/* =====================================================
   特別調査委員会 調査報告書ページ — investigation.css
   IR開示・株主向け
   ===================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-navy:        #0d2d4f;
  --c-blue-deep:   #1155a0;
  --c-blue:        #1a6fc4;
  --c-blue-light:  #5aaff0;
  --c-blue-pale:   #e8f2fb;
  --c-gold:        #c8931a;
  --c-gold-light:  #fde68a;

  --c-danger:      #c0392b;
  --c-danger-dark: #7f1d1d;
  --c-danger-bg:   #fff5f5;
  --c-danger-bd:   #fca5a5;
  --c-warn:        #d97706;
  --c-warn-bg:     #fffbeb;
  --c-warn-bd:     #fde68a;
  --c-ok:          #15803d;
  --c-ok-bg:       #f0fdf4;
  --c-ok-bd:       #bbf7d0;
  --c-neutral:     #475569;
  --c-neutral-bg:  #f8fafc;
  --c-neutral-bd:  #cbd5e1;

  --c-text:        #1a2e45;
  --c-text-2:      #3a5068;
  --c-text-3:      #6b8099;
  --c-border:      #d4e4f4;
  --c-bg:          #f4f8fd;
  --c-bg-alt:      #edf3fb;
  --c-white:       #ffffff;

  --f-sans:   'Noto Sans JP', sans-serif;
  --f-serif:  'Noto Serif JP', serif;

  --sh-sm:  0 2px 12px rgba(17,85,160,.08);
  --sh-md:  0 6px 28px rgba(17,85,160,.11);
  --sh-lg:  0 14px 48px rgba(17,85,160,.14);
  --sh-red: 0 6px 28px rgba(192,57,43,.12);

  --radius-sm: 8px;
  --radius:    16px;
  --radius-lg: 24px;
  --tr: .28s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--f-sans);
  background: var(--c-white);
  color: var(--c-text);
  line-height: 1.9;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: 60px;
}
.container { max-width: 800px; margin: 0 auto; padding: 0 24px; }


/* =====================================================
   HEADER
   ===================================================== */
.inv-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.98);
  border-bottom: 2px solid var(--c-navy);
  box-shadow: var(--sh-sm);
  height: 60px;
  display: flex; align-items: center;
}
.inv-header__inner {
  max-width: 800px; margin: 0 auto; padding: 0 24px;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.inv-header__logo-img { height: 32px; width: auto; display: block; }
.inv-header__nav {
  display: flex; align-items: center; gap: 4px;
  flex: 1; justify-content: center;
}
.inv-header__nav-link {
  font-size: 12px; font-weight: 600; color: var(--c-text-2);
  text-decoration: none; white-space: nowrap;
  padding: 5px 10px; border-radius: 99px;
  transition: background var(--tr), color var(--tr);
}
.inv-header__nav-link:hover { background: var(--c-bg); color: var(--c-blue); }
.inv-header__back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; color: var(--c-blue);
  text-decoration: none; white-space: nowrap;
  padding: 5px 12px; border-radius: 99px;
  border: 1px solid var(--c-border);
  transition: background var(--tr);
  flex-shrink: 0;
}
.inv-header__back:hover { background: var(--c-bg); }


/* =====================================================
   HERO
   ===================================================== */
.inv-hero {
  background: linear-gradient(160deg, #07111f 0%, #0d2040 55%, #14305a 100%);
  color: var(--c-white);
  padding: 56px 24px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.inv-hero::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(192,57,43,.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 80% 20%, rgba(255,255,255,.03) 0%, transparent 60%);
}
.inv-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .16em;
  color: rgba(253,230,138,.85); text-transform: uppercase;
  border: 1px solid rgba(253,230,138,.25);
  padding: 5px 16px; border-radius: 99px;
  margin-bottom: 20px;
  position: relative;
}
.inv-hero__title {
  font-family: var(--f-serif);
  font-size: clamp(1.5rem, 5vw, 2.3rem);
  font-weight: 700; line-height: 1.45; letter-spacing: .03em;
  position: relative;
  margin-bottom: 12px;
}
.inv-hero__title-sub {
  display: block; margin-top: 10px;
  font-size: clamp(1rem, 3.5vw, 1.25rem);
  font-weight: 400; color: rgba(255,255,255,.65);
  line-height: 1.7;
}
.inv-hero__date {
  margin-top: 20px;
  font-size: 13px; color: rgba(255,255,255,.45);
  letter-spacing: .06em;
  position: relative;
}


/* =====================================================
   セクション共通
   ===================================================== */
.inv-section { padding: 56px 0; }
.inv-section--alt  { background: var(--c-bg-alt); }
.inv-section--dark { background: #07111f; color: var(--c-white); }

.inv-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; margin-bottom: 10px;
  color: var(--c-blue);
}
.inv-label--danger { color: var(--c-danger); }
.inv-label--warn   { color: var(--c-warn); }
.inv-label--ok     { color: var(--c-ok); }
.inv-label--neutral { color: var(--c-neutral); }

.inv-title {
  font-family: var(--f-serif);
  font-size: clamp(1.35rem, 5vw, 1.9rem);
  font-weight: 700; line-height: 1.5;
  color: var(--c-navy); margin-bottom: 20px;
}
.inv-title--danger { color: var(--c-danger-dark); }
.inv-section--dark .inv-title { color: var(--c-white); }

