@charset "utf-8";
html {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}
body {
	margin: 0;
	padding: 0;
	font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
	font-size: 1rem;
	font-weight: 400;
	background: #fff;
	color:#231815;
}
img {
  max-width: 100%;
}
.inner {
  width: 100%;
  max-width: 1140px;
  padding: 0 1rem;
  margin: auto;
}
@media screen and (min-width: 1140px) {
  .inner {
    padding: 0 3rem;
  }
}
.sans-serif {
  font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif!important;
}
.bg_gray {
  background: #F7F8F8!important;
}
.bg_white {
  background: #fff!important;
}
.bg_blue {
  background: #1A71B9;
  color: #fff!important;
}
.bg_image {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.text_blue {
  color: #1A71B9;
}
.fs_70 { font-size: 70%; }
.fs_85 { font-size: 85%; }
.fs_110 { font-size: 110%; }
.fs_125 { font-size: 125%; }
.fs_130 { font-size: 130%; }
.fs_140 { font-size: 140%; }
.fs_175 { font-size: 175%; }
.fs_180 { font-size: 180%; }
.fs_200 { font-size: 200%; }
.fs_250 { font-size: 250%; }
@media screen and (min-width: 768px) {
  .fs_md_85 { font-size: 85%; }
}
.btn {
  border-radius: 0;
}
.card {
  border: 0;
  border-radius: 0;
}
.border-bottom {
  border-color: #231815!important;
}
.border_side {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.border_side::before,
.border_side::after {
  content: '';
  height: 1px;
  background: #231815;
  display: block;
}
.right_diagonal {
  padding: 1em;
  position: relative;
}
@media screen and (min-width: 768px) {
  .right_diagonal::after {
    content: '';
    border-top: 13em solid #F7F8F8;
    border-right: 3em solid transparent;
    position: absolute;
    top: 0;
    right: -3em;
  }
}
.top_diagonal {
  position: relative;
}
.top_diagonal::before {
  content: '';
  border-top: 3em solid transparent;
  border-right: 100vw solid #F7F8F8;
  position: absolute;
  top: -3em;
  left: 0;
  z-index: 0;
}

/* --- ヘッダー --- */
#site_header {
  width: 100%;
  background: rgba(255,255,255,0.7);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
}

@media screen and (max-width: 767px) {
	#site_header {	 
	  background:none; 
	}
	.head_bg{
	  background: rgba(255,255,255,1) !important;	
	}
}

#site_header a,#site_header span {
  color: #231815;
  white-space: nowrap;
}
#site_header a:hover,,#site_header span:hover {
  color: #231815;
  opacity: 0.8;
}
#site_header .navbar-toggler {
  /*border: 1px solid #231815;*/
  border:none;
}
#site_header .navbar-toggler:focus {
  outline: 0;
}
#site_header .sitelogo {
  width: 180px;
}
#site_header .tel img {
  width: 1em;
}
#site_header .btn {
  border: 1px solid #231815;
  font-size: 1em;
}
@media screen and (min-width: 768px) {
  #site_header {
    font-size: 0.7rem;
  }
  #site_header .sitelogo {
    width: 180px;
  }
}
@media screen and (min-width: 992px) {
  #site_header {
    font-size: 1rem;
  }
  #site_header .sitelogo {
    width: 200px;
  }
}
@media screen and (min-width: 1140px) {
  #site_header {
    padding: 0 1rem;
  }
  #site_header .sitelogo {
    width: 200px;
  }
  #site_header .tel {
    font-size: 140%;
  }
}

.navbar-toggler .navbar-toggler-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(22,114,189,1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E");
}

@media screen and (max-width: 767px) {
	.navbar-collapse{
	  padding-bottom:1.5rem;
	  background: rgba(255,255,255,1);
	}
}

/* --- フッター --- */
#site_footer {
  padding: 2em;
}
#site_footer .sitelogo,
#site_footer .btn {
  font-size: 100%;
}
#site_footer .sitelogo {
  margin: 2em auto;
}
#site_footer .btn {
  margin-bottom: 0.5em;
  padding: 0.5em;
}
#site_footer .btn img {
  width: 1em;
  margin-right: 0.25em;
}
@media screen and (min-width: 768px) {
  #site_footer > .inner {
    width: 75%;
  }
  #site_footer .btn {
    margin-bottom: 2em;
  }
}
@media screen and (min-width: 992px) {
  #site_footer .sitelogo,
  #site_footer .btn {
    font-size: 200%;
  }
}

