/* Design D — SEO/content reinforcement. Kept separate for easy rollback. */
.design-d .d-clients {
  padding: 26px 0 38px;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}
.design-d .d-clients-label { color: #687c90; font-size: 12px; white-space: nowrap; }
.design-d .d-client-marquee {
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.design-d .d-client-logo-track {
  width: max-content;
  display: flex;
  animation: d-client-marquee 26s linear infinite;
}
.design-d .d-client-logos {
  min-width: max-content;
  display: flex;
  align-items: center;
}
.design-d .d-client-logo {
  width: 164px;
  flex: 0 0 164px;
  min-height: 62px;
  padding: 8px 18px;
  display: grid;
  place-items: center;
  border-left: 1px solid var(--d-line);
}
.design-d .d-client-logo:first-child { border-left: 0; }
.design-d .d-client-logo img { width: auto; max-width: 100%; height: auto; max-height: 43px; object-fit: contain; }
.design-d .d-client-100yen img { max-height: 52px; }
.design-d .d-client-brand-hatch img { max-height: 52px; }
.design-d .d-client-name strong { color: var(--d-navy); font-size: 17px; line-height: 1.45; text-align: center; }
.design-d a.d-client-logo:hover { opacity: .7; }
.design-d .d-client-marquee:hover .d-client-logo-track,
.design-d .d-client-marquee:focus-within .d-client-logo-track { animation-play-state: paused; }
@keyframes d-client-marquee { to { transform: translateX(-50%); } }
html[data-motion-paused="true"] .design-d .d-client-logo-track { animation-play-state: paused; }

.design-d #about .d-about-catch {
  margin: 18px 0 0;
  color: var(--d-navy);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.04em;
}

.design-d #experts .d-supervisor-panel {
  margin-top: clamp(64px, 7vw, 96px);
  padding-top: clamp(38px, 5vw, 58px);
  border-top: 1px solid #536c85;
}
.design-d #experts .d-supervisor-intro {
  margin-bottom: 34px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 26px 68px;
  align-items: end;
}
.design-d #experts .d-supervisor-intro .section-label { grid-column: 1 / -1; margin: 0; }
.design-d #experts .d-supervisor-intro h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.35;
  letter-spacing: -.035em;
}
.design-d #experts .d-supervisor-intro > p:last-child { margin: 0; color: #c9d4df; font-size: 16px; line-height: 1.9; }
.design-d #experts .d-supervisor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid #536c85;
}
.design-d #experts .d-supervisor-grid article {
  min-height: 245px;
  padding: 30px 32px !important;
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  color: #fff;
  background: rgba(255,255,255,.035) !important;
  border: 0 !important;
  border-right: 1px solid #536c85 !important;
  border-bottom: 1px solid #536c85 !important;
  border-radius: 0 !important;
}
.design-d #experts .d-supervisor-grid article:nth-child(even) { border-right: 0 !important; }
.design-d #experts .d-supervisor-grid article > img {
  width: 112px;
  height: 112px;
  object-fit: cover;
  object-position: center;
  background: #e8eff6;
  border: 3px solid rgba(255,255,255,.18);
  border-radius: 50%;
  filter: saturate(.88) contrast(.98);
}
.design-d #experts .d-supervisor-copy { min-width: 0; }
.design-d #experts .d-supervisor-copy > span { color: #f3a276; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.design-d #experts .d-supervisor-grid h4 { margin: 15px 0 6px; color: #fff; font-size: 25px; }
.design-d #experts .d-supervisor-grid strong { display: block; color: #fff; font-size: 15px; line-height: 1.65; }
.design-d #experts .d-supervisor-grid p { margin: 20px 0 5px; color: #e2e8ee; font-size: 15px; line-height: 1.7; }
.design-d #experts .d-supervisor-grid small { color: #aebdca; font-size: 12px; line-height: 1.65; }
.design-d #experts .d-supervisor-links { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 14px 36px; }
.design-d #experts .d-supervisor-links a { padding-bottom: 5px; color: #fff; border-bottom: 1px solid #72879b; font-size: 14px; font-weight: 800; }
.design-d #experts .d-supervisor-links span { margin-left: 8px; color: #f3a276; }
.design-d #experts .d-supervisor-note { margin: 20px 0 0; color: #93a7ba; font-size: 11px; line-height: 1.7; }

