body {

    font-family: Arial, sans-serif;

    background-color: #f8f8f8;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    height: 100vh;

    margin: 0;

}



header {

    text-align: center;

    margin-bottom: 20px;

}



.header-container {

    display: flex;

    align-items: center;

    justify-content: center;

}



header img {

    width: 400px;

    height: auto;

    margin-right: 20px;

}



header h1 {

    margin: 0;

    font-size: 24px;

    color: #333;

    text-align: left;

}



main {

    background-color: #fff;

    padding: 20px;

    border-radius: 10px;

    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);

    width: 100%;

    max-width: 400px;

    text-align: center;

}



.input-group {

    margin-bottom: 15px;

}



label {

    display: block;

    margin-bottom: 5px;

    font-weight: bold;

}



input {

    width: 100%;

    padding: 10px;

    border: 1px solid #ccc;

    border-radius: 5px;

    box-sizing: border-box;

}



button {

    background-color: #a30000;

    color: #fff;

    border: none;

    padding: 10px 20px;

    border-radius: 5px;

    cursor: pointer;

    font-size: 16px;

}



button:hover {

    background-color: #8b0000;

}



.note {

    margin-top: 15px;

    font-size: 14px;

    color: #a30000;

}



@media (max-width: 480px) {

    main {

        padding: 15px;

        width: 90%;

    }



    header h1 {

        font-size: 20px;

    }



    .header-container {

        flex-direction: column;

    }



    header img {

        width: 100%;

        margin-bottom: 10px;

        margin-right: 0;

    }

}