body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  margin: 0;
  padding: 20px;
  background-color: #f4f7f6;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1, h2 {
  color: #2c3e50;
}

hr {
  border: 0;
  border-top: 1px solid #eee;
  margin: 30px 0;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box; /* 패딩이 너비에 포함되도록 설정 */
}

textarea {
  height: 120px;
  resize: vertical;
}

button[type="submit"] {
  background-color: #3498db;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  width: 100%;
}

button[type="submit"]:hover {
  background-color: #2980b9;
}

button:not([type="submit"]) {
  margin-bottom: 10px;
}