body {
  background-color: #f5f6f8;
}

.btn-option {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 1.05rem;
}

.btn-back {
  min-height: 44px;
}

#step-container {
  min-height: 240px;
}

.decision-trail {
  font-size: 0.85rem;
  color: #495057;
}