@charset "UTF-8";

/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&display=swap');


html, body, div, span, applet, object, iframe,h1, h2, h3, h4, h5, h6, p, blockquote, pre,a, abbr, acronym, address, big, cite, code,del, dfn, em, img, ins, kbd, q, s, samp,small, strike, strong, sub, sup, tt, var,
b, u, i, center,dl, dt, dd, ol, ul, li,fieldset, form, label, legend,table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,figure, figcaption, footer, header, hgroup,menu, nav, output, ruby, section, summary,time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}

table {
border-collapse: collapse;
border-spacing: 0;
}

/* box-sizing */
* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

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

/* hover img alpha2 */
a img.alpha {
  transition: all 0.2s ease 0s;
}
a:hover img.alpha {
  opacity: 0.8;
  filter: alpha(opacity=0.8);
  -ms-filter: "alpha( opacity=0.8 )";
}

.sub_wb {
   display: inline-block;
}

sup {
  vertical-align: super;
}

/* for sp link */
#sp_btn {
  display: none;
  text-align: center;
  padding-top: 40px;
}

body {
  margin: 0;
  padding: 0;
  width: 100% !important;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue","ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;

  font-size: 1.8rem;
  font-weight: normal;
  color: #000;
  letter-spacing: 0.02em;
  z-index: 1;

  -webkit-text-size-adjust: 100%; /*スマホ自動調整対策*/
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -moz-font-feature-settings: "palt";
  -webkit-font-feature-settings: "palt";
  font-feature-settings: "palt";
  background: #fff;
}


/* hover img alpha2 */
a img.alpha {
  transition: all 0.2s ease 0s;
}
a:hover img.alpha {
  opacity: 0.8;
  filter: alpha(opacity=0.8);
  -ms-filter: "alpha( opacity=0.8 )";
}


/* ルビ */
[data-ruby] {
   position: relative;
}
[data-ruby]::before {
   content: attr(data-ruby);
   position: absolute;
   top: -1.2em;
   left: 0;
   right: 0;
   margin: auto;
   font-size: 0.5em;
   zoom: 0.5;
}

[data-ruby2] {
   position: relative;
}
[data-ruby2]::before {
   content: attr(data-ruby2);
   position: absolute;
   top: -3.5em;
   left: 0;
   right: 0;
   margin: auto;
   font-size: 0.4em;
   zoom: 0.5;
}

.social_box {
   text-align: center;
  padding-top: 5px;
  padding-bottom: 5px;
}

.social_buttons {
   display: inline-block;
   text-align: left;
}

.wrap {
  width: 100%;
  margin: 0 auto;
  border-top: 6px solid #000;
  position:relative;
}

.article_header {
  width: 100%; /* android view point */
  height: 100%;
  margin: 0 auto;
  position:relative;
}

.head_catch_box {
  width: 100%;
  margin: 0 auto;
  background: #fff;
}

.front_img {
  position: absolute;
  top: 0;
  left: 0;
  width: 29%;
  height: 0;
  padding-top: calc(140/350 * 29%); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(img_front.png) top center / cover no-repeat;
  overflow: hidden;
  z-index:10;
  filter: drop-shadow(3px 3px 5px rgba(0,0,0,0.25));

}

.head_catch {
  padding: 2.5% 3% 12px 29%;
  
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  text-align: left;
  font-size: clamp(1.3rem, calc(1vw + 1.3rem), 2rem);
  line-height: 1.25;
  color: #eb0000;
}

.title_box {
  width: 100%;
  margin: 0 auto;
  position: relative;
/* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#150000+0,97071c+20,d60b2a+100 */
background: linear-gradient(to right,  #150000 0%,#97071c 20%,#eb0000 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
}

h1 {
  padding: 1.5% 3% 1.5% 29%;
  width: 100%;
   font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(2rem, calc(1.5vw + 1.5rem), 4.5rem);
  line-height: 1.25;
   font-weight: 700;
  position: relative;
   letter-spacing: 0.05em;
   color: #fff;
  display: block;
  filter: drop-shadow(3px 3px 5px rgba(51,20,0,0.3));

}


/* 記事メインイメージ */
.head_img_01 {
  width: 100%; /* android view point */
  height: 0;
  padding-top: calc(246/1200 * 100%); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(bg_main.jpg) top center / cover no-repeat;
   position: relative;
   z-index: 1;
   animation: show 2s ease 0s 1 normal;
}


