.cluster-page {
  --cluster-color: #2d6cdf;
  color: #1d2935;
}

.cluster-ai-teleapo { --cluster-color: #2d6cdf; }
.cluster-ai-call-center { --cluster-color: #16806a; }
.cluster-ai-instant-call { --cluster-color: #b85c24; }
.cluster-ai-phone-reception { --cluster-color: #7048a8; }

.cluster-page-hero {
  width: 100%;
  background: #f4f9ff url("hero/ai-phone-hero-pc.webp") right 42% center / cover no-repeat;
}

.cluster-ai-teleapo .cluster-page-hero { background-image: url("hero/ai-teleapo-hero.webp"); }
.cluster-ai-call-center .cluster-page-hero { background-image: url("hero/ai-call-center-hero.webp"); }
.cluster-ai-instant-call .cluster-page-hero { background-image: url("hero/ai-instant-call-hero.webp"); }
.cluster-ai-phone-reception .cluster-page-hero { background-image: url("hero/ai-phone-reception-hero.webp"); }

.page-shell > main.cluster-page.cluster-page > .cluster-page-hero.cluster-page-hero {
  width: 100% !important;
  inline-size: 100% !important;
  max-width: none !important;
  max-inline-size: none !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.cluster-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
  background: linear-gradient(
    90deg,
    rgba(247, 251, 255, 0.98) 0%,
    rgba(235, 246, 249, 0.96) 34%,
    rgba(238, 247, 251, 0.82) 48%,
    rgba(243, 249, 252, 0.46) 58%,
    rgba(247, 251, 255, 0) 72%
  );
  pointer-events: none;
}

.cluster-page-hero { position: relative; overflow: hidden; }
.cluster-page-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 64px));
  min-height: 410px;
  margin: 0 auto;
  padding: 34px 0 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.cluster-page-hero .breadcrumb { width: 100%; margin: 0 0 auto; padding: 0; }
.cluster-page-hero-inner > p { margin: 42px 0 10px; color: var(--cluster-color); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.cluster-page-hero-inner h1 { max-width: 700px; margin: 0; font-size: clamp(36px, 4vw, 50px); line-height: 1.35; text-wrap: balance; }
.cluster-page-hero-inner > span { display: block; max-width: 680px; margin-top: 18px; color: #526576; font-size: 16px; line-height: 1.85; }

.cluster-local-nav {
  position: relative;
  z-index: 8;
  width: min(1200px, calc(100% - 64px));
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 4px 30px;
  padding: 14px 0;
  border-bottom: 1px solid #d8e1e8;
  background: rgba(255, 255, 255, .96);
}

.cluster-local-nav a { padding: 8px 2px; color: #526576; font-size: 14px; font-weight: 700; }
.cluster-local-nav a.is-current { color: var(--cluster-color); box-shadow: inset 0 -3px 0 var(--cluster-color); }

.cluster-content {
  width: min(1200px, calc(100% - 64px));
  margin: 0 auto;
  padding: 80px 0;
}

.cluster-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.section-kicker { margin: 0 0 10px; color: var(--cluster-color); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.cluster-intro h2, .cluster-heading h2 { margin: 0; font-size: clamp(28px, 3vw, 38px); line-height: 1.45; text-wrap: balance; }
.cluster-keep-word { white-space: nowrap; }
.cluster-intro > div > p:last-child, .cluster-heading > p:last-child { margin: 18px 0 0; color: #607080; font-size: 16px; line-height: 1.85; }

.cluster-path-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #d8e1e8; border-left: 1px solid #d8e1e8; }
.cluster-path-grid a { min-height: 130px; padding: 24px; border-right: 1px solid #d8e1e8; border-bottom: 1px solid #d8e1e8; }
.cluster-path-grid strong, .cluster-path-grid span { display: block; }
.cluster-path-grid strong { color: var(--cluster-color); font-size: 19px; }
.cluster-path-grid span { margin-top: 8px; color: #607080; font-size: 14px; line-height: 1.65; }

.cluster-heading { width: 100%; max-width: none; margin-bottom: 38px; }
.cluster-hub-summary,
.cluster-hub-workflow,
.cluster-hub-cases,
.cluster-hub-faq { padding-top: 44px; }

.cluster-hub-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #d8e1e8;
  border-bottom: 1px solid #d8e1e8;
}

