#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;
  }

  .faq-cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
  .faq-cat {
    padding: 10px 20px; border: 1px solid var(--border); background: #fff;
    border-radius: 100px; font-size: 14px; color: var(--muted);
    font-family: "Hiragino Kaku Gothic ProN", sans-serif; cursor: pointer;
    text-decoration: none; transition: all .15s;
  }
  .faq-cat:hover { background: var(--accent3); color: var(--accent); border-color: var(--accent); }
  .faq-cat.active { background: var(--navy); color: #fff; border-color: var(--navy); }

  .faq-group { margin-bottom: 40px; scroll-margin-top: 100px; }
  .faq-group-title {
    font-size: 14px; letter-spacing: .25em; color: var(--accent);
    margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border);
    font-family: "Hiragino Kaku Gothic ProN", sans-serif; font-weight: 700;
  }
  details {
    background: #fff; border: 1px solid var(--border); border-radius: 12px;
    margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s;
  }
  details[open] { box-shadow: 0 8px 24px rgba(0,151,178,.08); }
  summary {
    padding: 20px 24px; cursor: pointer; list-style: none;
    display: flex; align-items: flex-start; gap: 16px;
    font-size: 17px; font-weight: 700; color: var(--navy); line-height: 1.6;
  }
  summary::-webkit-details-marker { display: none; }
  summary::before {
    content: "Q"; flex-shrink: 0;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--accent); color: #fff;
    font-size: 14px; display: flex; align-items: center; justify-content: center;
    font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  }
  summary::after {
    content: "+"; margin-left: auto; color: var(--accent); font-size: 22px;
    transition: transform .2s; flex-shrink: 0;
  }
  details[open] summary::after { transform: rotate(45deg); }
  .faq-answer {
    padding: 0 24px 22px 68px;
    font-size: 15px; color: var(--text); line-height: 2;
  }
  .faq-answer strong { color: var(--accent); font-weight: 800; }

  .cta-row {
    margin-top: 56px; padding: 40px; background: var(--accent3);
    border-radius: 16px; text-align: center;
  }
  .cta-row p { font-size: 17px; color: var(--text); line-height: 2; margin-bottom: 20px; }

  /* ===== 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%; }
    .faq-cat-tabs { gap: 6px; }
    .faq-cat { padding: 7px 14px; font-size: 12px; }
    .faq-list details { padding: 16px 20px; }
    .faq-list summary { font-size: 15px; padding: 12px 0; }
    .faq-answer { font-size: 14px; padding: 12px 0; }
    .cta-row { padding: 28px 20px; }
  }
  @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; }
  }