/* ============================================
   ねこすけCMS テーマ - メインCSS
   ============================================ */

/* --- リセット・ベース --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* ブランドカラー — クリーン＆ミニマル */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #eff6ff;
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;

    /* テキスト */
    --color-text: #111827;
    --color-text-light: #6b7280;
    --color-text-white: #ffffff;

    /* 背景 */
    --color-bg: #ffffff;
    --color-bg-gray: #fafafa;
    --color-bg-dark: #111827;

    /* ボーダー */
    --color-border: #e5e7eb;

    /* 成功・警告 */
    --color-success: #22c55e;
    --color-warning: #eab308;

    /* フォント */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

    /* サイズ */
    --container-max: 1200px;
    --container-narrow: 800px;
    --section-padding: 96px;
    --radius: 10px;
    --radius-sm: 6px;

    /* 影 — 最小限 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-primary-dark);
}

/* --- コンテナ --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* --- セクション --- */
.section {
    padding: var(--section-padding) 0;
}

.section--gray {
    background: var(--color-bg-gray);
}

.section--dark {
    background: var(--color-bg-dark);
    color: var(--color-text-white);
}

.section__title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 48px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   ヘッダー
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: 72px;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-header__logo img {
    height: 36px;
    width: auto;
}

.site-header__logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.site-header__logo-text span {
    color: var(--color-primary);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.site-nav__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color 0.2s;
}

.site-nav__link:hover {
    color: var(--color-primary);
}

.site-nav__dropdown {
    position: relative;
}

.site-nav__dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 0;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
}

.site-nav__dropdown:hover .site-nav__dropdown-menu {
    display: block;
}

.site-nav__dropdown-item {
    display: block;
    padding: 10px 20px;
    font-size: 0.875rem;
    color: var(--color-text);
}

.site-nav__dropdown-item:hover {
    background: var(--color-bg-gray);
    color: var(--color-primary);
}

/* ハンバーガーメニュー（モバイル） */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    margin: 6px 0;
    transition: 0.3s;
}

/* ============================================
   ボタン
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-family);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    gap: 8px;
}

.btn--primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn--accent {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.btn--accent:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn--white {
    background: white;
    color: var(--color-primary);
}

.btn--white:hover {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.btn--large {
    padding: 14px 40px;
    font-size: 1rem;
}

.btn--small {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn--header {
    padding: 10px 24px;
    font-size: 0.875rem;
}

/* ============================================
   ヒーローセクション
   ============================================ */
.hero {
    padding-top: calc(72px + 100px);
    padding-bottom: 100px;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-block;
    background: transparent;
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid var(--color-primary);
}

.hero__title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero__title span {
    color: var(--color-primary);
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
}

.hero__image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

/* ============================================
   課題セクション
   ============================================ */
.problems__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.problem-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px;
    transition: all 0.2s;
}

.problem-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.problem-card__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.problem-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.problem-card__text {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ============================================
   ソリューション（3つの柱）
   ============================================ */
.pillars__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pillar-card {
    text-align: center;
    padding: 40px 32px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.pillar-card__icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 24px;
}

.pillar-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.pillar-card__text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ============================================
   機能一覧
   ============================================ */
.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    display: block;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card__text {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   比較テーブル
   ============================================ */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.comparison-table th {
    background: var(--color-bg-gray);
    color: var(--color-text);
    font-weight: 700;
}

.comparison-table th.highlight {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.comparison-table td.highlight {
    background: #f8faff;
    font-weight: 600;
}

.comparison-table .check {
    color: var(--color-success);
    font-weight: 700;
}

.comparison-table .cross {
    color: #ef4444;
}

.comparison-table .triangle {
    color: var(--color-warning);
}

/* ============================================
   料金プラン
   ============================================ */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: box-shadow 0.2s;
}

.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: 0 8px 40px rgba(37, 99, 235, 0.15);
    transform: scale(1.02);
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 6px 24px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 700;
}

.pricing-card__name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-card__price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.pricing-card__price-unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-light);
}

.pricing-card__annual {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.pricing-card__features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-card__features li {
    padding: 8px 0;
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-card__features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-card__features li.disabled {
    color: var(--color-text-light);
    text-decoration: line-through;
}

