/* 基本設定 */
:root {
  --primary-color: #003366;
  --secondary-color: #004488;
  --accent-color: #FFD700;
  --text-color: #333333;
  --light-text: #666666;
  --bg-color: #ffffff;
  --light-bg: #f5f7fa;
  --border-color: #e0e0e0;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --primary-gradient: linear-gradient(135deg, #003366 0%, #004488 100%);
  --secondary-gradient: linear-gradient(135deg, #004488 0%, #0066cc 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
}

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

a:hover {
  color: var(--secondary-color);
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--accent-color);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--light-text);
  font-size: 1.1rem;
}

/* ボタンスタイル */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  border: 2px solid var(--primary-color);
}

.btn-primary:hover {
  background: var(--secondary-color);
  color: white;
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 51, 102, 0.3);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 51, 102, 0.3);
}

/* ヘッダー */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-color);
  box-shadow: var(--shadow);
  z-index: 1000;
  padding: 15px 0;
  height: 75px;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 25px;
}

.main-nav .nav-list {
  display: flex;
  list-style: none;
}

.main-nav .nav-list li {
  margin-left: 30px;
}

.main-nav .nav-list a {
  font-weight: 500;
  color: var(--text-color);
  position: relative;
}

.main-nav .nav-list a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.main-nav .nav-list a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle .material-icons {
  font-size: 24px;
}

/* スクロール時のヘッダースタイル */
.header.scrolled {
  padding: 10px 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* ヒーローセクション */
.hero {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  background-image: url('images/hero_backimage.jpg');
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  min-height: calc(100vh - 75px);
  display: flex;
  align-items: center;
  margin-top: 75px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.8) 0%, rgba(0, 68, 136, 0.6) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  color: white;
}

.hero-tag {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 8px 20px;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: white;
  font-weight: 700;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  line-height: 1.5;
  letter-spacing: 0.5px;
}

.hero-subtitle .highlight {
  color: #FFD700;
  font-weight: 800;
}

.hero-actions {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-color);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ヒーローセクションのボタンスタイル */
.hero .hero-actions .btn-primary {
  background: white;
  color: var(--primary-color);
  border: 2px solid white;
  font-weight: 600;
  padding: 15px 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero .hero-actions .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.hero .hero-actions .btn-secondary {
  background: transparent;
  border: 2px solid white;
  color: white;
  font-weight: 600;
  padding: 15px 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero .hero-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* スクロールダウンアイコン */
.scroll-down {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: fadeInUp 1s ease-in-out 0.5s both;
  transition: opacity 0.3s ease;
}

.scroll-down-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.scroll-down-link:hover {
  color: rgba(255, 255, 255, 0.8);
  transform: translateY(5px);
}

.scroll-down-text {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-down-icon {
  font-size: 32px;
  animation: bounce 2s infinite;
}

/* スクロールダウンアニメーション */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* モバイル対応 */
@media (max-width: 768px) {
  .scroll-down {
    bottom: 20px;
  }
  
  .scroll-down-text {
    font-size: 0.8rem;
  }
  
  .scroll-down-icon {
    font-size: 28px;
  }
}

/* 課題提起セクション */
.pain-points {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.cards {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 50px;
}

.card {
  background-color: var(--light-bg);
  border-radius: 8px;
  padding: 30px;
  flex: 1;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.card-icon .material-symbols-outlined {
  font-size: 40px;
  color: white;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  text-align: center;
}

.card-text {
  color: var(--light-text);
  text-align: left;
}

.cta-box {
  background: var(--primary-gradient);
  color: white;
  padding: 40px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 8px 16px rgba(0, 51, 102, 0.2);
}

.cta-box p {
  font-size: 1.3rem;
  margin-bottom: 0;
}

.cta-box .btn-primary {
  background-color: var(--accent-color);
  color: white;
  border: 2px solid white;
  font-weight: 600;
}

.cta-box .btn-primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* サービス概要セクション */
.service-overview {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.overview-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.overview-text {
  margin-bottom: 60px;
}

.overview-subtitle {
  font-size: 2.5rem;
  margin-bottom: 25px;
  color: var(--primary-color);
  line-height: 1.3;
}

.overview-text > p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: var(--light-text);
  line-height: 1.8;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin: 0 auto;
}

.feature-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 40px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  text-align: center;
}

.feature-list li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.feature-list .feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  border-radius: 10px;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.feature-list .material-icons {
  color: white;
  font-size: 24px;
}

.feature-content h4 {
  font-size: 1.5rem;
  margin-bottom: 18px;
  color: var(--primary-color);
  font-weight: 600;
}

