:root {
    color: #333;
    font-size: 18px;
}
body {
    background-color: #555;
}
@media (max-width: 850px){
    :root {
        font-size: 16px;
        line-height: 1.75em;
    }
    .sp_none {
        display: none;
    }
    body {
        background-color: white;
    }
}


/*************************************/

.content {
    background-color: white;
    max-width: 850px;
    margin: 20px auto 100px auto;
    padding: 40px 60px;
}
@media (max-width: 850px){
    .content {
        box-sizing: border-box;
        width: 100%;
        margin: 0;
        padding: 35px 15px;
    }
}
/*************************************/
.header-bk {

}

.header_logo {
    width: 350px;
    height: auto;;
    margin: 0 auto;
    display: block;
}
@media (max-width: 850px){
    .header_logo {
        width: 80%;
    }
}

.header {
    padding: 20px 0 20px 0;
    font-size: 120%;
    color: #000080;
    font-weight: bold;
    text-align: center;
    border-bottom: solid 1px #999;
}
.header_rmesg {
    text-align: center;
    line-height: 1.5em;
}
.header_rmesg.notice {
    color: #c00;
}
/*************************************/
.form-bk {
    border: 1px solid #999;
   
}


.input-group {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}
.input-group {
    font-size: 90%;
}
.input-group + .input-group {
    border-top: 1px solid #999;
}

.title {
    box-sizing: border-box;
    width: 20%;
    background-color: #efefef;
    padding: 20px;
}

.need {
    color: #c00;
    font-size: 80%;
}
.data {
    box-sizing: border-box;
    width: 80%;
    padding: 25px 30px;
    border-left: 1px solid #999;
}

@media (max-width: 850px){
    .title {
        width: 100%;
        padding: 10px 20px;
    }
    .data {
        width: 100%;
        border-left: none;
    }
}

.msg {
    width: 100%;
    color: #c00;
    padding-top: 0.5em;
    font-size: 90%;
    /*display: none;*/
}
.form-sub {
    /*font-size: 90%;*/
}




.input-group input, 
.input-group textarea {
    box-sizing: border-box;
    width: 100%;

    padding: 0.5em 1em;
    border: 1px solid #999;
    border-radius: 5px;
    box-shadow: inset 1px 1px 2px #AAA;
}
.phone-wrap {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.phone-wrap input {
    width: 30%;
}

/*************************************/
.controll-bk {
    /*font-size: 90%;*/
    padding-bottom: 1em;
    margin-top: 18px;
}
.controll-bk a {
    text-decoration: none;
    color: inherit;
}