/* Business Systems Section Styles */
.business-systems-section {
  background: #f8f9fa;
  padding: 80px 0;
  position: relative;
}

.business-systems-section .section-title {
  text-align: center;
  margin-bottom: 20px;
}

.business-systems-section .section-title .title-en {
  display: block;
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 2px;
  margin-bottom: 10px;
  color: #667eea;
  opacity: 0.8;
}

.business-systems-section .section-title .title-ja {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 0;
}

.business-systems-description {
  text-align: center;
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 50px;
}

.business-systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.business-system-card {
  background: white;
  border-radius: 20px;
  padding: 35px 30px;
  text-decoration: none;
  display: block;
  transition: all 0.3s ease;
  border: 2px solid #e0e0e0;
  position: relative;
  overflow: hidden;
}

.business-system-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.business-system-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
  border-color: #667eea;
}

.business-system-card .system-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
  display: block;
}

.business-system-card h3 {
  font-size: 1.6rem;
  color: #333;
  margin-bottom: 8px;
  font-weight: 700;
}

.business-system-card .system-subtitle {
  font-size: 0.9rem;
  color: #764ba2;
  margin-bottom: 15px;
  font-weight: 600;
  display: block;
}

.business-system-card .system-description {
  font-size: 1rem;
  color: #666;
  line-height: 1.7;
  margin-bottom: 20px;
}

.business-system-card .system-features {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.business-system-card .system-features li {
  padding: 8px 0;
  color: #555;
  font-size: 0.95rem;
  border-bottom: 1px solid #f0f0f0;
  position: relative;
  padding-left: 25px;
}

.business-system-card .system-features li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
  font-size: 1.1rem;
}

.business-system-card .system-pricing {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 12px 20px;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  margin: 20px 0;
  display: inline-block;
}

.business-system-card .system-link {
  display: inline-block;
  color: #667eea;
  font-weight: 600;
  margin-top: 15px;
  transition: transform 0.3s ease;
}

.business-system-card:hover .system-link {
  transform: translateX(5px);
}

.business-systems-cta {
  text-align: center;
  margin-top: 40px;
}

.business-systems-cta .cta-text {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 20px;
}

.business-systems-button {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.business-systems-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.business-systems-button .button-arrow {
  margin-left: 10px;
  transition: transform 0.3s ease;
}

.business-systems-button:hover .button-arrow {
  transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 992px) {
  .business-systems-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .business-systems-section {
    padding: 60px 0;
  }

  .business-systems-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .business-system-card {
    padding: 25px 20px;
  }

  .business-system-card h3 {
    font-size: 1.4rem;
  }

  .business-systems-section .section-title .title-ja {
    font-size: 2rem;
  }

  .business-systems-description {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .business-system-card .system-icon {
    font-size: 2.5rem;
  }

  .business-system-card h3 {
    font-size: 1.2rem;
  }

  .business-system-card .system-description {
    font-size: 0.9rem;
  }

  .business-system-card .system-features li {
    font-size: 0.85rem;
  }

  .business-system-card .system-pricing {
    font-size: 0.9rem;
    padding: 10px 15px;
  }
}