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

  :root {
    --navy: #1a2a4a;
    --teal: #00b4c8;
    --teal-dark: #0099aa;
    --red: #c8002a;
    --red-dark: #a80020;
    --gray-light: #f4f6f8;
    --gray-mid: #e8ecf0;
    --gray-text: #666;
    --white: #ffffff;
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: "Yu Gothic Medium", "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", "Meiryo", "Noto Sans JP", sans-serif;
    color: #333;
    font-size: 15px;
    line-height: 1.8;
    font-weight: 700;
  }

  h2 {
    color: #003B72;
  }

  h3 {
    color: #003B72;
  }

  /* ===== HEADER ===== */
  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--gray-mid);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 64px;
  }

  .logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--navy);
    text-decoration: none;
  }

  nav {
    display: flex;
    align-items: center;
    gap: 36px;
  }

  nav a {
    font-size: 13px;
    color: #444;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
  }
  nav a:hover { color: var(--teal); }

  .btn-contact {
    background: var(--teal);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: background 0.2s !important;
  }
  .btn-contact:hover { background: var(--teal-dark) !important; }

  /* ===== HERO ===== */
  .hero {
    position: relative;
    margin-top: 64px;
    height: 580px;
    background: #1a2a4a;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("images/fv_bg.jpg") center / cover no-repeat;
    filter: grayscale(100%);
    z-index: 0;
  }

  .hero-bg-text {
    position: absolute;
    font-size: 230px;
    font-weight: 900;
    letter-spacing: 0.02em;
    color: rgba(255,255,255,0.30);
    white-space: nowrap;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    font-family: "DIN", "DIN Alternate", "DIN 2014", "Bahnschrift", "Arial Narrow", sans-serif;
  }

  .hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
      linear-gradient(180deg, rgba(26,42,74,0.5) 0%, rgba(26,42,74,0.62) 100%),
      radial-gradient(ellipse at 20% 50%, rgba(0,180,200,0.15) 0%, transparent 60%),
      radial-gradient(ellipse at 80% 50%, rgba(0,180,200,0.08) 0%, transparent 60%);
  }

  .hero-content {
    position: relative;
    z-index: 2;
  }

  .hero-content h1 {
    font-size: 44px;
    font-weight: 900;
    color: var(--white);
    line-height: 1.3;
    letter-spacing: 0.03em;
    margin-bottom: 24px;
    text-shadow: none;
  }

  .hero-content h1 span {
    display: block;
    color: var(--white);
    text-shadow: none;
  }

  .hero-content p {
    color: rgba(255,255,255,0.85);
    font-size: 15px;
    line-height: 2;
    margin-bottom: 36px;
    letter-spacing: 0.05em;
  }

  .btn-primary {
    display: inline-block;
    background: var(--teal);
    color: var(--white);
    padding: 16px 48px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 4px 16px rgba(0,180,200,0.4);
  }
  .btn-primary:hover {
    background: var(--teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,180,200,0.5);
  }

  /* ===== SECTION COMMON ===== */
  section { padding: 80px 0; }

  .container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .section-bg-text {
    text-align: center;
    font-size: 64px;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: #E3ECF4;
    line-height: 1;
    margin-bottom: -20px;
    text-transform: uppercase;
    font-family: 'Noto Serif JP', serif;
  }

  .section-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 56px;
    letter-spacing: 0.05em;
    position: relative;
  }

  /* ===== REASONS ===== */
  .reasons {
    background: var(--gray-light);
  }

  .reasons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .reason-card {
    background: var(--white);
    border-radius: 8px;
    padding: 36px 28px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .reason-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.1);
  }

  .reason-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--teal);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
  }

  .reason-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    border-radius: 50%;
  }

  .reason-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--teal);
    fill: none;
    stroke-width: 1.5;
  }

  .reason-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.5;
  }

  .reason-card p {
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.9;
  }

  .btn-secondary {
    display: inline-block;
    background: linear-gradient(90deg, #2b6fca 0%, #19c9c6 100%);
    color: var(--white);
    padding: 14px 48px;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.2s;
    margin-top: 48px;
    box-shadow: 0 10px 24px rgba(43,111,202,0.18);
  }
  .btn-secondary:hover {
    filter: brightness(0.96);
    transform: translateY(-2px);
  }

  .text-center { text-align: center; }

  /* ===== SERVICES ===== */
  .services { background: var(--white); }

  .service-item {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--gray-mid);
  }