.main_ttl {
  position: absolute;
  top: 0;
  left: 0;
   width: 100%;
  height: 0;
  padding-top: calc(246/1200 * 100%); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(img_ttl.svg) top left / cover no-repeat;
   animation: show 2s ease 0s 1 normal;
   z-index: 2;
}


@keyframes show {
  0% {
  opacity:0;
    left: 0;
  }
  100% {
  opacity:1;
    left: 0;
  }
}


.atcl_leadarea {
  position: static;
  width: 100%;
  margin: 0 auto 30px;
  z-index: 3;
  padding: 2%;
   background: #f0f0f0;
   border-bottom: 1px solid #333;
}

.atcl_lead {
   width: 100%;
   max-width: 860px;
   margin: 0 auto;
  font-size: 18px;
  color: #333;
  text-align: justify;
  line-height: 1.8;
}


main {
  width: 100%;
  margin: 0 auto;
  display: block;
}

main img {
  width: 100%;
}

.non_lead {
  position: relative;
  z-index: 4;
  margin-top: -7%;
}

.non_lead2 {
  position: static;
  z-index: 5;
  margin: 0 auto;
}

.sec1_cover {
   width: 100%;
   margin: 0 auto;
   background-size: cover;
}

.sec1_cover_bg {
   padding-bottom: 2%;
   background:  #DDDDDD; 
}

.sec1_cover_bg2 {
   padding-bottom: 2%;
background: #DFECF4;
}

.sec1_cover_bg3 {
   padding: 1% 0;
   background:  #EFEFEF; 
}


.sec1 {
   width: 100%;
   margin: 0 auto;
   padding: 0;
}


.pt1 {
   padding-top: 1% !important;
}

.pt3 {
   padding-top: 2% !important;
}

.pb3 {
   padding-bottom: 3% !important;
}

.pb4 {
   padding-bottom: 4% !important;
}

main p {
  color: #333;
  font-size: 1.05rem;
  line-height: 1.9;
  text-align: justify;
  padding-bottom: 2%;
  text-indent: 1.05rem;
}

.sec1_inner {
  box-sizing: border-box;
  width: 94%;
  max-width: 960px;
  height: 100%;
  margin: 0 auto;
  padding: 0 3% 50px;
  position: relative;
}

.sec1_inner:after {
  content:'';
  width:7px;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
background: #000000; /* Old browsers */
background: -moz-linear-gradient(top,  #000000 0%, #eb0000 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top,  #000000 0%,#eb0000 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom,  #000000 0%,#eb0000 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000000', endColorstr='#eb0000',GradientType=0 ); /* IE6-9 */
}

.note {
  font-size: 14px;
  padding-bottom: 2%;
}

h2 {
  margin: 20px auto;
   position: relative;
   padding: 0 2em 0 0.5em;
  font-size: 26px;
  line-height: 1.4;
  color: #eb0000;
  font-weight: bold;
  text-align: left;
  border-left: solid 7px #eb0000;
  z-index: 1;
}

h2:after {
  position: absolute;
  content: " ";
  display: block;
  border-left: solid 7px #000;
  top: 0;
  left: -7px;
  height: 50%;
}

.h2_item {
   padding-right: 100px;
}

.h2_item:before {
  content: "";
  position: absolute;
  background: #2A2728 url(img_h2_1.jpg) 0 0 no-repeat;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  top: 50%;
  right: -15px;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  z-index: 10;
background-size:contain;
}

.h2_item2 {
   padding-right: 150px;
}

.h2_item2:before {
  content: "";
  position: absolute;
  background: url(logo_riiiver.png) 0 0 no-repeat;
  width: 150px;
  height: 100px;
  top: 0;
  right: -15px;
  z-index: 10;
background-size:contain;
}


h3 {
  margin: 0 auto 20px;
   position: relative;
   padding: 0.4em 0.5em 0;
  font-size: 20px;
  line-height: 1.4;
  color: #000;
  font-weight: bold;
  text-align: center;
  z-index: 1;
}

h4 {
  position: absolute;
   top: 0;
   left: 0;
   padding: 1% 2%;
  font-size: 125%;
  line-height: 120%;
  color: #FFF;
  font-weight: bold;
  text-align: center;
   background: #263A69;
}

h5 {
   display: block;
  font-size: 115%;
  line-height: 130%;
  color: #263A69;
  font-weight: bold;
  text-align: center;
   padding-top: 17px;
   padding-bottom: 10px !important;
}

