@media screen and (min-width: 751px) {
  .mb60 {
    margin-bottom: 60px;
  }

  .under-link .under_anc a:hover,
  .under-lk a:hover {
    background-color: #fff000;
    color: #505050;
  }

  .under-lk a[target="_blank"]:hover {
    background: #8cdcf0;
    color: #fff;
  }

  .under-link .under_anc a:hover::after,
  .under-lk a:hover:after {
    border-color: transparent transparent #8cdcf0 transparent;
  }

  .under-lk a[target="_blank"]:hover:after {
    border-color: transparent transparent #fff000 transparent;
  }

  .under .ctm-fz {
    padding: 8px 20px 12px 40px !important;
  }

  .blog_item {
    margin: 0 72px 35px 0;
  }

  .blog_item:nth-child(3n + 3) {
    margin-right: 0;
  }

  .blog_des .ttl a:hover {
    text-decoration: underline;
  }

  .anchor_list li a:hover {
    border: solid 1px #fff000;
    background: #fff000;
    color: #505050;
  }

  .anchor_list li a:hover:after {
    border-top: solid 8px #8cdcf0;
  }

  .blog_post_item .post_ttl a:hover {
    text-decoration: underline;
  }

  .under #header {
    background: #fff;
  }

  .under #header .gnavi_ctn>li>a {
    color: #505050;
  }

  .under #header .gnavi_ctn>li>a:hover {
    color: #fff000;
  }

  .under .logo {
    top: 0;
  }

  .under .gnavi_ctn {
    top: 3px;
  }

  .under .gnavi_ctn>li:after {
    background: #505050;
  }

  .under_staff_item:hover {
    opacity: 0.7;
  }

  .under_staff_item:nth-child(3n + 3) {
    margin: 0;
  }

  .under .fix_letter {
    letter-spacing: 0.06em !important;
  }

  .under .fix_letter01 {
    letter-spacing: 0;
  }

  .blog_item:hover {
    opacity: 0.7;
  }

  .under-lk.ml0 a {
    margin-left: 0;
  }
}

@media screen and (max-width: 1440px) {
  .under-pickup .pick-box::before {
    transform: scale(0.9) translateY(-70%);
    transform-origin: top left;
  }
}

@media screen and (min-width: 751px) and (max-width: 1560px) {
  .anchor_list li {
    width: 32%;
  }

  .blog_item {
    width: 32%;
    margin: 0 2% 35px 0;
  }

  .under .section h3 {
    font-size: 36px;
  }

  .under .under-bx h4 {
    font-size: 30px;
  }

  .blog_cate_list.anchor_list li {
    width: 30%;
    margin: 10px;
  }
}

@media screen and (min-width: 751px) and (max-width: 1280px) {
  .under #mainvisual {
    margin: 60px 0 100px;
  }
}

@media screen and (min-width: 751px) and (max-width: 1080px) {
  .under #content {
    width: 100%;
    padding: 0 1%;
  }

  .under .sech3 .image-flex {
    margin: 0 0 0 100px;
  }

  .under .sech4 .image-flex {
    margin: 15px 0 0 80px;
  }

  .under section,
  .under .section {
    margin-bottom: 100px;
  }
}

@media screen and (max-width: 750px) {

  /************************* under ******************************/
  .image_r,
  .image_l {
    float: none;
    text-align: center;
    margin: 0 0 20px;
  }

  .image_c {
    width: 100%;
    margin: 0 0 30px;
  }

  .under .section,
  .under section {
    margin: 0 0 35px;
  }

  .tbl_scroll table {
    min-width: 640px;
    table-layout: fixed;
  }

  .tbl_scroll,
  .img_scroll {
    overflow-x: scroll;
  }

  .tbl_block {
    border-bottom: 1px solid #505050;
  }

  .tbl_block tr,
  .tbl_block th,
  .tbl_block td {
    display: block;
    width: 100% !important;
    border-bottom: none;
  }

  .under-topic {
    overflow-x: auto;
    margin-bottom: 20px;
  }

  .under-topic::-webkit-scrollbar {
    height: 0px;
  }

  .under-topic::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 990px;
  }

  .under-topic::-webkit-scrollbar-track {
    background: transparent;
  }

  .topic_path {
    flex-wrap: wrap;
  }

  .topic_path li {
    display: inline;
  }

  .under #mainvisual {
    margin-top: 70px;
    padding: 11vw 0;
    margin-bottom: 50px;
  }

