/* ============================================================
   株式会社イデオロギー — 事業個別ページ 共通スタイル
   使用ページ: business/*.html
   トーンは ceo.html / recruit.html と共通（ライトベージュ × ゴールド）
   ============================================================ */

:root {
  --bg: #f7f5f1;
  --bg-card: #fff;
  --bg-section: #fafaf8;
  --bg-deep: #0d0d10;
  --line: oklch(86% 0.005 80);
  --line-soft: oklch(92% 0.003 80);
  --text-hi: #0d0d10;
  --text-mid: oklch(38% 0.005 250);
  --text-low: oklch(55% 0.005 80);
  --gold: oklch(58% 0.10 75);
  --gold-high: oklch(50% 0.13 75);
  --gold-grad: linear-gradient(135deg, oklch(56% 0.12 80), oklch(46% 0.11 75));

  --font-en-disp: 'Italiana', 'Cormorant Upright', serif;
  --font-en-body: 'Inter', 'Noto Sans JP', sans-serif;
  --font-jp-disp: 'Noto Serif JP', serif;
  --font-jp-body: 'Noto Sans JP', sans-serif;

  --container: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-mid);
  font-family: var(--font-jp-body);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-high); text-decoration: none; }
a:hover { color: var(--gold); }
img { max-width: 100%; }

/* ─── ヘッダー ─── */
.bz-hdr {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 241, 0.88);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.bz-hdr-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.bz-brand { display: flex; align-items: center; gap: 12px; color: var(--text-hi); }
.bz-brand-mark { width: 36px; height: 36px; object-fit: contain; }
.bz-brand-name { display: flex; flex-direction: column; line-height: 1.35; }
.bz-brand-jp {
  font-family: var(--font-jp-disp);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-hi);
}
.bz-brand-en {
  font-family: var(--font-en-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.34em;
  color: var(--text-low);
}
.bz-back { font-size: 12px; letter-spacing: 0.16em; color: var(--text-low); }
.bz-back:hover { color: var(--gold-high); }

/* ─── パンくず ─── */
.bz-crumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px clamp(20px, 4vw, 48px) 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-low);
}
.bz-crumb a { color: var(--text-low); }
.bz-crumb a:hover { color: var(--gold-high); }
.bz-crumb span { margin: 0 8px; opacity: 0.5; }

/* ─── HERO ─── */
.bz-hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 64px) clamp(20px, 4vw, 48px) clamp(44px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.bz-hero-num {
  font-family: var(--font-en-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.36em;
  color: var(--gold-high);
  margin: 0 0 18px;
}
.bz-hero-title {
  font-family: var(--font-jp-disp);
  font-size: clamp(32px, 4.8vw, 52px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.08em;
  color: var(--text-hi);
  margin: 0;
}
.bz-hero-tag {
  display: block;
  font-family: var(--font-en-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--text-low);
  margin-top: 16px;
}
.bz-hero-rule { width: 64px; height: 1px; background: var(--gold-grad); margin: 26px 0; }
.bz-hero-catch {
  font-family: var(--font-jp-disp);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-hi);
  margin: 0 0 18px;
  line-height: 1.7;
}
.bz-hero-lead { font-size: 14.5px; line-height: 2.05; margin: 0; }

.bz-hero-visual { position: relative; }
.bz-hero-visual::after {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid var(--gold);
  opacity: 0.4;
  z-index: 0;
  pointer-events: none;
}
.bz-hero-visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--bg-card);
}
.bz-hero-visual.is-contain img {
  object-fit: contain;
  padding: 12%;
  background: transparent;
}

/* ─── セクション共通 ─── */
.bz-sec {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(52px, 6.5vw, 88px) clamp(20px, 4vw, 48px);
}
.bz-sec-alt { background: var(--bg-section); }
.bz-sec-alt > .bz-sec { padding-top: clamp(52px, 6.5vw, 88px); }
.bz-sec-num {
  font-family: var(--font-en-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--gold-high);
  margin: 0 0 14px;
}
.bz-sec-title {
  font-family: var(--font-jp-disp);
  font-size: clamp(21px, 2.9vw, 29px);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-hi);
  margin: 0 0 30px;
  line-height: 1.5;
}

/* ─── 本文 ─── */
.bz-prose p {
  font-size: 15px;
  line-height: 2.1;
  margin: 0 0 24px;
  max-width: 46em;
}
.bz-prose p:last-child { margin-bottom: 0; }
.bz-prose strong { font-weight: 600; color: var(--text-hi); }

/* ─── 数値 ─── */
.bz-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 40px;
}
.bz-stat { background: var(--bg-card); padding: 28px 24px; }
.bz-stat-k {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-low);
  margin: 0 0 10px;
}
.bz-stat-v {
  font-family: var(--font-jp-disp);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-hi);
  margin: 0;
  line-height: 1.3;
}

