/* =========================================
1. Google Fonts & 変数設定
========================================= */
:root {
	--stemcell-black-pure: #000000;
	--stemcell-black-main: #111111;
	--stemcell-text-main: #333333;
	--stemcell-text-sub: #888888;
	--stemcell-bg-light: #f8f9fa;
	--stemcell-border: #e5e5e5;
	--stemcell-white: #ffffff;

	--stemcell-font-heading: 'Zen Old Mincho', serif;
	--stemcell-font-body: 'Zen Kaku Gothic New', sans-serif;

	--global-header-height: 80px;
	--global-header-height-sp: 60px;
	--stemcell-sidebar-width: 256px;
	--stemcell-content-max-width: 1040px;
}
/* =========================================
2. リセット & ベース
========================================= */

body {
	font-family: var(--stemcell-font-body);
	color: var(--stemcell-text-main);
	line-height: 1.75;
	background-color: var(--stemcell-white);
	-webkit-font-smoothing: antialiased;
}

/* =========================================
3. 共通グローバルヘッダー
========================================= */
.global-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: var(--global-header-height);
	background-color: var(--stemcell-black-pure);
	display: flex;
	align-items: center;
	padding: 0 40px;
	z-index: 2000;
}
.header-logo {
	font-family: var(--stemcell-font-heading);
	color: var(--stemcell-white);
	font-size: 1.5rem;
	letter-spacing: 0.05em;
}
.header-nav {
	display: flex;
	gap: 24px;
	margin-left: auto;
	margin-right: 320px;
}
.header-nav a {
	color: var(--stemcell-white);
	font-family: var(--stemcell-font-heading);
	font-size: 0.875rem;
}
.header-reservation {
	position: absolute;
	top: 0;
	right: 40px;
	width: 280px;
	background-color: var(--stemcell-white);
	padding: 24px 20px;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
	text-align: center;
	border-radius: 0 0 4px 4px;
}
.header-res-desc {
	font-size: 0.75rem;
	color: var(--stemcell-text-main);
	margin-bottom: 16px;
	line-height: 1.5;
}
.res-btn {
	display: block;
	background-color: var(--stemcell-black-pure);
	color: var(--stemcell-white);
	padding: 8px;
	border-radius: 32px;
	margin-bottom: 8px;
	font-size: 0.875rem;
}
.res-tel {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	color: var(--stemcell-black-pure);
	margin-top: 8px;
	font-weight: 700;
}

/* =========================================
4. 再生医療レイアウト構造 & サイドナビ
========================================= */
.stemcell-wrapper {
	display: flex;
	min-height: 100vh;
	padding-top: var(--global-header-height);
}

.stemcell-sidebar {
	position: fixed;
	top: var(--global-header-height);
	left: 0;
	width: var(--stemcell-sidebar-width);
	height: calc(100vh - var(--global-header-height));
	background-color: var(--stemcell-black-main);
	padding: 48px 32px;
	z-index: 1000;
	border-right: 1px solid rgba(255, 255, 255, 0.05);
	overflow-y: auto;
}
.stemcell-sidebar-title {
	color: var(--stemcell-white);
	font-family: var(--stemcell-font-heading);
	font-size: 1rem;
	margin-bottom: 24px;
	padding-bottom: 16px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.15);
	letter-spacing: 0.05em;
}
.stemcell-nav-menu {
	list-style: none;
}
.stemcell-nav-menu li {
	margin-bottom: 16px;
}
.stemcell-nav-menu a {
	color: #777777;
	font-size: 0.875rem;
	font-weight: 500;
	display: block;
	padding: 4px 0;
	position: relative;
}
.stemcell-nav-menu a:hover,
.stemcell-nav-menu a.active {
	color: var(--stemcell-white);
	font-weight: 700;
}
.stemcell-nav-menu a.active::before {
	content: '';
	position: absolute;
	left: -16px;
	top: 50%;
	transform: translateY(-50%);
	width: 2px;
	height: 12px;
	background-color: var(--stemcell-white);
}

.stemcell-main {
	margin-left: var(--stemcell-sidebar-width);
	width: calc(100% - var(--stemcell-sidebar-width));
	background-color: var(--stemcell-white);
}
.stemcell-container {
	max-width: var(--stemcell-content-max-width);
	margin: 0 auto;
	padding: 80px 40px;
}
.stemcell-main > section:nth-child(even) {
	background-color: var(--stemcell-bg-light);
}
.stemcell-main > section {
	scroll-margin-top: var(--global-header-height);
}

