h1 span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@font-face {
  font-family: "OMT";
  src: url("/site/intro/font/OMT.woff2") format("woff2"), url("/site/intro/font/OMT.woff") format("woff");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

body {
  background: url(../images/bg-visual.jpg) no-repeat 50%;
  background-size: cover;
}
body::before {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  opacity: 0.35;
  background: #000;
}

main {
  margin: 0;
}

h1 {
  margin: 0;
  padding: 0;
  font-size: 0;
  line-height: 0;
}
h1 a {
  display: block;
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  z-index: 2;
  width: 155px;
  height: 73px;
  margin: 0 auto;
}
h1 svg {
  width: 100%;
  height: auto;
}

.intro_video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate(-50%, -50%) scale(1.25);
}

.intro_nav {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 8%;
  width: calc(100% - 40px);
  max-width: 1560px;
  margin: 0 auto;
}
.intro_nav ul {
  display: block;
  width: calc(100% + 15px);
  margin: 0 0 0 -15px;
  padding: 0;
  font-size: 0;
}
.intro_nav ul.element5 li {
  width: calc(20% - 15px);
}
.intro_nav ul.element6 li {
  width: calc(16.6666666667% - 15px);
}
.intro_nav li {
  display: inline-block;
  margin: 0 0 0 15px;
  vertical-align: top;
}
.intro_nav li a {
  display: flex;
  width: 100%;
  padding: 25px 10%;
  justify-content: space-between;
  align-items: center;
  border-radius: 10px; /*background:rgba(61, 64, 73, .8);*/
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 91px 105px 39px 0 rgba(0, 0, 0, 0), 58px 68px 36px 0 rgba(0, 0, 0, 0.01), 33px 38px 30px 0 rgba(0, 0, 0, 0.05), 15px 17px 22px 0 rgba(215, 212, 212, 0.09), 4px 4px 12px 0 rgba(0, 0, 0, 0.1);
  color: #fff;
  font-family: OMT;
  font-size: 17px;
  line-height: 150%;
  text-decoration: none;
  transition: all 0.3s ease;
}
.intro_nav li a::after {
  display: block;
  width: 12px;
  height: 12px;
  background: url(../images/icon-arrow.svg) no-repeat 0 0;
  background-size: 100% auto;
}

@media all and (min-width: 1001px) {
  .intro_nav li a:hover {
    background: rgb(239, 91, 46);
  }
}
@media all and (max-width: 1230px) {
  .intro_video {
    transform: translate(-50%, -50%) scale(1.37);
  }
  .intro_nav ul.element5 li, .intro_nav ul.element6 li {
    width: calc(33.3333333333% - 15px);
  }
  .intro_nav li {
    margin: 15px 0 0 15px;
  }
  .intro_nav li a {
    font-size: 15px;
  }
}
@media all and (max-width: 660px) {
  body::before {
    opacity: 0.75;
  }
  h1 a {
    top: 4%;
  }
  .intro_nav li a{padding:20px 10%;}
}
@media all and (max-width: 400px) {
  .intro_nav {
    position: static;
  }
  .intro_nav ul {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 340px;
    margin: 48% auto 0;
  }
  .intro_nav ul.element5 li, .intro_nav ul.element6 li {
    width: 100%;
  }
  .intro_nav li {
    display: block;
    margin: 15px 0 0;
  }
  .intro_nav li:first-child {
    margin: 0;
  }
}