.header {
  position: fixed;
  z-index: 999;
  width: 100%;
  height: 70px;
}
.header_nav {
  position: relative;
  width: 100%;
  max-width: 1707px;
  height: 70px;
  margin: 0 auto;
  background-color: #2f2f2f;
}
.header_nav_logo {
  opacity: 0.8;
  position: absolute;
  top: 50%;
  left: 20px;
  z-index: 999;
  transform: translateY(-50%);
  height: 35px;
  transition: 0.3s ease;
}
.header_nav_logo:hover {
  opacity: 1;
  cursor: pointer;
}
.header_nav .header_nav_menus {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 100%;
  color: white;
  font-size: 15px;
}
.header_nav .header_nav_menus > li {
  height: 100%;
}
.header_nav .header_nav_menus > li > p {
  opacity: 0.8;
  position: relative;
  top: 50%;
  z-index: 3;
  transform: translateY(-50%);
  transition: 0.3s ease;
}
.header_nav .header_nav_menus > li > p:hover {
  cursor: pointer;
}
.header_nav .header_nav_menus > li div {
  display: flex;
  flex-direction: column;
  position: absolute;
  left: -30vw;
  z-index: 2;
  transform: translateX(15%);
  width: 100vw;
  padding: 50px 0 50px 15vw;
  background-color: #121212;
  transition: 0.3s ease;
}
.header_nav .header_nav_menus > li div#overview {
  top: -250px;
}
.header_nav .header_nav_menus > li div#feature {
  top: -170px;
}
.header_nav .header_nav_menus > li div#project {
  top: -330px;
}
.header_nav .header_nav_menus > li div#participant {
  top: -250px;
}
.header_nav .header_nav_menus > li div#partner {
  top: -290px;
}
.header_nav .header_nav_menus > li div a {
  opacity: 0.8;
  position: relative;
  width: 350px;
  color: white;
  font-size: 20px;
  transition: 0.3s ease;
}
.header_nav .header_nav_menus > li div a:hover {
  opacity: 1;
  cursor: pointer;
}
.header_nav .header_nav_menus > li div a:hover::before, .header_nav .header_nav_menus > li div a:hover::after {
  visibility: visible;
}
.header_nav .header_nav_menus > li div a::before, .header_nav .header_nav_menus > li div a::after {
  visibility: hidden;
  position: absolute;
  right: 0;
  width: 11px;
  height: 1px;
  background-color: white;
  content: "";
}
.header_nav .header_nav_menus > li div a::before {
  top: 11px;
  transform: rotate(-45deg);
}
.header_nav .header_nav_menus > li div a::after {
  bottom: 11px;
  transform: rotate(45deg);
}
.header_nav .header_nav_menus > li div a:not(:last-of-type) {
  margin-bottom: 10px;
}
.header_nav_hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0.8;
  position: absolute;
  top: 50%;
  right: 20px;
  z-index: 999;
  transform: translateY(-50%);
  width: 20px;
  height: 10px;
  transition: 0.3s ease;
}
.header_nav_hamburger:hover {
  opacity: 1;
  cursor: pointer;
}
.header_nav_hamburger span {
  position: relative;
  z-index: 999;
  width: 100%;
  height: 1px;
  background-color: white;
}
.header_nav_hamburger.cross span:first-of-type {
  top: 4.5px;
  transform: rotate(45deg);
}
.header_nav_hamburger.cross span:last-of-type {
  bottom: 4.5px;
  transform: rotate(-45deg);
}
.header_nav_hamburger_menu {
  display: none;
  position: relative;
  top: -70px;
  left: 0;
  z-index: 4;
  width: 100%;
  height: 100vh;
  padding: 100px 0 0 50px;
  background-color: #111111;
}
.header_nav_hamburger_menu.open {
  display: block;
}
@media (min-width: 1250px) {
  .header_nav_hamburger_menu.open {
    display: none;
  }
}
.header_nav_hamburger_menu > li {
  opacity: 0.8;
  width: -moz-fit-content;
  width: fit-content;
  color: white;
  font-size: 22px;
}
.header_nav_hamburger_menu > li:not(:last-of-type) {
  margin-bottom: 20px;
}
.header_nav_hamburger_menu > li > p {
  opacity: 0.8;
  position: relative;
  z-index: 3;
  width: 400px;
  transition: 0.3s ease;
}
.header_nav_hamburger_menu > li > p:hover {
  cursor: pointer;
}
.header_nav_hamburger_menu > li > p:hover::before, .header_nav_hamburger_menu > li > p:hover::after {
  visibility: visible;
}
.header_nav_hamburger_menu > li > p::before, .header_nav_hamburger_menu > li > p::after {
  position: absolute;
  right: 0;
  width: 11px;
  height: 1px;
  background-color: white;
  content: "";
}
.header_nav_hamburger_menu > li > p::before {
  top: 12px;
  transform: rotate(-45deg);
}
.header_nav_hamburger_menu > li > p::after {
  bottom: 12px;
  transform: rotate(45deg);
}
.header_nav_hamburger_menu > li > p.dontOpen:hover::before, .header_nav_hamburger_menu > li > p.dontOpen:hover::after {
  visibility: visible;
}
.header_nav_hamburger_menu > li > p.dontOpen::before, .header_nav_hamburger_menu > li > p.dontOpen::after {
  visibility: hidden;
}
.header_nav_hamburger_menu > li > p.open::before {
  top: 50%;
  right: 4px;
  transform: translateY(-50%) rotate(45deg);
}
.header_nav_hamburger_menu > li > p.open::after {
  right: -3.5px;
  bottom: 48%;
  transform: translateY(-48%) rotate(-45deg);
}
.header_nav_hamburger_menu > li > div {
  display: none;
  flex-direction: column;
  margin: 10px 0 40px;
  transition: 0.3 ease;
}
.header_nav_hamburger_menu > li > div > a {
  opacity: 0.8;
  position: relative;
  width: 300px;
  color: white;
  font-size: 17px;
  transition: 0.3s ease;
}
.header_nav_hamburger_menu > li > div > a:hover {
  opacity: 1;
  cursor: pointer;
}
.header_nav_hamburger_menu > li > div > a:hover::before, .header_nav_hamburger_menu > li > div > a:hover::after {
  visibility: visible;
}
.header_nav_hamburger_menu > li > div > a::before, .header_nav_hamburger_menu > li > div > a::after {
  visibility: hidden;
  position: absolute;
  right: 0;
  width: 8px;
  height: 1px;
  background-color: white;
  content: "";
}
.header_nav_hamburger_menu > li > div > a::before {
  top: 9.5px;
  transform: rotate(-45deg);
}
.header_nav_hamburger_menu > li > div > a::after {
  bottom: 9.5px;
  transform: rotate(45deg);
}
.header_nav_hamburger_menu > li > div > a:not(:last-of-type) {
  margin-bottom: 5px;
}

.stopScroll {
  overflow: hidden;
}/*# sourceMappingURL=header.css.map */