#page-hero {
    padding: 80px 40px 60px;
    background: #fff;
    position: relative; overflow: hidden;
    min-height: 320px;
    display: flex; align-items: center;
  }
  #page-hero::before {
    content: ""; position: absolute;
    top: 50%; right: 10%; transform: translateY(-50%);
    width: 280px; height: 280px; border-radius: 50%;
    background: radial-gradient(circle, var(--accent3) 0%, rgba(224,242,244,.4) 50%, transparent 80%); filter: blur(20px); z-index: 0;
    opacity: .55;
  }
  .page-hero-inner { max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; width: 100%; }
  .page-hero-stamp {
    position: absolute;
    right: 0; top: 50%; transform: translateY(-50%);
    font-size: clamp(80px, 13vw, 180px);
    font-weight: 900; color: var(--accent);
    opacity: .10; letter-spacing: -.04em;
    font-family: "Inter", "Helvetica Neue", sans-serif;
    line-height: 1; pointer-events: none; z-index: 1;
    white-space: nowrap;
  }
  .page-hero-eyebrow {
    display: inline-block;
    font-size: 13px; font-weight: 800; letter-spacing: .35em;
    color: var(--accent); margin-bottom: 28px;
    padding-bottom: 6px; border-bottom: 2px solid var(--accent);
  }
  .page-hero h1 {
    font-size: 56px; font-weight: 900; color: var(--navy);
    line-height: 1.3; margin-bottom: 28px; letter-spacing: -.01em;
  }
  .page-hero h1 em { color: var(--accent); font-style: normal; }
  .page-hero p {
    font-size: 17px; color: var(--text); line-height: 2.1;
    max-width: 760px; font-weight: 500;
  }

  /* ===== 事例カード（demo_v7サイズ・上部に画像） ===== */
  .case-list {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  }

  .case-card {
    background: #fff; border: 1px solid var(--border); border-radius: 8px;
    overflow: hidden;
    transition: all .2s;
    display: flex; flex-direction: column;
  }
  .case-card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 28px rgba(0,151,178,.10);
    transform: translateY(-2px);
  }

  /* 上部のイメージ画像エリア */
  .case-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent3) 0%, var(--bg2) 100%);
    position: relative;
  }
  .case-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    display: block;
  }

  /* カード本体 */
  .case-body {
    padding: 24px 24px 24px;
    flex: 1;
    display: flex; flex-direction: column; gap: 12px;
  }
  .case-meta {
    display: flex; align-items: center;
    gap: 8px; flex-wrap: wrap;
  }
  .case-num {
    display: inline-block;
    font-size: 13px; font-weight: 800; letter-spacing: .25em;
    color: #fff;
    background: var(--accent);
    padding: 5px 12px;
    border-radius: 100px;
  }
  .case-tags {
    display: flex; gap: 6px; flex-wrap: wrap;
  }
  .case-tag {
    font-size: 13px; padding: 3px 10px; border-radius: 100px;
    background: var(--bg2); color: var(--navy); letter-spacing: .05em;
    font-weight: 600;
  }
  .case-tag-area {
    background: var(--accent3); color: var(--accent2);
    border: none; font-weight: 700;
  }
  .case-result-location {
    display: inline-block;
    font-size: 11px; font-weight: 700;
    color: var(--accent2); background: var(--accent3);
    letter-spacing: .04em; padding: 2px 9px;
    border-radius: 100px; line-height: 1.6;
  }
  .case-title {
    font-size: 20px; font-weight: 800; color: var(--navy);
    line-height: 1.6; letter-spacing: -.005em;
  }
  .case-desc {
    font-size: 15px; color: var(--muted); line-height: 1.9;
    font-weight: 500;
  }
  .case-desc strong { color: var(--accent); font-weight: 800; }

  /* 一覧最後のメッセージ */
  .case-bottom-note {
    max-width: 1100px; margin: 56px auto 0;
    text-align: center; font-size: 14px;
    color: var(--muted); line-height: 1.9;
  }

  #voice { background: var(--cream2); position: relative; overflow: hidden; }
  #voice .wc-blob { top: 10%; right: -100px; width: 320px; height: 320px;
    background: radial-gradient(circle, #E1ECF7 0%, transparent 70%);
    filter: blur(50px); opacity: .6; }
  .voice-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; position: relative; z-index: 2; }
  .voice-card {
    background: #fff; border-radius: 16px; padding: 28px 24px;
    box-shadow: 0 6px 20px rgba(15,31,61,.04);
  }
  .voice-mark { font-size: 32px; color: var(--coral); line-height: 1; margin-bottom: 12px;
    font-family: serif; font-weight: 700; }
  .voice-text { font-size: 14px; color: var(--text); line-height: 2; margin-bottom: 16px; }
  .voice-author { font-size: 13px; color: var(--muted); padding-top: 12px; border-top: 1px solid var(--border); }
  .voice-author strong { color: var(--navy); }

