/* Edu-biz通信 共通の見た目（記事ページ・通信ページで共有）。値は DESIGN.md の範囲で */
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  html, body { margin: 0; padding: 0; background: #FFFFFF; }
  body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', Meiryo, sans-serif;
    color: #2A2723;
    /* 画面下の固定CTAぶん、最後の要素が隠れないように空ける */
    padding-bottom: calc(72px + env(safe-area-inset-bottom));
  }
  a { color: #282828; text-decoration: none; }
  a:hover { color: #73AD00; }
  img { max-width: 100%; }
  button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

  .page {
    margin: 0 auto;
    background-color: #FFFFFF;
    display: flex;
    flex-direction: column;
  }

  /* ---- header ---- */
  .site-header {
    background-color: #FFFFFF;
    border-bottom: 4px solid #8CC63F;
    padding: 0 48px;
    min-height: 62px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    row-gap: 10px;
  }
  .brand {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 10px 0;
  }
  .brand-title {
    color: #282828;
    font-size: 19px;
    font-weight: 700;
    font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
    letter-spacing: 0.05em;
    white-space: nowrap;
  }
  .brand-sub {
    color: #8B8578;
    font-size: 11px;
    letter-spacing: 0.1em;
    white-space: nowrap;
  }
  .header-right {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 10px 0;
  }
  .nav-links {
    display: flex;
    gap: 24px;
    color: #4A463F;
    font-size: 12px;
    letter-spacing: 0.06em;
  }
  .nav-links a { color: #4A463F; }
  .nav-links a:hover { color: #282828; text-decoration: underline; text-decoration-color: #8CC63F; text-underline-offset: 5px; text-decoration-thickness: 2px; }
  .cat-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid #D9D4CA;
    color: #282828;
    font-size: 12px;
    font-weight: 700;
    padding: 9px 16px;
    letter-spacing: 0.06em;
    white-space: nowrap;
  }

  /* ---- category menu panel ---- */
  .cat-menu {
    background-color: #F7F5F0;
    border-bottom: 1px solid #E2DDD2;
    padding: 22px 48px;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .cat-menu[hidden] { display: none; }
  .cat-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .cat-menu-label {
    color: #8B8578;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
  }
  .cat-menu-close { padding: 4px; }
  .tag-list { display: flex; gap: 10px; flex-wrap: wrap; }
  .tag-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border: 1px solid #E2DDD2;
    background-color: #FFFFFF;
    color: #4A463F;
    font-size: 13px;
  }
  .tag-btn.is-active {
    background-color: #8CC63F;
    color: #282828;
    border-color: #8CC63F;
  }
  .tag-count { font-size: 11px; opacity: 0.65; }
  .cat-menu-hint { font-size: 11px; color: #8B8578; }

  /* ---- shared column ---- */
  .col { width: min(760px, 100% - 40px); margin: 0 auto; }

  /* 小見出しラベル（今回の3本／こんな方におすすめ／動画の概要 などで共通） */
  .label {
    color: #8B8578;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    white-space: nowrap;
  }
  .label-row { display: flex; align-items: center; gap: 12px; }
  .label-rule { height: 1px; background-color: #D9D4CA; flex-grow: 1; }

  /* ---- lead ---- */
  .lead-section {
    padding: 72px 40px 40px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .lead-section .col { display: flex; flex-direction: column; gap: 20px; }
  .eyebrow-row { display: flex; align-items: center; gap: 12px; }
  .eyebrow-bar { width: 28px; height: 4px; background-color: #8CC63F; flex-shrink: 0; }
  .eyebrow-text { color: #8B8578; font-size: 13px; letter-spacing: 0.14em; }
  .page-title {
    font-size: clamp(26px, 6vw, 38px);
    font-weight: 700;
    line-height: 1.55;
    color: #282828;
    font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
    letter-spacing: 0.02em;
    margin: 0;
    word-break: auto-phrase;
    text-wrap: balance;
  }
  .masthead-rule {
    border-top: 3px solid #8CC63F;
    border-bottom: 1px solid #D9D4CA;
    padding: 14px 0 16px 0;
  }
  .masthead-data {
    margin: 0;
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 6px 16px;
    font-size: 12.5px;
    line-height: 1.7;
  }
  .masthead-data dt {
    color: #8B8578;
    letter-spacing: 0.18em;
    white-space: nowrap;
  }
  .masthead-data dd { margin: 0; color: #4A463F; word-break: auto-phrase; }
  /* リードは2段落と短いので、本文と違って auto-phrase を掛けて「態／度」のような語中の改行を防ぐ */
  .lead-text { font-size: 16px; line-height: 1.95; color: #2A2723; margin: 0; word-break: auto-phrase; text-wrap: pretty; }
  .lead-text + .lead-text { margin-top: -4px; }