.design-d #ai .section-heading .d-ai-catch {
  margin: 22px auto 8px;
  color: var(--d-navy) !important;
  font-size: clamp(22px, 2.3vw, 30px) !important;
  font-weight: 800;
  line-height: 1.5;
}
.design-d #ai .section-heading .d-ai-catch + p { margin-top: 12px; }
.design-d #ai .d-ai-detail-link { margin-top: 26px; text-align: center; }
.design-d #ai .d-ai-detail-link a { padding-bottom: 7px; color: var(--d-navy); border-bottom: 1px solid var(--d-navy); font-size: 14px; font-weight: 800; }
.design-d #ai .d-ai-detail-link span { margin-left: 8px; color: var(--d-orange); }

.design-d .d-company {
  padding-block: clamp(76px, 7vw, 112px);
  color: var(--d-ink);
  background: var(--d-navy) !important;
}
.design-d .d-company .container { width: min(1180px, calc(100% - 48px)); }
.design-d .d-company-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(52px, 8vw, 120px); align-items: start; }
.design-d .d-company .section-heading { margin: 0; }
.design-d .d-company .section-label { margin-bottom: 15px; color: #f3a276; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.design-d .d-company .section-heading h2 { margin: 0; color: #fff; font-size: clamp(34px, 4vw, 52px); line-height: 1.32; letter-spacing: -.045em; }
.design-d .d-company .section-heading h2 span { display: block; }
.design-d .d-company-body { padding: 34px 38px; background: #fff; border-radius: var(--d-radius); }
.design-d .d-company-lead { margin: 0 0 28px; color: var(--d-navy); font-size: 19px; font-weight: 700; line-height: 1.8; }
.design-d .d-company dl { margin: 0 0 25px; }
.design-d .d-company dl > div { padding: 14px 0; display: grid; grid-template-columns: 115px 1fr; gap: 22px; border-top: 1px solid var(--d-line); }
.design-d .d-company dt { color: var(--d-muted); font-size: 13px; }
.design-d .d-company dd { margin: 0; color: var(--d-ink); font-size: 15px; font-weight: 700; }

.design-d .resources .d-resource-link { color: inherit; }
.design-d .resources .d-resource-link:hover p { color: var(--d-orange); }

@media (max-width: 760px) {
  .design-d .d-clients { width: min(100% - 32px, 1180px); padding-block: 24px 30px; grid-template-columns: 1fr; gap: 16px; }
  .design-d .d-clients-label { width: auto; text-align: center; }
  .design-d .d-client-marquee { width: 100%; }
  .design-d .d-client-logo { width: 142px; flex-basis: 142px; min-height: 64px; padding: 10px 14px; }
  .design-d #experts .d-supervisor-intro,
  .design-d .d-company-grid { grid-template-columns: 1fr; }
  .design-d #experts .d-supervisor-intro { gap: 22px; }
  .design-d #experts .d-supervisor-grid { grid-template-columns: 1fr; }
  .design-d #experts .d-supervisor-grid article,
  .design-d #experts .d-supervisor-grid article:nth-child(even) { min-height: 0; border-right: 0 !important; }
  .design-d .d-company { padding-block: 76px; }
  .design-d .d-company .container { width: min(100% - 32px, 1180px); }
  .design-d .d-company-body { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .design-d #about .d-about-catch { font-size: 26px; }
  .design-d #experts .d-supervisor-grid article { padding: 26px 22px !important; grid-template-columns: 82px minmax(0, 1fr); gap: 18px; align-items: start; }
  .design-d #experts .d-supervisor-grid article > img { width: 82px; height: 82px; }
  .design-d .d-company .container { width: calc(100% - 28px); }
  .design-d .d-company dl > div { grid-template-columns: 90px 1fr; gap: 14px; }
}