.stemcell-section-intro {
	padding-top: 0;
}

/* =========================================
5. 汎用コンポーネント
========================================= */
.stemcell-hero-visual {
	position: relative;
	width: 100%;
	height: 280px;
	background: linear-gradient(135deg, #111 0%, #333 100%);
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
}
.stemcell-hero-visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

/* ★画像エリアのラッパー設定★ */
.stemcell-img-wrapper {
	width: 100%;
	/* margin-bottom: 32px; */
	border-radius: 4px;
	overflow: hidden;
	background-color: var(--stemcell-bg-light);
	height: auto;
	max-height: 400px;
	display: flex;
	align-items: center;
	justify-content: center;
}
.stemcell-img-wrapper img {
	width: 100%;
	height: auto;
	max-height: 100%;
	object-fit: contain;
	display: block;
}

.stemcell-img-intro,
.stemcell-img-concept {
}
.stemcell-img-card {
	margin: 16px 0;
}

.stemcell-hero-text {
	padding-bottom: 40px;
	border-bottom: 1px solid var(--stemcell-black-main);
	margin-bottom: 40px;
}
.stemcell-page-cat {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--stemcell-text-sub);
	display: block;
	margin-bottom: 16px;
}
.stemcell-page-title {
	font-family: var(--stemcell-font-heading);
	font-size: 3rem;
	color: var(--stemcell-black-pure);
	line-height: 1.25;
	font-weight: 700;
	letter-spacing: 0.05em;
}
.stemcell-page-title span {
	display: block;
	font-size: 1.125rem;
	font-family: var(--stemcell-font-body);
	font-weight: 500;
	color: #555;
	margin-top: 24px;
	letter-spacing: 0.05em;
}

.stemcell-story-lead {
	font-family: var(--stemcell-font-heading);
	font-size: 1.5rem;
	color: var(--stemcell-black-main);
	line-height: 1.75;
	margin-bottom: 32px;
	font-weight: 700;
}
.stemcell-intro-desc {
	font-size: 1rem;
}

.stemcell-pain-box {
	background-color: var(--stemcell-black-main);
	color: var(--stemcell-white);
	padding: 32px 48px;
	margin-bottom: 32px;
	position: relative;
}
.stemcell-pain-box h3 {
	font-family: var(--stemcell-font-heading);
	font-size: 1.5rem;
	margin-bottom: 20px;
	color: var(--stemcell-white);
	letter-spacing: 0.05em;
}

.stemcell-check-list {
	list-style: none;
}
.stemcell-check-list li {
	position: relative;
	padding-left: 20px;
	margin-bottom: 4px;
	font-size: 1rem;
	color: var(--stemcell-text-main);
}
.stemcell-check-list li:last-child {
	margin-bottom: 0;
}
.stemcell-check-list li::before {
	content: '◾️';
	position: absolute;
	left: 0;
	top: 4px;
	font-size: 0.75rem;
	color: var(--stemcell-black-main);
}

.stemcell-pain-box .stemcell-check-list li {
	color: #ffffff;
	font-weight: 500;
}
.stemcell-pain-box .stemcell-check-list li::before {
	content: '✕';
	top: 2px;
	font-size: 0.875rem;
	color: #888888;
	font-weight: bold;
}

.stemcell-index-box {
	background-color: var(--stemcell-bg-light);
	padding: 28px;
	border-left: 2px solid var(--stemcell-black-main);
}
.stemcell-index-title {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	font-weight: 700;
	margin-bottom: 20px;
	color: var(--stemcell-black-pure);
	letter-spacing: 0.05em;
}
.stemcell-index-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px 16px;
	list-style: none;
}
.stemcell-index-grid li {
	display: flex;
	align-items: flex-start;
	font-size: 1rem;
	font-weight: 500;
}
.stemcell-index-num {
	font-family: var(--stemcell-font-heading);
	font-size: 1.125rem;
	font-weight: 700;
	color: #888888;
	margin-right: 12px;
	line-height: 1.6;
}

.stemcell-sec-title {
	font-family: var(--stemcell-font-heading);
	font-size: 2rem;
	color: var(--stemcell-black-main);
	font-weight: 700;
	margin-bottom: 40px;
	padding-bottom: 20px;
	border-bottom: 1px solid var(--stemcell-black-main);
}
.stemcell-sub-title {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	color: var(--stemcell-black-main);
	margin: 32px 0 20px;
	font-weight: 700;
	display: flex;
	align-items: center;
	border-left: 4px solid var(--stemcell-black-main);
	padding-left: 16px;
}

