/* ==============================================
   wa-base.css — CSS 変数・リセット補助・共通レイアウト
   ============================================== */

/* プリロードフォント hint */
@font-face {
  font-display: swap;
}

/* ==============================================
   共通セクション
   ============================================== */
.wa-section {
  padding: 80px 0;
}

.wa-section--sm {
  padding: 48px 0;
}

.wa-section--lg {
  padding: 120px 0;
}

.wa-section--surface {
  background-color: var(--color-surface);
}

/* ==============================================
   スクリーンリーダー専用テキスト
   ============================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==============================================
   区切り線・区切りスペース
   ============================================== */
.wa-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 48px 0;
}

.wa-spacer { display: block; }
.wa-spacer--sm { height: 24px; }
.wa-spacer--md { height: 48px; }
.wa-spacer--lg { height: 80px; }

/* ==============================================
   ボタン共通
   ============================================== */
.wa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}

.wa-btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.wa-btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.wa-btn--fill {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.wa-btn--fill:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.wa-btn--accent {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}

.wa-btn--accent:hover {
  background: #9e4d2e;
  border-color: #9e4d2e;
  color: #fff;
}

/* ==============================================
   タグ・カテゴリーラベル
   ============================================== */
.wa-tag {
  display: inline-block;
  padding: 2px 10px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 2px;
  text-transform: uppercase;
}

.wa-tag--accent {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ==============================================
   フェードアップアニメーション
   ============================================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.wa-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.wa-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* アニメーション遅延 */
.wa-fade-up:nth-child(1) { transition-delay: 0s;     }
.wa-fade-up:nth-child(2) { transition-delay: 0.08s;  }
.wa-fade-up:nth-child(3) { transition-delay: 0.16s;  }
.wa-fade-up:nth-child(4) { transition-delay: 0.24s;  }
.wa-fade-up:nth-child(5) { transition-delay: 0.32s;  }
.wa-fade-up:nth-child(6) { transition-delay: 0.40s;  }

/* ==============================================
   ページネーション
   ============================================== */
.wa-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 48px 0 80px;
}

.wa-pagination a,
.wa-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}

.wa-pagination a:hover,
.wa-pagination span.current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.wa-pagination .wa-prev,
.wa-pagination .wa-next {
  width: auto;
  padding: 0 16px;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

/* ==============================================
   パンくずリスト
   ============================================== */
.wa-breadcrumb {
  padding: 16px 0;
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

.wa-breadcrumb a {
  color: var(--color-muted);
}

.wa-breadcrumb a:hover {
  color: var(--color-primary);
}

.wa-breadcrumb__sep {
  margin: 0 6px;
}

/* ==============================================
   レスポンシブ
   ============================================== */
@media (max-width: 767px) {
  .wa-section         { padding: 48px 0; }
  .wa-section--lg     { padding: 64px 0; }
  .container          { padding: 0 16px; }
}