.slider {
  position: relative;
  width: 100%;
  height: 404px;
  overflow: hidden;
  background-color: #fff;
}
.box {
  width: 100%;
  height: 100%;
  line-height: 400px;
}
.slide {
  height: 100%;
  float: left;
  clear: none;
  text-align: center;
}
.slide img {
  width: 100%;
}
.slides {
  height: 100%;
  overflow: hidden;
}
/* prev&nextボタンの配置 */
.slider-arrow {
  position: absolute;
  display: block;
  margin-bottom: -20px;
  padding: 5px;
  border-radius: 5px;
  font-size: 15px;
  background-color: rgba(238,119,0,0.5);
  color: #fff;
}
.slider-arrow:hover {
  background-color: rgba(238,119,0,0.2);
  color: #fff;
}
.slider-arrow--right {
  bottom: 50% /*画面下端からの距離*/;
  right: 10px /*画面右端からの距離*/;
}
.slider-arrow--left {
  bottom: 50% /*画面下端からの距離*/;
  left: 10px /*画面左端からの距離*/;
}
.slider-nav {
  position: absolute;
  bottom: 20px /*画面下端からの距離*/;
}
.slider-nav__item {
  width: 10px;
  height: 10px;
  float: left;
  clear: none;
  display: block;
  margin: 0 5px;
  background: #fff;
}
.slider-nav__item:hover {
  background: #ff7f4d;
}
.slider-nav__item--current {
  background: #ff7f4d;
}
.notice2020 {
  padding: 2px;
  margin: 40px auto;
  border: solid 1px #f00;
}
.notice2020 a {
  display: block;
  border: solid 1px #f00;
  text-align: center;
  padding: 20px;
  transition: 0.3s;
  color: #333;
}
.notice2020 a * {
  font-size: larger;
  font-weight: bolder;
  font-family: "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
}
.notice2020 a:hover {
  background-color: #fee;
}
.notice2020 h3 {
  font-size: 28px;
}
.notice2020 p {
  margin-top: 1em;
}
.notice2020.form a {
  padding: 10px 20px;
}
.notice2020.form p {
  margin-top: 0;
  font-family: inherit;
  font-weight: normal;
  text-align: left;
  text-indent: -1em;
  padding-left: 1em;
}
@media only screen and (max-width: 640px) {
  .notice2020 {
    width: 320px;
    margin: 40px 0;
  }
  .notice2020 a * {
    font-size: medium;
  }
  .notice2020 h3 {
    font-size: 22px;
  }
  .box {
    width: 320px;
    min-height: 200px;
    line-height: 200px;
  }
  .slider {
    position: relative;
    width: 320px;
    height: 160px;
    overflow: hidden;
  }
  .slider2 {
    position: relative;
    width: 320px;
    height: 220px;
    overflow: hidden;
  }
  .slide {
    height: 100%;
    float: left;
    clear: none;
    text-align: center;
  }
  .slide img {
    width: 100%;
  }
  .slides {
    height: 100%;
    overflow: hidden;
  }
  .slider-arrow {
    display: none;
  }
  .slider-arrow:hover {
    display: none;
  }
  .slider-arrow--right {
    display: none;
  }
  .slider-arrow--left {
    display: none;
  }
  .slider-nav {
    display: none;
  }
  .slider-nav__item {
    display: none;
  }
  .slider-nav__item:hover {
    display: none;
  }
  .slider-nav__item--current {
    display: none;
  }
  .slider-arrow {
    display: none;
  }
}
.clearfix::after {
  content: "";
  display: block;
  clear: both;
}
.top-wrap {
  width: 961px;
  display: block;
  margin: 0 auto;
}
.top-course a {
  color: #333;
}
.top-course .half {
  letter-spacing: -0.5em;
  padding-right: 20px;
}
.top-course .five {
  margin-top: 20px;
  letter-spacing: -0.5em;
  padding-right: 80px;
}
.top-course_box {
  display: inline-block;
  letter-spacing: normal;
  border: solid 3px #6a9fff;
  padding: 4px;
  position: relative;
  box-sizing: border-box;
  vertical-align: top;
}
.top-course_box:hover {
  opacity: 0.7;
}
.half .top-course_box {
  width: 50%;
  margin: 0 20px 0 0;
}
.half .top-course_box:nth-of-type(2n) {
  margin-right: -20px;
}
.five .top-course_box {
  width: 20%;
  margin: 0 20px 0 0;
}
.five .top-course_box:nth-of-type(5n) {
  margin-right: -80px;
}
.top-course_title {
  display: block;
  height: 40px;
  font-size: 115%;
  font-weight: bold;
  line-height: 1.2;
  color: #fff;
  padding: 8px 6px;
  border-radius: 3px;
  background: #6a9fff;
  background: linear-gradient(to top, #6a9fff 0%, #dfeaff 6%, #79a5ff 16%, #4e89ff 100%);
  text-shadow: 1px 1px 1px #4e89ff;
}
.top-course_title span {
  font-size: 14px;
  font-weight: normal;
  margin-left: 6px;
}
.top-course_img {
  float: right;
}
.top-course_imgB {
  margin-top: -20px;
  text-align: right;
}
.top-course_txt {
  padding: 20px 10px;
  height: 3.6em;
}
.top-course_link {
  text-align: right;
}
.top-course_link span {
  display: inline-block;
  font-size: 85%;
  margin: 6px 4px;
  padding: 4px 8px;
  border-radius: 8px;
  background: #6a9fff;
  background: linear-gradient(to bottom, #f7d379 0%, #f7c547 33%, #f7bc27 55%, #f9b300 100%);
}
.top-course_caution {
  padding-left: 20px;
  margin-top: 10px;
}
.top-access {
  margin-top: 10px;
  float: right;
}