@charset "UTF-8";
/* ==========================================================================
   敬天愛人フォーラム21  共通スタイル
   デザイン方針: B案「藍のエディトリアル」
   白地 × 藍(#1E3A5F) × 辛子(#C9A227)。読み物としての可読性を最優先。
   ========================================================================== */

:root {
  color-scheme: light;

  /* 配色 */
  --ai: #1e3a5f;          /* 藍。見出し・リンク・強調 */
  --ai-dark: #142944;     /* 藍の濃色。hover等 */
  --ai-pale: #f2f5f8;     /* 淡藍。セクション地 */
  --ai-mist: #e8eef5;     /* 淡藍の濃いめ。引用・囲み */
  --ink: #18242f;         /* 本文。純黒を避けた墨藍 */
  --sub: #41546a;         /* 補助テキスト */
  --faint: #8b99a9;       /* ラベル・注記 */
  --line: #dde3ea;        /* 罫線 */
  --karashi: #c9a227;     /* 辛子。アクセント */
  --karashi-pale: rgba(201, 162, 39, .3);
  --bg: #ffffff;

  /* タイポグラフィ */
  --serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  /* 余白 */
  --gut: clamp(1.15rem, 4vw, 2.5rem);
  --measure: 34em;        /* 本文の最適行長 */
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  font-feature-settings: "palt";
}

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

a { color: var(--ai); }
a:hover { color: var(--ai-dark); }

:focus-visible {
  outline: 2px solid var(--karashi);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ai); color: #fff; padding: .7rem 1.2rem;
  font-size: .85rem; text-decoration: none;
}
.skip:focus { left: 0; }

/* --------------------------------------------------------------- ヘッダー */
.site-head {
  border-bottom: 3px solid var(--ai);
  background: var(--bg);
}
.head-inner {
  max-width: 1080px; margin: 0 auto; padding: .85rem var(--gut);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { text-decoration: none; color: var(--ink); line-height: 1.35; }
.brand-main {
  display: block; font-family: var(--serif); font-weight: 900;
  font-size: 1.08rem; letter-spacing: .04em;
}
.brand-main em { font-style: normal; color: var(--ai); }
.brand-sub {
  display: block; font-size: .62rem; letter-spacing: .28em; color: var(--faint);
}
.site-nav { display: flex; gap: 1.3rem; align-items: center; flex-wrap: wrap; }
.site-nav a {
  font-size: .81rem; font-weight: 500; color: var(--sub); text-decoration: none;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--ai); }
.site-nav .nav-cta {
  background: var(--ai); color: #fff; padding: .42rem 1.05rem; border-radius: 2px;
  font-weight: 700;
}
.site-nav .nav-cta:hover { background: var(--ai-dark); color: #fff; }

.nav-toggle {
  display: none; appearance: none; background: none; border: 1px solid var(--line);
  border-radius: 2px; width: 2.6rem; height: 2.3rem; cursor: pointer; position: relative;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: ""; position: absolute; left: 50%; width: 1.15rem; height: 2px;
  background: var(--ink); transform: translateX(-50%);
}
.nav-toggle-bar { top: 50%; margin-top: -1px; }
.nav-toggle-bar::before { top: -6px; left: 0; transform: none; }
.nav-toggle-bar::after { top: 6px; left: 0; transform: none; }

/* ------------------------------------------------------------ パンくず */
.crumbs { border-bottom: 1px solid var(--line); background: var(--ai-pale); }
.crumbs-inner {
  max-width: 1080px; margin: 0 auto; padding: .5rem var(--gut);
  font-size: .73rem; color: var(--sub);
  display: flex; flex-wrap: wrap; gap: .4rem; align-items: center;
}
.crumbs a { color: var(--sub); text-decoration: none; }
.crumbs a:hover { color: var(--ai); text-decoration: underline; }
.crumbs .sep { color: var(--faint); }
.crumbs [aria-current] { color: var(--ink); font-weight: 700; }

/* ---------------------------------------------------------------- 記事 */
.article { max-width: 780px; margin: 0 auto; padding: 2.8rem var(--gut) 3.5rem; }

.eyebrow {
  display: inline-block; font-size: .68rem; letter-spacing: .22em; font-weight: 700;
  color: var(--ai); border: 1px solid var(--ai); padding: .22rem .8rem;
  margin-bottom: 1.2rem;
}