.inv-lead {
  font-size: 16.5px; line-height: 1.95; color: var(--c-text-2);
  margin-bottom: 32px;
}


/* =====================================================
   リードセクション — 調査概要カード
   ===================================================== */
.inv-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.inv-overview-stat {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--sh-sm);
}
.inv-overview-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: .12em;
  color: var(--c-text-3); text-transform: uppercase;
  margin-bottom: 8px;
}
.inv-overview-stat__value {
  font-family: var(--f-serif);
  font-size: 1.5rem; font-weight: 700; color: var(--c-navy);
  line-height: 1.2;
}
.inv-overview-stat__sub {
  font-size: 13px; color: var(--c-text-3); margin-top: 4px;
}

/* 結論バナー */
.inv-conclusion-banner {
  background: linear-gradient(135deg, #0a1e38, #0f2d55);
  border-radius: var(--radius-lg);
  padding: 28px 28px;
  color: var(--c-white);
  border: 1px solid rgba(91,170,240,.18);
  box-shadow: var(--sh-lg);
  position: relative; overflow: hidden;
}
.inv-conclusion-banner::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-danger), #e74c3c, transparent);
}
.inv-conclusion-banner__head {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.inv-conclusion-banner__icon {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #9b1c1c, #c0392b);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--c-white);
  box-shadow: 0 4px 16px rgba(192,57,43,.40);
}
.inv-conclusion-banner__label {
  font-size: 11px; font-weight: 700; letter-spacing: .14em;
  color: rgba(253,230,138,.85); text-transform: uppercase; margin-bottom: 4px;
}
.inv-conclusion-banner__subtitle {
  font-size: 15px; font-weight: 600; color: rgba(255,255,255,.85);
}
.inv-conclusion-banner__text {
  font-size: 16px; line-height: 1.9; color: rgba(255,255,255,.82);
}
.inv-conclusion-banner__text strong { color: #fde68a; }


/* =====================================================
   ブロック1 — 立場カード
   ===================================================== */
.inv-position-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-md);
  overflow: hidden;
  margin-bottom: 24px;
}
.inv-position-card__head {
  background: linear-gradient(135deg, var(--c-navy), var(--c-blue-deep));
  padding: 20px 24px;
  display: flex; align-items: center; gap: 14px;
}
.inv-position-card__head-icon {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--c-gold-light);
}
.inv-position-card__head-title {
  font-size: 16px; font-weight: 700; color: var(--c-white); line-height: 1.35;
}
.inv-position-card__head-sub {
  font-size: 12px; color: rgba(255,255,255,.60); margin-top: 3px;
}
.inv-position-card__body {
  padding: 24px;
}
.inv-position-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-bg-alt);
  font-size: 16px; line-height: 1.8; color: var(--c-text);
}
.inv-position-item:last-child { border-bottom: none; padding-bottom: 0; }
.inv-position-item i { color: var(--c-blue); flex-shrink: 0; margin-top: 3px; font-size: 15px; }
.inv-position-item strong { color: var(--c-navy); }

/* コンプライアンス一体カード */
.inv-compliance-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--sh-red);
  border: 2px solid #f87171;
  margin-top: 24px;
}
.inv-compliance-card__img-wrap {
  background: #fff0f0;
  border-bottom: 1px solid #fca5a5;
  display: flex; justify-content: center; align-items: center;
  padding: 28px 24px;
}
.inv-compliance-card__img {
  max-width: 420px; width: 100%; height: auto; display: block;
}
.inv-compliance-card__quote {
  background: #fffafa;
  border-bottom: 1px solid #fca5a5;
  padding: 22px 28px;
}
.inv-compliance-card__quote-label {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--c-blue); text-transform: uppercase;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 7px;
}
.inv-compliance-card__quote-text {
  font-size: 16px; line-height: 1.9; color: var(--c-text);
  border-left: 4px solid var(--c-blue-deep);
  padding-left: 16px;
  font-style: italic;
}
.inv-compliance-card__quote-text strong { color: var(--c-navy); font-style: normal; }
.inv-compliance-card__alert {
  background: linear-gradient(135deg, #7f1d1d, #c0392b);
  padding: 20px 28px;
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid #f87171;
}
.inv-compliance-card__alert-icon {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,.20);
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; color: var(--c-white);
}
.inv-compliance-card__alert-text {
  font-family: var(--f-serif);
  font-size: 18px; font-weight: 700; color: var(--c-white);
  line-height: 1.6;
}
.inv-compliance-card__alert-text span {
  font-size: 15px; font-weight: 400; color: var(--c-danger-dark);
  display: block; margin-top: 6px;
  background: rgba(192,57,43,.08); padding: 4px 8px; border-radius: 4px;
  font-family: var(--f-sans);
}

