@media screen and (min-width: 751px) {
  .under #content .pdb_40pc {
    padding-bottom: 40px;
  }
  .under #content .pdb_80pc {
    padding-bottom: 80px;
  }
  .under #content .pdb_100pc {
    padding-bottom: 100px;
  }
  .under #content .f34_pc {
    font-size: 34px;
  }
  .under #content .image_l {
    float: left;
    margin: 0 50px 0 0;
  }
  .under #content .image_r {
    float: right;
    margin: 0 0 0 50px;
  }
  .under #content .box_bnn .btn_ite_tt.bnn_ite_sm_02 {
    font-size: 23px;
  }
  .box_sp {
    display: none;
  }
  .flex_pc {
    display: flex;
  }
  .flex_center_pc {
    display: flex;
    justify-content: center;
  }
  .flex_center_pc > * {
    margin: 10px;
  }
  .ttl_r, .ttl_l {
    width: 500px;
  }
  .box_pickup .ttl_r, .box_pickup .ttl_l {
    width: 610px;
  }
  .ttl_r {
    float: right;
  }
  .ttl_l {
    float: left
  }
  .under #content .nowrap_pc {
    white-space: nowrap;
  }
  .under #content .f23_pc {
    font-size: 23px !important;
  }
  .under #main .box_pickup_img {
    margin-right: -165px;
    margin-top: -25px;
  }
  .under #main h4.ttl_l, .under #main h4.ttl_r {
    margin-top: 50px;
  }
  .under #main h4.sm::before {
    top: -10px;
  }
  .under #content .frame01 .list01 li:not(:last-child) {
    margin-bottom: 16px;
  }
  .under h3.mb10 {
    margin-bottom: 13px;
  }
  .under #content .box_pickup_img.image_r {
    margin-left: 50px;
  }
  .under #content .box_pickup_img.image_l {
    margin-right: 50px;
  }
  .under #content .box_pickup {
    padding: 95px 0 74px;
  }
  .under #content .step_list dl {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .under #content .step_list dt {
    width: 784px;
    padding: 30px 150px 67px 40px;
    flex-shrink: 0;
  }
  .under #content .step_list dd {
    flex-shrink: 0;
    width: 300px;
    margin-left: -84px;
  }
  .under #content .box_2col .box_2col_img {
    margin-bottom: 10px;
  }
  .under #content .box_bnn {
    display: flex;
    flex-wrap: wrap;
    padding: 63px 0 80px;
  }
  .under #content .anchor_link li:not(:last-child) {
    margin-right: 30px;
  }
  .under #content .streng_list li {
    line-height: 1.35;
    font-size: 18px;
  }
  .under #main #content .author_pick {
    margin-bottom: 50px;
   margin-right: 0;
  }
  /*HOVER PC*/
  .under #content a:not([target="_blank"]):hover {
    text-decoration: underline;
  }
  .under #content .box_bnn li a {
    transition: all 0.3s;
    text-decoration: none !important;
  }
  .under #content .box_bnn li a:not([target="_blank"]):hover {
    transform: translateY(-5px);
    box-shadow: 0 0 10px #ccc;
    text-decoration: none;
  }
  .under #topic_path li a:hover {
    border-color: #fff;
    opacity: 0.8;
    text-decoration: none;
  }
  .under #content .anchor_link li:nth-child(3n+3) {
    margin-right: 0;
  }
  .under #content .anchor_link li:nth-child(n+4) {
    margin-top: 10px;
  }
  .under #content .under_btn01 a:not([target="_blank"]):hover, .under #content .anchor_link li a:hover {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
    text-decoration: none;
  }
  .under #content .under_btn01 a:not([target="_blank"]):hover:before, .under #content .anchor_link li a:hover:before {
    
    background: url("../images/ic-right.png") no-repeat center /cover;
  }
  .under #content .tb_news > a:hover {
    opacity: 0.8;
    text-decoration: none;
  }
  .under #content .tb_news > a img {
    transition: 0.5s all;
  }
