body{
    width:100%;
    height:100dvh;
}

body header {
    position: sticky;
    top: 0;
    z-index: 99;
    width: 100%;
    height: 50px;
    background-color: #ed5371;
    padding-left: 10px;
    padding-right: 10px;
    margin: 0 auto;
  }
  body header #header-container {
    width: calc(100% - 20px);
    height: 100%;
    display: flex;
    flex-direction: row;
  }
  body header #header-container .logo-contaiener {
    height: 20px;
    width: 137px;
    padding: 15px 5px;
  }
  body header #header-container .logo-contaiener .img-container {
    width: 100%;
  }
  body header #header-container .logo-contaiener .img-container img {
    width: 100%;
  }
  body header #header-container nav {
    width: 100%;
  }
  body header #header-container nav ul {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
  }
  body header #header-container nav ul li {
    list-style: none;
    height: 50px;
    width: auto;
    margin: auto 10px;
  }
  body header #header-container nav ul li .nav-content {
    color: white;
    font-weight: 900;
    text-align: center;
    line-height: 50px;
  }
  body header #header-container nav ul li .obbtn {
    height: 50px;
    line-height: 50px;
  }
  body header #header-container nav ul li a {
    display: block;
    width: 100%;
    height: 30px;
  }
  body header #header-container nav ul li a .img-container {
    width: auto;
    height: 30px;
  }
  body header #header-container nav ul li a .img-container img {
    width: auto;
    height: 30px;
  }
  @media screen and (max-width: 767px) {
    body header {
      width: 100%;
      height: 100px;
      background-color: #ed5371;
      padding-left: 10px;
      padding-right: 10px;
      margin: 0 auto;
    }
    body header #header-container {
      display: flex;
      flex-direction: column;
    }
    body header #header-container .logo-contaiener {
      height: 20px;
      width: 137px;
      padding: 15px 5px;
    }
    body header #header-container .logo-contaiener .img-container {
      width: 100%;
    }
    body header #header-container .logo-contaiener .img-container img {
      width: 100%;
    }
    body header #header-container nav {
      width: 100%;
      padding: 10px 0px;
    }
    body header #header-container nav ul {
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: row;
      justify-content: flex-end;
    }
    body header #header-container nav ul li {
      list-style: none;
      height: 50px;
      width: auto;
      padding: 10px 5px;
      margin: auto 10px;
    }
    body header #header-container nav ul li a {
      display: block;
      width: 100%;
      height: 30px;
    }
    body header #header-container nav ul li a .img-container {
      width: auto;
      height: 30px;
    }
    body header #header-container nav ul li a .img-container img {
      width: auto;
      height: 30px;
    }
  }
main{
    background-color: white;
    border:1px solid gray;
    box-shadow: 2px 2px 5px darkgray;
    width:70%;
    height:90dvh;
    margin:20px auto;
    padding:10px 20px;
    @media screen and (max-width:746px) {
        width:90%;
    }
    input[type="text"],input[type="tell"],input[type="mail"]{
        border:1px solid gray;
        width:100%;
        height:40px;
        font-size:20px;
        line-height:40px;
    }
    .require{
        border:1px solid gray;
    }
    .form-check{
        padding:0px 50px;
    }
    textarea{
        border:1px solid gray;
    }
    #submit_send {
        position: relative;
        width: 100%;
        height: 50px;
        line-height:50px;
        font-size:20px;
        margin:0 auto;
        border-radius: 20px;
        text-align: center;
        background-color: rgb(195, 13, 35);
        color: rgb(255, 255, 255);
        cursor: pointer;
        opacity: 1;
        transition: 0.5s;
    }
    #submit_send:disabled {
        cursor: auto;
        opacity: 0.5;
    }
}
footer{
    background-color:blue;
    width:100%;
}