/* Tablet: keep natural readable columns, then recompose for mobile. */
@media (max-width: 1150px) {
  .site-header {
    gap: 20px;
    padding-inline: 24px;
  }
  .brand,
  .brand img {
    width: 210px;
    flex-basis: 210px;
  }
  .site-nav {
    gap: 17px;
    font-size: 13px;
  }

  .hero .lead {
    font-size: 16px;
  }
  .reason-row {
    gap: 44px;
  }
  .reason-row h3 {
    font-size: 30px;
  }
  .cta-actions .button {
    min-width: 200px;
    padding-inline: 24px;
  }
}
@media (max-width: 960px) {
  :root {
    --header: 72px;
  }
  .site-header {
    gap: 14px;
  }
  .brand,
  .brand img {
    width: 210px;
    flex-basis: 210px;
  }
  .header-button {
    margin-left: auto;
  }
  .menu-toggle {
    display: grid;
    align-content: center;
    gap: 5px;
    width: 40px;
    height: 42px;
    background: white;
    padding: 8px;
  }
  .menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--navy);
  }
  .site-nav {
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    background: white;
    padding: 20px 24px;
    display: none;
    box-shadow: 0 5px 8px #00000012;
  }
  .site-nav.open {
    display: grid;
    gap: 0;
  }
  .site-nav a {
    padding: 12px;
    border-bottom: 1px solid var(--line);
  }
  .split {
    gap: 36px;
  }
  .hero-main {
    gap: 20px;
  }

  .cta-band .wrap {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .reason-row {
    gap: 30px;
  }
  .reason-row h3 {
    font-size: 28px;
  }
  .reason-row p {
    font-size: 15px;
  }
  .grid.three {
    gap: 20px;
  }
  .problem-card {
    padding-inline: 20px;
  }
  .problem-card h3 {
    font-size: 19px;
  }
}
@media (max-width: 680px) {
  :root {
    --header: 66px;
  }
  .wrap {
    width: calc(100% - 44px);
  }
  body {
    font-size: 16px;
    line-height: 1.85;
  }
  .section {
    padding-block: 68px;
  }
  .section-heading {
    margin-bottom: 38px;
    padding-top: 10px;
  }
  .section-heading .english {
    font-size: 54px;
    top: -8px;
  }
  .section-heading h2 {
    font-size: 27px;
    line-height: 1.55;
  }
  .section-heading .eyebrow {
    font-size: 13px;
  }
  .section-heading p {
    font-size: 15px;
    margin-top: 18px;
  }
  .sp {
    display: initial;
  }
  .pc {
    display: none;
  }
  .site-header {
    padding-inline: 16px;
    gap: 10px;
  }
  .brand,
  .brand img {
    width: 145px;
    flex-basis: 145px;
  }
  .header-button {
    font-size: 12px;
    min-height: 40px;
    padding: 10px 14px;
    gap: 6px;
  }
  .header-button .arrow {
    width: 17px;
    height: 17px;
    font-size: 12px;
  }
  .menu-toggle {
    width: 30px;
    padding-inline: 3px;
  }
  .button {
    font-size: 16px;
    min-height: 56px;
    padding: 15px 24px;
  }
  .hero-main {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 26px;
    min-height: 0;
    padding-block: 36px 38px;
  }
  .hero-copy {
    text-align: center;
  }

