/* =========================================================
   KOUBUN TOP Page / index.html
   ========================================================= */

.top-renewal{
  width:100%;
  overflow:hidden;
  background:#fff;
  color:#182956;
}

/* 5枚フェードスライド */
.top-slider{
  position:relative;
  width:100%;
  overflow:hidden;
  background:#fff;
}

.top-slider__stage{
  position:relative;
  width:100%;
  aspect-ratio:1568 / 1024;
}

.top-slider__slide{
  position:absolute;
  inset:0;
  margin:0;
  opacity:0;
  visibility:hidden;
  transition:opacity 1.2s ease, visibility 1.2s ease;
}

.top-slider__slide.is-active{
  opacity:1;
  visibility:visible;
  z-index:2;
}

.top-slider__slide img{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  background:#fff;
}

/* スライド下部 */
.top-renewal__definition{
  padding:44px 24px 38px;
  text-align:center;
  background:#fff;
}

.top-renewal__definition h1{
  margin:0 0 4px;
  font-size:clamp(27px,4.2vw,46px);
  line-height:1.15;
  font-weight:700;
}

.top-renewal__definition h1 span{
  display:block;
  margin-top:4px;
  font-size:.48em;
  letter-spacing:.03em;
}

.top-renewal__definition p{
  max-width:880px;
  margin:10px auto 0;
  font-size:14px;
  line-height:1.75;
  font-weight:500;
}

/* DX対応サービス：説明文の直下 */
.top-service-circles{
  display:grid;
  grid-template-columns:repeat(6, minmax(0, 1fr));
  gap:14px;
  width:min(1120px, 94%);
  margin:34px auto 0;
  padding:0;
  list-style:none;
}

.top-service-circles li{
  width:100%;
  aspect-ratio:1 / 1;
  display:flex;
  align-items:center;
  justify-content:center;
  box-sizing:border-box;
  border-radius:50%;
  background:#182956;
  color:#fff;
  text-align:center;
  font-size:clamp(12px,1.25vw,16px);
  line-height:1.35;
  font-weight:700;
}

.top-service-circles span{
  display:block;
}

.top-renewal__cta{
  width:min(1180px,88%);
  margin:0 auto;
  padding:36px 0 32px;
  text-align:center;
}

.top-renewal__cta p{
  margin:0;
  font-size:clamp(18px,2.25vw,28px);
  line-height:1.55;
  font-weight:700;
  letter-spacing:.04em;
}


/* OP動画：ページ上にオーバーレイ */
.op-movie{
  position:fixed;
  inset:0;
  z-index:9999;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#000;
  transition:opacity .45s ease, visibility .45s ease;
}

.op-movie.is-hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}

.op-movie video{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  background:#000;
}

.op-movie__skip{
  position:absolute;
  top:18px;
  right:18px;
  z-index:2;
  min-width:74px;
  height:42px;
  padding:0 15px;
  border:1px solid rgba(255,255,255,.75);
  border-radius:22px;
  background:rgba(0,0,0,.38);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  cursor:pointer;
}

@media(max-width:700px){
  .top-slider__stage{
    aspect-ratio:1568 / 1024;
  }

  .top-renewal__definition{
    padding:28px 18px 26px;
  }

  .top-renewal__definition h1{
    font-size:clamp(24px,7vw,34px);
  }

  .top-renewal__definition p{
    font-size:12px;
    line-height:1.65;
  }

  .top-service-circles{
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:12px;
    width:min(520px, 92%);
    margin-top:24px;
  }

  .top-service-circles li{
    font-size:clamp(12px,3.2vw,15px);
  }

  .top-renewal__cta{
    width:88%;
    padding:28px 0 26px;
  }

  .top-renewal__cta p{
    font-size:clamp(15px,4vw,20px);
  }

  .op-movie__skip{
    top:12px;
    right:12px;
  }
}

@media(max-width:430px){
  .top-service-circles{
    grid-template-columns:repeat(2, minmax(0, 1fr));
    width:min(340px, 88%);
    gap:10px;
  }

  .top-service-circles li{
    font-size:13px;
  }
}

@media(prefers-reduced-motion:reduce){
  .top-slider__slide,
  .op-movie{
    transition:none;
  }
}