.feature-content p {
  color: var(--light-text);
  line-height: 1.7;
  margin: 0;
  font-size: 1.1rem;
  text-align: left;
}

.overview-video {
  max-width: 900px;
  margin: 0 auto;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 12px;
}

/* サービス内容セクション */
.service-details {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  gap: 15px;
}

.tab-btn {
  padding: 14px 32px;
  background-color: #e8f0f8;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-color);
  position: relative;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tab-btn:hover {
  background-color: #d4e4f5;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.tab-btn.active {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
  transform: translateY(-2px);
}

.tab-btn.active:hover {
  background: var(--secondary-gradient);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 51, 102, 0.4);
}

.tab-content {
  display: none;
  padding-top: 10px;
}

.tab-content.active {
  display: block;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

/* 各種レポートタブ専用のグリッド */
#tab2 .content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 30px;
}

.content-item {
  background-color: var(--light-bg);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.content-item h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.content-item p {
  margin-bottom: 15px;
}

/* テキスト部分を上部に固定し、動画部分を下部に配置 */
.content-text {
  flex: 1;
}

.video-container {
  margin-top: auto;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 250px;
}

.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.document-preview {
  position: relative;
  margin-top: auto;
  border-radius: 8px;
  overflow: hidden;
  height: 350px;
}

.document-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 料金プランセクション */
.pricing {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.pricing-plans {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.pricing-plan {
  background-color: var(--bg-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 40px 30px;
  flex: 1;
  max-width: 380px;
  min-width: 320px;
  position: relative;
  transition: var(--transition);
}

.pricing-plan:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-plan.featured {
  border: 2px solid var(--primary-color);
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(0, 51, 102, 0.15);
}

.pricing-plan.featured:hover {
  transform: scale(1.02) translateY(-10px);
}

.plan-tag {
  position: absolute;
  top: -15px;
  right: 30px;
  background: var(--primary-gradient);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 2px 6px rgba(0, 51, 102, 0.3);
}

.plan-header {
  text-align: center;
  margin-bottom: 30px;
}

.plan-name {
  font-size: 1.4rem;
  margin-bottom: 15px;
  line-height: 1.3;
}

.plan-price {
  margin-bottom: 15px;
}

.plan-price .price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.plan-price .period {
  font-size: 1rem;
  color: var(--light-text);
}

.plan-description {
  color: var(--light-text);
  font-size: 0.95rem;
}

.plan-features ul {
  list-style: none;
  margin-bottom: 30px;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.plan-features .material-icons {
  color: var(--primary-color);
  margin-right: 10px;
  font-size: 18px;
  margin-top: 2px;
}

.plan-cta {
  text-align: center;
}

/* 導入プロセスセクション */
.implementation-process {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.process-timeline {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  flex: 1;
  text-align: center;
  padding: 0 15px;
}

.step-number {
  width: 30px;
  height: 30px;
  background: var(--primary-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: 0 2px 6px rgba(0, 51, 102, 0.3);
}

.step-icon {
  width: 80px;
  height: 80px;
  background-color: var(--bg-color);
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.1);
}

.step-icon .material-icons {
  font-size: 40px;
  color: var(--primary-color);
}

.process-step h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--light-text);
  font-size: 0.9rem;
  text-align: left;
}

.process-cta {
  text-align: center;
  background-color: var(--light-bg);
  padding: 30px;
  border-radius: 8px;
}

.process-cta p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

/* 導入メリットセクション */
.benefits {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.benefit-item {
  text-align: center;
  padding: 30px;
  background-color: var(--bg-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.benefit-item:hover {
  transform: translateY(-10px);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.benefit-icon .material-symbols-outlined {
  font-size: 40px;
  color: white;
}

.benefit-item h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.benefit-item p {
  text-align: left;
}

/* 導入事例セクション */
.case-studies {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.case-study {
  background-color: var(--light-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.case-study:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-study-content {
  padding: 30px;
}

.case-study-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.case-study-icon .material-symbols-outlined {
  font-size: 30px;
  color: white;
}

.case-study-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  text-align: center;
}

.case-study-text {
  margin-bottom: 20px;
  color: var(--light-text);
}

.case-study-result {
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

/* 最新レポートセクション */
.recent-reports {
  padding: 100px 0;
  background-color: var(--light-bg);
}

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

.report-card {
  background-color: var(--bg-color);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.report-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.report-date {
  font-size: 0.9rem;
  color: var(--light-text);
  margin-bottom: 10px;
}

.report-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.report-excerpt {
  margin-bottom: 20px;
  color: var(--light-text);
}

.report-link {
  display: flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 500;
}

