@media only screen and (max-width: 768px) {
  .home_page .key {
    --height: calc(100vh - 60px);
    --max-height: 156vw;
    --min-height: 520px;
  }
  .home_page .key .key_text {
    font-size: min(8px, 1.3vmin);
    width: calc(100% - 20px);
    border-radius: 60px 0 0 20px;
  }
  .home_page .key .key_text .item {
    padding: 4em 10px 13em;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    align-items: flex-end;
  }
  .home_page .key .catch {
    max-width: -webkit-fit-content;
    max-width: -moz-fit-content;
    max-width: fit-content;
    text-align: center;
  }
  .home_page .key .catch h2, .home_page .key .catch p {
    letter-spacing: 0.05em;
  }
  .home_page .key_video{
    left: -1px;
    width: 101%;
  }
}
@media only screen and (max-width: 768px) and (max-aspect-ratio: 768/600) {
  .home_page .key .key_text {
    font-size: min(8px, 1.6vw);
  }
}
@media only screen and (max-width: 360px) {
  .home_page .key .catch p {
    letter-spacing: 0;
  }
  .home_page .key .key_text .item{padding-bottom: 19em;}
}
@media only screen and (max-width: 768px) {
  .wrap_title .txt_en {
    left: 0;
    right: 0;
    text-align: center;
  }
  .wrap_title .tl_en {
    font-size: min(14px, 4vw);
    margin-bottom: 0;
  }
  .wrap_title h3 {
    font-size: var(--ttl_size);
    letter-spacing: 0.1em;
  }
  .wrap_title h3::after {
    margin-top: 10px;
  }
  .box_title h4 {
    font-size: 22px;
  }
  .box_title .en {
    font-size: 12px;
    margin-top: 0.2em;
  }
}
@media only screen and (max-width: 768px) {
  .idx_anchor{
    position: absolute;
    top: -186px;
    right: 0;
    left: 0;
    margin: auto;
    justify-content: center;
    margin-bottom: 50px;
    font-size: min(8px, 1.7vw);
    padding: 0 20px;
  }
  .idx01 {
    padding: 20vw 0 60px;
  }
  .idx01::before {
    font-size: min(4px, 0.5vw);
  }
  .idx01::after {
    left: 0;
    width: 100%;
    height: calc(100% + 10vw);
  }
  .idx01 .wrap_title {
    margin-bottom: 25px;
  }
  .idx01 .wrap_title .txt_en {
    left: 0;
    font-size: min(80px, 16vw);
  }
  .idx01 .btn-group {
    margin-top: 25px;
    width: 100%;
  }
  .idx01 .btn-group .btn {
    margin-left: auto;
    margin-right: auto;
  }
  .idx01 .tab_news {
    margin-top: 0;
  }
  .idx01 .tab_news .tab_btns > div p {
    font-size: 18px;
  }
  .idx01 .tab_news .tab_content .content > div {
    padding: 25px 8% 35px;
  }
  .idx01 .list_post a {
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    font-size: 16px;
    --w: 110px;
    padding: 10px 0;
  }
  .idx01 .list_post a::after {
    right: 10px;
  }
  .idx01 .list_post a .date {
    padding: 5px 5px 7px 5px;
  }
  .idx01 .list_post a .title {
    width: 100%;
    padding-left: 0;
    margin-top: 10px;
  }
  .idx01 .bnr_anniversary {
    margin-top: 35px;
    padding: min(140px, 57vw) 5% 5em;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background-position: top center;
    background-image: url(../images/idx01_bn_bg_sp.jpg);
  }
  .idx01 .bnr_anniversary .box_cont {
    padding-top: 19em;
    padding-left: 0;
    font-size: min(7px, 1.4vw);
  }
  .idx01 .bnr_anniversary .box_cont::before {
    left: 0;
    top: 0;
    right: 0;
    margin: 0 auto;
  }
  .idx01 .bnr_anniversary .box_cont p {
    font-size: 16px;
    text-shadow: 0px 0px 2px rgba(0, 0, 0, 0.7);
  }
  .idx01 .bnr_anniversary h4 {
    text-align: center;
    font-size: min(26px, 6.8vw);
    margin-bottom: 15px;
  }
  .idx01 .bnr_anniversary h4::after {
    margin-left: auto;
    margin-right: auto;
  }
  .idx01 .b_instagram .l_img{gap: 10px;}
  .idx01 .tt_tag{text-align: center;}
  .idx01 .b_instagram .l_img .item{
    width: calc(50% - 10px);
    max-height: 300px;
    height: 40vw;