.cluster-hub-summary-grid article {
  padding: 28px;
  border-right: 1px solid #d8e1e8;
}

.cluster-hub-summary-grid article:last-child { border-right: 0; }
.cluster-hub-summary-grid h3 { margin: 0; font-size: 20px; line-height: 1.5; }
.cluster-hub-summary-grid p { margin: 12px 0 0; color: #607080; font-size: 14px; line-height: 1.8; }

.cluster-hub-workflow-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid #d8e1e8;
  border-bottom: 1px solid #d8e1e8;
  list-style: none;
}

.cluster-hub-workflow-list li { min-width: 0; padding: 26px; border-right: 1px solid #d8e1e8; }
.cluster-hub-workflow-list li:last-child { border-right: 0; }
.cluster-hub-workflow-list span { color: var(--cluster-color); font-size: 13px; font-weight: 800; }
.cluster-hub-workflow-list h3 { margin: 12px 0 0; font-size: 19px; line-height: 1.5; }
.cluster-hub-workflow-list p { margin: 10px 0 0; color: #607080; font-size: 14px; line-height: 1.75; }

.axis-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #d8e1e8; border-left: 1px solid #d8e1e8; }
.axis-grid article { min-height: 326px; padding: 24px; border-right: 1px solid #d8e1e8; border-bottom: 1px solid #d8e1e8; }
.axis-illustration { display: block; width: 112px; height: 112px; object-fit: contain; }
.guide-step-list > article > span, .case-flow-grid > article > span { color: var(--cluster-color); font-size: 13px; font-weight: 800; }
.axis-grid h3 { margin: 16px 0 0; font-size: 19px; line-height: 1.55; }
.axis-grid p { margin: 12px 0 0; color: #607080; font-size: 13px; line-height: 1.75; }

.cluster-service-preview {
  padding-top: 36px;
}

.cluster-service-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #d8e1e8;
  border-bottom: 1px solid #d8e1e8;
}

.cluster-service-preview-grid article {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 28px;
  border-right: 1px solid #d8e1e8;
}

.cluster-service-preview-grid article:last-child { border-right: 0; }
.cluster-service-preview-grid h3 { margin: 0; font-size: 22px; line-height: 1.45; }
.cluster-service-preview-grid > article > p { margin: 12px 0 20px; color: #607080; font-size: 14px; line-height: 1.75; }
.cluster-service-preview-grid dl { margin: 0 0 24px; }
.cluster-service-preview-grid dl div { padding: 12px 0; border-top: 1px solid #e5ebef; }
.cluster-service-preview-grid dt { color: #607080; font-size: 12px; font-weight: 700; }
.cluster-service-preview-grid dd { margin: 5px 0 0; font-size: 14px; line-height: 1.65; }
.cluster-service-preview-grid a { margin-top: auto; color: var(--cluster-color); font-size: 14px; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.cluster-preview-more { margin: 20px 0 0; text-align: right; }
.cluster-preview-more a { color: var(--cluster-color); font-weight: 800; }

.cluster-hub-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #d8e1e8;
  border-bottom: 1px solid #d8e1e8;
}

.cluster-hub-case-grid article { min-width: 0; border-right: 1px solid #d8e1e8; }
.cluster-hub-case-grid article:last-child { border-right: 0; }
.cluster-case-photo { display: block; width: 100%; height: auto; aspect-ratio: 12 / 7; object-fit: cover; }
.cluster-case-content { padding: 24px 28px 28px; }
.cluster-case-content > span { color: var(--cluster-color); font-size: 12px; font-weight: 800; }
.cluster-hub-case-grid h3 { margin: 12px 0 0; font-size: 20px; line-height: 1.5; }
.cluster-case-content > p { margin: 12px 0 22px; color: #607080; font-size: 14px; line-height: 1.8; }
.cluster-hub-case-grid dl { margin: 0; padding-top: 16px; border-top: 1px solid #e5ebef; }
.cluster-hub-case-grid dt { color: #607080; font-size: 12px; font-weight: 700; }
.cluster-hub-case-grid dd { margin: 6px 0 0; font-size: 14px; line-height: 1.7; }

.cluster-decision-flow {
  padding-top: 36px;
}

.cluster-decision-flow ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: hub-step;
  border-top: 1px solid #d8e1e8;
}