/* 対比ボックス：ルールを定めた当人が */
.inv-contrast-quote {
  margin-top: 24px;
  background: linear-gradient(135deg, #fff5f5, #fff0f0);
  border: 2px solid var(--c-danger-bd);
  border-left: 5px solid var(--c-danger);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex; align-items: flex-start; gap: 14px;
}
.inv-contrast-quote__icon {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #9b1c1c, #c0392b);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--c-white);
}
.inv-contrast-quote__text {
  font-family: var(--f-serif);
  font-size: 17px; font-weight: 700; color: var(--c-danger-dark);
  line-height: 1.65;
}
.inv-contrast-quote__text em { font-style: normal; background: rgba(192,57,43,.10); padding: 1px 4px; border-radius: 3px; }

/* コンプライアンス方針引用 */
.inv-policy-quote {
  background: var(--c-bg);
  border-left: 4px solid var(--c-blue-deep);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 16px 0;
  font-size: 15.5px; line-height: 1.9; color: var(--c-text-2);
  font-style: italic;
}
.inv-policy-quote cite {
  display: block; margin-top: 10px;
  font-size: 12px; font-style: normal; color: var(--c-text-3);
}


/* =====================================================
   ブロック2 — 認定事実（中核）
   ===================================================== */

/* サブセクション見出し */
.inv-sub-heading {
  display: flex; align-items: center; gap: 12px;
  margin: 36px 0 16px;
}
.inv-sub-heading__num {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 900; color: var(--c-white);
  font-family: var(--f-serif);
}
.inv-sub-heading__num--danger { background: linear-gradient(135deg, #9b1c1c, #c0392b); }
.inv-sub-heading__num--warn   { background: linear-gradient(135deg, #92400e, #d97706); }
.inv-sub-heading__num--ok     { background: linear-gradient(135deg, #14532d, #15803d); }
.inv-sub-heading__text {
  font-family: var(--f-serif);
  font-size: 1.2rem; font-weight: 700; color: var(--c-navy);
  line-height: 1.4;
}

/* 金額テーブル */
.inv-amount-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  margin: 16px 0 24px;
  font-size: 16px;
}
.inv-amount-table thead th {
  background: linear-gradient(135deg, #0d2d4f, #1155a0);
  color: var(--c-white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
}
.inv-amount-table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
  line-height: 1.6;
}
.inv-amount-table tbody tr:last-child td { border-bottom: none; }
.inv-amount-table tbody tr:nth-child(odd) { background: var(--c-bg); }
.inv-amount-table tbody tr:nth-child(even) { background: var(--c-white); }
.inv-amount-table .td-amount {
  font-family: var(--f-serif);
  font-size: 1.15rem; font-weight: 700; color: var(--c-danger);
  white-space: nowrap;
  background: linear-gradient(135deg, #fff5f5, #fff0f0);
  border-left: 3px solid var(--c-danger);
  letter-spacing: .02em;
}
.inv-amount-table .td-count {
  color: var(--c-text-3); font-size: 14px;
}

/* 不正行為ダイアグラム（中央：虚偽申請 ＋ 周囲3つ） */
.inv-fraud-diagram {
  position: relative;
  background: linear-gradient(135deg, #fff5f5, #fff0f0);
  border: 2px solid #fca5a5;
  border-radius: var(--radius-lg);
  padding: 28px 20px 20px;
  margin-bottom: 24px;
  overflow: hidden;
}

/* SVG接続線（絶対配置・背面） */
.inv-fraud-diagram__lines {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* 上段（リゾート） */
.inv-fraud-diagram__satellite--top {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: 12px;
  position: relative; z-index: 1;
}

/* 下段（会食・ゴルフ） */
.inv-fraud-diagram__satellite--bottom {
  display: flex; flex-direction: column; align-items: center;
  margin-top: 12px;
  position: relative; z-index: 1;
}
.inv-fraud-diagram__sat-img-wrap--wide {
  width: 220px; height: 110px;
}

/* 中段（左・中央・右） */
.inv-fraud-diagram__middle {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  position: relative; z-index: 1;
}

/* 左右サテライト */
.inv-fraud-diagram__satellite--side {
  display: flex; flex-direction: column; align-items: center;
  flex: 0 0 auto;
}

/* サテライト共通 */
.inv-fraud-diagram__sat-img-wrap {
  width: 165px; height: 120px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-white);
  border: 1.5px solid #fca5a5;
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: 0 2px 10px rgba(192,57,43,.10);
}
.inv-fraud-diagram__sat-img {
  width: 100%; height: 100%; object-fit: contain;
}
.inv-fraud-diagram__sat-label {
  font-size: 12px; font-weight: 700; color: var(--c-danger-dark);
  text-align: center; margin-top: 7px; line-height: 1.5;
}

/* 中央メインアイコン */
.inv-fraud-diagram__center {
  display: flex; flex-direction: column; align-items: center;
  flex: 0 0 auto;
}
.inv-fraud-diagram__center-badge {
  background: linear-gradient(135deg, #9b1c1c, #c0392b);
  color: var(--c-white);
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  padding: 4px 16px; border-radius: 99px;
  margin-bottom: 8px;
  box-shadow: 0 2px 8px rgba(192,57,43,.30);
}
.inv-fraud-diagram__center-img {
  width: 210px; height: auto;
  filter: drop-shadow(0 4px 12px rgba(192,57,43,.20));
}
.inv-fraud-diagram__center-label {
  font-size: 12.5px; font-weight: 700; color: var(--c-danger);
  text-align: center; margin-top: 6px; line-height: 1.5;
}

