.back_img {
  background: url(../img/top/bg_main.jpg) no-repeat center center;
  -webkit-background-size: cover;
          background-size: cover;
}

.content {
  width: 100%;
  overflow: hidden;
}

.content section {
  min-height: 700px;
}

.about_txt {
  position: relative;
  width: 1080px;
  height: 700px;
  margin: 0 auto;
}

.play_img {
  position: absolute;
  display: inline-block;
  width: 322px;
  height: 560px;
  padding-top: 11px;
  background: url(../img/top/about/frame_top-about-thumb-shadow.png) no-repeat center top;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 20px);
      -ms-transform: translate(0, 20px);
          transform: translate(0, 20px);
}

.play_img:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url(../img/top/about/frame_top-about-thumb.png) no-repeat center top;
}

.play_img img {
  width: 296px;
  border-radius: 5px;
}

.about_txt_t {
  text-align: left;
  line-height: 1.7;
  color: #fff;
  font-size: 22px;
  letter-spacing: -.05em;
  text-shadow: 0 0 8px #000, 2px 2px 5px #000, -2px -2px 5px #000;
}

.about01 {
  position: relative;
  margin-top: -73px;
}

.about01 .about_back {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 1080px;
  margin: 0 auto;
  height: 700px;
}

.about01 .about_back p {
  position: absolute;
  left: -460px;
  top: 0;
  width: 0;
  height: 100%;
  background: url(../img/system/bg_top-about01.png) no-repeat center left;
}

.about01 .about_txt {
  padding-right: 50px;
}

.about01 .about_txt:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url(../img/system/bg_top-about01-deco.png) no-repeat center top;
  opacity: 0;
  filter: alpha(opacity=0);
}

.about01 .about_txt .about_title {
  width: 600px;
  margin-left: auto;
  padding-top: 186px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about01 .about_txt .about_txt_t {
  width: 600px;
  margin-top: 20px;
  padding: 0 70px;
  margin-left: auto;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
  text-shadow: 0 0 2px #001468, 0 0 4px #001468, 0 0 5px #001468, 2px 2px 3px #001468, -2px -2px 3px #001468;
}

.about01 .play_img {
  top: 84px;
  left: 93px;
}

.about01.trg .about_back p {
  width: 2000px;
  -webkit-transition: width .3s ease;
          transition: width .3s ease;
}

.about01.trg .about_txt:before {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transition: opacity .4s ease .9s;
          transition: opacity .4s ease .9s;
}

.about01.trg .about_txt .about_title {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about01.trg .about_txt .about_txt_t {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about01.trg .play_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity .4s ease .6s, -webkit-transform .4s ease .6s;
          transition: opacity .4s ease .6s, transform .4s ease .6s;
}

.about02 {
  position: relative;
  margin-top: 50px;
  z-index: 1;
}

.about02 .about_back {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 1080px;
  margin: 0 auto;
  height: 700px;
}

.about02 .about_back p {
  content: '';
  position: absolute;
  right: -460px;
  top: 0;
  width: 0;
  height: 100%;
  background: url(../img/system/bg_top-about02.png) no-repeat center right;
}

.about02 .about_txt:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url(../img/system/bg_top-about02-deco.png) no-repeat left top;
  opacity: 0;
  filter: alpha(opacity=0);
}

.about02 .about_txt .about2_img1 {
  position: absolute;
  right: 346px;
  top: -250px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(120px, 0) scale(0.8);
      -ms-transform: translate(120px, 0) scale(0.8);
          transform: translate(120px, 0) scale(0.8);
  z-index: -1;
}

.about02 .about_txt .about2_img2 {
  position: absolute;
  right: 70px;
  top: -212px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(-120px, 0) scale(0.8);
      -ms-transform: translate(-120px, 0) scale(0.8);
          transform: translate(-120px, 0) scale(0.8);
  z-index: -1;
}

