/* ============================================================
   responsive.css — 株式会社ソイルテック
   洗練されたスマホ・タブレット対応
   ============================================================ */

/* ─── HAMBURGER ─── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  cursor: pointer;
  background: none;
  border: none;
  border-radius: 8px;
  transition: background 0.2s;
  flex-shrink: 0;
  padding: 0;
  align-items: center;
}
.hamburger:hover { background: #f0faf5; }
.hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: #3a8a6e;
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(.23,1,.32,1), opacity 0.2s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Nav backdrop ─── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.42);
  z-index: 880;
  backdrop-filter: blur(2px);
}
.nav-backdrop.open { display: block; }


/* ============================================================
   TABLET（〜1024px）
   ============================================================ */
@media (max-width: 1024px) {
  .header-inner  { padding: 0 20px; }
  .top-bar-inner { padding: 0 20px; }
  nav a { padding: 8px 11px; font-size: 0.83rem; }

  /* 事業内容 → 2列 */
  .service-card { flex: 0 0 calc((100% - 26px) / 2) !important; }
  .service-card-img { height: 210px; }

  /* 工事の流れ → 2列 */
  .process-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* coating → 狭める */
  .coating-inner { gap: 40px; padding: 0 20px; }
  .coating-img img { height: 320px; }

  /* contact → 1列 */
  .contact-layout { grid-template-columns: 1fr !important; }

  /* footer */
  .footer-main { grid-template-columns: 1fr 1fr !important; gap: 32px; padding: 40px 20px 32px; }

  /* works */
  .works-grid { grid-template-columns: repeat(2, 1fr) !important; }
}


/* ============================================================
   MOBILE（〜768px）
   ============================================================ */
@media (max-width: 768px) {

  /* ── Top bar：電話番号だけ残す ── */
  .top-bar { padding: 0; }
  .top-bar-inner {
    justify-content: center;
    padding: 7px 16px;
    gap: 0;
  }
  /* 住所・営業時間エリアを非表示 */
  .top-bar-left,
  .top-bar-inner > div:first-child { display: none; }
  /* 電話・FAX を横並びでコンパクトに */
  .top-bar-right,
  .top-bar-inner > div:last-child {
    width: auto !important;
    justify-content: center !important;
    padding: 0;
    gap: 10px !important;
    flex-wrap: nowrap;
    white-space: nowrap;
  }
  /* 「お気軽にご相談ください」非表示 */
  .top-bar small { display: none !important; }
  /* 電話番号スタイル */
  .top-bar-tel { font-size: 0.9rem; gap: 5px; }

  /* ── Header ── */
  header { top: 0; }
  .header-inner { padding: 0 16px; height: 58px; }
  .logo-name { font-size: 1rem; }

  /* ── Hamburger 表示 ── */
  .hamburger { display: flex; }

  /* ── Nav：スムーズなスライドイン ── */
  nav {
    display: flex;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    position: fixed;
    top: 58px;
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 20px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.16);
    z-index: 890;
    border-top: 2px solid #5aad8b;
    max-height: calc(100vh - 58px);
    overflow-y: auto;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  }
  nav.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  nav a {
    padding: 14px 22px;
    font-size: 0.93rem;
    font-weight: 600;
    color: #2c3830;
    border-bottom: 1px solid #f2f6f4;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  nav a::after  { display: none !important; }
  nav a::before { display: none; }
  /* 各リンクに矢印 */
  nav a:not(.nav-contact)::after {
    content: '›';
    display: block !important;
    font-size: 1.1rem;
    color: #5aad8b;
    font-weight: 900;
    position: static;
    width: auto; height: auto;
    background: none;
    transition: none;
  }
  .nav-contact {
    margin: 12px 16px 4px !important;
    border-radius: 10px !important;
    text-align: center;
    padding: 13px 16px !important;
    font-size: 0.9rem !important;
    justify-content: center;
    border-bottom: none !important;
  }
  .nav-contact::after { display: none !important; }