.article h1 {
  font-family: var(--serif); font-size: clamp(1.7rem, 4.4vw, 2.35rem);
  font-weight: 900; line-height: 1.5; letter-spacing: .02em;
  margin: 0 0 1.1rem; text-wrap: balance;
}
.article h1 .accent { color: var(--ai); }

/* リード = 冒頭の定義文。AI検索の引用単位になるため独立した見た目にする */
.lead {
  font-size: 1.02rem; line-height: 2.05; margin: 0 0 2.2rem;
  padding: 1.15rem 1.4rem; background: var(--ai-mist);
  border-left: 4px solid var(--ai);
}
.lead b { font-weight: 700; }
.lead p { margin: 0; }
.lead p + p { margin-top: .7rem; }

.article h2 {
  font-family: var(--serif); font-size: 1.42rem; font-weight: 900;
  letter-spacing: .03em; margin: 3rem 0 1rem;
  padding-bottom: .5rem; border-bottom: 2px solid var(--ink);
  text-wrap: balance;
}
.article h3 {
  font-size: 1.08rem; font-weight: 700; margin: 2.2rem 0 .7rem;
  color: var(--ai); letter-spacing: .02em;
}
.article p { margin: 0 0 1.35rem; max-width: var(--measure); }
.article > p:last-child { margin-bottom: 0; }

.article a { color: var(--ai); text-decoration-thickness: 1px; text-underline-offset: .2em; }

.article strong, .marker {
  font-weight: 700;
  background: linear-gradient(transparent 66%, var(--karashi-pale) 66%);
}

.article ul, .article ol { max-width: var(--measure); margin: 0 0 1.4rem; padding-left: 1.35em; }
.article li { margin: .35rem 0; }

/* 原文引用 */
.quote {
  margin: 1.6rem 0 1.8rem; padding: 1.3rem 1.5rem;
  background: var(--ai-pale); border-left: 3px solid var(--karashi);
}
.quote p {
  font-family: var(--serif); font-size: 1.04rem; line-height: 2.15;
  margin: 0 0 .6rem; max-width: none; letter-spacing: .03em;
}
.quote p:last-of-type { margin-bottom: 0; }
.quote cite {
  display: block; margin-top: .9rem; font-size: .76rem; color: var(--sub);
  font-style: normal; letter-spacing: .06em;
}
.quote cite a { color: var(--sub); }
.quote ruby rt { font-size: .5em; color: var(--sub); font-family: var(--sans); }

/* 用語解説の定義リスト */
.terms { margin: 1.4rem 0 2rem; border-top: 1px solid var(--line); }
.terms dl { margin: 0; }
.terms div {
  display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem;
  padding: .75rem 0; border-bottom: 1px solid var(--line);
}
.terms dt {
  font-family: var(--serif); font-weight: 700; font-size: .97rem;
  color: var(--ai); letter-spacing: .04em;
}
.terms dd { margin: 0; font-size: .93rem; line-height: 1.85; }
.terms dd .yomi { color: var(--faint); font-size: .8rem; margin-left: .4em; }

/* 補足ボックス */
.note {
  margin: 1.6rem 0; padding: 1rem 1.3rem; border: 1px solid var(--line);
  border-left: 4px solid var(--karashi); font-size: .93rem;
}
.note p { margin: 0; max-width: none; }
.note p + p { margin-top: .6rem; }
.note .note-label {
  display: block; font-size: .7rem; letter-spacing: .16em; font-weight: 700;
  color: var(--karashi); margin-bottom: .3rem;
}

/* FAQ */
.faq { margin: 2rem 0 0; }
.faq-item { border-bottom: 1px solid var(--line); padding: 1.15rem 0; }
.faq-q {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 700;
  margin: 0 0 .5rem; max-width: none; display: flex; gap: .6rem;
}
.faq-q::before { content: "Q."; color: var(--karashi); font-weight: 900; }
.faq-a { margin: 0; font-size: .95rem; color: var(--sub); max-width: none; }

/* 関連ページ */
.related { margin-top: 3rem; border-top: 2px solid var(--ink); padding-top: 1.2rem; }
.related h2 {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 900;
  margin: 0 0 .8rem; border: none; padding: 0;
}
.related ul { list-style: none; padding: 0; margin: 0; max-width: none; }
.related li { border-bottom: 1px solid var(--line); }
.related li:last-child { border-bottom: none; }
.related a {
  display: block; padding: .8rem 0; text-decoration: none; color: var(--ink);
  font-size: .95rem;
}
.related a:hover { color: var(--ai); }
.related a .desc { display: block; font-size: .78rem; color: var(--faint); margin-top: .15rem; }

