@charset "UTF-8";
/* CSS Document */
@media screen and (max-width: 480px) {
  html, body {
    overflow-x: hidden;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
  }
}
body {
  -webkit-text-size-adjust: 100%;
  line-height: 1.5em;
  font-family: -apple-system, blinkMacSystemFont, "Helvetica Neue", "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: #4D4D4D;
  font-size: 18px;
  text-align: justify;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

* {
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}


a {
  color: #1e2679;
  text-decoration: none;
}
a img {
  transition: all .2s;
}

a:link {
  color: #1e2679;
  text-decoration: none;
}

a:visited {
  color: #1e2679;
  text-decoration: none;
}

a:hover {
  color: #547caf;
  text-decoration: underline;
}

a:hover img {
  opacity: 0.7;
  filter: alpha(opacity=70);
  -ms-filter: "alpha(opacity=70)";
}

img {
  image-rendering: -webkit-optimize-contrast;
}

.sp_only {
  display: none;
}

.sp_only_kaigyo {
  display: none;
}

.mb10 {
  margin-bottom: 10px;
}

.mb15 {
  margin-bottom: 15px;
}

.mb20 {
  margin-bottom: 20px;
}

.mb30 {
  margin-bottom: 30px;
}

.mb40 {
  margin-bottom: 40px;
}

.mb50 {
  margin-bottom: 50px;
}

.mb70 {
  margin-bottom: 70px;
}

.mb80 {
  margin-bottom: 80px;
}

.mb150 {
  margin-bottom: 150px;
}

.mt150 {
  margin-top: 150px;
}

.font_bold {
  font-weight: bold;
}

.fnt12 {
  font-size: 12px;
}

.fnt_s {
  font-size: 90%;
}
.fnt_ss {
  font-size: 75%;
}

.fnt_l {
  font-size: 120%;
}

.txt_mincho {
  font-family: "Roboto Slab" , Garamond , "Times New Roman" , "游明朝" , "Yu Mincho" , "游明朝体" , "YuMincho" , "ヒラギノ明朝 Pro W3" , "Hiragino Mincho Pro" , "HiraMinProN-W3" , "HGS明朝E" , "ＭＳ Ｐ明朝" , "MS PMincho" , serif;
}
.txt_red  {
  color: #CC0033;  
}

.anchor {
  padding-top: 160px;
  margin-top: -160px;
}

@media screen and (min-width: 1361px) {

  .top_concert02 .date .video_stl01 iframe{
        width: 80%;
        height: 400px;
  }
}
@media screen and (max-width: 1360px) {

}
@media screen and (max-width: 1023px) {

}
@media screen and (max-width: 768px) {


  .anchor {
    padding-top: 100px;
    margin-top: -100px;
  }
}
@media screen and (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .sp_hide480 {
    display: none;
  }

  .sp_only {
    display: inline;
  }
}
/* ヘッダー画像
---------------------------------------------------------------------------------------------------------------------------------------*/
header {
  margin-bottom: 50px;
  padding-top: 95px;
}

header .pc_header {
  height: 0;
  /* 表示画像の高さ ÷ 表示画像の幅 × 100 */
  padding-top: 48.6%;
  margin-top: 100px;
  position: relative;
}
header .pc_header .header_txt {
  position: absolute;
  bottom: 108px;
  width: 50%;
}
header .pc_header .header_txt p {
  text-align: right;
  padding-right: 20px;
}
header .pc_header .header_txt p span {
  display: block;
  line-height: 1.4;
  color: #fff;
  font-size: 200%;
  font-weight: bold;
  padding-bottom: 40px;
  font-family: 'Noto Serif JP', serif;
}
header .pc_header .header_txt p img {
  width: 40%;
}

#contents header .pc_header {
  background: url("../images/header03.jpg") top center no-repeat;
  background-size: cover;
}

#contact header .pc_header {
  background: url("../images/header04.jpg") top center no-repeat;
  background-size: cover;
}

