body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: flex-start;  /* フォームを上に配置 */
    height: 100vh;
    margin: 0;
}

.side-header {
    padding: 5px;
    margin: 5px;
    background-color: #847ba6;
    color: white;
}

.login-container {
    background-color: #fff;
    margin-top: 50px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    width: 400px;  /* 幅を調整 */
    max-width: 90%;  /* 画面幅に応じて調整 */
}

.login-container h2 {
    text-align: center;
    margin-bottom: 20px;
}

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

.login-container input {
    width: 92%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.login-container button {
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    background-color: #847ba6;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.login-container button:hover {
    background-color: #45a049;
}

.home-container {
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    width: 640px;  /* 幅を調整 */
    max-width: 90%;  /* 画面幅に応じて調整 */
}