/* ============================================================
   Image Animations — すべて CSS で定義
   JS はラップ要素の付与のみ（疑似要素が必要な場合）
   ============================================================ */

.img-anim {
  display: block;
  max-width: 100%;
  width: 200px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  vertical-align: middle;
}

.img-anim-frame {
  display: inline-block;
  line-height: 0;
  border-radius: 8px;
  overflow: hidden;
}

.img-anim-frame .img-anim {
  display: block;
  width: 200px;
  height: 140px;
}

/* ===================== 出現（1回） ===================== */

.img-anim-fade-in {
  animation: img-fade-in 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.img-anim-slide-up {
  animation: img-slide-up 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-slide-up {
  from { opacity: 0; transform: translateY(2rem); }
  to { opacity: 1; transform: translateY(0); }
}

.img-anim-slide-down {
  animation: img-slide-down 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-slide-down {
  from { opacity: 0; transform: translateY(-2rem); }
  to { opacity: 1; transform: translateY(0); }
}

.img-anim-slide-left {
  animation: img-slide-left 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-slide-left {
  from { opacity: 0; transform: translateX(2rem); }
  to { opacity: 1; transform: translateX(0); }
}

.img-anim-slide-right {
  animation: img-slide-right 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-slide-right {
  from { opacity: 0; transform: translateX(-2rem); }
  to { opacity: 1; transform: translateX(0); }
}

.img-anim-scale-in {
  animation: img-scale-in 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-scale-in {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}

.img-anim-zoom-in {
  animation: img-zoom-in 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-zoom-in {
  from { opacity: 0; transform: scale(1.4); }
  to { opacity: 1; transform: scale(1); }
}

.img-anim-blur-in {
  animation: img-blur-in 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-blur-in {
  from { opacity: 0; filter: blur(14px); }
  to { opacity: 1; filter: blur(0); }
}

.img-anim-rotate-in {
  animation: img-rotate-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-rotate-in {
  from { opacity: 0; transform: rotate(-12deg) scale(0.85); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}

.img-anim-flip-in {
  animation: img-flip-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  backface-visibility: hidden;
}

@keyframes img-flip-in {
  from { opacity: 0; transform: perspective(600px) rotateY(90deg); }
  to { opacity: 1; transform: perspective(600px) rotateY(0); }
}

.img-anim-clip-reveal {
  animation: img-clip-reveal 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-clip-reveal {
  from { clip-path: inset(0 100% 0 0); opacity: 0.6; }
  to { clip-path: inset(0 0 0 0); opacity: 1; }
}

.img-anim-mask-circle {
  animation: img-mask-circle 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-mask-circle {
  from { clip-path: circle(0% at 50% 50%); opacity: 0.5; }
  to { clip-path: circle(75% at 50% 50%); opacity: 1; }
}

/* ===================== ホバー（トランジション） ===================== */

.img-anim-zoom-hover {
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.img-anim-zoom-hover:hover {
  transform: scale(1.1);
}

.img-anim-lift {
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease;
}

.img-anim-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
}

.img-anim-rotate-hover {
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.img-anim-rotate-hover:hover {
  transform: rotate(3deg) scale(1.05);
}

.img-anim-skew-hover {
  transition: transform 0.4s ease;
}

.img-anim-skew-hover:hover {
  transform: skewX(-4deg);
}

.img-anim-grayscale {
  transition: filter 0.5s ease;
  filter: grayscale(100%);
}

.img-anim-grayscale:hover {
  filter: grayscale(0%);
}

.img-anim-brightness {
  transition: filter 0.4s ease;
}

.img-anim-brightness:hover {
  filter: brightness(1.15);
}

.img-anim-blur-hover {
  transition: filter 0.45s ease;
}

.img-anim-blur-hover:hover {
  filter: blur(3px);
}

.img-anim-border-glow {
  transition: box-shadow 0.45s ease;
}

.img-anim-border-glow:hover {
  box-shadow: 0 0 0 3px #7c6cff, 0 0 24px rgba(124, 108, 255, 0.5);
}

.img-anim-flip-3d {
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  transform-style: preserve-3d;
}

.img-anim-flip-3d:hover {
  transform: perspective(600px) rotateY(-12deg);
}

/* ===================== ホバー（フレーム + 疑似要素） ===================== */

.img-anim-shine {
  position: relative;
}

.img-anim-shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.img-anim-shine:hover::after {
  transform: translateX(100%);
}

.img-anim-overlay {
  position: relative;
}

.img-anim-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(124, 108, 255, 0.45);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.img-anim-overlay:hover::after {
  opacity: 1;
}

.img-anim-ken-burns {
  overflow: hidden;
}

.img-anim-ken-burns .img-anim {
  transition: transform 0.5s ease;
}

.img-anim-ken-burns:hover .img-anim {
  animation: img-ken-burns 6s ease-in-out infinite alternate;
}

@keyframes img-ken-burns {
  from { transform: scale(1) translate(0, 0); }
  to { transform: scale(1.15) translate(-3%, -2%); }
}

/* ===================== ホバー（ループ） ===================== */

.img-anim-pulse:hover {
  animation: img-pulse 1.8s ease-in-out infinite;
}

@keyframes img-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.img-anim-shake:hover {
  animation: img-shake 0.6s ease-in-out infinite;
}

@keyframes img-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.img-anim-float:hover {
  animation: img-float 2.5s ease-in-out infinite;
}

@keyframes img-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.img-anim-glow:hover {
  animation: img-glow 2s ease-in-out infinite;
}

