body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  margin: 0;
  font-family: "Pretendard", sans-serif;
  background: #f9f9ff;
  text-align: center;
  padding-top: 3rem;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%; /* 화면 전체 폭 사용 */
  max-width: 600px; /* 최대 600px */
  padding: 0 1rem; /* 좌우 여백 */
  box-sizing: border-box;
}

input[type="text"] {
  width: 100%; /* 최대 폭 사용 */
  padding: 12px 16px;
  margin-bottom: 1rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  box-sizing: border-box;
  text-align: center; /* 가운데 텍스트 */
}

select {
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 1rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  box-sizing: border-box;
}

button[type="submit"] {
  width: 100%; /* 버튼도 폭 꽉 차게 */
  padding: 12px 0;
  background-color: #5b8df8;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

button[type="submit"]:hover {
  background-color: #4a7de0;
}