  .under #content .tb_news > a:hover img {
    transform: scale(1.1);
  }
  .under #main .post-button .prevPage, .under #main .post-button .nextPage {
    position: absolute;
    top: 0;
    left: 0;
  }
  .under #main .post-button .nextPage {
    left: inherit;
    right: 0;
  }
  .under #main .post-button a:hover {
    background: var(--yellow);
    text-decoration: none;
  }
}
@media screen and (max-width: 750px) {
  .gg_map_r  iframe{max-width: 100%;}
  .box_pc {
    display: none;
  }
  .under #main {
    margin-bottom: 50px;
  }
  .under #main .inner01 {
    padding: 0;
  }
  .center_sp {
    margin-left: auto;
    margin-right: auto;
  }
  /*section*/
  .under .section {
    margin: 0 0 50px;
    box-sizing: border-box;
  }
  .under #content p {
    line-height: 1.8em;
    margin-bottom: 1.8em;
  }
  .under #content .image_r, .under #content .image_l {
    float: none;
    width: 100%;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
  .under #content .frame01 .image_l, .under #content .frame01 .image_r {
    margin: 0 auto 25px;
  }
  .under .content_box {
    padding: 20px;
    margin-bottom: 40px;
  }
  .under #content .content_box p {
    font-size: 15px;
  }
  .under #content .content_box .image_l, .under #content .content_box .image_r {
    margin: 0 auto 20px;
    transform: none;
  }
  .under .content_box .float, .under .content_box .title_box {
    width: 100%;
    display: block;
  }
  /*top_info*/
  .under #top_info {
    padding-top: 0;
    background-color: transparent;
    background-position: center;
    background-size: 750px;
    position: relative;
  }
  .under #top_info::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 50px;
    background-color: #f8f8f3;
    bottom: 0;
    left: 0;
    z-index: -1;
    opacity: 1;
    visibility: visible;
  }
  .under #top_info .inner {
    padding: 0 3%;
    height: 150px;
  }
  .under #main #topic_path {
    padding: 0 0 20px 0;
  }
  .under #content .streng_list li:not(:last-child) {
    margin-right: 20px;
  }
  .under #top_info .inner::after {
    width: 100vw;
    left: -3%;
    height: 7vw;
    background: url('../images/u_box_h3_bg.png') no-repeat center /cover;
  }
  /*<h2> - <h3> - <h4> - <h5> - <h6>*/
  .under h2 {
    font-size: 23px;
  }
  .under h2 > span span {
    font-size: 28px;
  }
  .under h2 > span::before, .under h2 > span::after {
    transform: scale(0.7);
    top: -8px;
  }
  .under h2 > span::before {
    left: -25px;
  }
  .under h2 > span::after {
    right: -25px;
  }
  .under #content .u_boxh3 {
    margin-bottom: 60px;
  }
  .under h3 {
    font-size: 23px;
    margin-bottom: 20px;
  }
  .under h3::before {
    width: 30px;
    height: 41px;
  }
  .under h4 {
    font-size: 20px;
    padding-bottom: 5px;
    margin-top: 40px;
  }
  .under h4 .en {
    font-size: 12px;
  }
  .under h4:not(.no_line), .under h5, .under h6 {
    border-width: 2px;
  }
  .under h4::before {
    width: 30px;
    height: 23px;
    left: -7px;
  }
  .under h4::first-letter {
    padding-left: 2px;
  }
  .under h4 .lg {
    font-size: 24px;
  }
  .under h5 {
    font-size: 18px;
    margin-bottom: 25px;
    padding: 5px 10px;
    border-radius: 5px;
  }
  .under h6 {
    font-size: 17px;
  }
  .under h6::before {
    top: 7px;
  }
	.tit {
	font-size: 20px;
padding-bottom: 5px;
margin-top: 40px;
}
	.tit span::before {
  width: 30px;
  height: 23px;
  left: -7px;
}
	
  /*table*/
  .under table th, .under table td {
