/* ============================================================
   焚き火会 下層ページ（白ベース・清潔）— テーマ変数で集中管理
   参考配色: Seline（warm stone canvas × cyan accent）
   ============================================================ */
:root {
  --canvas:        #fafaf9;
  --card:          #ffffff;
  --border:        #e8e6e5;
  --border-strong: #d6d3d1;
  --ash:           #a8a29e;
  --warm:          #78716c;
  --ink:           #0c0a09;
  --cyan:          #3ba6f1;
  --cyan-edge:     #3398e1;
  --wash:          #c1e1f7;
  --font-base: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont,
               "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --radius-pill: 9999px;
  --radius-card: 16px;
  --shadow-card: rgba(0, 0, 0, 0.05) 0px 4px 16px 0px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-base);
  font-size: 17px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}

.page { max-width: 720px; margin: 0 auto; padding: 60px 22px 72px; }
.page h1 {
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 0 0 24px;
  color: var(--ink);
}
.page h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 12px;
  color: var(--ink);
}
.page p, .page li { color: var(--warm); font-size: 16.5px; }
.page strong { color: var(--ink); font-weight: 600; }
.page a { color: var(--cyan-edge); text-decoration: underline; text-underline-offset: 2px; }

/* リード文（導入） */
.page .lead {
  font-size: 18px;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(59,166,241,0.06), rgba(59,166,241,0.02));
  border: 1px solid var(--border);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px 26px;
}

/* 登録CTA */
.page .cta { text-align: center; margin: 40px 0 8px; }
.page .cta a {
  display: inline-block;
  padding: 16px 34px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  background: var(--cyan);
  border: 1px solid var(--cyan-edge);
  border-radius: var(--radius-pill);
  text-decoration: none;
}
.page .cta a:hover { background: var(--cyan-edge); }

.page .back {
  display: inline-block;
  margin-top: 40px;
  color: var(--cyan-edge);
  text-decoration: none;
  font-weight: 500;
}
.page .back:hover { text-decoration: underline; }

/* 事務所フッター */
.page-office {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--ash);
  font-size: 13.5px;
  line-height: 1.9;
}
.page-office .name { color: var(--warm); font-weight: 600; }
.page-office a { color: var(--cyan-edge); text-decoration: none; }

@media (max-width: 480px) {
  .page { padding: 40px 18px 56px; }
  .page h1 { font-size: 25px; }
}

/* ===== 車座対話集会ページ ===== */
.kz-hero { margin: 8px 0 8px; border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--border); }
.kz-hero img { display: block; width: 100%; height: auto; }
.kz-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 8px 0; }
.kz-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.kz-caption { color: var(--ash); font-size: 13px; text-align: center; margin-top: 4px; }
.btn-disabled {
  display: inline-block; padding: 16px 34px; border-radius: var(--radius-pill);
  background: #edeceb; color: var(--ash); border: 1px solid var(--border);
  font-weight: 600; cursor: not-allowed;
}
@media (max-width: 480px) { .kz-gallery { gap: 6px; } }

/* 次の車座対話集会カード（日付・エリアを目立たせる） */
.kz-next {
  display: block; text-decoration: none; color: var(--ink);
  background: linear-gradient(180deg, rgba(232,98,42,0.07), rgba(232,98,42,0.02));
  border: 1px solid #f0d6c8; border-top: 3px solid #e8622a;
  border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  padding: 20px 22px;
}
.kz-next:hover { background: rgba(232,98,42,0.10); }
.kz-next-meta { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.kz-next-date { font-size: 26px; font-weight: 700; color: #c14f22; letter-spacing: -0.01em; }
.kz-next-area {
  font-size: 14px; font-weight: 600; color: #fff; background: #e8622a;
  border-radius: 9999px; padding: 3px 12px;
}
.kz-next-title { font-size: 19px; font-weight: 600; margin-top: 8px; color: var(--ink); }
.kz-next-place { font-size: 15px; color: var(--warm); margin-top: 2px; }
.kz-next-link { display: inline-block; margin-top: 12px; color: var(--cyan-edge); font-weight: 600; }
/* ============================================================
   共通サイトメニュー（PC=上部バー / スマホ=下部固定「下駄」）
   ============================================================ */
.sitenav {
  position: sticky; top: 0; z-index: 50;
  display: flex; gap: 2px; align-items: center;
  background: #ffffff; border-bottom: 1px solid #e8e6e5;
  padding: 8px 12px; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.sitenav a {
  white-space: nowrap; text-decoration: none; color: #55504a;
  font-family: "Inter","Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px;
}
.sitenav a:hover { background: rgba(232,98,42,.10); color: #0c0a09; }
.sitenav .sitenav-home { color: #e8622a; font-weight: 700; }
@media (max-width: 640px) {
  .sitenav {
    position: fixed; top: auto; bottom: 0; left: 0; right: 0;
    justify-content: space-around; gap: 0;
    border-top: 1px solid #e8e6e5; border-bottom: 0;
    padding: 5px 2px; box-shadow: 0 -2px 10px rgba(0,0,0,.07);
  }
  .sitenav a { flex: 1; text-align: center; font-size: 11px; padding: 6px 3px; border-radius: 6px; }
  body { padding-bottom: 58px; }
}