/* 既存サイトの変数とカードを利用し、追加指定はflashクラス内に限定する。 */
.flash-main{line-height:1.9}
.flash-breadcrumb{font-size:.8125rem;margin-bottom:1rem;color:var(--muted,#5b6472)}
.flash-today{margin:1.5rem 0;padding:1rem 0;border-top:1px solid var(--border-cell,#d8d1e6)}
.flash-heading{font-size:1.125rem;margin:0 0 .75rem}
.flash-group{margin:.75rem 0}
.flash-slot{display:flex;align-items:center;gap:.75rem;font-size:.75rem;font-weight:700;color:var(--muted,#5b6472);margin:0}
.flash-slot::after{content:"";height:1px;background:var(--border-cell,#d8d1e6);flex:1}
.flash-card-grid{display:grid;grid-template-columns:minmax(0,1fr);column-gap:1.25rem;list-style:none;margin:0;padding:0}
.flash-card{min-width:0;border-bottom:1px dotted var(--border-cell,#d8d1e6)}
.flash-card-link{height:100%;padding:.625rem .5rem}
.flash-card-title{font-size:.9375rem;line-height:1.6}
.flash-card-summary{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.78125rem;line-height:1.8;margin-top:3px;color:var(--muted,#5b6472)}
.flash-lane{font-size:.6875rem}
.flash-more{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem;font-size:.8125rem;margin:.75rem 0 0}
.flash-news{margin:1rem 0;padding:.75rem 1rem;border-left:3px solid var(--accent-ink,#7e22ce);background:var(--row-alt,#f7f3fd);font-size:.8125rem}
.flash-news-intro{margin:0}
.flash-news-slots{display:flex;flex-wrap:wrap;gap:.25rem 1rem;margin:.25rem 0}
.flash-news .flash-more{margin-top:.25rem}
.flash-date{font-size:1.125rem;margin:1.5rem 0 .5rem}
.flash-meta{font-size:.8125rem;color:var(--muted,#5b6472);margin:0 0 1.5rem}
.flash-article{overflow-wrap:anywhere}
.flash-summary{background:var(--row-alt,#f7f3fd);border-left:3px solid var(--accent-ink,#7e22ce);padding:1rem 1.25rem;margin:1.5rem 0}
.flash-summary h2{margin:0 0 .5rem;font-size:1.0625rem}
.flash-summary p:last-child{margin-bottom:0}
.flash-reading-time{font-size:.75rem;color:var(--muted,#5b6472);margin:0 0 .25rem}
.flash-takeaways ul,.flash-takeaways ol{list-style:disc;padding-left:1.5rem}
.flash-takeaways li{margin:.625rem 0;padding-left:.25rem}
.flash-sources{font-size:.8125rem;color:var(--muted,#5b6472)}
.flash-sources h2{font-size:1rem}
/* 本文だけに適用し、記事のメタ情報・一覧・トップ部品には波及させない。 */
.flash-article-body p{margin:0 0 1.5rem}
.flash-article-body h2{margin:3rem 0 1.25rem;padding-left:.75rem;border-left:3px solid var(--accent-ink,#7e22ce);line-height:1.5}
.flash-article-body h3{margin:2rem 0 1rem;line-height:1.6}
.flash-article-body strong{font-weight:700;background:linear-gradient(transparent 60%,#efe3ff 60%);box-decoration-break:clone;-webkit-box-decoration-break:clone}
.flash-article-body ul,.flash-article-body ol{margin:1rem 0 1.5rem;padding-left:1.75rem}
.flash-article-body ul{list-style-type:disc}
.flash-article-body ol{list-style-type:decimal}
.flash-article-body li{margin:.625rem 0;padding-left:.25rem}
.flash-article-body li::marker{color:var(--accent-ink,#7e22ce);font-weight:700}
.flash-article-body li ul,.flash-article-body li ol{margin:.5rem 0}
.flash-article-body li ul{list-style-type:circle}
.flash-article-body li li ul{list-style-type:square}
.flash-article-body li p{margin-bottom:.625rem}
.flash-article-body .flash-figure{box-sizing:border-box;width:100%;max-width:640px;margin:2rem auto;padding:1rem;border:1px solid var(--border-cell,#d8d1e6);border-radius:4px;overflow:auto}
.flash-article-body .flash-figure svg{display:block;width:100%;max-width:100%;height:auto;margin:auto}
.flash-article-body table{border-collapse:collapse;display:block;max-width:100%;overflow-x:auto;font-size:.875rem;line-height:1.7;margin:1.5rem 0}