    padding: 10px;
    line-height: 1.8em;
    font-size: 14px;
  }
  .under table.tb_block tr, .under table.tb_block tr td {
    border-bottom: 0;
  }
  .under table.tb_block tr:last-child td:last-child {
    border-bottom: 1px solid #b5b5b6;
  }
  .under table.tb_block th {
    text-align: center;
  }
  .under table iframe {
    max-height: 300px;
  }
  /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
  /* table scroll                                                        */
  /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
  .under .tb_scroll {
    overflow: scroll;
    margin-bottom: 10px
  }
  .under .tb_scroll > table {
    width: 750px;
  }
  .under #content .txt_note {
    font-size: 12px;
    color: #AFAFAF;
    display: block;
  }
  /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
  /* table block                                                        */
  /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
  .under #content table.tb_block > tbody > tr > th, .under #content table.tb_block > tbody > tr > th + th, .under #content table.tb_block > tbody > tr > td {
    display: block !important;
    width: 100% !important;
    box-sizing: border-box;
  }
  .under #content table.tb_block {
    border: none;
  }
  .under table.tb_block > tbody > tr > th {
    border-bottom: none;
  }
  .under table.tb_block > tbody > tr:not(:last-child) > td {
    border-bottom: none;
  }
  .under #main table.tb_block > tbody > tr > th.box_pc, .under #main table.tb_block > tbody > tr > td.box_pc {
    display: none !important;
  }
  /*list01*/
  .under #content .list01 li {
    font-size: 14px;
  }
  .under #content .list01 li:before {
    top: 6px;
  }
  /*under*/
  .under #content .under_btn01, .under #content .anchor_link li {
    width: 240px;
  }
  .under #content .anchor_link li {
    margin: 10px;
  }
  .under #content .under_btn01 a, .under #content .anchor_link li a {
    height: 50px;
    padding-top: 3px;
  }
  .under #content .anchor_link li.font_min a {
    font-size: 14px;
  }
  .under #content .frame01 {
    padding: 20px;
    border-width: 5px;
  }
  .under #content .title_frame01 {
    font-size: 18px;
  }
  .under #content .bnr01 a, .under #content .bnr02 li a {
    width: 100%;
    letter-spacing: 0px;
    padding: 3vw;
    height: auto;
    text-align: center;
    min-height: 20vw;
    font-size: 4vw;
    line-height: 1.6em;
  }
  .under #content .bnr01 a {
    padding: 4vw 4vw 4vw 8vw;
  }
  .under #content .bnr02 li a {
    min-height: 17vw;
  }
  .under #content .bnr02 li, .under #content .bnr02.bnr_4col li {
    width: 100%;
    height: auto;
    margin-right: 0;
  }
  .under #content .bnr02 li + li {
    margin-top: 20px;
  }
  .under #content .bnr02 {
    flex-direction: column;
  }
  .under #content .bnr01 a:before {
    width: calc(100% - 20px);
    height: calc(100% - 20px);
  }
  .under #content .bnr01 a:after {
    border-width: 7px 0 7px 12px;
    left: 4vw;
  }
  .under #content .bnr02 a:after {
    border-width: 0 0 12px 12px;
  }
  .under .box_bnr {
    margin-bottom: 0;
  }
  .under .box_bnr dl {
    width: 100%;
    margin-bottom: 40px;
  }
  .under .box_bnr dl dt {
    min-height: 20vw;
    font-size: 3vw;
    background-size: 80% 100%;
    margin-bottom: 3vw;
  }
  .under #content .box_bnr dl a {
    height: 60px;
    width: 280px;
    font-size: 14px;
    margin: 0 auto;
  }
  .under .under_map iframe {
