.menu-wrapper {
  position: relative;
  --icon_size: 140px;
  --anch_x: 40px;
  --anch_y: 40px;
  /*--color1: #87CEEB;*/
  --color1: #003366;
  --color2: #FFFFFF;
}

.menu-icon {
  width: var(--icon_size);
  height: var(--icon_size);
  position: fixed;
  right: var(--anch_x);
  bottom: var(--anch_y);
  cursor: pointer;
  z-index: 3;
  display: inline-block;
  background-color: var(--color1);
  flex-direction: column;
  justify-content: center; /* 縦方向中央 */
  align-items: center;     /* 横方向中央 */
  border-radius: calc(var(--icon_size)*0.2);
  margin: 0;
}

.menu-icon span {
  display: block;
  /*height: calc(var(--icon_size)*0.2);*/
  height: 10px;
  margin: calc(var(--icon_size)*0.2) calc(var(--icon_size)*0.2);
  /*margin: 20px 20px;*/
  background: var(--color2);
  /*border-radius: 2px;*/
  transition: 0.2s;
}

/* ハンバーガーがXに変形 */
#menu-toggle:checked + .menu-icon span:nth-child(1) {
  transform: translateY(calc(var(--icon_size)*0.28)) rotate(45deg);
}
#menu-toggle:checked + .menu-icon span:nth-child(2) {
  opacity: 0;
}
#menu-toggle:checked + .menu-icon span:nth-child(3) {
  transform: translateY(calc(var(--icon_size)*-0.28)) rotate(-45deg);
}

.menu01, .menu02, .menu10, .menu20 {
  width: var(--icon_size);
  height: var(--icon_size);
  position: fixed;
  right: var(--anch_x);
  bottom: var(--anch_y);
  cursor: pointer;
  z-index: 2;
  display: flex;
  background-color: var(--color1);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: 0.2s;
  border-radius: calc(var(--icon_size)*0.2);
}

#menu-toggle:checked ~ .menu01 {
  transform: translate(calc(var(--icon_size)*-1.1), 0px);
}
#menu-toggle:checked ~ .menu02 {
  transform: translate(calc(var(--icon_size)*-2.2), 0px);
}
#menu-toggle:checked ~ .menu10 {
  transform: translate(0px, calc(var(--icon_size)*-1.1));
}
#menu-toggle:checked ~ .menu20 {
  transform: translate(0px, calc(var(--icon_size)*-2.2));
}
/*
@media (min-width: 768px) {
  .menu {
    width: 50vw;
    right: -50vw;
  }
}
*/
@media (orientation: landscape) {
  .menu-wrapper {
    position: relative;
    --icon_size: 80px;
    --anch_x: 20px;
    --anch_y: 20px;
  }
  .menu-icon span {
      height : 6.5px;
  }
/*
  .menu {
      justify-content: flex-start;
  }
*/
  .menu a {
      font-size: 4.2rem;      
  }

}