  /* ===== 事例セクションタイトル ===== */
  .case-section-title {
    font-size: 28px; font-weight: 800; color: var(--navy);
    letter-spacing: .01em;
    margin: 0 0 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
  }
  .case-section-title-mt { margin-top: 96px; }
  .case-section-lead {
    font-size: 17px; color: var(--text); line-height: 2;
    margin: -16px 0 36px;
  }

  /* ===== お客様の声アコーディオン ===== */
  .case-voice {
    margin-top: 16px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
  }
  .case-voice summary {
    list-style: none;
    cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 17px; font-weight: 800;
    color: var(--accent2);
    letter-spacing: .02em;
    padding: 11px 24px;
    background: var(--accent3);
    border: 1px solid var(--accent);
    border-radius: 100px;
    user-select: none;
    transition: all .15s;
  }
  .case-voice summary:hover {
    background: var(--accent);
    color: #fff;
  }
  .case-voice summary::-webkit-details-marker { display: none; }
  .case-voice summary::after {
    content: "▼";
    font-size: 10px;
    transition: transform .25s ease;
  }
  .case-voice[open] summary::after {
    transform: rotate(180deg);
  }
  .case-voice-inner {
    display: flex; flex-direction: column;
    gap: 16px;
    margin-top: 16px;
  }
  .case-qa-block {
    background: var(--bg);
    border-left: 3px solid var(--accent);
    padding: 14px 16px;
    border-radius: 4px;
  }
  .case-qa-q {
    font-size: 15px; font-weight: 800; color: var(--accent);
    margin-bottom: 8px; letter-spacing: .01em;
    line-height: 1.6;
  }
  .case-qa-a {
    font-size: 15px; color: var(--text); line-height: 1.85;
    margin: 0;
  }

  /* ===== これまでの成果（数字カード） ===== */
  .case-result-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
  }
  .case-result-card {
    background: #fff;
    border: 1px solid var(--border);
    border-top: 4px solid var(--accent);
    border-radius: 6px;
    padding: 28px 24px;
    text-align: center;
  }
  .case-result-head {
    display: flex; justify-content: center; align-items: center;
    gap: 8px; flex-wrap: wrap; margin-bottom: 12px;
  }
  .case-result-industry {
    font-size: 13px; font-weight: 800; letter-spacing: .04em;
    color: var(--muted); margin: 0;
  }
  .case-result-number {
    font-size: 48px; font-weight: 900; color: var(--accent);
    line-height: 1; letter-spacing: -.02em;
    margin-bottom: 12px;
  }
  .case-result-number .unit {
    font-size: 24px; font-weight: 800; margin-left: 2px;
  }
  .case-result-number .growth {
    font-size: 20px; font-weight: 800; color: var(--navy); margin-left: 4px;
  }
  .case-result-metric {
    font-size: 14px; font-weight: 700; color: var(--navy);
    line-height: 1.6; margin-bottom: 12px;
    padding-bottom: 12px; border-bottom: 1px dashed var(--border);
  }
  .case-result-detail {
    font-size: 13px; color: var(--muted); line-height: 1.7;
    margin: 0;
  }
  @media (max-width: 900px) {
    .case-result-list { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 600px) {
    .case-result-list { grid-template-columns: 1fr; }
    .case-section-title { font-size: 22px; }
    .case-result-number { font-size: 40px; }
  }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 900px) {
    #page-hero { padding: 60px 24px 48px; min-height: auto; }
    .page-hero h1 { font-size: 36px; }
    .page-hero-stamp { font-size: clamp(60px, 16vw, 120px); opacity: .08; right: -4%; }
    .case-list { grid-template-columns: 1fr; gap: 20px; }
    .case-body { padding: 22px 22px; gap: 10px; }
    .case-title { font-size: 18px; }
  }
  @media (max-width: 600px) {
    #page-hero { padding: 48px 20px 40px; }
    .page-hero h1 { font-size: 28px; }
    .page-hero p { font-size: 15px; }
    .page-hero-stamp { font-size: clamp(48px, 18vw, 90px); opacity: .07; }
    .case-body { padding: 20px 20px; }
  }