  /* ---- main column wrapper ---- */
  .main-wrap { display: flex; justify-content: center; padding: 0 40px; }
  .main-wrap .col { display: flex; flex-direction: column; }

  /* ---- 今回の3本（目次） ---- */
  .toc { display: flex; flex-direction: column; gap: 14px; scroll-margin-top: 24px; }
  .toc-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid #8CC63F; }
  .toc-item { border-bottom: 1px solid #D9D4CA; }
  .toc-link {
    display: grid;
    grid-template-columns: 184px 1fr;
    gap: 22px;
    align-items: start;
    padding: 20px 0;
    color: inherit;
  }
  .toc-link:hover { color: inherit; }
  .toc-thumb { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
  .toc-text { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
  .toc-head { display: flex; align-items: baseline; gap: 12px; }
  .num-block.toc-num { width: 32px; height: 32px; font-size: 15px; }
  .toc-head { align-items: flex-start; }
  .toc-head .toc-title { padding-top: 2px; }
  .toc-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
    color: #282828;
    word-break: auto-phrase;
    text-wrap: balance;
  }
  .toc-link:hover .toc-title { text-decoration: underline; text-decoration-color: #8CC63F; text-underline-offset: 5px; text-decoration-thickness: 1px; }
  .toc-hook { font-size: 14px; line-height: 1.85; color: #4A463F; margin: 0; text-wrap: pretty; }
  .toc-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; font-size: 12px; color: #8B8578; }
  /* 「記事を読む」は押せると分かるボタンに（2026-09-30 小田さん指摘：文字だけだと小さくクリックっぽくない）。
     行全体がリンクなので、行のどこにカーソルを乗せてもボタンの色が濃くなる */
  .toc-meta { align-items: center; }
  .toc-jump {
    display: inline-flex; align-items: center; gap: 8px;
    background-color: #8CC63F; color: #282828;
    font-size: 14px; font-weight: 700; letter-spacing: 0.04em; white-space: nowrap;
    padding: 9px 16px 9px 18px;
  }
  .toc-jump::after { content: "→"; font-size: 15px; transition: transform 0.15s ease; }
  .toc-link:hover .toc-jump { background-color: #73AD00; }
  .toc-link:hover .toc-jump::after { transform: translateX(3px); }

  /* ---- article sections ---- */
  .article-section {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 88px;
    scroll-margin-top: 28px;
  }
  .article-section.first { margin-top: 80px; }

  /* 3本のサイズは揃える。サイズ差だけでは「重要だから大きい」と読まれず、
     ただの不揃いに見える（2026-08-24 の指摘）。主従を付けたいときは
     サイズではなく言葉（ラベル）で示すこと。 */
  .article-header { display: flex; flex-direction: column; gap: 12px; }
  .article-kicker { display: flex; align-items: center; gap: 14px; }
  /* 通し番号の座布団。紺の正方形に白抜きの明朝数字（2026-09-24、赤い楕円から変更） */
  .num-block {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    background-color: #8CC63F;
    color: #282828;
    font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
    font-size: 21px;
    font-weight: 700;
    line-height: 1;
    font-variant-numeric: lining-nums tabular-nums;
    letter-spacing: 0.02em;
  }
  .article-cat { color: #8B8578; font-size: 12px; font-weight: 700; letter-spacing: 0.2em; }
  .article-title {
    font-size: clamp(21px, 4.6vw, 27px);
    font-weight: 700;
    color: #282828;
    font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
    line-height: 1.5;
    margin: 0;
    word-break: auto-phrase;
    text-wrap: balance;
  }
  .article-meta { font-size: 12px; color: #8B8578; margin: 0; letter-spacing: 0.02em; }

  /* こんな方におすすめ */
  .target {
    background-color: #F7F5F0;
    padding: 20px 24px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .target-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
  .target-list li {
    position: relative;
    padding-left: 20px;
    font-size: 15px;
    line-height: 1.75;
    color: #2A2723;
    text-wrap: pretty;
  }
  .target-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.85em;
    width: 9px;
    height: 2px;
    background-color: #8CC63F;
  }