/* --- メイン --- */
main,
main h1,main h2,main h3,main h4,main h5,main h6,
main p,main a,main a.btn {
  font-size: 1rem;
}
section .content {
  padding: 1.5em 0;
}
.section_title {
  padding-top: 2.5em;
  padding-bottom: 2em;
  margin-bottom: 0;
  font-size: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
.section_title::before,
.section_title::after {
  content: '';
  border-top: 2em solid transparent;
  border-left: 100vw solid #1A71B9;
  position: absolute;
  bottom: 0;
  left: 0;
}
.section_title::after {
  border-left: 0;
  border-right: 100vw solid #F7F8F8;
}
.section_title span {
  margin-bottom: 1.25em;
  text-align: center;
}
.section_title small {
  font-size: 62.5%;
}
.section_title small::before {
  content: '';
  width: 3em;
  height: 3px;
  margin: 0.75em auto 0.1em auto;
  background: #1A71B9;
  display: block;
}
.section_title.no_deco::before,
.section_title.no_deco::after {
  display: none;
}
@media screen and (min-width: 576px) {
  .section_title {
    font-size: 2.5rem;
  }
}
@media screen and (min-width: 992px) {
  main,
  main h1,main h2,main h3,main h4,main h5,main h6,
  main p,main a,main a.btn {
    font-size: 1.25rem;
  }
  .section_title {
    font-size: 3rem;
  }
}
@media screen and (min-width: 1140px) {
  main,
  main h1,main h2,main h3,main h4,main h5,main h6,
  main p,main a,main a.btn {
    font-size: 1.4rem;
  }
  .section_title {
    font-size: 2.85rem;
  }
}

/*#kv {
  height: 100vh;
  background: url(../img/kv_bg_sp.jpg) center/cover no-repeat;
}*/
#kv .invisalign img {
  width: 80%;
  position: absolute;
  bottom: -3em;
  left: 0;
}
#kv .line img {
  width: 100%;
  max-width: 160px;
}
#kv .features_wrap .item {
  width: calc((100% - 3rem)/4);
  max-width: 12rem;
}
#kv .features_wrap .item > .inner {
  width: 100%;
  background: rgba(255,255,255,0.8);
  font-size: 50%;
  white-space: nowrap;
}
#kv .features_wrap .item img {
  height: 4em;
}
#kv .sp_lineBtn {
  height: 5em;
}
#kv .sp_lineBtn a {
  width: 90%;
  padding: 0.5em 2em;
  background: #41ad3e;
  border-radius: 2em;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}
@media screen and (min-width: 768px) {
  #kv {
    /*height: 70vw;*/
	height: 100vh;
    background: url(../img/kv_bg.png) right center/cover no-repeat;
	background-position:center top;
  }
  #kv .line img {
    width: 15vw;
    max-width: 260px;
  }
}
@media screen and (min-width: 2000px) {
  #kv {
  	background-position:center center;
  }
}
#worries .examples figure {
  height: 100%;
  background: #fff;
  border: 1px solid #C9CACA;
}
#worries .examples figure img {
  width: 75%;
}
#worries ul li {
  white-space: nowrap;
  list-style-type: none;
  display: flex;
  align-items: center;
  position: relative;
}
#worries ul li::before {
  content: '';
  width: 1em;
  height: 1em;
  margin-right: 0.5em;
  background: url(../img/icon_check.svg) center/contain no-repeat;
  display: block;
}
#worries .image {
  max-width: 300px;
}
@media screen and (max-width: 359px) {
  #worries .examples p small {
    font-size: 60%;
  }
  #worries ul {
    font-size: 110%;
  }
}
@media screen and (min-width: 768px) {
  #worries .examples p {
    width: 75%;
  }
  #worries ul li span {
    border-width: 2px!important;
  }
  #worries .image {
    max-width: 100%;
  }
}
@media screen and (min-width: 1140px) {
  #worries ul li span {
    border-width: 3px!important;
  }
}

