/*PC用*/
.preconnote-item
{
    width: 50%;
    margin: 5px 0 5px 0;
}

.preconnote-supplement
{
    margin: 15px 0;
}

/*SP用*/
@media screen and (max-width:640px)
{
    .preconnote-item
    {
        width: 85%;
    }
}