  .video-embed {
    position: relative;
    width: 100%;
    max-width: 640px;
    aspect-ratio: 16 / 9;
    background-color: #000;
  }
  .video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
  }
  .article-body { display: flex; flex-direction: column; gap: 14px; }
  .article-body p { font-size: 15px; line-height: 1.95; color: #4A463F; margin: 0; text-wrap: pretty; }
  .article-body p + p { margin-top: 0.6em; }
  /* 概要の要点。赤は本文リンクの色なので使わず、太字＋紺で差をつける */
  .article-body strong { font-weight: 700; color: #282828; }
  .article-foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 6px 16px;
    font-size: 12px;
    color: #8B8578;
    letter-spacing: 0.02em;
    border-top: 1px solid #E2DDD2;
    padding-top: 14px;
  }
  .article-foot a { color: #8B8578; border-bottom: 1px solid #D9D4CA; }
  .article-foot a:hover { color: #282828; border-bottom-color: #8CC63F; }

  /* ---- other videos grid ---- */
  .grid-section { display: flex; flex-direction: column; gap: 20px; margin-top: 96px; }
  .video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px 22px;
    max-width: 600px;
  }
  .video-card { display: flex; flex-direction: column; gap: 10px; }
  .video-card img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
  .video-card-title { font-size: 13px; font-weight: 700; line-height: 1.6; color: #282828; word-break: auto-phrase; }
  .video-card-meta { font-size: 11px; color: #8B8578; }

  /* ---- about box ---- */
  .about-box {
    margin-top: 72px;
    background-color: #F7F5F0;
    padding: 30px 36px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .about-body { font-size: 15px; line-height: 1.95; color: #4A463F; margin: 0; text-wrap: pretty; }

  /* ---- CTA ---- */
  .cta-section {
    margin-top: 88px;
    background-color: #8CC63F;
    padding: 44px 40px;
    display: flex;
    justify-content: center;
  }
  .cta-inner {
    width: min(760px, 100%);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px 32px;
  }
  .cta-text { display: flex; flex-direction: column; gap: 8px; flex: 1 1 340px; }
  .cta-title {
    color: #282828;
    font-size: clamp(22px, 5vw, 28px);
    font-weight: 700;
    font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
    letter-spacing: 0.06em;
    margin: 0;
  }
  .cta-sub { color: #282828; font-size: 13px; line-height: 1.9; margin: 0; text-wrap: pretty; }
  .cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }

  /* ボタン（CTAバンド・固定バーで共通） */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    padding: 13px 24px;
    letter-spacing: 0.04em;
    white-space: nowrap;
  }
  .btn-sub { background-color: #C73E2E; color: #FFFFFF; }
  .btn-sub:hover { background-color: #9C2F22; color: #FFFFFF; }
  .btn-line { border: 1px solid #282828; background-color: #FFFFFF; color: #282828; }
  .btn-line:hover { background-color: #D9ECBF; color: #282828; }
  .btn-contact { background-color: #F7931E; color: #282828; }
  .btn-contact:hover { filter: brightness(0.95); color: #282828; }

  /* ---- 画面下に固定するCTA ---- */
  .sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    background-color: #FFFFFF;
    border-top: 3px solid #8CC63F;
    box-shadow: 0 -1px 0 #E2DDD2;
    padding: 10px 24px calc(10px + env(safe-area-inset-bottom)) 24px;
    transition: transform 0.25s ease;
  }
  .sticky-cta.is-hidden { transform: translateY(110%); }
  .sticky-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .sticky-text { color: #4A463F; font-size: 13px; line-height: 1.6; min-width: 0; }
  .sticky-text strong { color: #282828; font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; font-size: 15px; margin-right: 12px; letter-spacing: 0.04em; }
  .sticky-actions { display: flex; gap: 10px; flex-shrink: 0; }
  .sticky-actions .btn { padding: 11px 20px; }
  /* 中間幅では説明文が2行に折れるので、チャンネル名だけ残す */
  @media (max-width: 980px) { .sticky-desc { display: none; } }

