/* 姉妹メディア共通 - 新R25風デザイン（白地・極太ゴシック・テーマカラーは --accent の1変数で切替） */
:root {
  --accent: #0E2A5C;
  --accent-dark: #071A3D;
  --ink: #111111;
  --gray: #666666;
  --line: #111111;
  --bg-soft: #f4f6f8;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ---------- header ---------- */
.site-header { background: #000; color: #fff; }
.header-inner {
  max-width: 1080px; margin: 0 auto; padding: 18px 16px 14px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.logo { font-size: 40px; font-weight: 900; letter-spacing: 0.02em; line-height: 1; }
.logo-slash { color: var(--accent); }
.logo-sub { font-size: 20px; font-weight: 900; }
.header-editor { font-size: 12px; color: #ddd; font-weight: 700; }
.tagline-band {
  background: var(--accent); color: #fff; text-align: center;
  font-weight: 900; font-size: 15px; padding: 8px 12px; letter-spacing: 0.06em;
}

/* ---------- layout ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 0 16px 64px; }

/* ---------- concept ---------- */
.concept { padding: 40px 0 8px; }
.concept-main { font-size: clamp(30px, 6vw, 52px); font-weight: 900; line-height: 1.3; margin: 0; }
.concept-sub { font-size: clamp(15px, 2.6vw, 19px); font-weight: 700; color: #333; margin: 12px 0 0; }

/* ---------- sections ---------- */
.section { margin-top: 44px; }
.section-title {
  display: inline-block; background: #000; color: #fff; font-weight: 900;
  font-size: 20px; padding: 6px 18px; margin: 0 0 18px; letter-spacing: 0.04em;
}
.section-title.accent { background: var(--accent); }
.section-title.yellow { background: var(--accent); color: #fff; }

/* ---------- ranking ---------- */
.ranking-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rank-card { border: 3px solid var(--line); padding: 16px; position: relative; background: #fff; display: block; }
.rank-card:hover { background: var(--bg-soft); }
.rank-badge {
  display: inline-block; font-weight: 900; font-size: 15px; padding: 2px 12px; margin-bottom: 10px; color: #fff; background: #000;
}
.rank-1 .rank-badge { background: var(--accent); color: #fff; font-size: 18px; }
.rank-2 .rank-badge { background: #6E87A8; }
.rank-3 .rank-badge { background: #7C9CC4; }
.rank-title { font-size: 19px; font-weight: 900; line-height: 1.5; margin: 0; }

/* ---------- cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { border: 3px solid var(--line); background: #fff; display: flex; flex-direction: column; }
.card:hover { background: var(--bg-soft); }
.card-cover { height: 120px; display: flex; align-items: center; justify-content: center; color: #fff; overflow: hidden; position: relative; }
.card-cover .cover-word { font-size: 30px; font-weight: 900; letter-spacing: 0.08em; opacity: 0.95; }
.cover-a { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
.cover-b { background: linear-gradient(135deg, #111111, #4a4a4a); }
.cover-c { background: linear-gradient(135deg, var(--accent-dark), #111111); }
.cover-d { background: linear-gradient(135deg, var(--accent), #111111); }
.card-body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chip { display: inline-block; color: #fff; font-size: 12px; font-weight: 900; padding: 2px 10px; background: #111; }
.new-badge { background: var(--accent); color: #fff; font-size: 12px; font-weight: 900; padding: 2px 8px; }
.card-date { font-size: 12px; color: var(--gray); font-weight: 700; }
.card-title { font-size: 19px; font-weight: 900; line-height: 1.55; margin: 0; }
.card-sub { font-size: 13.5px; color: #333; margin: 0; line-height: 1.7; }

/* ---------- featured ---------- */
.featured-card { border: 4px solid var(--line); display: grid; grid-template-columns: 1fr 1.4fr; background: #fff; }
.featured-card:hover { background: var(--bg-soft); }
.featured-cover { min-height: 220px; }
.featured-body { padding: 22px 24px; }
.featured-title { font-size: clamp(22px, 3.6vw, 30px); font-weight: 900; line-height: 1.5; margin: 6px 0 10px; }
.featured-sub { font-size: 15px; color: #333; margin: 0; }
.featured-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }

