a{
    text-decoration: none;
}

.header{
    height: 56px;
}

.header_bottom-line{
    height: 3px;
    border-top: 1px solid var(--green);
    border-bottom: 1px solid var(--green);
}

.header_item_user{
    min-width: 300px;
    max-width: 420px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header_item_tantosya{
    width: 170px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}