.navbox {
  display: none;
}
.navbox.is-show {
  display: block;
}
.navbox.open {
  display: block !important;
}

.wrapper {
  width: 100v;
  position: relative;
}
.wrapper.on {
  height: 100vh;
}

.overlay {
  content: "";
  display: block;
  width: 0;
  height: 0;
  background-color: rgba(0, 0, 0, 0.5);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 50;
  opacity: 0;
  -webkit-transition: opacity 0.5s;
  transition: opacity 0.5s;
}

.overlay.open {
  width: 100%;
  height: 100%;
  opacity: 1;
  position: fixed;
}

.wrapp_bace {
  padding: 0;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  height: 100%;
  min-height: 100vh;
}
.wrapp_bace.open {
  height: 0;
}

.menu-trigger {
  display: inline-block;
  width: 50px;
  height: 50px;
  vertical-align: middle;
  cursor: pointer;
  position: relative;
  z-index: 50;
}
.menu-trigger span {
  display: inline-block;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  position: absolute;
  left: 13px;
  width: 25px;
  height: 2px;
  background-color: #3e3a39;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.menu-trigger span:nth-of-type(1) {
  top: 16px;
}
.menu-trigger span:nth-of-type(2) {
  top: 24px;
}
.menu-trigger span:nth-of-type(3) {
  top: 32px;
}
.menu-trigger.active span:nth-of-type(1) {
  -webkit-transform: translateY(8px) rotate(-45deg);
          transform: translateY(8px) rotate(-45deg);
}
.menu-trigger.active span:nth-of-type(2) {
  opacity: 0;
}
.menu-trigger.active span:nth-of-type(3) {
  -webkit-transform: translateY(-9px) rotate(45deg);
          transform: translateY(-9px) rotate(45deg);
}

.pc .navbox {
  width: 100%;
  height: 500px;
  position: absolute;
  top: 80px;
  left: 0;
  z-index: 40;
  -webkit-transform: translateY(-600px);
          transform: translateY(-600px);
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.pc .navbox.open {
  -webkit-transform: translateY(0);
          transform: translateY(0);
  padding-right: 20px;
}

@media screen and (max-width: 842px) {
  .menu-trigger {
    width: 30px;
    height: 30px;
  }
  .menu-trigger span {
    left: 2px;
  }
  .menu-trigger span:nth-of-type(1) {
    top: 6px;
  }
  .menu-trigger span:nth-of-type(2) {
    top: 14px;
  }
  .menu-trigger span:nth-of-type(3) {
    top: 22px;
  }
  .menu-trigger.active span:nth-of-type(3) {
    top: 26px;
  }
  .sp .menu-trigger.active span:nth-of-type(3) {
    -webkit-transform: translateY(-12px) rotate(45deg);
            transform: translateY(-12px) rotate(45deg);
  }
  .sp .navbox {
    display: block;
    width: 60vw;
    position: absolute;
    top: 90px;
    right: 0;
    z-index: 40;
    -webkit-transform: translate(100vw);
            transform: translate(100vw);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
  }
  .sp .navbox.open {
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
  }
}