.link_area {
   width: 100%;
   margin: 0 auto;
   padding: 2% 0;
   border-top: 1px solid #eb0000;
   border-bottom: 1px solid #eb0000;
}
 
.link_box {
   margin: 0 auto;
   width: 96%;
   max-width: 960px;
   display: flex;

   justify-content: center;
   align-items: flex-start;
   align-content: stretch;
   flex-wrap: wrap;
}

.link_flex1 {
   width: 22%;
   padding: 1%;
   margin-right: 1%;
   margin-bottom: 1%;
   text-align: center;   
   font-size: 100%;
   line-height: 150%;
   font-weight: bold;
   position:relative;
   border-radius: 5px;
   background: rgba(204,0,11,0.8);
  align-self: stretch;
}

.link_flex1 a {
   color:#FFF;
  text-decoration: none;
   text-align: center;   
}


.link_flex1:hover {
   background: rgba(204,0,11,0.6);
}

.link_txt {
   padding-top: 1%;
   text-align: center;
   font-size: 92%;
   line-height: 160%;
}

.map {
   position:relative;
}


.img_01 {
   position: absolute;
   top: 3%;
   right: 0;
  width: 320px;
  margin: 0 auto;
}

.img_02 {
  float: right;
  width: 320px;
  margin: 0 auto;
  padding: 5px 0 15px 70px;
}

.img_area {
   position: relative;
   margin: 0;
   padding: 0;
   line-height: 0;
}

.img_area img {
   display: block;
   vertical-align: bottom;
}

.name {
   position: absolute;
   bottom: 0px;
   left: 0;
   width: 100%;
   padding: 2%;
   font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  line-height: 1.4;
/* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#000000+15,000000+100&0+30,0.3+100 */
background: linear-gradient(to right,  rgba(0,0,0,0) 15%,rgba(0,0,0,0) 30%,rgba(0,0,0,0.3) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
background: rgba(0,0,0,0.3);
   z-index: 2;
   color: #FFF;
   border-bottom: 3px solid #eb0000;
   vertical-align: bottom;
   font-weight:700;
   text-align: left;
   display: flex;
   justify-content: space-between;
}

.name-item {
  +.name-item {
    text-align: right;
  }
}

.name_small {
  font-size: 0.78rem;
   letter-spacing: -0.02em;
}

.name_bold {
   padding-top: 10px;
   font-weight:bold;
   font-size: 1.1rem;
   letter-spacing: -0.02em;
}

.name_01 {
   background: rgba(42,39,40,0.6);
}

.name_02 {
   background: rgba(42,39,40,0.6);
}

.name_03 {
   background: rgba(0,0,0,0.9);
}

.caption {
   display: block;
   width: 100%;
  max-width: 700px;
  margin: 5px auto 20px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #333;
  text-align: justify;
}

.caption2 {
   display: block;
   width: 94%;
  max-width: 480px;
  margin: 5px auto 20px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #333;
  text-align: center;
  letter-spacing: -0.01em;
}

.mmt {
   margin-top: -20% !important;
}

.img_03 {
  width: 600px;
  margin: 0 auto;
   padding: 0;
}

.img_04 {
   display: none;
}

.img_box {
   width: 100%;
   margin: 3% auto 0;
   padding: 0 0 30px;
   text-align: center;
}

.img_box2 {
   width: 90%;
   max-width: 720px;
   margin: 0 auto;
   padding: 20px 0 30px;
   text-align: center;
}

.caption_03 {
  width: 94%;
   margin: 5px auto 30px;
  font-size: 1.15rem;
  line-height: 1.45;
  text-align: center;
   font-weight: bold;
  color: #333;
}



.img_add {
   display: block;
   position: relative;
  float: right;
  width: 400px;
  margin: 5px 0 3% 3% !important;
  padding:0;
   overflow: hidden;
  vertical-align: bottom;
}

.img_add2 {
   display: block;
   position: relative;
  float: right;
  width: 340px;
  margin: 5px 0 0 3%;
  padding:0;
  overflow: hidden;
   
}


.up_txt {
   position: relative;
   z-index: 2;
}



.img_add img {
  width: 100%;
   vertical-align: bottom;
}

.img_add2 img {
  width: 100%;
}



footer {
  width: 100%;
  margin: 0 auto 30px;
  border-top: 1px solid #eb0000;
   background: #FFF;
  padding-bottom: 20px;
}


