/* ========================================
   グローバルスタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - 落ち着いたトーン */
    --primary-color: #4a5568;
    --secondary-color: #718096;
    --accent-color: #2d3748;
    --success-color: #48bb78;
    --info-color: #4299e1;
    --warning-color: #ed8936;
    --danger-color: #e53e3e;
    
    /* グレースケール */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* サービス別カラー - 落ち着いた色 */
    --copyright-color: #6b7280;
    --content-color: #4b5563;
    
    /* その他 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 0.5rem;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: #1a202c;
    background: #f7fafc;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header h1 i {
    margin-right: 0.5rem;
}

.subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    font-weight: 400;
}

/* ========================================
   メインコンテンツ
======================================== */
.main {
    background-color: var(--gray-50);
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

section {
    background: white;
    margin-bottom: 2rem;
    padding: 2.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 1.875rem;
    color: #1a202c;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
}

.section-title i {
    color: var(--primary-color);
}

/* ========================================
   現状と背景セクション
======================================== */
.background-section {
    background: #ffffff;
}

.background-section .section-title {
    color: #1a202c;
    border-bottom-color: var(--primary-color);
}

.background-section .section-title i {
    color: var(--primary-color);
}

.background-content {
    /* Removed flex layout for simpler text display */
}

.timeline-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #d1fae5;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: #065f46;
    border: 2px solid #10b981;
    width: fit-content;
}

.timeline-badge i {
    font-size: 1.3rem;
}

.status-box {
    display: flex;
    gap: 1.5rem;
    background: #f0fdf4;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid #86efac;
    border-left: 5px solid var(--success-color);
}

.status-icon {
    font-size: 3rem;
    color: var(--success-color);
    flex-shrink: 0;
}

.status-text h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.status-text p {
    font-size: 1.125rem;
    color: #2d3748;
    line-height: 1.9;
}

.status-simple {
    font-size: 1.25rem;
    color: #2d3748;
    line-height: 2;
    font-weight: 400;
}

.future-plan {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e5e7eb;
}

.future-plan h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #1a202c;
    font-weight: 700;
}

.plan-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.plan-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #f3f4f6;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: #1a202c;
    border: 1px solid #d1d5db;
}

.plan-item i {
    font-size: 1.2rem;
}

/* ========================================
   イントロダクションセクション
======================================== */
.intro-section {
    background: #ffffff;
}

.artist-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #eef2ff;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #3730a3;
    border: 2px solid #a5b4fc;
}

.artist-badge i {
    color: #fbbf24;
}

.intro-section .section-title {
    color: #1a202c;
    border-bottom-color: var(--primary-color);
}

.intro-section .section-title i {
    color: var(--primary-color);
}

.intro-box {
    background: #f8fafc;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e2e8f0;
}

.intro-section .intro-text {
    font-size: 1.25rem;
    line-height: 1.9;
    color: #2d3748;
    font-weight: 400;
}

.intro-subtext {
    font-size: 1.0625rem;
    color: #4a5568;
}

.highlight-primary {
    background: #fef3c7;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    color: #92400e;
    border-bottom: 2px solid #fbbf24;
}

/* ========================================
   Content ID説明ボックス
======================================== */
.contentid-explainer {
    display: flex;
    gap: 1.25rem;
    background: #fffbeb;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid #fde68a;
    margin-bottom: 1.5rem;
}

.explainer-icon {
    width: 50px;
    height: 50px;
    background: #f59e0b;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.explainer-content h4 {
    font-size: 1.125rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.explainer-content p {
    font-size: 1.0rem;
    color: #4a5568;
    line-height: 1.8;
}

/* サービス注意書き */
.service-note {
    display: flex;
    gap: 1rem;
    background: #f0f9ff;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid #3b82f6;
    margin-top: 1.5rem;
}

.service-note > i {
    color: #3b82f6;
    font-size: 1.25rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.service-note strong {
    display: block;
    font-size: 1.0625rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.service-note p {
    font-size: 0.9375rem;
    color: #4a5568;
    line-height: 1.8;
}

/* ========================================
   サービスカード
======================================== */
.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

.service-card {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.service-number {
    position: absolute;
    top: -15px;
    left: 30px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 900;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    border: 4px solid white;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-header {
    padding: 1.5rem;
    padding-top: 2rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.service-header i {
    font-size: 2rem;
}

.service-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.copyright-header {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

.content-header {
    background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
}

.service-body {
    padding: 2rem;
}

.service-description {
    font-size: 1.125rem;
    color: #2d3748;
    margin-bottom: 2rem;
    line-height: 1.9;
    font-weight: 500;
}

.service-details h4 {
    font-size: 1.25rem;
    color: #1a202c;
    margin: 1.5rem 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.service-details h4 i {
    color: var(--primary-color);
}

.detail-list {
    list-style: none;
    margin-bottom: 2rem;
}

.detail-list li {
    padding: 0.875rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 1.0625rem;
    color: #2d3748;
    line-height: 1.8;
}

.detail-list li:last-child {
    border-bottom: none;
}

.detail-list i {
    color: var(--success-color);
    margin-top: 0.2rem;
    font-size: 1.1rem;
}

