.menu {
  background-color: rgb(var(--gray-01));
  border-radius: var(--radius);
  position: fixed;
  top: 1em;
  right: 1em;
  width: calc(100vw - 2em);
  max-height: calc(80vh - 2em);
  overflow-y: auto;
  transform: translateY(calc(-100% - 2em));
  transition: transform var(--animation-speed-fast) ease-in-out;
  z-index: var(--z-index-menu);
}

.menu:focus {
  outline: none;
}

.is-menu-open .menu {
  transform: translateY(0);
}

.menu-area {
  display: flex;
  flex-direction: column;
}

.menu-nav {
  display: flex;
  flex-direction: column-reverse;
}

.menu-nav-area {
  display: flex;
  flex-direction: column;
}

.menu-nav-area-grow {
  flex-grow: 1;
}

.menu-nav:not(:last-child) {
  margin: 0;
}

.menu-content {
  padding: 2em;
}

.menu-content-area {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 2em;
}

.menu-item {
  padding-bottom: 2em;
  border-bottom: var(--line-width) solid rgb(var(--gray-04));
}

.menu-item:last-child,
.menu-item:nth-last-child(2):nth-child(odd) {
  padding-bottom: 0;
  border-bottom: 0;
}

.menu-close {
  background-color: transparent;
  margin: 0;
  padding-top: 0.75em;
  padding-bottom: 0.75em;
  border-radius: 0 var(--radius) 0 0;
}

.menu-nav-button {
  background-color: transparent;
  margin: 0;
  padding-top: 1em;
  padding-bottom: 1em;
  border-radius: 0;
  flex-grow: 1;
}

.menu-nav-button:first-child {
  border-radius: var(--radius) 0 0 0;
}

.menu-nav-button [class^="icon-"],
.menu-nav-button [class*=" icon-"] {
  line-height: 1;
  padding-top: 1.5em;
  padding-bottom: 1.5em;
}

@media (min-width: 550px) {
  .menu {
    overflow-y: inherit;
    max-height: inherit;
  }

  .menu-content {
    padding: 2em;
    max-height: 70vh;
    overflow-y: scroll;
  }

  .menu-nav {
    flex-direction: row;
  }

  .menu-nav-area {
    flex-direction: row;
  }

  .menu-content-area {
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: 10vh;
  }

  .menu-nav-button {
    flex-basis: 0;
  }
}

@media (min-width: 900px) {
  .menu {
    width: calc(60vw - 2em);
    max-height: calc(100vh - 2em);
    max-width: 40em;
  }
}

@media (min-width: 1100px) {
  .menu {
    width: calc(50vw - 2em);
    max-width: 50em;
  }
}