body {
    font-family: sans-serif;
    background-color: #f5f5f5;
    padding: 40px;
}

.login-box {
    background-color: #fff;
    padding: 30px;
    max-width: 400px;
    margin: auto;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.btn {
    width: 100%;
    padding: 12px;
    background-color: #0078d4;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.btn-lineworks {
    background-color: #00c300;
    margin-top: 20px;
}
/* Bootstrap設定 */
*, *::before, *::after {
  box-sizing: border-box;
}

@media (max-width: 576px) {
  body {
    padding: 20px;
  }

  .login-box {
    padding: 20px;
    max-width: 100%;
    box-shadow: none;
    border-radius: 0;
  }

  input[type="text"],
  input[type="password"] {
    padding: 8px;
    font-size: 16px;
  }

  .btn {
    padding: 14px;
    font-size: 16px;
  }
}