/* Shared look for: /product/ /simulation/ /case/ /flow/ */

.page-header {
  background: var(--color-primary-soft);
  padding: 40px 0 36px;
  border-bottom: 1px solid var(--color-line);
}
.page-header h1 { font-size: clamp(24px, 3.4vw, 34px); margin: 0 0 8px; }
.page-header p { color: var(--color-ink-soft); margin: 0; max-width: 60ch; }

.spec-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-m); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--color-line); }
.spec-table th { width: 34%; background: var(--color-primary-soft); color: var(--color-primary-dark); font-weight: 700; font-size: 14px; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

/* Simulation calculator */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.calc-form { display: flex; flex-direction: column; gap: 20px; }
.field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.field .hint { font-size: 12.5px; color: var(--color-ink-soft); margin-top: 6px; }
.field input[type="number"],
.field input[type="range"],
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-s);
  font-size: 15px;
  font-family: inherit;
  background: var(--color-surface);
}
.calc-result {
  position: sticky;
  top: 88px;
  background: var(--color-primary-dark);
  color: #fff;
  border-radius: var(--radius-m);
  padding: 28px;
}
.calc-result .label { font-size: 13px; color: #bcd2e8; margin-bottom: 6px; }
.calc-result .amount { font-size: 34px; font-weight: 700; font-variant-numeric: tabular-nums; margin-bottom: 4px; }
.calc-result .amount span { font-size: 16px; font-weight: 400; margin-left: 4px; }
.calc-result .note { font-size: 12.5px; color: #bcd2e8; margin-top: 16px; }
.calc-disclaimer { font-size: 12.5px; color: var(--color-ink-soft); margin-top: 20px; }

/* Case list / detail */
.case-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.case-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.case-filter button {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--color-line);
  background: var(--color-surface); font-size: 13.5px; font-weight: 600; cursor: pointer;
}
.case-filter button[aria-pressed="true"] { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.case-detail-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.case-detail-meta span {
  font-size: 12.5px; font-weight: 700; background: var(--color-primary-soft);
  color: var(--color-primary-dark); padding: 4px 12px; border-radius: 999px;
}
.case-photo { aspect-ratio: 16/9; background: var(--color-primary-soft); border-radius: var(--radius-m); display: flex; align-items: center; justify-content: center; color: var(--color-primary-dark); font-size: 13px; margin-bottom: 28px; }
.case-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 28px; }
.case-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-m); display: block; }
.case-voice {
  background: var(--color-primary-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-s);
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 15px;
}
.case-voice .who { display: block; margin-top: 10px; font-size: 13px; color: var(--color-ink-soft); font-weight: 700; }

/* Flow steps */
.flow-list { display: flex; flex-direction: column; gap: 0; }
.flow-item { display: grid; grid-template-columns: 88px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--color-line); }
.flow-item:last-child { border-bottom: none; }
.step-visual { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.step-visual .step-no {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--color-primary); color: #fff; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.step-visual .icon { width: 72px; height: 72px; object-fit: cover; border-radius: var(--radius-s); display: block; }
.step-body h3 { font-size: 18px; margin: 0 0 8px; }
.step-body p { color: var(--color-ink-soft); margin: 0; }
.flow-item .duration { display: inline-block; margin-top: 10px; font-size: 12.5px; font-weight: 700; color: var(--color-primary-dark); background: var(--color-primary-soft); padding: 3px 10px; border-radius: 999px; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-m); overflow: hidden; }
.faq-item summary {
  cursor: pointer; padding: 18px 22px; font-weight: 700; font-size: 15.5px;
  display: flex; gap: 14px; align-items: baseline; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q"; color: var(--color-primary); font-family: "SFMono-Regular", monospace; }
.faq-item .a { padding: 0 22px 20px 54px; color: var(--color-ink-soft); }

@media (max-width: 900px) {
  .calc { grid-template-columns: 1fr; }
  .calc-result { position: static; }
  .case-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .case-list { grid-template-columns: 1fr; }
  .flow-item { grid-template-columns: 40px 1fr; }
  .flow-item .step-no { width: 40px; height: 40px; font-size: 15px; }
}