@charset "UTF-8";
/* main.css - レイアウト、コンポーネント、ページ固有スタイル */

/* ヘッダー */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 40px;
}

.main-nav ul {
    display: flex;
    gap: 20px;
}

.main-nav a {
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: rgba(0, 91, 172, 0.1);
    color: #005BAC;
}

.nav-highlight {
    background-color: #005BAC;
    color: white !important;
    padding: 8px 15px;
    border-radius: 4px;
}

.nav-highlight:hover {
    background-color: #004a8c !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 91, 172, 0.2);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: #333;
    transition: all 0.3s ease;
}

/* ヒーローセクション */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: white;
    margin-bottom: 4rem;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.hero-content {
    max-width: 700px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-highlights {
    display: flex;
    gap: 20px;
    margin-bottom: 2.5rem;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 500;
}

.highlight i {
    font-size: 1.5rem;
    color: #FF8C00;
}

/* プロジェクト概要 */
.project-summary {
    padding: 6rem 0;
    background-color: white;
}

.summary-content {
    display: flex;
    gap: 50px;
    margin-bottom: 4rem;
    align-items: center;
}

.summary-text {
    flex: 1;
}

.summary-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.summary-image {
    flex: 1;
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
    display: flex;
}

.summary-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px !important;
}

.summary-image:hover {
    transform: perspective(1000px) rotateY(0);
}

.key-achievements {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.achievement-item {
    flex: 1;
    display: flex;
    align-items: center;
    background-color: #f2f8ff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 91, 172, 0.1);
    transition: transform 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-5px);
}

.achievement-icon {
    background-color: #005BAC;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.achievement-icon i {
    font-size: 1.8rem;
}

.achievement-content h3 {
    font-size: 1.8rem;
    color: #005BAC;
    margin-bottom: 5px;
}

.achievement-content p {
    font-size: 0.95rem;
}

/* 移転ストーリー */
.story-section {
    padding: 6rem 0;
    background-color: #f9f9f9;
}

.chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.chapter-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chapter-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.chapter-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.chapter-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.chapter-card:hover .chapter-image img {
    transform: scale(1.05);
}

.chapter-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #005BAC;
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    font-weight: 500;
}

.soon-overlay {
    background-color: #777;
}

.chapter-content {
    padding: 25px;
}

.chapter-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
}

.chapter-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.release-date {
    display: inline-block;
    color: #005BAC;
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid #005BAC;
    padding: 5px 10px;
    border-radius: 4px;
}

/* 3Dオフィスデザイナー紹介 */
.product-intro {
    padding: 6rem 0;
    background-color: #eef5ff;
}

.product-intro-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.product-image {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px !important;
}

.product-info {
    flex: 1;
}

.product-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #005BAC;
}

.product-info p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-list {
    margin-bottom: 2rem;
}

.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.feature-list i {
    color: #005BAC;
    margin-right: 10px;
}

.feature-list li i.fa-check {
    color: #005BAC;
}

.feature-list li i.fa-times {
    color: #e74c3c;
}

.product-cta {
    display: flex;
    gap: 15px;
}

/* チェックリスト紹介 */
.checklist-intro {
    padding: 6rem 0;
    background-color: #fff;
}

.checklist-content {
    flex: 1;
}

.checklist-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.checklist-content h2 span {
    display: block;
    font-size: 1.4rem;
}

.checklist-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.checklist-preview {
    margin-bottom: 2rem;
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
}

.checklist-preview li {
    font-size: 1.05rem;
    line-height: 2.2;
}

.checklist-preview > li {
    text-indent: -1em;
    padding-left: 1em;
}

.checklist-preview > li .checklist-list-child li{
    position: relative;
    padding-left: 2em;
}

.checklist-preview > li .checklist-list-child li::before{
    position: absolute;
    content: '';
    top: 1.1em;
    left: 0em;
    width: 0.5em;
    height: 1px;
    background: #333;
}


.checklist-image {
    flex: 1;
    display: flex;
}

.checklist-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px !important;
}

.checklist-intro .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

/* フッター */
.site-footer {
    background-color: #222;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 15px;
}

.footer-logo p {
    color: #aaa;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 50px;
}