#contact.handbook header .pc_header {
  background: url("../images/header05.jpg") top center no-repeat;
  background-size: cover;
}

header .sp {
  display: none;
}
h1.h1_stl{
    font-size: 12px;
    color: #595757;
    line-height: 1.4;
    padding-top: 3px;
    text-align: center;
}

.btn_toiawase{
    text-align: right;
}
.btn_toiawase a img{
    width: 190px;
}

.top_contents {
    position: relative;
    padding-bottom: 20px;
    padding-top: 80px;
    border-top: solid 16px #231815;
}
.top_contents img {
  width: 100%;
}

.logo_stl{
    text-align: center;
}
.logo_stl img{
    max-width: 80%;
    width: 200px!important;
}
header h2{
    margin-top: 80px;
    margin-bottom: 80px;
}

@media screen and (min-width: 1024px) {

}
@media screen and (max-width: 1023px) {
  header .pc_header {
    margin-top: 80px;
  }
  .btn_toiawase{
      padding-top: 1em;
  }
}
@media screen and (max-width: 768px) {
  /*    header .pc_header {
              height: 0;
               表示画像の高さ ÷ 表示画像の幅 × 100 
              padding-top: 40.5%;
              margin-top: 60px;
      }*/
  header {
    margin-bottom: 20px;
  }

  section {
    width: 100%;
  }

  header .pc_header {
    display: none;
  }

  header .sp {
    display: block;
    width: 100%;
    margin-top: 60px;
  }

  header .sp img {
    width: 100%;
    height: auto;
  }
  h1.h1_stl{
      text-align: left;
  }
    .logo_stl img {
        width: 120px !important;
    }

}
@media screen and (max-width: 480px) {
    .btn_toiawase a img {
        width: 50%;
    }
}
/* コンテンツ
---------------------------------------------------------------------------------------------------------------------------------------*/
article {
  width: 100%;
  margin-bottom: 50px;
}

section {
  max-width: 1360px;
  width: 95%;
  margin-right: auto;
  margin-left: auto;
}

.contents-wrap {
  display: flex;
  flex-wrap: wrap;
}

.contents-box {
  width: 100%;
  margin-bottom: 10px;
  padding: 1rem;
}

.contents-box img {
  width: 100%;
  height: auto;
}

.contents-box2 {
  margin-bottom: 10px;
  padding: 1rem;
  width: 50%;
}

.contents-box2 img {
  width: 100%;
  height: auto;
}

.contents-box2.size60 {
  width: 60%;
}

.contents-box2.size40 {
  width: 40%;
}

.contents-box3 {
  margin-bottom: 10px;
  padding: 1rem;
  width: 33.3%;
}

.contents-box3 img {
  width: 100%;
  height: auto;
}

.contents-box4 {
  margin-bottom: 10px;
  padding: 1rem;
  width: 25%;
}

.contents-box4 img {
  width: 100%;
  height: auto;
}

#main_page .top_contents.contents-box{
    padding-top: 0;
}

.flex_box {
  display: flex;
  flex-wrap: wrap;
}

.box_half {
  width: 50%;
}

.box_shindan {
  width: 20%;
}

.text_red {
  color: red;
}

img.img_sp {
  display: none !important;
}

h2.title01 {
  text-align: center;
  /*    font-size: 160%;
      font-weight: bold;
      letter-spacing: .05em;
      text-align: center;
      color: #8D1A3B;
      margin-bottom: 80px;
      span{
          font-size: 90%;
          display: block;
          color: #4D4D4D;
          padding-top: 20px;
          font-family: 'Noto Serif JP', serif;
          font-weight: 900;
      }*/
}
h2.title01 img {
  width: auto;
}

.text_center {
  text-align: center;
}

.btn_more.arrow {
  text-align: center;
  /*    margin-bottom: 50px;*/
}
.btn_more.arrow a {
  position: relative;
  color: #335A73;
  margin-left: -15px;
}
.btn_more.arrow a:after {
  content: "";
  position: absolute;
  box-sizing: border-box;
  width: 15px;
  height: 5px;
  right: -1.2em;
  top: 0;
  bottom: 0;
  margin: auto;
  border: solid 6px transparent;
  border-left: solid 11px #335A73;
}