/* CTA帯 */
.cta-band {
  background: var(--ai); color: #fff; margin-top: 3.5rem;
}
.cta-inner {
  max-width: 1080px; margin: 0 auto; padding: 2.4rem var(--gut);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1.3rem;
}
.cta-band .t {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 900; margin: 0 0 .3rem;
}
.cta-band p { margin: 0; font-size: .85rem; color: #b9c6d6; max-width: none; }
.cta-band .btn {
  background: var(--karashi); color: #18242f; font-weight: 700; font-size: .88rem;
  padding: .85rem 2.2rem; border-radius: 2px; text-decoration: none; white-space: nowrap;
}
.cta-band .btn:hover { background: #d9b43a; color: #18242f; }

/* ------------------------------------------------------------------ トップ */
.hero {
  background: var(--ai); color: #fff; padding: 4rem var(--gut) 3.4rem; text-align: center;
}
.hero .kicker { font-size: .75rem; letter-spacing: .3em; color: #b9c6d6; margin-bottom: 1.2rem; }
.hero h1 {
  font-family: var(--serif); font-size: clamp(1.9rem, 5vw, 2.7rem); font-weight: 900;
  margin: 0 0 1rem; line-height: 1.55; text-wrap: balance;
}
.hero h1 .accent { color: var(--karashi); }
.hero p.sub { font-size: .95rem; color: #d3dce6; max-width: 34em; margin: 0 auto; line-height: 2; }

.news-band { background: var(--ai-pale); border-bottom: 1px solid var(--line); }
.news-inner { max-width: 780px; margin: 0 auto; padding: 2rem var(--gut); }
.news-inner .tag {
  display: inline-block; font-size: .68rem; letter-spacing: .18em; font-weight: 700;
  background: var(--karashi); color: #241d05; padding: .2rem .7rem; margin-bottom: .8rem;
}
.news-inner h2 { font-family: var(--serif); font-size: 1.15rem; font-weight: 900; margin: 0 0 .8rem; border: none; padding: 0; }
.news-inner p { font-size: .88rem; color: var(--sub); margin: 0 0 .9rem; max-width: none; }

.cat-grid {
  max-width: 1080px; margin: 0 auto; padding: 3rem var(--gut);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.cat-card { background: var(--bg); padding: 1.8rem 1.6rem; text-decoration: none; color: var(--ink); }
.cat-card .n { font-family: var(--serif); font-weight: 900; color: var(--karashi); font-size: .78rem; letter-spacing: .12em; }
.cat-card h3 { font-family: var(--serif); font-size: 1.1rem; font-weight: 900; margin: .5rem 0 .5rem; }
.cat-card p { font-size: .82rem; color: var(--sub); margin: 0; }
.cat-card:hover h3 { color: var(--ai); }

/* --------------------------------------------------------- 遺訓一覧・ページャー */
.ikun-list { list-style: none; padding: 0; margin: 1.6rem 0 0; max-width: none; counter-reset: none; }
.ikun-list li { border-bottom: 1px solid var(--line); margin: 0; }
.ikun-list a {
  display: flex; gap: 1rem; align-items: baseline; padding: .8rem 0;
  text-decoration: none; color: var(--ink);
}
.ikun-list a:hover { color: var(--ai); }
.ikun-list a:hover .ikun-no { color: var(--ai); }
.ikun-no {
  font-family: var(--serif); font-weight: 900; color: var(--karashi);
  font-size: .92rem; white-space: nowrap; flex-shrink: 0; width: 4.6rem;
}
.ikun-excerpt { font-size: .9rem; color: var(--sub); }

.ikun-pager {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
  font-size: .85rem;
}
.ikun-pager a { text-decoration: none; color: var(--ai); font-weight: 500; white-space: nowrap; }
.ikun-pager a:hover { text-decoration: underline; }
.ikun-pager .idx { color: var(--sub); font-weight: 400; }
@media (max-width: 480px) {
  .ikun-pager { font-size: .78rem; }
  .ikun-list a { flex-direction: column; gap: .15rem; }
  .ikun-no { width: auto; }
}