.stemcell-lead-text {
	margin-bottom: 32px;
}
.stemcell-lead-text-bold {
	margin-bottom: 32px;
	font-weight: 700;
}

/* 使い分けカード */
.stemcell-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
	margin-top: 32px;
}
.stemcell-card {
	background-color: var(--stemcell-white);
	border: 1px solid var(--stemcell-border);
	padding: 32px;
	display: flex;
	flex-direction: column;
}
.stemcell-card-label {
	font-size: 0.75rem;
	font-weight: 700;
	background-color: var(--stemcell-black-main);
	color: var(--stemcell-white);
	padding: 4px 12px;
	display: inline-block;
	margin-bottom: 16px;
	width: fit-content;
}
.stemcell-card-heading {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	margin-bottom: 16px;
	font-weight: 700;
}
.stemcell-card-heading-sub {
	font-family: var(--stemcell-font-heading);
	font-size: 1.125rem;
	color: var(--stemcell-text-main);
	margin-bottom: 16px;
	padding: 8px 16px;
	background-color: var(--stemcell-bg-light);
	font-weight: 700;
}

.stemcell-card-images {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin: 24px 0;
}
.stemcell-card-images .stemcell-img-container {
	margin: 0;
	background-color: var(--stemcell-bg-light);
}

.stemcell-card-check-list {
	margin-bottom: 16px;
	font-size: 0.875rem;
}
.stemcell-card-bottom-text {
	font-size: 1rem;
	font-weight: 700;
	margin-top: auto;
}

/* 治療の流れ */
.stemcell-timeline {
	margin-top: 40px;
	padding-left: 0;
}
.stemcell-timeline-node {
	position: relative;
	margin-bottom: 32px;
	padding-left: 64px;
	min-height: 48px;
}
.stemcell-timeline-node:last-child {
	margin-bottom: 0;
}
.stemcell-timeline-node::after {
	content: '';
	position: absolute;
	left: 19px;
	top: 40px;
	bottom: -40px;
	width: 2px;
	background-color: var(--stemcell-black-main);
}
.stemcell-timeline-node:last-child::after {
	display: none;
}

.stemcell-node-num {
	position: absolute;
	left: 0;
	top: 0;
	font-family: var(--stemcell-font-heading);
	font-size: 1rem;
	font-weight: 700;
	background-color: var(--stemcell-black-main);
	color: var(--stemcell-white);
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	z-index: 2;
}
.stemcell-node-text h3 {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--stemcell-black-main);
	margin-bottom: 8px;
}

/* テーブル */
.stemcell-table-container {
	position: relative;
}
.stemcell-scroll-overlay {
	display: none;
}
.stemcell-table-wrap {
	overflow-x: auto;
	width: 100%;
	position: relative;
}
.stemcell-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 656px;
	background-color: var(--stemcell-white);
	border: 1px solid var(--stemcell-border);
}
.stemcell-table th,
.stemcell-table td {
	padding: 16px;
	border-bottom: 1px solid var(--stemcell-border);
	text-align: left;
}
.stemcell-table th {
	background-color: var(--stemcell-black-main);
	color: var(--stemcell-white);
	font-family: var(--stemcell-font-heading);
	font-weight: 500;
}
.stemcell-table tr:nth-child(even) td {
	background-color: var(--stemcell-bg-light);
}
.stemcell-price {
	font-family: var(--stemcell-font-heading);
	font-weight: 700;
	font-size: 1.125rem;
}
.stemcell-text-sm {
	font-size: 0.875rem;
}
.stemcell-nowrap {
	white-space: nowrap;
}

/* ★追加：テーブルの最終列に最低限の幅を確保し潰れを防止★ */
.stemcell-table th:last-child,
.stemcell-table td:last-child {
	min-width: 280px;
	line-height: 1.6;
}