/* 手口リスト */
.inv-method-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
  margin: 12px 0 20px;
}
.inv-method-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--c-white);
  border: 1px solid var(--c-danger-bd);
  border-left: 4px solid var(--c-danger);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 16px; line-height: 1.75; color: var(--c-text);
}
.inv-method-item i { color: var(--c-danger); flex-shrink: 0; margin-top: 3px; font-size: 15px; }
.inv-method-item strong { color: var(--c-navy); }

/* 自認カード（最重要） */
.inv-admission-card {
  background: linear-gradient(135deg, #fff5f5, #fff0f0);
  border: 2px solid #fca5a5;
  border-radius: var(--radius-lg);
  padding: 28px 28px;
  box-shadow: var(--sh-red);
  position: relative; overflow: hidden;
  margin: 24px 0;
}
.inv-admission-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #9b1c1c, #c0392b, #e74c3c);
}
.inv-admission-card__head {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.inv-admission-card__icon {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #9b1c1c, #c0392b);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--c-white);
  box-shadow: 0 4px 16px rgba(192,57,43,.35);
}
.inv-admission-card__label {
  font-size: 11px; font-weight: 700; letter-spacing: .14em;
  color: var(--c-danger); text-transform: uppercase; margin-bottom: 4px;
}
.inv-admission-card__subtitle {
  font-size: 16px; font-weight: 700; color: var(--c-danger-dark);
}
/* 吹き出しレイアウト（1アイコンから派生） */

/* 上部：アイコン固定エリア */
.inv-testimony-speaker {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: 0;
  position: relative;
  z-index: 1;
}
.inv-testimony-speaker__img {
  width: 175px; height: 175px;
  object-fit: contain;
  border-radius: 50%;
  background: #f8f0f0;
  padding: 8px;
  border: 2px solid #fca5a5;
  box-shadow: 0 4px 16px rgba(192,57,43,.18);
}
.inv-testimony-speaker__name {
  font-size: 15px; font-weight: 700; color: var(--c-danger-dark);
  margin-top: 8px; letter-spacing: .06em;
}
.inv-testimony-speaker__role {
  font-size: 13px; color: var(--c-text-3); margin-top: 3px;
}

/* 縦幹ライン */
.inv-testimony-stem {
  width: 2px;
  background: linear-gradient(to bottom, #fca5a5, #fecaca);
  margin: 0 auto;
  height: 24px;
}

/* 証言リスト全体 */
.inv-testimony-list {
  display: flex; flex-direction: column; gap: 0;
  margin-bottom: 16px;
  position: relative;
}
/* 左の縦ライン（各行をつなぐ） */
.inv-testimony-list::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 18px;
  width: 2px;
  background: linear-gradient(to bottom, #fca5a5 0%, #fecaca 80%, transparent 100%);
  z-index: 0;
}

/* 各行 */
.inv-testimony-row {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 0 0 20px 0;
  position: relative;
}

/* 左：枝の接続ドット */
.inv-testimony-row__dot {
  width: 38px; flex-shrink: 0;
  display: flex; flex-direction: column; align-items: center;
  padding-top: 14px;
  position: relative; z-index: 1;
}
.inv-testimony-row__dot-circle {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--c-danger);
  border: 2px solid var(--c-white);
  box-shadow: 0 0 0 2px #fca5a5;
  flex-shrink: 0;
}

/* 右：吹き出しエリア */
.inv-testimony-row__bubble-wrap {
  flex: 1; padding-top: 6px;
}
.inv-testimony-row__topic {
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--c-danger); text-transform: uppercase;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.inv-testimony-bubble {
  background: var(--c-white);
  border: 1.5px solid #fca5a5;
  border-radius: 4px 16px 16px 16px;
  padding: 14px 18px;
  font-size: 16px; line-height: 1.85; color: var(--c-text);
  position: relative;
  box-shadow: 0 2px 10px rgba(192,57,43,.08);
}
/* 吹き出しの三角 */
.inv-testimony-bubble::before {
  content: '';
  position: absolute;
  top: 10px; left: -9px;
  border-top: 8px solid transparent;
  border-right: 9px solid #fca5a5;
  border-bottom: 8px solid transparent;
}
.inv-testimony-bubble::after {
  content: '';
  position: absolute;
  top: 11px; left: -7px;
  border-top: 7px solid transparent;
  border-right: 8px solid var(--c-white);
  border-bottom: 7px solid transparent;
}
.inv-testimony-bubble strong { color: var(--c-danger-dark); }

/* 旧スタイル（後方互換） */
.inv-admission-quote {
  background: var(--c-white);
  border-radius: var(--radius);
  border: 1px solid #fca5a5;
  padding: 18px 20px;
  margin-bottom: 12px;
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 16px; line-height: 1.85; color: var(--c-text);
}
.inv-admission-quote i { color: var(--c-danger); flex-shrink: 0; margin-top: 3px; }
.inv-admission-quote strong { color: var(--c-danger-dark); }
.inv-admission-card__note {
  font-size: 14px; color: var(--c-danger-dark); line-height: 1.7;
  border-top: 1px solid #fca5a5; padding-top: 14px; margin-top: 4px;
}