.cluster-decision-flow li {
  display: grid;
  grid-template-columns: 62px minmax(220px, .7fr) minmax(0, 1.3fr);
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid #d8e1e8;
  counter-increment: hub-step;
}

.cluster-decision-flow li::before {
  content: "0" counter(hub-step);
  color: var(--cluster-color);
  font-size: 13px;
  font-weight: 800;
}

.cluster-decision-flow li strong { font-size: 18px; line-height: 1.55; }
.cluster-decision-flow li span { color: #607080; font-size: 14px; line-height: 1.75; }
.cluster-decision-links { display: flex; flex-wrap: wrap; gap: 14px 32px; margin-top: 26px; }
.cluster-decision-links a { color: var(--cluster-color); font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }

.cluster-hub-faq-list { border-top: 1px solid #d8e1e8; }
.cluster-hub-faq-list details { border-bottom: 1px solid #d8e1e8; }
.cluster-hub-faq-list summary { padding: 22px 4px; color: #1d2935; font-size: 17px; line-height: 1.6; font-weight: 800; cursor: pointer; }
.cluster-hub-faq-list details p { max-width: 900px; margin: 0; padding: 0 4px 24px 28px; color: #607080; font-size: 14px; line-height: 1.85; }
.cluster-hub-final-actions { display: flex; flex-wrap: wrap; gap: 14px 32px; margin-top: 28px; }
.cluster-hub-final-actions a { color: var(--cluster-color); font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }

.cluster-compare-scroll { overflow-x: auto; border: 1px solid #d8e1e8; border-radius: 8px; }
.cluster-compare-table { width: max(100%, 1050px); border-collapse: separate; border-spacing: 0; font-size: 14px; line-height: 1.65; }
.cluster-compare-table th, .cluster-compare-table td { min-width: 220px; padding: 18px; border-right: 1px solid #d8e1e8; border-bottom: 1px solid #d8e1e8; vertical-align: top; text-align: left; }
.cluster-compare-table th:first-child { position: sticky; left: 0; z-index: 2; min-width: 190px; background: #f5f8fa; }
.cluster-compare-table thead th { border-bottom: 2px solid #aebdca; background: #fff; color: #1d2935; }
.cluster-compare-table thead th:first-child { z-index: 3; }
.cluster-compare-table tbody tr:last-child > * { border-bottom: 0; }
.cluster-compare-table tr > *:last-child { border-right: 0; }
.cluster-compare-table a { color: var(--cluster-color); font-weight: 800; }
.cluster-compare-table a span { display: block; margin-top: 5px; font-size: 12px; font-weight: 500; }
.table-note { margin: 16px 0 0; color: #607080; font-size: 13px; line-height: 1.7; }

.cluster-service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cluster-service-listing > .cluster-heading,
.cluster-service-listing .service-category-heading { max-width: none; }
.cluster-service-listing > .cluster-heading > p:last-child,
.cluster-service-listing .service-category-heading p { max-width: 900px; }
.cluster-service-grid article { display: flex; flex-direction: column; padding: 30px; border: 1px solid #d8e1e8; border-radius: 10px; }
.cluster-service-grid h2 { margin: 0; font-size: 24px; }
.cluster-service-grid > article > p { color: #607080; line-height: 1.8; }
.cluster-service-grid dl { margin: 12px 0 24px; }
.cluster-service-grid dl div { padding: 14px 0; border-top: 1px solid #e5ebef; }
.cluster-service-grid dt { color: #607080; font-size: 12px; font-weight: 700; }
.cluster-service-grid dd { margin: 5px 0 0; line-height: 1.7; }
.cluster-service-grid a { margin-top: auto; color: var(--cluster-color); font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.service-category-section + .service-category-section { margin-top: 64px; }
.service-category-heading { max-width: 780px; margin-bottom: 24px; padding-top: 18px; border-top: 1px solid #d8e1e8; }
.service-category-heading h3 { margin: 0; font-size: 25px; line-height: 1.5; }
.service-category-heading p { margin: 8px 0 0; color: #607080; font-size: 14px; line-height: 1.75; }
.service-listing-tier { margin: 0 0 9px !important; padding-left: 9px; border-left: 3px solid var(--cluster-color); color: var(--cluster-color) !important; font-size: 12px; font-weight: 800; line-height: 1.5 !important; }

