.spbr{
    display: none;
  }

  .slideshow {
    position: relative;
    width: 100%;
    height: calc(100vh - 74px);
    min-height: 680px;
    max-height: 1020px;
    margin: auto;
    overflow: hidden;
    background: #f0f0f0;
  }

  .slideshow .slide {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: fade 17.5s infinite;
  }

  .slideshow .slide:before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.25);
  }

  .slideshow .slide-1 {
    background: url(../images/kv2025-1.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-2 {
    background: url(../images/kv2025-2.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-3 {
    background: url(../images/kv2025-3.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-4 {
    background: url(../images/kv2025-4.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-5 {
    background: url(../images/kv2025-5.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide:nth-child(1) { animation-delay: 0s; }
  .slideshow .slide:nth-child(2) { animation-delay: 3.5s; }
  .slideshow .slide:nth-child(3) { animation-delay: 7s; }
  .slideshow .slide:nth-child(4) { animation-delay: 10.5s; }
  .slideshow .slide:nth-child(5) { animation-delay: 14s; }

  @keyframes fade {
      0%   { opacity: 0; }
      5.71% { opacity: 1; }   /* 1秒経過（1s/17.5s） */
      20%  { opacity: 1; }    /* 表示継続（2.5s表示） */
      25.71% { opacity: 0; }  /* フェードアウト */
      100% { opacity: 0; }
  }

  .slide-catch{
    z-index:100;
    margin-bottom: 5vw;
    max-width: 1280px;
  }


  @media screen and (max-width: 820px) {

  .spbr{
    display: inline;
  }

  .slideshow {
    position: relative;
    width: 100vw;
    height: 132vw;
    min-height: 500px;
    margin: auto;
    overflow: hidden;
    background: #f0f0f0;
  }

  .slideshow .slide:before {
    background: rgba(0,0,0,0.30);
  }

  .slideshow .slide-1 {
    background: url(../images/kv2025-1-sp.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-2 {
    background: url(../images/kv2025-2-sp.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-3 {
    background: url(../images/kv2025-3-sp.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-4 {
    background: url(../images/kv2025-4-sp.jpg) no-repeat center center;
    background-size: cover;
  }

  .slideshow .slide-5 {
    background: url(../images/kv2025-5-sp.jpg) no-repeat center center;
    background-size: cover;
  }
  
  .slide-catch-img{
    display: block;
    width: 97vw;
  }

  }