body {
  margin: 0;
  background-color: #FFF2F8;
  font-family: 'Noto Sans KR', sans-serif;
}
.signin-container {
  max-width: 400px;
  margin: 0 auto;
  padding: 80px 20px 40px;
  text-align: center;
}
.logo {
  font-size: 32px;
  font-weight: bold;
  color: #FF4DA1;
  margin-bottom: 60px;
}
.field {
  margin-bottom: 20px;
  text-align: left;
}
.field label {
  font-size: 14px;
  color: #333;
  margin-bottom: 8px;
  display: block;
}
.field input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid #E3E3E3;
  border-radius: 22px;
  font-size: 16px;
  box-sizing: border-box;
}
.check-btn {
  margin-top: 8px;
  font-size: 12px;
  padding: 6px 12px;
  background-color: #ff4da1;
  border: none;
  color: white;
  border-radius: 10px;
  cursor: pointer;
}
.error-field {
  color: red;
  font-size: 12px;
  margin-top: 4px;
}
.success-field {
  color: green;
  font-size: 12px;
  margin-top: 4px;
}
.btn-login {
  width: 100%;
  height: 50px;
  background-color: #FF4DA1;
  color: white;
  font-size: 16px;
  border: none;
  border-radius: 25px;
  margin-top: 10px;
  cursor: pointer;
}
.btn-login:disabled {
  background-color: #FFC0D1;
}