@media screen and (max-width: 960px) {
    #main{
        margin: 0 100px;
    }
  }
  
  /* モバイル向けレイアウト */
  @media screen and (max-width: 520px) {
    #main{
        margin-left: 5px;
        margin-right: 5px;
    }
  } 

.page_title{
text-align: center;
padding-top: 30px;
padding-bottom: 30px;
max-width: 1680px;
}

    @media screen and (max-width: 960px) {
        .page_title{
            display: block;
        }
    }

    /* モバイル向けレイアウト */
    @media screen and (max-width: 520px) {
        .page_title{
            margin-left: 5px;
            margin-right: 5px;
            display: block;
        }
    } 
  
.box{
max-width: 420px; /* 最大幅 */
min-width: 320px; /* 最小幅 */
}
  
  @media screen and (min-width:960px){
    .box {
      display: flex;
    }
  }
  @media screen and (max-width:730px){
    .box{
     min-width: none;
    }
  }
  
.midashi_jp{
font-weight: bold;
color:#404040;
font: 3.2rem "Lato", sans-serif;
letter-spacing: 0.08em;
}

    @media screen and (max-width:700px){
      .midashi_jp{
        font: 2rem "Lato", sans-serif;
      }
  
    @media screen and (max-width:450px){
      .midashi_jp{
        font: 1.5rem "Lato", sans-serif;
        font-weight: bold;
        }
      }
    }
    
  .box_eng{
    height: 20px;
    margin-top: 45px;
  }
    @media screen and (max-width:959px){
        .box_eng{
        height: 20px;
        margin-top: 10px;
        }
    }

  .midashi_eng{
    font-size: 14px;
    color:#404040;
    letter-spacing: .5em;
  }
  
  /* 両端margin */
  #main_width{
    width: 960px;
  }

  @media screen and (max-width:960px){
    #main_width{
      width: 100%;
      margin-left: 0px;
      margin-right: 0px;
      overflow: hidden;
    }
  }
  
  @media screen and (max-width:520px){
    #main_width{
      width: 100%;
      margin-left: 0px;
      margin-right: 0px;
      overflow: hidden;
    }
  }

.title {
    background-color: #d2e8c9;
    color: #404040;
    font-weight: bold;
    font-size: 20px;
    line-height: 20px;
    text-align:left;
    padding: 25px 40px;
}

  @media screen and (max-width: 960px) {
    .title{
      margin-left: 5px;
      margin-right: 5px;
  }
  }
  
  /* モバイル向けレイアウト */
  @media screen and (max-width: 520px) {
    .title{
        margin-left: 5px;
        margin-right: 5px;
        text-align: center;
    }
  } 

.president_name{
    color: #404040;
    font-weight: bold;
    font-size: 24px;
}

 /* モバイル向けレイアウト */
 @media screen and (max-width: 520px) {
 .president_name{
    font-size: 20px;
  }
}

.message{
    line-height: 25px;
    font-size: 19px;
    font-weight: lighter;
    margin: 0 80px; 
    margin-top: 10px ;
    margin-bottom: 50px;
    color: #404040;
}

 /* モバイル向けレイアウト */
 @media screen and (max-width: 520px) {
    .message{
        font-size: 18px;
        margin-left: 20px;
        margin-right: 20px;
     }
   }
 
.company{
    text-align: center;
    margin: 30px 0 80px 0;
}

.president{
    margin-top: 30px;
    text-align: center;
}

.presidentpic{
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-size: cover;
}

/* ========================table2======================== */
  .kaisha {
    width: 100%;
    color: #404040;
    }
    
    .kaisha th,
    .kaisha td {
    border: .5px solid rgb(238, 238, 238);
    padding: 15px;
    text-align: left;
    }
    
    .kaisha th {
    font-weight: bold;
    background-color: #dedede; 
    }
    
    .table_left{
        width: 30%;
    }
    @media screen and (max-width: 767px) {
    .kaisha,
    .kaisha tr,
    .kaisha td,
    .kaisha th {display:block;}
    .kaisha th {width:auto;}
    }