@media (max-width: 768px) {

  body.mobile_menu_open {
    overflow: hidden;
  }

  .header_menu_toggle span,
  .header_menu_toggle::before,
  .header_menu_toggle::after {
    transition: top .32s ease, transform .32s ease, opacity .2s ease;
    transform-origin: center;
  }

  .header_pc_box.menu_open .header_menu_toggle::before {
    top: 6.1538vw;
    transform: rotate(45deg);
  }

  .header_pc_box.menu_open .header_menu_toggle span {
    opacity: 0;
    transform: scaleX(0);
  }

  .header_pc_box.menu_open .header_menu_toggle::after {
    top: 6.1538vw;
    transform: rotate(-45deg);
  }

  .header_mobile_menu {
    position: fixed;
    z-index: 40;
    top: 18.9743vw;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: hidden;
    pointer-events: none;
  }

  .header_mobile_menu .header_mobile_menu_list {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 5.8974vw 7.6923vw 10.2564vw;
    border: 0;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 3.8056vw;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: rgba(0, 0, 0, .7);
    -webkit-backdrop-filter: blur(3.5769vw);
    backdrop-filter: blur(3.5769vw);
    transform: translateY(-100%);
    transition: transform .42s cubic-bezier(.4, 0, .2, 1);
    will-change: transform;
  }

  .header_mobile_menu .header_mobile_menu_list::-webkit-scrollbar {
    display: none;
  }

  .header_pc_box.menu_open .header_mobile_menu {
    pointer-events: auto;
  }

  .header_pc_box.menu_open .header_mobile_menu .header_mobile_menu_list {
    transform: translateY(0);
  }

  .header_mobile_menu .header_menu_item {
    width: auto;
    height: auto;
    display: block;
  }

  .header_mobile_menu .header_menu_item > a {
    width: auto;
    height: auto;
    min-height: 0;
    padding: 0;
    border: 0;
    display: inline-flex;
    align-items: center;
    gap: 2.0513vw;
    background: none;
    color: #AFAFAF;
    -webkit-text-fill-color: currentColor;
    font-size: 7.6115vw;
    font-weight: 600;
    line-height: 10.6562vw;
    letter-spacing: -.0913vw;
    white-space: nowrap;
    transition: color .25s ease;
  }

  .header_mobile_menu .header_menu_item.submenu_open > a {
    color: #C3C3C3;
  }

  .header_mobile_menu .header_menu_item > a .header_menu_arrow,
  .header_mobile_menu .header_submenu_item > a .header_submenu_arrow {
    flex: 0 0 3.8462vw;
    width: 3.8462vw;
    height: 3.8462vw;
    margin-left: 0;
    border-right-width: .5128vw;
    border-bottom-width: .5128vw;
    border-color: currentColor;
    transform: rotate(45deg) translateY(-.5128vw);
    transition: transform .3s ease;
  }

  .header_mobile_menu .header_menu_item.submenu_open > a .header_menu_arrow,
  .header_mobile_menu .header_submenu_item.submenu_open > a .header_submenu_arrow {
    transform: rotate(225deg) translate(-.5128vw, -.5128vw);
  }

  .header_mobile_menu .header_menu_item > .header_submenu,
  .header_mobile_menu .header_submenu_item > .header_subsubmenu {
    position: static;
    z-index: auto;
    min-width: 0;
    margin: 0;
    border: 0;
    border-radius: 0;
    background: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    overflow: hidden;
    transition: max-height .38s ease, opacity .25s ease;
  }

  .header_mobile_menu .header_menu_item > .header_submenu {
    width: 66.1538vw;
    max-height: 0;
    padding: 0 0 0 7.1795vw;
    opacity: 0;
  }

  .header_mobile_menu .header_menu_item.submenu_open > .header_submenu {
    max-height: 180vw;
    opacity: 1;
  }

  .header_mobile_menu .header_submenu_item {
    position: static;
    width: 58.9744vw;
    height: auto;
  }

  .header_mobile_menu .header_submenu_item > a {
    width: 58.9744vw;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.0513vw;
    background: none;
    color: #C3C3C3;
    font-size: 6.0797vw;
    font-weight: 600;
    line-height: 8.5118vw;
    letter-spacing: -.0729vw;
    white-space: nowrap;
    transition: color .25s ease;
  }

  .header_mobile_menu .header_submenu_item.submenu_open > a {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-thickness: .5128vw;
    text-underline-offset: .5128vw;
  }

  .header_mobile_menu .header_submenu_item > .header_subsubmenu {
    width: 60.2564vw;
    max-height: 0;
    padding: 0 0 0 8.9744vw;
    opacity: 0;
  }

  .header_mobile_menu .header_submenu_item.submenu_open > .header_subsubmenu {
    max-height: 60vw;
    opacity: 1;
  }

  .header_mobile_menu .header_subsubmenu_item {
    width: auto;
  }

  .header_mobile_menu .header_subsubmenu_item > a {
    width: auto;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    display: flex;
    justify-content: flex-start;
    color: #fff;
    font-size: 5.1282vw;
    font-weight: 700;
    line-height: 7.1795vw;
    letter-spacing: -.0615vw;
    white-space: nowrap;
  }

  .header_mobile_menu .header_submenu_item > a:hover,
  .header_mobile_menu .header_submenu_item > a:focus-visible,
  .header_mobile_menu .header_subsubmenu_item > a:hover,
  .header_mobile_menu .header_subsubmenu_item > a:focus-visible {
    border-color: transparent;
    background: none;
  }
}