#solution .content * {
  position: relative;
  z-index: 1;
}
#solution .content1 {
  background-image: url(../img/solution_bg.jpg);
}
#solution .content2 {
  padding-bottom: 2em;
}
#solution .content .invisalign {
  width: 100%;
}
#solution .card-body {
  padding: 1em;
  white-space: nowrap;
}
#solution .content4 .border_side::before,
#solution .content4 .border_side::after {
  width: calc((100% - 2em)/2 - 1rem);
}
@media screen and (min-width: 768px) {
  #solution .content2 {
    margin-bottom: 5em;
  }
  #solution .content .text_image {
    position: absolute;
    top: 0;
    left: 0;
  }
  #solution .content .invisalign {
    position: absolute;
    left: 0;
    bottom: -5em;
  }
  #solution .content4 {
    background: #F7F8F8 url(../img/solution_img4.png) right center/cover no-repeat;
    overflow: hidden;
  }
  #solution .content4 .right_diagonal::after {
    border-top: 15em solid #F7F8F8;
  }
}
@media screen and (min-width: 992px) {
  #solution .content .invisalign {
    width: 70%;
  }
  #solution .content4 .right_diagonal::after {
    border-top: 14em solid #F7F8F8;
  }
}
@media screen and (min-width: 1140px) {
  #solution .content4 {
    background: #F7F8F8 url(../img/solution_img4.png) right center/contain no-repeat;
  }
}

@media screen and (max-width: 767px) {
  #reason .content > .inner {
    padding: 0;
  }
  #reason .reason {
    padding: 1.5rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }
  #reason .reason1 { background-image: url(../img/reason_img1.jpg); }
  #reason .reason2 { background-image: url(../img/reason_img2.jpg); }
  #reason .reason3 { background-image: url(../img/reason_img3.jpg); }
  #reason .reason4 { background-image: url(../img/reason_img4.jpg); }
  #reason .reason .inner {
    background: rgba(255,255,255,0.8);
  }
}

 .flow {
  padding: 1.25em;
  margin-bottom: 4.5em;
  position: relative;
}
#flow .flow::after {
  content: '';
  border-top: 2em solid #1A71B9;;
  border-right: 3.5em solid transparent;
  border-left: 3.5em solid transparent;
  position: absolute;
  bottom: -3.25em;
  display: block;
}
#flow .flow:last-child {
  margin-bottom: 3em;
}
#flow .flow:last-child::after {
  display: none;
}
#flow .content2 * {
  position: relative;
  z-index: 1;
}
#flow .content2 .border_side::before,
#flow .content2 .border_side::after {
  width: calc((100% - 12em)/2 - 1rem);
}
@media screen and (max-width: 359px) {
  #flow .flow {
    font-size: 90%;
  }
  #flow .flow p {
    font-size: 0.9rem;
  }
}
@media screen and (min-width: 768px) {
  #flow .content2 {
    background: url(../img/flow_img1.jpg) right center/cover no-repeat;
    overflow: hidden;
  }
  #flow .content2 h3 {
    width: 200%;
    white-space: nowrap;
  }
  #flow .content2 .border_side::before,
  #flow .content2 .border_side::after {
    width: calc((100% - 19em)/2 - 1rem);
  }
  #flow .content2 .right_diagonal::after {
    border-top: 30vw solid #F7F8F8;
  }
}
@media screen and (min-width: 1140px) {
  #flow .content2 {
    background: #F7F8F8 url(../img/flow_img1.jpg) right center/contain no-repeat;
  }
  #flow .content2 .right_diagonal::after {
    border-top: 17em solid #F7F8F8;
  }
}

