@charset "UTF-8";
/* education-system */
.education-system {
  max-width: calc(100% - (50% - (1080px / 2)));
  width: calc(100% - 3rem);
  margin: 102px 0 0 auto;
  border-right: solid transparent;
  border-right-width: medium;
  border-right-width: medium;
}
.education-system .education-system-inner {
  position: relative;
}
.education-system .education-system-inner .img-01 {
  width: 100%;
  max-width: 830px;
}
.education-system .education-system-inner .img-02 {
  width: 100%;
  max-width: 370px;
  position: absolute;
  top: 260px; right: 0;
}
.education-system-txt {
  position: relative;
  background: #222;
  width: 100%;
  max-width: 675px;
  margin-top: -150px;
  padding: 60px;
  z-index: 1;
}
.education-system-txt h2 {
  margin-bottom: 24px;
}

/* category */
.category {
  margin-top: 102px;
}
.category h2 {
  margin-bottom: 60px;
}
.category_area{
  display: flex;
}
.category_area .category_inner{
  width: 33.333%;
  margin-right: 60px;
}
.category_img {
  position: relative;
}
.category_img:before {
  position: absolute;
  top: -52px;
  right: 0;
  display: block;
  font-size: 72px;
  font-weight: bold;
  font-family: "Helvetica Neue", "Helvetica", "游ゴシック", "Yu Gothic";
  color: transparent;
  -webkit-text-stroke: 1.5px #FFF;
  text-stroke: 1.5px #FFF;
}
.category_img.img01:before {
  content: '01';
  z-index: 5;
}
.category_img.img02:before {
  content: '02';
  z-index: 5;
}
.category_img.img03:before {
  content: '03';
  z-index: 5;
}
.category_img.img04:before {
  content: '04';
  z-index: 5;
}
.category_img.img05:before {
  content: '05';
  z-index: 5;
}
.category_img.img06:before {
  content: '06';
  z-index: 5;
}
.category_img>img {
  position: relative;
  z-index: 1;
}
.category_area .category_inner.mt60,
.category_area.mt60 {
  margin-top: 60px;
}
.category_area .category_inner:last-child{
  margin-right: 0;
}
.category_item span{
  margin-top: 12px;
  display: block;
}
.category_area .category_inner h3 {
  font-size: 24px;
  margin: 24px 0;
  line-height: 1;
}

/* history */
.history {
  position: relative;
  width: 100%;
  height: 400px;
  max-width: 1080px;
  margin: 144px auto;
  background: url("../img/page/particular_img09.jpg") no-repeat;
  background-position-x: center;
}
/* .history {
  -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
  -ms-filter: grayscale(100%);
  -o-filter: grayscale(100%);
  filter: grayscale(100%);
  -webkit-transition: all 0.7s ease;
  -moz-transition: all 0.7s ease;
  -o-transition: all 0.7s ease;
  transition: all  0.7s ease;
  }
  .history:hover {
    -webkit-filter: grayscale(0);
    -moz-filter: grayscale(0);
    -ms-filter: grayscale(0);
    -o-filter: grayscale(0);
    filter: grayscale(0);
    } */
  .history::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(34, 34, 34, 0.4);
  }
.history-inner {
  position: absolute;
  width: 80%;
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  -webkit-transform: translateY(-50%) translateX(-50%);
}
.history h2 {
  display: inline-block;
}
.history h2 span {
  font-size: 16px;
  display: block;
}
.history .btn04 {
  position: absolute;
  right: 0;
}
.history .btn04 a {
  border: 1px solid #fff;
}
.history .btn04 a:hover {
  border: 1px solid #555;
}
.history .btn04 a::before {
  border-top: 1px solid #fff;
}
.history .btn04 a:hover::before {
  border-top: 1px solid #555;
}

@media screen and (max-width: 1440px) {
  .time-schedule {
    width: 90%;
  }
  .education-system .education-system-inner .img-01 {
    width: 60%;
  }
  .education-system .education-system-inner .img-02 {
    width: 30%;
    top:40%;
  }
  .education-system-txt {
    width: 50%;
    padding: 30px;
    margin-top: -50px;
  }
}
@media screen and (max-width: 1000px) {
  .category {
    padding: 0 15px;
  }
  .history h2 {
    display: block;
  }
  .history .btn04 {
    position: relative;
    margin-top: 24px;
  }
}
@media screen and (max-width: 767px) {
  .category {
    margin-top: 84px;
}
.category h2 {
  margin-bottom: 30px;
}
  .category_area .category_inner{
    margin-right: 30px;
  }
  .category_area .category_inner h3 {
    margin: 24px 0 18px 0;
}
  .education-system {
    width: calc(100% - 15px);
}
  .education-system-txt {
    display: block;
    width: 100%;
    margin-top: 30px;
    }
    .history {
      margin: 84px auto;
    }
    .history h2 {
      display: block;
    }
    .history .btn04 {
      position: static;
    }
}

@media screen and (max-width: 480px) {
  .category_area {
    display: block;
  }
  .category_img {
    height: 200px;
    overflow: hidden;
  }
  .category_area .category_inner {
    margin-right: 0;
    width: 100%;
    margin-top: 30px;
  }
  .category_img::before {
    top: 10px; right: 10px;
    line-height: 1;
  }
}