/* FAQ */
.stemcell-faq-wrap {
	margin-top: 32px;
}
.stemcell-faq-node {
	border-bottom: 1px solid var(--stemcell-border);
}
.stemcell-faq-btn {
	width: 100%;
	background: none;
	border: none;
	padding: 20px 0;
	text-align: left;
	font-family: var(--stemcell-font-heading);
	font-size: 1.125rem;
	font-weight: 700;
	cursor: pointer;
	display: flex;
	justify-content: space-between;
	align-items: center;
	color: var(--stemcell-black-main);
	gap: 8px;
}
.stemcell-faq-btn::after {
	content: '＋';
	font-size: 1.5rem;
	font-weight: 400;
	transition: transform 0.3s;
	color: var(--stemcell-text-sub);
}
.stemcell-faq-btn.active::after {
	content: '−';
	transform: rotate(180deg);
}
.stemcell-faq-panel {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s;
}
.stemcell-faq-inner {
	padding: 0 0 24px 0;
	font-size: 1rem;
}
/* CTAエリア */
.stemcell-cta-banner {
	text-align: center;
	padding: 32px;
	border: 2px solid var(--stemcell-black-main);
	background-color: var(--stemcell-white);
	margin-top: 32px;
	position: relative;
	background-color: var(--stemcell-bg-light);
}
.stemcell-cta-banner h3 {
	font-family: var(--stemcell-font-heading);
	font-size: 1.5rem;
	margin-bottom: 24px;
	color: var(--stemcell-black-main);
	font-weight: 700;
}
.stemcell-cta-desc {
	margin-bottom: 24px;
	font-size: 1rem;
	color: var(--stemcell-text-sub);
}
.stemcell-cta-desc-bottom {
	margin-bottom: 32px;
	font-size: 1rem;
	color: var(--stemcell-text-sub);
}

.stemcell-cta-btns {
	display: flex;
	justify-content: center;
	gap: 24px;
	margin-top: 32px;
	flex-wrap: wrap;
}
.stemcell-btn {
	flex: 1;
	min-width: 200px;
	max-width: 256px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 16px 24px;
	font-size: 1rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	transition: all 0.3s ease;
	text-align: center;
}
.stemcell-btn.solid {
	background-color: var(--stemcell-black-main);
	color: var(--stemcell-white);
	border: 1px solid var(--stemcell-black-main);
}
.stemcell-btn.solid:hover {
	background-color: var(--stemcell-white);
	color: var(--stemcell-black-main);
	opacity: 1;
}
.stemcell-btn.outline {
	background-color: var(--stemcell-white);
	color: var(--stemcell-black-main);
	border: 2px solid var(--stemcell-black-main);
}
.stemcell-btn.outline:hover {
	background-color: var(--stemcell-bg-light);
}

/* 特徴リスト */
.stemcell-feature {
	background: var(--stemcell-white);
	border: 1px solid var(--stemcell-border);
	padding: 32px;
	margin-bottom: 20px;
	position: relative;
	overflow: hidden;
}
.stemcell-feature::before {
	content: attr(data-num);
	position: absolute;
	top: 0px;
	right: 8px;
	font-family: var(--stemcell-font-heading);
	font-size: 8rem;
	color: var(--stemcell-bg-light);
	font-weight: 700;
	z-index: 0;
	line-height: 1;
}
.stemcell-feature > * {
	position: relative;
	z-index: 1;
}
.stemcell-feature h3 {
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	font-weight: 700;
	margin-bottom: 16px;
	color: var(--stemcell-black-main);
}
.stemcell-feature:last-child {
	margin-bottom: 0;
}

/* 料金下部・アラート */
.stemcell-pricing-notes {
	font-size: 0.875rem;
	color: var(--stemcell-text-sub);
	margin-top: 16px;
	margin-bottom: 48px;
}
.stemcell-pricing-notes li {
	font-size: 0.875rem;
}
.stemcell-pricing-notes li::before {
	content: '※';
	top: 2px;
}
.stemcell-alert-box {
	background-color: var(--stemcell-white);
	padding: 32px;
	border: 1px solid var(--stemcell-border);
}
.stemcell-alert-title-red {
	font-family: var(--stemcell-font-heading);
	margin-bottom: 16px;
	color: #880000;
}
.stemcell-alert-title {
	font-family: var(--stemcell-font-heading);
	margin-bottom: 16px;
	color: var(--stemcell-black-main);
}
.stemcell-alert-list {
	font-size: 0.875rem;
	color: var(--stemcell-text-sub);
}

/* エビデンス */
.stemcell-sec-title-sm {
	font-size: 1.5rem;
}
.stemcell-sec-title-evidence {
	font-size: 1.5rem;
	border: none;
	padding-bottom: 0;
}
.stemcell-evidence-desc {
	font-size: 0.875rem;
	color: var(--stemcell-text-sub);
	margin-bottom: 16px;
}
.stemcell-evidence-list {
	font-size: 0.875rem;
	color: #888;
	line-height: 1.75;
	margin-bottom: 40px;
}
.stemcell-evidence-list li {
	position: relative;
	padding-left: 16px;
	margin-bottom: 4px;
}
.stemcell-evidence-list li::before {
	content: '・';
	position: absolute;
	left: 0;
}