  .under #mainvisual h1 {
    font-size: 5vw;
    line-height: 1.2;
  }

  .under #mainvisual h1 br {
    display: block;
  }

  .under #mainvisual::after {
    border-width: 40px 30px 0 30px;
  }

  .under #content {
    width: 100%;
    padding: 0 3%;
  }

  .under .under-bx h4,
  .under .under-bx h3.h4 {
    font-size: 4vw;
    letter-spacing: 2px !important;
    padding: 0 0 6px 28px;
    margin-bottom: 15px;
  }

  .under .under-bx h4::before,
  .under .under-bx h3.h4::before {
    top: 12px;
    width: 14px;
    height: 14px;
  }

  .under .under-bx h5 {
    font-size: 20px;
  }

  .under .under-bx .un-h5::before {
    content: "";
    top: 9px;
  }

  .under .under-list li::before {
    top: 10px;
  }

  .under .under-lk a {
    height: auto;
    letter-spacing: 0;
    padding: 20px 10px;
  }

  .under .under-frame {
    padding: 25px 17px;
  }

  .under .under-frame.frm-list {
    padding: 15px;
  }

  .under .under-frame::before {
    top: -35px;
  }

  .under .under-frame::after {
    bottom: -35px;
  }

  .under .under-frame h4 {
    font-size: 20px;
  }

  .under .under-frame h5 {
    margin-bottom: 15px;
  }

  .under .qa-list dl {
    padding: 10px 15px 15px;
  }

  .under .under-step dt {
    padding: 10px 10px 10px 87px;
  }

  .under .under-step dd {
    padding: 10px;
  }

  .under .section h2,
  .under .section .h2 {
    font-size: 4vw;
    margin-bottom: 20px;
  }

  .under .section h3,
  .under .section h2.h3 {
    font-size: 4vw;
    margin-bottom: 15px;
    padding: 10px 25px 10px 25px;
    letter-spacing: 2px;
  }

  .under .section:not(.sec-h2) p {
    font-size: 14px;
  }

  .under .sec-h2 P {
    font-size: 14px;
    padding: 0 30px;
  }

  .under .sech3 h3 {
    width: 100%;
  }

  .under .sech4 h4 {
    width: 100%;
  }

  .under .sech5 h5 {
    width: 100%;
  }

  .under .letter2 h4 {
    letter-spacing: 0.5px;
  }

  .under .d-flex {
    flex-wrap: wrap;
  }

  .under .sec-text {
    width: 100%;
  }

  .under .image-flex {
    width: 65%;
    margin: 0 auto 20px !important;
  }

  .under .image-flex img {
    width: 100%;
    max-width: 100%;
    object-fit: cover;
  }

  .under .sec-wrap .col {
    width: 50%;
    padding: 7.5px;
  }

  .under .sec-wrap .cols {
    margin: -7.5px;
  }

  .under .sec-wrap .sec-img {
    margin-bottom: 10px;
  }

  .under-box .col {
    padding: 7.5px;
    width: 50%;
  }

  .under-box .cols {
    margin: -7.5px;
  }

  .under-box .under-item {
    padding: 15px;
  }

  .under-box .under-tt,
  .under-box .under-item h5 {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 5px;
  }

  .under-box .under-desc {
    font-size: 14px;
  }

  .under-box .under-img {
    margin-bottom: 15px;
  }

  .under-pickup {
    margin-top: 40px;
    padding: 40px 0;
  }

  .under-pickup .pick-box {
    padding: 20px;
  }

  .under-pickup .pick-box::before {
    transform: scale(0.4);
    transform-origin: top left;
    left: -2%;
    top: -55px;
  }

  .under-pickup .pick-img {
    width: 65%;
    margin: 0 auto 20px;
    float: none;
  }

  .under-pickup .pick-tt {
    font-size: 4vw;
    letter-spacing: 1px;
  }

  .under-pickup .pick-text {
    width: 100%;
    margin-top: 15px;
  }

  .under-pickup .pick-desc {
    font-size: 14px;
    margin-top: 8px;
  }

  .under-link {
    padding: 0;
    margin: 40px 0;
  }

  .under-link .lk-tt {
    font-size: 5vw;
    margin-bottom: 5px;
  }

  .under-link .lk-desc {
    font-size: 2.7vw;
  }

  .under-link .lk-head {
    margin-bottom: 30px;
  }

  .under-link .under_anc li {
    margin: 0 10px 15px;
  }

  .under-link .under_anc a {
    width: 330px;
    height: 54px;
    font-size: 14px;
  }


  /*Overnotes*/
  .blog_item,
  .under_staff_item {
    width: calc(50% - 10px);
    margin: 0 5px 30px;
  }