/* ========================================
   プロモーションボックス
======================================== */
.promotion-box {
    background: #fafafa;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e5e7eb;
    border-left: 4px solid var(--primary-color);
}

.promo-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.promo-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.promo-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.promo-item strong {
    display: block;
    font-size: 1.125rem;
    color: #1a202c;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.promo-item p {
    color: #4a5568;
    font-size: 1.0rem;
    line-height: 1.7;
}

/* ========================================
   メリットグリッド
======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.benefit-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid #e5e7eb;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 1.75rem;
    color: white;
}

.benefit-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.benefit-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.benefit-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.benefit-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.benefit-icon.red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.benefit-icon.teal { background: linear-gradient(135deg, #14b8a6, #0d9488); }

.benefit-card h3 {
    font-size: 1.25rem;
    color: #1a202c;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.benefit-card p {
    color: #4a5568;
    font-size: 1.0rem;
    line-height: 1.8;
}

/* ========================================
   権利関係セクション
======================================== */
.rights-notice {
    display: flex;
    gap: 1.5rem;
    background: #fffbeb;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid #fde68a;
    border-left: 5px solid var(--warning-color);
    margin-bottom: 2rem;
}

.notice-icon {
    font-size: 3rem;
    color: var(--warning-color);
    flex-shrink: 0;
}

.notice-content h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.notice-content p {
    font-size: 1.125rem;
    color: #2d3748;
    line-height: 1.9;
}

.stakeholders {
    margin-bottom: 2rem;
}

.stakeholders h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.stakeholder-list {
    display: grid;
    gap: 1rem;
}

.stakeholder-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: #ffffff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e5e7eb;
    border-left: 4px solid var(--primary-color);
}

.stakeholder-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.stakeholder-info strong {
    display: block;
    font-size: 1.1875rem;
    color: #1a202c;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.stakeholder-info p {
    color: #4a5568;
    font-size: 1.0rem;
    line-height: 1.7;
}

.discussion-points h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.point-card {
    display: flex;
    gap: 1rem;
    background: #ffffff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e5e7eb;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.point-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.point-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.point-content h4 {
    font-size: 1.125rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.point-content p {
    color: #4a5568;
    font-size: 1.0rem;
    line-height: 1.8;
}

/* ========================================
   運用方針とファンコミュニティ戦略セクション
======================================== */
.strategy-section {
    border-left: 5px solid #3b82f6;
}

.strategy-intro {
    margin-bottom: 2rem;
}

.strategy-lead {
    font-size: 1.125rem;
    color: #2d3748;
    line-height: 1.9;
    padding: 1.5rem;
    background: #eff6ff;
    border-radius: var(--radius-lg);
    border-left: 4px solid #3b82f6;
}

/* 基本方針 */
.basic-policy {
    margin-bottom: 3rem;
}

.basic-policy h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.policy-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid;
    text-align: center;
}

.policy-card.positive {
    background: #f0fdf4;
    border-color: #86efac;
}

.policy-card.neutral {
    background: #eff6ff;
    border-color: #93c5fd;
}

.policy-card.negative {
    background: #fef2f2;
    border-color: #fca5a5;
}

.policy-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.policy-card.positive .policy-icon {
    background: #10b981;
    color: white;
}

.policy-card.neutral .policy-icon {
    background: #3b82f6;
    color: white;
}

.policy-card.negative .policy-icon {
    background: #ef4444;
    color: white;
}

.policy-card h4 {
    font-size: 1.1875rem;
    color: #1a202c;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.policy-card p {
    font-size: 1.0rem;
    color: #4a5568;
    line-height: 1.7;
}

/* ファン向けガイドライン */
.fan-guidelines {
    margin-bottom: 3rem;
}

.fan-guidelines h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.guidelines-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.guideline-section {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid;
}

.ok-section {
    background: #f0fdf4;
    border-color: #86efac;
}

.ng-section {
    background: #fef2f2;
    border-color: #fca5a5;
}

.guideline-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid;
}

.ok-section .guideline-header {
    border-bottom-color: #86efac;
}

.ng-section .guideline-header {
    border-bottom-color: #fca5a5;
}

.guideline-header i {
    font-size: 1.75rem;
}

.ok-section .guideline-header i {
    color: #10b981;
}

.ng-section .guideline-header i {
    color: #ef4444;
}

.guideline-header h4 {
    font-size: 1.25rem;
    color: #1a202c;
    font-weight: 700;
}

.guideline-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.guideline-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 1.0rem;
    color: #2d3748;
    line-height: 1.7;
}

.guideline-list li i {
    margin-top: 0.2rem;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.ok-section .guideline-list li i {
    color: #10b981;
}

.ng-section .guideline-list li i {
    color: #ef4444;
}

.guideline-condition {
    background: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    border-left: 4px solid #10b981;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.guideline-condition strong {
    color: #1a202c;
    font-weight: 700;
}

.guideline-condition span {
    color: #4a5568;
}

/* Content ID運用例 */
.contentid-examples {
    margin-bottom: 3rem;
}

.contentid-examples h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.example-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.example-card {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.example-header {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    color: white;
}

