/* ==========================================================================
   FV スライダー — NYC Editorial
   ========================================================================== */

.fv-slider {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  background: #111;
  outline: none;
}

/* ── スライドトラック ── */
.fv-slider__track {
  position: absolute;
  inset: 0;
}

.fv-slider__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.fv-slider__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* ── 背景画像（Ken Burns） ── */
.fv-slider__bg {
  position: absolute;
  inset: -5%;
  overflow: hidden;
}

.fv-slider__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.fv-slider__slide.is-active .fv-slider__img {
  animation: kenburns 9s ease-out forwards;
}

@keyframes kenburns {
  0%   { transform: scale(1.07); }
  100% { transform: scale(1.0); }
}

/* ── オーバーレイ（左から濃く） ── */
.fv-slider__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.80) 0%,
    rgba(0,0,0,0.55) 50%,
    rgba(0,0,0,0.30) 100%
  );
}

/* ── 赤いアクセントライン（左端） ── */
.fv-slider::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--color-accent);
  z-index: 5;
}

/* ── コンテンツエリア ── */
.fv-slider__content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding-inline: var(--space-16);
  z-index: 4;
}

.fv-slider__content-inner {
  max-width: 820px;
  width: 100%;
}

/* ── 赤いラベル ── */
.fv-slider__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-en-display);
  font-size: var(--text-sm);
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s 0.2s ease, transform 0.7s 0.2s ease;
}

.fv-slider__eyebrow::before {
  content: '';
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--color-accent);
}

/* ── メインキャッチ（Bebas Neue） ── */
.fv-slider__catch {
  font-family: var(--font-ja-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s 0.35s ease, transform 0.7s 0.35s ease;
}

/* ── 英語サブテキスト ── */
.fv-slider__sub {
  font-family: var(--font-en-display);
  font-size: clamp(1rem, 2.5vw, var(--text-xl));
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-10);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s 0.5s ease, transform 0.7s 0.5s ease;
}

/* ── CTAボタン群 ── */
.fv-slider__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.7s 0.65s ease, transform 0.7s 0.65s ease;
}

/* アクティブスライドでコンテンツをアニメーション */
.fv-slider__slide.is-active .fv-slider__eyebrow,
.fv-slider__slide.is-active .fv-slider__catch,
.fv-slider__slide.is-active .fv-slider__sub,
.fv-slider__slide.is-active .fv-slider__actions {
  opacity: 1;
  transform: translateY(0);
}


/* ── 矢印ナビゲーション ── */
.fv-slider__prev,
.fv-slider__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  border-radius: 0;
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
}

.fv-slider__prev { left: var(--space-8); }
.fv-slider__next { right: var(--space-8); }

.fv-slider__prev:hover,
.fv-slider__next:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  transform: translateY(-50%) scale(1.05);
}


/* ── ドット ── */
.fv-slider__dots {
  position: absolute;
  bottom: var(--space-8);
  left: var(--space-16);
  z-index: 10;
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.fv-slider__dot {
  width: 32px;
  height: 2px;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), width var(--transition-base);
  padding: 0;
  border-radius: 0;
}

.fv-slider__dot.is-active {
  width: 56px;
  background: var(--color-accent);
}

.fv-slider__dot:hover:not(.is-active) {
  background: rgba(255,255,255,0.6);
}


/* ── スクロールヒント ── */
.fv-slider__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  right: var(--space-10);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  animation: scrollHintFade 2.5s ease-in-out infinite;
}

.fv-slider__scroll-text {
  font-family: var(--font-en-display);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-rl;
}

.fv-slider__scroll-line {
  display: block;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 2.5s ease-in-out infinite;
}

@keyframes scrollHintFade {
  0%,100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}