.sfx-layer-stage {
  position: absolute;
  z-index: -18;
  top: 50%;
  left: 50%;
  width: max(100vw, 150svh);
  aspect-ratio: 3 / 2;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 0.45s ease;
}

.sfx-layer-stage.is-ready { opacity: 1; }

.sfx-layer-object {
  position: absolute;
  top: var(--sfx-layer-y);
  left: var(--sfx-layer-x);
  display: block;
  width: var(--sfx-layer-width);
  height: var(--sfx-layer-height);
  object-fit: fill;
  pointer-events: none;
  user-select: none;
}

.hero.sfx-layer-pack-ready .scene { visibility: hidden; }
.hero.sfx-layer-pack-ready .scene-edge { opacity: 1; }

.sfx-layer-object--background {
  opacity: 1;
  transform: translate(var(--pack-underpaint-x, 0px), var(--pack-underpaint-y, 0px)) scale(1.035);
}

.sfx-layer-object--remainder {
  opacity: 0.16;
  mix-blend-mode: screen;
  transform: translate(var(--pack-sky-x, 0px), var(--pack-sky-y, 0px));
}

.sfx-layer-object--petals {
  transform: translate(var(--pack-petals-x, 0px), var(--pack-petals-y, 0px));
}

.sfx-layer-object--fireflies {
  opacity: var(--pack-fireflies-opacity, 0.92);
  transform: translate(var(--pack-fireflies-x, 0px), var(--pack-fireflies-y, 0px));
}

.sfx-layer-object--lantern-top-left {
  opacity: var(--pack-lantern-top-left-opacity, 0.98);
  transform-origin: 50% 4%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-lantern-top-left-x, 0px)), calc(var(--pack-front-y, 0px) + var(--pack-lantern-top-left-y, 0px))) rotate(var(--pack-lantern-top-left-r, 0deg));
}

.sfx-layer-object--lantern-top-right {
  opacity: var(--pack-lantern-top-right-opacity, 0.98);
  transform-origin: 50% 4%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-lantern-top-right-x, 0px)), calc(var(--pack-front-y, 0px) + var(--pack-lantern-top-right-y, 0px))) rotate(var(--pack-lantern-top-right-r, 0deg));
}

.sfx-layer-object--lantern-path-left {
  opacity: var(--pack-lantern-path-left-opacity, 0.98);
  transform-origin: 50% 5%;
  transform: translate(var(--pack-near-x, 0px), var(--pack-near-y, 0px)) rotate(var(--pack-lantern-path-left-r, 0deg));
}

.sfx-layer-object--lantern-path-right {
  opacity: var(--pack-lantern-path-right-opacity, 0.98);
  transform-origin: 50% 5%;
  transform: translate(var(--pack-near-x, 0px), var(--pack-near-y, 0px)) rotate(var(--pack-lantern-path-right-r, 0deg));
}

.sfx-layer-object--lantern-center {
  opacity: var(--pack-lantern-center-opacity, 0.98);
  transform-origin: 50% 5%;
  transform: translate(var(--pack-mid-x, 0px), calc(var(--pack-mid-y, 0px) + var(--pack-lantern-center-y, 0px))) rotate(var(--pack-lantern-center-r, 0deg));
}

.sfx-layer-object--moon {
  opacity: var(--pack-moon-opacity, 0.98);
  transform: translate(var(--pack-sky-x, 0px), var(--pack-sky-y, 0px));
}

.sfx-layer-object--castle {
  transform: translate(var(--pack-distant-x, 0px), var(--pack-distant-y, 0px));
}

.sfx-layer-object--torii {
  opacity: 0.34;
  mix-blend-mode: screen;
  transform: translate(var(--pack-torii-x, 0px), var(--pack-torii-y, 0px));
}

.sfx-layer-object--lake {
  opacity: 0.24;
  mix-blend-mode: screen;
  transform: translate(calc(var(--pack-mid-x, 0px) + var(--pack-water-x, 0px)), var(--pack-mid-y, 0px));
}

.sfx-layer-object--bridge {
  opacity: 0.2;
  mix-blend-mode: screen;
  transform: translate(var(--pack-mid-x, 0px), var(--pack-mid-y, 0px));
}

.sfx-layer-object--path {
  opacity: 0.1;
  mix-blend-mode: screen;
  transform: translate(var(--pack-near-x, 0px), var(--pack-near-y, 0px));
}