  /* ---- back number ---- */
  .backnumber-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 56px 40px 20px 40px;
  }
  .backnumber-section .col { display: flex; flex-direction: column; gap: 16px; }
  .backnumber-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 4px 12px;
    border-bottom: 1px solid #E2DDD2;
    padding-bottom: 14px;
  }
  .backnumber-title { font-size: 14px; color: #2A2723; min-width: 0; flex: 1 1 auto; }
  .backnumber-date { font-size: 12px; color: #8B8578; white-space: nowrap; }

  /* ---- footer ---- */
  .site-footer {
    padding: 28px 40px 36px 40px;
    display: flex;
    justify-content: center;
  }
  .site-footer p { font-size: 11px; color: #8B8578; letter-spacing: 0.08em; margin: 0; }

  @media (max-width: 680px) {
    .site-header { padding: 10px 20px; }
    .brand-sub { display: none; }
    .nav-links { display: none; }
    .cat-toggle { padding: 8px 12px; }
    .cat-menu { padding: 18px 20px; }
    .lead-section { padding: 48px 20px 28px 20px; }
    .lead-text { font-size: 15.5px; }
    .main-wrap { padding: 0 20px; }
    /* スマホは サムネ｜タイトル を1段目に並べ、要点とメタは下に全幅で流す */
    .toc-link {
      grid-template-columns: 120px 1fr;
      grid-template-areas: "thumb head" "hook hook" "meta meta";
      gap: 10px 14px;
      padding: 18px 0;
    }
    .toc-text { display: contents; }
    .toc-thumb { grid-area: thumb; }
    .toc-head { grid-area: head; flex-direction: column; gap: 8px; align-self: center; }
    .toc-hook { grid-area: hook; font-size: 14px; line-height: 1.8; }
    .toc-meta { grid-area: meta; }
    .toc-title { font-size: 15px; line-height: 1.55; }
    .article-section { margin-top: 72px; }
    .article-section.first { margin-top: 64px; }
    .target { padding: 16px 18px 18px 18px; }
    .target-list li { font-size: 14.5px; }
    .about-box { padding: 22px 20px; }
    .cta-section { padding: 40px 20px; }
    .cta-actions { width: 100%; }
    .cta-actions .btn { flex: 1 1 0; padding: 13px 10px; }
    .backnumber-section { padding: 40px 20px 16px 20px; }
    .site-footer { padding: 20px 20px 28px 20px; }
    .video-grid { grid-template-columns: 1fr; max-width: none; }
    .sticky-cta { padding: 8px 12px calc(8px + env(safe-area-inset-bottom)) 12px; }
    .sticky-text { display: none; }
    .sticky-actions { width: 100%; }
    .sticky-actions .btn { flex: 1 1 0; padding: 12px 8px; font-size: 13px; }
  }

/* =====================================================================
   記事ページ（1動画1記事）  2026-09-25 追加
   ===================================================================== */
.breadcrumb { font-size: 12px; color: #8B8578; display: flex; flex-wrap: wrap; gap: 4px 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumb li + li::before { content: "›"; margin-right: 8px; color: #D9D4CA; }
.breadcrumb a { color: #8B8578; }
.breadcrumb a:hover { color: #282828; }

.byline { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 12.5px; color: #8B8578; margin: 0; }
.byline strong { color: #4A463F; font-weight: 700; }

/* 制度上の注意（決定前の案であること等） */
.notice {
  border-left: 3px solid #8CC63F;
  background-color: #F7F5F0;
  padding: 14px 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: #4A463F;
  margin: 0;
  text-wrap: pretty;
}

/* この記事の要点 */
.points { border-top: 3px solid #8CC63F; border-bottom: 1px solid #D9D4CA; padding: 18px 0 20px 0; display: flex; flex-direction: column; gap: 12px; }
.points ol { margin: 0; padding: 0; list-style: none; counter-reset: pt; display: flex; flex-direction: column; gap: 10px; }
.points li { counter-increment: pt; position: relative; padding-left: 40px; font-size: 15.5px; line-height: 1.8; color: #2A2723; text-wrap: pretty; }
.points li::before {
  content: counter(pt);
  position: absolute; left: 0; top: 2px;
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  background-color: #8CC63F; color: #282828;
  font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; font-size: 14px; font-weight: 700;
}