.news{
    margin-bottom: 0;
}
.news h2{
    font-size: 220%;
    font-family: 'Hina Mincho', serif;
    margin-bottom: 120px;
    color: #1A405F;
}
.news .inner {
  margin-bottom: 10px;
  text-align: center;
}
.news .inner iframe {
  width: 90%;
  height: 200px;
}

.main_contents {
  margin-top: 30px;
}
.main_contents h2 {
  margin-bottom: 80px;
}
.main_contents h3 {
  font-family: 'Hina Mincho', serif;
  font-size: 160%;
  border-bottom: solid 1px #1A405F;
  position: relative;
  padding-left: 5px;
  padding-bottom: 24px;
  margin-bottom: 60px;
}
.main_contents h3 span {
  padding-right: 5em;
}
.main_contents h3 span:after {
  content: "";
  position: absolute;
  width: 12em;
  left: 0;
  bottom: 0;
  border-bottom: solid 10px #1A405F;
}

#tokyo-operaSingers .profile_box {
  margin-bottom: 100px;
}
#tokyo-operaSingers .profile_box img {
/*  width: 40%;*/
/*  float: left;*/
  width: 100%;
  padding-right: 40px;
  padding-bottom: 30px;
}
#tokyo-operaSingers .profile_box h4 {
  font-family: 'Hina Mincho', serif;
  font-size: 140%;
  margin-bottom: 30px;
}
#tokyo-operaSingers .profile_box .profile_detail{
    display: flex;
}
#tokyo-operaSingers .profile_box .profile_detail .box01{
    width: 40%;
}
#tokyo-operaSingers .profile_box .profile_detail .box02{
    width: 60%;
}
#tokyo-operaSingers .status_box{
    margin-bottom: 100px;
}
#tokyo-operaSingers .status_box .box01,#tokyo-operaSingers .profile_box .box01 {
    width: 80%;
    margin: 0 auto;
}
#tokyo-operaSingers .status_box .box01 p,#tokyo-operaSingers .profile_box .box01 p {
  margin-bottom: 30px;
}
#tokyo-operaSingers .status_box .box01 .txt_stl,#tokyo-operaSingers .profile_box .box01 .txt_stl {
  text-align: right;
}

#tokyo-operaSingers .main-concert_box{
    margin-bottom: 50px;
}
#tokyo-operaSingers .main-concert_box .box {
/*    width: 100%;*/
    display: flex;
    justify-content: center;
    margin-left: 3%;
    margin-right: 3%;
}
#tokyo-operaSingers .main-concert_box .box .images_box {
    width: calc(48% - 25px);
    margin: 0 25px;
    margin-bottom: 90px;
}
#tokyo-operaSingers .main-concert_box .box.area02{
    justify-content: space-between;
}
#tokyo-operaSingers .main-concert_box .box.area02 .images_box:first-child {
    width: 35%;
}
#tokyo-operaSingers .main-concert_box .box.area02 .images_box:last-child{
    width: 45%;
}
#tokyo-operaSingers .main-concert_box .box.area03{
    justify-content: flex-start;
    flex-wrap: wrap;
}
#tokyo-operaSingers .main-concert_box .box .images_box iframe {
  width: 100%;
  height: 325px;
  margin: 0 auto;
}
#tokyo-operaSingers .main-concert_box .box .images_box .caption01 {
    padding-bottom: .5em;
}