/* =====================================================
   ブロック3 — 不認定・疑いどまり
   ===================================================== */
.inv-clear-card {
  background: var(--c-white);
  border: 2px solid var(--c-ok-bd);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  margin-bottom: 16px;
}
.inv-clear-card__head {
  background: linear-gradient(135deg, #14532d, #15803d);
  padding: 16px 22px;
  display: flex; align-items: center; gap: 12px;
}
.inv-clear-card__head-icon {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--c-white); flex-shrink: 0;
}
.inv-clear-card__head-title {
  font-size: 15.5px; font-weight: 700; color: var(--c-white); line-height: 1.35;
}
.inv-clear-card__body {
  padding: 18px 22px;
  font-size: 16px; line-height: 1.85; color: var(--c-text);
}
.inv-clear-card__body strong { color: var(--c-navy); }

.inv-partial-card {
  background: var(--c-white);
  border: 1px solid var(--c-neutral-bd);
  border-left: 4px solid var(--c-neutral);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 12px;
  font-size: 16px; line-height: 1.85; color: var(--c-text);
}
.inv-partial-card__label {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: var(--c-neutral); text-transform: uppercase;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 7px;
}
.inv-partial-card strong { color: var(--c-navy); }

.inv-fairness-note {
  background: linear-gradient(135deg, var(--c-bg), var(--c-bg-alt));
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-top: 24px;
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15.5px; line-height: 1.8; color: var(--c-text-2);
}
.inv-fairness-note i { color: var(--c-blue); flex-shrink: 0; margin-top: 3px; font-size: 18px; }
.inv-fairness-note strong { color: var(--c-navy); }


/* =====================================================
   ブロック4 — 発生原因
   ===================================================== */
.inv-cause-list {
  display: flex; flex-direction: column; gap: 14px;
}
.inv-cause-item {
  background: var(--c-white);
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-sm);
  display: flex; gap: 0; overflow: hidden;
}
.inv-cause-item__bar {
  width: 6px; flex-shrink: 0;
}
.inv-cause-item__bar--person  { background: linear-gradient(180deg, #9b1c1c, #c0392b); }
.inv-cause-item__bar--control { background: linear-gradient(180deg, #92400e, #d97706); }
.inv-cause-item__bar--op      { background: linear-gradient(180deg, #1155a0, #1a6fc4); }
.inv-cause-item__bar--audit   { background: linear-gradient(180deg, #14532d, #15803d); }

.inv-cause-item__inner {
  padding: 18px 20px; flex: 1;
}
.inv-cause-item__label {
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 6px;
  display: flex; align-items: center; gap: 7px;
}
.inv-cause-item__bar--person  ~ .inv-cause-item__inner .inv-cause-item__label { color: var(--c-danger); }
.inv-cause-item__bar--control ~ .inv-cause-item__inner .inv-cause-item__label { color: var(--c-warn); }
.inv-cause-item__bar--op      ~ .inv-cause-item__inner .inv-cause-item__label { color: var(--c-blue); }
.inv-cause-item__bar--audit   ~ .inv-cause-item__inner .inv-cause-item__label { color: var(--c-ok); }

.inv-cause-item__title {
  font-size: 16.5px; font-weight: 700; color: var(--c-navy);
  margin-bottom: 8px; line-height: 1.4;
}
.inv-cause-item__desc {
  font-size: 15.5px; line-height: 1.85; color: var(--c-text-2);
}
.inv-cause-item__desc strong { color: var(--c-navy); }


/* =====================================================
   小白川氏 調査結果カード
   ===================================================== */
.inv-kogawa-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--sh-sm);
  overflow: hidden;
  margin-bottom: 32px;
}
.inv-kogawa-card__head {
  background: linear-gradient(135deg, #1e3a5f, #1155a0);
  color: #fff;
  padding: 16px 24px;
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 700; letter-spacing: .04em;
}
.inv-kogawa-card__head i { font-size: 17px; opacity: .9; }
.inv-kogawa-card__body { padding: 22px 24px; display: flex; flex-direction: column; gap: 16px; }

.inv-kogawa-verdict {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #f0fdf4;
  border: 1px solid #86efac;
}
.inv-kogawa-verdict__icon {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #14532d, #15803d);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 15px;
}
.inv-kogawa-verdict__label {
  font-size: 12px; font-weight: 700; color: #15803d; letter-spacing: .08em; margin-bottom: 3px;
}
.inv-kogawa-verdict__text {
  font-size: 15px; font-weight: 700; color: #14532d; line-height: 1.6;
}

.inv-kogawa-conclusion {
  background: #fafafa;
  border-left: 4px solid #1155a0;
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
}
.inv-kogawa-conclusion__label {
  font-size: 12px; font-weight: 700; color: #1155a0; letter-spacing: .08em; margin-bottom: 6px;
}
.inv-kogawa-conclusion__text {
  font-size: 14.5px; line-height: 1.85; color: var(--c-text-2);
}

.inv-kogawa-detail {
  display: flex; flex-direction: column; gap: 10px;
}
.inv-kogawa-detail__row {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; line-height: 1.75; color: var(--c-text-2);
  padding: 10px 14px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid var(--c-border);
}
.inv-kogawa-detail__row i { color: #1155a0; margin-top: 2px; flex-shrink: 0; }
.inv-kogawa-detail__row strong { color: var(--c-navy); }

