/* Ensure the green bar spans the entire width */
h1 {
    width: 100vw; /* Full viewport width */
    background: #159E86;
    text-align: center;
    color: #FFF;
    padding: 8px 5px 6px 5px;
    line-height: 1.2;
    border: 0;
    outline: 0;
    font-weight: inherit;
    font-style: inherit;
    font-family: inherit;
    font-size: 100%;
    /* vertical-align: baseline; */

    display: block;
    margin-block-start: 0.67em;
    margin-block-end: 0.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

/* Center the content vertically */
body {
    display: flex;
    flex-direction: column;
    justify-content: center; /* Center vertically */
    align-items: center; /* Center horizontally */
    min-height: 100vh;
    padding: 0; /* Reset padding */
    background: white;
}

.btn_2cols {
    display: flex;
    justify-content: center;
    align-items: center;
}

.warning_message {
    display: flex;
    justify-content: center;
    align-items: center;
    color: red;
    font-size: 80%;
}

.whole_container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; /* Viewportの高さ全体を使用 */
}
.whole_content {
    width: 100vw;
}
.login_error {
    color: #e35f5f;
    text-align: center;
    padding: 0;
}

/* Responsive design for demo */
@media screen and (max-width: 1024px) {
    body {
        flex-direction: column;
        padding: 0;
        width: 100%;
    }
    h1 {
        margin-top: 20px !important;
        width: 100% !important; /* Full viewport width */
        box-sizing: border-box; /* Include padding in the width */
    }
    .btn_2cols {
        flex-direction: column;
    }
}