.btn_mail {
  width: 500px;
  margin: 0 auto 80px;
}

.houjin_box dl {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 250px;
}
.houjin_box dl dt {
    width: 5em;
    display: flex;
    justify-content: space-between;
}
.houjin_box dl dd {
    width: 100%;
    margin-top: 20px;
    margin-left: -5em;
    padding-bottom: 10px;
    padding-left: calc(30px + 5em);
    margin-top: 0;
}
.houjin_box dl dd a{
    color: #4D4D4D;
}
.houjin_box dl dd a:link{
    color: #4D4D4D;
}
.houjin_box dl dd .fnt_ss{
    line-height: 0;
}
.houjin_box .bnt_link{
    display: flex;
    justify-content: center;
}
.houjin_box .bnt_link a{
    margin: 0 1em;
    padding: .5em 1em;
    background: #FF0000;
    border: solid 1px #ff0000;
    border-radius: .6em;
    color: #fff;
    transition: all .3s;
}
.houjin_box .bnt_link a:hover{
    text-decoration: none;
    color: #ff0000;
    background: transparent;
}
.houjin_box .bnt_link a:after{
    content: "\000BB";
    padding-left: 1em;
}
.houjin_box .bnt_link a.official{
    background: #000000;
    border: solid 1px #000000;
}
.houjin_box .bnt_link a.official:hover{
    color: #000000;
    background: transparent;
}

@media screen and (min-width: 1501px) {

}
@media screen and (min-width: 1361px) {

}
@media screen and (max-width: 1360px) {


}
@media screen and (max-width: 1024px) {

}
@media screen and (max-width: 1023px) {

}
@media screen and (max-width: 768px) {
  .contents-box2 {
    width: 100%;
  }

  .contents-box2.size60 {
    width: 100%;
  }

  .contents-box2.size40 {
    width: 100%;
  }

  .contents-box3 {
    width: 100%;
  }

  .contents-box4 {
    width: 50%;
  }

  .box_half {
    width: 100%;
  }

  .box_shindan {
    width: 50%;
  }

  .btn_text {
    font-size: 24px;
  }

  .news .inner {
    text-align: left;
  }
  .news .inner iframe {
    width: 100%;
  }
  .news h2{
      margin-bottom: 60px;
  }

  .main_contents {
    margin-top: 20px;
  }
  .main_contents article{
      margin-bottom: 0;
  }

  #tokyo-operaSingers .status_box{
      margin-bottom: 50px;
  }
  #tokyo-operaSingers .profile_box {
    margin-bottom: 50px;
  }
  #tokyo-operaSingers .profile_box .profile_detail {
    display: flex;
    flex-wrap: wrap;
  }
  #tokyo-operaSingers .profile_box .profile_detail .box01 {
    width: 100%;
    text-align: center;
    order: 2;
  }
  #tokyo-operaSingers .profile_box .profile_detail .box01 img {
    width: 80%;
    padding-right: 0;
    float: none;
  }
  #tokyo-operaSingers .profile_box .profile_detail .box02 {
    order: 1;
    width: 100%;
    margin-bottom: 40px;
  }
  #tokyo-operaSingers .status_box .box01,#tokyo-operaSingers .profile_box .box01 {
    width: 100%;
    padding-right: 0;
  }
  #tokyo-operaSingers .main-concert_box .box {
/*    width: 100%;*/
    flex-direction: column;
  }
  #tokyo-operaSingers .main-concert_box .box .images_box {
    text-align: center;
    width: 90%;
    margin: 0 auto;
    margin-bottom: 4em;
  }
  #tokyo-operaSingers .main-concert_box .box.image_area .images_box{
    width: 90%;
  }
  #tokyo-operaSingers .main-concert_box .box .images_box iframe {
/*    width: 85%;*/
    height: calc(1vw * 40);
  }
  
  #tokyo-operaSingers .main-concert_box .box.area02 .images_box:first-child,
  #tokyo-operaSingers .main-concert_box .box.area02 .images_box:last-child{
      width: 90%;
  }
  #tokyo-operaSingers .main-concert_box {
        margin-bottom: 0;
    }
    #tokyo-operaSingers .main-concert_box .box .images_box p{
        text-align: left;
    }

  .houjin_box dl{
      margin-bottom: 100px;
  }
  
  .houjin_box .bnt_link{
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .houjin_box .bnt_link a{
    margin-bottom: 1.5em;
    width: 70%;
    min-width: 19em;
  }

  .sp_only_kaigyo {
    display: block;
  }



  img.img_pc {
    display: none !important;
  }

  img.img_sp {
    display: inline !important;
  }
}
@media screen and (max-width: 480px) {
    .top_contents{
        border-top: solid 12px #231815;
    }
    h1.h1_stl{
        font-size: 11px;
    }
    header{
        padding-top: 55px;
    }

  h2.title01 {
    font-size: 140%;
    margin-bottom: 50px;
    letter-spacing: 0;
  }
  h2.title01 span {
    padding-top: 10px;
  }
  h2.title01 img {
    height: 45px;
  }