.footer-nav h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #fff;
}

.footer-nav ul li {
    margin-bottom: 10px;
}

.footer-nav a {
    color: #aaa;
    font-size: 0.95rem;
}

.footer-nav a:hover {
    color: white;
    text-decoration: underline;
}

.footer-social h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #333;
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: #005BAC;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
}

.footer-bottom p {
    color: #aaa;
    font-size: 0.9rem;
}

/* チャプターページ共通スタイル */
.chapter-page {
    padding-top: 70px;
}

/* チャプターヒーロー */
.chapter-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    color: white;
    margin-bottom: 0;
}

.chapter-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.chapter-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chapter-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.chapter-hero-content {
    max-width: 800px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.chapter-badge {
    display: inline-block;
    background-color: #FF8C00;
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.chapter-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.chapter-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* チャプターナビゲーション */
.chapter-navigation {
    background-color: #f2f8ff;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.chapter-nav-items {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chapter-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #005BAC;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.chapter-nav-item:hover {
    background-color: rgba(0, 91, 172, 0.1);
}

.chapter-nav-item.current {
    color: #666;
    cursor: default;
}

.chapter-nav-divider {
    width: 1px;
    height: 24px;
    background-color: #ddd;
}

/* チャプター概要 */
.chapter-summary {
    padding: 3rem 0;
    background-color: white;
}

.chapter-summary-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.chapter-summary h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.chapter-summary p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #666;
    text-align: left !important;
}

/* チャプターセクション */
.chapter-section {
    padding: 5rem 0;
}

.bg-light {
    background-color: #f9f9f9;
}

.section-content {
    display: flex;
    gap: 50px;
    margin: 2.5rem 0;
    align-items: flex-start;
}

.section-content.reverse {
    flex-direction: row-reverse;
}

.section-text {
    flex: 1;
    max-width: 100%;
}

.section-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #333;
    text-align: left !important;
}

.section-text h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1.2rem;
    color: #333;
    padding-bottom: 0.6rem;
    position: relative;
    border-bottom: 1px solid #eaeaea;
    text-align: left !important;
}

.section-text h3::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #005BAC;
}

.chapter-section p,
.data-visualization p {
    color: #333;
    line-height: 1.8;
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.chapter-section ul li,
.chapter-section ol li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
    text-align: left !important;
}

.chapter-section .section-title {
    font-size: 2.2rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.feature-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    font-size: 1.05rem;
    line-height: 1.6;
    text-align: left !important;
}

.feature-list i {
    margin-right: 12px;
    margin-top: 4px;
    color: #005BAC;
}

.feature-list i.fa-times {
    color: #e74c3c;
}

.chapter-image-box {
    flex: 1 !important;
    margin-bottom: 2.5rem;
    display: block !important;
}

.chapter-image-box img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    border-radius: 8px !important;
}

.image-caption {
    font-style: italic;
    color: #555;
    margin-top: 0.8rem;
    font-size: 0.95rem;
    line-height: 1.5;
    padding: 8px 0 !important;
    border-bottom: 1px dashed #ddd;
    text-align: center !important;
}

.quote-box {
    background-color: #f0f7ff;
    border-left: 4px solid #005BAC;
    padding: 25px 30px;
    margin: 2.5rem auto;
    border-radius: 0 8px 8px 0;
    display: flex;
    flex-direction: column;
    max-width: 760px;
    width: 100%;
    box-sizing: border-box;
}

.quote-box blockquote {
    font-size: 1.15rem;
    font-style: italic;
    color: #333;
    line-height: 1.8;
    margin-bottom: 15px;
    position: relative;
    padding: 0 20px;
}

.quote-box blockquote::before,
.quote-box blockquote::after {
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    color: rgba(0, 91, 172, 0.2);
    font-size: 1.5rem;
}

.quote-box blockquote::before {
    content: "\f10d";
    /* 開始引用符アイコン */
    left: -5px;
    top: -10px;
}

.quote-box blockquote::after {
    content: "\f10e";
    /* 終了引用符アイコン */
    right: -5px;
    bottom: -10px;
}

.quote-author {
    text-align: right;
    font-style: italic;
    font-weight: 500;
    color: #666;
}

.data-visualization {
    margin: 3rem auto;
    width: 100%;
    max-width: 960px;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    background-color: white;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.data-visualization h3 {
    text-align: left !important;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 1rem;
    margin-bottom: 1.8rem;
}

