/* ============================================================
   監査法人向けIT支援サービス 専用CSS
   スコープ: #audit-it-support 配下に統一
   プレフィックス: aud-
   テーマ: ホワイト基調ライトテーマ
   ============================================================ */

/* ---- CSS変数・ベースリセット ---- */
#audit-it-support {
  --aud-navy:      #0d2b5c;
  --aud-navy-mid:  #1a4080;
  --aud-accent:    #1a73e8;
  --aud-accent-lt: #e8f0fe;
  --aud-text:      #1a1a2e;
  --aud-muted:     #666;
  --aud-bg:        #f8f9fc;
  --aud-white:     #ffffff;
  --aud-border:    #e0e6f0;
  --aud-success:   #00875a;
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: #1a1a2e;
  background: #f8f9fc;
  width: 100%;
  overflow-x: hidden;
}

#audit-it-support *,
#audit-it-support *::before,
#audit-it-support *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---- 共通レイアウト ---- */
#audit-it-support .aud-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
}

#audit-it-support .aud-section-title {
  text-align: center;
  margin-bottom: 56px;
}

#audit-it-support .aud-section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #1a73e8;
  text-transform: uppercase;
  border-bottom: 2px solid #1a73e8;
  padding-bottom: 4px;
  margin-bottom: 16px;
}

#audit-it-support .aud-section-title h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: #0d2b5c;
  line-height: 1.4;
}

#audit-it-support .aud-section-title p {
  margin-top: 16px;
  color: #666;
  font-size: 1rem;
}

/* ============================================================
   ① ヒーローセクション
   ============================================================ */
#audit-it-support .aud-hero {
  background: linear-gradient(135deg, #0d2b5c 0%, #1a4080 60%, #2356b0 100%);
  color: #ffffff;
  padding: 100px 24px;
  text-align: center;
  width: 100%;
  position: relative;
  overflow: hidden;
}

#audit-it-support .aud-hero::before,
#audit-it-support .aud-hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  background: #ffffff;
  pointer-events: none;
}

#audit-it-support .aud-hero::before {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -150px;
}

#audit-it-support .aud-hero::after {
  width: 400px;
  height: 400px;
  bottom: -180px;
  left: -100px;
}

#audit-it-support .aud-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

#audit-it-support .aud-hero-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 18px;
  border-radius: 20px;
  margin-bottom: 28px;
}

#audit-it-support .aud-hero h1 {
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  color: #ffffff;
  text-align: center;
}

#audit-it-support .aud-hero h1 span {
  color: #7ec1f7;
}

#audit-it-support .aud-hero-sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 40px;
  text-align: center;
}

#audit-it-support .aud-hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

#audit-it-support .aud-btn-primary {
  display: inline-block;
  background: #1a73e8;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 40px;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  letter-spacing: 0.05em;
}

#audit-it-support .aud-btn-primary:hover {
  background: #1557b5;
  transform: translateY(-2px);
  color: #ffffff;
}

#audit-it-support .aud-btn-secondary {
  display: inline-block;
  background: transparent;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 40px;
  border-radius: 4px;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.6);
  transition: background 0.2s, color 0.2s, transform 0.2s;
  letter-spacing: 0.05em;
}

#audit-it-support .aud-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  color: #ffffff;
}

/* ============================================================
   ② 課題セクション
   ============================================================ */
#audit-it-support .aud-problems {
  padding: 96px 0;
  background: #ffffff;
  width: 100%;
}

#audit-it-support .aud-problems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

#audit-it-support .aud-problem-card {
  background: #f8f9fc;
  border: 1px solid #e0e6f0;
  border-left: 4px solid #1a73e8;
  border-radius: 8px;
  padding: 28px 24px;
  transition: box-shadow 0.2s;
}

#audit-it-support .aud-problem-card:hover {
  box-shadow: 0 4px 16px rgba(26, 64, 128, 0.1);
}

#audit-it-support .aud-problem-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #0d2b5c;
  margin-bottom: 10px;
}

#audit-it-support .aud-problem-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.7;
}

/* ============================================================
   ③ サービス概要セクション
   ============================================================ */
#audit-it-support .aud-services {
  padding: 96px 0;
  background: #f8f9fc;
  width: 100%;
}

#audit-it-support .aud-service-pillars {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

#audit-it-support .aud-pillar {
  background: #ffffff;
  border: 1px solid #e0e6f0;
  border-radius: 12px;
  padding: 40px;
  transition: box-shadow 0.2s;
}

#audit-it-support .aud-pillar:hover {
  box-shadow: 0 6px 24px rgba(26, 64, 128, 0.1);
}

#audit-it-support .aud-pillar-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

#audit-it-support .aud-pillar-num {
  font-size: 2rem;
  font-weight: 800;
  color: #1a73e8;
  line-height: 1;
  min-width: 48px;
  opacity: 0.35;
}

#audit-it-support .aud-pillar-head h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0d2b5c;
}

#audit-it-support .aud-pillar-lead {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 24px;
  padding-left: 64px;
}

#audit-it-support .aud-pillar-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-left: 64px;
}