.guide-step-list { border-top: 1px solid #d8e1e8; }
.guide-step-list article { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid #d8e1e8; }
.guide-step-list h2 { margin: 0; font-size: 22px; }
.guide-step-list p { margin: 8px 0 0; color: #607080; line-height: 1.8; }
.cluster-next { margin-top: 48px; padding: 34px 40px; border: 1px solid #d8e1e8; border-radius: 10px; background: #f5f8fa; }
.cluster-next h2 { margin: 0; font-size: 25px; }
.cluster-next p { margin: 8px 0 20px; color: #607080; }
.cluster-next .primary-button { width: auto; min-width: 170px; padding: 0 20px; }

.case-flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-flow-grid article { display: flex; flex-direction: column; padding: 28px; border: 1px solid #d8e1e8; border-radius: 10px; background: #f5f8fa; }
.case-flow-grid h2 { margin: 12px 0; font-size: 22px; line-height: 1.5; }
.case-flow-grid p { margin: 0 0 24px; color: #607080; line-height: 1.8; }
.case-flow-grid a { margin-top: auto; color: var(--cluster-color); font-weight: 800; }

.service-detail-hero {
  border-bottom: 1px solid #d8e1e8;
  background: linear-gradient(135deg, #f5f8fa 0%, #fff 68%);
}
.page-shell > main.service-index-page.service-index-page > .service-index-hero.service-index-hero,
.page-shell > main.service-detail-page.service-detail-page > .service-detail-hero.service-detail-hero {
  width: 100% !important;
  inline-size: 100% !important;
  max-width: none !important;
  max-inline-size: none !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}
.service-detail-hero > div {
  width: min(1200px, calc(100% - 64px));
  margin: 0 auto;
  padding: 34px 0 64px;
}
.service-detail-hero .breadcrumb {
  width: 100% !important;
  inline-size: 100% !important;
  max-width: none !important;
  max-inline-size: none !important;
  margin: 0 0 52px !important;
  padding: 0;
}
.service-detail-hero p { margin: 0 0 10px; color: #2d6cdf; font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.service-detail-hero h1 { margin: 0; font-size: clamp(36px, 4vw, 50px); line-height: 1.35; text-wrap: balance; }
.service-detail-hero > div > span { display: block; max-width: 760px; margin-top: 18px; color: #526576; font-size: 16px; line-height: 1.85; }
.service-detail-content { padding-top: 70px; }
.product-search-form { display: grid; grid-template-columns: minmax(260px, 1.5fr) minmax(180px, .8fr) minmax(220px, 1fr) auto; gap: 18px; align-items: end; margin: 0 0 18px; padding: 24px; border: 1px solid #d8e1e8; background: #f8fafc; }
.product-search-form label { display: block; margin-bottom: 7px; color: #34495e; font-size: 12px; font-weight: 800; }
.product-search-form input, .product-search-form select { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #b9c8d5; border-radius: 4px; background: #fff; color: #1d2935; font: inherit; }
.product-search-form input:focus, .product-search-form select:focus { outline: 3px solid rgba(45, 108, 223, .2); border-color: #2d6cdf; }
.product-search-actions { display: flex; align-items: center; gap: 12px; min-height: 46px; }
.product-search-actions button { min-height: 46px; padding: 0 22px; border: 0; border-radius: 4px; background: #2d6cdf; color: #fff; font: inherit; font-weight: 800; cursor: pointer; white-space: nowrap; }
.product-search-actions a { color: #2d6cdf; font-size: 13px; font-weight: 800; white-space: nowrap; text-decoration: underline; text-underline-offset: 3px; }
.product-search-result, .product-search-notice { margin: 0 0 40px; color: #526576; font-size: 14px; line-height: 1.7; }
.product-search-notice { padding-left: 12px; border-left: 4px solid #b85c24; }
.product-search-empty { margin: 0; padding: 32px; border: 1px solid #d8e1e8; background: #fff; }
.product-search-empty h2 { margin: 0; font-size: 22px; }
.product-search-empty p { margin: 10px 0 18px; color: #607080; line-height: 1.75; }
.product-search-empty a { color: #2d6cdf; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.service-facts-heading { margin-top: 72px; }
.service-overview-section { margin-top: 72px; }
.service-overview-section .service-facts-heading { max-width: none; margin: 0 0 30px; }
.service-overview-body {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, .85fr);
  gap: 52px;
  align-items: start;
}
.service-overview-description { margin: 0; color: #607080; font-size: 16px; line-height: 1.95; }
.service-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  border: 1px solid #d8e1e8;