.triangle{
  width: 0px;
  height: 0px;
  border: 7px solid;
  border-color: transparent transparent transparent white;
  position: absolute;
  top: 19px;
  bottom: 15px;
  right: 15px;
}

.triangle2 {
  width: 0px;
  height: 0px;
  border: 7px solid;
  border-color: transparent white transparent transparent;
  position: absolute;
  top: 19px;
  bottom: 15px;
  left: 5px;
}


.button-4 a{
  display: block;
  width: 100%;
   height: auto;
  text-align:center;
  cursor:pointer;
  position:relative;
  box-sizing:border-box;
  overflow:hidden;
  padding: 1.5em 2%;
  margin: 0 auto 10px;
  color:#FFF;
  text-decoration:none;
  transition:all .5s ease;
  line-height: 140%;
background: #eb0000;
  font-weight: bold;
  font-size: 1.1rem;
  line-height: 1.5;
}
.button-4:hover a{
  opacity: 0.8;
}

.b_txt {
  font-weight: bold;
}

.mb50 {
  padding-bottom: 50px;
}

.mb20 {
  padding-bottom: 20px;
}

.button-5{
  width: 600px;
   height:80px;
  background: rgba(12,60,105,1.0);
  text-align:center;
  cursor:pointer;
  position:relative;
  box-sizing:border-box;
  overflow:hidden;
  margin: 50px auto;
}
.button-5 a{
  font-size:16px;
  color:#FFF;
  text-decoration:none;
  line-height:50px;
  transition:all .5s ease;
  z-index:2;
  position:relative;
}
.eff-5{
  width:600px;
  height:80px;
  left:600px;
  background: rgba(7,145,189,0.7);
  position:absolute;
  transition:all .5s ease;
  z-index:1;
}
.button-5:hover .eff-5{
  left:0;
}
.button-5:hover a{
  color:#fff;
}

.add_border {
  border-bottom: 1px solid #eb0000;
}


.logo {
  margin: 3% auto 0;
  width: 94%;
   max-width: 250px;
  text-align: center;
}

.bnr_area {
   width: 100%;
   margin: 0 auto;
   padding: 3% 0;
   display: flex;
   justify-content: center;
}

.f_bnr {
   padding: 2% 0.5%;
  width: 300px;
  text-align: center;
}

.f_bnr img {
   width: 100%;
}

.f_bnr_bdr {
   border-right:1px solid #FFF;
}

.flex-container {
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  justify-content: center;
}
.flex-item:nth-child(1) {
  /* -webkit-flex: 0 1 15%;
  -ms-flex: 0 1 15%;
  flex: 0 1 15%; */
   font-weight: bold;
   padding: 0 10px;
   border-right: 1px solid #000;
   text-align: right;
}
.flex-item:nth-child(2) {
  /* -webkit-flex: 0 1 85%;
  -ms-flex: 0 1 85%;
  flex: 0 1 85%; */
   padding: 0 15px;
   text-align: left;
}


.localFooter {
  line-height: 150%;
}

/* pager */
.pager {
  overflow: hidden;
  margin: 2% auto;
  padding: 5px 0
}
 
.pager ul {
  list-style: none;
  position: relative;
  left: 50%;
  float: left;
}
 
.pager ul li {
  margin: 0 5px;
  position: relative;
  left: -50%;
  float: left;
}

.pager ul li span,
.pager ul li a {
  display: block;
  font-size: 1.1rem;
  padding: 0.7em 0.9em;
  font-weight: bold;
  text-align: center;
  width: 42px;
}
 
.pager ul li a {
  color: #333;
  text-decoration: none;
}
 
.pager ul li a:hover {
  background:#eb0000;
  color: #FFF;
}

.current {
  background:#eb0000;  
  color: #FFF;  
}

 .over_txt {
  overflow: auto;
}

.main_name_box {
   margin: 2% auto 0;
   display: flex;
   color: #333;
justify-content: center;
align-items: flex-start;
  width: 100%;
  align-content: stretch;
}

.main_name_box2 {
   margin: 0 auto 2.5%;
   display: flex;
   color: #333;
justify-content: center;
align-items: flex-start;
  width: 80%;
  align-content: stretch;
}

.main_name_box p {
   font-size: 88%;
   line-height: 160%;
}
.name_flex1 {
   width: 32%;
   margin-right: 2%;
   text-align: center;   
   font-size: 100%;
   line-height: 130%;
   color:#333;
   position:relative;
}