  .hero .lead {
    font-size: 15px;
    margin-top: 18px;
    text-align: left;
  }
  .hero-facts {
    justify-content: center;
    gap: 7px 14px;
    font-size: 11px;
    margin-top: 15px;
  }
  .hero-visual {
    width: 100%;
    align-self: center;
  }
  .hero-visual img {
    width: 112%;
    margin-left: -6%;
  }
  .hero-visual::before {
    inset: -3% -3%;
    width: 106%;
    height: 106%;
  }
  .wave-art {
    height: 210px;
  }
  .cta-band {
    padding-block: 30px;
  }
  .cta-band h2 {
    font-size: 21px;
  }
  .cta-band p {
    font-size: 13px;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
    max-width: 380px;
    gap: 14px;
  }
  .cta-actions .button {
    min-height: 56px;
    width: 100%;
  }
  .grid.three,
  .grid.two,
  .split {
    grid-template-columns: 1fr;
  }
  .grid {
    gap: 24px;
  }
  .intro {
    font-size: 15px;
    margin-bottom: 36px;
  }
  .problem-card {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 0 16px;
    padding: 24px;
    text-align: left;
    align-items: center;
  }
  .problem-card .icon {
    grid-row: span 2;
    width: 70px;
    height: 80px;
    margin: 0;
  }
  .problem-card h3 {
    font-size: 19px;
    margin-bottom: 8px;
  }
  .problem-card p {
    font-size: 14px;
  }
  .bridge {
    font-size: 21px;
    margin-top: 32px;
  }
  .overview h3 {
    font-size: 26px;
    margin-bottom: 20px;
  }
  .split {
    gap: 34px;
  }
  .system-diagram {
    padding: 24px 20px;
  }
  .diagram-node {
    padding: 10px 14px;
    gap: 12px;
    font-size: 16px;
  }
  .diagram-node .icon {
    width: 50px;
    height: 50px;
    flex-basis: 50px;
  }
  .comparison-table {
    font-size: 14px;
  }
  .comparison-table td,
  .comparison-table th {
    padding: 16px;
  }
  .support-list {
    gap: 0;
  }
  .support-row {
    grid-template-columns: 62px 1fr;
    gap: 18px;
    padding: 26px 0;
  }
  .support-row .icon {
    width: 62px;
    height: 70px;
    align-self: start;
  }
  .support-row h3 {
    font-size: 20px;
  }
  .support-row p {
    font-size: 15px;
  }
  .support-row .order {
    display: none;
  }
  .panel-grid {
    gap: 48px;
  }
  .rounded-panel {
    padding: 38px 25px 26px;
  }
  .rounded-panel h3 {
    font-size: 21px;
  }
  .choice-note {
    font-size: 16px;
  }
  .investigation-art {
    padding: 10px 24px;
  }
  .reason-list {
    gap: 60px;
  }
  .reason-row,
  .reason-row:nth-child(even) {
    display: flex;
    flex-direction: column;
    gap: 28px;
    min-height: 0;
  }
  .reason-row:nth-child(even) .reason-image {
    order: 0;
  }
  .reason-image {
    width: min(320px, 95%);
  }
  .reason-copy {
    width: 100%;
  }
  .reason-kicker {
    text-align: center;
    font-size: 14px;
    margin-bottom: 12px;
  }
  .reason-row h3 {
    font-size: 26px;
    text-align: center;
    line-height: 1.6;
  }
  .reason-row p {
    font-size: 16px;
  }
  .reason-row .tags {
    justify-content: center;
  }
  .scope-panel {
    padding: 25px;
  }
  .scope-panel h3 {
    font-size: 21px;
    margin-bottom: 18px;
  }
  .scope-tags {
    gap: 10px;
  }
  .scope-tags li {
    font-size: 14px;
    padding: 8px 12px;
  }
  .flow-grid {
    gap: 30px;
  }
  .flow-card {
    padding: 24px;
  }
  .flow-card .step-number {
    font-size: 34px;
  }
  .flow-card:not(:last-child)::after,
  .flow-card:not(:nth-child(3n))::after {
    content: "↓";
    top: auto;
    bottom: -28px;
    right: calc(50% - 10px);
    font-size: 22px;
  }
  .scenario-card {
    padding: 26px;
  }
  .scenario-card h3 {
    font-size: 21px;
  }
  .faq-list summary {
    font-size: 17px;
    gap: 12px;
  }
  .faq-list summary::before {
    font-size: 22px;
    flex-basis: 22px;
  }
  .faq-list details {
    padding-block: 20px;
  }
  .faq-list details p {
    margin: 16px 5px 0 34px;
    font-size: 15px;
  }
  .related-card {
    padding: 25px;
  }
  .form-wrap {
    padding: 28px 22px;
    border-radius: 14px;
  }
  .company-table > div {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 0;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
  }
  .footer-logo {
    width: 260px;
  }
  .certifications .pmark {
    width: 64px;
  }
  .certifications .isms {
    width: 116px;
  }
  .footer-links {
    gap: 18px;
    font-size: 12px;
    flex-wrap: wrap;
  }
  .back-to-top {
    width: 42px;
    height: 42px;
    bottom: 14px;
    right: 14px;
  }
}
@media (max-width: 360px) {
  .brand,
  .brand img {
    width: 122px;
    flex-basis: 122px;
  }
  .header-button {
    padding-inline: 11px;
    font-size: 11px;
  }

  .section-heading h2 {
    font-size: 25px;
  }
  .problem-card {
    grid-template-columns: 56px 1fr;
    gap: 12px;
    padding: 20px;
  }
  .problem-card .icon {
    width: 56px;
  }
}

@media (max-width: 1100px) {
  .pricing-plans {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 680px) {
  .hero-service-brand {
    width: 100%;
    margin-inline: auto;
  }
  .pricing-plans {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .price-plan-head {
    min-height: 0;
    padding: 22px;
  }
  .price-plan-head h3 {
    font-size: 21px;
  }
  .price-plan-subtitle {
    font-size: 13px;
  }
  .price-plan-body {
    padding: 25px;
  }
  .price-plan .price-amount {
    font-size: 28px;
  }
  .price-unit {
    font-size: 16px;
  }
  .price-plan ul {
    font-size: 15px;
  }
}
@media (max-width: 360px) {
  .price-plan .price-amount {
    font-size: 24px;
  }
  .price-unit {
    font-size: 14px;
  }
}