body{
  max-width: none;
}
article{
  max-width: 1100px;
  align-items: center;
  margin: 0 auto;
  position: relative;
}
/*ヘッダー*/
header{
  padding-bottom: 50px;
}
.header-mb{
  margin-bottom: 20px;
}
/*ナビゲーション*/
#navi-c{
  display: flex;
  position: relative;
  top:10%;
  left: 4%;
}
#navi-c div{
  margin-right: 10px;
  font-size: 13px;
}
/*メイン*/
h2{
  font-size: 30px;
  text-align: center;
  margin-top: 70px;
}
#redline{
  width: 100%;
}
#cocolamu{
  width: 338px;
  height: 61px;
  display: block;
  margin: 0 auto;
  margin-top: 70px;
  margin-bottom: 41px;
}
#mission{
  width: 165px;
  height: 44px;
  display: block;
  margin: 0 auto;
  margin-bottom: 45px;
}
/*代表メッセージ*/
#greeting{
  margin-left: 157px;
  margin-right: 137px;
  display: flex;
  justify-content: space-between;
}
#greeting_text{
  max-width: 526px;
  line-height: 26px;
}
#greeting_text h3{
  font-size: 20px;
  margin-bottom: 35px;
}
#greeting_text span{
 display: none;
}
#topname{
  display: flex;
  align-items: center;
}
#name{
  font-size: 22px;
}
#company_img{
  width: 238px;
  height: 424px;
}
/*会社概要*/
#overview h3{
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  margin-top: 61px;
  margin-bottom: 58px;
}
#company_info{
  display: block;
  max-width: 790px;
  margin-left: 14%;
  margin-right: 10%;
}
#company_info th{
  width: 127px;
  padding: 21px 0;
  background-color: #F8F8F8;
  text-align: center;
  font-size: 16px;
  font-weight: 300;
}
#company_info td{
  padding: 21px 0;
  font-size: 16px;
  padding-left: 40px;
  line-height: 28px;
}
#company_info td span{
  display: none;
}
/*アクセス*/
#access{
  margin-top: 127px;
  margin-bottom: 120px;
}
#access h3{
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 44px;
}
#access iframe{
  width: 80%;
  height: auto;
  aspect-ratio: 820 / 480;
  display: block;
  margin: 0 auto;
}
/*レスポンシブ対応*/
@media (max-width:1089px){
  #company_img{
    margin-left: 20px;
  }
}
@media (max-width:899px){
  #greeting{
    display: block;
  }
  #company_img{
    display: block;
    margin: 0 auto;
    margin-top: 40px;
  }
  #greeting{
    display: block;
    margin-left: 20px;
    margin-right: 20px;
  }
  #greeting_text{
    display: block;
    margin-left: auto;
    margin-right: auto;
  }
  #access{
    margin-top: 80px;
  }
}
@media (max-width:639px){
  #cocolamu{
    width: 240px;
    height: auto;
    aspect-ratio: 338 / 61;
    margin-top: 40px;
    margin-bottom: 21px;
  }
  #company_info{
    margin-left: 5%;
    margin-right: 5%;
  }
  #access iframe{
    width: 90%;
  }
}

/*スマホ対応*/
#greeting_text .resp{
  line-height: 32px;
}
@media (max-width:540px){
  #greeting_text span{
    display: block;
   }
  #topname{
    margin-bottom: 24px;
    #name{
      font-size: 16px;
    }
  }
  #company_img{
    display: none;
  }
  #navi-c{
    display: none;
  }
  .resp p{
    margin: 70px 20px 70px;
    line-height: 28px;
  }
  .resp a{
    color: blue;
    text-decoration: underline;
  }
  #mission{
    margin-top: 50px;
    margin-bottom: 32px;
  }
  #company_info{
    margin-left: 12px;
    margin-right: 12px;
  }
  #access iframe{
    width: 100%;
    height: 483px;
    aspect-ratio: auto;
  }
  #overview h3{
    display: none;
    margin-top: 100px;
  }
  #company_info td{
    padding-left: 12px;
  }
  #company_info td span{
    display: block;
  }
  #company_info th{
    width: 90px;
  }
}

/*ヘッダー背景*/
.widescreen{display: none;}
@media screen and (min-width:1100px) {
  .widescreen{
    display: block;
  }
  .middlescreen{
    display: none;
  }
  .top-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 287px; /* 背景を適用したい高さ */
    background-color: #2DB9A3; /* ここに適用したい背景色を指定 */
    z-index: -1;
  }
}