.sfx-layer-object--castle {
  opacity: 0.22;
  mix-blend-mode: screen;
}

.sfx-layer-object--foliage-left {
  transform-origin: 2% 83%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-foliage-left-x, 0px)), calc(var(--pack-front-y, 0px) + var(--pack-foliage-left-y, 0px))) rotate(var(--pack-foliage-left-r, 0deg));
}

.sfx-layer-object--foliage-right {
  transform-origin: 98% 83%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-foliage-right-x, 0px)), calc(var(--pack-front-y, 0px) + var(--pack-foliage-right-y, 0px))) rotate(var(--pack-foliage-right-r, 0deg));
}

.sfx-layer-object--bamboo-left {
  transform-origin: 3% 76%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-bamboo-left-x, 0px)), var(--pack-front-y, 0px)) rotate(var(--pack-bamboo-left-r, 0deg));
}

.sfx-layer-object--bamboo-right {
  transform-origin: 97% 76%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-bamboo-right-x, 0px)), var(--pack-front-y, 0px)) rotate(var(--pack-bamboo-right-r, 0deg));
}

.sfx-layer-object--sakura-left {
  filter: brightness(0.64) saturate(0.86) hue-rotate(8deg);
  transform-origin: 4% 18%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-sakura-left-x, 0px)), calc(var(--pack-front-y, 0px) + var(--pack-sakura-left-y, 0px))) rotate(var(--pack-sakura-left-r, 0deg)) scale(var(--pack-sakura-left-scale, 1));
}

.sfx-layer-object--sakura-right {
  filter: brightness(0.62) saturate(0.82) hue-rotate(10deg);
  transform-origin: 96% 18%;
  transform: translate(calc(var(--pack-front-x, 0px) + var(--pack-sakura-right-x, 0px)), calc(var(--pack-front-y, 0px) + var(--pack-sakura-right-y, 0px))) rotate(var(--pack-sakura-right-r, 0deg)) scale(var(--pack-sakura-right-scale, 1));
}

.motion-rich .sfx-layer-object--petals,
.motion-rich .sfx-layer-object--fireflies,
.motion-rich .sfx-layer-object--foliage-left,
.motion-rich .sfx-layer-object--foliage-right,
.motion-rich .sfx-layer-object--bamboo-left,
.motion-rich .sfx-layer-object--bamboo-right,
.motion-rich .sfx-layer-object--sakura-left,
.motion-rich .sfx-layer-object--sakura-right,
.motion-rich .sfx-layer-object--lantern-top-left,
.motion-rich .sfx-layer-object--lantern-top-right,
.motion-rich .sfx-layer-object--lantern-path-left,
.motion-rich .sfx-layer-object--lantern-path-right,
.motion-rich .sfx-layer-object--lantern-center,
.motion-rich .scene-edge {
  will-change: transform;
}

.sfx-world-fx {
  position: absolute;
  z-index: -6;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.sfx-world-fx > i {
  position: absolute;
  display: block;
  pointer-events: none;
}

.sfx-world-fx__lantern-glow {
  inset: -2%;
  opacity: var(--fx-lantern-opacity, 0.28);
  background:
    radial-gradient(circle at 15.1% 15.1%, rgba(255, 179, 74, 0.54) 0 0.7%, rgba(255, 104, 43, 0.14) 1.8%, transparent 4.8%),
    radial-gradient(circle at 82.8% 11.7%, rgba(255, 179, 74, 0.52) 0 0.7%, rgba(255, 104, 43, 0.14) 1.8%, transparent 4.8%),
    radial-gradient(circle at 22.4% 52.6%, rgba(255, 177, 66, 0.42) 0 0.9%, rgba(255, 103, 36, 0.1) 2.1%, transparent 5.8%),
    radial-gradient(circle at 70.5% 54.2%, rgba(255, 180, 70, 0.4) 0 0.9%, rgba(255, 105, 38, 0.1) 2.1%, transparent 5.7%);
  mix-blend-mode: screen;
}