.about02 .about_txt .about_title {
  position: relative;
  width: 600px;
  margin-left: 57px;
  padding-top: 180px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about02 .about_txt .about_title:before {
  content: '';
  position: absolute;
  left: 54px;
  top: -84px;
  right: 0;
  width: 280px;
  height: 220px;
  background: url(../img/system/img_system-parts01.png) no-repeat center center;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(20px, 50px) scale(0.9);
      -ms-transform: translate(20px, 50px) scale(0.9);
          transform: translate(20px, 50px) scale(0.9);
}

.about02 .about_txt .about_txt_t {
  width: 600px;
  margin-top: 20px;
  padding: 0 5px 0 122px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about02 .play_img {
  right: 83px;
  top: 83px;
}

.about02.trg .about_back p {
  width: 2000px;
  -webkit-transition: width .3s ease;
          transition: width .3s ease;
}

.about02.trg .about_txt:before {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transition: opacity .4s ease .9s;
          transition: opacity .4s ease .9s;
}

.about02.trg .about_txt .about_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0) scale(1);
      -ms-transform: translate(0) scale(1);
          transform: translate(0) scale(1);
  -webkit-transition: opacity 0.3s ease 0.5s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.5s;
          transition: opacity 0.3s ease 0.5s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.5s;
}

.about02.trg .about_txt .about_title {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about02.trg .about_txt .about_title:before {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0) scale(1);
      -ms-transform: translate(0) scale(1);
          transform: translate(0) scale(1);
  -webkit-transition: opacity 0.15s ease 0.8s, -webkit-transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
          transition: opacity 0.15s ease 0.8s, transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
}

.about02.trg .about_txt .about_txt_t {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about02.trg .play_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity .4s ease .6s, -webkit-transform .4s ease .6s;
          transition: opacity .4s ease .6s, transform .4s ease .6s;
}

.about03 {
  position: relative;
  margin-top: 35px;
}

.about03 .about_back {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 1080px;
  margin: 0 auto;
  height: 700px;
}

.about03 .about_back p {
  position: absolute;
  left: -460px;
  top: 0;
  width: 0;
  height: 100%;
  background: url(../img/system/bg_top-about03.png) no-repeat center left;
}

.about03 .about_txt {
  padding-right: 50px;
}

.about03 .about_txt:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url(../img/system/bg_top-about03-deco.png) no-repeat right top;
  opacity: 0;
  filter: alpha(opacity=0);
}

.about03 .about_txt .about3_img1 {
  position: absolute;
  left: 150px;
  top: -198px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px) scale(0.8);
      -ms-transform: translate(0, 50px) scale(0.8);
          transform: translate(0, 50px) scale(0.8);
  z-index: -1;
}

.about03 .about_txt .about3_img2 {
  position: absolute;
  right: 105px;
  top: 524px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px) scale(0.8);
      -ms-transform: translate(0, 50px) scale(0.8);
          transform: translate(0, 50px) scale(0.8);
  z-index: 1;
}

.about03 .about_txt .about3_img2:before {
  content: '';
  position: absolute;
  top: -36px;
  right: -50px;
  width: 60px;
  height: 60px;
  background: url(../img/system/img_system-parts02.png) no-repeat right top;
  -webkit-transform: rotate(-40deg);
      -ms-transform: rotate(-40deg);
          transform: rotate(-40deg);
}

.about03 .about_txt .about_title {
  width: 600px;
  margin-left: auto;
  padding-top: 180px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about03 .about_txt .about_txt_t {
  width: 600px;
  margin-top: 20px;
  padding: 0 70px;
  margin-left: auto;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about03 .play_img {
  left: 93px;
  top: 85px;
}

.about03.trg .about_back p {
  width: 2000px;
  -webkit-transition: width .3s ease;
          transition: width .3s ease;
}

.about03.trg .about_txt:before {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transition: opacity .4s ease .9s;
          transition: opacity .4s ease .9s;
}