.example-header.case-ok {
    background: linear-gradient(135deg, #10b981, #059669);
}

.example-header.case-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.example-header.case-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.example-header i {
    font-size: 1.25rem;
}

.example-card h4 {
    padding: 1.5rem 1.5rem 1rem;
    font-size: 1.125rem;
    color: #1a202c;
    font-weight: 700;
}

.example-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem 1rem;
    gap: 0.5rem;
}

.flow-step {
    flex: 1;
    text-align: center;
}

.step-label {
    display: block;
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.flow-step p {
    font-size: 0.9375rem;
    color: #1a202c;
    font-weight: 600;
}

.example-flow i {
    color: #9ca3af;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.example-note {
    padding: 1rem 1.5rem 1.5rem;
    font-size: 0.9375rem;
    color: #6b7280;
    line-height: 1.6;
}

/* 戦略の効果 */
.strategy-benefits {
    margin-bottom: 3rem;
}

.strategy-benefits h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.strategy-benefits-grid {
    display: grid;
    gap: 1rem;
}

.strategy-benefit-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: var(--radius-lg);
    border: 2px solid #e2e8f0;
}

.benefit-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-content h4 {
    font-size: 1.125rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.benefit-content p {
    font-size: 1.0rem;
    color: #4a5568;
    line-height: 1.7;
}

/* 実装フロー */
.implementation-flow h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.flow-timeline {
    position: relative;
    padding-left: 3rem;
}

.flow-timeline::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #3b82f6, #2563eb);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 0 0 4px #ffffff;
}

.timeline-content {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e2e8f0;
}

.timeline-content h4 {
    font-size: 1.125rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.timeline-content p {
    font-size: 1.0rem;
    color: #4a5568;
    line-height: 1.7;
}

/* ========================================
   まとめセクション
======================================== */
.summary-box {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 2px solid #e5e7eb;
}

.summary-main {
    margin-bottom: 2.5rem;
}

.summary-main h3 {
    font-size: 1.75rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.summary-emphasis {
    background: #f0fdf4;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    border: 2px solid #86efac;
    text-align: center;
}

.summary-emphasis p {
    font-size: 1.375rem;
    color: #1a202c;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.summary-emphasis i {
    color: #fbbf24;
    font-size: 1.75rem;
}

.summary-text {
    font-size: 1.125rem;
    color: #2d3748;
    line-height: 1.9;
}

.next-steps h3 {
    font-size: 1.5rem;
    color: #1a202c;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.steps-list {
    list-style: none;
    counter-reset: step-counter;
}

.steps-list li {
    counter-increment: step-counter;
    position: relative;
    padding: 1.5rem 1.5rem 1.5rem 5rem;
    background: #f8fafc;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
    border: 2px solid #e2e8f0;
    transition: transform 0.3s ease;
}

.steps-list li:hover {
    transform: translateX(5px);
}

.steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.steps-list li strong {
    display: block;
    font-size: 1.1875rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.steps-list li p {
    color: #4a5568;
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* ========================================
   フッター
======================================== */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    section {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-cards {
        grid-template-columns: 1fr;
    }
    
    .service-number {
        width: 60px;
        height: 60px;
        font-size: 2rem;
        left: 20px;
        top: -10px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .points-grid {
        grid-template-columns: 1fr;
    }
    
    .rights-notice {
        flex-direction: column;
        text-align: center;
    }
    
    .notice-icon {
        font-size: 2rem;
    }
    
    .stakeholder-item {
        flex-direction: column;
        text-align: center;
    }
    
    .intro-text {
        font-size: 1.1rem;
    }
    
    .summary-emphasis p {
        font-size: 1.2rem;
        flex-direction: column;
    }
    
    .steps-list li {
        padding: 1.5rem 1rem 1rem 1rem;
    }
    
    .steps-list li::before {
        position: static;
        transform: none;
        margin: 0 auto 1rem auto;
    }
    
    .status-box {
        flex-direction: column;
        text-align: center;
    }
    
    .contentid-explainer {
        flex-direction: column;
        text-align: center;
    }
    
    .service-note {
        flex-direction: column;
        text-align: center;
    }
    
    .plan-items {
        flex-direction: column;
    }
    
    .policy-grid {
        grid-template-columns: 1fr;
    }
    
    .guidelines-container {
        grid-template-columns: 1fr;
    }
    
    .example-cards {
        grid-template-columns: 1fr;
    }
    
    .example-flow {
        flex-direction: column;
        gap: 1rem;
    }
    
    .example-flow i {
        transform: rotate(90deg);
    }
    
    .strategy-benefit-item {
        flex-direction: column;
        text-align: center;
    }
    
    .benefit-number {
        margin: 0 auto;
    }
    
    .flow-timeline {
        padding-left: 0;
    }
    
    .flow-timeline::before {
        display: none;
    }
    
    .timeline-marker {
        position: static;
        margin: 0 auto 1rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 2rem 0;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .main {
        padding: 1.5rem 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .intro-box {
        padding: 1.5rem;
    }
    
    .service-body {
        padding: 1.5rem;
    }
    
    .benefit-card {
        padding: 1.5rem;
    }
}