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


/* ==========================================================
   PC メインビジュアル
========================================================== */

.slide {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.slide-image {
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;

  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;

  opacity: 0;
  animation: slider-1 24s linear infinite;
}


/* 1枚目 */

.slide-image:nth-child(1) {
  background-image: url("https://www.nagasawa-hp.com/images/top/top_202608-1.png");
  animation-delay: -2s;
}


/* 2枚目 */

.slide-image:nth-child(2) {
   background-image: url("https://www.nagasawa-hp.com/images/top/top_202608-2.png");
  animation-delay: 6s;
}


/* 3枚目 */

.slide-image:nth-child(3) {
   background-image: url("https://www.nagasawa-hp.com/images/top/top_202608-3.png");
  animation-delay: 14s;
}


/* ==========================================================
   スライドアニメーション
========================================================== */

@keyframes slider-1 {

  0% {
    opacity: 0;
    transform: scale(1);
  }

  4.16% {
    opacity: 1;
  }

  33.33% {
    opacity: 1;
  }

  41.66% {
    opacity: 0;
    transform: scale(1.2);
  }

  100% {
    opacity: 0;
  }

}


/* ==========================================================
   スマホ メインビジュアル
========================================================== */

@media screen and (max-width: 768px) {

  .top-firstview,
  .header_2,
  .header_2_in,
  .mv-bg {
    width: 100% !important;
    max-width: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  .mv-bg {
    position: relative;
    height: 760px !important;
	  margin-top: 50px;
	  min-height: auto;
	  
  }

  .slide {
    position: relative;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    overflow: hidden;
	   min-height: auto;
  }

  .slide-image {
    position: absolute;
    inset: 0;

    width: 100% !important;
    height: 100% !important;

    background-size: cover !important;
    background-position: center center !important;
    background-repeat: no-repeat;
  }


  .slide-image:nth-child(1) {
    background-image:
      url("https://www.nagasawa-hp.com/images/top/top-202608-m.png");
  }

  .slide-image:nth-child(2) {
    background-image:
      url("https://www.nagasawa-hp.com/images/top/top_202608-2-m.png");
  }

  .slide-image:nth-child(3) {
    background-image:
      url("https://www.nagasawa-hp.com/images/top/top_202608-3-m.png");
  }

}