@charset "UTF-8";
.videoArea .videoBox{
   position: absolute;
   width: 100%;
   height: 100%;
   top: 0;
   left: 0;
   z-index: 3;
   color: #fff;
   font-family: "Fira Sans", sans-serif;
   text-align: center;
   padding: 25% 0;
}

.videoArea .videoBox h2{
   font-size: calc(8px + 3.2vw);
   font-weight: 300;
   line-height: 1;
   margin-bottom: 0;
   color: #fff;
}

.videoArea .videoBox small{
   font-size: calc(4px + .7vw);
   font-weight: 300;
}

.mainTitle{
   text-align: right;
   padding-right: 4%;
}

.Txt{
   color: #3e3a39;
}

/* about */
.aboutArea{
   padding: 5% 0;
}

.aboutArea img{
   width: 95%;
}

.aboutArea .aboutBox{
   margin-top: 3%;
}

.aboutArea .aboutBox .Txt{
   margin: 10% 0 5% 0;
}

.aboutArea .aboutBox .Txt h2{
   margin: 8% 0 5% 0;
}

/* hotCase */
.hotCaseArea{
   padding: 0 0 10% 0; 
}

.hotCaseArea:after{
   content: '';
   width: 100%;
   height: 125%;
   background: #a1b3b67b;
   clip-path: polygon(
    0% 30%,    /* 左上 */
    100% 3%,    /* 右上 */
    100% 85%, /* 右下 */
    0% 100%    /* 左下 */
   );
   position: absolute;
   top: -18%;
   left: 0;
   z-index: -1;
}

.hotCaseArea .hotCaseBox{
   margin-top: 10%;
}

.hotCaseArea .hotCaseBox .Txt h2{
   margin: 8% 0 20% 0;
}

.hotCaseArea .hotCaseBox .itemBox{
   margin-top: 8%;
}

.hotCaseArea .hotCaseBox .item{
   display: block;
   margin-bottom: 1rem;
   background: #fff;
   transition: all 0.4s ease;
}

.hotCaseArea .hotCaseBox .item:hover{
   background: #ffffff6e;
   transition: all 0.4s ease;
}

.hotCaseArea .hotCaseBox .item .col-lg-2 {
   width: 20%;
}

.hotCaseArea .hotCaseBox .item .col-lg-10 {
   width: 80%;
}

.hotCaseArea .hotCaseBox .item .caseName{
   color: #3e3a39;
   text-align: center;
   font-weight: 300;
}

.hotCaseArea .hotCaseBox .item:hover .caseName{
   color: #000;
}

.hotCaseArea .hotCaseBox .item .Img .innerImg{
   padding-top: 33%;
}

.hotCaseArea .hotCaseBox .item .Img .innerImg .image::after{
   content: '';
   width: 100%;
   height: 100%;
   position: absolute;
   top: 0;
   left: 0;
   background: transparent;
   transition: all 0.4s ease;
}

.hotCaseArea .hotCaseBox .item:hover .Img .innerImg .image::after{
   background: #0000006e;
   transition: all 0.4s ease;
}

/* works */
.worksArea{
   padding: 0 0 8% 0;
}

.worksArea .worksBox{
   display: flex;
   width: 100%;
   margin-top: 7%;
}

.worksArea .worksBox .imgBox{
   display: flex;
   width: auto;
   gap: 10px;
   margin-right: 2%;
   border: 1px solid #231815;
   border-left: 0;
   padding: 0.7%;
   padding-left: 0;
   z-index: 3;
}

.worksArea .worksBox .imgBox .item::after{
   content: '';
   width: 100%;
   height: 100%;
   position: absolute;
   top: 0;
   left: 0;
   background: transparent;
   transition: all 0.4s ease;
}

.worksArea .worksBox .imgBox .item:hover::after{
   background: #0000006e;
   transition: all 0.4s ease;
}

.worksArea .worksBox .imgBox .item h5{
   position: absolute;
   top: 45%;
   left: 0;
   width: 100%;
   text-align: center;
   color: transparent;
   font-weight: 300;
   z-index: 3;
   transition: all 0.4s ease;
}


.worksArea .worksBox .imgBox .item:hover h5{
   color: #fff;
   transition: all 0.4s ease;
}

