.consulting-roles-section {
  padding: 72px 0 56px;
  border-top: 1px solid var(--line);
}

.consulting-role-grid,
.executive-responsibility,
.lifecycle-artifact-grid {
  display: grid;
  gap: 24px;
}

.consulting-role-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.consulting-role-card {
  padding: 26px 24px;
  border-top: 3px solid var(--rust);
  background: var(--white);
}

.consulting-role-card > span,
.executive-responsibility article > span,
.lifecycle-artifact-grid article > span {
  display: block;
  margin-bottom: 14px;
  color: var(--rust);
  font-size: 14px;
  font-weight: 700;
}

.consulting-role-card h3 { margin-bottom: 14px; }
.consulting-role-card p { margin-bottom: 0; color: var(--muted); }
.role-boundary { max-width: 900px; margin: 28px 0 0; color: var(--muted); }

.executive-responsibility {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 56px 0 24px;
}

.executive-responsibility article { padding-top: 20px; border-top: 2px solid var(--ink); }
.executive-responsibility h2 { margin-bottom: 14px; font-size: 30px; }
.executive-responsibility p { color: var(--muted); }

.lifecycle-artifacts { padding: 64px 0 40px; }
.lifecycle-artifact-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.lifecycle-artifact-grid article { padding-top: 18px; border-top: 2px solid var(--ink); }
.lifecycle-artifact-grid h3 { margin-bottom: 12px; font-size: 24px; }
.lifecycle-artifact-grid p { color: var(--muted); font-size: 15px; }

.contact-role-selector { margin: 28px 0; }
.contact-role-selector > p { margin-bottom: 16px; font-weight: 700; }
.contact-role-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.contact-role-grid button {
  display: flex;
  min-height: 112px;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
}
.contact-role-grid button strong { font-size: 18px; }
.contact-role-grid button span { color: var(--muted); font-size: 14px; line-height: 1.55; }
.contact-role-grid button[aria-pressed="true"] { border-color: var(--ink); background: var(--sage); }
.contact-role-grid button:focus-visible { outline: 3px solid var(--rust); outline-offset: 2px; }
.contact-outline { width: 100%; min-height: 220px; margin-top: 18px; padding: 16px; border: 1px solid var(--line); background: var(--white); color: var(--ink); }

@media (max-width: 1000px) {
  .lifecycle-artifact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .container { width: min(var(--max), calc(100% - 40px)); }
  .site-header {
    width: calc(100% - 32px);
    flex-wrap: wrap;
    gap: 12px 20px;
    padding: 16px 0 10px;
  }
  .brand { min-width: 0; }
  .header-contact { margin-left: auto; padding: 8px 12px; }
  .primary-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
  }
  .primary-nav ul { width: max-content; min-width: 100%; gap: 22px; }
  .primary-nav a { min-height: 44px; }

  .hero,
  .page-hero-grid,
  .about-hero,
  .about-chapter,
  .detail-hero,
  .section-heading,
  .sequence-heading,
  .sequence-detail,
  .career-detail,
  .experience-row,
  .capability-layout,
  .method-band,
  .career-strip,
  .tab-shell,
  .detail-layout,
  .credentials,
  .contact-path .contact-choice-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 28px;
  }

  .hero { padding: 42px 0 48px; }
  .hero-portrait { max-width: 540px; margin-inline: auto; }
  .hero-proof { grid-template-columns: minmax(0, 1fr) !important; }
  .hero-portrait figcaption { flex-wrap: wrap; }
  .section { padding: 56px 0; }
  .section-compact { padding: 40px 0; }
  .lead { font-size: 18px; }

  .consulting-roles-section { padding: 48px 0 36px; }
  .consulting-role-grid,
  .executive-responsibility,
  .lifecycle-artifact-grid,
  .three-perspectives,
  .credential-education,
  .credential-list,
  .case-index,
  .other-cases,
  .cta-grid,
  .industry-grid,
  .style-grid,
  .learning-list,
  .learning-list > div,
  .method-samples,
  .action-grid,
  .workflow,
  .product-story,
  .contact-role-grid,
  .project-journey-track {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .consulting-role-card { padding: 22px 20px; }
  .executive-responsibility { padding-top: 36px; }
  .lifecycle-artifacts { padding-top: 44px; }

  .sequence-track {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
  .sequence-track::before,
  .sequence-progress { display: none; }
  .sequence-item,
  .sequence-strategy .sequence-item:nth-child(2),
  .sequence-reuse .sequence-item:nth-child(2),
  .sequence-strategy .sequence-item:nth-child(4),
  .sequence-reuse .sequence-item:nth-child(4) {
    min-height: 76px;
    padding: 24px 16px 14px;
    border: 1px solid var(--line);
    background: var(--white);
    transform: none;
  }
  .sequence-item::before { top: 7px; left: 14px; width: 10px; height: 10px; }
  .sequence-detail { padding: 20px 0 4px 20px; }
  .sequence-detail .text-link { white-space: normal; }

  .career-route-stage { min-height: 0; overflow: visible; }
  .career-contours { display: none; }
  .career-route {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
  .career-route > li { position: static; }
  .career-node { width: 100%; min-height: 0; }
  .career-detail { margin-top: 24px; }

  .capability-map {
    display: grid;
    min-height: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .capability-links { display: none; }
  .capability-hub,
  .capability-node {
    position: static;
    width: auto;
    min-height: 110px;
    clip-path: none;
  }
  .capability-hub { display: flex; align-items: center; justify-content: center; }
  .capability-value { margin-top: 24px; }

  .home-capability-track { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .contact-path .contact-choice:nth-child(2) { margin-top: 0; }
  .contact-path .contact-guide { padding: 26px 22px; }
  .contact-path .guide-list li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .contact-steps { gap: 12px; }
  .contact-steps li { font-size: 13px; }
  .footer-inner { grid-template-columns: minmax(0, 1fr) !important; }
}

@media (max-width: 420px) {
  .home-capability-track,
  .capability-map { grid-template-columns: minmax(0, 1fr) !important; }
  .header-contact { font-size: 13px; }
  .contact-steps { grid-template-columns: minmax(0, 1fr); }
}