/* ---------- segments ---------- */
.segment-group-title { font-size: 20px; font-weight: 900; margin: 20px 0 12px; border-left: 8px solid var(--accent); padding-left: 10px; }
.segment-group-title:first-of-type { margin-top: 4px; }
.segment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.segment-btn {
  border: 3px solid var(--line); padding: 20px 10px; text-align: center;
  font-size: 18px; font-weight: 900; background: #fff; display: block;
}
.segment-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent-dark); }
.segment-btn small { display: block; font-size: 12px; font-weight: 700; margin-top: 4px; }

/* ---------- tabs & search ---------- */
.tabs { position: sticky; top: 0; z-index: 50; background: #fff; padding: 12px 0 4px; }
.tabs-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  border: 3px solid var(--line); background: #fff; font-weight: 900; font-size: 15px;
  padding: 6px 16px; cursor: pointer; font-family: inherit;
}
.tab.active { background: #000; color: #fff; }
.search-box { margin-top: 12px; display: flex; gap: 8px; }
.search-box input {
  flex: 1; border: 3px solid var(--line); padding: 10px 12px; font-size: 15px; font-family: inherit;
}
.search-box button {
  background: var(--accent); color: #fff; border: 3px solid var(--accent-dark);
  font-weight: 900; font-size: 15px; padding: 10px 20px; cursor: pointer; font-family: inherit;
}
.cat-desc { color: #333; font-size: 14px; font-weight: 700; margin: 10px 0 0; }
.empty-note { border: 3px dashed #999; padding: 24px; text-align: center; font-weight: 700; color: #555; }

/* ---------- article ---------- */
.article-head { padding: 28px 0 0; }
.article-title { font-size: clamp(26px, 5vw, 40px); font-weight: 900; line-height: 1.5; margin: 10px 0; }
.article-sub { font-size: 16px; color: #333; font-weight: 700; margin: 0 0 8px; }
.article-meta { font-size: 13px; color: var(--gray); font-weight: 700; }
.toc { border: 3px solid var(--line); padding: 16px 20px; margin: 24px 0; background: var(--bg-soft); }
.toc-title { font-weight: 900; margin: 0 0 8px; }
.toc ul { margin: 0; padding-left: 20px; }
.toc a { font-weight: 700; color: var(--accent-dark); }
.article-body { font-size: 16.5px; }
.article-body h2 {
  font-size: 24px; font-weight: 900; line-height: 1.5;
  border-left: 8px solid var(--accent); padding-left: 12px; margin: 40px 0 14px;
}
.article-body h3 { font-size: 19px; font-weight: 900; margin: 30px 0 10px; }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 24px; }
.article-body li { margin-bottom: 6px; }
.article-body a { color: var(--accent); font-weight: 700; word-break: break-all; }
.share-box { border-top: 3px solid var(--line); margin-top: 36px; padding-top: 18px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.share-box .share-label { font-weight: 900; }
.share-btn { background: #000; color: #fff; border: none; font-weight: 900; font-size: 14px; padding: 10px 18px; cursor: pointer; font-family: inherit; }
.back-link { display: inline-block; margin-top: 28px; font-weight: 900; color: var(--accent-dark); }

/* ---------- consultation ---------- */
.consult { border: 4px solid var(--accent); padding: 24px; margin-top: 44px; background: #fff; }
.consult-title { font-size: 23px; font-weight: 900; margin: 0 0 6px; }
.consult-lead { margin: 0 0 14px; font-weight: 700; }
.consult-guard {
  background: #EDF2F9; border: 2px solid var(--accent); padding: 12px 14px;
  font-size: 13.5px; font-weight: 700; margin: 0 0 18px;
}
.consult-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.consult-form .full { grid-column: 1 / -1; }
.consult-form label { display: block; font-weight: 900; font-size: 14px; margin-bottom: 6px; }
.consult-form input, .consult-form select, .consult-form textarea {
  width: 100%; border: 2.5px solid var(--line); padding: 10px 12px; font-size: 15px; font-family: inherit; background: #fff;
}
.consult-form textarea { min-height: 120px; resize: vertical; }
.consult-submit {
  background: var(--accent); color: #fff; border: 3px solid var(--accent-dark);
  font-weight: 900; font-size: 17px; padding: 14px 28px; cursor: pointer; font-family: inherit;
}
.consult-submit:disabled { opacity: 0.6; cursor: wait; }
.consult-result { font-weight: 900; margin-top: 14px; }
.consult-result.ok { color: var(--accent-dark); }
.consult-result.ng { color: #c00; }



