/*
 * コラム（/mori/column）の共通スタイル。
 *
 * ここ1箇所を直せば全記事に反映される（記事ごとに HTML を複製しない）。
 * 更新したら functions/mori/column/_column-shell.js の ASSET_VERSION を上げる。
 *
 * 配色は公開サイト（public/mori/faq.html 等）と同じ変数名・同じ値にそろえている。
 * 本文はゴシックで読みやすく、見出しは明朝で品よく（announcement.html と同じ方針）。
 */
:root {
  --forest: #2d4a2d;
  --moss: #4a6741;
  --sage: #7a9e6e;
  --fern: #a8c49a;
  --cream: #f5f0e8;
  --sand: #e8dcc8;
  --ochre: #c4923a;
  --mist: #dde8d6;
  --ink: #1a2416;
  --font-body: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  --font-serif: 'Hiragino Mincho ProN', 'Hiragino Mincho Pro', 'Yu Mincho', 'Noto Serif JP', serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.9;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* ── ヘッダー / フッター ── */
body > header {
  background: var(--forest);
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
body > header .logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.06em;
}
body > header .logo span { color: var(--ochre); }
body > header .back-link { font-size: 0.78rem; color: rgba(255,255,255,0.75); text-decoration: none; white-space: nowrap; }
body > header .back-link:hover { color: #fff; }

footer {
  background: var(--forest);
  color: rgba(255,255,255,0.7);
  text-align: center;
  font-size: 0.76rem;
  line-height: 2;
  padding: 2rem 1.2rem;
}

/* ── レイアウト ── */
.container { max-width: 720px; margin: 0 auto; padding: 2.4rem 1.2rem 4rem; }

.doc-label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--moss);
  font-weight: 600;
  margin-bottom: 0.7rem;
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4.4vw, 1.95rem);
  color: var(--forest);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.03em;
}

.lead { margin-top: 1rem; font-size: 0.9rem; color: #555; }

/* ── 記事 ── */
.article { background: #fff; padding: 2.2rem 1.8rem 2.6rem; border-radius: 10px; box-shadow: 0 2px 16px rgba(45,74,45,0.07); }
.article-meta {
  margin-top: 1rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--fern);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.article-meta time {
  display: inline-block;
  font-size: 0.78rem;
  color: #fff;
  background: var(--forest);
  padding: 0.24rem 0.85rem;
  border-radius: 4px;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.article-meta .article-author { font-size: 0.78rem; color: var(--moss); }

.article-body { margin-top: 1.8rem; }
.article-body p { margin-bottom: 1.3rem; font-size: 0.96rem; line-height: 2; }
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  color: var(--forest);
  font-weight: 700;
  line-height: 1.6;
  margin: 2.4rem 0 1rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--sage);
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.06rem;
  color: var(--moss);
  font-weight: 700;
  margin: 2rem 0 0.8rem;
}
.article-body h4 { font-size: 0.96rem; color: var(--moss); font-weight: 700; margin: 1.6rem 0 0.6rem; }
.article-body ul, .article-body ol { margin: 0 0 1.3rem 1.4rem; }
.article-body li { font-size: 0.95rem; line-height: 1.95; margin-bottom: 0.35rem; }
.article-body blockquote {
  margin: 0 0 1.3rem;
  padding: 1rem 1.2rem;
  background: var(--mist);
  border-left: 3px solid var(--sage);
  border-radius: 0 6px 6px 0;
}
.article-body blockquote p { margin-bottom: 0.6rem; font-size: 0.92rem; color: #3d4a38; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body hr { border: none; border-top: 1px solid var(--sand); margin: 2.2rem 0; }
.article-body a { color: var(--moss); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--forest); }
.article-body strong { font-weight: 700; color: var(--forest); }
.article-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: var(--mist);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}
.article-body img { max-width: 100%; height: auto; border-radius: 8px; }

.article-nav {
  margin-top: 1.8rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.article-nav a { color: var(--moss); text-decoration: none; }
.article-nav a:hover { color: var(--forest); text-decoration: underline; }

/* ── 一覧 ── */
.column-list { list-style: none; margin-top: 1.8rem; }
.column-card { margin-bottom: 0.9rem; }
.column-card a {
  display: block;
  background: #fff;
  padding: 1.4rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(45,74,45,0.06);
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, transform .12s, box-shadow .15s;
}
.column-card a:hover { border-color: var(--fern); transform: translateY(-1px); box-shadow: 0 4px 18px rgba(45,74,45,0.12); }
.column-card .card-date {
  display: inline-block;
  font-size: 0.76rem;
  color: #fff;
  background: var(--forest);
  padding: 0.24rem 0.85rem;
  border-radius: 4px;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 0.7rem;
}
.column-card .card-title {
  font-family: var(--font-serif);
  font-size: 1.14rem;
  color: var(--forest);
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 0.6rem;
}
.column-card .card-summary {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.column-card .card-more { display: inline-block; margin-top: 0.7rem; font-size: 0.78rem; color: var(--moss); font-weight: 500; }

.empty-state { text-align: center; color: #888; padding: 2.5rem 1rem; font-size: 0.88rem; }

.pager { margin-top: 2rem; display: flex; align-items: center; justify-content: center; gap: 1.2rem; font-size: 0.85rem; }
.pager a { color: var(--moss); text-decoration: none; }
.pager a:hover { color: var(--forest); text-decoration: underline; }
.pager .pager-status { color: #888; font-size: 0.8rem; }

/* ── 404 ── */
.notfound { background: #fff; border-radius: 10px; padding: 2.6rem 1.8rem; text-align: center; box-shadow: 0 2px 16px rgba(45,74,45,0.07); }
.notfound p { margin: 1rem 0 1.6rem; font-size: 0.9rem; color: #555; }
.notfound .btn,
.btn {
  display: inline-block;
  background: var(--forest);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  padding: 0.7rem 1.6rem;
  font-size: 0.88rem;
  font-weight: 600;
}
.btn:hover { background: var(--moss); }

@media (max-width: 480px) {
  body > header { padding: 1rem 1.1rem; }
  .container { padding: 1.8rem 1rem 3rem; }
  .article { padding: 1.6rem 1.2rem 2rem; }
}