/* 本文 */
.prose { display: flex; flex-direction: column; }
.prose h2 {
  font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
  font-size: clamp(20px, 4.4vw, 25px);
  font-weight: 700;
  line-height: 1.5;
  color: #282828;
  margin: 64px 0 18px 0;
  padding-top: 18px;
  border-top: 1px solid #D9D4CA;
  word-break: auto-phrase;
  text-wrap: balance;
  scroll-margin-top: 24px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 17px; font-weight: 700; line-height: 1.6; color: #282828; margin: 32px 0 10px 0; word-break: auto-phrase; }
.prose p { font-size: 16px; line-height: 2; color: #2A2723; margin: 0; text-wrap: pretty; }
.prose p + p { margin-top: 1.1em; }
.prose strong, .article-body strong { font-weight: 700; color: #282828; background: linear-gradient(transparent 64%, #D9ECBF 64%); }
.prose ul, .prose ol { margin: 14px 0 0 0; padding-left: 1.4em; display: flex; flex-direction: column; gap: 6px; }
.prose li { font-size: 16px; line-height: 1.85; color: #2A2723; text-wrap: pretty; }
.prose ul + p, .prose ol + p, .prose .notice + p, .prose p + .notice, .prose p + .example { margin-top: 1.1em; }
.prose .notice { margin-top: 18px; }
.prose a { border-bottom: 2px solid #8CC63F; }

/* 具体例（数値の例・記録の例など） */
.example { background-color: #F7F5F0; padding: 16px 20px; font-size: 15px; line-height: 1.9; color: #2A2723; margin: 18px 0 0 0; }
.example .label { display: block; margin-bottom: 6px; }

/* 出典 */
.sources { display: flex; flex-direction: column; gap: 12px; margin-top: 72px; }
.sources ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sources li { font-size: 13px; line-height: 1.7; color: #4A463F; }
.sources a { color: #4A463F; border-bottom: 1px solid #D9D4CA; word-break: break-all; }
.sources a:hover { color: #282828; border-bottom-color: #8CC63F; }

/* 記事の下の「この記事は Edu-biz通信 vol.xx で紹介」 */
.issue-note { font-size: 13px; color: #8B8578; margin: 20px 0 0 0; }
.issue-note a { color: #282828; font-weight: 700; }

/* 関連する記事（column.js が #related-slot に差し込む） */
.related-section { display: flex; flex-direction: column; gap: 18px; margin-top: 88px; }
.related-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px 22px; }
.related-card { display: flex; flex-direction: column; gap: 10px; color: inherit; }
.related-card:hover { color: inherit; }
.related-card img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.related-title { font-size: 14px; font-weight: 700; line-height: 1.6; color: #282828; word-break: auto-phrase; }
.related-card:hover .related-title { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.related-meta { font-size: 11.5px; color: #8B8578; }

@media (max-width: 680px) {
  .prose p, .prose li { font-size: 15.5px; }
  .prose h2 { margin-top: 52px; }
  .points li { font-size: 15px; }
  .related-list { grid-template-columns: 1fr; }
}

/* 記事ページのリードは本文と同じく語単位の改行をしない（長いので auto-phrase だと行がガタつく） */
.article-lead { word-break: normal; }
.brand:hover .brand-title { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }

/* 見出しの中で、この範囲では改行させない（「態度」／の評価 のような「の」始まりの行を防ぐ） */
.nw { white-space: nowrap; }

/* =====================================================================
   実践パート（「塾が明日から変えられる3つのこと」など）  2026-09-25 追加
   記事の中で読者が持ち帰る部分なので、紙色の座布団＋番号付きの白カードで目立たせる
   ===================================================================== */
.prose .action {
  background-color: #F7F5F0;
  border-top: 3px solid #8CC63F;
  padding: 26px 30px 30px 30px;
  margin: 64px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prose .action + h2 { margin-top: 64px; }
.prose .action h2 { margin: 2px 0 8px 0; padding-top: 0; border-top: none; }
.prose .action h4 { margin: 0; }
.action-item {
  background-color: #FFFFFF;
  padding: 18px 22px 20px 18px;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 16px;
  align-items: start;
}
.action-item .num-block { width: 40px; height: 40px; font-size: 19px; }
.action-body { min-width: 0; }
.prose .action-item h3 { margin: 6px 0 8px 0; font-size: 17.5px; }
.prose .action-item p { font-size: 15.5px; line-height: 1.95; }
.prose .action > p { font-size: 15px; color: #4A463F; margin: 6px 0 0 0; }
.prose .action .example { background-color: #FFFFFF; margin-top: 0; }

