@charset "UTF-8";

/* =========================================================
   佐隆板金住宅リフォーム - FAQページ (faq.css)
   v2: アコーディオンの質感・開閉アニメーション強化
   ========================================================= */

.faq { max-width: 860px; }

.faq-list { display: flex; flex-direction: column; gap: 16px; }

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.faq-item:hover { border-color: var(--moss-soft); }
.faq-item.is-open {
  box-shadow: var(--shadow-sm);
  border-color: var(--moss-soft);
}

.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 26px 30px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.0rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text);
  line-height: 1.6;
  transition: color 0.3s var(--ease);
}
.faq-item__q:hover { color: var(--color-accent); }
.faq-item__mark {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--en);
  font-size: 1.1rem;
  border-radius: 50%;
  color: var(--color-accent);
  border: 1px solid var(--color-accent-soft);
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}
.faq-item.is-open .faq-item__q .faq-item__mark {
  background: var(--color-accent);
  color: #fff;
}
.faq-item__mark--a {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.faq-item__text { flex: 1; }

.faq-item__icon {
  flex-shrink: 0;
  position: relative;
  width: 16px;
  height: 16px;
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--color-accent-soft);
  transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}
.faq-item__icon::before { top: 50%; left: 0; width: 16px; height: 1.5px; transform: translateY(-50%); }
.faq-item__icon::after { left: 50%; top: 0; width: 1.5px; height: 16px; transform: translateX(-50%); }
.faq-item.is-open .faq-item__icon::before { transform: translateY(-50%) rotate(180deg); background: var(--color-accent); }
.faq-item.is-open .faq-item__icon::after { transform: translateX(-50%) scaleY(0); }

.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease);
}
.faq-item__a-inner {
  display: flex;
  gap: 18px;
  padding: 4px 30px 28px;
  align-items: flex-start;
  position: relative;
}
/* QとAの間の仕切り */
.faq-item__a-inner::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 30px;
  right: 30px;
  height: 1px;
  background: var(--color-border);
}
.faq-item__a-inner { padding-top: 22px; }
.faq-item__a-inner p {
  flex: 1;
  font-size: 0.92rem;
  color: var(--color-text-soft);
  padding-top: 5px;
}

@media (max-width: 560px) {
  .faq-item__q { padding: 19px 18px; gap: 12px; font-size: 0.94rem; }
  .faq-item__mark { width: 30px; height: 30px; font-size: 0.95rem; }
  .faq-item__a-inner { padding: 18px 18px 22px; gap: 12px; }
  .faq-item__a-inner::before { left: 18px; right: 18px; }
}