  background: #fff;
}
.service-overview-grid > div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  min-width: 0;
  padding: 16px 18px;
  border-bottom: 1px solid #e3e9ee;
  background: #fff;
}
.service-overview-grid > div:last-child { border-bottom: 0; }
.service-overview-grid dt { margin: 2px 0 0; color: #71808e; font-size: 12px; font-weight: 800; line-height: 1.5; }
.service-overview-grid dd { margin: 0; color: #1d2935; font-size: 15px; font-weight: 700; line-height: 1.65; overflow-wrap: anywhere; }
.service-spec-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.service-spec-group { min-width: 0; padding: 28px 30px; border: 1px solid #d8e1e8; background: #fff; }
.service-spec-group h3 { margin: 0 0 18px; color: #1d2935; font-size: 20px; line-height: 1.5; }
.service-spec-list { margin: 0; }
.service-spec-list > div { padding: 15px 0; border-top: 1px solid #e3e9ee; }
.service-spec-list dt { margin: 0 0 6px; color: #71808e; font-size: 12px; font-weight: 800; line-height: 1.5; }
.service-spec-list dd { margin: 0; color: #405365; font-size: 14px; line-height: 1.8; }
.service-capability-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; margin: 0; padding: 0; list-style: none; }
.service-capability-list li { position: relative; padding: 12px 0 12px 17px; border-top: 1px solid #e3e9ee; color: #405365; font-size: 14px; line-height: 1.6; }
.service-capability-list li::before { position: absolute; top: 21px; left: 0; width: 5px; height: 5px; border-radius: 50%; background: #71808e; content: ""; }
.service-spec-availability { display: grid; gap: 6px; margin-top: 14px; padding-top: 15px; border-top: 1px solid #e3e9ee; }
.service-spec-availability strong { color: #526576; font-size: 12px; line-height: 1.5; }
.service-spec-availability span { color: #71808e; font-size: 13px; line-height: 1.7; }
.service-spec-note { display: grid; grid-template-columns: 90px 1fr; gap: 16px; margin: 24px 0 0; padding: 18px 20px; border: 1px solid #d8e1e8; color: #526576; font-size: 14px; line-height: 1.75; }
.service-spec-note strong { color: #1d2935; }
.service-spec-disclosure { margin: 22px 0 0; color: #607080; font-size: 13px; line-height: 1.8; }
.service-spec-disclosure a { color: #2d6cdf; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.service-editorial-comment { padding: 38px 42px; border: 1px solid #d8e1e8; background: #f3f7fb; }
.service-editorial-comment .section-kicker { margin: 0 0 8px; color: #2d6cdf; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.service-editorial-comment h2 { margin: 0 0 20px; color: #1d2935; font-size: 28px; line-height: 1.5; }
.service-editorial-comment > p:not(.section-kicker) { max-width: none; margin: 0; color: #405365; font-size: 16px; line-height: 1.95; }
.service-editorial-comment > p + p { margin-top: 12px; }
.service-editorial-caution { display: grid; grid-template-columns: 180px 1fr; gap: 18px; margin-top: 24px; padding-top: 22px; border-top: 1px solid #cfdae4; color: #526576; line-height: 1.8; }
.service-editorial-caution strong { color: #1d2935; }
.cluster-next .service-related-comparisons { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 22px 0 0; padding-top: 20px; border-top: 1px solid #d8e1e8; font-size: 14px; }
.service-related-comparisons strong { color: #1d2935; }
.service-related-comparisons a { color: #2d6cdf; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.service-index-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-index-grid article { display: flex; flex-direction: column; padding: 30px; border: 1px solid #d8e1e8; border-radius: 10px; }
.service-index-grid h2 { margin: 0; font-size: 24px; }
.service-index-grid article > p { color: #607080; line-height: 1.8; }
.service-cluster-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 24px; }
.service-cluster-tags a { padding: 5px 10px; border-radius: 999px; background: #edf3ff; color: #2d6cdf; font-size: 12px; font-weight: 800; }
.service-detail-link { margin-top: auto; color: #2d6cdf; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.service-scope-note { margin: 24px 0 0; padding: 16px 18px; border-left: 4px solid #b85c24; background: #fff8f3; color: #526576; line-height: 1.75; }
.market-profile-note { margin: -8px 0 34px; padding: 18px 0; border-top: 1px solid #d8e1e8; border-bottom: 1px solid #d8e1e8; color: #526576; line-height: 1.8; }
.market-profile-note strong { color: #1d2935; }

