/* ============================================================
   Blue Academy - teachers.css (Teachers 一覧ページ専用)
   ============================================================
   依存: base.css, layout.css, components.css, page.css
   読み込み: is_page_template('page-teachers.php') 時のみ
   ============================================================ */

/* ============ Intro Section ============ */
.teachers-intro {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
}
.teachers-intro-text {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  line-height: 1.75;
  letter-spacing: -0.01em;
  max-width: 1000px;
}
.teachers-intro-text .blue { color: var(--blue); }
.teachers-intro-tagline {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-transform: uppercase;
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.teachers-intro-tagline::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--blue);
}

/* ============ Teacher List (Rows) ============ */
.teacher-list { display: flex; flex-direction: column; }
.teacher-row {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.teacher-row-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}
/* 偶数行は左右反転 */
.teacher-row:nth-child(even) .teacher-row-inner {
  grid-template-columns: 1fr 380px;
}
.teacher-row:nth-child(even) .teacher-row-photo-side { order: 2; }
.teacher-row:nth-child(even) .teacher-row-info       { order: 1; }

.teacher-row-photo-side {
  position: sticky;
  top: 100px;
}
.teacher-row-photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--soft-bg);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.teacher-row-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: saturate(0.9) contrast(1.03);
}
.teacher-row-photo .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  background:
    repeating-linear-gradient(135deg, transparent 0, transparent 14px, rgba(0,102,255,0.06) 14px, rgba(0,102,255,0.06) 15px),
    var(--soft-bg);
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.teacher-row-photo .placeholder::before {
  content: "";
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--blue);
  border-radius: 50%;
}

.teacher-row-num {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.teacher-row-role {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.teacher-row-name {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 4px;
}
.teacher-row-name-en {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 32px;
  text-transform: uppercase;
}

.teacher-row-bio {
  border-top: 2px solid var(--ink);
  padding-top: 24px;
  margin-bottom: 32px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
  font-weight: 700;
}
.teacher-row-desc {
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
  font-weight: 500;
  max-width: 720px;
}
.teacher-row-desc p { margin-bottom: 18px; }
.teacher-row-desc p:last-child { margin-bottom: 0; }
.teacher-row-desc strong { color: var(--blue); font-weight: 700; }

/* ============ Empty State ============ */
.teacher-empty {
  padding: 120px 0;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .teacher-row-inner,
  .teacher-row:nth-child(even) .teacher-row-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .teacher-row:nth-child(even) .teacher-row-photo-side { order: 0; }
  .teacher-row:nth-child(even) .teacher-row-info       { order: 0; }
  .teacher-row-photo-side { position: static; }
  .teacher-row-photo { max-width: 380px; }
}