* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #f4f4f4;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #4a90e2;
}

p {
  text-align: center;
  font-size: 1.1rem;
}

.question-block {
  margin: 1rem 0;
  padding: 1rem;
  border-bottom: 1px solid #ddd;
}

.question-block p {
  font-weight: bold;
}

.question-block label {
  display: block;
  margin: 0.3rem 0;
  cursor: pointer;
}

button {
  display: block;
  margin: 2rem auto;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  background-color: #4a90e2;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background-color: #357ab8;
}

.hidden {
  display: none;
}

#result-text {
  white-space: pre-wrap;
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: #fafafa;
  border: 1px solid #ddd;
  border-radius: 4px;
}

#result-image {
  display: block;
  max-width: 200px;
  margin: 1rem auto;
}