@charset "UTF-8";
/* CSS Document */

 :root{
    --hero-h: min(100vh, 900px);
    --caption-bg: rgba(0,0,0,.35);
    --caption-cl: #fff;
    --dot: rgba(255,255,255,.45);
    --dot-active: #fff;
    --nav-bg: rgba(0,0,0,.35);
  }

  .hero-slider{
    position: relative;
    z-index: 0;
    width: 100%;
    height: var(--hero-h);
    overflow: hidden;
    color: var(--caption-cl);
    background: #000;
    /* 高さ：全画面 */
    height: 100vh;     /* 既存の --hero-h を使っているなら上書きでもOK */
    /* 幅：ビューポートいっぱい */
    width: 100vw;
    max-width: 100vw;
    /* 親コンテナの左右パディングを打ち消す */
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
  }
.hero-slider{

}
  .slider-track{
    display: flex;
    height: 100%;
    will-change: transform;
    transition: transform .8s ease;
    touch-action: pan-y;
    cursor: grab;
  }

  .slide{
    position: relative;
    min-width: 100%;
    height: 100%;
  }

  .slide-video{
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    /* 音声のある動画は自動再生不可になりやすいので必ず muted + playsinline */
  }

  .slide-caption{
    position: absolute;
    left: 4vw; 
    bottom: 6vh;
    max-width: 720px;
    padding: 1rem 1.25rem;
    background: var(--caption-bg);
    backdrop-filter: blur(4px);
    border-radius: 12px;
  }
  .slide-caption h2{
    margin: 0 0 .25rem;
    font-size: clamp(22px, 3.2vw, 44px);
    line-height: 1.1;
  }
  .slide-caption p{
    margin: 0; font-size: clamp(14px, 1.6vw, 18px);
    opacity: .95;
  }

  .nav{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: none;
    cursor: pointer;
    color: #fff;
    font-size: 40px;
    place-items: center;
    transition: opacity .2s ease;
    padding: 0 0 10px;
  }
  .nav:hover{ opacity: .9; }
  .prev{ left: 35px; }
  .next{ right: 35px; }
  
  .nav::before {
    content: "";
    position: absolute;
    background: var(--nav-bg); 
    top: 50%;
    left: 50%;
    border-radius: 50%;
    width: 44px; 
    height: 44px;
    transform: translate(-50%, -50%);
    display: block;
    z-index: -1;
  }

  .dots{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 14px;
    display: flex;
    gap: 15px;
  }
  .dots button{
    width: 13px; 
    height: 13px;
    border-radius: 50%;
    border: none;
    background: var(--dot);
    cursor: pointer;
    padding: 0;
  }
  .dots button[aria-selected="true"]{ background: var(--dot-active); }

  /* アニメ配慮：動きを抑える & 自動再生停止 */
  @media (prefers-reduced-motion: reduce){
    .slider-track{ transition: none; }
  }

  /* モバイルの指で押しやすく */
  @media (max-width: 800px){
    .hero-slider {
      height: 90vh;
    }
    .nav { 
        font-size: 7vw;
        padding: 0;
    }
    .next {
      right: 5vw;
    }
    .prev {
      left: 5vw;
    }
    .nav::before {
      width: 9vw;
      height: 9vw;
      transform: translate(-50%, -48%);
     }
    .slide-caption { 
      left: 5vw;
      right: 5vw; 
    }
    .dots button {
      width: 3vw;
      height: 3vw;
    }
  }