a {
    color: blue;
    text-decoration: none;
}

tr:nth-child(odd) {
    background: #EEE;
}

th, td {
    vertical-align: top;
    padding: 3px;
}

table {
    border-spacing: 0px;
}

.chars {
    color: #007700;
}

.ja {
    text-align: center;
    font-size: 2rem;
    font-family: 'MS PGothic', Osaka, Arial, sans-serif;
}

.ja_main {
    margin-top: 0;
}

.ja_main a {
    color: black;
}

.ja rt {
    visibility: hidden;
}

.ja:hover rt {
    visibility: visible;
}

.ja:hover .char_cur {
    color: red;
}

.ja:hover .char_p1 {
    color: magenta;
}

.ja:hover .char_p2 {
    color: blue;
}

.ja:hover .char_bad {
    color: grey;
}

.en {
    text-align: center;
    font-size: 1.2rem;
}

details .chars {
    font-size: 3rem;
}

.index_page {
    max-width: 1000px;
    margin: auto;
}

.about_page, .batch_page {
    max-width: 800px;
    margin: auto;
    text-align: justify;
}

.about_page h2 {
    border-bottom: 1px solid #aaa;
}
.about_page h3:before {
    content: "➤ ";
}

.vocabtable {
    min-width: 50%;
    margin: auto;
    margin-top: 8px;
    margin-bottom: 8px;
}

.extratable {
    min-width: 60%;
    margin: auto;
    margin-top: 8px;
    margin-bottom: 8px;
}

.extratable td {
    padding: 4px;
}

.tab_large {
    font-size: 1.2em;
}

.tab_large2 {
    font-size: 1.5em;
}

.font_ja {
    font-family: 'MS PGothic', Osaka, Arial, sans-serif;
}

.extra_example {
    text-align: center;
}

.extra_ja {
    font-size: 1.5em;
}

.extra_en {
    margin: 4px;
    visibility: hidden;
}

.extra_ja rt {
    visibility: hidden;
}

.extra_example:hover .extra_ja rt, .extra_example:hover .extra_en {
    visibility: visible;
}


#gen_section {
    text-align: center;
}

#gen_ex_display {
    font-family: 'MS PGothic', Osaka, Arial, sans-serif;
    text-align: center;
    font-size: 2rem;
    padding-top: 2em;
    padding-bottom: 1em;
}

#gen_ex_words table td {
    text-align: left;
}

#gen_ex_en {
    text-align: center;
    font-size: 1.2rem;
    padding-bottom: 3em;
}

#gen_section.gen_hidden #gen_ex_en {
    visibility: hidden;
}

#gen_section.gen_hidden #gen_ex_words {
    visibility: hidden;
}

#gen_section.gen_hidden #gen_ex_display rt {
    visibility: hidden;
}

form p {
    text-align: center;
}