/* ─── 特徴リスト ─── */
.bz-points { display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); }
.bz-point {
  background: var(--bg-card);
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: clamp(14px, 3vw, 30px);
  padding: 30px clamp(22px, 3vw, 34px);
}
.bz-point-num {
  font-family: var(--font-en-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--gold-high);
  padding-top: 4px;
}
.bz-point-title {
  font-family: var(--font-jp-disp);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-hi);
  margin: 0 0 10px;
  line-height: 1.6;
}
.bz-point-body { margin: 0; font-size: 14px; line-height: 2; color: var(--text-mid); }

/* ─── 定義リスト（店舗情報など） ─── */
.bz-facts { border-top: 1px solid var(--line); margin: 0; }
.bz-fact {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}
.bz-fact dt {
  font-family: var(--font-jp-disp);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-hi);
  margin: 0;
}
.bz-fact dd { margin: 0; color: var(--text-mid); }

/* ─── ギャラリー ─── */
.bz-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.bz-gallery img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--bg-card);
}

/* ─── 関連ニュース ─── */
.bz-news { border-top: 1px solid var(--line); }
.bz-news-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px;
  align-items: baseline;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-hi);
  transition: background 0.3s ease;
}
.bz-news-item:hover { background: var(--bg-card); color: var(--text-hi); }
.bz-news-date {
  font-family: var(--font-en-body);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-high);
}
.bz-news-title { font-size: 14px; line-height: 1.85; }
.bz-news-arrow { color: var(--gold-high); font-size: 13px; }

/* ─── FAQ ─── */
.bz-faq { border-top: 1px solid var(--line); }
.bz-faq-item { border-bottom: 1px solid var(--line-soft); padding: 26px 4px; }
.bz-faq-q {
  font-family: var(--font-jp-disp);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-hi);
  margin: 0 0 12px;
  line-height: 1.7;
}
.bz-faq-q::before {
  content: "Q.";
  font-family: var(--font-en-body);
  color: var(--gold-high);
  margin-right: 10px;
  letter-spacing: 0.1em;
}
.bz-faq-a { margin: 0; font-size: 14px; line-height: 2; color: var(--text-mid); max-width: 48em; }

/* ─── 他の事業へ ─── */
.bz-others {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.bz-other {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--text-hi);
  font-family: var(--font-jp-disp);
  font-size: 14.5px;
  letter-spacing: 0.08em;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.bz-other:hover { border-color: var(--gold); transform: translateY(-2px); color: var(--text-hi); }
.bz-other-arrow { color: var(--gold-high); font-size: 12px; }

/* ─── CTA ─── */
.bz-cta {
  background: var(--bg-deep);
  color: #fff;
  text-align: center;
  padding: clamp(60px, 7.5vw, 96px) clamp(20px, 4vw, 48px);
}
.bz-cta-title {
  font-family: var(--font-jp-disp);
  font-size: clamp(20px, 2.9vw, 28px);
  font-weight: 500;
  letter-spacing: 0.12em;
  margin: 0 0 18px;
  color: #fff;
}
.bz-cta-lead {
  font-size: 14px;
  line-height: 2;
  color: oklch(78% 0.005 80);
  margin: 0 auto 36px;
  max-width: 34em;
}
.bz-cta-btns { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.bz-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 0 20px 0 32px;
  background: var(--gold-grad);
  color: #0d0d10;
  font-family: var(--font-jp-disp);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.16em;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.bz-btn:hover {
  color: #0d0d10;
  transform: translateY(-2px);
  box-shadow: 0 14px 34px oklch(58% 0.10 75 / 0.32);
}
.bz-btn-ghost {
  background: transparent;
  border: 1px solid oklch(70% 0.02 80 / 0.5);
  color: #fff;
}
.bz-btn-ghost:hover { color: #fff; border-color: var(--gold); box-shadow: none; }
.bz-btn-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(13, 13, 16, 0.12);
}
.bz-btn-ghost .bz-btn-arrow { background: rgba(255, 255, 255, 0.12); }

/* ─── フッター ─── */
.bz-ft {
  border-top: 1px solid var(--line);
  padding: 48px clamp(20px, 4vw, 48px);
  text-align: center;
  color: var(--text-low);
  font-size: 12px;
  letter-spacing: 0.2em;
  background: var(--bg-card);
}
.bz-ft a { color: var(--text-low); }
.bz-ft a:hover { color: var(--gold-high); }
.bz-ft-back {
  display: inline-block;
  margin-bottom: 24px;
  font-family: var(--font-en-body);
  letter-spacing: 0.32em;
}

/* ─── レスポンシブ ─── */
@media (max-width: 860px) {
  .bz-hero { grid-template-columns: 1fr; gap: 32px; }
  .bz-hero-visual { order: -1; }
  .bz-hero-visual::after { inset: 10px -10px -10px 10px; }
}
@media (max-width: 640px) {
  .bz-fact { grid-template-columns: 1fr; gap: 4px; }
  .bz-point { grid-template-columns: 1fr; gap: 8px; }
  .bz-news-item { grid-template-columns: 1fr auto; }
  .bz-news-date { grid-column: 1 / -1; }
  .bz-btn { width: 100%; max-width: 340px; justify-content: center; padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}