@media (max-width: 900px) {
  .cluster-intro { grid-template-columns: 1fr; }
  .service-overview-body { grid-template-columns: 1fr; gap: 30px; }
  .axis-grid, .case-flow-grid { grid-template-columns: 1fr 1fr; }
  .cluster-hub-summary-grid, .cluster-hub-case-grid { grid-template-columns: 1fr; }
  .cluster-hub-summary-grid article, .cluster-hub-case-grid article { border-right: 0; border-bottom: 1px solid #d8e1e8; }
  .cluster-hub-summary-grid article:last-child, .cluster-hub-case-grid article:last-child { border-bottom: 0; }
  .cluster-hub-workflow-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cluster-hub-workflow-list li:nth-child(2) { border-right: 0; }
  .cluster-hub-workflow-list li:nth-child(-n + 2) { border-bottom: 1px solid #d8e1e8; }
  .cluster-service-preview-grid { grid-template-columns: 1fr; }
  .cluster-service-preview-grid article { border-right: 0; border-bottom: 1px solid #d8e1e8; }
  .cluster-service-preview-grid article:last-child { border-bottom: 0; }
  .product-search-form { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .cluster-page-hero { background-position: 68% bottom; }
  .cluster-page-hero::before {
    width: 100%;
    height: 100%;
    background: linear-gradient(
      180deg,
      rgba(247, 251, 255, 0.98) 0%,
      rgba(237, 247, 250, 0.97) 48%,
      rgba(241, 249, 251, 0.82) 60%,
      rgba(247, 251, 255, 0) 82%
    );
  }
  .cluster-page-hero-inner { width: calc(100% - 48px); min-height: 540px; padding-bottom: 190px; }
  .cluster-page-hero-inner > p { margin-top: 28px; }
  .cluster-page-hero-inner h1 { font-size: 33px; }
  .cluster-local-nav { position: static; width: calc(100% - 48px); justify-content: flex-start; gap: 4px 18px; overflow-x: auto; white-space: nowrap; }
  .cluster-content { width: calc(100% - 48px); padding: 60px 0; }
  .cluster-intro { gap: 36px; }
  .cluster-path-grid, .axis-grid, .cluster-service-grid, .case-flow-grid { grid-template-columns: 1fr; }
  .cluster-path-grid a, .axis-grid article { min-height: 0; }
  .axis-illustration { width: 96px; height: 96px; }
  .cluster-hub-summary,
  .cluster-hub-workflow,
  .cluster-hub-cases,
  .cluster-hub-faq { padding-top: 28px; }
  .cluster-hub-workflow-list { grid-template-columns: 1fr; }
  .cluster-hub-workflow-list li { border-right: 0; border-bottom: 1px solid #d8e1e8; }
  .cluster-hub-workflow-list li:last-child { border-bottom: 0; }
  .cluster-hub-faq-list summary { padding: 20px 0; font-size: 16px; }
  .cluster-hub-faq-list details p { padding-left: 0; }
  .guide-step-list article { grid-template-columns: 42px 1fr; }
  .cluster-decision-flow li { grid-template-columns: 42px 1fr; gap: 12px 16px; }
  .cluster-decision-flow li span { grid-column: 2; }
  .cluster-next { padding: 28px 24px; }
  .service-detail-hero > div { width: calc(100% - 48px); padding-bottom: 48px; }
  .service-detail-hero .breadcrumb { margin-bottom: 38px; }
  .service-detail-hero h1 { font-size: 30px; }
  .service-index-grid { grid-template-columns: 1fr; }
  .service-editorial-comment { padding: 30px 24px; }
  .service-editorial-comment h2 { font-size: 24px; }
  .service-editorial-caution { grid-template-columns: 1fr; gap: 8px; }
  .product-search-form { grid-template-columns: 1fr; padding: 20px; }
  .product-search-actions { flex-wrap: wrap; }
  .product-search-actions button { width: 100%; }
  .service-overview-grid > div { grid-template-columns: 104px minmax(0, 1fr); }
  .service-spec-groups { grid-template-columns: 1fr; }
  .service-spec-group { padding: 24px; }
  .service-capability-list { grid-template-columns: 1fr; }
  .service-spec-note { grid-template-columns: 1fr; gap: 6px; }
}

