#sign {
    width: 600px;
    margin: 0 auto;
    padding: 80px 0;

    display: flex;
    flex-direction: column;
    gap: 20px;
}

strong {
    font-weight: 800;
}

.ment {
    font-weight: 700;
    font-size: 16px;
    margin: 10px 0;
}

.guide {
    font-weight: 700;
    font-size: 16px;
    margin: 10px 0;
}

.input-box {
    display: flex;
    gap: 5px;
}

.input-field {
    box-sizing: border-box;
    width: 100%;
    padding: 18px 21px;
    border: 1px solid #c5c5c5;
    background: #fff;
    color: #0E0E0E;
    font-size: 15px;
    border-radius: 5px;
}

.input-btn {
    background: #3A3A3A;
    color: #fff;
    border-radius: 5px;
    font-size: 14px;
    width: 150px;
}

.search {
    font-size: 14px;
    text-align: right;
    font-weight: 500;
}

.submit-btn {
    border-radius: 5px;
    background: #5157C7;
    width: 100%;
    color: #fff;
    padding: 20px 0;
}

.join {
    font-size: 14px;
    text-align: center;
    font-weight: 500;
}

.agree {
    font-size: 14px;
}

.checkbox-wrap {
    display: flex;
    align-items: center;
    gap: 5px;
}

@media (max-width: 620px) {
    #sign {
        width: unset;
        padding: 40px 20px;
        gap: 15px;
    }

    .guide {
        font-size: 14px;
    }

    .input-field {
        width: 100%;
        padding: 15px 11px;
        font-size: 14px;
    }

    .agree {
        font-size: 12px;
    }

    .submit-btn {
        padding: 15px 0;
        font-size: 14px;
    }

    .join, .search {
        font-size: 13px;
    }
}