#audit-it-support .aud-pillar-item {
  background: #e8f0fe;
  border-radius: 8px;
  padding: 20px 18px;
}

#audit-it-support .aud-pillar-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #1a73e8;
  margin-bottom: 8px;
}

#audit-it-support .aud-pillar-item p {
  font-size: 0.82rem;
  color: #555;
  line-height: 1.6;
}

/* ============================================================
   ④ 導入事例セクション
   ============================================================ */
#audit-it-support .aud-results {
  padding: 96px 0;
  background: #0d2b5c;
  color: #ffffff;
  width: 100%;
}

#audit-it-support .aud-results .aud-section-title h2 {
  color: #ffffff;
}

#audit-it-support .aud-results .aud-section-title p {
  color: rgba(255, 255, 255, 0.6);
}

#audit-it-support .aud-results .aud-section-label {
  color: #7ec1f7;
  border-bottom-color: #7ec1f7;
}

/* --- 数値ハイライト --- */
#audit-it-support .aud-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

#audit-it-support .aud-metric {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  transition: background 0.2s;
}

#audit-it-support .aud-metric:hover {
  background: rgba(255, 255, 255, 0.12);
}

#audit-it-support .aud-metric-num {
  font-size: 3rem;
  font-weight: 800;
  color: #7ec1f7;
  line-height: 1;
  margin-bottom: 8px;
}

#audit-it-support .aud-metric-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 4px;
}

#audit-it-support .aud-metric-desc {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
}

/* --- 課題と変化 2カラム --- */
#audit-it-support .aud-common-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

#audit-it-support .aud-common-col {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 28px 28px 24px;
}

#audit-it-support .aud-common-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: none;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

#audit-it-support .aud-common-before {
  color: rgba(255, 255, 255, 0.5);
}

#audit-it-support .aud-common-after {
  color: #7ec1f7;
}

/* 共通リスト（ネイビー背景向け色調整） */
#audit-it-support .aud-common-col .aud-case-list li {
  color: rgba(255, 255, 255, 0.75);
}

#audit-it-support .aud-common-col .aud-case-list li::before {
  color: rgba(255, 255, 255, 0.35);
}

#audit-it-support .aud-common-col .aud-list-result li {
  color: rgba(255, 255, 255, 0.9);
}

#audit-it-support .aud-common-col .aud-list-result li::before {
  color: #7ec1f7;
}

#audit-it-support .aud-common-col .aud-list-result strong {
  color: #7ec1f7;
}

/* --- ご導入実績バッジ --- */
#audit-it-support .aud-refs {
  margin-bottom: 40px;
  text-align: center;
}

#audit-it-support .aud-refs-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  margin-bottom: 14px;
}

#audit-it-support .aud-refs-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

#audit-it-support .aud-ref {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 14px 18px;
}

#audit-it-support .aud-ref-main {
  display: flex;
  align-items: center;
  gap: 8px;
}

#audit-it-support .aud-ref-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #7ec1f7;
  text-transform: uppercase;
  white-space: nowrap;
}

#audit-it-support .aud-ref-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

#audit-it-support .aud-ref-type {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  padding-left: 0;
  border-left: none;
}

/* --- お客様の声 --- */
#audit-it-support .aud-voice {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 4px solid #7ec1f7;
  border-radius: 0 10px 10px 0;
  padding: 32px 40px;
  margin: 0;
  font-style: normal;
}

#audit-it-support .aud-voice p {
  font-size: 1rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 16px;
}

#audit-it-support .aud-voice cite {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  text-align: right;
  font-style: normal;
}

/* ============================================================
   ⑤ 導入ステップセクション
   ============================================================ */
#audit-it-support .aud-steps {
  padding: 96px 0;
  background: #ffffff;
  width: 100%;
}

#audit-it-support .aud-steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}

#audit-it-support .aud-steps-list::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 16px);
  width: calc(75% - 32px);
  height: 2px;
  background: #1a73e8;
  z-index: 0;
}

#audit-it-support .aud-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 8px;
  position: relative;
  z-index: 1;
}

#audit-it-support .aud-step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #1a73e8;
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.35);
  position: relative;
  z-index: 1;
}

#audit-it-support .aud-step-body h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #0d2b5c;
  margin-bottom: 10px;
}

#audit-it-support .aud-step-body p {
  font-size: 0.82rem;
  color: #666;
  line-height: 1.6;
}

/* ============================================================
   ⑥ CTAセクション
   ============================================================ */
#audit-it-support .aud-cta {
  padding: 96px 0;
  background: linear-gradient(135deg, #e8f0fe 0%, #f8f9fc 100%);
  text-align: center;
  width: 100%;
}

#audit-it-support .aud-cta h2 {
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 700;
  color: #0d2b5c;
  margin-bottom: 16px;
  text-align: center;
}

#audit-it-support .aud-cta-lead {
  font-size: 1rem;
  color: #666;
  margin-bottom: 40px;
  line-height: 1.8;
  text-align: center;
}

#audit-it-support .aud-cta-note {
  margin-top: 24px;
  font-size: 0.82rem;
  color: #666;
}