  }
  .idx01 .tt_ic{
    font-size: 24px;
    display: table;
    margin: 0 auto 10px;
  }
  
  .idx02 {
    padding: 0px 0 60px;
  }
  .idx02::before {
    height: calc(100% + 80vw);
    max-height: calc(100% + 346px);
    background-size: 100% auto;
    background-image: url(../images/idx02_bg_sp.png);
  }
  .idx02 .wrap_title {
    margin-bottom: 25px;
    position: relative;
  }
  .idx02 .btn-group {
    margin-top: 20px;
  }
  .idx02 .btn-group .btn {
    margin: 10px auto;
  }
  .idx02 .clinic_img {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }
  .idx02 .b_img {
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
    width: 49%;
  }
  .idx02 .idx_logo {
    -webkit-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
    max-width: 300px;
    width: 90%;
    margin: 35px auto 20px;
  }
  .idx02 .clinic_info {
    -webkit-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
    width: 100%;
    max-width: 600px;
    margin: 0 auto 30px;
  }
  .idx02 .idx_map {
    -webkit-box-ordinal-group: 3;
    -ms-flex-order: 2;
    order: 2;
    width: 49%;
    height: auto;
  }
  .idx02 .box_info dl {
    margin-bottom: 15px;
  }
  .idx02 .box_info dd {
    margin-top: 3px;
  }
  .idx03 {
    padding: 50px 0;
  }
  .idx03::before {
    background-image: url(../images/idx03_bg_sp.jpg);
    background-position: top center;
    background-size: 100% auto;
  }
  .idx03 .wrap_title {
    padding-top: 5vw;
  }
  .idx03 .wrap_title .txt_en {
    top: -2vw;
    font-size: min(80px, 16vw);
  }
  .idx03 .block_greeting {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
  }
  .idx03 .box_name {
    bottom: 3.7em;
    right: 2.2em;
    font-size: min(8px, 3vw);
  }
  .idx03 .box_name .pos {
    margin-bottom: 0.6em;
  }
  .idx03 .box_name .name_jp {
    margin-bottom: 0.5em;
  }
  .idx03 .greeting_img {
    display: table;
    margin: 0 auto 30px;
  }
  .idx03 .btn-group {
    margin-top: 20px;
  }  
  .idx03_gallery {padding-top: 40px;}
  .idx03_gallery .list .img img {
    max-width: min(300px, 55vw);
  }
  .idx04 {
    padding: 60px 0px;
    margin-top: -50px;
  }
  .idx04:before {
    background-image: url(../images/idx04_bg_sp.jpg);
    background-position: top center;
    background-size: 100% auto;
    background-color: #ecf7ff;
  }
  .idx04::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: #ecf7ff;
    z-index: -2;
  }
  .idx04 .wrap_title {
    margin-bottom: 25px;
  }
  .idx04 .bnr_dentistry {
    padding: 35px 5% min(100px, 22vw);
  }
  .idx04 .bnr_dentistry .box_title {
    margin-bottom: 10px;
  }
  .idx04 .bnr_dentistry .box_in::after {
    width: 40px;
    height: 40px;
    background-size: 15px auto;
    margin-top: 15px;
  }
  .idx04_gallery {
    margin-top: min(-55px, -10vw);
  }
  .idx04_gallery .list .item {
    margin: 0 2vw;
  }
  .idx04_gallery .list .item:nth-child(2n+1) {
    margin-top: 25px;
  }
  .idx04_gallery .list .img img {
    border-radius: 30px;
    max-width: min(350px, 55vw);
  }
  .idx04 .row_menu .menu_it {
    width: calc((100% - 10px) / 2);
    margin-right: 10px;
    margin-bottom: 20px;
    font-size: min(8px, 1.9vw);
  }
  .idx04 .row_menu .menu_it:nth-child(2n+2) {
    margin-right: 0;
  }
  .idx04 .row_menu .menu_it.it03, .idx04 .row_menu .menu_it.it06, .idx04 .row_menu .menu_it.it11 {
    --bg: #ffffff;
    --cl: #f78da7;
    --cl-arr: #ea7593;
  }
  .idx04 .row_menu .menu_it.it04, .idx04 .row_menu .menu_it.it05, .idx04 .row_menu .menu_it.it12 {
    --bg: #f7fafc;
    --cl: #7abae5;
    --cl-arr: #7abae5;
  }
  .idx04 .row_menu p {
    line-height: 1.8;
  }
  .idx04 .row_menu .menu_img {
    font-size: 0.8em;
  }
  .idx04 .box_text{
    margin-top: 25px;
  }