    height: 50vw !important;
  }
  .under #content .box_streng {
    padding-bottom: 70px;
  }
  .under #content .box_pickup {
    padding: 60px 0;
  }
  .under #content .box_pickup::before {
    right: -20px;
    border-radius: 0;
  }
  .under #content .box_pickup::after {
    font-size: 60px;
    left: 0;
  }
  .under #main #content .author_pick {
    margin-bottom: 40px;
    max-width: 90%;
  }
    .under #main #content .list_2col:not(.list_img) .author_pick {
    margin-bottom: 0;
    }
  .under #content .author_pick_box {
    transform: scale(0.7) translateX(25px) translateY(20px);
  }
  .under #content .step_list dl {
    padding: 20px 4% 25px;
    background-color: #e9f1f8;
    border-radius: 10px;
  }
  .under #content .step_list .step_ite_tt {
    font-size: 18px;
  }
  .under #content .step_list .step_ite_tt span {
    margin-left: -4%;
    font-size: 16px;
    width: 100px;
    margin-right: 10px;
  }
  .under #content .step_list dd img {
    margin: 20px auto 0 auto;
    display: block;
  }
  .under #content .box_bnn {
    padding-bottom: 40px;
  }
  .under #content .box_bnn::after {
    height: 150px;
  }
  .under #content .box_bnn li {
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
    width: auto;
    height: 170px;
  }
  .under #content .box_bnn li:not(:last-child) {
    margin-bottom: 30px;
  }
  .under #content .box_bnn .btn_ite_tt {
    font-size: 22px;
  }
  .under #content .box_bnn .btn_ite_tt .lg {
    font-size: 27px;
  }
  .under #content .box_bnn .btn_ite_tt .sm {
    font-size: 17px;
  }
  .under #content .box_bnn .btn_ite_btn {
    width: 95%;
    padding-top: 2px;
  }
  .under #content .box_2col .box_2col_tt {
    font-size: 18px;
  }
  .under #content .box_2col .box_2col_tt::before {
    top: 10px;
  }
  .under #content .box_3col.center > * {
    max-width: 48%;
  }
  .under #content .bnn_ite_01 .btn_ite_tt > span::before, .under #content .bnn_ite_01 .btn_ite_tt > span::after {
    top: -10px;
    transform: scale(0.8);
  }
  .under #content .btn_ite_tt.bnn_ite_sm.bnn_ite_sm_sp {
    font-size: 18px;
  }
  .under #content .under_btn01 a:before, .under #content .anchor_link li a:before {
    right: 10px;
  }
  /*--- ovn ---*/
  .under #content .tb_news {
    justify-content: center;
  }
  .under #content .tb_news dl {}
  .under #content .tb_news > a:nth-child(n + 2) {
    margin-top: 20px;
  }
  .under #content .tb_news dl dt {
    height: 250px;
  }
  .under #content .tb_news > a {
    margin-right: 0;
    width: 100%;
    max-width: 450px;
  }
  .under #content .tb_news dl dd .date {
    font-size: 11px;
  }
  .under #content .cate_name {
    min-width: 60px;
    font-size: 11px;
  }
  .under .info_list01 li .img {
    height: 28vw;
  }
  .under .info_list01 li {
    width: 44vw;
  }
  .under .info_list01 li.after {
    margin-left: 6vw;
  }
  .under .info_list01 li.after:after {
    top: 50%;
    left: -4.2vw;
    border-width: 3vw 0 3vw 2.5vw;
  }
  .under .info_list01 li .title {
    padding: 5px;
    font-size: 16px;
    margin-bottom: 15px;
  }
  .under #main .post-button {
    flex-direction: column;
    align-items: center;
  }
  .under #main .post-button .prevPage {
    margin-bottom: 15px;
  }
  .under #main .post-button .nextPage {
    margin-top: 15px;
  }
  .under .info_doctor {
    padding: 20px;
  }
  .under .info_doctor dt, .under .info_doctor dd {
    width: 100%;
  }
  .under #content .info_doctor dd {
    flex-direction: column;
