/* ========== 豪雨緊急対応ページ固有CSS ========== */
  :root {
    --f-navy:  #0b1d33;
    --f-blue:  #1a5276;
    --f-mid:   #2471a3;
    --f-accent:#e67e22;
    --f-red:   #c0392b;
    --f-gray:  #f4f6f8;
    --f-border:#dde3ea;
    --f-text:  #1f2937;
    --f-muted: #6b7280;
  }
  *, *::before, *::after { box-sizing: border-box; }
  main { overflow-x: hidden; }

  /* ---- ヒーロー ---- */
  .f-hero {
    background: linear-gradient(160deg, #06111f 0%, #0d2b48 55%, #1a4a72 100%);
    padding: 80px 20px 64px;
    text-align: left;
    position: relative;
    overflow: hidden;
  }
  .f-hero::before {
    content: "";
    position: absolute; inset: 0;
    background: url("https://aksam.jp/img/flooded/flooded-pc.webp") center/cover no-repeat;
    opacity: .13;
    pointer-events: none;
  }
  .f-hero-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
  .f-hero-eyebrow {
    display: inline-block;
    background: var(--f-red);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    padding: 4px 14px;
    border-radius: 4px;
    margin-bottom: 20px;
  }
  .f-hero h1 {
    font-size: clamp(22px, 5vw, 38px);
    font-weight: 900;
    color: #fff;
    line-height: 1.45;
    margin: 0 0 16px;
  }
  .f-hero h1 em { color: #f8c471; font-style: normal; }
  .f-hero-lead {
    font-size: clamp(14px, 3vw, 16px);
    color: rgba(255,255,255,.85);
    line-height: 2;
    margin: 0 0 32px;
  }
  .f-hero-free {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 32px;
  }
  .f-hero-free span {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 999px;
  }
  .f-hero-free span b { color: #f8c471; }
  .f-hero-btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
  .f-btn-tel {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--f-red); color: #fff;
    font-size: 18px; font-weight: 900;
    padding: 14px 28px; border-radius: 8px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(192,57,43,.4);
    transition: transform .15s, box-shadow .15s;
  }
  .f-btn-tel:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(192,57,43,.5); }
  .f-btn-line {
    display: inline-flex; align-items: center; gap: 8px;
    background: #06c755; color: #fff;
    font-size: 15px; font-weight: 700;
    padding: 14px 24px; border-radius: 8px;
    text-decoration: none;
    transition: transform .15s;
  }
  .f-btn-line:hover { transform: translateY(-2px); }
  .f-hero-note { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 14px; }

  /* ---- 共通セクション ---- */
  .f-section { padding: 72px 20px; }
  .f-section-gray { background: var(--f-gray); }
  .f-section-dark { background: var(--f-navy); }
  .f-inner { max-width: 860px; margin: 0 auto; }
  .f-label { font-size: 11px; font-weight: 700; letter-spacing: .2em; color: var(--f-mid); text-transform: uppercase; margin-bottom: 8px; }
  .f-title { font-size: clamp(20px, 3.5vw, 28px); font-weight: 800; color: var(--f-navy); line-height: 1.4; margin: 0 0 10px; }
  .f-title-wh { color: #fff; }
  .f-divider { width: 40px; height: 4px; background: var(--f-mid); border-radius: 2px; margin: 0 0 32px; }
  .f-divider-accent { background: var(--f-accent); }
  .f-lead { font-size: 15px; color: var(--f-muted); line-height: 2; margin: 0 0 40px; }

  /* ---- まず何をすれば ---- */
  .f-steps { display: flex; flex-direction: column; gap: 0; }
  .f-step {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 0 20px;
    padding: 28px 0;
    border-bottom: 1px solid var(--f-border);
    align-items: start;
  }
  .f-step:last-child { border-bottom: none; }
  .f-step-num {
    width: 56px; height: 56px;
    background: var(--f-blue); color: #fff;
    font-size: 20px; font-weight: 900;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-family: "Roboto", sans-serif;
  }
  .f-step-body h3 { font-size: 17px; font-weight: 800; color: var(--f-navy); margin: 8px 0 8px; line-height: 1.4; }
  .f-step-body h3 .f-free-badge {
    display: inline-block;
    background: var(--f-red);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
  }
  .f-step-body p { font-size: 14px; color: var(--f-text); line-height: 1.85; margin: 0; }

  /* ---- 復旧技術 ---- */
  .f-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
  }
  .f-tech-card {
    background: #fff;
    border: 1px solid var(--f-border);
    border-radius: 10px;
    padding: 22px 18px;
    text-align: left;
  }
  .f-tech-icon { font-size: 32px; margin-bottom: 10px; }
  .f-tech-card h3 { font-size: 14px; font-weight: 800; color: var(--f-navy); margin: 0 0 8px; line-height: 1.4; }
  .f-tech-card p { font-size: 12px; color: var(--f-muted); line-height: 1.7; margin: 0; }

  /* ---- 中間CTA ---- */
  .f-mid-cta {
    background: linear-gradient(135deg, #0b1d33 0%, #1a5276 100%);
    border-radius: 12px;
    padding: 36px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
  }
  .f-mid-cta-body p { color: rgba(255,255,255,.7); font-size: 13px; margin: 0 0 4px; }
  .f-mid-cta-body strong { color: #fff; font-size: 18px; font-weight: 800; display: block; line-height: 1.4; }
  .f-mid-cta-btns { display: flex; gap: 10px; flex-wrap: wrap; }