  .idx04 .box_text .title{
    font-size: 20px;
  }
  .idx05 {
    padding-top: 80px;
    padding-bottom: min(125px, 22vw);
  }
  .idx05 .bx_illus01, .idx05 .bx_illus02 {
    font-size: 4px;
  }
  .idx05 .bx_illus01 {
    left: 10em;
    top: 1.4em;
  }
  .idx05 .bx_illus02 {
    right: 20px;
  }
  .idx05 .wrap_title.tl_white {
    margin-bottom: 0;
  }
  .idx05 .idx_bg {
    top: 190px;
    width: 130%;
    left: -15%;
    height: calc(100% - 220px);
  }
  .idx05 .idx_bg::after{
    bottom: 50px;
  }
  .idx05 .box_content {
    padding-top: 135px;
    padding-bottom: 40px;
  }
  .idx05 .bx_txt .btn {
    margin-top: 15px;
  }
  .idx05 .block_focus .item {
    width: calc((100% - 10px) / 2);
    margin-right: 10px;
    margin-bottom: 20px;
    font-size: min(8px, 1.9vw);
  }
  .idx05 .block_focus .item:nth-child(2n+2) {
    margin-right: 0;
  }
  .idx05 .block_focus .focus_img {
    font-size: 0.8em;
  }
  .idx05 .block_focus p {
    line-height: 1.8;
  }
  .idx05 .btn-group {
    font-size: min(10px, 2.2vw);
  }
  .idx05 .btn-group .btn {
    width: calc(50% - 1em);
    min-width: auto;
    margin: 0.5em;
  }
  .idx05 .btn-group .btn a {
    font-size: 1.6em;
    letter-spacing: 0.05em;
  }
  .idx05 .block_trouble {
    padding: 60px 20px;
    width: calc(100% - 20px);
    margin-bottom: 50px;
  }
  .idx05 .block_trouble::before {
    width: calc(100% + 20px);
    left: 0;
  }
  .idx05 .block_trouble .wrap_title {
    margin-bottom: 25px;
  }
  .idx05 .tab_trouble {
    display: block;
  }
  .idx05 .tab_trouble .trouble_btn {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    position: relative;
    z-index: 3;
    margin-bottom: 25px;
    font-size: min(10px, 1.7vw);
  }
  .idx05 .tab_trouble .trouble_btn .tab {
    width: calc(50% - 5px);
    margin: 0;
    text-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    min-height: 8em;
    padding: 1.6em 0.7em 1.5em;
  }
  .idx05 .tab_trouble .trouble_btn .tab::after {
    top: unset;
    left: 0;
    right: 0;
    bottom: -1.5em;
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
    width: 2.5em;
  }
  .idx05 .tab_trouble .trouble_cont .content > div {
    padding: 2em 1em;
  }
  .idx05 .b_trouble{
    padding: 20px 2%;
  }
  .idx05 .b_trouble figure{
    display: table;
    margin: 0 auto 25px;
  }
  .idx05 .b_trouble .btn{
    margin: 25px auto 0;
  }
  .idx05 .bx_illus03{
    top: -48.2em;
    left: 0;
    right: 0;
    margin: auto;
    font-size: 0.5em;
  }
  .idx06 {
    padding: 60px 0;
  }
  .idx06::before {
    width: 100%;
    max-height: 600px;
    height: 93vw;
    top: -25vw;
    background-image: url(../images/idx05_bg_sp.jpg);
    background-position: bottom center;
  }
  .idx06 .wrap_title {
    margin-bottom: 25px;
  }
  .idx06 .block_dysfunction .item {
    width: 100%;
    max-width: 600px;
    margin: 0 auto 20px;
    padding: 40px 5% 90px 5%;
  }
  .idx06 .block_dysfunction .item:last-child {
    margin-bottom: 0;
  }
  .idx06 .block_dysfunction .b_tl {
    font-size: min(8px, 1.9vw);
  }
  .idx06 .block_dysfunction .b_tl h4 {
    font-size: 22px;
  }
  .idx06 .block_dysfunction .b_tl .en {
    font-size: 10px;
  }
  .idx06 .block_dysfunction .box_in::after {
    width: 40px;
    height: 40px;
    background-size: 15px auto;
    bottom: 35px;
  }
  .idx06 .bnr_fee {
    margin-top: 40px;
    max-width: 46em;
    font-size: min(10px, 2.8vw);
    padding: 1.1em 4.1em 1em;
  }
  .idx07 {
    padding: 60px 0 105px;
    background-image: url(../images/idx07_bg_sp.jpg);
    background-position: top center;
    background-size: 100% auto;
    background-color: #83c0e9;
  }
  .idx07 .wrap_title {
    margin-bottom: 25px;
  }