@media (max-width: 680px) {
  /* スマホは 番号｜見出し を1行目に並べ、本文はカード幅いっぱいに流す（横に並べると1行15字前後になる） */
  .prose .action { padding: 20px 14px 20px 14px; margin-left: -6px; margin-right: -6px; }
  .action-item { display: block; padding: 16px 16px 18px 16px; }
  .action-item .num-block { float: left; width: 32px; height: 32px; font-size: 16px; margin: 0 12px 4px 0; }
  .prose .action-item h3 { font-size: 16.5px; margin: 4px 0 10px 0; min-height: 32px; }
  .prose .action-item p { font-size: 15px; clear: both; }
}
/* 見出しのない短い手順（受け入れの流れ など）は、スマホでも番号の横に文を並べる */
@media (max-width: 680px) { .prose .action-item.step p { clear: none; margin-top: 4px !important; } .action-item.step { display: flow-root; } }

/* =====================================================================
   すららサイト群とのハブ（ヘッダーのメニュー・フッターのサイトマップ・記事内の相談枠）2026-09-30
   配色はすらら本体の緑 #8CC63F／差し色オレンジ #F7931E。緑の面には濃い文字（白文字はコントラスト不足）
   ===================================================================== */
.lead-text strong { font-weight: 700; color: #282828; background: linear-gradient(transparent 64%, #D9ECBF 64%); }

.global-nav { display: flex; align-items: center; gap: 22px; font-size: 12.5px; letter-spacing: 0.04em; }
.global-nav a:not(.btn) { color: #4A463F; white-space: nowrap; }
.global-nav a:not(.btn):hover { color: #282828; text-decoration: underline; text-decoration-color: #8CC63F; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.global-nav .btn { padding: 10px 18px; font-size: 12.5px; }

.site-footer.sitemap { display: block; background-color: #F7F5F0; border-top: 4px solid #8CC63F; padding: 44px 40px 32px 40px; margin-top: 0; }
.sitemap-inner { width: min(1000px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px 32px; }
.sitemap-col { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.sitemap-head { font-size: 13px; font-weight: 700; color: #282828; padding-bottom: 8px; border-bottom: 2px solid #8CC63F; margin-bottom: 4px; }
.sitemap-col a { font-size: 13px; color: #4A463F; line-height: 1.6; }
.sitemap-col a:hover { color: #282828; text-decoration: underline; text-decoration-color: #8CC63F; text-underline-offset: 4px; }
.site-footer.sitemap .copy { width: min(1000px, 100%); margin: 32px auto 0 auto; font-size: 11px; color: #8B8578; letter-spacing: 0.08em; }

/* 記事内の相談枠（まとめの後） */
.consult {
  margin-top: 56px;
  border: 1px solid #D9D4CA;
  border-top: 4px solid #8CC63F;
  padding: 24px 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
}
.consult-text { flex: 1 1 320px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.consult-text p { margin: 0; }
.consult-lead { font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; font-size: clamp(17px, 4vw, 20px); font-weight: 700; color: #282828; line-height: 1.55; word-break: auto-phrase; text-wrap: balance; }
.consult-sub { font-size: 13.5px; line-height: 1.85; color: #4A463F; text-wrap: pretty; }
.consult-actions { display: flex; flex-direction: column; gap: 10px; min-width: 220px; }
.consult-actions .btn { padding: 13px 20px; }

@media (max-width: 860px) {
  .global-nav a:not(.btn) { display: none; }
  .sitemap-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .site-header { padding: 10px 16px; }
  .global-nav .btn { padding: 9px 14px; font-size: 12px; }
  .site-footer.sitemap { padding: 36px 20px 28px 20px; }
  .consult { padding: 20px 18px; }
  .consult-actions { width: 100%; min-width: 0; }
}

/* 公式LINE を主役にしたボタン（案内帯・固定バー）2026-09-30。緑の帯の上では白地＋濃い文字で浮かせる */
.btn-line-main { background-color: #282828; color: #FFFFFF; }
.btn-line-main:hover { background-color: #000000; color: #FFFFFF; }
.sticky-cta .btn-line-main { background-color: #8CC63F; color: #282828; }
.sticky-cta .btn-line-main:hover { background-color: #73AD00; color: #282828; }
.cta-kicker { margin: 0; font-size: 12px; font-weight: 700; letter-spacing: 0.2em; color: #282828; }
.cta-sub strong { font-weight: 700; }
.cta-text { flex: 1 1 420px; }
.cta-actions { flex-direction: column; min-width: 240px; }
.cta-actions .btn { padding: 14px 22px; }
@media (max-width: 680px) { .cta-actions { min-width: 0; } }