/* Faceted AI phone catalog */
.catalog-section { padding-top: 68px; }
.catalog-searchbar {
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: 20px;
  padding: 22px;
  border-radius: 8px;
}
.catalog-searchbar .product-search-actions { align-self: end; }
.catalog-applied { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 24px; }
.catalog-applied > span { margin-right: 4px; color: #526576; font-size: 13px; font-weight: 800; }
.catalog-applied a { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 6px 10px; border: 1px solid #bdcad5; border-radius: 4px; color: #34495e; font-size: 13px; font-weight: 700; }
.catalog-applied a:hover { border-color: #2d6cdf; color: #2d6cdf; }
.catalog-applied .catalog-clear { margin-left: 4px; border: 0; color: #2d6cdf; text-decoration: underline; text-underline-offset: 3px; }
.catalog-filter-toggle { display: none; }
.catalog-layout { display: grid; grid-template-columns: minmax(240px, 278px) minmax(0, 1fr); gap: 36px; align-items: start; }
.catalog-filters {
  position: sticky;
  top: 92px;
  height: var(--catalog-filter-available-height, calc(100vh - 112px));
  height: var(--catalog-filter-available-height, calc(100dvh - 112px));
  max-height: calc(100vh - 112px);
  max-height: calc(100dvh - 112px);
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
  border: 1px solid #d8e1e8;
  border-radius: 8px;
  background: #fff;
}
.catalog-filters form { display: grid; grid-template-rows: minmax(0, 1fr) auto; height: 100%; padding: 0; }
.catalog-filter-scroll {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
  padding: 0 20px;
}
.catalog-filter-group { min-width: 0; margin: 0; padding: 22px 0; border: 0; border-bottom: 1px solid #e3e9ee; }
.catalog-filter-group legend {
  float: left;
  width: 100%;
  margin: 0 0 12px;
  padding: 0;
  color: #1d2935;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 800;
}
.catalog-filter-group > div { clear: both; display: grid; gap: 2px; margin: 0; }
.catalog-filter-group--long > div { max-height: none; overflow: visible; padding-right: 0; }
.catalog-filter-group label { display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; gap: 8px; align-items: center; min-height: 40px; color: #34495e; font-size: 13px; line-height: 1.45; cursor: pointer; }
.catalog-filter-group label.is-disabled { color: #9aa7b2; cursor: default; }
.catalog-filter-group input { width: 17px; height: 17px; margin: 0; accent-color: #2d6cdf; }
.catalog-filter-group small { color: #71808e; font-size: 12px; font-variant-numeric: tabular-nums; }
.catalog-filter-actions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  padding: 13px 20px 16px;
  border-top: 1px solid #d8e1e8;
  background: #fff;
  box-shadow: 0 -10px 18px rgba(29, 41, 53, 0.06);
}
.catalog-filter-selection { margin: 0; color: #526576; font-size: 12px; line-height: 1.4; text-align: center; }
.catalog-filter-selection strong { margin-right: 3px; color: #1d2935; font-size: 15px; font-variant-numeric: tabular-nums; }
.catalog-filter-actions button { min-height: 46px; border: 0; border-radius: 4px; background: #2d6cdf; color: #fff; font: inherit; font-weight: 800; cursor: pointer; }
.catalog-filter-actions a { color: #2d6cdf; font-size: 13px; font-weight: 700; text-align: center; text-decoration: underline; text-underline-offset: 3px; }
.catalog-results { min-width: 0; }
.catalog-result-toolbar { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin: 0 0 22px; padding-bottom: 16px; border-bottom: 1px solid #d8e1e8; }
.catalog-result-toolbar .product-search-result { margin: 0; }
.catalog-result-toolbar .product-search-result strong { color: #1d2935; font-size: 24px; }
.catalog-result-toolbar form { display: flex; align-items: center; gap: 9px; }
.catalog-result-toolbar label { color: #526576; font-size: 13px; font-weight: 800; white-space: nowrap; }
.catalog-result-toolbar select { min-height: 42px; padding: 7px 34px 7px 10px; border: 1px solid #b9c8d5; border-radius: 4px; background: #fff; color: #1d2935; font: inherit; }
.catalog-page-notice { margin: 0 0 18px; padding-left: 12px; border-left: 4px solid #b85c24; color: #526576; font-size: 14px; }
.catalog-card-grid { gap: 20px; }
.service-index-grid.catalog-card-grid article { padding: 26px; border-radius: 8px; }
.catalog-card h2 { font-size: 22px; line-height: 1.5; }
.catalog-card .catalog-vendor { margin: 5px 0 14px; color: #526576; font-size: 13px; line-height: 1.6; }
.catalog-card > p:not(.service-listing-tier):not(.catalog-vendor):not(.catalog-source-date) { margin: 0 0 18px; font-size: 14px; line-height: 1.8; }
.catalog-card-facts { margin: 0 0 15px; border-top: 1px solid #e3e9ee; }
.catalog-card-facts > div { display: grid; grid-template-columns: 78px 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid #e3e9ee; font-size: 12px; line-height: 1.6; }
.catalog-card-facts dt { color: #71808e; font-weight: 700; }
.catalog-card-facts dd { margin: 0; color: #34495e; }
.catalog-capabilities { display: flex; flex-wrap: wrap; gap: 6px 12px; margin: 0 0 18px; }
.catalog-capabilities a { color: #2d6cdf; font-size: 12px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.catalog-source-date { margin: auto 0 14px; color: #71808e; font-size: 12px; line-height: 1.5; }
.catalog-pagination { display: flex; justify-content: center; align-items: center; gap: 20px; margin-top: 36px; padding-top: 24px; border-top: 1px solid #d8e1e8; }
.catalog-pagination a { min-width: 78px; color: #2d6cdf; font-weight: 800; text-align: center; text-decoration: underline; text-underline-offset: 4px; }
.catalog-pagination span { color: #526576; font-size: 14px; font-variant-numeric: tabular-nums; }
.catalog-results .product-search-notice { margin: 0; padding: 26px; border: 1px solid #e3c9b8; border-left: 5px solid #b85c24; background: #fff8f3; }
.catalog-results .product-search-notice h2 { margin: 0; font-size: 22px; }
.catalog-results .product-search-notice p { margin: 8px 0 16px; }
.catalog-results .product-search-notice a { color: #2d6cdf; font-weight: 800; text-decoration: underline; }

