@charset "UTF-8";

.system {
  margin-top: 130px;
}

@media screen and (max-width: 768px) {
  .system {
    margin-top: 50px;
  }
}

.section-title-wrapper {
  text-align: center;
}

.title-image {
  display: block;
  margin: 0 auto 18px; /* 下に余白をつける */
  max-width: 377px;
  width: 100%;
}

@media screen and (max-width: 768px) {
  .title-image {
    max-width: 265px;
  }
}

.section-title {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: 1.5px;
}

@media screen and (max-width: 768px) {
  .section-title {
    font-size: 20px;
    letter-spacing: 1px;
  }
}


.tab-container {
  width: 100%;
  max-width: 1060px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 106px;
  margin-bottom: 30px;
  /* margin-bottom: 140px; */
}

@media screen and (max-width: 768px) {
  .tab-container {
    margin-top: 56px;
    margin-bottom: 100px;
    /* overflow: hidden; */
  }
}

.tabs {
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: flex-end;
  height: 70px;
}

@media screen and (max-width: 1100px) {
  .tabs {
    width: 80%;
    padding-right: 40px;
  }
}

@media screen and (max-width: 768px) {
  .tabs {
    height: 50px;
    padding-right: 0;
    width: 97.5%;
  }
}

.tab-link {
  flex: 1;
  height: 55px;
  padding: 5px 20px;
  text-align: center;
  cursor: pointer;
  background: #898989;
  border: 3px solid #000;
  border-bottom: none;
  border-radius: 20.161px 20.161px 0px 0px;
  font-size: 30px;
  font-weight: 900;
  line-height: normal;
  letter-spacing: 1.5px;
  transition: all 0.3s;
  margin-right: -3px; /* 追加 */
}

@media screen and (max-width: 768px) {
  .tab-link {
    height: 40px;
    font-size: 20px;
    font-weight: 700;
    line-height: 37px; /* 185% */
    padding: 2px 10px;
    border-radius: 20px 20px 0px 0px;
    border: 1.5px solid #000;
  }
}

@media screen and (max-width: 768px) {
  .tab-link:nth-child(1) {
    border-radius: 20px 20px 0px 0px;
  }
}

.tab-link.active {
  height: 70px;
  padding: 14px 20px;
  background: #FFF100;
  font-weight: bold;
  border-radius: 20px 20px 0px 0px;
}

/* .tab-link:nth-child(2).active {
  border-radius: 20px 20px 0px 0px;
} */

@media screen and (max-width: 768px) {
  .tab-link.active {
    height: 50px;
    padding: 6px 10px;
  }
}

@media screen and (max-width: 768px) {
  .tab-link:nth-child(2).active {
    border-radius: 20px 20px 0px 0px;
  }
}

.tab-content {
  display: none;
  padding-top: 20px;
  border-top: none;
  border-top: 3px solid #000;
}

@media screen and (max-width: 768px) {
  .tab-content {
    padding-top: 0px;
    border-top: none;
  }
}

.tab-content.active {
  display: block;
}

.tsugaku__inner {
  padding-left: 20px;
  padding-right: 40px;
}

@media screen and (max-width: 768px) {
  .tsugaku__inner {
    padding-right: 20px;
  }
}

.tsushin__inner {
  padding-left: 20px;
  padding-right: 40px;
}

@media screen and (max-width: 768px) {
  .tsushin__inner {
    padding-right: 20px;
  }
}

.offline-image-pc {
  width: 100%;
  margin-top: 20px;
}

.online-image-pc {
  width: 100%;
  margin-top: 0px;
}

@media screen and (max-width: 768px) {
  .online-image-sp {
    width: 100%;
    height: auto;
    /* max-width: 100%;
      width: auto;
      height: auto; */
    margin-top: -200px;
  }
}

@media screen and (max-width: 600px) {
  .online-image-sp {
    margin-top: -150px;
  }
}

@media screen and (max-width: 460px) {
  .online-image-sp {
    margin-top: -100px;
  }
}

@media screen and (max-width: 330px) {
  .online-image-sp {
    margin-top: -70px;
  }
}

@media screen and (max-width: 768px) {
  .offline-image-sp {
    width: 100%;
    /* margin-top: -100px; */
  }
}