#mainv {
  position: relative;
  min-width: 1000px;
  background-size: cover !important;
  width: 100%;
}

#mainv .mainVideoBox {
  display: block;
  width: 100%;
  height: 100%;
  z-index: 1;
  /* filter: grayscale(100%); */
}

#mainv .mainVideoBox video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#mainv .videoBox {
  width: 100%;
  height: 100%;
  background-color: #333;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  height: 100%;
  clip-path: polygon(55% 0, 100% 0%, 100% 100%, 55% 100%, 75% 50%);
  mix-blend-mode: hue;
  /* clip-path: polygon(55% 0, 75% 50%, 55% 100%, 0 100%, 0 0); */
  /* filter: grayscale(100%); */
}

#mainv .videoBox video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#mainv .inner {
  max-width: 1200px;
  margin: 0 auto;
  display: table;
  padding-left: 15px;
  padding-right: 15px;
  min-height: 150px;
  height: 150px;
}

#mainv .title {
  position: relative;
  z-index: 2;
  display: table-cell;
  vertical-align: middle
}

#mainv:before {
  position: absolute;
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: url("../../img/dot2.png") repeat 0 0;
  z-index: 1
}

#mainv .scroll {
  position: absolute;
  right: 12%;
  bottom: 0;
  height: 300px;
  text-align: center;
  z-index: 2;

  & .scroll_txt {
    position: relative;
    font-family: var(--font-en);
    writing-mode: vertical-rl;
    color: #fff;

    &::before {
      content: "";
      position: absolute;
      width: 0.1px;
      height: 210px;
      top: 90px;
      left: 50%;
      background: #fff;
      cursor: pointer;
      transform: translateX(-50%);
    }

    &::after {
      position: absolute;
      content: "";
      width: 8px;
      height: 8px;
      bottom: -30px;
      left: 50%;
      background: #fff;
      border-radius: 50%;
      cursor: pointer;
      animation: scroll 3s ease-in-out infinite;
      transform: translate(-50%, 0);
    }
  }
}

@media screen and (max-width: 1280px) {
  #mainv .scroll {
    height: 300px;
  }
}

@media screen and (max-width: 890px) {
  #mainv .scroll {
    height: 215px;

    & .scroll_txt {

      &::before {
        height: 130px;
        top: 85px;
      }

      &::after {
        bottom: -30px;
      }
    }
  }
}

@keyframes scroll {
  0% {
    transform: translate(-50%, 0);
    opacity: 1;
  }

  70% {
    opacity: 0.3;
  }

  100% {
    transform: translate(-50%, 140px);
    opacity: 0;
  }
}

#sub-dirconents {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
  padding-top: 60px;
  padding-bottom: 60px;
  /* *zoom: 1 */
}

#sub-dirconents:after {
  content: "";
  display: table;
  clear: both
}

#sub-dirconents #main-content {
  width: calc(100% - 333px);
  float: left;
  justify-content: center;
}

#sub-dirconents #main-content2 {
  width: 1200px
}

#sub-dirconents .leading-Box {
  margin-bottom: 60px
}

#sub-dirconents .img-list .img-box {
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

#sub-dirconents .img-list .img-box img {
  width: calc(100% / 4 - 40px);
}

#sub-dirconents .leading-Box .leading-text {
  position: relative;
  font-size: 2.4rem;
  font-weight: bold;
  margin-bottom: 30px;
  display: inline-block;
}

#sub-dirconents .leading-Box .leading-text::first-letter {
  color: var(--color-main);
}

#sub-dirconents .leading-Box .leading-text::before {
  background: linear-gradient(90deg, var(--color-main), transparent);
  bottom: 0px;
  content: "";
  display: block;
  height: 4px;
  left: 0;
  position: absolute;
  width: 100%;
}

#sub-dirconents #sidebar {
  width: 260px;
  float: left;
  background: #fff;
  border: 1px solid var(--border);
  padding: 15px;
  margin-right: 40px;
}

#sub-dirconents #sidebar .sidebar-list-heading .en {
  font-weight: bold;
  color: var(--color-main);
  display: block
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list li {
  padding: 8px 0 6px;
  border-bottom: 1px solid #e2e2e2;
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list li:last-child a {
  border-bottom: none;
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list a {
  -moz-transition: all .3s ease;
  -o-transition: all .3s ease;
  -webkit-transition: all .3s ease;
  transition: all .3s ease;
  display: block;
  color: #333;
  font-size: 1.8rem;
  font-family: var(--font-en);
  padding: 10px 0;
  position: relative;
  padding-left: 15px;
  padding-right: 15px
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list a.active,
#sub-dirconents #sidebar .sidebar-list-contents .nav-list a:hover {
  color: var(--color-main);
  text-decoration: none
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list a.active:before,
#sub-dirconents #sidebar .sidebar-list-contents .nav-list a:hover:before {
  border-color: var(--color-main)
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list a.active {
  font-weight: bold;
  border-left: 4px solid var(--color-main);
}

#sub-dirconents #sidebar .sidebar-list-contents .nav-list a:before {
  position: absolute;
  content: "";
  display: inline-block;
  right: 15px;
  top: 50%;
  margin-top: -3px;
  margin-left: 0;
  width: 7px;
  height: 7px;
  border-top: 1px solid #e2e2e2;
  border-right: 1px solid #e2e2e2;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  display: none;
}

#sub-dirconents #sidebar .side-banner {
  margin-top: 40px
}

#sub-dirconents #sidebar .side-banner span {
  display: block;
  font-size: 1rem;
  line-height: 1.4;
  margin-top: 5px
}

#sub-dirconents #sidebar .side-banner .banner-pat1 {
  display: block;
  color: #333
}

#sub-dirconents #sidebar .side-banner .banner-pat1:hover {
  opacity: 0.7
}

#sub-dirconents #sidebar .side-banner .banner-pat1 .img {
  box-sizing: border-box;
  border: 1px solid #e2e2e2;
  padding: 16px 0;
  background: #fff;
  text-align: center
}

#sub-dirconents #sidebar .side-banner .banner-pat1 img {
  vertical-align: bottom
}

@media screen and (max-width: 890px) {
  #mainv {
    min-width: auto;
    padding-top: 35.67708%;
    background-size: auto;
    width: 100%;
    background-size: cover;
    box-sizing: border-box;
    position: relative
  }

  #mainv .inner {
    width: 90%;
    display: block;
    min-height: auto;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateY(-50%) translateX(-50%);
    z-index: 2;
    height: auto;
  }

  #mainv .title {
    display: block
  }

  #sub-dirconents {
    width: auto
  }

  #sub-dirconents #main-content {
    float: none;
    width: auto
  }

  #sub-dirconents #main-content2 {
    width: auto
  }

  #sub-dirconents .leading-Box .leading-text {
    font-size: 1.8rem
  }

  #sub-dirconents #sidebar {
    float: none;
    width: auto;
    font-weight: bold;
    border: 2px solid #e2e2e2;
    margin: 0;
    margin-top: 40px;
  }



  #sub-dirconents #sidebar .sidebar-list-contents .nav-list a {
    padding: 0;
    padding-left: 15px
  }

  #sub-dirconents #sidebar .sidebar-list-contents .nav-list a:before {
    right: 15px
  }

  #sub-dirconents #sidebar .sidebar-list-contents .nav-list li:last-child a {
    border-bottom: none
  }

  #sub-dirconents #sidebar .side-banner {
    display: none
  }

  #sub-dirconents .img-list .img-box {
    padding: 0;
    gap: 20px;
  }

  #sub-dirconents .img-list .img-box img {
    width: calc(100% / 2 - 20px);
  }
}