/* ---------- news ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.news-card { border: 3px solid var(--line); background: #fff; padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.news-title { font-size: 17.5px; font-weight: 900; line-height: 1.55; margin: 0; }
.news-summary { font-size: 13.5px; color: #333; margin: 0; line-height: 1.75; }
.news-comment { background: var(--bg-soft); border-left: 6px solid var(--accent); padding: 10px 12px; margin-top: auto; }
.news-comment-label { font-size: 11.5px; font-weight: 900; color: var(--accent-dark); letter-spacing: 0.06em; }
.news-comment p { margin: 2px 0 0; font-size: 13.5px; font-weight: 700; line-height: 1.7; }
.news-source { font-size: 12px; color: var(--gray); font-weight: 700; margin: 0; }
.news-source a { color: var(--accent-dark); text-decoration: underline; }
.news-more { margin: 14px 0 0; }
@media (max-width: 820px) { .news-grid { grid-template-columns: 1fr; } }

/* ---------- sisters ---------- */
.sister-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sister-card { border: 3px solid var(--line); background: #fff; display: block; }
.sister-card:hover { background: var(--bg-soft); }
.sister-band { height: 10px; }
.sister-body { padding: 16px 18px 18px; }
.sister-label { font-size: 12px; font-weight: 900; color: var(--gray); letter-spacing: 0.08em; }
.sister-name { font-size: 22px; font-weight: 900; margin: 2px 0 4px; }
.sister-tagline { font-size: 13.5px; color: #333; margin: 0; }
@media (max-width: 820px) { .sister-grid { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.site-footer { background: #000; color: #fff; margin-top: 0; }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 28px 16px 36px; }
.footer-logo { font-size: 24px; font-weight: 900; margin-bottom: 8px; }
.footer-note { font-size: 13px; color: #ccc; margin: 4px 0; }

/* ---------- admin ---------- */
.admin-wrap { max-width: 1080px; margin: 0 auto; padding: 24px 16px 64px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th, .admin-table td { border: 2px solid #111; padding: 8px; text-align: left; vertical-align: top; }
.admin-table th { background: #111; color: #fff; }
.admin-table select { font-family: inherit; font-size: 14px; padding: 4px; }

@media (max-width: 820px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .ranking-grid { grid-template-columns: 1fr; }
  .segment-grid { grid-template-columns: 1fr 1fr; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-cover { min-height: 140px; }
  .featured-list { grid-template-columns: 1fr; }
  .consult-form { grid-template-columns: 1fr; }
  .logo { font-size: 32px; }
}
@media (max-width: 520px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ---------- v2: RGBドット（3メディア共通のサイン） ---------- */
.rgb-dots { display: inline-flex; gap: 5px; margin-left: 12px; vertical-align: super; }
.rgb-dots .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-r { background: #e60012; }
.dot-g { background: #009944; }
.dot-b { background: #2b44e7; }
.footer-logo .rgb-dots { vertical-align: baseline; }
.footer-logo .rgb-dots .dot { width: 7px; height: 7px; }

/* ---------- v2: Monocle風（AX/DX・教育）セリフ体ロゴ＋余白 ---------- */
body.theme-monocle .logo {
  font-family: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "YuMincho", "Yu Mincho", "Noto Serif JP", serif;
  font-weight: 700; letter-spacing: 0.05em;
}
body.theme-monocle .header-inner { padding: 26px 16px 20px; }
body.theme-monocle .footer-logo {
  font-family: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "YuMincho", "Yu Mincho", "Noto Serif JP", serif;
  font-weight: 700; letter-spacing: 0.05em;
}
body.theme-monocle .concept { padding: 56px 0 12px; }

