#slider {
    width: 100%;
    height: 100vh;/*スライダー全体の縦幅を画面の高さいっぱい（100vh）にする*/
    
}

.slider-text{
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    bottom: 0;
    height: 480px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    width: 100%;
    font-size: x-large;
    writing-mode: vertical-rl;
    text-orientation: upright;
    color: white;
    line-height: 50px;
    font-weight: lighter;
    font-family: "Zen Old Mincho", serif;
}

.vegasoverlay{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0); /* ← 背景色・透過率を自由に */
  z-index: 1;
  pointer-events: none; /* 背景をクリックできるようにする場合 */
    
}

@media screen and (max-width: 767.98px) {
.slider-text img {
    width: 30%;
}
}