#menu .menu {
  padding: 1.5rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
#menu .menu.menu1 { background-image: url(../img/menu_img1.jpg); }
#menu .menu.menu2 { background-image: url(../img/menu_img2.jpg); }
#menu .menu.menu3 { background-image: url(../img/menu_img3.jpg); }
#menu .menu.menu4 { background-image: url(../img/menu_img4.jpg); }
#menu .menu.menu5 { background-image: url(../img/menu_img5.jpg); }
#menu .menu.menu6 { background-image: url(../img/menu_img6.jpg); }
#menu .menu.menu7 { background-image: url(../img/menu_img7.jpg); }
#menu .menu > .inner {
  overflow: hidden;
}
#menu .menu .right_diagonal,
#menu .menu .left_diagonal {
  padding: 2em 1em;
}
@media screen and (max-width: 767px) {
  #menu .menu > .inner {
    background: rgba(255,255,255,0.8);
  }
  #menu .menu * {
    text-align: center;
  }
}
@media screen and (min-width: 768px) {
  #menu .menu {
    padding: 0;
    background-color: #fff;
    background-size: 50%;
    background-position: right center;
  }
  #menu .menu:nth-child(even) {
    background-position: left center;
  }
  
  @media screen and (min-width: 768px) {
	#menu .menu.menu2 {
		background-position: left top;
	}
　　}
  
  #menu .menu .right_diagonal {
    background: #fff;
  }
  #menu .menu .right_diagonal::after {
    border-top: 17em solid #fff;
  }
  #menu .menu:nth-child(even) .right_diagonal {
    margin-left: auto;
  }
  #menu .menu:nth-child(even) .right_diagonal::after {
    border-right: 0;
    border-left: 3em solid transparent;
    right: inherit;
    left: -3em;
  }
  #menu .content2 > .inner {
    padding: 2em;
    background: url(../img/menu_img8.png) left center/cover no-repeat;
  }
  #menu .content2 .text {
    padding: 2em 1em;
    background: rgba(255,255,255,0.5);
  }
}

#consul .content1 {
  background-image: url(../img/consul_img2.jpg);
}
#consul h3 {
  font-size: 185%;
}
#consul h3 strong {
  font-size: 140%;
  font-weight: 400;
}
#consul h3 img {
  width: 3em;
}
#consul .content2 p {
  margin-top: -3em;
  margin-right: auto;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}
#consul .content2 p span {
  display: flex;
  align-items: center;
}
#consul .content2 p span::before,
#consul .content2 p span::after {
  content: '';
  width: 1px;
  height: 1.2em;
  margin: 0 0.5em;
  background: #231815;
  display: block;
  transform: rotate(-30deg);
}
#consul .content2 p span::after {
  transform: rotate(30deg);
}
#consul .img_sp {
  width: 50%;
  max-width: 11em;
  position: absolute;
  bottom: 0;
  right: 1em;
}
@media screen and (max-width: 575px) {
  #consul .content2 p {
    font-size: 90%;
  }
}
@media screen and (min-width: 576px) {
  #consul h3 {
    font-size: 255%;
  }
}
@media screen and (min-width: 768px) {
  #consul h3 {
    font-size: 325%;
  }
  #consul h3 strong {
    font-size: 230%;
  }
  #consul .content2 p {
    margin-top: -2em;
    margin-right: 6em;
  }
  #consul .img_sp {
    max-width: 13em;
  }
}

#column .column {
  margin-bottom: 2em;
}
#column .column:last-child {
  margin-bottom: 0;
}
@media screen and (min-width: 768px) {
  #column .column:nth-child(n+4){
    margin-bottom: 0;
  }
  #column .column .card-body {
    font-size: 95%;
  }
}

#clinics .clinic_images {
  margin-bottom: 2em;
}
#clinics .clinic_images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#clinics .clinic {
  margin-bottom: 2em;
}
#clinics .clinic:last-child {
  margin-bottom: 0;
}
#clinics .clinic .card .card-body {
  padding: 1em;
}
@media screen and (max-width: 575px) {
  #clinics .content1 {
    font-size: 70%;
  }
}
@media screen and (min-width: 768px) {
  #clinics .clinic:nth-child(n+4){
    margin-bottom: 0;
  }
}