.inv-kogawa-finding {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px; line-height: 1.8; color: #92400e;
}
.inv-kogawa-finding strong { color: #78350f; }

/* =====================================================
   手口解説カード（案C）
   ===================================================== */
.inv-trick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}
.inv-trick-card {
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 12px;
  padding: 18px 16px 16px;
  box-shadow: var(--sh-sm);
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
  overflow: hidden;
}
.inv-trick-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
}
.inv-trick-card--lv1::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.inv-trick-card--lv2::before { background: linear-gradient(90deg, #f97316, #fb923c); }
.inv-trick-card--lv3::before { background: linear-gradient(90deg, #dc2626, #ef4444); }
.inv-trick-card--lv4::before { background: linear-gradient(90deg, #7f1d1d, #991b1b); }

.inv-trick-card__badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10.5px; font-weight: 800; letter-spacing: .1em;
  padding: 3px 10px; border-radius: 99px;
  width: fit-content;
}
.inv-trick-card--lv1 .inv-trick-card__badge { background: #fef3c7; color: #92400e; }
.inv-trick-card--lv2 .inv-trick-card__badge { background: #fff7ed; color: #c2410c; }
.inv-trick-card--lv3 .inv-trick-card__badge { background: #fee2e2; color: #b91c1c; }
.inv-trick-card--lv4 .inv-trick-card__badge { background: #fecaca; color: #7f1d1d; }

.inv-trick-card__icon {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.inv-trick-card--lv1 .inv-trick-card__icon { background: #fef3c7; color: #d97706; }
.inv-trick-card--lv2 .inv-trick-card__icon { background: #fff7ed; color: #ea580c; }
.inv-trick-card--lv3 .inv-trick-card__icon { background: #fee2e2; color: #dc2626; }
.inv-trick-card--lv4 .inv-trick-card__icon { background: #fecaca; color: #7f1d1d; }

.inv-trick-card__head {
  display: flex; align-items: center; gap: 10px;
}
.inv-trick-card__title {
  font-size: 14px; font-weight: 800; color: var(--c-navy);
  line-height: 1.4;
}
.inv-trick-card__desc {
  font-size: 13.5px; line-height: 1.8; color: var(--c-text-2);
}
.inv-trick-card__desc strong { color: var(--c-navy); }
.inv-trick-card__highlight {
  background: #fef9c3;
  border-left: 3px solid #f59e0b;
  border-radius: 0 6px 6px 0;
  padding: 6px 10px;
  font-size: 13px; font-weight: 700; color: #78350f;
  line-height: 1.6;
}
.inv-trick-card--lv3 .inv-trick-card__highlight,
.inv-trick-card--lv4 .inv-trick-card__highlight {
  background: #fff1f2;
  border-left-color: #f43f5e;
  color: #9f1239;
}

@media (max-width: 600px) {
  .inv-trick-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   α氏 動機：吹き出し＋ジャッジスタンプ
   ===================================================== */
.inv-motive-block {
  display: flex; flex-direction: column; gap: 20px;
  margin-top: 8px;
}

/* α氏の吹き出し */
.inv-motive-bubble-wrap {
  position: relative;
  display: flex; align-items: flex-start; gap: 14px;
}
.inv-motive-bubble-avatar {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #334155, #475569);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.inv-motive-bubble-inner {
  position: relative; flex: 1;
}
.inv-motive-bubble {
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  border-radius: 0 14px 14px 14px;
  padding: 14px 16px;
  font-size: 14.5px; line-height: 1.85; color: #334155;
  position: relative;
}
.inv-motive-bubble::before {
  content: '';
  position: absolute; top: 0; left: -10px;
  border-width: 0 10px 10px 0;
  border-style: solid;
  border-color: transparent #cbd5e1 transparent transparent;
}
.inv-motive-bubble::after {
  content: '';
  position: absolute; top: 1.5px; left: -7.5px;
  border-width: 0 8px 8px 0;
  border-style: solid;
  border-color: transparent #f1f5f9 transparent transparent;
}
.inv-motive-bubble__speaker {
  font-size: 11px; font-weight: 700; color: #64748b;
  letter-spacing: .08em; margin-bottom: 6px;
  display: flex; align-items: center; gap: 5px;
}

/* ジャッジスタンプ */
.inv-motive-stamp-wrap {
  position: relative;
  display: flex; justify-content: flex-end;
  margin-top: -6px; margin-right: 8px;
}
.inv-motive-stamp {
  position: relative;
  display: inline-block;
  border: 3px solid #c0392b;
  border-radius: 6px;
  padding: 8px 20px;
  color: #c0392b;
  font-size: 13px; font-weight: 900; letter-spacing: .12em;
  transform: rotate(-3deg);
  box-shadow: 2px 2px 0 rgba(192,57,43,.2);
  background: rgba(255,255,255,.95);
  max-width: 88%;
  text-align: center;
  line-height: 1.6;
}
.inv-motive-stamp::before {
  content: '';
  position: absolute; inset: 3px;
  border: 1.5px solid #c0392b;
  border-radius: 3px;
  opacity: .4;
  pointer-events: none;
}