.sfx-world-fx__moon-glow {
  top: 3%;
  left: 25%;
  width: min(26vw, 390px);
  aspect-ratio: 1;
  border-radius: 50%;
  opacity: var(--fx-moon-opacity, 0.22);
  background: radial-gradient(circle, rgba(255, 227, 205, 0.58) 0 8%, rgba(219, 159, 218, 0.2) 24%, rgba(135, 83, 175, 0.08) 43%, transparent 68%);
  mix-blend-mode: screen;
  transform: translate(var(--pack-sky-x, 0px), var(--pack-sky-y, 0px));
}

.sfx-world-fx__water {
  right: 20%;
  bottom: 31%;
  left: 20%;
  height: 14%;
  opacity: var(--fx-water-opacity, 0.14);
  background: repeating-linear-gradient(94deg, transparent 0 22px, rgba(241, 156, 104, 0.3) 24px 26px, transparent 29px 48px);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 0 48%, transparent 78%);
  mask-image: radial-gradient(ellipse at center, #000 0 48%, transparent 78%);
  mix-blend-mode: screen;
  transform: translateX(var(--fx-water-x, 0px)) skewX(-7deg);
}

.sfx-world-fx__stars {
  inset: 0;
  overflow: hidden;
}

.sfx-world-fx__stars b {
  position: absolute;
  top: var(--star-y);
  left: var(--star-x);
  width: var(--star-size);
  height: var(--star-size);
  border-radius: 50%;
  opacity: var(--star-opacity);
  background: #ffe8ca;
  box-shadow: 0 0 5px rgba(241, 191, 255, 0.64);
  animation: star-twinkle var(--star-duration) ease-in-out var(--star-delay) infinite alternate;
}

.sfx-petal {
  position: absolute;
  z-index: -1;
  top: var(--petal-top, -4%);
  left: var(--petal-left, 12%);
  width: calc(8px * var(--petal-scale, 1));
  height: calc(5px * var(--petal-scale, 1));
  border-radius: 90% 16% 72% 28%;
  opacity: var(--petal-opacity, 0.5);
  background: linear-gradient(135deg, #f28bbc, #bd397e 72%);
  box-shadow: 0 0 4px rgba(230, 83, 151, 0.3);
  pointer-events: none;
  transform-origin: 42% 52%;
  animation: petal-flight var(--petal-duration, 14s) linear var(--petal-delay, 0s) infinite;
}

.hero.is-paused .sfx-petal,
.hero.is-paused .sfx-world-fx__stars b {
  animation-play-state: paused;
}

@keyframes star-twinkle {
  from { opacity: 0.08; transform: scale(0.7); }
  to { opacity: var(--star-opacity); transform: scale(1.2); }
}

@keyframes petal-flight {
  0% { transform: translate(0, -5vh) rotate(0deg) scaleX(1); }
  24% { transform: translate(calc(var(--petal-a, 32px) + var(--petal-wind-x, 0px)), 24vh) rotate(115deg) scaleX(0.45); }
  52% { transform: translate(calc(var(--petal-b, -18px) + var(--petal-wind-x, 0px)), 55vh) rotate(255deg) scaleX(1); }
  78% { transform: translate(calc(var(--petal-c, 45px) + var(--petal-wind-soft-x, 0px)), 84vh) rotate(410deg) scaleX(0.38); }
  100% { transform: translate(var(--petal-end, -25px), 112vh) rotate(590deg) scaleX(1); }
}

@media (max-aspect-ratio: 4/5), (max-width: 760px) {
  .sfx-world-fx__water { right: 4%; left: 4%; }
  .sfx-world-fx__moon-glow { left: 13%; width: min(44vw, 320px); }
}

@media (prefers-reduced-data: reduce) {
  .sfx-layer-stage,
  .sfx-world-fx,
  .sfx-petal { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .sfx-layer-stage,
  .sfx-world-fx,
  .sfx-petal { display: none !important; }

  .hero.sfx-layer-pack-ready .scene { visibility: visible; }
  .hero.sfx-layer-pack-ready .scene-edge { opacity: 1; }
}

.motion-lite .sfx-world-fx__water { display: none; }
.motion-lite .sfx-layer-object--remainder,
.motion-lite .sfx-layer-object--torii,
.motion-lite .sfx-layer-object--bridge,
.motion-lite .sfx-layer-object--lake,
.motion-lite .sfx-layer-object--path,
.motion-lite .sfx-layer-object--castle { display: none; }
.motion-lite .sfx-world-fx__stars b:nth-child(n + 7),
.motion-lite .sfx-petal:nth-of-type(n + 10) { display: none; }