/*! ============================================================================= */
/*! Fullscreen navigation (primarily used for mobile devices). */
/*! ============================================================================= */
.fullscreen-menu {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100%;
  background: rgba(0, 0, 0, 0.8);
  color: #ffffff;
  padding: 30px;
  display: none;
  opacity: 0;
  z-index: 10000;
}

.fullscreen-menu__close-btn {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 0;
  color: inherit;
  transition: opacity 250ms;
  display: inline-block;
  padding: 23px;
  z-index: 10010;
}

.fullscreen-menu__close-btn svg {
  font-size: 30px;
  stroke-width: 1px;
}

.fullscreen-menu__close-btn:hover {
  color: inherit;
}

.fullscreen-menu__nav-ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.fullscreen-menu__nav-ul a {
  display: inline-block;
  line-height: 1.75;
  font-size: 30px;
  color: inherit;
  text-decoration: none;
  transition: opacity 250ms;
}

.fullscreen-menu__nav-ul .sub-menu {
  list-style: none;
  margin: 0 0 0 2rem;
  padding: 0;
  height: 0;
  overflow: hidden;
  display: none;
}

.fullscreen-menu__nav-ul .sub-menu > li:first-child {
  padding-top: 1rem;
}

.fullscreen-menu__nav-ul .sub-menu > li:last-child {
  padding-bottom: 1rem;
}

.fullscreen-menu__nav-ul .sub-menu a {
  font-size: 20px;
}

.fullscreen-menu__nav-ul li:last-child > .sub-menu {
  padding-bottom: 0;
}