.sign-area {
    margin: 5rem auto;
    width: 350px;
}

h4 {
    font-weight: bold;
    padding: 0 0.5em;
}

    h4 img {
        width: 1.5em;
    }

hr {
    border: 1px solid #262626;
}

.sign-area table {
    width: 100%;
    font-weight: bold;
}
    .sign-area table tr td{
        padding:0.5em 0;
    }
    .sign-area table tr td:first-child {
        width: 25%;
    }

    .sign-area table tr td input{
        width:90%;
        height:2.25rem;
    }

.sign-danger {
    font-weight: bold;
    background-color: rgb(206,188,131);
}

.text-center tr td label{
    color:dimgray;
    font-size:0.8rem;
}

.btn-send {
    background-color: #7F7F7F;
    padding: 0.25em 6em;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .loading-overlay.d-none {
        display: none !important;
    }

.loading-box {
    min-width: 240px;
    padding: 24px 32px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}