@media (max-width: 1080px) {
  :root { --container: 920px; }
  .global-nav { gap: 18px; }
  .stats-card { grid-template-columns: 1fr 1fr; }
  .stats-overview {
    grid-column: 1 / -1;
    border-bottom: 1px solid var(--line);
  }
  .service-tile:nth-child(3) { border-right: 0; }
  .strength-layout { grid-template-columns: 1fr; }
  .strength-core { display: none; }
  .tech-row { grid-template-columns: repeat(6, 1fr); }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  :root { --container: 720px; }
  .site-header { height: 64px; }
  .site-header .logo-wordmark { width: 172px; }
  .global-nav,
  .header-cta { display: none; }
  .menu-toggle { display: block; }
  .container { width: min(calc(100% - 36px), var(--container)); }
  .section { padding: 72px 0; }
  .hero {
    min-height: auto;
    padding: 104px 0 64px;
    background: #ffffff;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero-visual {
    min-height: 460px;
    order: 2;
  }
  .hero-copy { order: 1; }
  .hero-photo-frame { inset: 0; }
  .hero h1 { font-size: 48px; }
  .vertical-note,
  .hero-arc,
  .floating-label { display: none; }
  .stats-band { margin-top: 0; }
  .works-summary { grid-template-columns: 1fr 1fr; }
  .section-head-row { display: block; }
  .section-head-row .btn { margin-top: 20px; }
  .ai-flow,
  .contact-grid { grid-template-columns: 1fr; }
  .footer-cta-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: start;
  }
  .top-page .site-footer .footer-legal { justify-content: flex-start; }
}

@media (max-width: 640px) {
  body {
    line-height: 1.72;
    font-size: 14px;
  }
  main {
    display: flex;
    flex-direction: column;
  }
  .hero { order: 1; }
  .works { order: 2; }
  .strength { order: 3; }
  .process { order: 4; }
  .insights { order: 5; }
  .contact { order: 6; }
  .pc-only,
  .pc-copy { display: none !important; }
  .sp-only,
  .sp-copy { display: block; }
  .container { width: min(calc(100% - 32px), 460px); }
  .logo-mark {
    width: 27px;
    height: 27px;
  }
  .site-header .logo-wordmark { width: 150px; }
  .mobile-menu-head .logo-wordmark { width: 170px; }
  .logo span { font-size: 14px; }
  .logo small { font-size: 7px; }
  .section { padding: 58px 0; }
  .section-kicker {
    font-size: 10px;
    margin-bottom: 10px;
  }
  .section-title {
    font-size: 28px;
    line-height: 1.45;
  }
  .section-lead {
    font-size: 13px;
    margin-bottom: 24px;
  }
  .hero {
    padding: 98px 0 48px;
    background: #ffffff;
  }
  .hero-grid { gap: 0; }
  .hero .section-kicker { color: var(--red); letter-spacing: .08em; }
  .hero h1 {
    margin-bottom: 16px;
    font-size: 32px;
  }
  .hero-text {
    font-size: 13px;
    margin-bottom: 22px;
  }
  .hero-actions .btn {
    width: auto;
    min-width: 238px;
    min-height: 48px;
  }
  .hero-visual {
    min-height: 285px;
    margin-inline: -16px;
  }
  .hero-photo-frame {
    inset: 0;
    border-radius: 0;
  }
  .hero-photo {
    object-position: 56% center;
  }
  .hero .hero-arc {
    display: block;
    top: -292px;
    right: -194px;
    width: 430px;
    height: 430px;
    border: 1px solid rgba(201, 0, 0, .28);
    border-left-color: transparent;
    border-bottom-color: transparent;
    z-index: 2;
    pointer-events: none;
  }
  .hero-mobile-lead {
    order: 3;
    padding-top: 22px;
    text-align: left;
  }
  .hero-mobile-lead h2 {
    margin: 0 0 8px;
    font-size: 22px;
    line-height: 1.45;
  }
  .hero-mobile-lead p {
    margin: 0 0 14px;
    color: #555555;
    font-size: 13px;
  }
  .hero-mobile-lead a {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin: 0 auto;
    color: var(--red);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .12em;
  }
  .stats-band { display: none; }
  .strength-layout,
  .tech-row,
  .works-summary,
  .works-grid,
  .process-grid,
  .ai-flow,
  .contact-points,
  .contact-photo,
  .form-card { display: none; }
  .works .section-head-row > .btn,
  .insights .section-head-row > .btn { display: none; }
  .strength-layout { margin-top: 26px; }
  .strength-card {
    grid-template-columns: 34px 1fr;
    min-height: auto;
    padding: 16px;
  }
  .strength-card .icon-img { --icon-size: 30px; }
  .strength-card h3 { font-size: 14px; }
  .strength-card p { font-size: 12px; }
  .tech-row {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 26px;
    padding: 14px;
  }
  .works-summary {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .summary-pill {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 13px;
  }
  .summary-pill .icon-img {
    --icon-size: 24px;
