/*

【CSS記述ルール】

① font-sizeはpxで指定してください
　（rem、%等の指定はしないようお願いいたします）

② xxxxxx はディレクトリ名に変更してください

③ 必ずディレクトリ名が付いたidセレクタを先頭に記述した後に、要素を記述してください
　（例：#strong .inner、#strong .page-title 等）

④ CSS内の画像指定パスは、CSSファイルから見た相対パスで指定してください
　（例：../images/ディレクトリ名/画像名.拡張子）

*/

#strong {
  font-size: 13px;
  line-height: 1.6;
  color: #e1deda;
  font-family: heisei-kaku-gothic-std,Futura,"Century Gothic",游ゴシック体,YuGothic,"ヒラギノ角ゴ ProN W3","Hiragino Kaku Gothic ProN",游ゴシック,"Yu Gothic",メイリオ,Meiryo,sans-serif;
  font-weight: 700;
  overflow: hidden;
}

#strong * {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

#strong img {
  line-height: 1;
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

#strong p {
  text-align: left;
}

#strong .font-alg{
  font-family: alternate-gothic-atf, sans-serif;
  font-weight: 400;
  font-style: normal;
}

#strong .inline-block{
  display: inline-block;
}

#strong .inner{
  padding: 0 12px;
}

/*==============================
main-banner
==============================*/
#strong .main-banner {
 position: relative;
}

#strong .main-banner .heading {
  position: absolute;
  top: 50%;
  left: 12px;
  z-index: 1;
}

#strong .main-banner .heading .ttl-en {
  display:block;
  font-size: 20px;
  line-height:1;
}

#strong .main-banner .heading .ttl-ja {
  display:block;
  margin-top: 6px;
  font-size: 20px;
  line-height:1;
}

/*==============================
content
==============================*/
#strong .introduction{
  background-color: #1e1c1c;
}

#strong .introduction .txt{
  padding: 56px 12px;
  color: #fff;
  font-size: 14px;
  line-height: 1.64;
}

#strong .content{
  padding: 60px 0 30px;
}

#strong .content01{
  background: url("../images/strong/strong_bg_img01_sp.jpg") 50% 50%;
  background-size: cover;
}

#strong .content02,
#strong .content04{
  background: url("../images/strong/strong_bg_img02_sp.jpg") 50% 50%;
  background-size: cover;
}

#strong .content03{
  background: url("../images/strong/strong_bg_img03_sp.jpg") 50% 50%;
  background-size: cover;
}

#strong .content05{
  background: url("../images/strong/strong_bg_img04_sp.jpg") 50% 50%;
  background-size: cover;
}

#strong .content-ttl{
  display: flex;
  flex-wrap: wrap;
  width: 100vw;
}

#strong .content-ttl-num{
  width: 75px;
  font-size: 80px;
  line-height: 1;
}

#strong .content01 .content-ttl-num{
  width: 64px;
}

#strong .content-ttl-txt{
  font-size: 28px;
  line-height: 1.25;
}

#strong .content-txt{
  margin-top: 14px;
  padding: 40px 25px;
  background-color: #1e1c1c;
  color: #fff;
  font-size: 14px;
  line-height: 1.64;
  letter-spacing: 1px;
}

#strong .content:nth-of-type(odd) .content-txt{
  background-color: #009ce5;
}

#strong .content:nth-of-type(even) .emphasis{
  color: #009ce5;
}

#strong .content:nth-of-type(odd) .emphasis{
  color: #1e1c1c;
}

#strong .content-img{
  text-align: center;
}

@media print, screen and (max-width: 340px) { 
  #strong .content-ttl-num{
    width: 68px;
    font-size: 70px;
  }
  
  #strong .content01 .content-ttl-num{
    width: 58px;
  }

  
  #strong .content-ttl-txt{
    font-size: 24px;
  }
}
@media print, screen and (min-width: 768px) {/* ---------- タブレット・PC以上 ---------- */
   #strong .inner {
      max-width: 1300px;
      margin: 0 auto;
      padding: 0 10px;
    }
/*==============================
main-banner
==============================*/
  #strong .main-banner .heading {
    width: calc(100% - 20px);
    max-width: 1280px;
    margin: 0 auto;
    left: 50%;
    transform: translateX(-50%);
  }
  
  #strong .main-banner .heading .ttl-en {
    font-size: 40px;
  }

  #strong .main-banner .heading .ttl-ja {
    margin-top: 10px;
    font-size: 40px;
  }

/*==============================
content
==============================*/
  #strong .introduction .txt{
    max-width: 760px;
    margin: 0 auto;
    padding: 120px 0 100px;
    font-size: 18px;
    line-height: 2.22;
  }
  
  #strong .content{
    padding: 190px 0;
  }

  #strong .content01{
    background: url("../images/strong/strong_bg_img01_pc.jpg") 50% 50%;
    background-size: cover;
  }
  
  #strong .content02,
  #strong .content04{
    background: url("../images/strong/strong_bg_img02_pc.jpg") 50% 50%;
    background-size: cover;
  }
  
  #strong .content03{
    background: url("../images/strong/strong_bg_img03_pc.jpg") 50% 50%;
    background-size: cover;
  }
  
  #strong .content05{
    background: url("../images/strong/strong_bg_img04_pc.jpg") 50% 50%;
    background-size: cover;
  }

  #strong .content .inner{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  
  #strong .content-txt-box{
    position: relative;
    width: 51.5%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-right: -20px;
    z-index: 1;
  }
  
  #strong .content:nth-of-type(odd) .content-txt-box{
    order: 2;
    margin: 0 0 0 -20px;
  }
  
  #strong .content:nth-of-type(odd) .content-ttl{
    margin-left: -10%;
  }
  
  #strong .content-ttl{
    margin-top: 40px;
  }
  
  #strong .content-ttl-num{
    width: 140px;
    margin-left: -6px;
    font-size: 140px;
  }
  
  #strong .content01 .content-ttl-num{
    width: 114px;
  }


  #strong .content-ttl-txt{
    font-size: 48px;
    line-height: 1.25;
  }
  
  _::-webkit-full-page-media, _:future, :root #strong .content-ttl-txt {
    padding-top: 10px;
  }

  #strong .content-txt{
    min-height: 400px;
    margin-bottom: -50px;
    padding: 100px 48px;
    font-size: 16px;
    line-height: 1.875;
    letter-spacing: 0;
  }
  
  #strong .content-img{
    width: 50%;
  }

}

@media print, screen and (min-width: 1280px) { 
  #strong .content{
    height: 100%!important;
    padding:0;
  }

  #strong .content:nth-of-type(odd) .content-ttl{
    margin-left: 0;
  }
  
  #strong .content-ttl-num{
    width: 156px;
    font-size: 160px;
  }
  
  #strong .content01 .content-ttl-num{
    width: 130px;
  }

  
  #strong .content-ttl-txt{
    font-size: 56px;
  }
}