@charset "UTF-8";
/* --------------------------------
 * top_slider
 * -------------------------------- */
.slider_css {
  padding-top: calc(550 / 1200 * 100%);
  /* calc(画像高さ ÷ 画像横幅 × 100%) */
  height: 0;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

@media screen and (max-width: 959px) {
  .slider_css {
    margin: 0;
  }
}

.slider_css ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.slider_css ul li {
  width: 100%;
  height: 0;
  position: absolute;
  top: 0;
  left: 0;
  animation-iteration-count: infinite;
  animation-duration: 32s;
}

.slider_css ul li:nth-child(1) {
  background: url("../img/slide_1.jpg") center center/cover no-repeat;
  height: 0;
  padding-top: calc(550 / 1200 * 100%);
  /* calc(画像高さ ÷ 画像横幅 × 100%) */
  animation-name: slider-zoomin;
  animation-delay: -3s;
}

@media screen and (max-width: 959px) {
  .slider_css ul li:nth-child(1) {
    background: url("../img/slide_1_sp.jpg") no-repeat;
    background-size: 100%;
    height: 700px;
  }
}

.slider_css ul li:nth-child(2) {
  background: url("../img/slide_2.jpg") center center/cover no-repeat;
  height: 0;
  padding-top: calc(550 / 1200 * 100%);
  /* calc(画像高さ ÷ 画像横幅 × 100%) */
  animation-name: slider-zoomout;
  opacity: 0;
  animation-delay: 5s;
}

@media screen and (max-width: 959px) {
  .slider_css ul li:nth-child(2) {
    background: url("../img/slide_2_sp.jpg") no-repeat;
    background-size: 100%;
    height: 700px;
  }
}

.slider_css ul li:nth-child(3) {
  background: url("../img/slide_3.jpg") center center/cover no-repeat;
  height: 0;
  padding-top: calc(550 / 1200 * 100%);
  /* calc(画像高さ ÷ 画像横幅 × 100%) */
  animation-name: slider-zoomin;
  opacity: 0;
  animation-delay: 13s;
}

@media screen and (max-width: 959px) {
  .slider_css ul li:nth-child(3) {
    background: url("../img/slide_3_sp.jpg") no-repeat;
    background-size: 100%;
    height: 700px;
  }
}

.slider_css ul li:nth-child(4) {
  background: url("../img/slide_4.jpg") center center/cover no-repeat;
  height: 0;
  padding-top: calc(550 / 1200 * 100%);
  /* calc(画像高さ ÷ 画像横幅 × 100%) */
  animation-name: slider-zoomout;
  opacity: 0;
  animation-delay: 21s;
}

@media screen and (max-width: 959px) {
  .slider_css ul li:nth-child(4) {
    background: url("../img/slide_4_sp.jpg") no-repeat;
    background-size: 100%;
    height: 700px;
  }
}

.slider_css ul li img {
  width: 100%;
}

@media only screen and (max-width: 959px) {
  .slider_css {
    height: 550px;
  }
  .slider_css ul li {
    background-size: contain;
    background-repeat: no-repeat;
  }
}

@keyframes slider-zoomin {
  0% {
    opacity: 0;
    transform: scale(1);
  }
  12.5% {
    opacity: 1;
  }
  20% {
    opacity: 1;
  }
  27.5% {
    opacity: 1;
  }
  55.5% {
    opacity: 0;
  }
  100% {
    opacity: 0;
    transform: scale(1);
  }
}

@keyframes slider-zoomout {
  0% {
    opacity: 0;
    transform: scale(1);
  }
  12.5% {
    opacity: 1;
  }
  20% {
    opacity: 1;
  }
  27.5% {
    opacity: 1;
  }
  55.5% {
    opacity: 0;
  }
  100% {
    opacity: 0;
    transform: scale(1);
  }
}

.loop_css img:first-child {
  -webkit-animation: loop 50s -25s linear infinite;
  animation: loop 50s -25s linear infinite;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
}

.loop_css img + img {
  -webkit-animation: loop2 50s  linear infinite;
  animation: loop2 50s linear infinite;
}

/*アニメーション*/
@-webkit-keyframes loop {
  0% {
    -webkit-transform: translateX(100%);
    -ms-transform: translateX(100%);
    transform: translateX(100%);
  }
  to {
    -webkit-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

@keyframes loop {
  0% {
    -webkit-transform: translateX(100%);
    -ms-transform: translateX(100%);
    transform: translateX(100%);
  }
  to {
    -webkit-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

@-webkit-keyframes loop2 {
  0% {
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
  }
  to {
    -webkit-transform: translateX(-200%);
    -ms-transform: translateX(-200%);
    transform: translateX(-200%);
  }
}

@keyframes loop2 {
  0% {
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
  }
  to {
    -webkit-transform: translateX(-200%);
    -ms-transform: translateX(-200%);
    transform: translateX(-200%);
  }
}