.begin {
    font-family: "Noto Sans Japanese", "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, メイリオ, Meiryo, serif;
}
.begin_title {
    margin-top: 80px;
    padding: 10px;
    border: 1px solid #878785;
    margin-bottom: 20px;
}
.begin_title h2 {
    background: #878785;
    padding: 10px 120px;
    text-align: center;
    margin-bottom: 30px;
}
.begin_title p {
    font-size: 21px;
    text-align: center;
    font-weight: bold;
}
.begin_title p img {
    width: 206px;
}
@media (max-width: 767px) {
    .begin_title {
        margin-top: 0;
    }
    .begin_title h2 {
        padding: 10px 20px 0;
        margin-bottom: 20px;
    }
}

.begin .tab ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

.begin .tab li {
  padding: 8px 16px;
  cursor: pointer;
  border: 1px solid #515151;
  border-bottom: none;
  background: #878785;
  border-radius: 7px 7px 0 0;
  color: #fff;
  margin-bottom: -1px;
}

.begin .tab li.active {
  background: #fff;
  font-weight: bold;
  color: #000;
  border-bottom: 1px solid #fff;
}

.begin .tab-content {
  display: none;
  border: 1px solid #8E8E8E;
  padding: 5px;
  background: #fff;
  padding-bottom: 40px;
}

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

.begin .tab-content .begin_main_img {
    width: 100%;
    height: auto;
}
.begin .tab-content .item_content {
    padding: 20px 40px 80px;
}
.begin .tab-content .col3 {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}
.begin .tab-content .col3 .col {
    width: 32%;
}
.begin .tab-content .col3 .col h4 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}
.begin .tab-content .item22 .col3 .col {
    width: 48%;
}
.begin .tab-content .nosepad .item_content {
    padding: 20px 20px 80px 0px;
}
.begin .tab-content .nosepad .col3 .col {
    width: 48%;
}
.begin .tab-content .nosepad .col3 .col h3 {
    position: relative;
    font-size: 48px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    z-index: 10;
}
.begin .tab-content .nosepad .col3 .col h3:before {
    content: "";
    display: block;
    position: absolute;
    top: -3px;
    left: -3px;
    background: url(../../img/features/begin_100basics/b_icon.png) no-repeat;
    background-size: contain;
    width: 75px;
    height: 71px;
    z-index: -2;
}

@media (max-width: 767px) {
    .begin .tab-content .item_content {
        padding: 20px 20px 60px;
    }
    .begin .tab-content .col3 {
        display: block;
    }
    .begin .tab-content .col3 .col {
        width: 100%!important;
        margin-bottom: 20px;
    }
    .begin .tab-content .col3 .col h4 {
        font-size: 20px;
        line-height: 1.6;   
    }
    .begin .tab-content .nosepad .item_content {
        padding: 20px 10px 60px;
    }
    .begin .tab-content .nosepad .col3 .col h3 {
        font-size: 36px;
    }
}

.begin .tab-content .interview .interview_main {
    margin-bottom: 40px;
}
.begin .tab-content .interview .right_img {
    float: right;
    width: 267px;
    height: auto;
}
.begin .tab-content .interview .interview_person {
    background: #CCCCCC;
    padding: 20px;
    display: flex;
    justify-content: space-between;
}
.begin .tab-content .interview .interview_person .interview_person_text h4 {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.4;
    margin-bottom: 10px;
}
.begin .tab-content .interview .interview_person .interview_person_img {
    width: 36%;
}
.begin .tab-content .interview .interview_person .interview_person_img img {
    width: 100%;
    height: auto;
}
.begin .tab-content .interview .interview_person .interview_person_text {
    width: 61%;
}
@media (max-width: 767px) {
    .begin .tab-content .interview .right_img {
        float: none;
        width: 100%;
        height: auto;
        margin-bottom: 10px;
    }
    .begin .tab-content .interview .interview_person {
        display: block;
    }
    .begin .tab-content .interview .interview_person .interview_person_img {
        width: 100%;
        margin-bottom: 10px;
    }
    .begin .tab-content .interview .interview_person .interview_person_text {
        width: 100%;
    }
}

.begin .accordion-title {
    display: none;
}

/* スマホ アコーディオン */
@media (max-width: 767px) {
  .begin .tab {
    display: none; /* タブは非表示 */
  }

  .begin .accordion-title {
    display: block;
    background: #f5f5f5;
    padding: 15px;
    margin: 0;
    cursor: pointer;
    border-bottom: 1px solid #ccc;
    font-weight: bold;
    font-size: 18px;
  }

  .begin .inner {
    display: none;
    padding: 15px;
    border-bottom: 1px solid #ccc;
  }
  .begin section.active .inner {
    display: block;
  }

  /* アコーディオン見た目 */
  .begin .tab-content {
    display: block;
    border: none;
    margin-bottom: 8px;
    border-top: 1px solid #ccc;
    padding-bottom: 0;
  }

  .begin .tab-content::before {
    content: attr(id);
    display: block;
    background: #f0f0f0;
    padding: 10px;
    cursor: pointer;
    border: 1px solid #ccc;
  }

  .begin .tab-content .inner {
    display: none;
    padding: 5px;
    background: #fff;
    border: 1px solid #ccc;
    border-top: none;
  }

  .begin .tab-content.open .inner {
    display: block;
  }

  .begin .tab-content::before {
    display: none;
  }
}