.report-link .material-icons {
  margin-right: 5px;
}

.reports-action {
  text-align: center;
}

/* 専門家紹介セクション */
.experts {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.experts-grid {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.expert-card {
  background-color: var(--bg-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  max-width: 600px;
  width: 100%;
}

.expert-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.expert-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  object-position: center 20%;
}

.expert-info {
  padding: 20px;
}

.expert-name {
  font-size: 1.3rem;
  margin-bottom: 5px;
}

.expert-position {
  color: var(--primary-color);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.expert-bio {
  color: var(--light-text);
  font-size: 0.9rem;
}

/* 比較表セクション */
.comparison {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.table-responsive {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.comparison-table th,
.comparison-table td {
  padding: 15px;
  text-align: center;
  border: 1px solid var(--border-color);
}

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

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
}

.comparison-table tr:nth-child(even) {
  background-color: rgba(0, 91, 172, 0.05);
}

.comparison-table .material-icons.check {
  color: #4caf50;
}

.comparison-table .material-icons.partial {
  color: #ff9800;
}

.comparison-table .material-icons.no {
  color: #f44336;
}

/* よくある質問セクション */
.faq {
  padding: 100px 0;
  background-color: var(--light-bg);
}

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

.accordion-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--bg-color);
  border: none;
  text-align: left;
  font-size: 1.2rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.accordion-header:hover {
  background-color: #e4ecf7;
}

.accordion-content {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: var(--bg-color);
}

.accordion-content p {
  padding: 20px 0;
}

.accordion-item.active .accordion-header {
  background: var(--primary-gradient);
  color: white;
}

.accordion-item.active .accordion-content {
  max-height: 200px;
}

/* お客様の声セクション */
.testimonials {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.testimonials-slider {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--border-color);
}

.testimonial {
  flex: 0 0 350px;
  background-color: var(--light-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.testimonial-content {
  padding: 30px;
  position: relative;
}

.testimonial-quote {
  position: absolute;
  top: 20px;
  right: 20px;
  opacity: 0.1;
}

.testimonial-quote .material-icons {
  font-size: 40px;
  color: var(--primary-color);
}

.testimonial-text {
  margin-bottom: 20px;
  font-style: italic;
}

.author-name {
  font-weight: 700;
  color: var(--primary-color);
}

/* 関連サービスセクション */
.related-services {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--bg-color);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.service-icon .material-symbols-outlined {
  font-size: 30px;
  color: white;
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  text-align: center;
}

.service-description {
  color: var(--light-text);
  margin-bottom: 20px;
}

.service-link {
  display: flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 500;
}

.service-link .material-icons {
  margin-left: 5px;
  font-size: 18px;
}

/* 資料ダウンロードセクション */
.download-section {
  padding: 100px 0;
  background-color: var(--bg-color);
}

.download-cards {
  display: flex;
  justify-content: center;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.download-card {
  background-color: var(--light-bg);
  border-radius: 12px;
  padding: 40px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: var(--text-color);
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.download-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  color: var(--text-color);
}

.download-card:hover::before {
  transform: scaleX(1);
}

.download-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  margin-bottom: 25px;
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.2);
  transition: var(--transition);
}

.download-card:hover .download-card-icon {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 51, 102, 0.3);
}

.download-card-icon .material-icons {
  font-size: 40px;
  color: white;
}

.download-card-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  font-weight: 600;
}

.download-card-description {
  color: var(--light-text);
  margin-bottom: 25px;
  line-height: 1.6;
  flex-grow: 1;
  text-align: left;
}

.download-card-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--primary-color);
  font-weight: 600;
  padding: 12px 24px;
  border: 2px solid var(--primary-color);
  border-radius: 4px;
  transition: var(--transition);
  margin-top: auto;
  background: transparent;
}

.download-card:hover .download-card-action {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 51, 102, 0.3);
}

.download-card-action .material-icons {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.download-card:hover .download-card-action .material-icons {
  transform: translateX(5px);
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
  .download-cards {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .download-cards {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .download-card {
    padding: 30px 20px;
    max-width: 100%;
    min-width: 280px;
  }
  
  .download-card-icon {
    width: 70px;
    height: 70px;
  }
  
  .download-card-icon .material-icons {
    font-size: 35px;
  }
  
  .download-card-title {
    font-size: 1.3rem;
  }
}

/* お問い合わせセクション */
.contact {
  padding: 100px 0;
  background-color: var(--light-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  background-color: var(--bg-color);
  padding: 40px 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  margin: 0 auto 20px;
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.2);
}

.contact-icon .material-icons {
  font-size: 40px;
  color: white;
}

.contact-card h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.contact-card p {
  margin-bottom: 15px;
  color: var(--light-text);
}

