:root{
    --bg_01:#F5F5F5;
    --bg_02:#EAEAE8;
    --bg_03:#3B3B3B;
    --bg_04:#000000;
    --bg_05:#FFFFFF;
    --bg_06:#EAEAE8;
    --border:#CECECE;
    --c_black:#343434;
    --c_white:#FFFFFF;
    --f_en:"PT Serif", serif;
    --f_jp:"Zen Old Mincho", serif;
    }
    .form{
        margin-top: 40px;
    }
    #container{
        padding-top: 120px;
        padding-bottom: 120px;
    }
    .container_ttl h2{
        text-align: center;
        font-size: 26px;
    }
    .form{
        width: 80%;
        margin: 0 auto;
        max-width: 700px;
    }
    input{
        width:calc(100% - 10px);
        height: 36px;
        padding-left: 10px;

    }
    input::placeholder{
        font-size: 14px;
        padding-left: 5px;
    }
    .form{
        margin-top: 40px;
    }
    dt{
        margin-top: 20px;
    }
    dt p{
        font-size: 16px;
    }
.red{
    margin-left: 5px;
}
    dd{
        margin-top: 10px;
    }
    textarea{
        width: 100%;
        min-height:80px;
        padding-left: 10px;
        padding-top: 10px;
    }
    .red{
        font-size: 12px;
        color: red;
    }
    .contact_btn{
        margin: 0 auto;
        margin-top: 40px;
        height: 48px;
        max-width: 350px;
    }
    .send{
        height: 100%;
        width: 100%;
        border: none;
        color: var(--c_white);
        background-color: var(--bg_03);
        font-size: 14px;
    }
    footer{
        margin-top: 0;
    }
    #formWrap{
        margin: 0 auto;
        margin-top: 120px;
        width: 90%;
        text-align: center;
    }
    .center{
        padding-top: 40px;
    }
    .mail_era_btn{
        margin-bottom: 120px;
        height: 48px;
        background-color: #343434;
        color: #F5F5F5;
        border: none;
    }
    #formWrap h4{
        margin-bottom: 40px;
    }
    .formTable{
        text-align: left;
        width: 90%;
        table-layout: fixed;
        max-width: 768px;
        margin: 0 auto;
        margin-top: 40px;
        overflow-wrap: break-word;
word-wrap: break-word;
white-space: normal;
    }
    .mail_send_btn{
        margin-top: 40px;
        margin-bottom: 40px;
        height: 48px;
        max-width: 300px;
        width: 90%;
        background-color: #343434;
        color: #F5F5F5;
        border: none;
    }
    .mail_back_btn{
        margin-bottom: 120px;
        max-width: 300px;
        width: 90%;
        height: 48px;
        border:  #343434 1px solid;
        color: #343434;
    }
 .error_red{
    color: red;
 }
 .end_btn_thank{
    width: 90%;
    margin-top: 40px;
    max-width: 360px;
    height: 48px;
    background-color: #343434;
    color: #F5F5F5;
    display:flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 120px;
 }
 .thanks_txt{
    line-height: 200%;
    font-size: 16px;
    width: 90%;
    margin: 0 auto;
    padding-top: 160px;
    vertical-align: middle;
    display: grid;
    place-content: center;
 }
 .thanks_txt input{
    width: 200px;
    height: 40px;
    background-color: #343434;
    color: #CECECE;
 }
 
    @media screen and (min-width:768px) {
        .container_ttl h2{
            font-size: 36px;
        }
        .form{
            width: 80%;
            margin: 0 auto;
            max-width: 700px;
            margin-top: 60px;
        }
        dd input{
            height: 46px;
        }
        dt p{
            font-size: 20px;
        }
        dt{
            margin-top: 40px;
        }
        .red{
            font-size: 18px;
        }
        .contact_btn{
            width: 500px;
            height: 50px;
            margin: 0 auto;
            margin-top: 80px;
        }

        .container_ttl{
            font-size: 26px;
        }
        .send{
            font-size: 18px;
        }
        #container{
            padding-top: 120px;
            margin-top: 60px;
        }


        textarea{
            height: 120px;
        }
        .thanks_txt{
            padding-top: 60px;
            margin-top: 120px;
            height:calc(100vh - 120px);
            max-height: 500px;
        }
        .end_btn_thank{
            margin-top: 80px;
        }
    }