  .service-item:last-child { border-bottom: none; margin-bottom: 0; }

  .service-item.reverse {
    grid-template-columns: 1fr 240px;
  }
  .service-item.reverse .service-img { order: 2; }
  .service-item.reverse .service-body { order: 1; }

  .service-img {
    width: 100%;
    height: 160px;
    background: var(--gray-mid);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
  }

  .service-img-inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
  }

  .service-img-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  .service-num {
    font-size: 36px;
    font-weight: 900;
    color: rgba(0,0,0,0.06);
    line-height: 1;
    position: absolute;
    right: 12px;
    bottom: 8px;
    font-family: 'Noto Serif JP', serif;
  }

  .service-tag {
    display: inline-block;
    background: #DFECF9;
    color: #111;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 4px;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
  }

  .service-body h3 {
    font-size: 26px;
    font-weight: 900;
    margin-bottom: 10px;
    letter-spacing: 0.03em;
    line-height: 1.35;
  }

  .service-body {
    position: relative;
  }

  .service-body p {
    font-size: 14px;
    color: #333;
    line-height: 2;
    letter-spacing: 0.03em;
  }

  .service-body .service-num {
    font-size: 90px;
    font-weight: 700;
    line-height: 1;
    color: #81B2DE;
    opacity: 0.35;
    letter-spacing: 0.02em;
    font-family: "DIN", "DIN Alternate", "DIN 2014", "Bahnschrift", "Arial Narrow", sans-serif;
    pointer-events: none;
    white-space: nowrap;
  }

  .service-desc-row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
  }

  .service-desc-row p {
    flex: 1;
    min-width: 0;
  }

  .service-desc-row .service-num {
    flex: 0 0 auto;
    margin-left: auto;
    transform: translateY(-56px);
  }

  @media (max-width: 768px) {
    .service-desc-row .service-num {
      transform: translateY(-20px);
    }
  }

  /* ===== PROBLEMS ===== */
  .problems {
    background: var(--navy) url("images/pixta_92932371_XL.jpg") center / cover no-repeat;
    color: var(--white);
    position: relative;
    overflow: hidden;
  }

  .problems::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(180deg, rgba(26,42,74,0.72) 0%, rgba(26,42,74,0.78) 100%),
      radial-gradient(ellipse at 10% 50%, rgba(0,180,200,0.12) 0%, transparent 50%),
      radial-gradient(ellipse at 90% 50%, rgba(0,180,200,0.08) 0%, transparent 50%);
  }

  .problems .section-title {
    color: var(--white);
  }

  .problems-subtitle {
    text-align: center;
    color: var(--white);
    font-size: 14px;
    margin-top: -36px;
    margin-bottom: 48px;
    line-height: 1.9;
  }

  .problems-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }

  .problem-item {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    padding: 16px 24px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
  }
  .problem-item:hover { background: rgba(255,255,255,0.12); }

  .problem-item::before {
    content: '✓';
    color: var(--teal);
    font-weight: 700;
    flex-shrink: 0;
  }

  /* ===== CTA ===== */
  .cta {
    background: var(--gray-light);
    text-align: center;
  }

  .cta-box {
    background: var(--navy);
    border-radius: 12px;
    padding: 64px 48px;
    position: relative;
    overflow: hidden;
  }

  .cta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0,180,200,0.15) 0%, transparent 70%);
  }

  .cta-box h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
  }

  .cta-box p {
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    line-height: 2;
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
  }

  .btn-cta {
    display: inline-block;
    background: var(--red);
    color: var(--white);
    padding: 18px 56px;
    border-radius: 9999px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(200,0,42,0.4);
  }
  .btn-cta:hover {
    background: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(200,0,42,0.5);
  }

  /* ===== CONTACT PAGE ===== */
  .page-hero {
    position: relative;
    margin-top: 64px;
    height: 280px;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
  }

  .page-hero-bg-text {
    position: absolute;
    font-size: 120px;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.04);
    white-space: nowrap;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    font-family: "DIN", "DIN Alternate", "DIN 2014", "Bahnschrift", "Arial Narrow", sans-serif;
  }

  .page-hero-overlay {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse at 20% 50%, rgba(0,180,200,0.15) 0%, transparent 60%),
      radial-gradient(ellipse at 80% 50%, rgba(0,180,200,0.08) 0%, transparent 60%);
  }

  .page-hero-content {
    position: relative;
    z-index: 1;
    padding: 0 24px;
  }