.name_flex1:nth-child(n+3) {
   margin-right: 0;
}

.name_post {
   position: absolute;
   left: 0;
   bottom: 0;
   width: 98%;
   background: rgba(127,126,127,0.7);
   padding: 1%;
   font-size: 0.9rem;
   line-height: 1.5;
   color:#FFF;
   font-weight: bold;
}


.logo img {
   width: 100%;
}

.footer_txt {
   width: 100%;
   margin: 2% auto !important;
   font-size: 1rem;
   font-weight: bold;
   line-height: 2;
   color: #333;
   text-align: center;
   padding-bottom: 30px;
   padding-left: 10px;
   padding-right: 10px;
}

.ft_nml {
  font-size: 85%;
  line-height: 140%;
  font-weight: normal;
}

.ft_nml a {
  word-break: break-all;
}

.gf_box {
   margin: 0 auto;
   padding: 1% 0 2%;
   display: flex;
   color: #333;
justify-content: center;
align-items: flex-start;
  width: 100%;
  align-content: stretch;
}

.gf_flex1 {
   width: 67%;
   margin-right: 2%;
   text-align: center;   
   font-size: 100%;
   line-height: 130%;
   color:#333;
}

.gf_flex2 {
   width: 29%;
   font-size: 100%;
   line-height: 130%;
   color:#333;
   position:relative;
   border: 2px solid #263A69;
   background: #CCD193;
   padding: 2%;
}


.mv_youtube {
  position: relative;
  width: 94%;
  margin: 0 auto;
  padding-top: 52.875%;
}
.mv_youtube iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
}


.g03 {
   width: 100%;
   margin: 0 auto;
}

.sp_g03 {
   display: none;
}

/*
.caution {
  background: #000;
  padding: 0.15rem 0.3rem;
  color: #FFF;
  font-weight: bold;
  border-radius: 100vh;
}
*/

.caution {
  font-weight: bold;
  border-top: 1px solid #000;
  border-bottom: 1px solid #000;
  padding: 0.15rem 0.3rem;
}

.pb40 {
  padding-bottom: 40px;
}

.sp-in {
  display: none;
}

@media screen and (min-width: 1920px) {

.article_header, main, footer {
  width: 100%; /* android view point */
  max-width: 1600px;
  height: 100%;
  margin: 0 auto;
   position: relative;
}
}
@media screen and (max-width: 1100px) {
  h1 {
    font-size: calc(40 / 1100 * 100vw);
  }
}

@media screen and (max-width: 999px) {

  h1 {
    font-size: calc(36 / 999 * 100vw);
  }

.atcl_leadarea {
  position: static;
  width: 100%;
  margin: 0 auto;
  z-index: 1;
  text-align: center;
  padding: 3%;
}

.atcl_lead {
   width: 94%;
   margin: 0 auto;
  font-size: 1rem;
  color: #333;
}




main {
  width: 100%;
  margin: 0 auto;

}

.sec1 {
   width: 100%;
   margin: 0 auto;
   padding: 0 3%;
}

.img_add {
  float: none;
  margin-left: auto !important;
  margin-right: auto !important;
}


.main_name_box2 {
   margin: 2% auto 2.5%;
   display: flex;
   color: #333;
justify-content: center;
align-items: flex-start;
  width: 90%;
  align-content: stretch;
}




.txt0 {
padding-left:0;
text-indent:0;
}

.txt1 {
  padding-left:0;
}

.img_01 {
  width: 80%;
  margin: 0 auto;
  padding: 5px 3% 15px 0;
}

.img_01 img {
   width: 100%;
}

.img_02 {
  float: right;
  width: 35%;
  margin: 0 auto;
  padding: 5px 0 15px 3%;
}



.f_bnr {
   padding: 2% 1%;
  width: 300px;
}


.img_03 {
  width: 96%;
  margin: 0 auto 4%;
  position:relative;
}

.name_area {
   font-size: 115%;
}


h4 {
  font-size: 110%;
}

h5 {
  font-size: 110%;
}


.pt3 {
   padding-top: 3% !important;
}

.link_flex1 {
   font-size: 92%;
}


.pb40 {
  padding-bottom: 4%;
}


}



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


}


@media screen and (max-width: 767px) {
.front_img {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  padding-top: calc(80/767 * 100%); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(img_sp_front.png) top center / cover no-repeat;
  overflow: hidden;
  z-index:10;
  filter: none;