/* 報告書の評価 */
.inv-motive-report {
  display: flex; align-items: flex-start; gap: 14px;
}
.inv-motive-report__icon {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #1155a0, #1a6fc4);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 16px;
}
.inv-motive-report__body {
  flex: 1;
  background: #eff6ff;
  border: 1.5px solid #93c5fd;
  border-radius: 8px;
  padding: 13px 16px;
  font-size: 14.5px; line-height: 1.85; color: #1e3a5f;
}
.inv-motive-report__label {
  font-size: 11px; font-weight: 700; color: #1155a0;
  letter-spacing: .08em; margin-bottom: 5px;
  display: flex; align-items: center; gap: 5px;
}

/* =====================================================
   ブロック5 — 再発防止
   ===================================================== */
.inv-prevention-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 28px;
}
.inv-prevention-item {
  background: var(--c-white);
  border: 1px solid var(--c-ok-bd);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex; align-items: flex-start; gap: 12px;
  box-shadow: var(--sh-sm);
}
.inv-prevention-item__icon {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #14532d, #15803d);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--c-white);
}
.inv-prevention-item__text {
  font-size: 15.5px; line-height: 1.75; color: var(--c-text);
  font-weight: 600;
}
.inv-prevention-item__sub {
  font-size: 12.5px; color: var(--c-text-3); font-weight: 400;
  margin-top: 3px; line-height: 1.6;
}

/* 影響限定バナー */
.inv-impact-note {
  background: linear-gradient(135deg, var(--c-ok-bg), #f0fdf4);
  border: 2px solid var(--c-ok-bd);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 28px;
}
.inv-impact-note i { color: var(--c-ok); font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.inv-impact-note__text { font-size: 16px; line-height: 1.85; color: var(--c-text); }
.inv-impact-note__text strong { color: var(--c-ok); }

/* =====================================================
   ブロック5 — ①②③チャプターブロック
   ===================================================== */

/* チャプターブロック外枠 */
.inv-chapter-block {
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
  background: var(--c-white);
}

/* ヘッダー帯 */
.inv-chapter-block__head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 26px;
  color: #fff;
}
.inv-chapter-block__head--problem { background: linear-gradient(135deg, #7f1d1d, #c0392b); }
.inv-chapter-block__head--cause   { background: linear-gradient(135deg, #78350f, #d97706); }
.inv-chapter-block__head--remedy  { background: linear-gradient(135deg, #14532d, #15803d); }

.inv-chapter-block__num {
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  opacity: .9;
  flex-shrink: 0;
  font-family: var(--f-serif);
}
.inv-chapter-block__label {
  font-size: 10.5px;
  letter-spacing: .1em;
  opacity: .75;
  margin-bottom: 4px;
}
.inv-chapter-block__title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
}

/* ボディ */
.inv-chapter-block__body {
  padding: 24px 26px 28px;
}
.inv-chapter-block__lead {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-text-2);
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--c-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid #94a3b8;
}

/* 各問題・原因・対策アイテム */
.inv-prob-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 10px;
}
.inv-prob-item:last-child { margin-bottom: 0; }
.inv-prob-item--neutral { background: #f1f5f9; border-color: #cbd5e1; }

.inv-prob-item__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}
.inv-prob-item__num {
  font-size: 12px;
  font-weight: 900;
  color: #fff;
  background: #1d4ed8;
  border-radius: 4px;
  padding: 2px 8px;
  flex-shrink: 0;
  letter-spacing: .04em;
}
.inv-prob-item__num--neutral {
  background: #64748b;
}
.inv-prob-item__title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.5;
}

/* 箇条書き */
.inv-prob-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.inv-prob-list li {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--c-text-2);
  padding-left: 16px;
  position: relative;
}
.inv-prob-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #3b82f6;
  font-size: 10px;
  line-height: 2.1;
}

/* 再発防止カテゴリ帯 */
.inv-remedy-category {
  margin-bottom: 20px;
}
.inv-remedy-category:last-child { margin-bottom: 0; }
.inv-remedy-category__head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 800;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.inv-remedy-category__head--peacetime {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}
.inv-remedy-category__head--crisis {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

/* レスポンシブ */
@media (max-width: 640px) {
  .inv-chapter-block__head { padding: 14px 18px; gap: 12px; }
  .inv-chapter-block__num  { font-size: 22px; }
  .inv-chapter-block__title { font-size: 15px; }
  .inv-chapter-block__body { padding: 16px 16px 20px; }
  .inv-prob-item { padding: 12px 14px; }
  .inv-prob-item__head { flex-wrap: wrap; }
}

/* =====================================================
   ブロック5 — 再発防止策への提言（追加）
   ===================================================== */
.inv-proposal-block {
  margin-top: 40px;
  border: 2px solid #1d4ed8;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-white);
}
.inv-proposal-block__header {
  background: linear-gradient(135deg, #1e3a8a, #1d4ed8);
  padding: 22px 28px;
  display: flex; align-items: center; gap: 16px;
  color: #fff;
}
.inv-proposal-block__header > i {
  font-size: 30px; flex-shrink: 0; opacity: .9;
}
.inv-proposal-block__label {
  font-size: 11px; letter-spacing: .12em; font-weight: 700;
  background: rgba(255,255,255,.2); border-radius: 3px;
  padding: 2px 8px; display: inline-block; margin-bottom: 5px;
  text-transform: uppercase;
}
.inv-proposal-block__title {
  font-size: 18px; font-weight: 700; line-height: 1.5;
  color: #fff; margin: 0;
}
.sp-only { display: none; }
@media (max-width: 600px) { .sp-only { display: inline; } }