  }
  .under #content .info_doctor dd .img {
    width: 100%;
    margin: 0 auto 20px;
    text-align: center;
  }

.under .list_2col > li{
    width: 100%;
}
.under .list_2col > li:not(:last-child){
    margin-bottom: 30px;
}
.under .list_img li:nth-child(n+2) {
    margin-top: 0;
}
  /*--- footer under ---*/
  .under .footer03 {
    display: none;
  }
  .under .footer04 {
    padding: 0;
  }
}
@media screen and (max-width: 640px) {
  .box_640 {
    display: block;
  }
}
@media screen and (max-width: 560px) {
  .box_560 {
    display: block;
  }
  .under #content .streng_list {
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 420px;
    margin: 0 auto;
  }
  .under #content .streng_list li {
    margin: 10px 4% 0 4% !important;
  }
  .under #content .streng_list li:not(:nth-of-type(-n + 2)) {
    margin-top: 90px !important;
  }
  .under #content .box_2col li {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  .under #content .box_2col li:nth-of-type(2) {
    margin-top: 40px;
  }
}
@media screen and (max-width: 490px) {
  .box_520 {
    display: block;
  }
  .under #content .bnr01 a {
    min-height: 24vw;
  }
  .under #content .bnr02 li a {
    font-size: 4.5vw;
  }
  .under #content .btn_ite_tt.bnn_ite_sm.bnn_ite_sm_sp {
    font-size: 3.5vw !important;
  }
}
@media screen and (max-width: 450px) {
  .box_460 {
    display: block;
  }
  .under .box_bnr dl dt {
    font-size: 4vw;
    background-size: 100% 100%;
  }
  .under #content .anchor_link {
    flex-direction: column;
  }
  .under #content .box_bnn .btn_ite_tt .lg {
    font-size: 22px;
    margin-bottom: 5px;
  }
  .under #content .box_bnn .btn_ite_tt .sm {
    font-size: 14px;
  }
  .under #content .box_image_2col {
    flex-direction: column;
  }
  .under #content .box_image_2col > * {
    width: 100%;
  }
  .under #content .box_image_2col > *:not(:last-child) {
    margin-right: 0;
  }
  .under #main .btn_ite_tt.bnn_ite_sm {
    font-size: 4.2vw !important;
  }
  #treatment #main .btn_ite_tt.bnn_ite_sm, #ortho #main .btn_ite_tt.bnn_ite_sm, #implant #main .btn_ite_tt.bnn_ite_sm {
    font-size: 4.7vw !important;
  }
  .under #content .tb_news dl dt {
    height: 60vw;
  }
}
@media screen and (max-width: 414px) {
  .box_420 {
    display: block;
  }
  .under #content .box_bnn .btn_ite_tt {
    font-size: 21px;
  }
  .under #content .bnn_ite_01 .btn_ite_tt > span::before, .under #content .bnn_ite_01 .btn_ite_tt > span::after {
    top: -6px;
  }
  .under #content .box_bnn .btn_ite_tt.vw {
    font-size: 5.2vw;
  }
  .under #content .bnn_ite_01 .btn_ite_tt.vw > span::before, .under #content .bnn_ite_01 .btn_ite_tt.vw > span::after {
    transform: scale(0.6);
    top: -12px;
  }
  .under #content .box_bnn .btn_ite_tt.bnn_ite_sm > span::before, .under #content .box_bnn .btn_ite_tt.bnn_ite_sm > span::after {
    top: -4.5vw;
  }
  .under .info_list01 {
    flex-direction: column;
  }
  .under .info_list01 li .img {
    height: 60vw;
  }
  .under .info_list01 li {
    width: 100%;
  }
  .under .info_list01 li.after {
    margin: 17vw 0 0;
  }
  .under .info_list01 li.after:after {
    top: -13vw;
    transform: translateX(-50%) rotate(90deg);
    left: 50%;
    border-width: 5vw 0 5vw 4vw;
  }
}
@media screen and (max-width: 360px) {
  .box_360 {
    display: block;
  }
  .under #content .box_bnn .btn_ite_btn {
    font-size: 12px;
  }
}
@media (-ms-high-contrast: none), (-ms-high-contrast: active) {}