  /* scroll-margin */
  section { scroll-margin-top: 58px; }

  /* ── index: HERO ── */
  #hero { height: 82vh; min-height: 480px; }
  .slide-overlay {
    background: linear-gradient(
      to top,
      rgba(4,18,10,0.94) 0%,
      rgba(4,18,10,0.62) 38%,
      rgba(4,18,10,0.12) 100%
    ) !important;
  }
  .hero-body {
    left: 22px !important;
    right: 22px !important;
    bottom: 36px !important;
    transform: none;
    max-width: 100% !important;
    width: auto;
    align-items: flex-start;
    text-align: left;
    flex-direction: row;
    gap: 16px !important;
  }
  .hero-vline {
    display: block;
    width: 2px;
    min-height: auto;
    align-self: stretch;
    flex-shrink: 0;
  }
  .hero-eyebrow {
    margin-bottom: 12px;
    font-size: 0.58rem;
    letter-spacing: 0.24em;
    color: rgba(255,255,255,0.4);
  }
  .hero-body h1 {
    font-size: 1.65rem !important;
    letter-spacing: 0.06em !important;
    margin-bottom: 12px;
    line-height: 1.55 !important;
  }
  .hero-sub {
    font-size: 0.72rem !important;
    line-height: 1.9;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.08em;
  }
  .hero-cta {
    flex-direction: row !important;
    gap: 10px !important;
    width: 100%;
  }
  .hero-cta a {
    flex: 1;
    text-align: center;
    padding: 11px 10px;
    font-size: 0.82rem;
  }

  /* ── index: アピールバー → 縦並び ── */
  .appeal-strip { overflow-x: visible; }
  .appeal-grid {
    grid-template-columns: 1fr !important;
    min-width: unset;
  }
  .appeal-item { padding: 16px 20px; }

  /* ── index: 当社について(coating) ── */
  #coating { padding: 48px 0; }
  .coating-inner {
    grid-template-columns: 1fr !important;
    gap: 22px;
    padding: 0 16px;
  }
  .coating-img img { height: 200px; }
  .feature-list { grid-template-columns: 1fr !important; gap: 10px; }

  /* ── index: 事業内容 ── */
  #business { padding: 48px 0; }
  .business-inner { padding: 0 16px; }
  .service-grid { gap: 14px !important; }
  .service-card { flex: 0 0 100% !important; }
  .service-card-img { height: 180px; }

  /* ── index: 工事の流れ ── */
  #process { padding: 48px 0; }
  .process-inner { padding: 0 16px; }
  .process-grid {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  .process-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid #e8ede9;
  }
  .process-item:last-child { border-bottom: none; }
  .process-num {
    font-size: 1.6rem !important;
    min-width: 44px;
    margin-bottom: 0 !important;
    line-height: 1.2;
  }
  .process-item h3 { font-size: 0.92rem; margin-bottom: 5px; }
  .process-item p  { font-size: 0.82rem; }

  /* ── index: 施工実績 → 2列 ── */
  #works { padding: 48px 0; }
  .works-inner { padding: 0 16px !important; }
  .works-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  .work-img   { height: 130px; }
  .work-info  { padding: 10px 12px 13px; }
  .work-name  { font-size: 0.8rem; }

  /* ── index: お問い合わせ ── */
  #contact { padding: 48px 0; }
  .contact-inner  { padding: 0 16px; }
  .contact-layout { grid-template-columns: 1fr !important; gap: 20px; }
  .info-panel-body { padding: 16px 18px; }
  .info-panel-head { padding: 16px 18px; }

  /* ── セクション共通見出し ── */
  .sec-head     { margin-bottom: 28px; }
  .sec-title    { font-size: 1.2rem !important; }
  .sec-en       { font-size: 0.68rem; letter-spacing: 0.18em; }

  /* ── page-hero（サブページ）── */
  .page-hero     { padding: 32px 16px 28px; }
  .page-hero h1  { font-size: 1.2rem; letter-spacing: 0.05em; }
  .page-hero p   { font-size: 0.8rem; }
  .page-hero .breadcrumb { font-size: 0.72rem; }

  /* ── サービスページ hero slider ── */
  .service-hero        { height: 40vh; min-height: 230px; }
  .service-hero-title  { font-size: 1.3rem !important; }
  .service-hero-en     { font-size: 0.68rem; letter-spacing: 0.16em; }
  .service-hero-body   { bottom: 22px; padding: 0 16px; }
  .ds-arrow            { width: 32px; height: 32px; font-size: 1rem; }
  .ds-arrow.prev       { left: 8px; }
  .ds-arrow.next       { right: 8px; }