.data-visualization p {
    text-align: left !important;
    max-width: 100%;
}

.data-visualization .chart-description {
    text-align: left !important;
    margin-top: 2.5rem;
}

.data-visualization .chart-description p {
    text-align: left !important;
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.data-visualization .feature-list {
    text-align: left !important;
    margin-left: 0;
    padding-left: 0;
}

.data-visualization .feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    line-height: 1.6;
    text-align: left !important;
}

.data-visualization .feature-list li i {
    margin-top: 0.3rem;
    margin-right: 1rem;
    color: #005BAC;
    flex-shrink: 0;
}

.data-visualization p:last-of-type {
    text-align: left !important;
    width: 100%;
}

.chart-container {
    max-width: 700px !important;
    margin: 0 auto 1.5rem !important;
    display: block !important;
    background-color: transparent !important;
}

.chart-container img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    border-radius: 8px !important;
}

.chart-description {
    text-align: left !important;
    max-width: 600px;
    margin: 0 auto;
    color: #666;
    margin-top: 2rem;
}

.chart-description p {
    text-align: left !important;
    margin-bottom: 1.2rem;
}

.process-steps {
    margin: 3rem 0;
}

.process-step {
    display: flex;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background-color: #005BAC;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 1.1rem;
    margin-right: 20px;
    margin-top: 5px;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #333;
    text-align: left !important;
}

.step-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    color: #444;
    text-align: left !important;
}

.step-number+.step-content p,
.step-number+.step-content h3 {
    text-align: left !important;
}

.process-steps .process-step .step-content p {
    text-align: left !important;
    line-height: 1.8 !important;
}

.process-step .step-content p {
    margin-bottom: 1rem !important;
    line-height: 1.8 !important;
}

.chapter-section h3+p,
.process-step .step-content h3+p {
    margin-top: 0.5rem !important;
}

.requirement-list {
    padding-left: 20px;
    margin-bottom: 1rem;
}

.requirement-list li {
    margin-bottom: 10px;
    font-size: 1.05rem;
    line-height: 1.6;
}

.chapter-images-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 3rem 0;
}

.grid-image {
    display: block !important;
}

.grid-image img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    border-radius: 8px !important;
}

.pmo-section {
    background-color: #f5fcff;
}

.chapter-highlight-box {
    background-color: #fff8e1;
    border-radius: 8px;
    padding: 35px 30px;
    margin: 3rem auto;
    display: flex;
    flex-direction: column;
    max-width: 760px;
    width: calc(100% - 40px);
    box-sizing: border-box;
    border-left: 5px solid #FF8C00;
}

.chapter-highlight-box h3 {
    color: #FF8C00;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: none;
}

.chapter-highlight-box h3::after {
    display: none;
}

.chapter-highlight-box p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.chapter-highlight-box ol {
    padding-left: 1.5rem;
    margin-left: 0;
    margin-bottom: 1.5rem;
}

.chapter-highlight-box ol li {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.chapter-section .chapter-highlight-box,
section.chapter-section .chapter-highlight-box {
    margin-top: 1.5rem !important;
    margin-bottom: 3rem !important;
}

.chapter-section:last-of-type h2+div,
.chapter-section:last-of-type .section-title+div {
    margin-bottom: 1rem !important;
}

.next-chapter-preview {
    background-color: #f2f8ff;
    border-radius: 8px;
    padding: 30px;
    margin: 3rem auto 0;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 760px;
}

.next-chapter-preview h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #005BAC;
}

.next-chapter-preview p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* チェックリストページ用スタイル */
.checklist-page {
    padding-top: 70px;
}

/* チェックリストヒーロー */
.checklist-hero {
    background-color: #f2f8ff;
    padding: 80px 0;
}

.checklist-hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.checklist-hero-content {
    flex: 1;
}

.checklist-hero-content h1 {
    font-size: 2.8rem;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 2rem;
}

.hero-tagline {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: #444;
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.7;
}

.hero-tagline i {
    color: #005BAC;
    font-size: 1.5rem;
    margin: 0 10px;
    flex-shrink: 0;
}

.hero-author {
    text-align: right;
    font-weight: 500;
    color: #666;
}

.checklist-hero-image {
    flex: 1;
    max-width: 500px;
}

.checklist-hero-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* チェックリスト概要 */
.checklist-overview {
    padding: 80px 0;
    background-color: white;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.checklist-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.checklist-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.checklist-icon {
    background-color: #005BAC;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.checklist-icon i {
    font-size: 1.8rem;
}