.about03.trg .about_txt .about_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0) scale(1);
      -ms-transform: translate(0) scale(1);
          transform: translate(0) scale(1);
  -webkit-transition: opacity 0.2s ease 0.5s, -webkit-transform 0.2s cubic-bezier(0.1, 0.1, 0.11, 1) 0.5s;
          transition: opacity 0.2s ease 0.5s, transform 0.2s cubic-bezier(0.1, 0.1, 0.11, 1) 0.5s;
}

.about03.trg .about_txt .about_title {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0) scale(1);
      -ms-transform: translate(0) scale(1);
          transform: translate(0) scale(1);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about03.trg .about_txt .about_txt_t {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about03.trg .play_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity .4s ease .6s, -webkit-transform .4s ease .6s;
          transition: opacity .4s ease .6s, transform .4s ease .6s;
}

.about04 {
  position: relative;
  margin-top: 44px;
  z-index: 1;
}

.about04 .about_back {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 1080px;
  margin: 0 auto;
  height: 700px;
}

.about04 .about_back p {
  content: '';
  position: absolute;
  right: -460px;
  top: 0;
  width: 0;
  height: 100%;
  background: url(../img/system/bg_top-about04.png) no-repeat center right;
}

.about04 .about_txt:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url(../img/system/bg_top-about04-deco.png) no-repeat center top;
  opacity: 0;
  filter: alpha(opacity=0);
}

.about04 .about_txt .about4_img1 {
  position: absolute;
  left: -52px;
  top: -189px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px) scale(0.9);
      -ms-transform: translate(0, 50px) scale(0.9);
          transform: translate(0, 50px) scale(0.9);
}

.about04 .about_txt .about4_img1:before {
  content: '';
  position: absolute;
  top: 166px;
  right: -46px;
  width: 60px;
  height: 60px;
  background: url(../img/system/img_system-parts02.png) no-repeat right top;
}

.about04 .about_txt .about4_img2 {
  position: absolute;
  right: 280px;
  top: -223px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px) scale(0.9);
      -ms-transform: translate(0, 50px) scale(0.9);
          transform: translate(0, 50px) scale(0.9);
  z-index: -1;
}

.about04 .about_txt .about_title {
  position: relative;
  width: 600px;
  margin-left: 66px;
  padding-top: 180px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about04 .about_txt .about_txt_t {
  width: 600px;
  margin-top: 20px;
  padding: 0 5px 0 122px;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
}

.about04 .play_img {
  right: 84px;
  top: 86px;
}

.about04.trg .about_back p {
  width: 2000px;
  -webkit-transition: width .3s ease;
          transition: width .3s ease;
}

.about04.trg .about_txt:before {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transition: opacity .4s ease .9s;
          transition: opacity .4s ease .9s;
}

.about04.trg .about_txt .about_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0) scale(1);
      -ms-transform: translate(0) scale(1);
          transform: translate(0) scale(1);
  -webkit-transition: opacity 0.25s ease 0.5s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.5s;
          transition: opacity 0.25s ease 0.5s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.5s;
}

.about04.trg .about_txt .about_title {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0) scale(1);
      -ms-transform: translate(0) scale(1);
          transform: translate(0) scale(1);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about04.trg .about_txt .about_txt_t {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity 0.3s ease 0.3s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
          transition: opacity 0.3s ease 0.3s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.3s;
}

.about04.trg .play_img {
  opacity: 1;
  filter: alpha(opacity=100);
  -webkit-transform: translate(0);
      -ms-transform: translate(0);
          transform: translate(0);
  -webkit-transition: opacity .4s ease .6s, -webkit-transform .4s ease .6s;
          transition: opacity .4s ease .6s, transform .4s ease .6s;
}