.flash-article-body th,.flash-article-body td{padding:.625rem .75rem;border:1px solid var(--border-cell,#d8d1e6);min-width:7rem;overflow-wrap:normal}
.flash-article-body thead th{background:var(--row-alt,#f7f3fd);font-weight:700}
.flash-article-body .flash-summary h2{margin:0 0 .75rem;padding:0;border:0}
.flash-article-body .flash-summary .flash-reading-time{margin:0 0 .25rem}
.flash-article-body .flash-summary p:last-child{margin-bottom:0}
.flash-article-body .flash-summary h2+p strong{color:var(--accent-ink,#7e22ce);font-weight:800}
.flash-corrections{border-top:1px solid var(--border-cell,#d8d1e6);margin-top:2rem}
@media (min-width:768px){
.flash-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.flash-portals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;margin:0 0 1.25rem}
@media (min-width:768px){.flash-portals{grid-template-columns:repeat(4,minmax(0,1fr))}}
.flash-portals a{display:flex;flex-direction:column;gap:.15rem;padding:.55rem .75rem;border:1px solid var(--border-cell,#d8d1e6);border-left:3px solid #8b5cf6;text-decoration:none;color:inherit;background:#fff}
.flash-portals a:hover{background:#f6f2fd}
.flash-portals b{font-size:.875rem;line-height:1.35}
.flash-portals span{font-size:.75rem;line-height:1.45;color:#5b5670}
/* トップの更新一覧は低く詰める（区分のラベルをタイトルと同じ行に、要約は1行） */
.flash-today{margin:1rem 0;padding:.75rem 0}
.flash-today .flash-heading{font-size:1rem;margin:0 0 .5rem}
.flash-today .flash-group{margin:.4rem 0}
.flash-today .flash-card-link{display:block;padding:.4rem .25rem}
.flash-today .flash-card-head{display:block;line-height:1.5}
.flash-today .ncard-meta{display:inline;margin:0}
.flash-today .flash-lane{display:inline-block;font-size:.625rem;line-height:1.5;padding:0 .4rem;margin:0 .45rem 0 0;vertical-align:.12em}
.flash-today .flash-card-title{display:inline;font-size:.875rem;line-height:1.5}
.flash-today .flash-card-summary{-webkit-line-clamp:1;font-size:.75rem;line-height:1.5;margin-top:1px}
.flash-today .flash-more{margin-top:.5rem}

/* 概要の画像は記事本文だけ。スマホでは縦横比を保って幅に収める。 */
.flash-article-body .flash-overview{box-sizing:border-box;width:100%;max-width:100%;margin:16px 0 24px;border:1px solid #e2e8f0;border-radius:8px;overflow:hidden;background:#fff}
.flash-article-body .flash-overview img{display:block;box-sizing:border-box;width:100%;max-width:100%;height:auto}

/* 学習ノートの配色は記事の内側だけで上書きする。 */
.flash-learning{--accent:#9a5b13;--accent-ink:#9a5b13;--row-alt:#fdf6e9;--border-cell:#ddc9a9;--muted:#625649;--learning-highlight:#f6dfb4;color:#29241e}
.flash-learning h1{font-size:clamp(1.5rem,4vw,2rem);line-height:1.6}
.flash-learning-label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:700;letter-spacing:.04em;color:var(--accent-ink)}
.flash-learning.report .flash-article-body strong{color:#29241e;background:linear-gradient(transparent 60%,var(--learning-highlight) 60%)}
.flash-learning a{color:var(--accent-ink)}
.flash-learning .flash-article-body .flash-summary strong{color:#29241e}
.flash-learning.report .flash-article-body strong a,.flash-learning.report .flash-article-body a strong{color:#75420c}
.flash-learning-about{margin:0 0 1.5rem;padding:.75rem 1rem;border:1px solid var(--border-cell);border-radius:4px;background:var(--row-alt);font-size:.875rem}
.flash-learning-about summary{cursor:pointer;font-weight:700;color:var(--accent-ink)}
.flash-learning-about p{margin:1rem 0 0}
.flash-learning-about summary:focus-visible,.flash-learning a:focus-visible{outline:2px solid var(--accent-ink);outline-offset:4px}
.flash-article-body .flash-overview-square{max-width:560px;margin-left:auto;margin-right:auto}
.flash-learning-lane{background:#f6dfb4;color:#75420c}