/* カテゴリ帯 */
.inv-proposal-category {
  padding: 0 28px 28px;
  border-top: 1px solid #e2e8f0;
}
.inv-proposal-category:first-of-type { border-top: none; }
.inv-proposal-category__head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 0 14px;
  border-bottom: 2px dashed;
  margin-bottom: 18px;
}
.inv-proposal-category__head--peacetime {
  color: #15803d; border-bottom-color: #bbf7d0;
}
.inv-proposal-category__head--crisis {
  color: #b45309; border-bottom-color: #fde68a;
}
.inv-proposal-category__icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.inv-proposal-category__head--peacetime .inv-proposal-category__icon {
  background: linear-gradient(135deg, #14532d, #15803d); color: #fff;
}
.inv-proposal-category__head--crisis .inv-proposal-category__icon {
  background: linear-gradient(135deg, #92400e, #d97706); color: #fff;
}
.inv-proposal-category__name {
  font-size: 15.5px; font-weight: 700; line-height: 1.5;
}

/* 小項目 */
.inv-proposal-subitem {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 12px;
}
.inv-proposal-subitem:last-child { margin-bottom: 0; }
.inv-proposal-subitem__title {
  font-size: 14px; font-weight: 700; color: #1e3a8a;
  margin-bottom: 10px; display: flex; align-items: center; gap: 7px;
}
.inv-proposal-subitem__title i { font-size: 13px; color: #3b82f6; }

/* 箇条書き */
.inv-proposal-list {
  margin: 0; padding-left: 0; list-style: none;
  display: flex; flex-direction: column; gap: 7px;
}
.inv-proposal-list li {
  font-size: 14px; line-height: 1.8; color: var(--c-text);
  padding-left: 18px; position: relative;
}
.inv-proposal-list li::before {
  content: '▸';
  position: absolute; left: 0; top: 0;
  color: #3b82f6; font-size: 11px; line-height: 1.9;
}

/* レスポンシブ */
@media (max-width: 640px) {
  .inv-proposal-block__header { padding: 18px 20px; gap: 12px; }
  .inv-proposal-block__title { font-size: 15px; }
  .inv-proposal-category { padding: 0 16px 22px; }
  .inv-proposal-subitem { padding: 14px 14px; }
}

/* 注意書き */
.inv-disclaimer-note {
  font-size: 12px;
  color: #a0aec0;
  line-height: 1.75;
  margin-bottom: 28px;
  padding: 8px 14px;
  border-left: 2px solid #e2e8f0;
}

/* 出典 */
.inv-source {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-size: 13.5px; color: var(--c-text-3); line-height: 1.7;
  display: flex; align-items: flex-start; gap: 8px;
}
.inv-source i { color: var(--c-text-3); flex-shrink: 0; margin-top: 2px; }


/* =====================================================
   FOOTER
   ===================================================== */
.inv-footer {
  background: var(--c-navy); padding: 44px 24px 28px;
  color: rgba(255,255,255,.55);
}
.inv-footer__inner {
  max-width: 800px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap; margin-bottom: 20px;
}
.inv-footer__logo {
  height: 28px; width: auto; filter: brightness(0) invert(1); opacity: .80;
}
.inv-footer__note { font-size: 13.5px; line-height: 1.6; }
.inv-footer__copy {
  max-width: 800px; margin: 0 auto; font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.10); padding-top: 16px;
}


/* =====================================================
   フェードイン
   ===================================================== */
.fade-up {
  opacity: 0; transform: translateY(22px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }


/* =====================================================
   レスポンシブ
   ===================================================== */
@media (max-width: 640px) {
  .inv-overview         { grid-template-columns: 1fr 1fr; }
  .inv-prevention-grid  { grid-template-columns: 1fr; }
  .inv-header__nav      { display: none; }
  .inv-amount-table     { font-size: 14px; }
  .inv-amount-table thead th { padding: 10px 12px; }
  .inv-amount-table tbody td { padding: 10px 12px; }
  .inv-admission-card   { padding: 20px 18px; }
  .inv-testimony-speaker__img { width: 110px; height: 110px; }
  .inv-testimony-row { gap: 10px; }
  .inv-testimony-bubble { font-size: 14.5px; padding: 12px 14px; }
  .inv-fraud-diagram__sat-img-wrap { width: 115px; height: 85px; }
  .inv-fraud-diagram__center-img { width: 155px; }
  .inv-fraud-diagram__middle { gap: 6px; }
  .inv-fraud-diagram__sat-label { font-size: 11px; }
  .inv-fraud-diagram__center-label { font-size: 11px; }
  .inv-conclusion-banner { padding: 22px 18px; }
}
@media (max-width: 400px) {
  .inv-overview { grid-template-columns: 1fr; }
}