  .page-hero-content h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
  }

  .page-hero-content p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.05em;
  }

  .contact-section {
    background: var(--gray-light);
    padding: 80px 0;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items: start;
  }

  .contact-info h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
  }

  .contact-info > p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.9;
    margin-bottom: 28px;
  }

  .contact-details {
    margin-bottom: 28px;
  }

  .contact-details > div {
    margin-bottom: 20px;
  }

  .contact-details dt {
    font-size: 12px;
    font-weight: 700;
    color: var(--teal);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
  }

  .contact-details dd {
    font-size: 14px;
    color: #333;
  }

  .contact-details a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s;
  }

  .contact-details a:hover {
    color: var(--teal);
  }

  .contact-note {
    background: var(--white);
    border-left: 3px solid var(--teal);
    padding: 16px 20px;
    border-radius: 0 6px 6px 0;
  }

  .contact-note p {
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.9;
  }

  .contact-form-wrap {
    background: var(--white);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  }

  .form-group {
    margin-bottom: 24px;
  }

  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
  }

  .form-required {
    color: var(--red);
    font-size: 11px;
    margin-left: 4px;
  }

  .form-optional {
    color: var(--gray-text);
    font-size: 11px;
    font-weight: 500;
    margin-left: 4px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-mid);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
  }

  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0,180,200,0.15);
  }

  .form-group textarea {
    resize: vertical;
    min-height: 140px;
  }

  .form-error {
    display: block;
    font-size: 12px;
    color: var(--red);
    margin-top: 6px;
    font-weight: 500;
  }

  .form-privacy {
    font-size: 12px;
    color: var(--gray-text);
    line-height: 1.8;
    margin-bottom: 28px;
  }

  .btn-submit {
    display: block;
    width: 100%;
    background: var(--teal);
    color: var(--white);
    padding: 16px 48px;
    border: none;
    border-radius: 4px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 16px rgba(0,180,200,0.4);
  }

  .btn-submit:hover {
    background: var(--teal-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,180,200,0.5);
  }

  .form-success {
    text-align: center;
    padding: 48px 24px;
  }

  .form-success h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #003B72;
  }

  .form-success p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.9;
    margin-bottom: 32px;
  }

  /* ===== SUB PAGES ===== */
  .content-section {
    padding: 80px 0;
    background: var(--white);
  }

  .content-section.alt {
    background: var(--gray-light);
  }

  .lead-text {
    text-align: center;
    font-size: 15px;
    color: var(--gray-text);
    line-height: 2;
    max-width: 720px;
    margin: -24px auto 48px;
  }

  .about-mission {
    background: var(--white);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 48px;
  }

  .about-mission h3 {
    font-size: 18px;
    margin-bottom: 16px;
  }

  .about-mission p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 2;
  }

  .feature-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .feature-item {
    background: var(--white);
    border-radius: 8px;
    padding: 28px 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  }

  .content-section.alt .feature-item {
    background: var(--white);
  }

  .feature-item h3 {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .feature-item p {
    font-size: 13px;
    color: var(--gray-text);
    line-height: 1.9;
  }

  .service-detail {
    margin-bottom: 64px;
    padding-bottom: 64px;
    border-bottom: 1px solid var(--gray-mid);
  }

  .service-detail:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  .service-detail-header {
    margin-bottom: 24px;
  }

  .service-detail-header h3 {
    font-size: 24px;
    margin-bottom: 12px;
  }

  .service-detail-body p {
    font-size: 14px;
    color: #333;
    line-height: 2;
    margin-bottom: 20px;
  }

  .service-detail-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .service-detail-list li {
    font-size: 13px;
    color: #333;
    padding: 12px 16px;
    background: var(--gray-light);
    border-radius: 4px;
    line-height: 1.6;
  }

  .service-detail-list li::before {
    content: '✓';
    color: var(--teal);
    font-weight: 700;
    margin-right: 8px;
  }

  .case-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-card {
    background: var(--white);
    border-radius: 8px;
    padding: 36px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  }

  .content-section.alt .case-card {
    background: var(--white);
  }

  .case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
  }

  .case-tag {
    display: inline-block;
    background: #DFECF9;
    color: #111;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: 4px;
    letter-spacing: 0.05em;
  }

  .case-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    line-height: 1.5;
  }

  .case-meta {
    font-size: 12px;
    color: var(--teal);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
  }

