.slider {
    width: 100%;
    height: calc(100vw * 0.42);
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }
  
  .slider__content {
    min-width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transform: translateX(100%);
  }
  
  .slider__content:nth-child(1) {
    animation: sliderAnime 20s ease-in-out infinite;
    z-index: 6;
  }
  
  .slider__content:nth-child(2) {
    animation: sliderAnime2 20s ease-in-out infinite;
    z-index: -1;
  }
  
  .slider__content:nth-child(3) {
    animation: sliderAnime2 20s ease-in-out 5s infinite;
    z-index: -1;
  }
  
  .slider__content:nth-child(4) {
    animation: sliderAnime2 20s ease-in-out 10s infinite;
    z-index: -1;
  }
  
@keyframes sliderAnime {
0% {
z-index: 5;
transform: translateX(0);
}
12.5% {
transform: translateX(0);
}
25% {
transform: translateX(-100%);
}
37.5%{
z-index: -1;
transform: translateX(-100%);
}
50% {
z-index: -1;
transform: translateX(100%);
}
67.5% {
z-index: -1;
transform: translateX(100%);
}
75% {
z-index: -1;
transform: translateX(100%);
}
87.5%{
z-index: 5;
transform: translateX(100%);
}
100% {
z-index: 5;
transform: translateX(0);
}
}

@keyframes sliderAnime2 {
0% {
transform: translateX(100%);
}
12.5% {
transform: translateX(100%);
}
25% {
transform: translateX(0);
}
37.5%{
transform: translateX(0);
z-index: 5;
}
50% {
transform: translateX(-100%);
z-index: 5;
}
67.5% {
z-index: -1;
transform: translateX(-100%);
}
75% {
z-index: -1;
transform: translateX(100%);
}
87.5%{
z-index: -1;
transform: translateX(100%);
}
100% {
z-index: -1;
transform: translateX(100%);
}
}

.slider__img {
max-width: 100%;
min-width: 100%;
}