.sp {
  display: block;
}

.pc {
  display: none;
}

body {
  font-family: "Noto Sans JP", sans-serif;
}

a:hover {
  opacity: 0.8;
}

.header {
  padding: 20px 0;
  border-bottom: 1px solid #073D8C;
}
.header .logo {
  max-width: 200px;
  margin: 0 auto;
}

.bg {
  background: url(../image/bg-footer.jpg) no-repeat;
  background-position: left bottom;
  background-size: contain;
}

.main {
  padding: 0 20px;
  margin-bottom: 40px;
}
.main .side {
  margin-bottom: 30px;
}
.main .side .ttl {
  margin: 30px 0;
  padding-left: 10px;
  border-left: 5px solid #073D8C;
}
.main .side .ttl p {
  font-size: 16px;
  font-weight: 600;
}
.main .side .player_area {
  margin-bottom: 10px;
}
.main .side .player_area video {
  width: 100%;
}
.main .side .name_area {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #073D8C;
}
.main .side .name_area .t_name {
  font-size: 14px;
  font-weight: 600;
  color: #073D8C;
  margin-bottom: 5px;
}
.main .side .name_area .name {
  font-size: 18px;
  font-weight: 600;
}
.main .side .name_area .name span {
  font-size: 14px;
  color: #808080;
}
.main .side .btn a {
  font-size: 14px;
  color: #073D8C;
}
.main .side .btn a span {
  display: inline-block;
  width: 25px;
}
.main .cont .slide_image {
  margin-bottom: 10px;
}
.main .cont .navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #073D8C;
  margin-bottom: 40px;
}
.main .cont .navigation .n_l .prev_next_button a {
  display: inline-block;
  width: 30px;
}
.main .cont .navigation .n_r {
  display: flex;
  align-items: center;
}
.main .cont .navigation .n_r .slide_button a {
  display: inline-block;
  width: 60px;
}
.main .cont .navigation .n_r .slide_button_title {
  font-size: 14px;
}
.main .cont .sub_c .block {
  margin-bottom: 30px;
}
.main .cont .sub_c .block:last-child {
  margin-bottom: 0;
}
.main .cont .sub_c .block .sub_ttl {
  margin-bottom: 20px;
  padding-left: 5px;
  border-left: 5px solid #073D8C;
}
.main .cont .sub_c .block .sub_ttl p {
  font-size: 16px;
  font-weight: 600;
}
.main .cont .sub_c .block .shiro li {
  margin-bottom: 15px;
  padding-left: 20px;
  position: relative;
}
.main .cont .sub_c .block .shiro li::before {
  display: block;
  content: "";
  width: 15px;
  height: 20px;
  background: url(../image/icons8-pdf-80.png) no-repeat;
  background-size: contain;
  position: absolute;
  top: 0;
  left: 0;
}
.main .cont .sub_c .block .shiro li a {
  font-size: 14px;
  line-height: 1.3;
}
.main .cont .sub_c .block .note {
  font-size: 16px;
  line-height: 1.5;
}

.footer {
  padding: 10px 20px;
  background-color: #073D8C;
}
.footer .footer_menu {
  margin-bottom: 20px;
}
.footer .footer_menu li {
  margin-bottom: 10px;
}
.footer .footer_menu li:last-child {
  margin-bottom: 0;
}
.footer .footer_menu li a {
  font-size: 14px;
  color: #fff;
}
.footer .copy {
  font-size: 12px;
  color: #88B8FF;
}

@media screen and (min-width: 768px) {
  .sp {
    display: none;
  }
  .pc {
    display: block;
  }
  .header .wrap {
    max-width: 1280px;
    margin: 0 auto;
  }
  .header .logo {
    max-width: 240px;
    margin: 0;
  }
  .main {
    display: flex;
    max-width: 1280px;
    margin: 0 auto;
    margin-bottom: 80px;
    padding: 0;
  }
  .main .side {
    width: 40%;
    margin-right: 10px;
  }
  .main .side .ttl p {
    font-size: 20px;
  }
  .main .side .player_area {
    margin-bottom: 20px;
  }
  .main .side .name_area .t_name {
    font-size: 16px;
  }
  .main .side .name_area .name {
    font-size: 20px;
  }
  .main .side .btn a {
    font-size: 16px;
  }
  .main .side #scroll {
    width: 100%;
    height: 228px;
    border: solid 1px #aaaaaa;
    overflow: hidden;
    margin: 5px 0 0 0;
    overflow-y: scroll;
    float: left;
    padding: 0px;
    background-color: #fff;
  }
  .main .side #scroll #scrolldoc {
    position: relative;
    top: 0px;
    width: 100%;
    float: left;
    overflow: hidden;
  }
  .main .side #scroll #scrolldoc .page_list {
    width: 100%;
    font-size: 12px;
    float: left;
    line-height: 1.8em;
  }
  .main .side #scroll #scrolldoc .page_list div {
    padding-left: 10px;
    width: 100%;
  }
  .main .cont {
    margin-top: 80px;
    width: 60%;
  }
  .main .cont .sub_c .block .sub_ttl p {
    font-size: 20px;
  }
  .footer {
    padding: 20px 0;
  }
  .footer .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
  }
  .footer .footer_menu {
    display: flex;
    align-items: center;
    margin-bottom: 0;
  }
  .footer .footer_menu li {
    margin-bottom: 0;
    margin-right: 10px;
  }
}