/* ------------------------------
   ベーススタイル
------------------------------ */
:root {
  --main-dark: #302C4D;
  --secondary-dark: #403A65;
  --main-light: #ffffff;
  --accent-color: #E66239;
  --accent-gradient: linear-gradient(90deg, #E66239 0%, #F78D64 100%);
  --secondary-accent: #F78D64;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --card-bg: #403A65;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.25);
  --success-color: #2dce89;
  --warning-color: #fb6340;
  --info-color: #11cdef;
  --danger-color: #f5365c;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Noto Sans JP', 'Poppins', sans-serif;
}

body {
  background-color: var(--main-dark);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

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

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.text-highlight {
  color: var(--accent-color);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.section-header.animate {
  opacity: 1;
  transform: translateY(0);
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ------------------------------
   ボタンスタイル
------------------------------ */
.primary-btn, .secondary-btn, .cta-btn, .pricing-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}

.primary-btn {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(125, 95, 255, 0.4);
}

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(125, 95, 255, 0.6);
}

.secondary-btn {
  background: rgba(125, 95, 255, 0.1);
  color: var(--accent-color);
  border: 1px solid rgba(125, 95, 255, 0.3);
}

.secondary-btn:hover {
  background: rgba(125, 95, 255, 0.2);
  transform: translateY(-3px);
}

/* ------------------------------
   ヘッダー
------------------------------ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  background-color: rgba(19, 19, 33, 0.8);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

header.scrolled {
  padding: 12px 0;
  background-color: rgba(19, 19, 33, 0.95);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links li a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
}

.nav-links li a:hover {
  color: var(--text-primary);
}

.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
}

.nav-links li a:hover::after {
  width: 100%;
}

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

.login-btn {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 15px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.login-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.trial-btn {
  font-size: 0.9rem;
  background: var(--accent-gradient);
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(125, 95, 255, 0.3);
  transition: all 0.3s ease;
}

.trial-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 20px rgba(125, 95, 255, 0.5);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--text-primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ------------------------------
   ヒーローセクション
------------------------------ */
.hero-section {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(125, 95, 255, 0.15) 0%, rgba(19, 19, 33, 0) 70%);
  z-index: -1;
}

.hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  gap: 40px;
}

.hero-content {
  flex: 1 1 500px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 20px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero-image {
  flex: 1 1 500px;
  position: relative;
}

.dashboard-preview {
  position: relative;
  z-index: 1;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: var(--card-bg);
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 15px;
  max-width: 200px;
}

.card-1 {
  top: 20%;
  right:10px;
  animation: float 3s ease-in-out infinite;
}

.card-2 {
  bottom: 20%;
  left: 10px;
  animation: float 3s ease-in-out infinite 1.5s;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
}

.card-content h4 {
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.card-content p {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--success-color);
}

.card-2 .card-content p {
  color: var(--info-color);
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.trusted-by {
  text-align: center;
  margin-top: 80px;
  padding: 40px 20px;
  border-top: 1px solid var(--border-color);
}

.trusted-by p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.company-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.company-logos img {
  height: 25px;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.company-logos img:hover {
  opacity: 0.8;
}

/* ------------------------------
   課題セクション
------------------------------ */
.problems-section {
  padding: 100px 0;
  background-color: var(--secondary-dark);
  position: relative;
  overflow: hidden;
}

.problems-section::before {
  content: '';
  position: absolute;
  top: -300px;
  right: -300px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(31, 30, 46, 0) 70%);
  z-index: 0;
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.problem-cards.animate {
  opacity: 1;
  transform: translateY(0);
}

.problem-card {
  background: var(--main-dark);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.problem-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  border-color: rgba(125, 95, 255, 0.3);
}

.problem-card:hover::before {
  opacity: 1;
}

.problem-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(125, 95, 255, 0.1);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-card h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.problem-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ------------------------------
   機能セクション
------------------------------ */
.features-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.features-section::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(19, 19, 33, 0) 70%);
  z-index: -1;
}

.feature-tabs {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.feature-tabs.animate {
  opacity: 1;
  transform: translateY(0);
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 25px;
  background: var(--main-dark);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
  border-color: rgba(125, 95, 255, 0.3);
}

