.course {
  padding: 74px 0 0;
  overflow-x: clip;
  @media screen and (min-width: 769px) {
    padding: 145px 0 0;
  }
}
:where(.course) {
  .course__head {
    color: #FFF;
    font-weight: bold;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top;
    position: relative;
    @media screen and (min-width: 769px) {
      margin-bottom: 87px;
      height: calc(var(--vw) * 489);
      padding: calc(var(--vw) * 135) calc(var(--vw) * 650) 0 calc(var(--vw) * 129);
      background-image: url("../../images/course/bg_course-jun.webp");
    }
    @media screen and (max-width: 1253px) {
      padding: calc(var(--vw) * 70) calc(var(--vw) * 650) 0 calc(var(--vw) * 78);
    }
    @media screen and (max-width: 1000px) {
      padding: calc(var(--vw) * 39) calc(var(--vw) * 650) 0 calc(var(--vw) * 98);
    }
    @media screen and (max-width: 768px) {
      padding: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: calc(var(--vw) * 665);
      background-image: url("../../images/course/bg_course-jun-sp.webp");
      margin-bottom: 60px;
    }
  }
  .course__head-image {
    position: absolute;
    @media screen and (min-width: 769px) {
      width: min(412px, calc(var(--vw) * 412));
      top: calc(var(--vw) * 108);
      left: calc(var(--vw) * 344);
    }
    @media screen and (max-width: 1458px) {
      top: calc(var(--vw) *  70);
      width: min(350px, calc(var(--vw) * 350));
      left: calc(var(--vw) * 389);
    }
    @media screen and (max-width: 1253px) {
      top: calc(var(--vw) * 76);
      left: calc(var(--vw) * 395);
      width: min(300px, calc(var(--vw) * 300));
    }
    @media screen and (max-width: 768px) {
      top: calc(var(--vw) * 52);
      left: 0;
      width: 100%;
    }
  }
  .course__title {
    position: relative;
    font-weight: bold;
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 38);
      letter-spacing: 3.8px;
      padding-left: 47px;
      margin-bottom: 33px;
    }
    @media screen and (max-width: 1253px) {
      margin-bottom: 15px;
    }
    @media screen and (max-width: 1000px) {
      font-size: calc(var(--rem) * 20);
      letter-spacing: 2px;
      margin-bottom: 0;
    }
    @media screen and (max-width: 768px) {
      font-size: calc(var(--rem) * 22);
      letter-spacing: 2.2px;
      padding-left: 35px;
      margin-bottom: 23px;
      padding: 0 calc(var(--vw) * 38) 0 calc(var(--vw) * 70);
    }
    &::before {
      position: absolute;
      top: 56%;
      transform: translateY(-50%);
      content: "";
      display: inline-block;
      background-size: cover;
      background-repeat: no-repeat;
      background-position: top;
      background-image: url("../../images/icon_check.svg");
      @media screen and (max-width: 768px) {
        width: 26px;
        height: 25px;
        left: calc(var(--vw) * 35);
      }
      @media screen and (min-width: 769px) {
        width: 32px;
        height: 31px;
        left: 0;
      }
    }
  }
  .course__sub-title {
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 23);
      letter-spacing: 2.3px;
      line-height: 36px;
      margin-bottom: 16px;
    }
    @media screen and (max-width: 1253px) {
      font-size: calc(var(--rem) * 18);
      letter-spacing: 1.8px;
    }
    @media screen and (max-width: 1000px) {
      font-size: calc(var(--rem) * 15);
      letter-spacing: 1.5px;
      margin-bottom: 0;
    }
    @media screen and (max-width: 768px) {
      font-size: calc(var(--rem) * 18);
      letter-spacing: 1.8px;
      line-height: 30px;
      margin-bottom: 20px;
      padding: 0 calc(var(--vw) * 30) 0 calc(var(--vw) * 38);
    }
  }
  .course__desc {
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 14);
      letter-spacing: 1.4px;
      line-height: 28px;
    }
    @media screen and (max-width: 1253px) {
      font-size: calc(var(--rem) * 12);
      letter-spacing: 1.2px;
    }
    @media screen and (max-width: 1000px) {
      font-size: calc(var(--rem) * 11);
      letter-spacing: 1.1px;
    }
    @media screen and (max-width: 768px) {
      padding: 0 calc(var(--vw) * 30) 0 calc(var(--vw) * 38);
      margin-bottom: 42px;
      font-size: calc(var(--rem) * 13);
      letter-spacing: 1.3px;
      line-height: 28px;
    }
  }
  .course__content {
    padding: 0 25px 70px 25px;
    @media screen and (min-width: 769px) {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 25px 150px 25px;
    }
  }
  .course__content-title {
    font-weight: bold;
    font-size: calc(var(--rem) * 18);
    letter-spacing: 1.8px;
    margin-bottom: 45px;
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 33);
      letter-spacing: 3.3px;
      margin-bottom: 82px;
      text-align: center;
    }
  }
  .course__point-list {
    display: flex;
    flex-direction: column;
    gap: 80px;
    @media screen and (min-width: 769px) {
      gap: 100px;
    }