}

.head_catch {
  padding: 2% 3%;
  
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  text-align: left;
  font-size: clamp(1.3rem, calc(1vw + 1.3rem), 2rem);
  line-height: 1.25;
  color: #eb0000;
}

h1 {
  padding: 3%;
  width: 100%;
   font-family: 'Noto Sans JP', sans-serif;
  /* font-size: clamp(1.5rem, calc(1.5vw + 1.75rem), 4.5rem); */
  font-size: calc(38 / 767 * 100vw);
  line-height: 1.25;
   font-weight: 700;
  position: relative;
   letter-spacing: 0.05em;
   color: #fff;
  display: block;
  filter: drop-shadow(3px 3px 5px rgba(51,20,0,0.3));

}



.img_03 {
   width: 94%;
   margin: 1% auto;
}

.img_04 {
   display: block;
   width: 94%;
   margin: 1% auto;
}

.caption_01 {
   display: block;
   width: 94%;
  margin: 5px auto 20px;
  font-size: 80%;
  line-height: 160%;
  color: #333;
}



.sub1 {
   font-size: 110%;
   font-weight: bold;
}

.sub2 {
   font-size: 110%;
   font-weight: bold;
   color: #11376B;
}

.txt0 {
padding-left:0;
text-indent:0;
}

.sec1 {
   width: 100%;
   margin: 0 auto;
   padding: 0 2%;
}

.bnr_area {
   width: 100%;
   margin: 0 auto;
   display: flex;
   flex-direction: column;
}

.f_bnr {
   padding: 2% 6% !important;
  width: 88% !important;
}

.f_bnr img {
   width: 100% !important;
}

.f_bnr_bdr {
   border-right: none;
   border-bottom: 1px solid #FFF;
}

.flex-item:nth-child(1) {
  -webkit-flex: 0 1 15%;
  -ms-flex: 0 1 15%;
  flex: 0 1 15%;
   font-weight: bold;
   padding: 0 2%;
   text-align: right;
}
.flex-item:nth-child(2) {
  -webkit-flex: 0 1 85%;
  -ms-flex: 0 1 85%;
  flex: 0 1 85%;
   padding: 0 2%;
   text-align: left;
}

.main_name_box {
   margin: 2% auto 3%;
   display: flex;
   flex-direction: column;
   line-height: 140%;
   color: #333;
   width: 90%;
}

.main_name_box2 {
   margin: 0 auto 2.5%;
   display: flex;
   color: #333;
   flex-direction: column;
   line-height: 140%;
   color: #333;
   width: 80%;
}



.main_name_box p {
   font-size: 92%;
   line-height: 160%;
}
.name_flex1 {
   width: 90%;
   margin: 1% auto !important;
   text-align: center;   
   font-size: 100%;
   line-height: 130%;
   color:#333;
   position:relative;
}

.name_flex2 {
   width: 100%;
   margin: 1% auto;
}


.gf_box {
   margin: 0 auto;
   padding: 2%;
   display: flex;
   color: #333;
   flex-direction: column;
}

.gf_flex1 {
   width: 96%;
   margin-right: 0 !important;
   margin-bottom: 2%;
}

.gf_flex2 {
   width: 92%;
}


h5 {
  font-size: 118%;
  line-height: 145%;
  color: #263A69;
  font-weight: bold;
  text-align: center;
   padding-top: 35px;
   padding-bottom: 2%;
}




}



@media screen and (max-width: 639px) {

/* h1 {
  font-size: clamp(1.5rem, calc(1.5vw + 1.5rem), 2.5rem);
} */



.atcl_lead {
  font-size: 1rem;
}

h2 {
  font-size: 1.4rem !important;
}

h3 {
  font-size: 1.3rem !important;
}

.sec1_inner {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  padding: 0 2% !important;
}




main p {
   font-size: 1rem;
   line-height: 1.8;
}


.img_01 {
  float: none;
  width: 70%;
  margin: 0 auto;
  padding: 5px 0 15px 0;
}

.img_02 {
  float: none;
  width: 70%;
  margin: 0 auto;
  padding: 5px 0 15px 0;
}


