/* ============================================================
   animation.css — スクロールリビール・ヒーロー演出
   ============================================================ */

/* ---- Scroll reveal (JSでis-visibleを付与) ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- 左右からのスライドイン（サービス2プランなど、対で見せたい要素） ---- */
.reveal--left  { transform: translateX(-34px); }
.reveal--right { transform: translateX(34px); }
.reveal--left.is-visible,
.reveal--right.is-visible { transform: translateX(0); }

/* ---- Hero eyebrow: 差し色の細線を伴う ---- */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.hero-eyebrow::before {
  content: "";
  width: 42px;
  height: 1px;
  background: var(--c-accent);
}

/* ---- Hero scroll indicator: 光が流れる ---- */
.hero-scroll .scroll-line { position: relative; }
.hero-scroll .scroll-line::after {
  content: "";
  position: absolute;
  top: -46px; left: 0;
  width: 100%; height: 46px;
  background: linear-gradient(180deg, transparent, #fff);
  animation: scrollFlow 2.2s var(--ease) infinite;
}
@keyframes scrollFlow {
  0%   { transform: translateY(0); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(92px); opacity: 0; }
}

/* ---- Hero gradient: 微かな揺らぎ ---- */
.hero-gradient {
  animation: gradientDrift 14s ease-in-out infinite alternate;
}
@keyframes gradientDrift {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.5%, 1.5%); }
}

/* ---- Count-up: 数字が確定した瞬間の微弾み ---- */
.count.is-done {
  animation: countPop 0.45s var(--ease);
}
@keyframes countPop {
  0%   { transform: translateY(4px); }
  60%  { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

/* ---- v6: 両輪モチーフ画像のフェードイン ---- */
@keyframes motifFadeIn {
  from { opacity: 0; }
  to   { opacity: 0.8; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .hero-scroll .scroll-line::after,
  .hero-gradient,
  .hero-motif { animation: none; }
}