@charset "UTF-8";

body {
    font-size: 20px;
}

#wrapper {
    padding-bottom: 50px;
}

p {
    line-height: 1.8;
}

h1 {
    font-size: 20px;
    line-height: 2;
    margin-top: 12px;
}
h1 span {
    font-size: 80%;
}
h1 span span{
    font-size: 80%;
}

.info {
    max-width: 580px;
    width: 90%;
    padding: 20px;
    margin: 0 auto 25px auto;
    border: 2px dotted #ccc;
    background: #f8f8f8;
    text-align: justify;
}
p a {
    font-weight: bold;
    text-decoration: none;
}

p.nao {
    font-size: 0.9rem;
    margin: 20px 75px 0;
}

p.small{
    font-size: 85%;
}

.toc-columns {
    display: flex;
    width:90%;
    margin: 0 auto;
    justify-content: space-between;
    gap: 2rem;
}

.toc-columns .toc-col {
    flex: 1; 
}
.toc-col ol{
    line-height: 2;
    list-style-type: decimal;
    list-style-position: inside;
    padding: 6px 0 6px 1.2rem;
    margin: 0;
}
.toc-col ol li {
    display: list-item;
}
.toc-col ol li a {
    display: inline-block;
    width: 150px;
    padding: 3px;
}
.toc-col ol li a:hover {
    color: #f78b8b;
}
.item {
    border-radius: 4px;
    margin: 30px 30px 0 30px;
    background: #f8f8f8;
    position: relative;
    padding-bottom: 8px;
}
.item h2 {
    font-size: 20px;
    line-height: 2;
    margin: 3px 12px 0px;
    padding: 20px 20px 2px 20px;
    border-bottom: 1px solid #888;
}
/* h2のspan */
.num {
    font-size: 90%;
    display: inline;
}
.auther {
    display: inline;
}
.sub {
    font-size: 80%;
    display: inline;
}
.item h2 span {
    font-size: 0.9rem;
    margin :0 10px 0 10px;
}

.item h3 {
    border-bottom: none;
}
.item .inner{
    display: flex;
    gap: 1.1rem;
    padding: 2px 14px 14px;
    position: relative;
 }
.inner .left {
    width: 8rem;

}

.inner .middle {
    flex: 1;
}

.inner .right {
    width: 200px;
    position: relative;
}

.item .back {
    display: block;
    position: absolute;
    font-size: 0.9rem;
    font-weight: bold;
    bottom: 4px;
    right: 14px;
}
.item .back a {
    color: #777;
}
.item .back a:hover {
    color: #f78b8b;
}

#item5-sp {
    display: none;
}

.mini-footer{
    display: none;
    padding: 25px 0;
}

.toc-col ol li {
    list-style-type: decimal;
}

/* スマホ向けのスタイル（画面幅が767px以下の場合に適用） */
@media only screen and (max-width: 767px) {
  /* 表示非表示切り替え */
    #header-wrap, #footer-wrap {
    display: none;
  }
  .item .back {
    display: none;
  }

  #contents {
    width: 100%;
    padding: 0px;
  }
  
  .info {
    width: 90%;
    padding: 10px;
    margin: 0 auto 25px auto;
    /* border: 2px dotted #ccc;
    background: #f8f8f8; */
    text-align: justify;
    }
  
   /* h2のspan item５に限る */
    .auther {
        display: block;
    }
    .sub {
        font-size: 0.85rem;
        display: block;
        text-indent: 10rem;
    }

   /* 幅、並びの設定 */
    #wrapper {
        width: 100%;
        padding-bottom: 80px;
        margin: 0px;
    }
    
    /* 目次部分 */
    .toc-columns {
        display: block;
    }
    /* .toc-col ol {
        padding: 6px 0 6px 1.5rem;
    } */
    .toc-col ol {
        line-height: 2;
        list-style-type: decimal;
        list-style-position: inside;
        padding: 6px 0 6px 2rem;
        margin: 0;
    }
    .toc-col ol li {
        display: list-item;
    }

    /* 個別の記事 */
    .inner {
        display: block;
        flex-direction: column;
    }
    .inner .right {
        width: 100%;
        font-size: 0.95rem;
    }
    .inner .left {
        width: 100%;
    }

    p.nao {
        font-size: 0.9rem;
        margin: 20px 10px 0;
    }
    .item {
        border-radius: 4px;
        margin: 30px 8px 0 8px;
        background: #f8f8f8;
    }
    .item h2 {
        padding: 12px 10px 2px;
    }
    p.small {
        font-size: 0.9rem;
    }

    /* フッターがわり（公式に戻るand目次に戻る） */
    .mini-footer {
        display: block;
        position: relative;
        background:url(images/bg-light2.jpg);
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 80px;
        z-index: 1000;
        padding: 3px 2px 0;
    }

    .mini-footer p.to-index {
        font-weight: bold;
        text-align: right;
        line-height: 12px;
        margin: 3px 8px 0 0;
    }
    .mini-footer p.to-index a {
        display: inline-block;
        padding: 5px;
        width: 80px;
    }
    .mini-footer p.to-index::before {
        content: url("images/to-index.png");
        vertical-align: middle;
        margin-right: 2px;
    }
    .mini-footer p.to-top {
        font-weight: bold;
        text-align: left;
        line-height: 12px;
        margin: 0 0 0 8px;
    }
    .mini-footer p.to-top a {
        display: inline-block;
        padding: 5px;
        width: 300px;
    }
    .mini-footer p.to-top::before {
        content: url("images/to-top.png");
        vertical-align: middle;
        margin-right: 8px;
    }

    .toc-col ol li {
        list-style-type: decimal;
    }
   
}