/* ===== HERO ===== */
.hero {
	margin-top: 56px;
}
.hero-img-area {
	width: 100%;
	aspect-ratio: 16 / 8;
	overflow: hidden;
	background: var(--fill-middle);
	position: relative;
}
.hero-img-area img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.img-ph {
	width: 100%;
	height: 100%;
	color: var(--text-tertiary);
	font-size: 11px;
	letter-spacing: 0.1em;
}
.hero-img-area .img-ph > .en,
.hero-img-area .img-ph > .ja,
.hero-img-area .img-ph > .zh {
	height: 100%;
}

/* ===== HERO SLIDER ===== */
.hero-slider {
	position: relative;
	width: 100%;
	height: 100%;
	overflow: hidden;
	cursor: grab;
	user-select: none;
}
.hero-slider:active {
	cursor: grabbing;
}
.hero-slider-track {
	display: flex;
	height: 100%;
	transition: transform 0.6s ease;
	will-change: transform;
}
.hero-slider-track a {
	flex: 0 0 100%;
	width: 100%;
	height: 100%;
	display: block;
}
.slide-inner {
	position: relative;
	width: 100%;
	height: 100%;
}
.hero-slider-track a img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	user-select: none;
	-webkit-user-drag: none;
}
.hero-slider-dots {
	position: absolute;
	bottom: 12px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 8px;
	z-index: 10;
}
.hero-slider-dots button {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	border: none;
	background: rgba(255,255,255,0.5);
	cursor: pointer;
	padding: 0;
	transition: background 0.2s;
}
.hero-slider-dots button.active {
	background: var(--color-white);
}
.sp-br { display: none; }
.hero-catchcopy {
	position: absolute;
	right: clamp(32px, 7vw, 96px);
	top: 35%;
	transform: translateY(-50%);
	font-family: var(--font-ja);
	font-size: clamp(18px, 2.4vw, 30px);
	font-weight: 700;
	letter-spacing: 1px;
	color: #3a3a3a;
	line-height: 1;
	z-index: 5;
	text-shadow: 0 1px 6px rgba(255,255,255,0.6);
}

/* ===== NEWS BAR ===== */
.news-bar {
	border-top: 1px solid var(--border-light);
	border-bottom: 1px solid var(--border-light);
	padding: 10px 32px;
	display: flex;
	align-items: center;
	gap: 16px;
	font-size: 11px;
	color: var(--text-secondary);
	letter-spacing: 0.05em;
	overflow: hidden;
}
.news-bar-label {
	font-size: 12px;
	font-weight: 500;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--text-tertiary);
	white-space: nowrap;
	border-right: 1px solid var(--border-light);
	padding-right: 16px;
}
.news-bar a {
	color: var(--text-secondary);
}
.news-bar a:hover {
	color: var(--text-primary);
	text-decoration: underline;
}

/* ===== CONCEPT ===== */
#concept {
	position: relative;
	background-color: var(--color-sub);
	overflow: hidden;
}
#concept::before {
	content: '';
	position: absolute;
	top: 0;
	right: 0;
	width: min(760px, 60%);
	aspect-ratio: 2200 / 1779;
	background-image: url(../img/top/bg_liquid-liposomal.webp);
	background-repeat: no-repeat;
	background-position: top right;
	background-size: cover;
	-webkit-mask-image:
		linear-gradient(to left, #000 40%, transparent 92%),
		linear-gradient(to bottom, #000 40%, transparent 92%);
	-webkit-mask-composite: source-in;
	mask-image:
		linear-gradient(to left, #000 40%, transparent 92%),
		linear-gradient(to bottom, #000 40%, transparent 92%);
	mask-composite: intersect;
	pointer-events: none;
}
.concept-intro {
	position: relative;
	z-index: 1;
	/* min-height: 640px; */
	padding: clamp(16px, 2vw, 24px) 0 clamp(40px, 6vw, 56px);
	margin-bottom: 40px;
	max-width: 55%;
	text-align: left;
}
.concept-intro-logo {
	display: block;
	width: clamp(140px, 16vw, 180px);
	height: auto;
}
.concept-intro-subtitle {
	margin-top: 28px;
	color: var(--color-orange);
	font-family: var(--font-label);
	font-size: 20px;
	line-height: 1.5;
}
.concept-intro-text {
	margin-top: 24px;
	text-align: left;
	font-size: var(--fz-body-small);
	font-weight: 500;
	line-height: 1.9;
	letter-spacing: 0.05em;
}
.concept-numbered-item {
	margin-bottom: 32px;
	background: var(--color-white);
	border-radius: 8px;
	padding: clamp(24px, 5vw, 40px);
	box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.concept-numbered-row {
	display: flex;
	gap: clamp(24px, 4vw, 32px);
	margin-bottom: 32px;
}
.concept-numbered-row .concept-numbered-item {
	flex: 1;
	margin-bottom: 0;
}
@media (max-width: 768px) {
	.concept-numbered-row {
		flex-direction: column;
	}
	.concept-intro {
		max-width: none;
	}
	#concept::before {
		width: 80%;
	}
}
.concept-numbered-heading {
	display: flex;
	align-items: center;
	gap: 14px;
}
.concept-numbered-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	background: var(--color-highlight);
	color: var(--text-primary);
	font-family: var(--font-en);
	font-size: 14px;
	font-weight: 700;
}
.concept-numbered-item .section-title {
	font-family: var(--font-label);
	font-size: var(--fz-title-small);
}
.concept-numbered-item .divider {
	margin: 16px 0 24px;
}
.concept-numbered-item p {
	font-size: var(--fz-body-small);
	font-weight: 500;
	line-height: 1.9;
	letter-spacing: 0.05em;
}
.concept-liposome-row {
	display: flex;
	/* align-items: center; */
	gap: clamp(24px, 4vw, 48px);
}
.concept-liposome-image {
	flex: 1;
	text-align: center;
	padding: 24px;
}
.concept-liposome-image img {
	width: 190px;
	max-width: 100%;
	display: block;
	margin: 0 auto;
}
.concept-liposome-text {
	flex: 1;
	min-width: 0;
}
@media (max-width: 768px) {
	.concept-liposome-row {
		flex-direction: column;
	}
}
.concept-sub-title {
	color: var(--color-orange);
	font-family: var(--font-label);
	font-size: 25px;
	font-weight: 500;
	margin-bottom: 12px;
}
.concept-additive-icons img {
	width: 100%;
	display: block;
}
.concept-taste {
	background: var(--color-sub);
	border-radius: 8px;
	padding: clamp(24px, 5vw, 40px);
}
.concept-taste .section-title {
	color: var(--color-orange);
	font-family: var(--font-label);
	font-size: var(--fz-title-medium);
}
.concept-taste .divider {
	margin: 16px 0 24px;
}
.concept-taste-row {
	display: flex;
	align-items: center;
	gap: clamp(24px, 4vw, 48px);
	text-align: left;
}
.concept-taste-text {
	flex: 1;
}
.concept-taste-text p {
	font-size: var(--fz-body-small);
	font-weight: 500;
	line-height: 1.9;
	letter-spacing: 0.05em;
}
.concept-taste-image {
	flex: 0 0 auto;
	max-width: 220px;
}
.concept-taste-image img {
	width: 100%;
	display: block;
}
@media (max-width: 768px) {
	.concept-taste-row {
		flex-direction: column;
	}
	.concept-taste-image {
		margin-inline: auto;
	}
}