@media screen and (max-width: 750px) {
  .content section {
    min-height: 400px;
  }
  .back_img {
    background: url(../img/top/_sp/bg_main_sp.jpg) no-repeat center center;
    -webkit-background-size: cover;
            background-size: cover;
  }
  .about_txt {
    width: 100%;
    height: auto;
  }
  .play_img {
    position: relative;
    left: 0 !important;
    top: 0 !important;
    width: 58.7%;
    height: auto;
    margin: 0 auto;
    padding: 0;
    background: url(../img/top/_sp/about/frame_top-about-thumb-shadow_sp.png) no-repeat center top;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .play_img:before {
    background: url(../img/top/_sp/about/frame_top-about-thumb_sp.png) no-repeat center top;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .play_img img {
    width: 100%;
    padding: 5% 4%;
  }
  .about_txt_t {
    line-height: 1.45;
    font-size: 17px;
    letter-spacing: -.08em;
    font-weight: 500;
    text-shadow: 0 0 2px #001468, 0 0 4px #001468, 0 0 5px #001468, 2px 2px 3px #001468, -2px -2px 3px #001468;
  }
  .about01 {
    margin-top: 0;
  }
  .about01 .about_back {
    top: 39.8%;
    width: 100%;
    height: 500px;
  }
  .about01 .about_back p {
    width: 0;
    left: 0;
    background: url(../img/system/bg_system01_sp.png) no-repeat left top;
    -webkit-background-size: 375px auto;
            background-size: 375px auto;
  }
  .about01 .about_txt {
    padding: 0;
  }
  .about01 .about_txt:before {
    background: url(../img/system/bg_system01-deco_sp.png) no-repeat center top 80%;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .about01 .about_txt .about_title {
    position: relative;
    top: 0;
    padding-top: 38.5%;
  }
  .about01 .about_txt .about_title {
    width: 100%;
    padding-top: 2%;
  }
  .about01 .about_txt .about_txt_t {
    width: 90%;
    margin: 9% auto 0;
    padding: 0;
    text-shadow: 0 0 2px #001468, 0 0 4px #001468, 0 0 5px #001468, 2px 2px 3px #001468, -2px -2px 3px #001468;
  }
  .about01.trg .about_back p {
    width: 100%;
    -webkit-transition: width .15s ease .25s;
            transition: width .15s ease .25s;
  }
  .about01.trg .about_txt:before {
    -webkit-transition: opacity .4s ease .9s;
            transition: opacity .4s ease .9s;
  }
  .about01.trg .about_txt .about_title {
    -webkit-transition: opacity 0.25s ease 0.45s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
            transition: opacity 0.25s ease 0.45s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
  }
  .about01.trg .about_txt .about_txt_t {
    -webkit-transition: opacity 0.25s ease 0.6s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
            transition: opacity 0.25s ease 0.6s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
  }
  .about01.trg .play_img {
    -webkit-transition: opacity .4s ease, -webkit-transform .4s ease;
            transition: opacity .4s ease, transform .4s ease;
  }
  .about02 {
    margin-top: 10%;
  }
  .about02 .about_back {
    top: 35%;
    width: 100%;
    height: 500px;
  }
  .about02 .about_back p {
    width: 0;
    right: auto;
    left: 0;
    background: url(../img/system/bg_system02_sp.png) no-repeat left top;
    -webkit-background-size: 375px auto;
            background-size: 375px auto;
  }
  .about02 .about_txt:before {
    background: url(../img/system/bg_system02-deco_sp.png) no-repeat center top 68%;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .about02 .about_txt .about2_img1 {
    right: auto;
    left: 2%;
    top: -2%;
    width: 35.5%;
  }
  .about02 .about_txt .about2_img2 {
    right: -6%;
    top: .5%;
    width: 54%;
  }
  .about02 .about_txt .about_title {
    width: 100%;
    margin: 0;
    padding-top: 3%;
  }
  .about02 .about_txt .about_title:before {
    left: auto;
    top: -120%;
    right: 3%;
    width: 37%;
    height: auto;
    padding-bottom: 29%;
    -webkit-background-size: contain;
