.bsj-product-faq {
  --bsj-faq-color: #172333;
  --bsj-faq-muted: #637083;
  --bsj-faq-accent: #145fbd;
  --bsj-faq-border: #edf1f5;
  box-sizing: border-box;
  margin-top: clamp(44px, 5vw, 64px);
  padding-top: clamp(30px, 3vw, 38px);
  border-top: 1px solid #e9edf2;
  scroll-margin-top: 110px;
}

.bsj-product-faq,
.bsj-product-faq * {
  box-sizing: border-box;
}

.bsj-product-faq__header {
  margin: 0 0 clamp(22px, 2.5vw, 30px);
}

.bsj-product-faq__header h2 {
  margin: 0;
  color: var(--bsj-faq-color);
  font-size: clamp(21px, 1.55vw, 23px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.bsj-product-faq__list {
  overflow: hidden;
  border: 1px solid var(--bsj-faq-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(23, 35, 51, 0.025);
  counter-reset: bsj-faq-item;
}

.bsj-product-faq__item {
  position: relative;
  counter-increment: bsj-faq-item;
  background: #fff;
  transition: background-color 220ms ease, box-shadow 220ms ease;
}

.bsj-product-faq__item + .bsj-product-faq__item::before {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 22px;
  left: 22px;
  height: 1px;
  background: var(--bsj-faq-border);
  content: "";
}

.bsj-product-faq__item.is-open {
  background: linear-gradient(100deg, rgba(20, 95, 189, 0.052), rgba(20, 95, 189, 0.012) 56%, transparent);
  box-shadow: inset 3px 0 0 rgba(20, 95, 189, 0.72);
}

.bsj-product-faq__question {
  margin: 0;
  font-size: inherit;
}

.bsj-product-faq__trigger {
  display: grid;
  width: 100%;
  min-height: 64px;
  grid-template-columns: 23px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  border: 0;
  background: transparent;
  color: var(--bsj-faq-color);
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease;
}

.bsj-product-faq__trigger::before {
  color: #9aa6b4;
  content: counter(bsj-faq-item, decimal-leading-zero);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.1em;
  line-height: 1;
}

.bsj-product-faq__trigger:hover {
  background: rgba(244, 247, 250, 0.72);
}

.bsj-product-faq__item.is-open .bsj-product-faq__trigger {
  color: #103f7f;
}

.bsj-product-faq__trigger:focus-visible {
  position: relative;
  z-index: 2;
  outline: 3px solid rgba(20, 95, 189, 0.32);
  outline-offset: -3px;
}

.bsj-product-faq__trigger svg {
  width: 32px;
  height: 32px;
  padding: 8px;
  border: 1px solid #e2e8ef;
  border-radius: 50%;
  background: #f7f9fb;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1), background-color 180ms ease, border-color 180ms ease;
}

.bsj-product-faq__trigger:hover svg,
.bsj-product-faq__trigger[aria-expanded="true"] svg {
  border-color: rgba(20, 95, 189, 0.2);
  background: rgba(20, 95, 189, 0.08);
}

.bsj-product-faq__trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.bsj-product-faq__panel {
  overflow: hidden;
  transition: height 300ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
}

.bsj-product-faq__panel[hidden] { display: none; }

.bsj-product-faq__answer {
  max-width: 82ch;
  padding: 0 67px 19px 58px;
  color: var(--bsj-faq-muted);
  font-size: 14px;
  line-height: 1.7;
}

.bsj-product-faq__answer > :first-child { margin-top: 0; }
.bsj-product-faq__answer > :last-child { margin-bottom: 0; }

@media (max-width: 767px) {
  .bsj-product-faq { scroll-margin-top: 92px; }
  .bsj-product-faq__header { margin-bottom: 20px; }
  .bsj-product-faq__list { border-radius: 15px; box-shadow: 0 7px 20px rgba(23, 35, 51, 0.022); }
  .bsj-product-faq__item + .bsj-product-faq__item::before { right: 14px; left: 14px; }
  .bsj-product-faq__trigger {
    min-height: 60px;
    grid-template-columns: minmax(0, 1fr) 30px;
    gap: 12px;
    padding: 13px 14px;
    font-size: 14px;
  }
  .bsj-product-faq__trigger::before { display: none; }
  .bsj-product-faq__trigger svg { width: 30px; height: 30px; padding: 7px; }
  .bsj-product-faq__answer { padding: 0 56px 17px 14px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .bsj-product-faq__item,
  .bsj-product-faq__trigger,
  .bsj-product-faq__trigger svg,
  .bsj-product-faq__panel { transition: none; }
}