/* 案内帯の見出しは語の途中で折らない（「お届けしま／す。」を防ぐ） */
.cta-title { word-break: auto-phrase; text-wrap: balance; }

/* =====================================================================
   図解（HTMLで組む図）2026-09-30
   画像にしない理由：文字が崩れない・スマホで組み替わる・検索エンジンに読まれる・1語から直せる
   ===================================================================== */
.prose .fig { margin: 28px 0 0 0; border: 1px solid #D9D4CA; border-top: 3px solid #8CC63F; background-color: #FFFFFF; padding: 20px 22px 16px 22px; }
.prose .fig + p, .prose .fig + h3 { margin-top: 1.4em; }
.fig-title { font-size: 14.5px; font-weight: 700; color: #282828; margin: 0 0 16px 0; line-height: 1.6; word-break: auto-phrase; }
.fig-title .fig-no { display: inline-block; font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; background-color: #8CC63F; color: #282828; padding: 1px 8px; margin-right: 10px; font-size: 13px; }
.prose .fig figcaption { font-size: 12.5px; line-height: 1.75; color: #8B8578; margin-top: 14px; text-wrap: pretty; }

/* 比較（左：今／右：変更案） */
.cmp { display: grid; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr); gap: 0 10px; align-items: stretch; }
.cmp-arrow { display: flex; align-items: center; justify-content: center; color: #73AD00; font-size: 22px; font-weight: 700; }
.cmp-col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.cmp-head { font-size: 12px; font-weight: 700; letter-spacing: 0.16em; color: #8B8578; }
.cmp-col.after .cmp-head { color: #282828; }

/* 通知表の欄 */
.rc { width: 100%; border-collapse: collapse; font-size: 13.5px; line-height: 1.55; }
.rc th, .rc td { border: 1px solid #D9D4CA; padding: 9px 10px; vertical-align: middle; text-align: left; }
.rc th { font-weight: 400; color: #4A463F; background-color: #F7F5F0; width: 58%; }
.rc td { text-align: center; font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; font-size: 18px; font-weight: 700; color: #282828; }
.rc td small { display: block; font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif; font-size: 11px; font-weight: 400; color: #4A463F; line-height: 1.5; margin-top: 2px; }
.rc tr.changed th, .rc tr.changed td { background-color: #D9ECBF; }
.rc tr.total th, .rc tr.total td { border-top: 2px solid #282828; }
.rc-note { font-size: 12.5px; line-height: 1.7; color: #4A463F; background-color: #F7F5F0; padding: 8px 10px; }

/* 期間の中での表れ方（点の並び） */
.span { display: grid; grid-template-columns: 9.5em repeat(6, minmax(0, 1fr)); gap: 6px; align-items: center; font-size: 12.5px; }
.span-h { font-size: 11px; color: #8B8578; text-align: center; }
.span-label { font-size: 13px; color: #282828; font-weight: 700; line-height: 1.45; }
.span-cell { height: 30px; border: 1px dashed #D9D4CA; display: flex; align-items: center; justify-content: center; }
.span-cell.on::after { content: ""; width: 12px; height: 12px; background-color: #8CC63F; }
.span-sep { grid-column: 1 / -1; height: 1px; background-color: #E2DDD2; margin: 4px 0; }

/* 流れ（根本の原因 → 表に出たつまずき など） */
.chain { display: grid; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr); gap: 0 10px; align-items: stretch; }
.chain-box { border: 1px solid #D9D4CA; padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.chain-box.root { background-color: #D9ECBF; border-color: #8CC63F; }
.chain-k { font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; color: #8B8578; }
.chain-v { font-size: 14.5px; font-weight: 700; color: #282828; line-height: 1.55; }
.chain-s { font-size: 12.5px; color: #4A463F; line-height: 1.6; }
.steps3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 14px; }
.steps3 div { background-color: #F7F5F0; padding: 10px 12px; font-size: 13px; line-height: 1.6; color: #282828; }
.steps3 b { display: block; font-size: 11.5px; color: #73AD00; letter-spacing: 0.08em; margin-bottom: 2px; }

