.answer{border-top:4px solid var(--acc)}
.guide-link{display:inline-block;margin:.4rem 0;padding:.55rem .75rem;background:#eef8f3;border:1px solid var(--acc);font-weight:600;text-underline-offset:.2em}
article p{margin:.7rem 0} article li{margin:.45rem 0}
section[id],li[id]{scroll-margin-top:1rem}
figure{margin:1rem 0 0}figure img{display:block;width:100%;max-width:480px;height:auto;margin:0 auto}
figcaption{color:var(--muted);font-size:.82rem;margin-top:.5rem}
.spec-list{margin:1rem 0}.spec-list>div{padding:.65rem 0;border-bottom:1px solid var(--line)}
.spec-list dt{font-weight:600}.spec-list dd{margin:.2rem 0 0}.spec-list dd strong{font-size:1.15rem}.spec-list dd span{display:block;color:var(--muted);font-size:.9rem}
.formula{background:#eef8f3;border-left:3px solid var(--acc);padding:.75rem;margin:1rem 0;overflow-wrap:anywhere}
.example-list{padding:0;list-style:none}.example-list li{border-bottom:1px solid var(--line);padding:.65rem 0}.example-list span{display:block}
nav ol{padding-left:1.4rem}.src-list a{overflow-wrap:anywhere}
@media(min-width:640px){.spec-list>div{display:grid;grid-template-columns:15rem 1fr}.example-list li{display:flex;gap:1.5rem}}

/* 記事本文は計算フォームより狭くし、長文と出典を読みやすくする。 */
.article-page main,.article-page .site-header,.article-page .site-footer{max-width:860px}
.article-page .pr-bar{max-width:788px}
.article-page .card>p,.article-page .card>ul,.article-page .card>ol{font-size:15px;line-height:1.9}
.article-page .card>p.hint,.article-page .src-list{font-size:13px!important}
@media(max-width:639px){.article-page .card>p,.article-page .card>ul,.article-page .card>ol{font-size:14px}.article-page .pr-bar{padding:6px 20px}}