.tab-btn.active {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
  box-shadow: 0 5px 15px rgba(125, 95, 255, 0.3);
}

.tab-content {
  position: relative;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 60px;
}

.feature-text {
  flex: 1 1 450px;
}

.feature-text h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.feature-text p {
  color: var(--text-secondary);
  margin-bottom: 25px;
  font-size: 1.05rem;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 30px;
}

.feature-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: var(--accent-gradient);
  border-radius: 50%;
  opacity: 0.8;
}

.feature-list li::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
  color: white;
  font-size: 0.7rem;
}

.feature-image {
  flex: 1 1 450px;
}

.feature-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

/* ------------------------------
   ワークフローセクション
------------------------------ */
.workflow-section {
  padding: 100px 0;
  background-color: var(--secondary-dark);
  position: relative;
  overflow: hidden;
}

.workflow-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(31, 30, 46, 0) 70%);
  z-index: 0;
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.workflow-steps.animate {
  opacity: 1;
  transform: translateY(0);
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  background: var(--main-dark);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.workflow-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  border-color: rgba(125, 95, 255, 0.3);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.workflow-visualization {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  margin-top: 40px;
}

.workflow-visualization img {
  width: 100%;
  display: block;
}

/* ------------------------------
   導入効果
------------------------------ */
.benefits-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.benefits-section::after {
  content: '';
  position: absolute;
  bottom: -300px;
  right: -300px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(19, 19, 33, 0) 70%);
  z-index: -1;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.benefits-grid.animate {
  opacity: 1;
  transform: translateY(0);
}

.benefit-card {
  background: var(--secondary-dark);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  text-align: center;
}

.benefit-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  border-color: rgba(125, 95, 255, 0.3);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.time-icon {
  background: linear-gradient(135deg, #7d5fff 0%, #5e72e4 100%);
}

.cost-icon {
  background: linear-gradient(135deg, #11cdef 0%, #1171ef 100%);
}

.error-icon {
  background: linear-gradient(135deg, #fb6340 0%, #fbb140 100%);
}

.visibility-icon {
  background: linear-gradient(135deg, #f5365c 0%, #f56036 100%);
}

.stock-icon {
  background: linear-gradient(135deg, #2dce89 0%, #2dcca6 100%);
}

.relation-icon {
  background: linear-gradient(135deg, #5e72e4 0%, #825ee4 100%);
}

.benefit-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.benefit-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ------------------------------
   導入事例セクション
------------------------------ */
.case-studies-section {
  padding: 100px 0;
  background-color: var(--secondary-dark);
  position: relative;
  overflow: hidden;
}

.case-studies-section::before {
  content: '';
  position: absolute;
  bottom: -200px;
  right: -200px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(31, 30, 46, 0) 70%);
  z-index: 0;
}

.case-list {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.case-list.animate {
  opacity: 1;
  transform: translateY(0);
}

.case-item {
  display: flex;
  flex-wrap: wrap;
  background: var(--main-dark);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

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

.case-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  border-color: var(--accent-color);
}

.case-content {
  flex: 1 1 500px;
  padding: 40px;
  position: relative;
}

.quote-mark {
  font-size: 5rem;
  position: absolute;
  top: 20px;
  left: 30px;
  color: var(--accent-color);
  opacity: 0.2;
  font-family: 'Georgia', serif;
}

.quote-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.quote-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.author-title {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.case-image {
  flex: 1 1 300px;
  position: relative;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 300px;
}

/* メディアクエリ - モバイル対応 */
@media (max-width: 768px) {
  .case-item {
    flex-direction: column;
  }
  
  .case-image img {
    min-height: 200px;
  }
}

/* ------------------------------
   料金プラン
------------------------------ */
.pricing-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.pricing-section::after {
  content: '';
  position: absolute;
  top: -300px;
  left: -300px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(19, 19, 33, 0) 70%);
  z-index: -1;
}

.plan-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  color: var(--text-secondary);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--secondary-dark);
  border: 1px solid var(--border-color);
  transition: .4s;
  border-radius: 30px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 3px;
  background: var(--accent-gradient);
  transition: .4s;
  border-radius: 50%;
}

input:checked + .toggle-slider:before {
  transform: translateX(29px);
}

.save-badge {
  background: var(--success-color);
  color: white;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.pricing-cards.animate {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card {
  background: var(--secondary-dark);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
}

