/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #ffffff;
  min-height: 100vh;
}

/* Header */
header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e0e0e0;
}

.logo {
  font-size: 18px;
  font-weight: 600;
  color: #0066cc;
  letter-spacing: 0.5px;
}

/* Simulation Banner */
.simulation-banner {
  background-color: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 4px;
  padding: 12px 16px;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.banner-icon {
  font-size: 20px;
}

.banner-text {
  font-weight: 600;
  color: #856404;
}

/* Main Content */
main {
  margin-top: 20px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 30px;
  color: #1a1a1a;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.content-section {
  margin-bottom: 30px;
}

.content-section p {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 16px;
  color: #4a4a4a;
}

/* Important Note */
.important-note {
  background-color: #fff5f5;
  border-left: 4px solid #dc3545;
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 4px;
}

.important-note strong {
  color: #dc3545;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.important-note {
  color: #721c24;
  font-size: 15px;
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  .simulation-banner {
    padding: 10px 14px;
  }
}