  .idx07 .block_feature {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  .idx07 .feature_btn {
    display: contents;
  }
  .idx07 .b_pentagon {
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
    font-size: min(8px, 1.15vw);
    margin: 0 auto;
  }
  .idx07 .btn {
    -webkit-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
    position: relative;
    z-index: 5;
    margin-top: 25px;
  }
  .idx07 .feature_list {
    margin-top: 40px;
    -webkit-box-ordinal-group: 3;
    -ms-flex-order: 2;
    order: 2;
  }
  .idx07 .feature_list .feature_img {
    font-size: min(8px, 1.05vw);
    margin-top: 0;
    margin-left: -33px;
  }
  .idx07 .feature_list .feature_cont {
    font-size: min(8px, 1.05vw);
  }
  .idx07 .feature_list .feature_cont::before {
    top: -30.9em;
    left: -50%;
    width: 168.9em;
    height: calc(200% + 65vw);
  }
  .idx07 .feature_list .feature_cont p {
    font-size: 14px;
  }
  .idx07 .feature_list .feature_cont .num {
    left: 0;
    font-size: min(80px, 20.6vw);
  }
  .idx07 .feature_list .feature_cont h4 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .idx08{
    padding: 0 0 60px;
  }
  .idx08 .wrap_title{
    margin-bottom: 35px;
  }
  .idx08 .block_life-stage .item{
    width: calc(50% - 10px);
    margin: 5px;
  }
  .idx08 .block_life-stage h4{font-size: 2em;}
  .idx08 .block_life-stage h4::after{
    width: 14px;
    height: 14px;
    border: 4px solid var(--bg-cl);
  }
  .idx08 .block_life-stage h4::before{
    left: -20px;
    bottom: 6px;
    width: calc(100% + 40px);
  }
  .idx08 .block_life-stage .b_cont{
    padding: 6.5em 2em 2em;
  }
  .idx08 .btn.style01.btn_2col{
    max-width: 677px;
    width: calc(216% + 1em);
  }
}
@media only screen and (max-width: 639px) {
  .idx03 .btn-group .btn {
    width: 100%;
    margin: 10px auto;
  }
  .idx03 .btn-group .btn:last-child {
    margin-right: auto;
  }
  .idx05 .btn-group .btn a {
    padding-left: 0.5em;
  }
  .idx05 .btn-group .btn .br_btn {
    display: block;
  }
  .idx08 .block_life-stage .b_img{height: auto;}
  .idx08 .block_life-stage .item{width: 100%;margin: 0 0 30px;}
  .idx08 .btn.style01{
    margin-left: auto;
    margin-right: auto;
  }
  .idx08 .btn.style01.btn_2col{display: none;}
  .idx08 .btn.style01.btn_1col{display: block;}
  .idx08 .btn.style01.btn_mt{margin-top: 0;}

}
@media only screen and (max-width: 450px) {
  .idx_anchor{top: -135px;}
  .idx_anchor .btn_an a .tt01{
    font-size: 1.8em;
    letter-spacing: 0;
  }
  .idx_anchor .btn_an a .tt02{font-size: 1.5em;}
  .idx_anchor .btn_an:nth-child(1) a{padding-bottom: 4em;}
  .wrap_title .tl_en {
    letter-spacing: 0;
  }
  .box_title h4 {
    letter-spacing: 0.05em;
  }
  .idx01{padding-top: 27vw;}
  .idx05 .tab_trouble .trouble_btn {
    font-size: min(10px, 2.4vw);
  }
  .idx05 .tab_trouble .trouble_btn .tab .tt .en {
    letter-spacing: 0;
  }
  .idx05 .block_focus h4{
    letter-spacing: 0.05em;
  }
  .idx05 .block_focus .focus_cont{
    padding: 11em 1em 4.7em;
  }
  .idx05 .block_focus h4 .sp_br{display: none;}
  .idx05 .bx_illus03 .txt{
    font-size: 1.7em;
    letter-spacing: 0.05em;
  }
  .idx05 .idx_bg{
    top: 220px;
    height: calc(100% - 225px);
  }
  .idx07 .b_pentagon .tt {
    font-size: 2.5em;
    letter-spacing: 0.05em;
  }
  .idx07 .b_pentagon .point {
    font-size: 1.7em;
  }
  .idx07 .b_pentagon .b_it03 {
    padding-left: 1.5em;
  }
}
@media only screen and (max-width: 375px) {
  .wrap_title h3{letter-spacing: 0.05em;}
  .idx04 .row_menu h4 {
    letter-spacing: 0;
  }
  .idx04 .row_menu p {
    letter-spacing: 0.05em;
    font-size: 12px;
    padding: 0;
  }
  .idx07 .feature_list .feature_cont::before {
    top: -46.9em;
    height: calc(200% + 65vw);
  }
}