/* ★改善：まとめ (SUMMARY) ボックス ★ */
.stemcell-summary-box {
	background-color: var(--stemcell-white);
	border: 2px solid var(--stemcell-black-main);
	padding: 48px;
	margin-bottom: 48px;
	position: relative;
}
.stemcell-summary-box::before {
	content: 'SUMMARY';
	position: absolute;
	top: -16px;
	left: 32px;
	background-color: var(--stemcell-white);
	padding: 0 16px;
	font-family: var(--stemcell-font-heading);
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--stemcell-black-main);
	letter-spacing: 0.1em;
}
.stemcell-summary-list {
	list-style: none;
}
.stemcell-summary-list li {
	position: relative;
	padding-left: 36px;
	margin-bottom: 20px;
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--stemcell-black-main);
	line-height: 1.6;
}
.stemcell-summary-list li:last-child {
	margin-bottom: 0;
}
.stemcell-summary-list li::before {
	content: '\f00c';
	font-family: 'Font Awesome 6 Free';
	font-weight: 900;
	position: absolute;
	left: 0;
	top: 4px;
	color: var(--stemcell-white);
	background-color: var(--stemcell-black-main);
	width: 22px;
	height: 22px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	font-size: 0.75rem;
}

/* ブログリスト (TOYALOG) */
.stemcell-blog-area {
	background-color: var(--stemcell-bg-light);
	padding: 40px;
	border-radius: 8px;
	margin-bottom: 48px;
}
.stemcell-blog-area h2 {
	margin-bottom: 24px;
	padding-bottom: 16px;
	border-bottom: 2px solid var(--stemcell-border);
}
.stemcell-blog-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	list-style: none;
}
.stemcell-blog-grid li {
	background-color: var(--stemcell-white);
	border: 1px solid var(--stemcell-border);
	border-radius: 4px;
	transition: all 0.3s ease;
}
.stemcell-blog-grid li:hover {
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
	transform: translateY(-2px);
	border-color: #ccc;
}
.stemcell-blog-grid a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	color: var(--stemcell-text-main);
	font-size: 0.95rem;
	font-weight: 500;
	line-height: 1.5;
	height: 100%;
}
.stemcell-blog-grid a::after {
	content: '➔';
	font-size: 1.1rem;
	color: var(--stemcell-text-sub);
	margin-left: 16px;
	transition: transform 0.3s ease;
}
.stemcell-blog-grid a:hover::after {
	transform: translateX(4px);
	color: var(--stemcell-black-main);
}

/* 外部リンク */
.stemcell-external-link {
	margin-top: 20px;
}
.stemcell-external-link a {
	display: inline;
	font-size: 0.875rem;
	font-weight: 500;
	transition: color 0.3s ease;
	text-decoration-color: transparent;
	text-decoration: underline;
	text-underline-offset: 4px;
}
.stemcell-external-link a:hover {
	color: var(--stemcell-black-main);
	text-decoration-color: var(--stemcell-black-main);
}
.stemcell-external-link i {
	font-size: 0.85rem;
	margin-left: 4px;
}
.stemcell-external-link span {
	white-space: nowrap;
}

/* =========================================
   レスポンシブ (スマホ最適化: 1024px以下)
========================================= */
@media (max-width: 1024px) {
	/* -----------------------------------------
       1. 全体レイアウト・コンテナ
    ----------------------------------------- */
	.stemcell-wrapper {
		flex-direction: column;
		padding-top: var(--global-header-height-sp);
	}
	.stemcell-sidebar {
		display: none; /* スマホ時はサイドバー非表示 */
	}
	.stemcell-main {
		margin-left: 0;
		width: 100%;
	}
	.stemcell-container {
		padding: 48px 24px;
	}