.phone-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.department {
  font-weight: 500;
  color: var(--text-color);
}

.business-hours {
  font-size: 0.9rem;
  color: var(--light-text);
}

/* CTA固定バナー */
.fixed-cta {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 1500; /* ヘッダーよりも下、他のコンテンツよりは上 */
}

.cta-button {
  display: flex;
  align-items: center;
  background: var(--primary-gradient);
  color: white;
  padding: 12px 20px;
  border-radius: 30px;
  box-shadow: 0 4px 10px rgba(0, 51, 102, 0.3);
  transition: var(--transition);
}

.cta-button:hover {
  background: var(--secondary-gradient);
  transform: translateY(-3px);
  color: white;
  box-shadow: 0 6px 15px rgba(0, 51, 102, 0.4);
}

.cta-button .material-icons {
  margin-right: 8px;
}

/* 画像モーダル */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.image-modal.active {
  display: flex;
}

.image-modal .modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.image-modal .modal-content {
  position: relative;
  width: 90%;
  max-width: 1200px;
  max-height: 90vh;
  z-index: 2001;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-modal .modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2002;
}

.image-modal .modal-close:hover {
  background: white;
  transform: scale(1.1);
}

.image-modal .modal-image-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-modal .modal-image-container img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* スライダーナビゲーションボタン */
.image-modal .modal-prev,
.image-modal .modal-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  padding: 15px;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2002;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.image-modal .modal-prev {
  left: 20px;
}

.image-modal .modal-next {
  right: 20px;
}

.image-modal .modal-prev:hover,
.image-modal .modal-next:hover {
  background: white;
  transform: translateY(-50%) scale(1.1);
}

.image-modal .modal-prev .material-icons,
.image-modal .modal-next .material-icons {
  font-size: 28px;
}

/* ページカウンター */
.image-modal .modal-counter {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 2002;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .image-modal .modal-content {
    width: 95%;
    max-height: 85vh;
  }
  
  .image-modal .modal-close {
    top: -45px;
    width: 36px;
    height: 36px;
  }
  
  .image-modal .modal-image-container img {
    max-height: 85vh;
  }
  
  .image-modal .modal-prev,
  .image-modal .modal-next {
    width: 40px;
    height: 40px;
    padding: 10px;
  }
  
  .image-modal .modal-prev {
    left: 10px;
  }
  
  .image-modal .modal-next {
    right: 10px;
  }
  
  .image-modal .modal-prev .material-icons,
  .image-modal .modal-next .material-icons {
    font-size: 24px;
  }
  
  .image-modal .modal-counter {
    bottom: -50px;
    font-size: 0.9rem;
    padding: 8px 16px;
  }
}

@media (max-width: 576px) {
  .image-modal .modal-close {
    top: 10px;
    right: 10px;
  }
  
  .image-modal .modal-prev,
  .image-modal .modal-next {
    width: 36px;
    height: 36px;
    padding: 8px;
  }
  
  .image-modal .modal-prev .material-icons,
  .image-modal .modal-next .material-icons {
    font-size: 20px;
  }
  
  .image-modal .modal-counter {
    font-size: 0.85rem;
    padding: 6px 14px;
  }
}

/* レポート一覧モーダル */
.reports-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.reports-modal.active {
  display: flex;
}

.reports-modal .modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
}

.reports-modal .modal-content {
  position: relative;
  width: 90%;
  max-width: 900px;
  max-height: 80vh;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  z-index: 2001;
}

.reports-modal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background: var(--primary-color);
  color: white;
}

.reports-modal .modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.reports-modal .modal-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 5px;
}

.reports-modal .modal-body {
  padding: 0;
  max-height: 60vh;
  overflow-y: auto;
}

.reports-table-container {
  overflow-x: auto;
}

.reports-table {
  width: 100%;
  border-collapse: collapse;
}

.reports-table th,
.reports-table td {
  padding: 12px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.reports-table th {
  background-color: var(--light-bg);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.reports-table tr:hover {
  background-color: rgba(0, 51, 102, 0.05);
}

.reports-table td:first-child {
  white-space: nowrap;
  font-weight: 500;
  color: var(--primary-color);
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
  .hero-title {
      font-size: 3rem;
  }
  
  .pricing-plans {
      flex-direction: column;
      align-items: center;
  }
  
  .pricing-plan {
      max-width: 100%;
      width: 100%;
  }
  
  .pricing-plan.featured {
      transform: scale(1);
  }
  
  .pricing-plan.featured:hover {
      transform: translateY(-10px);
  }
  
  .process-timeline {
      flex-direction: column;
      gap: 30px;
  }
  
  .process-timeline::before {
      display: none;
  }
}

@media (max-width: 992px) {
  .benefits-grid {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: repeat(3, 1fr);
  }
  