  .case-card p {
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.9;
    margin-bottom: 16px;
  }

  .case-result {
    background: var(--gray-light);
    border-left: 3px solid var(--teal);
    padding: 16px 20px;
    border-radius: 0 6px 6px 0;
    font-size: 13px;
    color: #333;
    line-height: 1.9;
  }

  .case-result strong {
    color: #003B72;
  }

  .page-cta {
    padding: 0 0 80px;
    background: var(--gray-light);
  }

  .page-cta .cta-box {
    text-align: center;
  }

  .page-cta .btn-secondary {
    margin-top: 0;
  }

  .content-section .problems-list .problem-item {
    background: var(--gray-light);
    border: 1px solid var(--gray-mid);
    color: #333;
  }

  .content-section .problems-list .problem-item:hover {
    background: var(--gray-mid);
  }

  /* ===== FOOTER ===== */
  footer {
    background: #111820;
    color: rgba(255,255,255,0.6);
    padding: 48px 0 24px;
  }

  .footer-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }

  .footer-brand .logo {
    color: rgba(255,255,255,0.9);
    display: block;
    margin-bottom: 12px;
  }

  .footer-brand p {
    font-size: 12px;
    line-height: 1.9;
    color: rgba(255,255,255,0.45);
  }

  .footer-nav h4 {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.9);
    margin-bottom: 16px;
    text-transform: uppercase;
  }

  .footer-nav a {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.2s;
  }
  .footer-nav a:hover { color: var(--teal); }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 11px;
    color: rgba(255,255,255,0.3);
  }

  /* ===== HAMBURGER ===== */
  .hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
    z-index: 200;
  }
  .hamburger span {
    display: block;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: all 0.3s;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
  }
  .nav-overlay.open { display: block; }

  /* ===== TABLET (768px) ===== */
  @media (max-width: 768px) {
    header { padding: 0 20px; }
    .hamburger { display: flex; }
    nav {
      position: fixed;
      top: 0; right: -280px;
      width: 280px;
      height: 100vh;
      background: var(--white);
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      padding: 80px 32px 32px;
      box-shadow: -4px 0 24px rgba(0,0,0,0.12);
      transition: right 0.3s ease;
      z-index: 150;
    }
    nav.open { right: 0; }
    nav a { font-size: 15px; padding: 14px 0; border-bottom: 1px solid var(--gray-mid); width: 100%; }
    .btn-contact { margin-top: 16px; width: 100%; text-align: center; border-bottom: none !important; }

    .hero { height: auto; padding: 60px 24px; }
    .hero-bg-text { font-size: 80px; }
    .hero-content h1 { font-size: 30px; }
    .hero-content p { font-size: 13px; }

    section { padding: 56px 0; }
    .section-bg-text { font-size: 40px; }
    .section-title { font-size: 22px; margin-bottom: 36px; }

    .reasons-grid { grid-template-columns: 1fr; gap: 20px; }

    .service-item,
    .service-item.reverse { grid-template-columns: 1fr; gap: 20px; }
    .service-item.reverse .service-img { order: 0; }
    .service-item.reverse .service-body { order: 0; }

    .problems-subtitle br { display: none; }

    .cta-box { padding: 40px 24px; }
    .cta-box h2 { font-size: 20px; }
    .cta-box p br { display: none; }
    .btn-cta { padding: 16px 32px; font-size: 14px; }

    .footer-inner { grid-template-columns: 1fr; gap: 32px; }

    .page-hero { height: 220px; }
    .page-hero-bg-text { font-size: 64px; }
    .page-hero-content h1 { font-size: 24px; }

    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .contact-form-wrap { padding: 28px 24px; }

    .feature-list { grid-template-columns: 1fr; }
    .service-detail-list { grid-template-columns: 1fr; }
    .about-mission { padding: 28px 24px; }
    .case-card { padding: 28px 24px; }
  }

  /* ===== MOBILE (480px) ===== */
  @media (max-width: 480px) {
    .hero-content h1 { font-size: 24px; }
    .hero-content p { font-size: 12px; }
    .btn-primary { padding: 14px 32px; font-size: 14px; }
    .section-bg-text { font-size: 28px; }
    .section-title { font-size: 20px; }
    .reason-card { padding: 28px 20px; }
    .problem-item { font-size: 13px; padding: 14px 16px; }
    .btn-cta { width: 100%; text-align: center; padding: 16px 20px; font-size: 13px; }
  }