.pricing-card__features li.disabled::before {
    content: '—';
    color: var(--color-text-light);
}

/* ============================================
   IT導入補助金セクション
   ============================================ */
.subsidy {
    background: linear-gradient(135deg, #1e3a5f 0%, #1a2332 100%);
    color: white;
}

.subsidy__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.subsidy__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.subsidy__text {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 24px;
}

.subsidy__highlight {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px;
}

.subsidy__price-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.9375rem;
}

.subsidy__price-row strong {
    color: var(--color-accent);
}

/* ============================================
   活用シーン
   ============================================ */
.cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.case-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.case-card__image {
    height: 200px;
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.case-card__body {
    padding: 24px;
}

.case-card__label {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.case-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.case-card__text {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   FAQ
   ============================================ */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
}

.faq-item__question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform 0.2s;
}

.faq-item.active .faq-item__question::after {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 300px;
}

.faq-item__answer-inner {
    padding-bottom: 20px;
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ============================================
   最終CTA
   ============================================ */
.final-cta {
    text-align: center;
    background: var(--color-primary);
    color: white;
    padding: 80px 0;
}

.final-cta__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.final-cta__text {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.final-cta__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   フッター
   ============================================ */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 60px 0 24px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.footer__brand-desc {
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer__heading {
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 8px;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer__links a:hover {
    color: white;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8125rem;
}

/* ============================================
   固定ページ用
   ============================================ */
.page-header {
    padding-top: calc(72px + 60px);
    padding-bottom: 60px;
    background: var(--color-bg-gray);
    text-align: center;
}

.page-header__title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-header__description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-top: 12px;
}

.page-content {
    padding: 60px 0;
}

.page-content .entry-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 2;
}

.page-content .entry-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 48px 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
}

.page-content .entry-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 32px 0 12px;
}

.page-content .entry-content p {
    margin-bottom: 24px;
}

.page-content .entry-content ul,
.page-content .entry-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.page-content .entry-content li {
    margin-bottom: 8px;
}

/* ============================================
   管理者用編集リンク
   ============================================ */
.admin-edit-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.8125rem;
    color: var(--color-primary);
    background: white;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--color-primary);
    transition: all 0.2s;
}

.admin-edit-link:hover {
    background: var(--color-primary);
    color: white;
}

.admin-edit-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

.admin-edit-float__btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--color-bg-dark);
    color: white;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all 0.2s;
    text-decoration: none;
}

.admin-edit-float__btn:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* ============================================
   ドキュメントページ
   ============================================ */
.docs-layout {
    padding: 40px 0 80px;
    background: var(--color-bg);
}

.docs-layout__inner {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 48px;
    align-items: start;
}

/* サイドバー */
.docs-sidebar {
    position: sticky;
    top: 88px;
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 24px;
}

.docs-nav__item {
    display: block;
    padding: 10px 16px;
    font-size: 0.9375rem;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    text-decoration: none;
}

.docs-nav__item:hover {
    background: var(--color-bg-gray);
    color: var(--color-primary);
}

.docs-nav__item--active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 700;
}

.docs-sidebar__cta {
    background: var(--color-bg-gray);
    border-radius: var(--radius-sm);
    padding: 20px;
}

/* メインコンテンツ */
.docs-content {
    min-width: 0;
}

.docs-content__inner {
    font-size: 1rem;
    line-height: 2;
}

.docs-content__inner h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 48px 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
}

.docs-content__inner h2:first-child {
    margin-top: 0;
}

.docs-content__inner h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 32px 0 12px;
    padding-left: 12px;
    border-left: 4px solid var(--color-primary);
}

.docs-content__inner h4 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 24px 0 8px;
}

.docs-content__inner p {
    margin-bottom: 20px;
}

.docs-content__inner ul,
.docs-content__inner ol {
    margin-bottom: 20px;
    padding-left: 24px;
}

.docs-content__inner li {
    margin-bottom: 6px;
}

.docs-content__inner table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 0.9375rem;
}

.docs-content__inner table th,
.docs-content__inner table td {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    text-align: left;
}

.docs-content__inner table th {
    background: var(--color-bg-gray);
    font-weight: 700;
}