  /* ── サービス detail body ── */
  .service-detail { padding: 32px 16px 56px; }
  .service-lead   { font-size: 0.95rem; padding-left: 14px; }
  .service-features { grid-template-columns: 1fr !important; gap: 12px; }
  .related-links  { flex-direction: column; gap: 10px; }
  .related-btn    { width: 100%; justify-content: center; padding: 12px 20px; font-size: 0.85rem; }

  /* ── page-content（汎用）── */
  .page-content { padding: 32px 16px 56px; }
  .lead-box     { font-size: 0.93rem; padding-left: 16px; }
  .sec-title.rv { font-size: 0.95rem; }
  .body-text    { font-size: 0.87rem; }

  /* ── 使用例リスト ── */
  .usage-list-item     { grid-template-columns: 1fr !important; }
  .usage-list-label    { border-right: none; border-bottom: 2px solid #d6f0e6; padding: 10px 14px; }
  .usage-list-val      { padding: 10px 14px; }

  /* ── process-step（アスベスト調査 STEP）── */
  .process-step        { padding-left: 14px; margin-bottom: 36px; }
  .process-step h3     { font-size: 0.95rem; }
  .process-step p      { font-size: 0.85rem; }

  /* ── 作業レベルページ ── */
  .level-cards         { gap: 20px; }
  .level-card-head     { padding: 14px 18px; }
  .level-card-head h2  { font-size: 0.95rem; }
  .level-badge         { font-size: 0.72rem; padding: 3px 10px; }
  .level-table         { display: block; overflow-x: auto; }
  .level-table th      { width: 80px; font-size: 0.78rem; padding: 10px; white-space: nowrap; }
  .level-table td      { font-size: 0.8rem; padding: 10px; }

  /* ── 会社概要テーブル ── */
  .company-table { display: block; }
  .company-table tbody { display: block; }
  .company-table tr    { display: grid; grid-template-columns: 76px 1fr; }
  .company-table th    { width: auto; padding: 11px 8px; font-size: 0.75rem; }
  .company-table td    { padding: 11px 12px; font-size: 0.83rem; }
  .company-table td a  { font-size: inherit; }
  .biz-list     { grid-template-columns: 1fr !important; gap: 10px; }
  .access-body  { grid-template-columns: 1fr !important; }
  .map-wrap     { height: 180px; border-left: none; border-top: 1px solid #d8e4de; }
  .philosophy-block { padding: 26px 18px; }
  .philosophy-block .tagline { font-size: 1.15rem; }

  /* ── 施工実績テーブル ── */
  .result-table    { font-size: 0.82rem; }
  .result-table th,
  .result-table td { padding: 10px 12px; }

  /* ── CTA・バナー ── */
  .cta-box        { padding: 24px 18px; border-radius: 10px; }
  .cta-box p      { font-size: 0.85rem; }
  .cta-box a      { padding: 11px 28px; font-size: 0.85rem; }
  .service-cta    { padding: 24px 18px; }
  .highlight-banner { padding: 20px 18px; border-radius: 8px; }

  /* ── Footer ── */
  .footer-main {
    grid-template-columns: 1fr !important;
    padding: 28px 20px 20px;
    gap: 20px;
  }
  .footer-col h4        { font-size: 0.82rem; margin-bottom: 10px; }
  .footer-col ul li     { margin-bottom: 5px; }
  .footer-col ul li a   { font-size: 0.8rem; }
  .f-row, .f-contact-row { font-size: 0.8rem; margin-bottom: 7px; }
  .footer-bottom        { padding: 12px 16px; font-size: 0.7rem; }

  /* ── フッターブランド簡略化 ── */
  .footer-brand-text { font-size: 0.8rem; line-height: 1.75; }
  .footer-brand-text br { display: none; }
}


/* ============================================================
   SMALL MOBILE（〜480px）
   ============================================================ */
@media (max-width: 480px) {
  .hero-body h1       { font-size: 1.25rem !important; }
  .page-hero h1       { font-size: 1.05rem; }
  .service-hero-title { font-size: 1.1rem !important; }
  .works-grid         { grid-template-columns: 1fr !important; }
  .company-table tr   { grid-template-columns: 68px 1fr; }
  .appeal-grid        { grid-template-columns: 1fr !important; }
}