/* ============================================================
   KOSEN INTERVIEW — 高専OBインタビュー（3名カード）
   背景: off-white (#F7F8FA)
   レイアウト: 3カラムグリッド → モバイル1カラム
   アクセント: ゴールド（var(--c-gold)）+ オレンジ（#E8672A）
   アニメーション: rvシステム（rv-left / rv-up + d1〜d3）
   z-index: var(--z-content, 10) 必須
   ============================================================ */

/* ---- Section Base ---- */
.kosen-interview {
  position: relative;
  z-index: var(--z-content, 10);
  background: var(--c-bg-section, #F7F8FA);
  padding: 96px var(--s-gutter, 32px);
  overflow: hidden;
}

/* ---- Container ---- */
.kosen-interview__container {
  max-width: var(--s-container, 1200px);
  margin: 0 auto;
}

/* ============================================================
   Section Header
   ============================================================ */
.kosen-interview__header {
  text-align: center;
  margin-bottom: 64px;
}

.kosen-interview__eyebrow {
  font-family: var(--f-label, 'Inter', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin: 0 0 12px;
}

.kosen-interview__title {
  font-family: var(--f-heading-ja, 'Noto Serif JP', serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  color: var(--c-text, #1A1A1A);
  margin: 0 0 16px;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.kosen-interview__accent-line {
  width: 48px;
  height: 3px;
  background: var(--c-gold);
  border-radius: 2px;
  margin: 0 auto;
}

/* ============================================================
   Card Grid
   ============================================================ */
.kosen-interview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* ============================================================
   Interview Card
   ============================================================ */
.kosen-interview__card {
  background: var(--c-bg, #FFFFFF);
  border-radius: 12px;
  padding: 36px 28px 32px;
  border: 1px solid var(--c-border-light, #F0F0F0);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)),
              box-shadow 0.3s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
  display: flex;
  flex-direction: column;
}

.kosen-interview__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   Avatar (CSS擬似アバター)
   ============================================================ */
.kosen-interview__avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-navy, #1E3A5F) 0%, var(--c-navy-light, #2B5A8F) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.2);
}

/* カードごとに色味を変える */
.kosen-interview__avatar--b {
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-light) 100%);
  box-shadow: 0 4px 16px rgba(201, 168, 76, 0.2);
}

.kosen-interview__avatar--c {
  background: linear-gradient(135deg, var(--c-orange, #E8672A) 0%, var(--c-orange-light, #F0834E) 100%);
  box-shadow: 0 4px 16px rgba(232, 103, 42, 0.2);
}

.kosen-interview__avatar-icon {
  font-size: 1.6rem;
  color: #FFFFFF;
  line-height: 1;
}

/* ============================================================
   Meta Tags
   ============================================================ */
.kosen-interview__meta {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.kosen-interview__tag {
  font-family: var(--f-label, 'Inter', sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-navy, #1E3A5F);
  background: rgba(30, 58, 95, 0.06);
  padding: 3px 10px;
  border-radius: 4px;
}

.kosen-interview__tag--role {
  color: var(--c-gold);
  background: rgba(201, 168, 76, 0.08);
}

.kosen-interview__tag--accent {
  color: var(--c-orange, #E8672A);
  background: rgba(232, 103, 42, 0.08);
}

/* ============================================================
   Name & Profile
   ============================================================ */
.kosen-interview__name {
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-text, #1A1A1A);
  text-align: center;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}

.kosen-interview__profile {
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--c-text-muted, #999999);
  text-align: center;
  margin: 0 0 24px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

/* ============================================================
   Q&A Block
   ============================================================ */
.kosen-interview__qa {
  margin-bottom: 16px;
}

.kosen-interview__qa:last-child {
  margin-bottom: 0;
}

.kosen-interview__q,
.kosen-interview__a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.kosen-interview__q {
  margin-bottom: 8px;
}

.kosen-interview__q p,
.kosen-interview__a p {
  margin: 0;
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.kosen-interview__q p {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text, #1A1A1A);
}

.kosen-interview__a p {
  font-size: 0.83rem;
  font-weight: 400;
  color: var(--c-text-light, #555555);
}

/* Q/A Labels */
.kosen-interview__q-label,
.kosen-interview__a-label {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-family: var(--f-label, 'Inter', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
  margin-top: 2px;
}

.kosen-interview__q-label {
  background: var(--c-navy, #1E3A5F);
  color: #FFFFFF;
}

.kosen-interview__a-label {
  background: rgba(201, 168, 76, 0.12);
  color: var(--c-gold);
}

/* ============================================================
   Note (仮テキスト注記)
   ============================================================ */
.kosen-interview__note {
  text-align: center;
  font-family: var(--f-body, 'Noto Sans JP', sans-serif);
  font-size: 0.78rem;
  color: var(--c-text-muted, #999999);
  margin: 40px 0 0;
  letter-spacing: 0.02em;
}

.kosen-interview__note i {
  margin-right: 6px;
  color: var(--c-gold);
}

/* .rv / .rv.is-visible / .rv.d1〜d3 は base.css に集約済み */

/* ============================================================
   Responsive: Tablet (1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .kosen-interview__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .kosen-interview__card {
    padding: 28px 22px 24px;
  }
}

/* ============================================================
   Responsive: Mobile (768px)
   ============================================================ */
@media (max-width: 768px) {
  .kosen-interview {
    padding: 72px 20px;
  }

  .kosen-interview__header {
    margin-bottom: 48px;
  }

  .kosen-interview__grid {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 480px;
    margin: 0 auto;
  }

  .kosen-interview__card {
    padding: 28px 24px 24px;
  }

  .kosen-interview__avatar {
    width: 64px;
    height: 64px;
  }

  .kosen-interview__avatar-icon {
    font-size: 1.4rem;
  }
}

/* ============================================================
   Responsive: Small Mobile (480px)
   ============================================================ */
@media (max-width: 480px) {
  .kosen-interview {
    padding: 56px 16px;
  }

  .kosen-interview__card {
    padding: 24px 20px 20px;
  }

  .kosen-interview__name {
    font-size: 0.95rem;
  }

  .kosen-interview__q p {
    font-size: 0.82rem;
  }

  .kosen-interview__a p {
    font-size: 0.8rem;
  }
}