:root{
  --border-radius-0-5: .5rem;
  --box-min-size: 200px;
  --size: clamp(10rem, 1rem + 40vmin, 30rem);
  --gap: calc(var(--size) / 25);
  --duration: 60s;
  --scroll-start: 0;
  --scroll-end: calc(-100% - var(--gap));
}
.upper_slider{
  background:transparent;
}
.upper_slider .slider{
  background:transparent;
  height:80px;
  margin-top:30px;
  margin: auto;
  overflow:hidden;
  position:relative;
  width:100%;
}
.bottom_slider .slider{
  background:transparent;
  height:80px;
  margin-top:30px;
  margin: auto;
  overflow:hidden;
  position:relative;
  width:100%;
}

.upper_slider .slide-track{
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--gap);
  min-width: 100%;
  -webkit-animation: scroll-x var(--duration) linear infinite;
  animation: scroll-x var(--duration) linear infinite;
}
.bottom_slider .slide-track{
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--gap);
  min-width: 100%;
  -webkit-animation: scroll-x var(--duration) linear infinite;
  animation: scroll-x var(--duration) linear infinite;
  animation-direction:reverse;
}
.upper_slider .slider{
  display: flex;
  overflow: hidden;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-mask-image: linear-gradient( var(--mask-direction, to right), hsl(0 0% 0% / 0), hsl(0 0% 0% / 1) 20%, hsl(0 0% 0% / 1) 80%, hsl(0 0% 0% / 0) );
}
.bottom_slider .slider{
  display: flex;
  overflow: hidden;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-mask-image: linear-gradient( var(--mask-direction, to right), hsl(0 0% 0% / 0), hsl(0 0% 0% / 1) 20%, hsl(0 0% 0% / 1) 80%, hsl(0 0% 0% / 0) );
}
.upper_slider .slide{
  width: 100%;
  max-width: 140px;
  min-width: 140px;
  height: 56px;
  background: #141621;
  border-radius: 13px;
  margin-right: 32px;
  z-index: -2;
  display: flex;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
}
.bottom_slider .slide{
  width: 100%;
  min-width: 140px;
  max-width: 140px;
  height: 56px;
  background: #141621;
  border-radius: 13px;
  margin-right: 32px;
  z-index: -2;
  display: flex;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
}
.slide img{
  height:auto;
  max-width:60%;
}


@keyframes scroll-x{
  from {
    transform: translateX(var(--scroll-start));
  }
  to {
    transform: translateX(var(--scroll-end));
  }
}