	/* -----------------------------------------
       2. 見出し・リード文のサイズ調整
    ----------------------------------------- */
	.stemcell-hero-text {
		margin-bottom: 32px;
		padding-bottom: 32px;
	}
	/* ページタイトル */
	.stemcell-page-title {
		font-size: 2rem;
	}
	/* h2相当（大見出し）: PC 32px -> SP 24px */
	.stemcell-sec-title {
		font-size: 1.5rem;
		margin-bottom: 24px;
		padding-bottom: 16px;
	}
	/* h2相当（少し小さめ・エビデンス等）: PC 24px -> SP 20px */
	.stemcell-sec-title-sm,
	.stemcell-sec-title-evidence {
		font-size: 1.25rem;
	}
	/* h3相当（中見出し）: PC 20px -> SP 18px */
	.stemcell-sub-title {
		font-size: 1.125rem;
		margin: 24px 0 16px;
	}
	.stemcell-sub-title-safety {
		margin-top: 24px;
	}
	/* 冒頭のリード文: PC 24px -> SP 18px */
	.stemcell-story-lead {
		font-size: 1.125rem;
		margin-bottom: 24px;
	}
	/* 各コンポーネント内の見出し */
	.stemcell-pain-box h3,        /* お悩みボックス: PC 24px -> SP 20px */
    .stemcell-cta-banner h3 {
		/* CTAエリア: PC 24px -> SP 20px */
		font-size: 1.25rem;
		margin-bottom: 16px;
	}
	.stemcell-index-title,        /* 目次タイトル: PC 20px -> SP 18px */
    .stemcell-card-heading,       /* 使い分けカード h3: PC 20px -> SP 18px */
    .stemcell-node-text h3,       /* 治療の流れ h3: PC 20px -> SP 18px */
    .stemcell-node-text h4,       /* 治療の流れ h4: PC 20px -> SP 18px */
    .stemcell-feature h3 {
		/* 特徴リスト h3: PC 20px -> SP 18px */
		font-size: 1.125rem;
	}
	/* 使い分けカード内の小見出し(h4): PC 18px -> SP 16px */
	.stemcell-card-heading-sub {
		font-size: 1rem;
		padding: 8px 12px;
	}

	/* -----------------------------------------
       3. 画像エリア
    ----------------------------------------- */
	.stemcell-hero-visual {
		height: 200px;
	}
	.stemcell-img-wrapper {
		max-height: none; /* スマホでは最大高さ制限を解除 */
	}
	/* （必要に応じて高さなどを上書きするための予約クラス） */
	.stemcell-img-intro,
	.stemcell-img-concept {
	}

	/* -----------------------------------------
       4. 汎用コンポーネント（カード・グリッド）
    ----------------------------------------- */
	.stemcell-grid {
		grid-template-columns: 1fr; /* 1カラム化 */
		gap: 32px;
	}
	.stemcell-card,
	.stemcell-feature,
	.stemcell-pain-box {
		padding: 32px 24px; /* 余白の最適化 */
	}
	.stemcell-index-grid {
		grid-template-columns: 1fr; /* 目次を1カラムに */
		gap: 16px;
	}

	/* 使い分けカード内の画像（1カラム化＆高さ自動） */
	.stemcell-card-images {
		grid-template-columns: 1fr;
		gap: 16px;
		margin: 16px 0;
	}
	.stemcell-card-images .stemcell-img-container {
		margin: 0;
	}

	/* -----------------------------------------
       5. ボタン関連 (CTA)
    ----------------------------------------- */
	.stemcell-cta-btns {
		flex-direction: column;
		align-items: center;
		gap: 16px;
	}
	.stemcell-btn {
		width: 100%;
		max-width: 100%;
		padding: 16px;
	}

	/* -----------------------------------------
       6. テーブル（横スクロールインジケーター）
    ----------------------------------------- */
	.stemcell-scroll-overlay {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		position: absolute;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		background-color: rgba(0, 0, 0, 0.7);
		color: var(--stemcell-white);
		padding: 12px 24px;
		border-radius: 12px;
		z-index: 10;
		pointer-events: none;
		transition: opacity 0.4s ease;
	}
	.stemcell-scroll-overlay.is-hidden {
		opacity: 0;
	}
	.stemcell-scroll-text {
		font-size: 0.875rem;
		font-weight: 700;
		letter-spacing: 0.05em;
	}

	/* -----------------------------------------
       7. 特定セクション（まとめ・ブログ）
    ----------------------------------------- */
	/* まとめボックス */
	.stemcell-summary-box {
		padding: 32px 24px;
	}
	.stemcell-summary-box::before {
		left: 16px;
		font-size: 1rem;
		top: -12px;
	}
	.stemcell-summary-list li {
		font-size: 1rem;
		padding-left: 28px;
		margin-bottom: 16px;
	}
	.stemcell-summary-list li::before {
		width: 18px;
		height: 18px;
		font-size: 0.6rem;
		top: 4px;
	}

	/* ブログ・関連記事エリア */
	.stemcell-blog-area {
		padding: 24px;
	}
	.stemcell-blog-grid {
		grid-template-columns: 1fr; /* 1カラム化 */
	}
}