/* 科目の並び */
.subj { display: flex; flex-wrap: wrap; gap: 6px; }
.subj span { border: 1px solid #D9D4CA; background-color: #F7F5F0; padding: 7px 10px; font-size: 13.5px; font-weight: 700; color: #282828; }
.subj span.gone { color: #8B8578; text-decoration: line-through; text-decoration-color: #8B8578; background-color: #FFFFFF; }
.subj span.new { background-color: #D9ECBF; border-color: #8CC63F; }
.subj-group { display: flex; flex-direction: column; gap: 6px; }
.subj-cap { font-size: 11.5px; color: #8B8578; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 4px; }
.chips span { font-size: 12px; font-weight: 400; background-color: #FFFFFF; border: 1px solid #8CC63F; padding: 3px 8px; color: #282828; }

/* 3つの評価方法 */
.ev { display: flex; flex-direction: column; gap: 8px; }
.ev-row { display: grid; grid-template-columns: minmax(0, 1.25fr) 24px 6.5em minmax(0, 1fr); gap: 0 10px; align-items: center; border: 1px solid #D9D4CA; padding: 12px 14px; }
.ev-row.hl { background-color: #D9ECBF; border-color: #8CC63F; }
.ev-if { font-size: 13.5px; color: #282828; line-height: 1.55; }
.ev-arrow { color: #73AD00; font-weight: 700; text-align: center; }
.ev-mark { font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; font-size: 22px; font-weight: 700; color: #282828; text-align: center; }
.ev-name { font-size: 13.5px; font-weight: 700; color: #282828; line-height: 1.5; }

/* 「4※」の読み方 */
.anat { display: flex; align-items: stretch; justify-content: center; gap: 18px; flex-wrap: wrap; }
.anat-part { display: flex; flex-direction: column; align-items: center; gap: 10px; flex: 1 1 200px; max-width: 280px; }
.anat-big { font-family: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif; font-size: 56px; font-weight: 700; line-height: 1; color: #282828; background-color: #D9ECBF; width: 92px; height: 92px; display: flex; align-items: center; justify-content: center; }
.anat-desc { font-size: 13.5px; line-height: 1.7; color: #282828; text-align: center; text-wrap: pretty; }
.anat-desc b { display: block; font-size: 12px; color: #73AD00; letter-spacing: 0.08em; margin-bottom: 2px; }

@media (max-width: 680px) {
  .prose .fig { padding: 16px 14px 12px 14px; margin-left: -6px; margin-right: -6px; }
  .cmp, .chain { grid-template-columns: minmax(0, 1fr); gap: 6px 0; }
  .cmp-arrow, .chain > .cmp-arrow { transform: rotate(90deg); height: 26px; }
  .span { grid-template-columns: 6.2em repeat(6, minmax(0, 1fr)); gap: 4px; }
  .span-label { font-size: 12px; }
  .steps3 { grid-template-columns: minmax(0, 1fr); }
  .ev-row { grid-template-columns: minmax(0, 1fr) 4.5em; gap: 6px 10px; }
  .ev-row .ev-arrow { display: none; }
  .ev-row .ev-name { grid-column: 1 / -1; }
  .anat-big { width: 76px; height: 76px; font-size: 46px; }
}
/* 図の中の段落は、本文の段落（.prose p）の大きさ・余白を引き継がない */
.prose .fig p.fig-title { font-size: 14.5px; line-height: 1.6; margin: 0 0 16px 0; }
.prose .fig p.rc-note { font-size: 12.5px; line-height: 1.7; margin: 0; }
.prose .fig p.anat-desc { font-size: 13.5px; line-height: 1.7; margin: 0; }
@media (max-width: 680px) { .prose .fig p.fig-title { font-size: 14px; } }

@media (max-width: 680px) { .toc-meta { gap: 10px 12px; } .toc-jump { width: 100%; justify-content: center; padding: 11px 16px; font-size: 14.5px; } }

/* 出演者の写真（インタビュー回。YouTube が自動で作る場面写真を使う。2026-09-30 小田さん了承：テロップ入りでも可） */
.prose .photo { margin: 28px 0 0 0; }
.prose .photo img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; background-color: #F7F5F0; }
.prose .photo figcaption { font-size: 12.5px; line-height: 1.75; color: #8B8578; margin-top: 10px; padding-left: 10px; border-left: 3px solid #8CC63F; }
.prose .photo + p, .prose .photo + h3 { margin-top: 1.4em; }