            background-size: contain;
    z-index: -1;
  }
  .about02 .about_txt .about_txt_t {
    width: 90%;
    margin: 12% auto 0;
    padding: 0;
    text-shadow: 0 0 2px #001468, 0 0 4px #001468, 0 0 5px #001468, 2px 2px 3px #001468, -2px -2px 3px #001468;
  }
  .about02.trg .about_back p {
    width: 100%;
    -webkit-transition: width .15s ease .25s;
            transition: width .15s ease .25s;
  }
  .about02.trg .about_txt:before {
    -webkit-transition: opacity .4s ease 1s;
            transition: opacity .4s ease 1s;
  }
  .about02.trg .about_txt .about_img {
    -webkit-transition: opacity 0.3s ease 0.8s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
            transition: opacity 0.3s ease 0.8s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
  }
  .about02.trg .about_txt .about_title {
    -webkit-transition: opacity 0.25s ease 0.45s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
            transition: opacity 0.25s ease 0.45s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
  }
  .about02.trg .about_txt .about_title:before {
    opacity: 1;
    filter: alpha(opacity=100);
    -webkit-transform: translate(0) scale(1);
        -ms-transform: translate(0) scale(1);
            transform: translate(0) scale(1);
    -webkit-transition: opacity 0.15s ease 0.8s, -webkit-transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
            transition: opacity 0.15s ease 0.8s, transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
  }
  .about02.trg .about_txt .about_txt_t {
    -webkit-transition: opacity 0.25s ease 0.6s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
            transition: opacity 0.25s ease 0.6s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
  }
  .about02.trg .play_img {
    -webkit-transition: opacity .4s ease, -webkit-transform .4s ease;
            transition: opacity .4s ease, transform .4s ease;
  }
  .about03 {
    margin-top: 0;
    z-index: 1;
  }
  .about03 .about_back {
    top: 40%;
    width: 100%;
    height: 500px;
  }
  .about03 .about_back p {
    width: 0;
    left: 0;
    background: url(../img/system/bg_system03_sp.png) no-repeat left top;
    -webkit-background-size: 375px auto;
            background-size: 375px auto;
  }
  .about03 .about_txt {
    margin-top: 28%;
    padding: 0;
  }
  .about03 .about_txt:before {
    background: url(../img/system/bg_system03-deco_sp.png) no-repeat center top 77.5%;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .about03 .about_txt .about3_img1 {
    left: 0;
    top: -13%;
    width: 56%;
    z-index: -1;
  }
  .about03 .about_txt .about3_img2 {
    right: 0;
    top: 23%;
    width: 22.5%;
    z-index: 1;
  }
  .about03 .about_txt .about3_img2:before {
    top: -60%;
    right: 42%;
    width: 30px;
    height: 30px;
    -webkit-background-size: contain;
            background-size: contain;
    -webkit-transform: rotate(0);
        -ms-transform: rotate(0);
            transform: rotate(0);
  }
  .about03 .about_txt .about_title {
    width: 100%;
    padding-top: 2%;
  }
  .about03 .about_txt .about_txt_t {
    width: 90%;
    margin: 11% auto 0;
    padding: 0;
    text-shadow: 0 0 2px #001468, 0 0 4px #001468, 0 0 5px #001468, 2px 2px 3px #001468, -2px -2px 3px #001468;
  }
  .about03.trg .about_back p {
    width: 100%;
    -webkit-transition: width .2s ease .1s;
            transition: width .2s ease .1s;
  }
  .about03.trg .about_txt:before {
    -webkit-transition: opacity .4s ease 1s;
            transition: opacity .4s ease 1s;
  }
  .about03.trg .about_txt .about_img {
    -webkit-transition: opacity 0.3s ease 0.8s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
            transition: opacity 0.3s ease 0.8s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
  }
  .about03.trg .about_txt .about_title {
    -webkit-transition: opacity 0.25s ease 0.45s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
