.well {
   border: solid 2px #339966;
   margin: 100px 150px 40px 150px;
   padding-bottom: 40px;
   border-radius: 7px;
}

.nav {
    background-color: #339966;
    border: solid 0.5px #339966;
    height: 50px;
    display: flex;
    align-items: center;
    color: #fff;
    border-radius: 2px;
    margin-bottom: 30px;
    font-size: 20px;
}

.justify-content-center {
    margin-bottom: 15px;
}

.input-group {
    margin-top: 10px;
}

i {
    background-color: light-gray;
}

.createAccount{
    width: 100%;
    text-align: right;
}

.createAccount button{
    margin-right: 15px;
}

.resetPassword{
    text-align: right;
    padding-right: 20px;
}

.errorMsg{
    white-space:pre;
}

.caution{
    color: tomato;
}

.annotation{
    margin: 0 0 10px 150px;
}

.privacy-protection{
    margin: 30px 0 30px 0;
    padding: 0px 50px 0px 50px;
}

#back {
    /** 戻るボタンと送信ボタンの間のスペースを空けるため **/
    margin-left: 10px;
}