  }
  .course__point-item {
    display: flex;
    align-items: center;
    @media screen and (max-width: 768px) {
      flex-direction: column;
    }
    @media screen and (min-width: 769px) {
      justify-content: space-between;
      gap: min(60px, calc(var(--vw) * 60));
    }
  }
  .course__point-title {
    font-weight: bold;
    @media screen and (max-width: 768px) {
      font-size: calc(var(--rem) * 18);
      letter-spacing: 1.8px;
      line-height: 28px;
    }
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 25);
      letter-spacing: 2.5px;
      line-height: 52px;
    }
  }
  .course__point-desc {
    color: #454545;
    font-weight: bold;
    font-size: calc(var(--rem) * 13);
    letter-spacing: 1.3px;
    line-height: 25px;
    @media screen and (min-width: 769px) {
      margin-top: 36px;
      line-height: 28px;
    }
    .underline {
      position: relative;
      display: inline;
      overflow: hidden;
      -webkit-box-decoration-break: clone;
      box-decoration-break: clone;
      --h: 1em;
      --time: .8s;
      background-image: linear-gradient(90deg, #FFE4E9, #FFE4E9);
      background-repeat: no-repeat;
      background-position: left calc(100%);
      background-size: 0% var(--h);
      transition: background-size var(--time) 
cubic-bezier(.35, 0, 0, 1), color var(--time) 
cubic-bezier(.35, 0, 0, 1);
      padding-bottom: 3px;
      &.is-shown {
        background-size: 100% var(--h);
      }
    }
  }
  .course__point-image {
    @media screen and (max-width: 768px) {
      margin-bottom: 25px;
      margin-top: 25px;
    }
    @media screen and (min-width: 769px) {
      width: min(513px, calc(var(--vw) * 513));
    }
  }
  .course__point-note {
    display: flex;
    @media screen and (max-width: 768px) {
      flex-direction: column;
      border: #004F92 2px solid;
      border-left: #004F92 15px solid;
      margin: 0 -25px;
      padding: 46px 0 46px 28px;
      gap: 20px;
    }
    @media screen and (min-width: 769px) {
      gap: 18px;
      border: #004F92 2px solid;
      border-left: #004F92 30px solid;
      padding: 52px 58px;
    }
  }
  .course__point-note-title {
    font-weight: bold;
    font-size: calc(var(--rem) * 18);
    letter-spacing: 1.8px;
    margin-bottom: 38px;
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 24);
      letter-spacing: 2.4px;
      margin-bottom: 30px;
    }
  }
  .course__point-note-desc {
    font-weight: bold;
    color: #454545;
    @media screen and (max-width: 768px) {
      font-size: calc(var(--rem) * 13);
      letter-spacing: 1.3px;
      line-height: 28px;
      padding-right: 20px;
      display: block;
    }
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 14);
      letter-spacing: 1.4px;
      line-height: 28px;
    }
    .strong {
      color: #004F92;
    }
  }
  .course__point-note-image-wrap {
    @media screen and (max-width: 768px) {
      overflow-x: scroll;
    }
  }
  .course__point-note-image {
    width: calc(var(--vw) * 526);
    @media screen and (min-width: 769px) {
      width: min(416px, calc(var(--vw) * 416));
    }
  }
  .course__subject {
    background-repeat: repeat;
    flex-direction: column-reverse;
    background-size: contain;
    background-position: top;
    background-image: url("../../images/bg_line.webp");
    /* margin-bottom: 41px; */
    @media screen and (min-width: 769px) {
      padding: 65px 131px 78px;
      /* margin-bottom: 91px; */
    }
  }
  .course__subject-inner {
    display: flex;
    flex-direction: column;
    @media screen and (max-width: 768px) {
      padding: 25px 20px;
      gap: 43px;
    }
    @media screen and (min-width: 769px) {
      max-width: 1250px;
      gap: 95px;
      margin: 0 auto;
    }
  }
  .course__subject-info + .course__subject-lead {
    @media screen and (min-width: 769px) {
      margin-top: 18px;
    }
  }
  .course__subject-item {
    background: #FFF;
    border: 3px solid #004F92;
    @media screen and (max-width: 768px) {
      padding: 30px 20px;
    }
    @media screen and (min-width: 769px) {
      border: 3px solid #004F92;
      padding: 61px;
    }
  }
  .course__subject-info {
    font-weight: bold;
    display: inline-block;
    @media screen and (max-width: 768px) {
      margin-bottom: 15px;
    }
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 15);
      letter-spacing: 1.5px;
       margin-bottom: 18px;
    }
  }
  .course__subject-title-en {
    color: #99D2E9;
    text-align: center;
    font-weight: bold;
    font-family: 'Geograph';
    font-size: calc(var(--rem) * 12);
    letter-spacing: 1px;
    margin-bottom: 5px;
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 13);
      letter-spacing: 1.3px;
      margin-bottom: 15px;
    }
  }
  .course__subject-title {
    text-align: center;
    font-weight: bold;
    font-size: calc(var(--rem) * 17);
