.p-letter__index__sub{
    text-indent: 0;
}
.p-letter__index__sub a{
    border-top: dotted 1px #ddd;
    display: block;
    padding: 4px 0 4px 2em;
    text-indent: -2em;
    font-size: 90%;
}

.p-letter__index__sub a:before{
    content: "・"!important;
}

.p-letter__column .img img{
    max-width: none;
    width: 100%;
}