@charset "utf-8";

:root{
  --max: 1100px;
  --pad: 24px;

  --gap: clamp(14px, 2.2vw, 28px);
  --radius: 18px;

  --slide-w: clamp(200px, 25vw, 450px); /* 1枚の基準幅 */
  --side-scale: .92;
  --center-scale: 1.05;

  --arrow-size: 64px;
  --arrow-shadow: 0 10px 22px rgba(0,0,0,.18);
}

.voice{
  width: 100%;
  margin: 0 auto;
  padding: 24px var(--pad);
}

.voice__viewport{
  position: relative;
  overflow: hidden;
  padding: 10px clamp(24px, 5vw, 80px);
}

.voice__track{
  display: flex;
  gap: var(--gap);
  align-items: center;
  will-change: transform;
  transition: transform .45s ease;
}

.voice__slide{
  flex: 0 0 var(--slide-w);
  transform: none;
  transition: none;
}

.voice__slide.is-active .voice__media{
  transform: scale(var(--center-scale));
}

.voice__slide.is-active{
  z-index: 2;
}

.voice__media{
  transform: scale(var(--side-scale));
  transform-origin: center;
  transition: transform .45s ease;
}

/* 矢印 */
.voice__arrow{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  width: var(--arrow-size);
  height: var(--arrow-size);
  display: grid;
  place-items: center;
  filter: drop-shadow(var(--arrow-shadow));
  z-index: 5;
}

.voice__arrow img{
  width: 100%;
  height: 100%;
  display:block;
}

.voice__arrow--prev{ left: clamp(8px, 30vw, 900px); }
.voice__arrow--next{ right: clamp(8px, 30vw, 900px); }

@media (min-width: 1900px) {
  .voice__arrow--prev{ left: clamp(8px, 34vw, 1200px); }
  .voice__arrow--next{ right: clamp(8px, 34vw, 1200px); }
}

@media (max-width: 500px){
  :root{
    --slide-w: 82vw;
    --arrow-size: 54px;
    --center-scale: 1.03;
  }
  .voice__viewport{
    padding: 8px 18px;
  }
  
  :root{
  --gap: 1.5vw;
  --slide-w: 80%;
}

  .voice{
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

.voice__viewport{
  padding: 10px 0;
}

.voice__arrow--prev{ left: 1vw; }
.voice__arrow--next{ right: 1vw; }

  
}

@media (prefers-reduced-motion: reduce){
  .voice__track,
  .voice__slide{ transition: none; }
}