/* CSS Variables & Design System */
:root {
  --font-primary: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Palette */
  --bg-dark: #070D19;
  --bg-surface: #0F172A;
  --bg-card: #1E293B;
  --bg-card-hover: #334155;
  
  --primary-accent: #F59E0B; /* Warm Amber / Gold */
  --primary-accent-hover: #D97706;
  --secondary-teal: #10B981; /* Emerald Teal */
  --secondary-blue: #3B82F6; /* Soft Blue */
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dark: #0F172A;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.15);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.gradient-text {
  background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 50%, #34D399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-accent) 0%, var(--primary-accent-hover) 100%);
  color: #000000;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* Header / Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 20px 0;
}

.navbar.scrolled {
  background: rgba(7, 13, 25, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-accent);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.company-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.company-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary-accent);
}

.nav-btn {
  background: rgba(245, 158, 11, 0.12);
  color: var(--primary-accent);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-btn:hover {
  background: var(--primary-accent);
  color: #000;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  border: 1px solid var(--border-color);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 2px 4px;
}

.lang-btn.active {
  color: var(--primary-accent);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  opacity: 0.3;
}

.shape-1 {
  width: 450px;
  height: 450px;
  background: var(--primary-accent);
  top: -100px;
  right: -100px;
}

.shape-2 {
  width: 500px;
  height: 500px;
  background: var(--secondary-blue);
  bottom: -150px;
  left: -150px;
}

.shape-3 {
  width: 300px;
  height: 300px;
  background: var(--secondary-teal);
  top: 40%;
  left: 40%;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--primary-accent);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--secondary-teal);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--secondary-teal);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-main);
}

.stat-unit {
  font-size: 1.1rem;
  color: var(--primary-accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-color);
}

/* Mockup Card in Hero */
.hero-visual {
  position: relative;
}

.mockup-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle), var(--shadow-glow);
  overflow: hidden;
}

.card-header-bar {
  background: rgba(15, 23, 42, 0.9);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

.card-title-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.card-body {
  padding: 24px;
}

.support-status-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.user-avatar-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.user-info strong {
  display: block;
  font-size: 0.9rem;
}

.user-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.status-pill {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.status-pill.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--secondary-teal);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.support-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.support-mini-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.support-mini-card:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(4px);
}

.icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-wrap.bg-blue { background: rgba(59, 130, 246, 0.15); color: var(--secondary-blue); }
.icon-wrap.bg-amber { background: rgba(245, 158, 11, 0.15); color: var(--primary-accent); }
.icon-wrap.bg-teal { background: rgba(16, 185, 129, 0.15); color: var(--secondary-teal); }

.support-mini-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.support-mini-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.support-progress {
  background: rgba(0, 0, 0, 0.2);
  padding: 14px;
  border-radius: var(--radius-sm);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-accent), var(--secondary-teal));
  border-radius: var(--radius-full);
}

/* Global Sections */
.section {
  padding: 100px 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary-accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 56px;
}

/* About Section */
.about-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.about-icon {
  width: 56px;
  height: 56px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-accent);
  margin-bottom: 24px;
}

.about-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

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

/* Services Section */
.services-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px;
  transition: var(--transition);
  overflow: hidden;
}

.service-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-4px);
}

.service-number {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--secondary-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-card:nth-child(2) .service-icon-box {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--primary-accent);
}

.service-card:nth-child(3) .service-icon-box {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--secondary-teal);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.service-list li::before {
  content: "•";
  position: absolute;
  left: 4px;
  color: var(--primary-accent);
  font-size: 1.2rem;
  line-height: 1;
}

/* Features Section */
.features-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
}

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

.features-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.feature-checklist {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.check-item {
  display: flex;
  gap: 16px;
}

.check-icon {
  width: 32px;
  height: 32px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--secondary-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.check-item h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

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

/* Interactive Timeline Card */
.interactive-demo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
}

.interactive-demo-card h3 {
  font-size: 1.15rem;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 38px;
  width: 2px;
  background: var(--border-color);
}

.timeline-step {
  display: flex;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.step-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  height: fit-content;
  white-space: nowrap;
}

.timeline-step.active .step-badge {
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary-accent);
  border-color: rgba(245, 158, 11, 0.4);
}

.step-content h5 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* News Section */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.news-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-accent);
  background: rgba(245, 158, 11, 0.1);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.news-date {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.news-title {
  font-size: 1.05rem;
  line-height: 1.4;
  margin-bottom: 12px;
}

.news-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Company Section */
.company-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
}

.company-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.company-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.company-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.company-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.company-row dt {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
}

.company-row dd {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Contact Section */
.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  max-width: 840px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
}

.required {
  color: #EF4444;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

.form-success-message {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  width: 60px;
  height: 60px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--secondary-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: bold;
  margin: 0 auto 20px;
}

.form-success-message h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.form-success-message p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Footer */
.footer {
  background: #030712;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

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

.footer-links a:hover {
  color: var(--primary-accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  width: 100%;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-notice {
  margin-top: 6px;
  color: #EF4444;
  font-weight: 500;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-container,
  .features-box {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .services-wrapper {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }

  .company-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    clip-path: circle(0% at 100% 0);
    transition: clip-path 0.4s ease-in-out;
  }

  .nav-menu.open {
    clip-path: circle(140% at 100% 0);
  }

  .hamburger {
    display: flex;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-box {
    padding: 32px 20px;
  }
}