@charset "UTF-8";

/* =========================================================
   concept.css — 想いとこだわり
   ========================================================= */

.concept-page {
	padding-bottom: 4.5rem;
	color: var(--color-text-light);
	background: var(--color-brown);
	scroll-padding-top: calc(var(--header-height-sp) + 1rem);
}

@media (min-width: 1024px) {
	.concept-page {
		scroll-padding-top: calc(var(--header-height-pc) + 1rem);
	}
}

.u-sp-br {
	display: none;
}

@media (max-width: 767px) {
	.u-sp-br {
		display: inline;
	}
}

/* ----- Lead ----- */
.concept-page__lead {
	padding: 2.75rem 0 2.25rem;
	text-align: center;
	background: var(--color-brown);
}

.concept-page__lead p {
	margin: 0;
	color: var(--color-gold-light);
	font-family: var(--font-serif);
	font-size: clamp(1.2rem, 2.4vw, 1.65rem);
	font-weight: 600;
	line-height: 1.7;
	letter-spacing: 0.08em;
}

/* ----- TOC ----- */
.concept-page__toc {
	padding: 2rem 0;
	background: var(--color-navy);
}

.concept-page__toc ul {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.7rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

@media (min-width: 768px) {
	.concept-page__toc ul {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 0.85rem;
	}
}

.concept-page__toc-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 3rem;
	padding: 0.65rem 0.75rem;
	border: 1px solid var(--color-border-gold);
	color: var(--color-gold-light);
	background: rgba(16, 11, 8, 0.35);
	font-size: 0.88rem;
	letter-spacing: 0.06em;
	text-align: center;
	text-decoration: none;
	transition:
		color 0.5s ease,
		background-color 0.5s ease,
		border-color 0.5s ease;
}

.concept-page__toc-btn:hover {
	color: var(--color-gold);
	background-color: rgba(185, 150, 82, 0.12);
	border-color: var(--color-gold);
	text-decoration: none;
}

/* ----- Blocks ----- */
.concept-block {
	padding: clamp(3rem, 6vw, 5.5rem) 0;
}

.concept-block--brown {
	background: var(--color-brown);
}

.concept-block--navy {
	background: var(--color-navy);
}

.concept-block--cream {
	color: var(--color-text-dark);
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 35%),
		var(--color-cream);
}

.concept-block--closing {
	background: var(--color-brown);
}

.concept-block__split {
	display: grid;
	gap: 2rem;
	align-items: start;
}

@media (min-width: 900px) {
	.concept-block__split {
		grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
		gap: 3rem;
		align-items: center;
	}

	.concept-block__split--reverse .concept-block__media {
		order: 2;
	}

	.concept-block__split--reverse .concept-block__body {
		order: 1;
	}
}

.concept-block__media {
	margin: 0;
	overflow: hidden;
	background: rgba(16, 11, 8, 0.45);
	aspect-ratio: 3 / 2; /* con01–07: 900×600 */
}

.concept-block__media--wide {
	aspect-ratio: 3 / 2;
	max-width: 40rem;
	margin-inline: auto;
}

.concept-block__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.concept-block__body h2,
.concept-block__header h2 {
	margin: 0 0 1.5rem;
	color: var(--color-gold);
	font-family: var(--font-serif);
	font-size: clamp(1.35rem, 2.5vw, 1.85rem);
	font-weight: 600;
	line-height: 1.55;
	letter-spacing: 0.08em;
}

.concept-block__header--dark h2 {
	color: #8a6a2e;
}

.concept-block__body p,
.concept-closing-copy p,
.concept-block__note,
.concept-cta > .l-inner > p {
	margin: 0 0 1.15rem;
	font-size: 1.02rem;
	line-height: 1.95;
	color: rgba(234, 228, 216, 0.92);
}

.concept-block--cream .concept-block__header p,
.concept-block--cream .concept-block__note,
.concept-block--cream .concept-compare__item p {
	color: var(--color-text-dark);
}

.concept-block__body p:last-child {
	margin-bottom: 0;
}

.concept-block__eyebrow {
	margin: 0 0 0.75rem !important;
	color: var(--color-gold-light) !important;
	font-size: 0.82rem !important;
	font-weight: 700;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

.concept-block__header {
	max-width: 40rem;
	margin: 0 auto 2.25rem;
	text-align: center;
}

.concept-block__header p {
	margin: 0;
	line-height: 1.9;
}

.concept-block__note {
	max-width: 40rem;
	margin: 2rem auto 0;
	text-align: center;
}

/* Scenes / woods / voices */
.concept-block__scene,
.concept-woods,
.concept-voices,
.concept-summary {
	margin: 1.5rem 0;
	padding: 0;
	list-style: none;
}

.concept-block__scene {
	display: grid;
	gap: 0.55rem;
}

.concept-block__scene li {
	position: relative;
	padding-left: 1.15rem;
	color: var(--color-gold-light);
	letter-spacing: 0.04em;
}

.concept-block__scene li::before {
	content: "–";
	position: absolute;
	left: 0;
	color: var(--color-gold);
}

.concept-woods {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
}

.concept-woods li {
	display: inline-flex;
	align-items: center;
	min-height: 2.2rem;
	padding: 0 0.85rem;
	border: 1px solid var(--color-border-gold);
	color: var(--color-gold-light);
	font-size: 0.9rem;
	letter-spacing: 0.08em;
}

.concept-voices {
	display: grid;
	gap: 0.65rem;
	padding: 1.25rem 0;
	border-block: 1px solid var(--color-border-gold);
}