/* ------------------------------------------------------------------ 写真 */
.lead-photo { margin: -0.4rem 0 2rem; }
.lead-photo img { width: 100%; border: 1px solid var(--line); }
.lead-photo figcaption { font-size: .76rem; color: var(--faint); margin-top: .5rem; }

.gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .9rem;
  margin: 1.8rem 0 2.2rem;
}
.gallery figure { margin: 0; }
.gallery img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--line);
  background: var(--ai-pale);
}
.gallery figcaption { font-size: .72rem; color: var(--faint); margin-top: .4rem; }
.gallery.wide img { aspect-ratio: 3/2; }

/* -------------------------------------------------------------------- フォーム */
.form-box {
  margin: 1.8rem 0 2.4rem; padding: 1.6rem 1.6rem 1.8rem; background: var(--ai-pale);
  border: 1px solid var(--line); max-width: var(--measure);
}
.form-field { margin: 0 0 1.1rem; }
.form-field label {
  display: block; font-size: .82rem; font-weight: 700; margin-bottom: .35rem; color: var(--ink);
}
.form-field .req { color: var(--karashi); margin-left: .3em; font-weight: 700; }
.form-field input, .form-field textarea {
  width: 100%; font: inherit; font-size: .95rem; padding: .6rem .8rem;
  border: 1px solid var(--line); border-radius: 2px; background: var(--bg); color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus {
  outline: 2px solid var(--ai); outline-offset: 1px; border-color: var(--ai);
}
.form-field textarea { min-height: 7rem; resize: vertical; }
.form-submit {
  appearance: none; border: none; background: var(--ai); color: #fff;
  font-weight: 700; font-size: .9rem; padding: .8rem 2.4rem; border-radius: 2px; cursor: pointer;
}
.form-submit:hover { background: var(--ai-dark); }
.form-note { font-size: .78rem; color: var(--faint); margin-top: 1rem; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-result {
  margin-top: 1rem; padding: .7rem 1rem; font-size: .85rem; font-weight: 700;
  background: #e4f3e9; color: #1e6b3a; border: 1px solid #bfe3cc;
}
.form-result.is-error { background: #fbe9e7; color: #9a3324; border-color: #f0c4bc; }
.form-submit:disabled { opacity: .6; cursor: wait; }

.bank-box {
  border: 1px solid var(--line); border-left: 4px solid var(--ai); padding: 1rem 1.3rem;
  margin: 1.4rem 0 2rem; font-size: .9rem; max-width: var(--measure);
}
.bank-box dl { margin: 0; display: grid; grid-template-columns: 5.5rem 1fr; gap: .4rem 1rem; }
.bank-box dt { color: var(--sub); }
.bank-box dd { margin: 0; font-weight: 700; }

.rules { counter-reset: none; }
.rules h3 { border-top: 1px solid var(--line); padding-top: 1.4rem; }

/* -------------------------------------------------------------- フッター */
.site-foot { background: var(--ai-pale); border-top: 1px solid var(--line); }
.foot-inner {
  max-width: 1080px; margin: 0 auto; padding: 2.2rem var(--gut) 1.4rem;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 2rem;
}
.foot-name {
  font-family: var(--serif); font-weight: 900; font-size: 1rem; margin: 0 0 .4rem;
}
.foot-addr { margin: 0; font-size: .8rem; color: var(--sub); line-height: 1.9; }
.foot-addr a { color: var(--sub); }
.foot-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .3rem 1.5rem; }
.foot-nav a { font-size: .81rem; color: var(--sub); text-decoration: none; }
.foot-nav a:hover { color: var(--ai); text-decoration: underline; }
.copy {
  max-width: 1080px; margin: 0 auto; padding: .9rem var(--gut) 1.6rem;
  font-size: .72rem; color: var(--faint);
}

/* ------------------------------------------------------------- レスポンシブ */
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-bottom: 3px solid var(--ai);
    flex-direction: column; align-items: stretch; gap: 0; padding: .5rem var(--gut) 1rem;
    z-index: 20;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .75rem 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
  .site-nav .nav-cta { margin-top: .7rem; text-align: center; border-bottom: none; }
  .head-inner { position: relative; }
  .foot-inner { grid-template-columns: 1fr; gap: 1.4rem; }
}

@media (max-width: 480px) {
  body { font-size: 15.5px; }
  .terms div { grid-template-columns: 1fr; gap: .15rem; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media print {
  .site-nav, .nav-toggle, .cta-band, .skip { display: none; }
  body { font-size: 11pt; }
}