@media screen and (min-width: 768px) {  
  #clinics h3{
	font-size:85%;	
  }
}



.image_area {
  width: 100%;
  height: 10em;
  background-color: #F7F8F8;
  background-size: cover;
  background-position-x: center;
  background-position-y: top;
  background-repeat: no-repeat;
}
.image_area.area1 {
  background-image: url(../img/image_area1.jpg);
}
.image_area.area2 {
  background-image: url(../img/image_area2.jpg);
}
.image_area.area3 {
  background-image: url(../img/image_area3.jpg);
}
.image_area.area4 {
  background-image: url(../img/image_area4.jpg);
}
.image_area.area5 {
  background-image: url(../img/image_area5.jpg);
}
@media screen and (min-width: 768px) {
  .image_area {
    height: 20em;
  }
}


#kasou_kv {
    height: 250px;
    background: url(../img/kasou_bg.jpg) right center/cover no-repeat;
  }

#kasou_kv .line img {
  width: 100%;
  max-width: 160px;
}

#sp_line_btn .sp_lineBtn {
  height: 5em;
}
#sp_line_btn .sp_lineBtn a {
  width: 90%;
  padding: 0.5em 2em;
  background: #41ad3e;
  border-radius: 2em;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}
@media screen and (min-width: 768px) {
  #kasou_kv {
    height: 500px;
    background: url(../img/kasou_bg.jpg) right center/cover no-repeat;
  }
  #kasou_kv .line img {
    width: 15vw;
    max-width: 200px;
  }
}


#kasou_kv h1 {
  font-size: 160%;
  font-weight: 600;
  border-bottom: 2px solid #1A71B9;
}
#kasou_kv p {
  font-size: 100%;
}
@media screen and (min-width: 576px) {
  #kasou_kv h1 {
    font-size: 150%;
  }
  #kasou_kv p {
    font-size: 135%;
  }
}
@media screen and (min-width: 768px) {
  #kasou_kv h1 {
    font-size: 200%;
  }
}

.kasou_txt01{
	font-size:1rem;
}

.kasou_txt02{
	line-height:2em;
}

.midashi01{
	font-size:1.5rem;
	border-bottom: 2px solid #1A71B9;
	padding-bottom:15px;
	margin-bottom:1.5rem;
}

.midashi02{
	display:inline-block;
	border-bottom: 2px solid #1A71B9;
	padding-bottom:15px;
	margin-bottom:1.5rem;
}

.midashi03{
	
}

.midashi04{
	font-size:2.5rem;
}

/* pagination */
.pagenation {
  margin-bottom: 30px;
}

/* リンクの枠 */
.pagenation .nav-links {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  gap: 8px;
}

 /* 数字のリンク */
.pagenation  .page-numbers {
  text-decoration: none;
  color: #333;
  border: 1px solid #aaa;
  display: inline-block;
  border-radius: 6px;
  padding: 0.5em 0.8em;
  -webkit-transition: .3s;
  transition: .3s;
}

/* 現在のページ */
.pagenation  .current {
  background-color: #333;
  color: #fff;
}

/* 現在のページとドット以外にホバーした時 */
.pagenation a:hover {
  background-color: #333;
  color: #fff;
}

.slick-arrow::before{
	color:#000;
}

/*フッターサイトマップ*/
.sitemap {
	background: #1A71B9;
    color: #fff!important;
}
#footer_link h3 {
	font-size: 0.8rem;
	margin-bottom: 4px;
}
#footer_link ul {
	font-size: 0.8rem;
	list-style-type: none;
	padding: 0;
	display: flex;
  line-height:2rem;
	flex-wrap: wrap;
}
#footer_link li {
	padding-right: 10px;
}
#footer_link a {
	color: #FFFFFF;
}
#footer_link li+ li:before {
  content:"/" ;
  padding-right:0.8rem;
}
.copyright {
	background: #1A71B9;
    color: #fff!important;
	text-align: center;
	font-size: .75rem;
	padding: .25rem 0;
}

/* マウスオーバー時 */
.btn.bg_blue:hover,
.btn_blue_hover:hover{
      box-shadow: 0 4px 7px 0 rgba(0, 0, 0, 0.5);
      transform: translateY(-8px) !important;
      cursor: pointer;
	  background:#1a71b9a6;
	  transition: 0.2s;
}


.a_100{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
/*PC時だけマウスオーバーでGNの二階層展開*/
@media screen and (min-width: 768px) {
  .dropdown:hover>.dropdown-menu {
    display: block;
  }
}