.worksArea .worksBox .imgBox .item img{
   flex: 1;
   height: calc(30px + 13vw);
   width: auto;     
   display: block;
}

.worksArea .Txt h2{
   margin: 5% 0 7% 0;
}


/* footer */
footer{
   padding: 5% 0;
}

footer::after{
   height: 107%;
   clip-path: polygon(
   0% 8%,    /* 左上 */
   100% 36%,    /* 右上 */
   100% 100%, /* 右下 */
   0% 100%    /* 左下 */
   );
   top: -7%;
}

footer .footerBox .logo{
   width: 27%;
   margin-bottom: 5%;
}

footer .footerBox a{
   min-width: 30%;
}

footer .footerBox .copyRight{
   margin-top: 10%;
}

@media (max-width:991px) {
   .unitBox{
      padding: 0 5%;
   }

   .videoArea .videoBox{
      padding: 78% 0;
   }

   .videoArea .videoBox h2{
      font-size: calc(20px + 10vw);
   }

   .videoArea .videoBox small{
      font-size: calc(12px + .7vw);
      font-weight: 300;
   }

   .mainTitle{
      padding-right: 0;
      padding-left: calc(1px + 3.2vw);
      text-align: center;
   }

   /* about */
   .aboutArea{
      padding: 15% 0 13% 0;
   }

   .aboutArea img{
      width: 100%;
      margin: 8% 0 2% 0;
   }

   /* hotCase */
   .hotCaseArea{
      padding: 5% 0 10% 0; 
   }

   .hotCaseArea:after{
      content: '';
      width: 100%;
      height: 115%;
      background: #a1b3b67b;
      clip-path: polygon(
      0% 7%,    /* 左上 */
      100% 2%,    /* 右上 */
      100% 90%, /* 右下 */
      0% 95%    /* 左下 */
      );
      position: absolute;
      top: -7%;
      left: 0;
      z-index: -1;
   }

   .hotCaseArea .hotCaseBox .item{
      background: transparent;
      margin-bottom: 15%;
   }

   .hotCaseArea .hotCaseBox .item:hover{
      background: transparent;
   }

   .hotCaseArea .hotCaseBox .item .col-lg-2 {
      width: 40%;
      background: #fff;
      margin-bottom: 12px;
   }

   .hotCaseArea .hotCaseBox .item .col-lg-10 {
      width: 100%;
   }

   .hotCaseArea .hotCaseBox .item .caseName{
      padding: 40% 0;
   }
   
   /* worksArea */
   .worksArea{
      padding: 10% 0 20% 0;
   }

   .worksArea .worksBox{
      display: block;
      margin-right: 0;
   }

   .worksArea .worksBox .imgBox{
      gap: 5px;
      margin-right: 9.5%;
      padding: 2%;
      padding-left: 0;
   }

   .worksArea .worksBox .imgBox .item img{
      flex: 1;
      height: calc(5px + 35vw);
      width: auto;     
      display: block;
   }

   .worksArea .worksBox .imgBox .item:nth-of-type(3),
   .worksArea .worksBox .imgBox .item:nth-of-type(4){
      display: none;
   }

   .worksArea .Txt{
      padding: 10% 8%;
   }

   .worksArea .Txt h2{
      margin: 10% 0 7% 0;
   }

   /* footer */
   footer{
      padding: 5% 0 15% 0;
   }

   footer::after{
      height: 110%;
      clip-path: polygon(
      0% 0%,    /* 左上 */
      100% 6%,    /* 右上 */
      100% 100%, /* 右下 */
      0% 100%    /* 左下 */
      );
      top: -10%;
   }

   footer .footerBox{
      padding: 0 8%;
   }

   footer .footerBox .logo{
      width: 30%;
      margin-bottom: 10%;
   }

   footer .footerBox .copyRight{
      font-size: calc(14px + .9vw);
      margin-top: 17%;
   }
}

@media (max-width:767px) {
   .worksArea .worksBox .imgBox{
      margin-right: 7%;
   }

   footer .footerBox{
      padding: 0 5%;
   }

   footer .footerBox .logo{
      width: 45%;
   }

}