@media (max-width: 768px) {
  .flex-box {
    position: relative;
    margin-top: 180px;
    flex-wrap: wrap;
    margin-top: 80px; }

  .flex-box.mt-0 {
    margin-top: 0; }

    /*
.flex-box::after {
    content: '';
    display: block;
    width: 6px;
    height: 500px;
    position: absolute;
    background: #f39800;
    top: 120px;
    left: 30px;
}  
.txt-box .flex-box::after {
    display: none;
}*/
  .txt-box {
    transform: translate(0px);
    width: 100%; }

  .btn {
    white-space: normal; }

  .dl-wrap {
    margin-bottom: 100px; }

  .documents-wrap .flex-box {
    margin-top: 20px; }

  .dl-wrap .dl-container {
    width: 100%; }

  .documents-wrap .documents-container {
    width: 100%;
    padding: 10px 0px; } }
@media (max-width: 500px) {
  .flex-box {
    margin-top: 50px; }

  .txt-box {
    padding: 20px; }

  .txt-box .common-ttl-1 {
    font-size: 1.5em; } }