.docs-content__inner table tr:nth-child(even) {
    background: #fafbfc;
}

/* コードブロック */
.docs-content__inner code {
    background: var(--color-bg-gray);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-family: 'Consolas', 'Monaco', monospace;
    color: #e11d48;
}

.docs-content__inner pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    overflow-x: auto;
    line-height: 1.6;
}

.docs-content__inner pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 0.875rem;
}

/* ヒントボックス */
.docs-tip {
    background: #eff6ff;
    border-left: 4px solid var(--color-primary);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 24px;
}

.docs-tip p {
    margin: 0;
    font-size: 0.9375rem;
}

.docs-tip strong {
    color: var(--color-primary);
}

.docs-warning {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 24px;
}

.docs-warning p {
    margin: 0;
    font-size: 0.9375rem;
}

.docs-warning strong {
    color: #b45309;
}

/* ステップリスト */
.docs-steps {
    counter-reset: step;
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
}

.docs-steps li {
    counter-increment: step;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.docs-steps li::before {
    content: counter(step);
    min-width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* 前後ナビ */
.docs-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.docs-pager__link {
    display: block;
    padding: 16px 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s;
}

.docs-pager__link:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.docs-pager__link--next {
    text-align: right;
}

.docs-pager__label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.docs-pager__title {
    display: block;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 0.9375rem;
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__image {
        display: none;
    }

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

    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card--featured {
        transform: none;
    }

    .subsidy__inner {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 48px;
    }

    .site-nav {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .site-nav.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        gap: 0;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

    .site-nav.active .site-nav__link {
        padding: 12px 0;
        border-bottom: 1px solid var(--color-border);
    }

    .site-nav.active .site-nav__dropdown {
        border-bottom: 1px solid var(--color-border);
    }

    .site-nav.active .site-nav__dropdown > .site-nav__link {
        padding: 12px 0;
    }

    .site-nav.active .site-nav__dropdown-menu {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        padding: 0 0 8px 16px;
    }

    .site-nav.active .btn--header {
        margin-top: 16px;
        text-align: center;
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .section__title {
        font-size: 1.5rem;
    }

    .problems__grid,
    .pillars__grid,
    .cases__grid {
        grid-template-columns: 1fr;
    }

    .features__grid {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.8125rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 8px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
    }

    .final-cta__buttons {
        flex-direction: column;
        align-items: center;
    }

    .docs-layout__inner {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: static;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 24px;
        margin-bottom: 24px;
    }

    .docs-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .docs-nav__item {
        padding: 8px 12px;
        font-size: 0.8125rem;
        background: var(--color-bg-gray);
    }

    .docs-pager {
        grid-template-columns: 1fr;
    }

    .docs-sidebar__cta {
        display: none;
    }
}

/* ============================================
   404ページ
   ============================================ */
.error-404 {
    padding-top: calc(72px + 80px);
    padding-bottom: 80px;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-404__inner {
    max-width: 500px;
}

.error-404__code {
    font-size: 6rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 16px;
}

.error-404__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.error-404__text {
    color: var(--color-text-light);
    margin-bottom: 32px;
    font-size: 1.0625rem;
}

.error-404__buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   インラインスタイル レスポンシブ上書き
   ============================================ */
@media (max-width: 1024px) {
    [style*="grid-template-columns: 1fr 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 768px) {
    [style*="grid-template-columns: 1fr 1fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: repeat("] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns: 1fr 1fr;"] {
        grid-template-columns: 1fr !important;
    }
}

/* ============================================
   業種別活用事例 詳細ページ
   ============================================ */

/* --- ヒーロー --- */
.case-detail-hero {
    padding-top: calc(72px + 48px);
    padding-bottom: 48px;
    color: white;
    text-align: center;
}

.case-detail-hero__breadcrumb {
    margin-bottom: 16px;
}

.case-detail-hero__breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    text-decoration: none;
}

.case-detail-hero__breadcrumb a:hover {
    color: white;
}

.case-detail-hero__category {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.case-detail-hero__icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.case-detail-hero__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: white;
}

.case-detail-hero__description {
    font-size: 1.0625rem;
    opacity: 0.9;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
}

/* --- 導入テキスト --- */
.case-detail-intro {
    font-size: 1rem;
    line-height: 2;
}

