/* ============================================================
   kosen-faq.css — 高専生向けFAQ（kosen固有オーバーライド）
   共通スタイルは css/common/faq-base.css に集約済み。
   kosen は5問のため d1–d5 で完結。
   K3カラートーン調整: 共通FAQベースのgoldアクセント→シアンに上書き
   ============================================================ */

/* --- Eyebrow: gold → cyan --- */
.kosen-faq .faq-base__eyebrow {
  color: #00BCD4;
}

/* --- Open state: gold border/shadow → cyan --- */
.kosen-faq .faq-base__item.is-open {
  border-color: rgba(0, 188, 212, 0.3);
  box-shadow: 0 4px 20px rgba(0, 188, 212, 0.08);
}

/* --- Question hover: gold → cyan --- */
.kosen-faq .faq-base__question:hover {
  background: rgba(0, 188, 212, 0.04);
}

/* --- Question focus: gold → cyan --- */
.kosen-faq .faq-base__question:focus-visible {
  outline: 2px solid #00BCD4;
}

/* --- Toggle icon: gold gradient → cyan --- */
.kosen-faq .faq-base__toggle {
  background: linear-gradient(135deg, #00BCD4, #26C6DA);
}

/* --- Toggle open state: gold → cyan --- */
.kosen-faq .faq-base__item.is-open .faq-base__toggle {
  color: #00BCD4;
}