  /* ---- コラムリンク ---- */
  .f-column-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .f-column-card {
    display: flex;
    gap: 14px;
    background: #fff;
    border: 1px solid var(--f-border);
    border-radius: 10px;
    padding: 18px 16px;
    text-decoration: none;
    color: inherit;
    transition: box-shadow .2s, transform .2s;
    align-items: flex-start;
  }
  .f-column-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); transform: translateY(-2px); }
  .f-column-icon {
    width: 44px; height: 44px;
    background: var(--f-gray);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
  }
  .f-column-body .f-column-cat { font-size: 11px; color: var(--f-mid); font-weight: 700; margin-bottom: 4px; }
  .f-column-body h3 { font-size: 13px; font-weight: 700; color: var(--f-navy); line-height: 1.55; margin: 0 0 6px; }
  .f-column-body p { font-size: 12px; color: var(--f-muted); line-height: 1.65; margin: 0; }

  /* ---- 施工事例 ---- */
  .f-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .f-case-card {
    background: #fff;
    border: 1px solid var(--f-border);
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow .2s, transform .2s;
    display: flex;
    flex-direction: column;
  }
  .f-case-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.1); transform: translateY(-3px); }
  .f-case-thumb { aspect-ratio: 16/9; overflow: hidden; }
  .f-case-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
  .f-case-card:hover .f-case-thumb img { transform: scale(1.04); }
  .f-case-body { padding: 12px 14px 16px; flex: 1; }
  .f-case-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
  .f-case-tag { font-size: 11px; padding: 2px 8px; border-radius: 4px; font-weight: 700; }
  .f-case-tag-area { background: #eef4fb; color: var(--f-mid); }
  .f-case-tag-type { background: #fef3e2; color: #92400e; }
  .f-case-body h3 { font-size: 13px; font-weight: 700; color: var(--f-text); line-height: 1.6; margin: 0; }
  .f-case-more { text-align: center; margin-top: 28px; }
  .f-case-more a {
    display: inline-flex; align-items: center; gap: 6px;
    border: 2px solid var(--f-blue); color: var(--f-blue);
    font-size: 14px; font-weight: 700;
    padding: 12px 28px; border-radius: 8px;
    text-decoration: none;
    transition: background .2s, color .2s;
  }
  .f-case-more a:hover { background: var(--f-blue); color: #fff; }

  /* ---- 最終CTA ---- */
  .f-final-cta { padding: 80px 20px; background: var(--f-navy); text-align: left; }
  .f-final-cta h2 { font-size: clamp(20px, 3.5vw, 28px); font-weight: 900; color: #fff; margin: 0 0 12px; line-height: 1.5; }
  .f-final-cta p { font-size: 14px; color: rgba(255,255,255,.75); line-height: 2; margin: 0 0 32px; }
  .f-final-btns { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
  .f-final-note { font-size: 12px; color: rgba(255,255,255,.5); }

  /* ---- レスポンシブ ---- */
  @media (max-width: 768px) {
    .f-section { padding: 52px 16px; }
    .f-tech-grid { grid-template-columns: repeat(2, 1fr); }
    .f-column-grid { grid-template-columns: 1fr; }
    .f-case-grid { grid-template-columns: 1fr; }
    .f-mid-cta { padding: 28px 20px; flex-direction: column; }
    .f-mid-cta-btns { justify-content: center; }
  }
  @media (max-width: 480px) {
    .f-tech-grid { grid-template-columns: 1fr; }
    .f-hero-btns { flex-direction: column; align-items: center; }
    .f-btn-tel { font-size: 16px; width: 100%; justify-content: center; }
    .f-btn-line { width: 100%; justify-content: center; }
  }

/* ---- ボタンバリエーション ---- */
.f-btn-tel-sm { font-size: 16px; padding: 12px 22px; }
.f-btn-mail { background: #1a5276; }
.f-btn-contact {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--f-navy);
  font-size: 15px; font-weight: 700;
  padding: 14px 24px; border-radius: 8px;
  text-decoration: none;
  transition: background .2s, color .2s;
}
.f-btn-contact:hover { background: var(--f-gray); }

/* ---- 事業バナー ---- */
.f-service-banners {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.f-service-banner {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: linear-gradient(135deg, #0b1d33 0%, #1a5276 100%);
  border-radius: 10px;
  padding: 24px 20px;
  text-decoration: none;
  color: #fff;
  transition: transform .2s, box-shadow .2s;
}
.f-service-banner:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(11,29,51,.3); }
.f-service-banner-icon { font-size: 36px; flex-shrink: 0; line-height: 1; margin-top: 2px; }
.f-service-banner-label { font-size: 10px; font-weight: 700; letter-spacing: .15em; color: rgba(255,255,255,.55); display: block; margin-bottom: 6px; }
.f-service-banner-title { font-size: 15px; font-weight: 800; color: #fff; margin: 0 0 8px; line-height: 1.4; }
.f-service-banner-desc { font-size: 12px; color: rgba(255,255,255,.75); line-height: 1.7; margin: 0 0 12px; }
.f-service-banner-cta { font-size: 12px; font-weight: 700; color: #f8c471; }

@media (max-width: 768px) {
  .f-service-banners { grid-template-columns: 1fr; }
}