  .msg_stl {
    font-size: 120%;
  }
  
  .logo_stl img {
    width: 100px !important;
}

  .news .inner iframe {
    height: 260px;
  }
  .news h2.title01{
      font-size: 200%;
  }

  .btn_mail {
    width: 80%;
    margin-bottom: 40px;
  }

  .main_contents {
    margin-top: 0;
  }
  .main_contents h2.title01 {
    margin-bottom: 80px;
  }
  .main_contents h3{
      font-size: 130%;
  }

  .main_contents .status_box h3{
      font-size: 130%;
      white-space: nowrap;
  }
  .main_contents h3 span {
    padding-right: 0;
  }
  .main_contents h3 span:after {
    width: 9em;
  }

  .main_contents #history h3 span:after {
    width: 6em;
  }

  #tokyo-operaSingers .main-concert_box .box .images_box iframe {
/*    width: 90%;
    height: 250px;*/
    height: calc(1vw * 45);
  }
    #tokyo-operaSingers .profile_box {
        margin-bottom: 60px;
    }
    
  .houjin_box dl dd{
        padding-left: 0;
        padding-top: 1.6em;
        margin-bottom: 0.3em;
  }
  .houjin_box dl {
    margin-bottom: 60px;
}
}
@media screen and (max-width: 320px) {

}


@media screen and (max-width: 768px) {

}
.btn_back{
    text-align: center;
}
.btn_back a{
    margin-top: 100px;
    display: inline-block;
    font-weight: bold;
    background: #335A73;
    padding: 10px 40px;
    border-radius: 3px;
    border: solid 1px #335A73;
    color: #fff;
    transition: all .2s;
}
.btn_back a:hover{
    text-decoration: none;
    background: #fff;
    color: #335A73;
}


/* フッター
---------------------------------------------------------------------------------------------------------------------------------------*/
footer {
  padding-top: 10px;
  color: #fff;
}
footer article {
  margin-bottom: 0;
}
footer .copy{
    background: #231815;
    text-align: center;
    font-size: 90%;
    padding: .6em 0;
}

@media screen and (max-width: 768px) {
  footer {
    padding-top: 0;
  }

  footer article section {
    width: 100%;
  }


}
@media screen and (max-width: 480px) {
}
@media screen and (max-width: 350px) {

}
/* Scroll To Top
---------------------------------------------------------------------------------------------------------------------------------------*/
#scrolltotop {
  z-index: 999999;
  visibility: hidden;
  opacity: 0.2;
  position: fixed;
  bottom: 40px;
  right: 5px;
  padding: 8px 10px 5px;
  line-height: normal;
}

#scrolltotop.visible {
  visibility: visible;
  opacity: 0.5;
}

#scrolltotop.visible {
  transition: all .8s ease-in-out;
}

#scrolltotop:hover {
  opacity: 1;
}

#scrolltotop img {
  width: 80px;
}

@media screen and (max-width: 480px) {
  #scrolltotop {
    bottom: 20px;
  }

  #scrolltotop img {
    width: 60px;
  }
}
@media screen and (min-width: 768px) {
  a[href^="tel:"] {
    pointer-events: none;
  }
}


/* フッターリンク　非表示処理 */
footer .f_banner .contents-wrap .flex_box a:last-child{
    pointer-events: none;
}
footer .f_banner .contents-wrap .flex_box a:last-child .banner .banner_img{
    height: 70px;
    display: block;
}
footer .f_banner .contents-wrap .flex_box a:last-child .banner .banner_img img{
    display: none;
}
footer .f_banner .contents-wrap .flex_box a:last-child .banner h3{
    display: none;
}
@media screen and (max-width: 768px) {
    footer .f_banner .contents-wrap .flex_box a:last-child .banner .banner_img{
        height: 30px;
    }
}