/* =========================================================
   40代からのお金と介護ノート  共通スタイル
   ledger / 帳簿ノート をモチーフにした落ち着いた配色
   ========================================================= */

:root {
  --paper: #f6f3ec;
  --paper-deep: #efe9dc;
  --paper-card: #fffdf8;
  --ink: #2b2a28;
  --ink-soft: #6b6459;
  --ledger-line: #c9c2b3;
  --navy: #2f4858;
  --navy-deep: #1e3038;
  --gold: #b08d57;
  --gold-ink: #935e1f;
  --stamp-green: #3c6e47;
  --stamp-red: #a94442;

  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --wrap: 760px;
  --wrap-narrow: 680px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); }

img { max-width: 100%; height: auto; }

/* ---------- 上部ナビ ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 243, 236, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--ledger-line);
}
.site-nav__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.site-nav__logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.site-nav__logo span { color: var(--gold); }
.site-nav__links {
  margin-left: auto;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.site-nav__links a {
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
}
.site-nav__links a:hover { color: var(--navy); background: rgba(47, 72, 88, 0.08); }
.site-nav__toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--ledger-line);
  background: var(--paper-card);
  color: var(--navy);
  font-size: 1rem;
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
}

@media (max-width: 620px) {
  .site-nav__toggle { display: block; }
  .site-nav__links {
    display: none;
    width: 100%;
    margin: 8px 0 2px;
    flex-direction: column;
    gap: 2px;
  }
  .site-nav.is-open .site-nav__links { display: flex; }
  .site-nav__inner { flex-wrap: wrap; }
  .site-nav__links a { padding: 9px 8px; }
}

/* ---------- レイアウト ---------- */
.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 48px 20px 80px;
}
.wrap--narrow { max-width: var(--wrap-narrow); }

.eyebrow {
  font-size: 0.76rem;
  letter-spacing: 0.28em;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 10px;
}

h1 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4.5vw, 2.2rem);
  font-weight: 600;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.section-label {
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 700;
  text-transform: uppercase;
  margin: 46px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ledger-line);
}

/* ---------- パンくず ---------- */
.crumb {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.crumb a { color: var(--navy); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }

/* ---------- トップ：ヒーロー ---------- */
.hero {
  text-align: center;
  margin-bottom: 20px;
}
.hero h1 { margin-bottom: 16px; }
.hero p.sub {
  color: var(--ink-soft);
  font-size: 0.96rem;
  max-width: 460px;
  margin: 0 auto;
}

/* ---------- カード群 ---------- */
.cards {
  display: grid;
  gap: 14px;
}
.cards--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 560px) { .cards--2 { grid-template-columns: 1fr; } }

.card-link {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid var(--ledger-line);
  border-radius: 4px;
  padding: 18px 20px;
  box-shadow: 0 8px 20px -14px rgba(43, 42, 40, 0.3);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.card-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -14px rgba(43, 42, 40, 0.4);
}
.card-tag {
  display: inline-block;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--navy);
  border: 1px solid var(--navy);
  border-radius: 20px;
  padding: 2px 10px;
  margin-bottom: 8px;
}
.card-tag--care { color: var(--stamp-green); border-color: var(--stamp-green); }
.card-tag--money { color: var(--gold-ink); border-color: var(--gold); }
.card-title {
  font-family: var(--serif);
  font-size: 1.06rem;
  font-weight: 600;
  margin: 0 0 6px;
  line-height: 1.55;
}
.card-desc {
  font-size: 0.84rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- 記事ページ本文 ---------- */
article.post {
  background: var(--paper-deep);
  border: 1px solid var(--ledger-line);
  border-radius: 4px;
  padding: 34px 30px;
  box-shadow: 0 12px 30px -18px rgba(43, 42, 40, 0.35);
}
@media (max-width: 480px) { article.post { padding: 26px 20px; } }

.post .lead {
  font-size: 0.98rem;
  color: var(--ink);
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin: 0 0 26px;
}

.post h2 {
  font-family: var(--serif);
  font-size: 1.14rem;
  font-weight: 600;
  margin: 34px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--ledger-line);
}
.post h2:first-of-type { margin-top: 8px; }
.post h3 {
  font-family: var(--serif);
  font-size: 1rem;
  margin: 22px 0 8px;
}
.post p { font-size: 0.92rem; margin: 0 0 14px; }
.post ul, .post ol { font-size: 0.92rem; margin: 0 0 16px; padding-left: 1.3em; }
.post li { margin-bottom: 6px; }
.post strong { font-weight: 700; }

/* ポイントまとめ */
.points {
  background: var(--paper-card);
  border: 1px solid var(--ledger-line);
  border-radius: 6px;
  padding: 16px 18px 16px 20px;
  margin: 0 0 28px;
}
.points .points-h {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 8px;
}
.points ul { margin: 0; padding-left: 1.2em; }
.points li { font-size: 0.88rem; margin-bottom: 4px; }

/* 表 */
.post .table-scroll { overflow-x: auto; margin: 0 0 18px; }
.post table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.86rem;
  background: var(--paper-card);
}
.post th, .post td {
  border: 1px solid var(--ledger-line);
  padding: 8px 10px;
  text-align: left;
}
.post th { background: rgba(47, 72, 88, 0.08); font-weight: 700; }

/* 注記ボックス */
.note {
  background: rgba(47, 72, 88, 0.06);
  border: 1px solid var(--ledger-line);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0 0 18px;
}

/* ---------- PR / 広告表示 ---------- */
.pr-banner {
  margin: 0 0 24px;
  padding: 9px 14px;
  background: rgba(176, 141, 87, 0.12);
  border: 1px solid rgba(176, 141, 87, 0.4);
  border-radius: 4px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: center;
}
.pr-banner a { color: var(--gold-ink); }

.callout {
  margin-top: 22px;
  padding: 14px 16px;
  background: rgba(176, 141, 87, 0.10);
  border: 1px solid rgba(176, 141, 87, 0.35);
  border-radius: 6px;
  font-size: 0.88rem;
}
.callout .rec-eyebrow {
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 4px;
}
.callout a { color: var(--gold-ink); text-decoration: none; font-weight: 700; }
.callout a:hover { text-decoration: underline; }

/* ---------- ツールへの導線 ---------- */
.tool-cta {
  display: inline-block;
  margin-top: 6px;
  padding: 11px 22px;
  background: var(--navy);
  color: var(--paper);
  text-decoration: none;
  border-radius: 3px;
  font-size: 0.88rem;
  font-family: var(--serif);
  letter-spacing: 0.06em;
}
.tool-cta:hover { background: var(--navy-deep); }

/* ---------- 関連記事 ---------- */
.related { margin-top: 40px; }
.related .section-label { margin-top: 0; }

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid var(--ledger-line);
  background: var(--paper-deep);
  margin-top: 60px;
}
.site-footer__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 30px 20px 40px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.9;
}
.site-footer__nav {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 0;
}
.site-footer__nav a {
  color: var(--navy);
  text-decoration: none;
  padding: 0 10px;
  border-right: 1px solid var(--ledger-line);
}
.site-footer__nav a:last-child { border-right: none; }
.site-footer__nav a:hover { text-decoration: underline; }
.site-footer small { display: block; margin-top: 12px; opacity: 0.8; }