/* ====================================================
   WebSys – スクロールアニメーション & プロ演出
   EC・Webシステムページ向け
   ==================================================== */

/* ─── 基本：非表示状態 ─── */
.ws-anim {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.ws-anim.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── バリエーション ─── */
.ws-anim--left {
  transform: translateX(-50px);
}
.ws-anim--left.is-visible {
  transform: translateX(0);
}

.ws-anim--right {
  transform: translateX(50px);
}
.ws-anim--right.is-visible {
  transform: translateX(0);
}

.ws-anim--scale {
  transform: scale(0.92);
}
.ws-anim--scale.is-visible {
  transform: scale(1);
}

.ws-anim--fade {
  transform: none;
}
.ws-anim--fade.is-visible {
  opacity: 1;
}

/* ─── 子要素の連鎖ディレイ（カードが順番に現れる） ─── */
.ws-stagger > * { transition-delay: 0s; }
.ws-stagger > *:nth-child(1) { transition-delay: 0s; }
.ws-stagger > *:nth-child(2) { transition-delay: 0.12s; }
.ws-stagger > *:nth-child(3) { transition-delay: 0.24s; }
.ws-stagger > *:nth-child(4) { transition-delay: 0.36s; }
.ws-stagger > *:nth-child(5) { transition-delay: 0.48s; }
.ws-stagger > *:nth-child(6) { transition-delay: 0.60s; }

/* ─── セクションタイトルの下線アニメーション ─── */
.ws-anim-title {
  position: relative;
}
.ws-anim-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary, #0d6efd), var(--accent, #ff7d00));
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}
.ws-anim-title.is-visible::after {
  width: 80px;
}

/* ─── カードの強化ホバー ─── */
.strength,
.service-card,
.flow-step,
.price-card,
.fit {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.strength:hover,
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.flow-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.1);
}

/* ─── ヒーローの文字フェードイン ─── */
.hero .hero__title {
  animation: heroFadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}
.hero .hero__lead {
  animation: heroFadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}
.hero .hero__cta,
.hero .hero-btn,
.hero .btn {
  animation: heroFadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.5s both;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── CTA ボタンのパルス効果 ─── */
.btn--primary {
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13, 110, 253, 0.25);
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: none;
}

.btn--primary:hover::after {
  animation: btnShine 0.6s ease forwards;
}

@keyframes btnShine {
  to {
    transform: translateX(100%);
  }
}

/* ─── FAQ アコーディオンの滑らか開閉 ─── */
.faq-list details {
  transition: box-shadow 0.3s, border-color 0.3s;
}
.faq-list details[open] {
  border-color: var(--primary, #0d6efd);
  box-shadow: 0 4px 16px rgba(13, 110, 253, 0.08);
}
.faq-list details summary {
  transition: color 0.2s;
}
.faq-list details[open] summary {
  color: var(--primary, #0d6efd);
}

/* ─── フロー番号のカウントアップ風パルス ─── */
.flow-step::before {
  transition: transform 0.3s, background 0.3s;
}
.flow-step:hover::before {
  transform: scale(1.15);
  background: var(--accent, #ff7d00);
}

/* ─── POINT ラベルのスライドイン ─── */
.strength::before {
  transition: opacity 0.4s 0.3s, transform 0.4s 0.3s;
}
.ws-anim .strength::before {
  opacity: 0;
  transform: translateX(-50%) translateY(-8px);
}
.ws-anim.is-visible .strength::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── 料金カードのおすすめ強調 ─── */
.pc--recommended {
  border: 2px solid var(--primary, #0d6efd);
  box-shadow: 0 8px 24px rgba(13, 110, 253, 0.12);
}

/* ─── estimate-table の行ホバー ─── */
.estimate-table tr {
  transition: background 0.2s;
}
.estimate-table tbody tr:hover {
  background: #f0f7ff;
}

/* ─── セクション区切りグラデーション ─── */
.section + .section--soft,
.section--soft + .section {
  position: relative;
}

/* ─── アニメーション無効化（アクセシビリティ） ─── */
@media (prefers-reduced-motion: reduce) {
  .ws-anim,
  .ws-anim--left,
  .ws-anim--right,
  .ws-anim--scale,
  .ws-anim--fade {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .hero .hero__title,
  .hero .hero__lead,
  .hero .hero__cta,
  .hero .hero-btn,
  .hero .btn {
    animation: none !important;
  }
  .btn--primary::after {
    display: none;
  }
}