  .anchor_list li {
    width: 48%;
    margin: 10px 5px;
  }

  .blog_cate_list.anchor_list {
    margin-bottom: 35px;
  }

  /************************ end under ************************/
}

@media screen and (max-width: 500px) {

  /************************* under ******************************/
  .under #mainvisual {
    padding: 45px 0;
  }

  .under #mainvisual::after {
    border-width: 30px 30px 0 30px;
  }

  .under #mainvisual h1 {
    font-size: 22px;
  }

  .under .section h2 {
    font-size: 24px;
    margin-bottom: 15px;
    letter-spacing: 1px;
  }

  .under .section h3 {

    letter-spacing: 0px !important;
    font-size: 21px;
    line-height: 1.4;
  }

  .under .section h4,
  .under .section h3.h4 {
    padding-left: 15px;
    font-size: 20px;
    letter-spacing: 1px;
  }

  .under .section h4::before,
  .under .section h3.h4::before {
    width: 10px;
    height: 10px;
    top: 10px;
  }

  .under .section h5 {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .under .section .letter1 {
    letter-spacing: 1px;
  }

  .under .section .letter0 {
    letter-spacing: 0px;
  }

  .under .sec-h2 p {
    padding: 0 10px;
    line-height: 2;
  }

  .under .under-list li::before {
    width: 6px;
    height: 6px;
  }

  .under .under-frame {
    padding: 25px 17px;
  }

  .under .under-frame h4 {
    font-size: 15px;
  }

  .under .under-bx .un-h5 {
    padding-left: 0;
    font-size: 20px;
    margin-bottom: 15px;
  }

  .under-box .col {
    width: 100% !important;
  }

  .under-pickup .pick-box {
    padding: 15px;
  }

  .under-pickup .pick-tt {
    font-size: 18px;
  }

  .under-link .lk-tt {
    font-size: 22px;
  }

  .under-link .lk-desc {
    font-size: 16px;
  }

  .under-link .under_anc li {
    width: 80%;
  }

  .under-link .under_anc a {
    width: 100%;
    height: auto;
    padding: 15px 20px;
    line-height: 1.5em;
  }

  .ft-15 {
    font-size: 15px !important;
  }

  .note {
    font-size: 11px !important;
  }


  .anchor_list li {
    width: 90%;
    margin: 0 auto 15px;
  }

  .anchor_list li:last-child {
    margin: 0 auto;
  }

  .blog_item {
    width: 90%;
  }

  .blog_des {
    padding: 60px 20px 26px;
  }

  .blog_post_item .post_date {
    margin-right: 10px;
  }

  .blog_post_item .post_date {
    padding: 5px 3px 3px;
  }

  .blog_post_item .post_ttl {
    top: 0;
  }

  .blog_detail_img img {
    max-height: 450px;
  }

  .under_staff_list {
    flex-wrap: wrap;
  }

  .under_staff_item {
    width: 75%;
    margin: 0 auto 30px;
  }

  .under_staff_item:last-child {
    margin: 0 auto;
  }

  .under_staff_item .date {
    margin-bottom: 0;
    line-height: 1.5em !important;
  }

  .under_staff_item .ttl {
    font-size: 18px !important;
  }

  .blog_item {
    width: 75%;
    margin: 0 auto 30px;
  }

  .under .image-flex {
    width: 100%;
  }

  .mouthpiece_sec .under-lk {
    margin-bottom: 60px;
  }

  /************************ end under ************************/
}

@media screen and (max-width: 520px) {
  .under-box-link {
    padding: 10px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .under-box-link .txt {
    width: 100%;
    text-align: center;
    padding: 0;
    margin-bottom: 10px;
  }

  .under-box-link .img {
    width: 100%;
    text-align: center;
  }
}

@media screen and (max-width: 425px) {

  /************************* under ******************************/
  .under_staff_item {
    width: 100%;
  }

  .blog_item {
    width: 100%;
  }

  .under-link .under_anc li {
    width: 100%;
  }

  .under-link .under_anc a {
    padding: 15px 10px;
  }

  .under-link .under_anc a::after {
    border-width: 0 0 12px 12px;
  }

  .under-pickup .pick-img {
    width: 100%;
  }

  /************************ end under ************************/
}

@media screen and (max-width: 414px) {
  /************************* under ******************************/
  /************************ end under ************************/
}

@media screen and (max-width: 375px) {

  /************************* under ******************************/
  .note {
    font-size: 10px;
  }

  .under .section h4,
  .under .section h3.h4 {
    font-size: 20px;
  }

  .under .section h5 {
    font-size: 18px;
  }

  .under .section h5::before {
    top: 7px;
  }

  /************************ end under ************************/
}

@media screen and (max-width: 320px) {
  /************************* under ******************************/
  /************************ end under ************************/
}