.last-col-section {
    position: relative;
  }
  
  .about-section1 {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color:#FFF;
  }
  .about-section1 .bg-box {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.4s;
  }
  .about-section1 .bg-box .bg {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    -o-object-position: center center;
       object-position: center center;
  }
  .about-section1 .center {
    position: relative;
    height: 100%;
  }
  .about-section1 .center .about-title {
    font-size: 60px;
    line-height: 130%;
    opacity: 0;
    transition: opacity 1.4s;
    transition-delay: 0.3s;
  }
  .about-section1 .center .about-desc {
    font-size: 23px;
    text-align: center;
    color:#1c1c1c;
    line-height: 150%;
    opacity: 0;
    transition: opacity 1.4s;
    transition-delay: 0.5s;
  }
  .about-section1 .center .text-list {
    box-sizing: border-box;
    padding-top: 70px;
    text-align: center;
    font-size: 20px;
    color:#1c1c1c;
    opacity: 0;
    transition: opacity 1.4s;
    transition-delay: 0.8s;
  }
  .about-section1 .center .text-list li {
    line-height: 170%;
    /*text-shadow: 3px 3px 7px rgba(0, 0, 0, 0.15);*/
  }
  .about-section1 .center .text-list li:not(:nth-of-type(1)) {
    margin-top: 40px;
  }
  .about-section1 .center .text-list li a {
    position: relative;
  }
  .about-section1 .center .text-list li a::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: block;
    width: 0;
    margin: auto;
    height: 1px;
    background-color: #FFF;
    transition: width 0.3s;
  }
  .about-section1.active .bg-box {
    opacity: 1;
  }
  .about-section1.active .about-title {
    opacity: 1;
  }
  .about-section1.active .about-desc {
    opacity: 1;
  }
  .about-section1.active .text-list {
    opacity: 1;
  }
  
  @media screen and (min-width: 850.1px) {
    .about-section1 .center .text-list li a:hover::before {
      width: 100%;
    }
  }
  @media screen and (max-width: 1600px) {
    .about-section1 .center .about-title {
      font-size: 55px;
    }
    .about-section1 .center .about-desc {
      font-size: 21px;
    }
    .about-section1 .center .text-list {
      font-size: 19px;
    }
    .about-section1 .center .text-list li:not(:nth-of-type(1)) {
      margin-top: 37px;
    }
  }
  @media screen and (max-width: 1400px) {
    .about-section1 .center .about-title {
      font-size: 50px;
    }
    .about-section1 .center .about-desc {
      font-size: 19px;
    }
    .about-section1 .center .text-list {
      font-size: 18px;
    }
    .about-section1 .center .text-list li:not(:nth-of-type(1)) {
      margin-top: 35px;
    }
  }
  @media screen and (max-width: 1100px) {
    .about-section1 .center .about-title {
      font-size: 45px;
    }
    .about-section1 .center .about-desc {
      font-size: 17px;
    }
    .about-section1 .center .text-list {
      font-size: 17px;
    }
    .about-section1 .center .text-list li:not(:nth-of-type(1)) {
      margin-top: 33px;
    }
  }
  @media screen and (max-width: 850px) {
    .about-section1 .center .about-title {
      font-size: 43px;
    }
  }
  @media screen and (max-width: 600px) {
    .about-section1 .center {
      padding-top: unset;
    }
    .about-section1 .center .about-title {
      font-size: 40px;
    }
    .about-section1 .center .about-desc {
      font-size: 16px;
    }
    .about-section1 .center .text-list {
      font-size: 16px;
    }
    .about-section1 .center .text-list li:not(:nth-of-type(1)) {
      margin-top: 30px;
    }
  }
  @media screen and (max-width: 450px) {
    .about-section1 .center .about-title {
      font-size: 35px;
    }
    .about-section1 .center .about-desc {
      font-size: 15px;
    }
    .about-section1 .center .text-list {
      font-size: 15px;
    }
    .about-section1 .center .text-list li:not(:nth-of-type(1)) {
      margin-top: 27px;
    }
  }
  
  /* 메뉴 컬러 */
  .project-header .center1620 .menu-center  a {
      font-size: 16px;
      color: #bc6c25;
      padding: 10px;
      position: relative;
      display: block;
      text-decoration: none;
      text-transform: uppercase;
      margin: 0 15px;
      transition: margin 0.5s;
  }
  
  .project-header .center1620 .menu-center a:hover:before {
      color: #bc6c25;
      opacity: 1;
      visibility: visible;
      transform: rotate(-390deg);
  }
  
  .project-header .center1620 .menu-center a:after {
      background-color: #bc6c25;
  }
  
  /* 메뉴 Hover */
  .project-header .center1620 .menu-center a:hover {
      color: #bc6c25;
      opacity: .4;
  }