}

.work-item__image-wrap img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.work-item:hover .work-item__image-wrap img {
	transform: scale(1.04);
}

.work-item__caption {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 1rem;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	opacity: 0;
	transition: opacity var(--transition-base);
}

.work-item:hover .work-item__caption {
	opacity: 1;
}

.work-item__category {
	font-size: var(--fs-label);
	letter-spacing: var(--letter-spacing-label);
	color: var(--color-gold);
	font-family: var(--font-en-serif);
}

.work-item__title {
	font-size: var(--fs-small);
	color: var(--color-cream);
	font-family: var(--font-jp-serif);
}

.works-empty {
	text-align: center;
	padding: var(--space-xl) 0;
	color: var(--color-text-muted-on-dark);
}

/* ===== Process ===== */
.section-process {
	padding: var(--section-padding-y) 0;
	background-color: var(--color-cream);
}

.process-steps {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 0;
	position: relative;
	margin-top: clamp(2.5rem, 5vw, 4rem);
	list-style: none;
	padding: 0;
	counter-reset: none;
}

.process-step {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: 0 0.75rem;
}

.process-step__image-wrap {
	position: relative;
	width: 80px;
	height: 80px;
	margin-bottom: 1rem;
}

.process-step__image-wrap img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

/* 画像がない場合のフォールバック */
.process-step__icon-fallback {
	position: absolute;
	inset: 0;
	display: none;
	align-items: center;
	justify-content: center;
	background-color: var(--color-charcoal);
	border-radius: 50%;
}

.process-step__image-wrap img[style*="display: none"] + .process-step__icon-fallback {
	display: flex;
}

.process-step__number-badge {
	font-family: var(--font-en-serif);
	font-size: 1rem;
	color: var(--color-gold);
}

.process-step__body {
	display: flex;
	flex-direction: column;
	gap: 0.375rem;
}

.process-step__num {
	font-family: var(--font-en-serif);
	font-style: italic;
	font-size: var(--fs-label);
	letter-spacing: 0.15em;
	color: var(--color-gold);
}

.process-step__title {
	font-family: var(--font-jp-serif);
	font-size: 0.875rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	color: var(--color-text-on-light);
	line-height: 1.4;
}

.process-step__desc {
	font-size: 0.75rem;
	color: var(--color-text-muted-on-light);
	line-height: 1.6;
}

/* → 矢印（ステップ間のコネクタ） */
.process-step__arrow {
	position: absolute;
	top: 36px;
	right: -10px;
	width: 20px;
	height: 1px;
	background-color: var(--color-gold);
	z-index: 1;
}

.process-step__arrow::after {
	content: '';
	position: absolute;
	right: 0;
	top: -3px;
	width: 6px;
	height: 6px;
	border-top: 1px solid var(--color-gold);
	border-right: 1px solid var(--color-gold);
	transform: rotate(45deg);
}

/* ===== Contact ===== */
.section-contact {
	padding: var(--section-padding-y) 0;
	background-color: var(--color-cream);
	border-top: 1px solid var(--color-border-on-light);
}

.contact-layout {
	display: grid;
	grid-template-columns: 1fr 1.4fr;
	gap: clamp(2rem, 5vw, 4rem);
	align-items: start;
}

.contact-info__heading {
	font-family: var(--font-jp-serif);
	font-size: 1rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	color: var(--color-text-on-light);
	margin-bottom: 1rem;
}

.contact-info__list {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	margin-bottom: 1.5rem;
	list-style: none;
	padding: 0;
}

.contact-info__list li {
	font-size: var(--fs-small);
	color: var(--color-text-muted-on-light);
	padding-left: 1em;
	position: relative;
}

.contact-info__list li::before {
	content: '—';
	position: absolute;
	left: 0;
	color: var(--color-gold);
}

.contact-info__note {
	padding: 1rem;
	background-color: rgba(184, 153, 104, 0.08);
	border-left: 2px solid var(--color-gold);
}

.contact-info__note p {
	font-size: var(--fs-small);
	color: var(--color-text-muted-on-light);
	line-height: 1.6;
}

.contact-form-notice {
	padding: var(--space-lg);
	background-color: rgba(10, 10, 10, 0.04);
	border-radius: var(--radius-md);
	text-align: center;
}

.contact-form-notice p {
	font-size: var(--fs-small);
	color: var(--color-text-muted-on-light);
	margin-bottom: var(--space-sm);
}

/* ===== レスポンシブ ===== */
@media (max-width: 1023px) {
	.section-hero__inner {
		grid-template-columns: 1fr;
	}

	.section-hero__media {
		order: -1;
		aspect-ratio: 16 / 9;
		max-height: 320px;
	}

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

	.process-steps {
		grid-template-columns: 1fr 1fr;
		gap: var(--space-md);
	}

	.process-step__arrow {
		display: none;
	}

	.contact-layout {
		grid-template-columns: 1fr;
	}

	.strength-note {
		flex-direction: column;
		text-align: center;
	}
}

@media (max-width: 767px) {
	.concerns-grid {
		grid-template-columns: 1fr;
	}

	.concern-featured {
		flex-direction: column;
		text-align: center;
	}

	.works-gallery {
		grid-template-columns: 1fr;
	}

	.work-item__caption {
		opacity: 1;
	}

	.process-steps {
		grid-template-columns: 1fr;
		max-width: 360px;
		margin-inline: auto;
	}

	.strength-services {
		display: grid;
		grid-template-columns: repeat(3, 1fr);
		justify-items: center;
		gap: var(--space-md);
	}
}