.case-detail-intro p {
    margin-bottom: 20px;
}

/* --- ファネル・カスタマージャーニー --- */
.funnel-journey {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    margin-top: 16px;
}

.funnel-phase {
    position: relative;
}

.funnel-phase__header {
    background: var(--phase-color);
    color: white;
    padding: 16px 8px 12px;
    border-radius: var(--radius) var(--radius) 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-height: 100px;
}

.funnel-phase__number {
    display: inline-flex;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
}

.funnel-phase__icon {
    font-size: 1.25rem;
}

.funnel-phase__label {
    font-size: 0.8125rem;
    font-weight: 700;
}

.funnel-phase__body {
    background: white;
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--phase-color);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 220px;
}

.funnel-phase__title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
}

.funnel-phase__description {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
    flex-grow: 1;
}

.funnel-phase__meta {
    border-top: 1px solid var(--color-border);
    padding-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.funnel-phase__meta-label {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-text-light);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.funnel-phase__feature-name {
    font-size: 0.75rem;
    color: var(--phase-color);
    font-weight: 700;
}

.funnel-phase__action-text {
    font-size: 0.75rem;
    color: var(--color-text);
}

/* --- 活用ポイントカード --- */
.case-features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.case-feature-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.2s;
}

.case-feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.case-feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.case-feature-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.case-feature-card__text {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- 差別化カード --- */
.case-diff__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-diff-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
}

.case-diff-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.case-diff-card__icon {
    font-size: 1.75rem;
}

.case-diff-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
}

.case-diff-card__text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.case-diff-card__examples {
    list-style: none;
    padding: 0;
}

.case-diff-card__examples li {
    padding: 6px 0;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-diff-card__examples li:last-child {
    border-bottom: none;
}

.case-diff-card__examples li::before {
    content: '\2713';
    color: var(--color-success);
    font-weight: 700;
    flex-shrink: 0;
}

/* --- 他の業種ナビ --- */
.case-siblings__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

/* 活用シーン一覧のカードリンク */
.case-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.case-card-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.case-card-link__inner {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
}

.case-sibling-card {
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: white;
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.case-sibling-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.case-sibling-card__top {
    padding: 16px;
    text-align: center;
}

.case-sibling-card__icon {
    font-size: 1.5rem;
}

.case-sibling-card__body {
    padding: 8px 12px 12px;
}

.case-sibling-card__category {
    font-size: 0.625rem;
    color: var(--color-text-light);
}

.case-sibling-card__title {
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 2px;
    line-height: 1.4;
}

/* --- ファネルレスポンシブ --- */
@media (max-width: 1024px) {
    .funnel-journey {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

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

    .case-siblings__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .case-detail-hero__title {
        font-size: 1.5rem;
    }

    .funnel-journey {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .funnel-phase {
        display: grid;
        grid-template-columns: 80px 1fr;
    }

    .funnel-phase__header {
        border-radius: var(--radius-sm) 0 0 var(--radius-sm);
        min-height: auto;
        padding: 12px 8px;
        justify-content: center;
    }

    .funnel-phase__body {
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        border-top: 1px solid var(--color-border);
        border-left: 3px solid var(--phase-color);
        min-height: auto;
        padding: 12px 16px;
    }

    .case-features__grid {
        grid-template-columns: 1fr;
    }

    .case-diff__grid {
        grid-template-columns: 1fr;
    }

    .case-siblings__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   スクロールアニメーション
   ============================================ */
.js .fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 子要素の段階的フェードイン */
.js .fade-in-up.stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-up.stagger.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up.stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-up.stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-up.stagger.is-visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-up.stagger.is-visible > *:nth-child(4) { transition-delay: 0.3s; }
.fade-in-up.stagger.is-visible > *:nth-child(5) { transition-delay: 0.4s; }
.fade-in-up.stagger.is-visible > *:nth-child(6) { transition-delay: 0.5s; }

/* SVG アイコン共通スタイル */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon svg {
    display: block;
}

/* セクション区切り（白基調 + ボーダー） */
.section--bordered {
    border-top: 1px solid var(--color-border);
}

/* アニメーション無効化 (prefers-reduced-motion) */
@media (prefers-reduced-motion: reduce) {
    .fade-in-up {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .fade-in-up.stagger > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
}