body {
  font-family:
    "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans",
    Meiryo, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f9f9f9;
}

.container {
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 24px;
  border-bottom: 2px solid #eee;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

h2 {
  font-size: 20px;
  margin-top: 30px;
  margin-bottom: 15px;
  color: #444;
}

p {
  margin-bottom: 15px;
}

ul {
  margin-bottom: 15px;
  padding-left: 20px;
}

li {
  margin-bottom: 5px;
}

footer {
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: #777;
}