#neckBarBox {
  z-index: 9;
  width: 100%;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #202020;
  opacity: 1;
  transition: all 1 ease-in-out;
}

#neckBarBox.show {
  top: 100px;
  position: fixed;
  box-shadow: 0px 4px 6px 0px rgba(0, 0, 0, 0.3);
}

#neckMenuBox {
  position: relative;
  height: 80px;
  width: 100%;
  max-width: 1240px;
  display: flex;
  color: #fff;
  font-size: 16px;
  line-height: 30px;
  align-items: center;
  justify-content: space-evenly;
  box-sizing: border-box;
  border-bottom: 1px solid rgba(244, 191, 30, 0.2);
}

#neckMenuBox > .slider {
  position: absolute;
  bottom: 0;
  width: 30px;
  background-color: #f4bf1e;
  border-radius: 2px;
  transition: all 0.3s ease;
}

#neckMenuBox > span {
  flex: 1;
  text-align: center;
  line-height: 80px;
  height: 80px;
  width: 25%;
  transition: all 0.3s ease;
}

#neckMenuBox > span:hover {
  font-weight: bold;
}

#neckMenuBox > .selectSpan {
  color: #f4bf1e;
  font-weight: bold;
}

.neckSelectNo1,
#neckMenuBox > span:nth-child(1):hover ~ .slider {
  height: 4px;
  left: 11.1%;
}

.neckSelectNo2,
#neckMenuBox > span:nth-child(2):hover ~ .slider {
  height: 4px;
  left: calc(25% + 11.1%);
}

.neckSelectNo3,
#neckMenuBox > span:nth-child(3):hover ~ .slider {
  height: 4px;
  left: calc(50% + 11.1%);
}

.neckSelectNo4,
#neckMenuBox > span:nth-child(4):hover ~ .slider {
  height: 4px;
  left: calc(75% + 11.2%);
}