    grid-row: auto;
  }
  .summary-pill strong { font-size: 13px; }
  .summary-pill small { font-size: 10px; }
  .works-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .work-card {
    display: grid;
    grid-template-columns: 42% 1fr;
    min-height: 150px;
  }
  .work-image {
    height: 100%;
    aspect-ratio: auto;
  }
  .work-body { padding: 13px; }
  .work-no { font-size: 10px; }
  .work-card h3 {
    font-size: 13px;
    margin-bottom: 6px;
  }
  .work-card p {
    font-size: 11px;
    margin-bottom: 8px;
  }
  .tags span {
    padding: 3px 6px;
    font-size: 9px;
  }
  .works-contact {
    display: grid;
    grid-template-columns: 30px 1fr;
    padding: 16px;
  }
  .works-contact .btn {
    grid-column: 1 / -1;
    width: 100%;
  }
  .sp-value-cases {
    margin-top: 28px;
  }
  .sp-value-cases > article {
    display: grid;
    grid-template-columns: 44% 56%;
    min-height: 216px;
    margin-bottom: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
  }
  .sp-value-cases > article > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .sp-value-cases > article > div { padding: 14px 12px; }
  .sp-value-cases article span {
    color: var(--red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
  }
  .sp-value-cases h3 {
    margin: 3px 0 1px;
    font-size: 14px;
    line-height: 1.45;
  }
  .sp-value-cases article > div > small {
    display: block;
    color: #777777;
    font-size: 9px;
  }
  .sp-value-cases article p {
    margin: 9px 0;
    padding-top: 8px;
    border-top: 1px solid var(--line);
    font-size: 10px;
    line-height: 1.55;
  }
  .sp-value-cases dl { margin: 0; }
  .sp-value-cases dl div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
  }
  .sp-value-cases dt { font-size: 9px; }
  .sp-value-cases dd {
    margin: 0;
    color: var(--red);
    font-size: 22px;
    font-weight: 700;
  }
  .sp-value-cases dd em,
  .sp-value-cases dd small { font-size: 10px; font-style: normal; }
  .sp-slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 18px 0;
  }
  .sp-slider-dots b,
  .sp-slider-dots i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #dddddd;
  }
  .sp-slider-dots b { background: var(--red); }
  .sp-value-cases > .btn { width: 100%; }

  .sp-feature-panel {
    margin-top: 14px;
    padding: 18px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
  }
  .sp-feature-panel > h3 {
    margin: 0 0 18px;
    text-align: center;
    font-size: 14px;
  }
  .sp-phase-row,
  .sp-process-steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 5px;
  }
  .sp-phase-row > div,
  .sp-process-steps article {
    position: relative;
    text-align: center;
  }
  .sp-phase-row > div:not(:last-child)::after,
  .sp-process-steps article:not(:last-child)::after {
    content: "›";
    position: absolute;
    top: 23px;
    right: -6px;
    color: var(--red);
  }
  .sp-phase-row img,
  .sp-process-steps img {
    width: 38px;
    height: 38px;
    margin: 0 auto 8px;
    padding: 8px;
    border-radius: 50%;
    background: var(--soft-red);
  }
  .sp-phase-row strong,
  .sp-process-steps strong {
    display: block;
    min-height: 32px;
    font-size: 9px;
    line-height: 1.4;
  }
  .sp-phase-row small,
  .sp-process-steps small {
    display: block;
    color: #777777;
    font-size: 7px;
    line-height: 1.5;
  }
  .sp-phase-row + p {
    margin: 18px -14px -18px;
    padding: 12px;
    color: var(--red);
    background: var(--soft-red);
    text-align: center;
    font-size: 10px;
    font-weight: 700;
  }
  .sp-ai-panel article,
  .sp-ai-points article {
    display: grid;
    grid-template-columns: 48px 1fr 78px;
    gap: 10px;
    align-items: center;
    padding: 12px 0;
    border-top: 1px solid var(--line);
  }
  .sp-ai-panel article > img,
  .sp-ai-points article > img {
    width: 44px;
    height: 44px;
    padding: 10px;
    border-radius: 50%;
    background: var(--soft-red);
  }
  .sp-ai-panel article strong,
  .sp-ai-points article strong { display: block; font-size: 11px; }
  .sp-ai-panel article small,
  .sp-ai-points article small { display: block; color: #666666; font-size: 8px; line-height: 1.5; }
  .sp-ai-panel article > p,
  .sp-ai-points article > p {
    margin: 0;
    padding-left: 8px;
    border-left: 1px solid var(--line);
    text-align: center;
    font-size: 8px;
  }
  .sp-ai-panel article b,
  .sp-ai-points article b { display: block; color: var(--red); font-size: 22px; line-height: 1.15; }
  .sp-ai-panel article em,
  .sp-ai-points article em { font-size: 10px; font-style: normal; }