            transition: opacity 0.25s ease 0.45s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
  }
  .about03.trg .about_txt .about_title:before {
    opacity: 1;
    filter: alpha(opacity=100);
    -webkit-transform: translate(0) scale(1);
        -ms-transform: translate(0) scale(1);
            transform: translate(0) scale(1);
    -webkit-transition: opacity 0.15s ease 0.8s, -webkit-transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
            transition: opacity 0.15s ease 0.8s, transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
  }
  .about03.trg .about_txt .about_txt_t {
    -webkit-transition: opacity 0.25s ease 0.6s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
            transition: opacity 0.25s ease 0.6s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
  }
  .about03.trg .play_img {
    -webkit-transition: opacity .4s ease, -webkit-transform .4s ease;
            transition: opacity .4s ease, transform .4s ease;
  }
  .about04 {
    margin-top: 11%;
  }
  .about04 .about_back {
    top: 36.5%;
    width: 100%;
    height: 500px;
  }
  .about04 .about_back p {
    width: 0;
    right: auto;
    left: 0;
    background: url(../img/system/bg_system04_sp.png) no-repeat left top;
    -webkit-background-size: 375px auto;
            background-size: 375px auto;
  }
  .about04 .about_txt:before {
    background: url(../img/system/bg_system04-deco_sp.png) no-repeat center top 76%;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .about04 .about_txt .about4_img1 {
    left: -16%;
    top: -9%;
    width: 49.4%;
  }
  .about04 .about_txt .about4_img1:before {
    top: auto;
    bottom: -7%;
    right: 35%;
    width: 30px;
    height: 30px;
    -webkit-background-size: contain;
            background-size: contain;
  }
  .about04 .about_txt .about4_img2 {
    right: -15%;
    top: 1%;
    width: 38.7%;
    z-index: 1;
  }
  .about04 .about_txt .about_title {
    width: 100%;
    padding-top: 2%;
    margin: 0;
  }
  .about04 .about_txt .about_txt_t {
    width: 90%;
    margin: 12% auto 0;
    padding: 0;
    text-shadow: 0 0 2px #001468, 0 0 4px #001468, 0 0 5px #001468, 2px 2px 3px #001468, -2px -2px 3px #001468;
  }
  .about04 .play_img {
    z-index: 1;
  }
  .about04.trg .about_back p {
    width: 100%;
    -webkit-transition: width .2s ease .1s;
            transition: width .2s ease .1s;
  }
  .about04.trg .about_txt:before {
    -webkit-transition: opacity .4s ease 1s;
            transition: opacity .4s ease 1s;
  }
  .about04.trg .about_txt .about_img {
    -webkit-transition: opacity 0.3s ease 0.8s, -webkit-transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
            transition: opacity 0.3s ease 0.8s, transform 0.3s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
  }
  .about04.trg .about_txt .about_title {
    -webkit-transition: opacity 0.25s ease 0.45s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
            transition: opacity 0.25s ease 0.45s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.45s;
  }
  .about04.trg .about_txt .about_title:before {
    opacity: 1;
    filter: alpha(opacity=100);
    -webkit-transform: translate(0) scale(1);
        -ms-transform: translate(0) scale(1);
            transform: translate(0) scale(1);
    -webkit-transition: opacity 0.15s ease 0.8s, -webkit-transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
            transition: opacity 0.15s ease 0.8s, transform 0.15s cubic-bezier(0.1, 0.1, 0.11, 1) 0.8s;
  }
  .about04.trg .about_txt .about_txt_t {
    -webkit-transition: opacity 0.25s ease 0.6s, -webkit-transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
            transition: opacity 0.25s ease 0.6s, transform 0.25s cubic-bezier(0.1, 0.1, 0.11, 1) 0.6s;
  }
  .about04.trg .play_img {
    -webkit-transition: opacity .4s ease, -webkit-transform .4s ease;
            transition: opacity .4s ease, transform .4s ease;
  }
}