@media (max-width: 900px) {
  .catalog-filter-toggle { display: flex; justify-content: space-between; align-items: center; width: 100%; min-height: 50px; margin: 0 0 18px; padding: 0 18px; border: 1px solid #b9c8d5; border-radius: 5px; background: #fff; color: #1d2935; font: inherit; font-weight: 800; cursor: pointer; }
  .catalog-filter-toggle span { display: grid; place-items: center; min-width: 25px; height: 25px; border-radius: 50%; background: #2d6cdf; color: #fff; font-size: 12px; }
  .catalog-filter-toggle::after { content: "＋"; margin-left: auto; padding-left: 12px; color: #2d6cdf; font-size: 20px; }
  .catalog-filter-toggle.is-open::after { content: "−"; }
  .catalog-filter-toggle span + * { margin-left: 0; }
  .catalog-layout { grid-template-columns: 1fr; gap: 24px; }
  .catalog-filters {
    position: static;
    height: auto;
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
    scrollbar-gutter: auto;
  }
  .catalog-filters form { display: block; height: auto; }
  .catalog-filter-scroll { overflow: visible; padding: 0 20px; }
  .catalog-filter-actions { padding: 16px 20px 20px; box-shadow: none; }
  .catalog-enhanced .catalog-filters[hidden] { display: none; }
  .catalog-filter-group--long > div { max-height: none; }
}

@media (max-width: 760px) {
  .catalog-section { padding-top: 54px; }
  .catalog-searchbar { grid-template-columns: 1fr; padding: 18px; }
  .catalog-searchbar .product-search-actions { width: 100%; }
  .catalog-applied { margin-bottom: 20px; }
  .catalog-applied .catalog-clear { width: 100%; margin: 2px 0 0; padding-left: 0; justify-content: flex-start; }
  .catalog-result-toolbar { align-items: flex-start; flex-direction: column; }
  .catalog-result-toolbar form { width: 100%; justify-content: space-between; }
  .catalog-result-toolbar select { width: min(230px, 68vw); }
  .catalog-card-grid { grid-template-columns: 1fr; }
  .service-index-grid.catalog-card-grid article { padding: 22px; }
}