.checklist-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.checklist-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 15px;
}

.checklist-sample {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    margin-top: auto;
}

.checklist-sample ul {
    list-style: none;
}

.checklist-sample ul li {
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: #444;
}

/* ダウンロードフォーム */
.download-form-section {
    background-color: #f2f8ff;
    padding: 80px 0;
}

.download-form-wrapper {
    display: flex;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.download-info {
    background-color: #005BAC;
    color: white;
    padding: 40px;
    flex: 1;
}

.download-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.download-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.7;
}

.benefit-list {
    margin-bottom: 30px;
}

.benefit-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.benefit-item i {
    color: #FF8C00;
    margin-right: 15px;
    font-size: 1.3rem;
}

.benefit-item span {
    font-size: 1.05rem;
}

.preview-image {
    margin-top: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.preview-image img {
    width: 100%;
    height: auto;
    display: block;
}

.download-form {
    padding: 40px;
    flex: 1;
}

.download-form h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #333;
}

.download-form>p {
    color: #666;
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #444;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus {
    border-color: #005BAC;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 91, 172, 0.1);
}

.required {
    color: #f44336;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-group input {
    margin-right: 10px;
    margin-top: 3px;
}

.form-action {
    margin-top: 30px;
}

.form-action button {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

.form-note {
    margin-top: 20px;
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
}

.form-success {
    text-align: center;
    padding: 30px 0;
}

.form-success i {
    font-size: 3rem;
    color: #4caf50;
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.form-success p {
    color: #444;
    margin-bottom: 10px;
}

.download-links {
    margin-top: 30px;
}

/* 問い合わせページ用スタイル */
.contact-page {
    padding-top: 70px;
}

/* コンタクトヒーロー */
.contact-hero {
    background-color: #005BAC;
    color: white;
    padding: 80px 0;
    text-align: center;
}

.contact-hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.contact-hero .subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    color: white;
}

/* タブメニュー */
.contact-tabs {
    padding: 80px 0;
    background-color: white;
}

.tabs-container {
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.tab-list {
    display: flex;
    background-color: #f2f8ff;
}

.tab-button {
    flex: 1;
    background: none;
    border: none;
    padding: 20px 15px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
}

.tab-button:hover {
    background-color: rgba(0, 91, 172, 0.1);
    color: #005BAC;
}

.tab-button.active {
    background-color: white;
    color: #005BAC;
    position: relative;
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #005BAC;
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.tab-content h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #333;
    text-align: center;
}

.tab-description {
    text-align: center;
    margin-bottom: 30px;
    color: #666;
    font-size: 1.05rem;
}

/* よくある質問セクション */
.faq-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 0;
    padding-right: 40px;
}

.faq-toggle {
    color: #005BAC;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.faq-answer p {
    margin: 0;
    padding-bottom: 20px;
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
}

/* お問い合わせ情報 */
.contact-info {
    padding: 80px 0;
    background-color: white;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-item {
    background-color: #f2f8ff;
    border-radius: 8px;
    padding: 30px;
    display: flex;
    align-items: flex-start;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-icon {
    background-color: #005BAC;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-info-icon i {
    font-size: 1.3rem;
}

.contact-info-content {
    flex: 1;
}

.contact-info-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.contact-number {
    font-size: 1.3rem;
    font-weight: 700;
    color: #005BAC;
    margin-bottom: 5px;
}

.contact-hours,
.contact-note {
    font-size: 0.9rem;
    color: #666;
}
/* ヘッダーとナビゲーションの重なり防止 - 全画面サイズ共通 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: white;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

body {
  padding-top: 90px; /* ヘッダーの高さに合わせて調整 */
}

.chapter-navigation {
  position: sticky;
  top: 90px; /* ヘッダーの高さに合わせて調整 */
  z-index: 900;
  background-color: #f2f8ff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* ナビゲーションの下部にスペースを追加 */
.chapter-navigation + section {
  margin-top: 15px;
}

@media (max-width: 768px) {
  body {
    padding-top: 80px; /* モバイル用ヘッダーの高さに合わせて調整 */
  }
  
  .chapter-navigation {
    top: 80px; /* モバイル用ヘッダーの高さに合わせて調整 */
  }
}