  .sp-three-strengths > div {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
  }
  .sp-three-strengths article { text-align: center; }
  .sp-three-strengths img {
    width: 44px;
    height: 44px;
    margin: 0 auto 8px;
    padding: 10px;
    border-radius: 50%;
    background: var(--soft-red);
  }
  .sp-three-strengths strong { display: block; color: var(--red); font-size: 13px; }
  .sp-three-strengths small { display: block; color: #666666; font-size: 8px; line-height: 1.5; }
  .sp-section-cta { width: 100%; margin-top: 20px; }

  .sp-process-steps article > b {
    display: block;
    margin-bottom: 5px;
    color: var(--red);
    font-size: 10px;
  }
  .sp-ai-points article { grid-template-columns: 48px 1fr 74px; }
  .sp-process-content blockquote {
    margin: 14px 0 0;
    padding: 16px;
    color: #333333;
    background: var(--soft-red);
    text-align: center;
    font-size: 10px;
    font-weight: 700;
  }
  .process-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 26px 0;
  }
  .process-card {
    min-height: 156px;
    padding: 16px 13px;
  }
  .process-card .icon-img { --icon-size: 28px; }
  .process-card h3 { font-size: 13px; }
  .process-card p { font-size: 11px; }
  .ai-message,
  .flow-panel {
    padding: 20px;
  }
  .ai-message h3 { font-size: 24px; }
  .flow-steps {
    grid-template-columns: 1fr 1fr;
  }
  .insights-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .article-card {
    display: grid;
    grid-template-columns: 40% 1fr;
  }
  .article-image {
    height: 100%;
    aspect-ratio: auto;
  }
  .article-body { padding: 13px; }
  .article-card h3 { font-size: 13px; }
  .article-card p { font-size: 11px; }
  .insight-filters {
    display: flex;
    gap: 8px;
    margin: 0 -16px 18px;
    padding: 0 16px 6px;
    overflow-x: auto;
    white-space: nowrap;
  }
  .insight-filters span,
  .insight-filters b {
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 9px;
    font-weight: 500;
  }
  .insight-filters b { color: #ffffff; background: var(--red); }
  .insights-grid .article-card:nth-child(5) { display: none; }
  .sp-insights-link { width: 100%; margin-top: 22px; }
  .contact-points {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .contact-points div {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 58px;
  }
  .contact-points .icon-img { margin-bottom: 0; }
  .form-card {
    padding: 20px;
  }
  .sp-contact-methods > h3 {
    margin: 26px 0 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    text-align: center;
    font-size: 12px;
  }
  .sp-contact-methods > a:not(.btn) {
    display: grid;
    grid-template-columns: 54px 1fr 16px;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
  }
  .sp-contact-methods > a:not(.btn) > img {
    width: 50px;
    height: 50px;
    padding: 13px;
    border-radius: 50%;
    background: var(--soft-red);
  }
  .sp-contact-methods a strong { display: block; font-size: 12px; }
  .sp-contact-methods a small { display: block; color: #666666; font-size: 9px; }
  .sp-contact-methods a em { display: block; color: var(--red); font-size: 19px; font-style: normal; font-weight: 700; }
  .sp-contact-methods a > b { color: var(--red); font-size: 24px; font-weight: 400; }
  .sp-first-contact {
    margin: 22px 0;
    padding: 22px;
    border-radius: 7px;
    background: var(--soft-red);
  }
  .sp-first-contact > strong { color: var(--red); font-size: 10px; }
  .sp-first-contact h3 { margin: 4px 0 8px; font-size: 17px; }
  .sp-first-contact p { margin: 0; font-size: 10px; }
  .sp-contact-methods > .btn { width: 100%; margin-top: 10px; }
  .sp-contact-note {
    margin: 24px 0 0;
    padding: 14px;
    background: #fafafa;
    text-align: center;
    font-size: 10px;
    font-weight: 700;
  }
  .sp-contact-note small { color: #777777; font-size: 8px; font-weight: 400; }
  .footer-cta { display: none; }
  .footer-inner nav { display: none; }
  .mobile-menu {
    width: 72vw;
    min-width: 300px;
    padding: 34px 32px;
  }
  .mobile-menu-item {
    grid-template-columns: 44px 1fr 18px;
    gap: 14px;
    padding: 20px 0;
  }
  .mobile-menu-item .icon-img { --icon-size: 34px; }
  .mobile-menu-item strong { font-size: 18px; }
  .phone-box {
    padding: 18px;
  }
  .phone-box .icon-img { --icon-size: 44px; }
  .phone-box strong { font-size: 22px; }
}

@media (max-width: 380px) {
  .work-card,
  .article-card {
    grid-template-columns: 1fr;
  }
  .work-image,
  .article-image {
    aspect-ratio: 16 / 10;
    height: auto;
  }
  .works-summary,
  .process-grid,
  .flow-steps {
    grid-template-columns: 1fr;
  }
}