.about-sect .txt-box .arow .atit{
  max-width: 550px;
  flex: 0 0 auto;
  margin-right: auto;
  color: #525252;
  font-size: 20px;
  letter-spacing: 1px;
  margin-top: 50px;
  height: auto;
  display: -webkit-box;
  -webkit-line-clamp: inherit;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.about-sect .txt-box .arow .atit .t-1 {
  margin: 0;
  margin-bottom: 5px;
  font-size: 40px;
  color: #19669e;
  letter-spacing: 1px;
  line-height: 1.1;
}
.about-sect .txt-box .arow .aitem {
    max-width: 370px;
    flex: 0 0 auto;
    margin-left: auto;
    margin-top: 450px;
    color: #727272;
    font-size: 16px;
    line-height: 1.8;
    height: auto;
    display: -webkit-box;
    -webkit-line-clamp: inherit;
    -webkit-box-orient: vertical;
    overflow: hidden;
    z-index: 5;
}


@media screen and (max-width: 1280px) {
  .about-sect .txt-box .arow .aitem {
    max-width: 275px;
  }
}

@media screen and (max-width: 1000px) {
    .about-sect .txt-box .arow .atit .t-1 {
        font-size: 32px;
    }
    .about-sect .txt-box .arow .atit {
        margin: 0;
        margin-bottom: 15px;
        text-align: center;
        height: auto;
        display: block;
        -webkit-line-clamp: unset;
        -webkit-box-orient: unset;
        overflow: unset;
        letter-spacing: 1px;
    }
    .about-sect .txt-box .arow .aitem {
        max-width: unset;
        margin: 0;
        height: auto;
        display: block;
        -webkit-line-clamp: unset;
        -webkit-box-orient: unset;
        overflow: unset;
    }
    .s_layout {
      font-size: 14px;
    }
}