.concept-voices li {
	color: var(--color-gold);
	font-family: var(--font-serif);
	font-size: 1.08rem;
	letter-spacing: 0.06em;
}

.concept-quote-layout,
.concept-block__quote-layout {
	display: grid;
	gap: 2rem;
}

@media (min-width: 900px) {
	.concept-block__quote-layout {
		grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
		gap: 2.75rem;
		align-items: center;
	}
}

/* Soft / Hard compare */
.concept-compare {
	display: grid;
	gap: 1.25rem;
}

@media (min-width: 768px) {
	.concept-compare {
		grid-template-columns: 1fr 1fr;
		gap: 1.5rem;
	}
}

.concept-compare__item {
	padding: 1.75rem 1.5rem;
	border: 1px solid rgba(185, 150, 82, 0.4);
	background: rgba(255, 255, 255, 0.45);
}

.concept-compare__item h3 {
	margin: 0 0 0.85rem;
	color: #8a6a2e;
	font-family: var(--font-serif);
	font-size: 1.25rem;
	letter-spacing: 0.1em;
}

.concept-compare__lead {
	margin: 0 0 0.85rem !important;
	color: var(--color-brown) !important;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.concept-compare__item p {
	margin: 0;
	line-height: 1.9;
}

/* Process steps */
.concept-steps {
	display: grid;
	gap: 0.85rem;
	margin: 1.5rem 0 1.75rem;
	padding: 0;
	list-style: none;
}

.concept-steps li {
	display: grid;
	grid-template-columns: 3rem 1fr;
	gap: 0.85rem;
	align-items: start;
	padding: 0.95rem 0;
	border-bottom: 1px solid var(--color-border-gold);
}

.concept-steps__num {
	color: var(--color-gold);
	font-family: var(--font-serif);
	font-size: 1rem;
	font-weight: 600;
	letter-spacing: 0.08em;
}

.concept-steps__text {
	color: rgba(234, 228, 216, 0.92);
	font-size: 0.98rem;
	line-height: 1.75;
}

/* Closing summary */
.concept-block--closing .concept-block__header {
	max-width: none;
	margin-bottom: 2.25rem;
	text-align: left;
}

.concept-summary {
	display: grid;
	gap: 0.75rem;
	max-width: none;
	margin: 0 0 2rem;
}

.concept-summary li {
	position: relative;
	padding: 0.85rem 0 0.85rem 1.35rem;
	border-bottom: 1px solid var(--color-border-gold);
	color: var(--color-text-light);
	line-height: 1.75;
}

.concept-summary li::before {
	content: "";
	position: absolute;
	top: 1.35rem;
	left: 0;
	width: 0.55rem;
	height: 1px;
	background: var(--color-gold);
}

.concept-closing-copy {
	max-width: none;
	margin: 0;
	text-align: left;
}

.concept-closing-copy p:last-child {
	margin-bottom: 0;
	color: var(--color-gold-light);
	font-family: var(--font-serif);
	font-size: 1.08rem;
	letter-spacing: 0.04em;
}

/* CTA */
.concept-cta {
	padding: clamp(3rem, 6vw, 4.5rem) 0;
	background: var(--color-navy);
	text-align: left;
}

.concept-cta h2 {
	margin: 0 0 1.25rem;
	color: var(--color-gold);
	font-family: var(--font-serif);
	font-size: clamp(1.4rem, 2.4vw, 1.8rem);
	letter-spacing: 0.12em;
}

.concept-cta__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-start;
	gap: 0.85rem;
	margin-top: 2rem !important;
}

.concept-cta__actions .button {
	min-width: min(100%, 16rem);
}

.concept-page__back {
	width: min(100% - (var(--space-inline) * 2), var(--content-max));
	margin: 2.5rem auto 0;
	text-align: center;
}

.concept-page__back a {
	color: var(--color-gold-light);
	font-size: 0.95rem;
	letter-spacing: 0.06em;
	text-decoration: none;
}

.concept-page__back a::before {
	content: "←";
	margin-right: 0.45em;
}

.concept-page__back a:hover {
	color: var(--color-gold);
	text-decoration: none;
}

/* ----- Scroll reveal ----- */
.concept-page .page-hero__inner {
	animation: concept-hero-in 0.9s ease both;
}

.concept-reveal {
	opacity: 0;
	transform: translateY(28px);
	transition:
		opacity 0.8s ease,
		transform 0.8s ease;
	will-change: opacity, transform;
}

.concept-reveal.is-inview {
	opacity: 1;
	transform: translateY(0);
}

.concept-reveal--media {
	transform: translateY(36px) scale(1.02);
}

.concept-reveal--media.is-inview {
	transform: translateY(0) scale(1);
}

.concept-reveal--delay-1 {
	transition-delay: 0.12s;
}

.concept-reveal--delay-2 {
	transition-delay: 0.22s;
}

.concept-reveal--delay-3 {
	transition-delay: 0.32s;
}

@keyframes concept-hero-in {
	from {
		opacity: 0;
		transform: translateY(16px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@media (prefers-reduced-motion: reduce) {
	.concept-page__toc-btn {
		transition-duration: 0.01ms;
	}

	.concept-page .page-hero__inner,
	.concept-reveal,
	.concept-reveal.is-inview,
	.concept-reveal--media,
	.concept-reveal--media.is-inview {
		opacity: 1;
		transform: none;
		animation: none;
		transition: none;
	}
}