/* =========================================================
   MDT Product Detail Pages
========================================================= */

.mdt-product-page {
  --mdt-text: #111;
  --mdt-sub: #555;
  --mdt-line: rgba(17, 17, 17, 0.08);
  --mdt-bg-soft: #f7f8fa;
  --mdt-max: 1120px;
  color: var(--mdt-text);
  background: #fff;
  font-family: "Inter", "Noto Sans JP", sans-serif;
}

.mdt-product-page * {
  box-sizing: border-box;
}

.mdt-product-hero,
.mdt-product-section,
.mdt-product-cta,
.mdt-product-faq {
  padding-left: 20px;
  padding-right: 20px;
}

.mdt-product-hero {
  padding-top: calc(var(--mdt-header-h-pc, 50px) + 56px);
  padding-bottom: 56px;
  border-bottom: 1px solid var(--mdt-line);
  background: #fff;
}

.mdt-product-hero__inner,
.mdt-product-section__inner,
.mdt-product-cta__inner,
.mdt-product-faq__inner {
  max-width: var(--mdt-max);
  margin: 0 auto;
}

.mdt-product-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
}

.mdt-product-title {
  margin: 0 0 16px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  font-weight: 800;
}

.mdt-product-lead {
  max-width: 820px;
  margin: 0;
  color: var(--mdt-sub);
  font-size: 16px;
  line-height: 1.9;
}

.mdt-product-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.mdt-product-meta__item,
.mdt-product-card,
.mdt-product-step,
.mdt-product-usecase {
  border: 1px solid var(--mdt-line);
  border-radius: 16px;
  background: #fff;
}

.mdt-product-meta__item {
  padding: 16px;
}

.mdt-product-meta__label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #777;
}

.mdt-product-meta__value {
  font-size: 14px;
  line-height: 1.8;
}

.mdt-product-section {
  padding-top: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--mdt-line);
}

.mdt-product-section--soft {
  background: var(--mdt-bg-soft);
}

.mdt-product-section-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.25;
  font-weight: 800;
}

.mdt-product-section-lead {
  max-width: 820px;
  margin: 0 0 28px;
  color: var(--mdt-sub);
  font-size: 15px;
  line-height: 1.9;
}

.mdt-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.mdt-product-card {
  padding: 22px;
}

.mdt-product-card h3,
.mdt-product-step h3,
.mdt-product-usecase h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.5;
}

.mdt-product-card p,
.mdt-product-card li,
.mdt-product-step p,
.mdt-product-usecase p,
.mdt-product-faq p {
  margin: 0;
  color: var(--mdt-sub);
  font-size: 14px;
  line-height: 1.9;
}

.mdt-product-card ul {
  margin: 0;
  padding-left: 1.2em;
}

.mdt-product-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.mdt-product-step {
  padding: 20px 18px;
}

.mdt-product-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.mdt-product-usecases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mdt-product-usecase {
  padding: 20px 18px;
}

.mdt-product-faq {
  padding-top: 56px;
  padding-bottom: 56px;
}

.mdt-product-faq details {
  border-top: 1px solid var(--mdt-line);
  padding: 16px 0;
}

.mdt-product-faq details:last-child {
  border-bottom: 1px solid var(--mdt-line);
}

.mdt-product-faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  line-height: 1.7;
}

.mdt-product-faq summary::-webkit-details-marker {
  display: none;
}

.mdt-product-faq p {
  margin-top: 10px;
}

.mdt-product-cta {
  padding-top: 64px;
  padding-bottom: 64px;
  background: #111;
  color: #fff;
}

.mdt-product-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.25;
}

.mdt-product-cta p {
  max-width: 760px;
  margin: 0 0 24px;
  color: rgba(255,255,255,0.82);
  line-height: 1.9;
  font-size: 15px;
}

.mdt-product-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: #fff;
  color: #111;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.mdt-product-note {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.8;
  color: #777;
}

@media (max-width: 1024px) {
  .mdt-product-meta,
  .mdt-product-grid,
  .mdt-product-steps,
  .mdt-product-usecases {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .mdt-product-hero {
    padding-top: calc(var(--mdt-header-h-mob, 46px) + 42px);
    padding-bottom: 44px;
  }

  .mdt-product-hero,
  .mdt-product-section,
  .mdt-product-cta,
  .mdt-product-faq {
    padding-left: 16px;
    padding-right: 16px;
  }

  .mdt-product-meta,
  .mdt-product-grid,
  .mdt-product-steps,
  .mdt-product-usecases {
    grid-template-columns: 1fr;
  }
}