.case-hero {
  min-height: calc(90vh - 72px);
}

.case-hero .hero-content {
  width: min(900px, 100%);
}

.case-hero h1 {
  max-width: 900px;
  font-size: clamp(2.7rem, 5.9vw, 5rem);
}

.case-hero::after {
  opacity: 0.5;
}

.comparison-section,
.quality-section,
.planning-section {
  background: var(--black-2);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.compare-card,
.probe-example,
.deep-case,
.planning-card,
.adaptive-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.compare-card {
  padding: clamp(24px, 4vw, 42px);
}

.highlight-card {
  background:
    linear-gradient(135deg, rgba(38, 142, 202, 0.19), rgba(200, 0, 161, 0.08)),
    var(--panel);
  border-color: rgba(38, 142, 202, 0.48);
}

.compare-number {
  display: block;
  margin-bottom: 12px;
  color: var(--white);
  font-size: clamp(3rem, 7vw, 6.2rem);
  font-weight: 800;
  line-height: 0.95;
}

.highlight-card .compare-number {
  color: var(--blue-light);
}

.compare-card p,
.probe-example > p,
.deep-case p,
.planning-card p,
.adaptive-grid span,
.method-note,
.planning-copy {
  color: var(--muted);
}

.method-note {
  max-width: 920px;
  margin: 28px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--blue);
  background: rgba(38, 142, 202, 0.08);
}

.probing-section {
  background:
    radial-gradient(circle at 85% 12%, rgba(200, 0, 161, 0.13), transparent 28%),
    var(--black);
}

.probe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  align-items: stretch;
}

.probe-example {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3.2vw, 32px);
}

.probe-example h3 {
  min-height: 2.55em;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
}

.dialogue {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  flex: 1;
}

.speaker {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
}

.speaker strong {
  display: block;
  align-self: start;
  color: var(--white);
  font-size: 0.82rem;
  line-height: 1.45;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.speaker span {
  display: block;
  color: #e7edf2;
  line-height: 1.45;
}

.speaker.may {
  background: rgba(38, 142, 202, 0.13);
  border: 1px solid rgba(38, 142, 202, 0.24);
}

.speaker.respondent {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.probe-takeaway {
  margin: 20px 0 0 !important;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.quality-layout {
  align-items: start;
}

.adaptive-section {
  background: #080b0f;
}

.adaptive-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.adaptive-grid article {
  display: grid;
  gap: 8px;
  padding: 22px;
  border-top: 4px solid var(--blue);
}

.adaptive-grid article:nth-child(even) {
  border-top-color: var(--pink);
}

.adaptive-grid strong {
  font-size: 1.05rem;
}

.cases-detail {
  background: var(--black);
}

.deep-case {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: clamp(26px, 4vw, 50px);
  margin-top: 22px;
  padding: clamp(24px, 4vw, 44px);
  overflow: hidden;
}

.deep-case.detergent-case {
  background:
    linear-gradient(135deg, rgba(38, 142, 202, 0.12), transparent 42%),
    var(--panel);
}

.deep-case.skincare-case {
  background:
    linear-gradient(135deg, rgba(200, 0, 161, 0.12), transparent 42%),
    var(--panel);
}

.deep-case.beverage-case {
  background:
    linear-gradient(135deg, rgba(38, 142, 202, 0.1), rgba(200, 0, 161, 0.08)),
    var(--panel);
}

.deep-case h3 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.deep-case h4 {
  margin: 8px 0 16px;
  color: #dce8ef;
  font-size: 1.08rem;
  font-weight: 600;
}

.finding-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.finding-row div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
}

.finding-row strong {
  display: block;
  color: var(--blue-light);
  font-size: 2rem;
  line-height: 1;
}

.finding-row span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.86rem;
}

.insight-tags,
.use-cases {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 20px 0;
}

.insight-tags span,
.use-cases span {
  padding: 8px 11px;
  color: #dce6ed;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  font-size: 0.88rem;
}

.what-proves {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
  background: rgba(38, 142, 202, 0.07);
}

.deep-case blockquote {
  margin: 20px 0;
  padding: 18px 20px;
  color: var(--white);
  border-left: 3px solid var(--pink);
  background: rgba(200,0,161,0.08);
  font-size: 1.25rem;
  font-weight: 600;
}

.case-demo-panel {
  align-self: start;
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4,6,8,0.7);
  text-align: center;
}

.case-demo-panel img {
  width: 176px;
  height: 176px;
  padding: 8px;
  border-radius: 8px;
  background: #f6fafc;
}

.case-demo-panel .case-label {
  margin-bottom: 0;
}

.case-demo-panel p:last-child {
  margin: 0;
  font-size: 0.85rem;
}

.demo-panel-wide {
  width: 100%;
  max-width: 340px;
}

.planning-grid {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 390px);
  gap: clamp(34px, 6vw, 90px);
  align-items: start;
}

.planning-copy {
  max-width: 720px;
  margin-top: 18px;
  font-size: 1.08rem;
}

.planning-card {
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(38,142,202,0.17), rgba(200,0,161,0.12)),
    var(--panel);
}

.starting-price {
  display: block;
  margin-top: 8px;
  color: var(--white);
  font-size: clamp(2.7rem, 5vw, 4.2rem);
  line-height: 1;
}

.planning-card > span {
  display: block;
  margin: 6px 0 18px;
  color: var(--blue-light);
  font-weight: 700;
}

@media (max-width: 980px) {
  .compare-grid,
  .probe-grid,
  .deep-case,
  .planning-grid {
    grid-template-columns: 1fr;
  }

  .adaptive-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-demo-panel {
    grid-template-columns: 140px 1fr;
    justify-items: start;
    text-align: left;
    align-items: center;
  }

  .case-demo-panel .case-label,
  .case-demo-panel p:last-child {
    grid-column: 2;
  }

  .case-demo-panel img {
    grid-row: 1 / 4;
    width: 140px;
    height: 140px;
  }
}

@media (max-width: 620px) {
  .case-hero h1 {
    font-size: clamp(2.25rem, 10.2vw, 3.35rem);
  }

  .speaker {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px;
  }

  .adaptive-grid,
  .finding-row {
    grid-template-columns: 1fr;
  }

  .case-demo-panel {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .case-demo-panel .case-label,
  .case-demo-panel p:last-child,
  .case-demo-panel img {
    grid-column: 1;
    grid-row: auto;
  }
}