/* ---------- v2: 教育のアナログな手触り（紙・罫線） ---------- */
body.theme-edu { background: #FAFCFE; }
body.theme-edu .concept {
  background-image: repeating-linear-gradient(to bottom, transparent 0, transparent 33px, rgba(127, 168, 201, 0.28) 33px, rgba(127, 168, 201, 0.28) 34px);
  border-bottom: 2px dashed rgba(74, 117, 159, 0.45);
  padding-left: 14px; padding-right: 14px;
}
body.theme-edu .card, body.theme-edu .rank-card, body.theme-edu .featured-card,
body.theme-edu .news-card, body.theme-edu .sister-card { background: #FDFEFF; }
body.theme-edu .toc { background: #EFF5FA; }
body.theme-edu .section-title { border-radius: 2px; }

/* ---------- v2: WIRED風（ディープテック）シャープ＋大きなカバー ---------- */
body.theme-wired .logo {
  font-family: "Helvetica Neue", Helvetica, Arial, "Hiragino Kaku Gothic ProN", sans-serif;
  font-weight: 900; letter-spacing: 0.01em;
}
body.theme-wired .header-inner { padding: 22px 16px 16px; }
body.theme-wired .card-cover { height: 180px; }
body.theme-wired .card-cover .cover-word { font-size: 38px; }
body.theme-wired .featured-cover { min-height: 320px; }
body.theme-wired .concept-main { letter-spacing: 0.01em; }

/* ---------- v3: ロゴ英字サブ表記・教育の白文字面の深化 ---------- */
.logo-en { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.35em; color: #cfd8e3; margin-top: 7px; }
body.theme-wired .logo-sub-jp { display: block; font-size: 13px; font-weight: 700; letter-spacing: 0.32em; color: #cfd8e3; margin-top: 7px; }
body.theme-edu .tagline-band, body.theme-edu .section-title.accent { background: #5E93BC; }
body.theme-edu .search-box button, body.theme-edu .consult-submit { background: #5E93BC; border-color: #35618C; }
body.theme-edu .segment-btn:hover { background: #5E93BC; border-color: #35618C; }

/* ---------- 改善: 相談導線・前後記事ナビ・件数表示（濃紺基調・1pxヘアライン） ---------- */
.header-consult-btn {
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  font-weight: 900; font-size: 14px; letter-spacing: 0.04em;
  padding: 9px 18px; cursor: pointer; font-family: inherit;
  white-space: nowrap; flex-shrink: 0; align-self: center;
}
.header-consult-btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.footer-consult-link {
  color: #fff; font-weight: 700; text-decoration: underline;
  text-underline-offset: 3px; margin-left: 8px; white-space: nowrap;
}
.footer-consult-link:hover { color: #7C9CC4; }
.article-count { font-size: 13.5px; font-weight: 700; color: var(--gray); margin: 16px 0 0; }
.article-nav {
  display: flex; justify-content: space-between; gap: 16px;
  border-top: 1px solid #c9d3e0; margin-top: 40px; padding-top: 20px;
}
.article-nav-link { display: block; max-width: 48%; }
.article-nav-next { margin-left: auto; text-align: right; }
.article-nav-label { display: block; font-size: 12px; font-weight: 900; color: var(--gray); letter-spacing: 0.06em; margin-bottom: 4px; }
.article-nav-title { display: block; font-size: 15px; font-weight: 900; line-height: 1.6; color: var(--accent-dark); }
.article-nav-link:hover .article-nav-title { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 520px) {
  .header-consult-btn { font-size: 13px; padding: 8px 14px; }
  .article-nav { flex-direction: column; }
  .article-nav-link { max-width: 100%; }
  .article-nav-next { margin-left: 0; text-align: left; }
}

/* 記事フッター（信頼＆導線の標準化） */
.article-footer{margin:40px 0 8px;padding:20px 22px;border:1px solid rgba(128,128,128,.35);border-radius:10px;background:rgba(128,128,128,.05)}
.article-footer .af-block+.af-block{margin-top:16px}
.article-footer .af-title{font-weight:700;font-size:.92rem;margin:0 0 6px}
.article-footer .af-media,.article-footer .af-policy,.article-footer .af-basis,.article-footer .af-consult-text{font-size:.88rem;line-height:1.75;margin:0}
.article-footer .af-sources{margin:4px 0 6px;padding-left:1.2em;font-size:.88rem;line-height:1.75}
.article-footer .af-sources li{margin:2px 0}
.article-footer .af-consult-text a{font-weight:700}