#audit-it-support .aud-cta-note ul {
  list-style: none;
  display: inline-flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0;
}

#audit-it-support .aud-cta-note li::before {
  content: '✓ ';
  color: #00875a;
  font-weight: 700;
}

#audit-it-support .aud-nav {
  margin-top: 56px;
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

#audit-it-support .aud-nav a {
  color: #1a73e8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

#audit-it-support .aud-nav a:hover {
  opacity: 0.7;
}

/* ============================================================
   ④-b 導入事例カード（aud-case）
   ============================================================ */

/* 事例カード全体 */
#audit-it-support .aud-case {
  background: #ffffff;
  border: 1px solid #e0e6f0;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
  transition: box-shadow 0.2s;
}

#audit-it-support .aud-case:last-child {
  margin-bottom: 0;
}

#audit-it-support .aud-case:hover {
  box-shadow: 0 6px 24px rgba(13, 43, 92, 0.1);
}

/* 事例カードのヘッダー */
#audit-it-support .aud-case-header {
  background: #0d2b5c;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}

#audit-it-support .aud-case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #7ec1f7;
  border: 1px solid rgba(126, 193, 247, 0.5);
  padding: 4px 12px;
  border-radius: 20px;
  flex-shrink: 0;
}

#audit-it-support .aud-case-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#audit-it-support .aud-case-type {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(126, 193, 247, 0.15);
  color: #7ec1f7;
  border: 1px solid rgba(126, 193, 247, 0.4);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

/* 事例カードのボディ（2カラム） */
#audit-it-support .aud-case-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

#audit-it-support .aud-case-col {
  padding: 32px;
}

#audit-it-support .aud-case-col + .aud-case-col {
  border-left: 1px solid #e0e6f0;
  background: #f8f9fc;
}

/* 課題・変化ブロック */
#audit-it-support .aud-case-block {
  margin-bottom: 28px;
}

#audit-it-support .aud-case-block:last-child {
  margin-bottom: 0;
}

#audit-it-support .aud-case-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid;
}

#audit-it-support .aud-subtitle-before {
  color: #666;
  border-bottom-color: #ccc;
}

#audit-it-support .aud-subtitle-after {
  color: #0d2b5c;
  border-bottom-color: #1a73e8;
}

/* リスト */
#audit-it-support .aud-case-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#audit-it-support .aud-case-list li {
  font-size: 0.88rem;
  color: #444;
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

#audit-it-support .aud-case-list li::before {
  content: '・';
  position: absolute;
  left: 0;
  top: 0;
  color: #999;
}

/* 導入後リスト（強調） */
#audit-it-support .aud-list-result li {
  color: #0d2b5c;
}

#audit-it-support .aud-list-result li::before {
  content: '▶';
  font-size: 0.7em;
  color: #1a73e8;
  top: 3px;
}

#audit-it-support .aud-list-result li strong {
  color: #1a73e8;
  font-weight: 700;
}

/* 右カラム：引用 */
#audit-it-support .aud-case-quote {
  background: #ffffff;
  border-left: 4px solid #1a73e8;
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 0 0 20px;
  font-style: normal;
}

#audit-it-support .aud-case-quote p {
  font-size: 0.9rem;
  color: #333;
  line-height: 1.75;
  margin-bottom: 12px;
}

#audit-it-support .aud-case-quote cite {
  font-size: 0.8rem;
  color: #888;
  display: block;
  text-align: right;
  font-style: normal;
}

/* 右カラム：まとめテキスト */
#audit-it-support .aud-case-summary {
  font-size: 0.85rem;
  color: #555;
  line-height: 1.7;
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 768px) {
  #audit-it-support .aud-hero {
    padding: 70px 20px;
  }

  #audit-it-support .aud-inner {
    padding: 0 20px;
  }

  #audit-it-support .aud-problems-grid {
    grid-template-columns: 1fr;
  }

  #audit-it-support .aud-pillar {
    padding: 28px 20px;
  }

  #audit-it-support .aud-pillar-lead,
  #audit-it-support .aud-pillar-items {
    padding-left: 0;
  }

  #audit-it-support .aud-pillar-items {
    grid-template-columns: 1fr;
  }

  /* 導入事例セクション モバイル対応 */
  #audit-it-support .aud-metrics {
    grid-template-columns: 1fr;
  }

  #audit-it-support .aud-common-grid {
    grid-template-columns: 1fr;
  }

  #audit-it-support .aud-refs-list {
    grid-template-columns: 1fr;
  }

  #audit-it-support .aud-ref {
    flex-wrap: wrap;
  }

  #audit-it-support .aud-voice {
    padding: 24px 20px;
  }

  #audit-it-support .aud-steps-list {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  #audit-it-support .aud-steps-list::before {
    display: none;
  }

  #audit-it-support .aud-step {
    flex-direction: row;
    text-align: left;
    gap: 20px;
    align-items: flex-start;
  }

  #audit-it-support .aud-step-num {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    font-size: 1.2rem;
    margin-bottom: 0;
  }
}