  .feature-list {
      grid-template-columns: 1fr;
      gap: 30px;
  }
}

@media (max-width: 1200px) {
  .main-nav {
      display: none;
  }
  
  .main-nav.active {
      display: flex;
      flex-direction: column;
      align-items: center;
      position: fixed;
      top: 75px;
      left: 0;
      width: 100%;
      height: auto;
      max-height: 80vh;
      overflow-y: auto;
      background-color: var(--bg-color);
      box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
      padding: 20px 0;
      z-index: 1900;
      border-bottom: 1px solid var(--border-color);
      text-align: center;
  }
  
  .main-nav.active .nav-list {
      flex-direction: column;
      align-items: center;
  }
  
  .main-nav.active .nav-list li {
      margin: 10px 0;
  }
  
  .header-actions .btn {
      display: none;
  }
  
  .menu-toggle {
      display: block;
  }
  
  /* モバイルメニュー内のボタン設定 */
  .mobile-buttons {
      display: none;
  }
  
  .main-nav.active .mobile-buttons {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      margin-top: 20px;
      gap: 15px;
      padding: 0 20px;
      width: 100%;
  }
  
  .main-nav.active .mobile-buttons .btn {
      display: block;
      width: 80%;
      max-width: 300px;
      margin: 5px auto;
      text-align: center;
  }
  
  .main-nav.active .header-buttons .btn {
      display: block;
      width: 100%;
  }
}

@media (max-width: 768px) {
  .header {
      padding: 10px 0;
      height: 60px;
  }
  
  .header.scrolled {
      padding: 10px 0;
      height: 60px;
  }
  
  .hero {
      margin-top: 60px;
      padding-top: 20px;
  }
  
  .main-nav.active {
      top: 60px;
  }
  
  .hero {
      padding: 120px 0 80px;
      background-attachment: scroll;
  }
  
  .hero-title {
      font-size: 2.5rem;
  }
  
  .hero-subtitle {
      font-size: 1.2rem;
  }
  
  .hero-actions {
      flex-direction: column;
      align-items: center;
  }
  
  .hero-stats {
      gap: 20px;
  }
  
  .stat-item {
      padding: 15px;
  }
  
  .cards {
      flex-direction: column;
  }
  
  .tabs {
      flex-direction: column;
      gap: 10px;
  }
  
  .tab-btn {
      width: 100%;
      padding: 14px 24px;
      font-size: 1rem;
  }
  
  #tab2 .content-grid {
      grid-template-columns: 1fr;
      grid-template-rows: auto;
  }
  
  .video-container {
      height: 200px;
  }
  
  .document-preview {
      height: 200px;
  }
  
  .benefits-grid {
      grid-template-columns: 1fr;
      grid-template-rows: auto;
  }
  
  .contact-grid {
      grid-template-columns: 1fr;
  }
  
  .experts-grid {
      padding: 0 10px;
  }
  
  .expert-card {
      max-width: 100%;
  }
}

@media (max-width: 576px) {
  .section-title {
      font-size: 2rem;
  }
  
  .hero-title {
      font-size: 2rem;
  }
  
  .hero-subtitle {
      font-size: 1.1rem;
  }
  
  .hero-actions {
      flex-direction: column;
      gap: 15px;
  }
  
  /* 固定CTAボタンの調整 */
  .fixed-cta {
      bottom: 10px;
      right: 10px;
      gap: 8px;
      z-index: 900;
  }
  
  .cta-text {
      display: none;
  }
  
  .cta-button {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      justify-content: center;
      padding: 0;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  }
  
  .cta-button .material-icons {
      margin-right: 0;
      font-size: 18px;
  }
  
  .header {
      height: 55px;
      padding: 8px 0;
  }
  
  .header.scrolled {
      height: 55px;
      padding: 8px 0;
  }
  
  .logo img {
      height: 20px;
  }
  
  .menu-toggle .material-icons {
      font-size: 20px;
  }
  
  .main-nav.active {
      top: 55px;
      padding: 15px 0;
  }
  
  .hero {
      margin-top: 55px;
      padding-top: 20px;
  }
}

/* ===== フッター ===== */
#footer {
  font-size: 10px;
  background-color: #002656;
}

#footer .nav-footer-global li a {
  font-size: 14px;
  color: #fff;
}

#footer .footer-bland__copy small {
  font-size: 14px;
  color: #fff;
}