.button-5{
  width: 300px;
   height:40px;
}

.eff-5{
  width:300px;
  height:40px;
  left:300px;
}

#note_text {
   text-align: left;
}

#note_text br {
   display:none;
}

.h2_item {
   padding-right: 20%;
}

.h2_item:before {
  content: "";
  position: absolute;
  background: #2A2728 url(img_h2_1.jpg) 0 0 no-repeat;
  width: 20%;
  height: 85%;
  border-radius: 50%;
  top: 50%;
  right: -15px;
  z-index: 10;
background-size:contain;
}

.h2_item2 {
   padding-right: 25%;
}

.h2_item2:before {
  content: "";
  position: absolute;
  background: url(logo_riiiver.png) 0 0 no-repeat;
  width: 25%;
  top: 0;
  right: -15px;
  z-index: 10;
background-size:contain;
}

.button-4 a{
  display: block;
  width: 100%;
   height: auto;
  text-align:center;
  cursor:pointer;
  position:relative;
  box-sizing:border-box;
  overflow:hidden;
  padding: 1em 2%;
  color:#FFF;
  text-decoration:none;
  transition:all .5s ease;
}

.img_add {
  float: none;
  width: 75%;
  margin: 0 auto 4% !important;
  padding-top: 15px;
}
.name_small {
  font-size: 0.7rem;
}
.name_bold {
  font-size: 1rem;
}


.img_add2 {
   display: block;
   position: relative;
  float: none;
  width: 100%;
  margin: 10px auto 4%;
  padding-top: 15px;
  
}

.link_box {
   margin: 0 auto;
   width: 96%;
   max-width: 94%;
   display: flex;

  flex-direction: column;
}

.link_flex1 {
   width: 98%;
   margin-right: 0;
}

.sec1_inner:after {
   display: none;
}


.img_box {
   width: 100%;
   margin: 3% auto 0;
   padding: 0 0 20px;
}

.img_box2 {
   width: 100%;
   margin: 0 auto;
   padding: 0 0 50px;
   text-align: center;
}


.mv_youtube {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding-top: 56.25%;
}


.caption {
   width: 100%;
}


}


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

.head_catch {
  /* font-size: clamp(1.1rem, calc(1vw + 1.1rem), 1.5rem); */
  font-size: calc(25 / 480 * 100vw);
  line-height: 1.25;
  color: #eb0000;
}



/* h1 {
  font-size: clamp(1.4rem, calc(1vw + 1.4rem), 2.5rem);
} */



h2 {
  font-size: 1.2rem;
}

.f_bnr {
  margin: 2.5% auto 1%;
  width: 90%;
  text-align: center;
}

.name {
  font-size: 0.8rem;
  line-height: 1.3;
}

.name_area {
   height: 6%;
}


.triangle{
  display:none;
}

.triangle2 {
  display:none;
}


.flex-item:nth-child(1) {
  -webkit-flex: 0 1 15%;
  -ms-flex: 0 1 15%;
  flex: 0 1 15%;
   font-weight: bold;
   padding: 0 2%;
   text-align: right;
   font-size: 0.85rem;
}
.flex-item:nth-child(2) {
  -webkit-flex: 0 1 85%;
  -ms-flex: 0 1 85%;
  flex: 0 1 85%;
   padding: 0 2%;
   text-align: left;
   font-size: 0.85rem;
}

.logo {
  margin: 5% auto 2%;
  width: 94%;
   max-width: 200px;
  text-align: center;
}

.name {
  display: block;
}
.name_small {
  font-size: 0.65rem;
}
.name_bold {
  padding-top: 4px;
}

.sp-in {
  display: inline-block;
}

}



@media print, screen and (min-width:768px) and (max-width:850px) {


h2 {
  font-size: 1.8rem;
}


h5 {
  font-size: 0.9rem;
  line-height: 1.2;
  color: #263A69;
  font-weight: bold;
  text-align: center;
   padding-top: 6.5%;
   padding-bottom: 2%;
}


}

@media print, screen and (min-width:1000px) and (max-width:1280px) {


}

@media screen and (max-width: 375px) {
h1 {
  /* font-size: clamp(1.2rem, calc(1vw + 1.2rem), 2rem); */
  font-size: calc(19 / 375 * 100vw);
}



.img_add {
  float: none;
  width: 90%;
  margin: 0 auto 4% !important;
  padding-top: 15px;
  
}


.social_box {
   text-align: center;
  padding: 5px;
}


.pb3 {
   padding-bottom: 4% !important;
}

.pb4 {
   padding-bottom: 5% !important;
}


}