/* ===== STORY ===== */
#story {
	background: var(--color-white);
}
.story-inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(32px, 6vw, 80px);
	align-items: start;
}
.story-text {
	order: 1;
}
.story-image {
	order: 2;
}
.story-image .img-ph {
	min-height: 360px;
}
.top-sec-text p {
	font-size: var(--fz-body-small);
	font-weight: 500;
	line-height: 1.9;
	letter-spacing: 0.05em;
	margin-bottom: 14px;
}
.title-subheading {
	font-size: clamp(19px, 3.9vw, 25px);
	font-weight: 500;
	line-height: 1.5;
	letter-spacing: 0.05em;
	color: var(--text-primary);
	margin-bottom: 24px;
}
.section-title + .title-subheading {
	margin-top: 0.4em;
}
.story-quote {
	margin: 20px 0;
	padding: 14px 18px;
	border-left: 2px solid var(--color-orange);
	background: rgba(255,153,51,0.05);
}
.story-quote p {
	font-size: var(--fz-title-x-small) !important;
	font-style: italic;
	font-weight: 300 !important;
	color: var(--text-primary) !important;
	margin: 0 !important;
	letter-spacing: 0.03em;
}
.story-note {
	font-size: 11px;
	font-weight: 500;
	color: var(--text-tertiary);
	line-height: 1.7;
	border-top: 1px solid var(--border-light);
	padding-top: 12px;
	margin-top: 8px;
}
.section-divider {
	border: none;
	border-top: 1px solid var(--border-light);
	margin: 0;
}

/* ===== LINE UP ===== */
#lineup {
	background: var(--fill-light);
}
.lineup-header {
	margin-bottom: var(--section-margin-middle);
}
.products-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: clamp(16px, 2.5vw, 24px);
}
.product-card {
	background: var(--color-white);
	border: 1px solid var(--border-light);
	transition: box-shadow 0.25s, transform 0.25s;
}
.product-card:hover {
	box-shadow: 0 4px 20px rgba(0,0,0,0.06);
	transform: translateY(-2px);
}
.product-image .img-ph {
	aspect-ratio: 1/1;
	background: var(--fill-light);
	color: var(--text-tertiary);
}
.product-info {
	padding: 16px;
}
.product-name {
	font-size: var(--fz-title-x-small);
	font-weight: 500;
	line-height: 1.5;
	letter-spacing: 0.05em;
	color: var(--text-primary);
	margin-bottom: 4px;
}
.product-volume {
	font-size: 11px;
	font-weight: 500;
	color: var(--text-tertiary);
	letter-spacing: 0.05em;
	margin-bottom: 10px;
}
.product-price {
	font-family: var(--font-en);
	font-size: var(--fz-title-small);
	font-weight: 500;
	color: var(--text-primary);
	margin-bottom: 14px;
	letter-spacing: 0.03em;
}
.product-price small {
	font-size: 12px;
	font-weight: 500;
	color: var(--text-tertiary);
	margin-left: 1em;
}
.btn-product {
	display: block;
	text-align: center;
	border: 1px solid var(--border-default);
	color: var(--text-secondary);
	font-family: var(--font-en);
	font-size: 12px;
	font-weight: 400;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	padding: 10px;
	transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-product:hover {
	background: var(--color-black);
	color: var(--color-white);
	border-color: var(--color-black);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 860px) {
.story-inner {
	grid-template-columns: 1fr;
}
.story-image {
	order: 1;
}
.story-text {
	order: 2;
}
.products-grid {
	grid-template-columns: 1fr 1fr;
}
}

@media (max-width: 520px) {
.news-bar {
	padding: 10px 20px;
}
.products-grid {
	grid-template-columns: 1fr;
}
.hero-catchcopy {
	font-size: 13px;
	line-height: 1.5;
}
.sp-br {
	display: block;
}
}