.pricing-card.popular {
  border: 2px solid var(--accent-color);
  transform: scale(1.05);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-10px);
}

.popular-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.8rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.pricing-header {
  padding: 30px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.price {
  margin-bottom: 15px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.price-custom {
  font-size: 1.5rem;
  color: var(--accent-color);
  font-weight: 600;
}

.price-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features {
  padding: 30px;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.pricing-btn {
  display: block;
  margin: 0 30px 30px;
  padding: 12px;
  text-align: center;
  background: var(--accent-gradient);
  color: white;
  border-radius: 30px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.pricing-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(125, 95, 255, 0.4);
}

.contact-btn {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
}

.contact-btn:hover {
  background: rgba(125, 95, 255, 0.1);
}

/* ------------------------------
   FAQ
------------------------------ */
.faq-section {
  padding: 100px 0;
  background-color: var(--secondary-dark);
  position: relative;
  overflow: hidden;
}

.faq-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125, 95, 255, 0.1) 0%, rgba(31, 30, 46, 0) 70%);
  z-index: 0;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.faq-accordion.animate {
  opacity: 1;
  transform: translateY(0);
}

.faq-item {
  background: var(--main-dark);
  border-radius: 10px;
  margin-bottom: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.faq-item:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-color: rgba(125, 95, 255, 0.3);
}

.faq-question {
  padding: 20px 30px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 500;
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--accent-color);
  transition: all 0.3s ease;
}

.faq-icon::before {
  top: 9px;
  left: 0;
  width: 100%;
  height: 2px;
}

.faq-icon::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 100%;
}

.faq-item.active .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

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

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: 0 30px 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ------------------------------
   CTA
------------------------------ */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #1f1e2e 0%, #131321 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(125, 95, 255, 0.15) 0%, rgba(19, 19, 33, 0) 70%);
  z-index: 0;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.cta-content.animate {
  opacity: 1;
  transform: translateY(0);
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.cta-form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  max-width: 500px;
  margin: 0 auto 20px;
}

.cta-form input {
  flex: 1;
  padding: 12px 20px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 1rem;
}

.cta-form input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.cta-btn {
  padding: 12px 30px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(125, 95, 255, 0.4);
}

.cta-note {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 15px;
}

/* ------------------------------
   フッター
------------------------------ */
footer {
  background-color: var(--main-dark);
  padding-top: 80px;
}

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

.footer-main {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-info {
  flex: 1 1 250px;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

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

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: rgba(125, 95, 255, 0.1);
  color: var(--accent-color);
  transform: translateY(-3px);
}

.footer-links {
  flex: 2 1 600px;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-column {
  flex: 1 1 120px;
}

.footer-column h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-weight: 600;
}

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

.footer-column ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.footer-column ul li a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.footer-bottom-links a:hover {
  color: var(--text-secondary);
}

/* ------------------------------
   レスポンシブ
------------------------------ */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .case-content {
    padding: 30px;
  }
  
  .pricing-card.popular {
    transform: scale(1.03);
  }
  
  .pricing-card.popular:hover {
    transform: scale(1.03) translateY(-10px);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    gap: 20px;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--main-dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transition: all 0.3s ease;
    z-index: 999;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .header-buttons .login-btn {
    display: none;
  }
  
  .feature-list {
    grid-template-columns: 1fr;
  }
  
  .cta-form {
    flex-direction: column;
    gap: 15px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-bottom-links {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .section-header h2 {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 15px;
  }
  
  .hero-buttons a {
    width: 100%;
    text-align: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  
  .stat-item {
    align-items: center;
  }
  
  .benefit-card h3 {
    font-size: 1.1rem;
  }
  
  .pricing-card.popular {
    transform: none;
  }
  
  .pricing-card.popular:hover {
    transform: translateY(-10px);
  }
  
  .workflow-step {
    flex-direction: column;
  }
  
  .step-content {
    text-align: center;
  }
  
  .step-number {
    margin: 0 auto 15px;
  }
}