.form_container {
    width: 430px;
    height: 660px;
    position: absolute;
    left: 50%;
    top: 50%;
    background-color: white;
    transform: translate(-50%, -50%);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}
@media screen and (max-height: calc(660px + 100px)) {
    .form_container {
        top: 20px;
        transform: translate(-50%, 0);
    }
}

article {
    width: 350px;
    height: 600px;
    background-color: white;
    border-radius: 4px;
    padding: 16px 40px 40px 40px;
    overflow: hidden;
}

.progress_bar {
    opacity: 0;
}
body.roll .progress_bar {
    opacity: 1;
}

.mdc-linear-progress__buffer {
    background-color: #fff;
}

.signup_headline {
    text-align: center;
    font-weight: bold;
    font-size: 35px;
    margin-bottom: 30px;
}

.notify_box {
    color: darkred;
    display: block;
    height: 30px;
    margin: 10px 0 5px 0;
    text-align: center;
}

.signup_input {
    width: 100%;
    margin: 20px 0 0 0;
}

.input_name_box {
    margin-top: 0 !important;
}

.input_password_second_box {
    margin-top: 15px !important;
}

.mdc-text-field--focused:not(.mdc-text-field--disabled) .mdc-floating-label {
    color: var(--mdc-theme-primary);
}

.mdc-text-field--invalid:not(.mdc-text-field--disabled) .mdc-floating-label {
    color: var(--mdc-theme-error);
}

.signup_submit {
    float: right;
    margin-top: 15px;
}

.login_info {
    margin-top: 100px;
    text-align: center;
    font-size: 13px;
}


.browser_list {
    display: block;
    padding: 0;
    margin: 25px 0 0 0;
}

.browser_list li {
    display: block;
    margin: 5px 0;
}

.show {
    display: block !important;
}


.signup_complete {
    float: right;
    margin-top: 10px;
}

.after_expl {
    margin-top: 25px;
    font-size: 15px;
}


/* Mobile Device scaling */
@media screen and (max-width: 1150px) {
    .form_container {
        width: 380px;
        height: 520px;
    }
    article {
        width: 300px;
        height: 475px;
        padding-top: 11px;
    }
    .signup_headline {
        margin-top: 10px;
        margin-bottom: 5px;
    }
    .signup_input {
        margin-top: 10px;
    }
    .login_info {
        margin-top: 70px;
    }
}
/* Mobile Device scaling */
@media screen and (max-width: 430px) {
    .form_container {
        width: 85%;
        height: 95%;
    }
    article {
        width: 100%;
        height: 100%;
        padding: 50px 0 0 0;
    }
    body.roll .progress_bar {
        opacity: 0;
    }
    body.roll .progress_bar_top {
        opacity: 1;
    }
    .signup_headline {
        margin-bottom: 0;
        font-weight: normal;
    }
    .input_password_second_box {
        margin-top: 10px !important;
    }
    .login_info {
        margin-top: 90px;
    }
}
/* Mobile Device scaling */
@media screen and (max-width: 320px) {
    article {
        padding-top: 5px;
    }
}