    letter-spacing: 1px;
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 35);
      letter-spacing: 3.5px;
      margin-bottom: 44px;
    }
  }
  .course__subject-image {
    @media screen and (max-width: 768px) {
      margin-bottom: 20px;
    }
    @media screen and (min-width: 769px) {
      width: min(449px, calc(var(--vw) * 449));
    }
  }
  .course__subject-lead {
    @media screen and (max-width: 768px) {
      font-size: calc(var(--rem) * 18);
      letter-spacing: 1.8px;
      line-height: 28px;
      margin-bottom: 20px;
    }
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 22);
      letter-spacing: 2.2px;
    }
  }
  .course__subject-content {
    display: flex;
    align-items: center;
    @media screen and (max-width: 768px) {
      flex-direction: column;
      border-top: 1.5px dotted #91C4DF;
      padding: 30px 0 0 0;
    }
    @media screen and (min-width: 769px) {
      gap: min(77px, calc(var(--vw) * 77));
    }
    &.youtube {
      justify-content: center;
      iframe {
        @media screen and (max-width: 768px) {
          width: 100%;
          height: calc(var(--vw) * 167);
        }
      }
    }
  }
  .course__table {
    margin-top: 27px;
    @media screen and (min-width: 769px) {
      margin-top: 32px;
      width: 297px;
    }
  }
  .course__subject-content.youtube {
    @media screen and (max-width: 768px) {
      border-top: none;
      margin-top: 0 !important;
    }
  }
  .course__subject-content:first-child {
    @media screen and (max-width: 768px) {
      border: none;
    }
  }
  .course__subject-lead {
    font-weight: bold;
    @media screen and (min-width: 769px) {
      margin-bottom: 16px;
      font-size: calc(var(--rem) * 22);
      letter-spacing: 2.2px;
    }
  }
  .course__subject-desc {
    font-weight: bold;
    color: #454545;
    font-size: calc(var(--rem) * 13);
    letter-spacing: 1.3px;
    line-height: 25px;
    @media screen and (min-width: 769px) {
      line-height: 28px;
    }
    .underline {
      position: relative;
      display: inline;
      overflow: hidden;
      -webkit-box-decoration-break: clone;
      box-decoration-break: clone;
      --h: 1em;
      --time: .8s;
      background-image: linear-gradient(90deg, #FFE4E9, #FFE4E9);
      background-repeat: no-repeat;
      background-position: left calc(100%);
      background-size: 0% var(--h);
      transition: background-size var(--time) 
cubic-bezier(.35, 0, 0, 1), color var(--time) 
cubic-bezier(.35, 0, 0, 1);
      padding-bottom: 3px;
      &.is-shown {
        background-size: 100% var(--h);
      }
    }
  }
  .course__subject-content + .course__subject-content {
    margin-top: 50px;
    @media screen and (min-width: 769px) {
      margin-top: 46px;
    }
  }
  .course__intro {
    display: flex;
    @media screen and (max-width: 768px) {
      flex-direction: column;
      padding-left: 25px;
    }
    @media screen and (min-width: 769px) {
      max-width: 1086px;
      margin: 0 auto;
      justify-content: center;
      align-items: center;
      gap: min(72px, calc(var(--vw) * 72));
    }
  }
  .course__intro-title {
    font-weight: 600;
    font-size: calc(var(--rem) * 16);
    letter-spacing: 1.6px;
    margin-bottom: 14px;
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 25);
      letter-spacing: 2px;
      margin-bottom: 33px;
    }
  }
  .course__intro-desc {
    font-weight: 600;
    color: #454545;
    display: block;
    @media screen and (max-width: 768px) {
      font-size: calc(var(--rem) * 13);
      letter-spacing: 1.3px;
      line-height: 30px;
      padding-right: 25px;
      margin-bottom: 25px;
    }
    @media screen and (min-width: 769px) {
      font-size: calc(var(--rem) * 14);
      letter-spacing: 1.4px;
      line-height: 30px;
    }
  }
  .course__intro-image {
    width: calc(var(--vw) * 623);
    @media screen and (min-width: 769px) {
      width: min(623px, calc(var(--vw) * 623));
    }
  }
  .course__intro-image-wrap {
    @media screen and (max-width: 768px) {
      overflow-x: scroll;
    }
  }
}
:where(.course.ele) {
  .course__table {
    @media screen and (min-width: 769px) {
      width: min(464px, calc(var(--vw) * 464));
    }
  }
  .course__head {
    background-image: url("../../images/course/bg_course-ele.webp");
    padding-top: calc(var(--vw) * 123);
    @media screen and (max-width: 768px) {
      padding-top: calc(var(--vw) * 101);
      height: calc(var(--vw) * 784);
      background-image: url("../../images/course/bg_course-ele-sp.webp");
    }
    @media screen and (max-width: 1458px) {
      padding-top: calc(var(--vw) *  70);
    }
  }
  .course__desc {
    @media screen and (max-width: 768px) {
      margin-bottom: 20px;
    }
  }
  .course__sub-title {
    @media screen and (max-width: 768px) {
      margin-bottom: 28px;
    }
  }
}