/* =========================================================
   新しい記事テンプレート（journal_article_template.html）用
   白地・紺・金の落ち着いたトーンに、AI社員3人の色で対話を見せる
   ========================================================= */
:root {
  --ja-navy: #0A192F;
  --ja-ink: #1E293B;
  --ja-ink-2: #475569;
  --ja-line: #E2E8F0;
  --ja-paper: #F8FAFC;
  --ja-gold: #D4AF37;
  --ja-gold-ink: #8A6A12;
  --ja-nikkuni: #8A6A12;
  --ja-yui: #2563EB;
  --ja-mio: #DB2777;
  --ja-sora: #059669;
  --ja-serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --ja-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--ja-paper); color: var(--ja-ink); font-family: var(--ja-sans); font-size: 16px; line-height: 1.9; }
img { max-width: 100%; height: auto; display: block; }
a { color: #1D3461; }
.ja-wrap { max-width: 780px; margin: 0 auto; padding: 0 16px; }

/* ヘッダー */
.ja-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); border-bottom: 2px solid var(--ja-gold); backdrop-filter: blur(8px); }
.ja-header .ja-wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 58px; max-width: 1100px; }
.ja-brand { display: flex; flex-direction: column; text-decoration: none; color: var(--ja-navy); line-height: 1.25; }
.ja-brand b { font-family: var(--ja-serif); font-size: 16px; }
.ja-brand small { font-size: 11px; color: #64748B; }
.ja-back { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; border-radius: 999px; background: #F1F5F9; color: var(--ja-navy); text-decoration: none; font-size: 14px; font-weight: 700; white-space: nowrap; }

/* パンくず・見出し */
.ja-crumbs { font-size: 13px; color: #64748B; margin: 14px 0 0; }
.ja-crumbs a { color: #475569; }
.ja-cat { display: inline-block; margin-top: 16px; font-size: 12.5px; font-weight: 700; color: var(--ja-gold-ink); background: #FBF5E0; border: 1px solid #EAD9A0; padding: 1px 10px; border-radius: 4px; }
.ja-title { font-family: var(--ja-serif); font-size: clamp(24px, 6.4vw, 34px); line-height: 1.5; color: var(--ja-navy); margin: 10px 0 12px; }
.ja-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: #64748B; padding: 10px 0; border-top: 1px solid var(--ja-line); border-bottom: 1px solid var(--ja-line); }
.ja-eyecatch { margin: 18px 0 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--ja-line); }

/* この記事の結論 */
.ja-summary { margin: 24px 0; padding: 18px 18px 14px; background: linear-gradient(180deg, #FFFBEF, #fff); border: 1px solid #EAD9A0; border-left: 5px solid var(--ja-gold); border-radius: 14px; }
.ja-summary h2 { margin: 0 0 6px; font-size: 14px; letter-spacing: .1em; color: var(--ja-gold-ink); font-family: var(--ja-sans); }
.ja-summary .ja-answer { margin: 0 0 8px; font-weight: 700; color: var(--ja-navy); font-size: 17px; line-height: 1.75; }
.ja-summary ul { margin: 0; padding-left: 1.2em; }
.ja-summary li { margin: 3px 0; }

/* 本文 */
.ja-body { font-size: 17px; }
.ja-body p { margin: 0 0 1.1em; }
.ja-body h2 { font-family: var(--ja-serif); font-size: clamp(20px, 5.2vw, 25px); color: var(--ja-navy); line-height: 1.5; margin: 2.2em 0 .8em; padding-bottom: 8px; border-bottom: 2px solid var(--ja-navy); position: relative; }
.ja-body h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 64px; height: 2px; background: var(--ja-gold); }
.ja-body strong { background: linear-gradient(transparent 62%, rgba(245, 166, 35, .3) 62%); }
.ja-point { margin: 1.4em 0; padding: 16px 18px; background: #fff; border: 1.5px solid var(--ja-gold); border-radius: 12px; }
.ja-point b.ja-label { display: inline-block; font-size: 12.5px; letter-spacing: .08em; color: var(--ja-navy); background: #F1D77A; padding: 1px 10px; border-radius: 4px; margin-bottom: 6px; }
.ja-point p:last-child { margin-bottom: 0; }

/* 対話（先生・AI社員） */
.ja-talk { display: grid; gap: 14px; margin: 1.4em 0 1.8em; }
.ja-say { display: grid; grid-template-columns: 52px 1fr; gap: 10px; align-items: start; }
.ja-say img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; border: 2px solid var(--c); background: #fff; }
.ja-say .ja-bubble { position: relative; background: #fff; border: 1px solid var(--ja-line); border-left: 4px solid var(--c); border-radius: 4px 14px 14px 14px; padding: 10px 14px 12px; font-size: 16px; line-height: 1.85; box-shadow: 0 4px 14px rgba(10, 25, 47, .05); }
.ja-say .ja-who { display: block; font-size: 13px; font-weight: 700; color: var(--c); margin-bottom: 2px; }
.ja-say .ja-who small { color: #64748B; font-weight: 500; margin-left: 6px; }
.ja-say .ja-bubble p { margin: 0; }
.ja-say.is-nikkuni { --c: var(--ja-nikkuni); }
.ja-say.is-yui { --c: var(--ja-yui); }
.ja-say.is-mio { --c: var(--ja-mio); }
.ja-say.is-sora { --c: var(--ja-sora); }

/* FAQ */
.ja-faq { margin: 2.4em 0 0; }
.ja-faq h2 { font-family: var(--ja-serif); font-size: clamp(20px, 5.2vw, 25px); color: var(--ja-navy); margin: 0 0 .6em; }
.ja-faq details { background: #fff; border: 1px solid var(--ja-line); border-radius: 12px; margin-top: 10px; }
.ja-faq summary { list-style: none; cursor: pointer; display: flex; gap: 10px; padding: 14px 16px; min-height: 48px; font-weight: 700; color: var(--ja-navy); line-height: 1.65; }
.ja-faq summary::-webkit-details-marker { display: none; }
.ja-faq summary::before { content: "Q"; color: var(--ja-gold-ink); font-family: var(--ja-serif); font-size: 18px; line-height: 1.45; }
.ja-faq summary::after { content: "＋"; margin-left: auto; color: #94A3B8; }
.ja-faq details[open] summary::after { content: "－"; }
.ja-faq .ja-a { padding: 0 16px 16px 40px; }
.ja-faq .ja-a p { margin: 0; }

/* 監修 */
.ja-author { margin: 36px 0 0; display: grid; grid-template-columns: 72px 1fr; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--ja-line); border-radius: 14px; padding: 16px; }
.ja-author img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 3px solid var(--ja-gold); }
.ja-author p { margin: 0; font-size: 14.5px; line-height: 1.75; color: var(--ja-ink-2); }
.ja-author b { color: var(--ja-navy); font-size: 16px; }

.ja-footer { margin-top: 48px; background: var(--ja-navy); color: #A8B2D1; padding: 28px 0; font-size: 13px; text-align: center; }
.ja-footer a { color: #fff; }