@keyframes img-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(124, 108, 255, 0); }
  50% { box-shadow: 0 0 28px rgba(124, 108, 255, 0.65); }
}

.img-anim-hue-rotate:hover {
  animation: img-hue-rotate 3s linear infinite;
}

@keyframes img-hue-rotate {
  from { filter: hue-rotate(0deg); }
  to { filter: hue-rotate(360deg); }
}

/* ===================== Codrops-inspired (lab-original) ===================== */

.img-anim-reveal-diamond {
  animation: img-reveal-diamond 1.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-reveal-diamond {
  from {
    opacity: 0;
    clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%);
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    transform: scale(1);
  }
}

.img-anim-strip-glitch {
  animation: img-strip-glitch 0.85s steps(5) both;
}

@keyframes img-strip-glitch {
  0% {
    opacity: 0.4;
    clip-path: inset(15% 0 15% 0);
    transform: translate(6px, -4px);
    filter: contrast(1.2) saturate(1.3);
  }
  35% {
    clip-path: inset(0 55% 0 0);
    transform: translate(-5px, 3px);
  }
  70% {
    clip-path: inset(0 0 0 55%);
    transform: translate(4px, 2px);
  }
  100% {
    opacity: 1;
    clip-path: inset(0);
    transform: translate(0);
    filter: none;
  }
}

.img-anim-duotone {
  transition: filter 0.5s ease;
  filter: grayscale(0.2) contrast(1.05);
}

.img-anim-duotone:hover {
  filter: grayscale(0.8) sepia(0.35) hue-rotate(220deg) saturate(2.2) contrast(1.1);
}

.img-anim-tilt-parallax {
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  transform-style: preserve-3d;
  will-change: transform;
}

.img-anim-tilt-parallax:hover {
  transform: perspective(700px) rotateX(8deg) rotateY(-10deg) scale(1.06);
  box-shadow: 12px 18px 36px rgba(0, 0, 0, 0.4);
}

.img-anim-frame.img-anim-editorial-bands {
  position: relative;
  overflow: hidden;
}

.img-anim-editorial-bands::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent calc(12.5% - 1px),
    rgba(124, 108, 255, 0.55) calc(12.5% - 1px),
    rgba(124, 108, 255, 0.55) 12.5%
  );
  transform: translateX(-30%);
  opacity: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.img-anim-editorial-bands:hover::before {
  opacity: 1;
  animation: img-editorial-bands 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes img-editorial-bands {
  from { transform: translateX(-35%); }
  to { transform: translateX(0); }
}

.img-anim-editorial-bands:hover .img-anim {
  transform: scale(1.04);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.img-anim-frame.img-anim-scanline-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.35) 2px,
    rgba(0, 0, 0, 0.35) 4px
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.img-anim-scanline-overlay:hover::after {
  opacity: 1;
  animation: img-scanline-drift 1.5s linear infinite;
}

@keyframes img-scanline-drift {
  from { transform: translateY(0); }
  to { transform: translateY(8px); }
}

.img-anim-scanline-overlay:hover .img-anim {
  filter: contrast(1.08) brightness(1.05);
  transition: filter 0.35s ease;
}

/* ===================== Award-site inspired (lab-original) ===================== */

.img-anim-frame.img-anim-curtain-reveal {
  position: relative;
  overflow: hidden;
}

.img-anim-curtain-reveal::before,
.img-anim-curtain-reveal::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 51%;
  background: #0e0e11;
  z-index: 3;
  pointer-events: none;
}

.img-anim-curtain-reveal::before {
  left: 0;
  animation: img-curtain-left 1.15s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

.img-anim-curtain-reveal::after {
  right: 0;
  animation: img-curtain-right 1.15s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

@keyframes img-curtain-left {
  from { transform: translateX(0); }
  to { transform: translateX(-102%); }
}

@keyframes img-curtain-right {
  from { transform: translateX(0); }
  to { transform: translateX(102%); }
}

.img-anim-curtain-reveal .img-anim {
  animation: img-curtain-img 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes img-curtain-img {
  from { transform: scale(1.12); filter: brightness(0.7); }
  to { transform: scale(1); filter: brightness(1); }
}

.img-anim-frame.img-anim-corner-frame {
  position: relative;
}

.img-anim-corner-frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid #7c6cff;
  opacity: 0;
  transform: scale(1.12);
  transition:
    opacity 0.35s ease,
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    inset 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 2;
}

.img-anim-corner-frame:hover::after {
  opacity: 1;
  transform: scale(1);
  inset: 6px;
}

.img-anim-corner-frame:hover .img-anim {
  transform: scale(1.03);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.img-anim-frame.img-anim-glass-card {
  position: relative;
  overflow: hidden;
}

.img-anim-glass-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.22), transparent 55%);
  opacity: 0;
  backdrop-filter: blur(0);
  transition: opacity 0.4s ease, backdrop-filter 0.45s ease;
  pointer-events: none;
}

.img-anim-glass-card:hover::after {
  opacity: 1;
  backdrop-filter: blur(6px);
}

.img-anim-glass-card:hover .img-anim {
  filter: saturate(1.1) contrast(1.05);
  transition: filter 0.4s ease;
}

.img-anim-portfolio-focus {
  transition:
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.55s ease;
  will-change: transform, filter;
}

.img-anim-portfolio-focus:hover {
  transform: scale(1.08);
  filter: brightness(1.08) contrast(1.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.img-anim-frame.img-anim-vignette-breathe {
  position: relative;
}

.img-anim-vignette-breathe::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(ellipse at center, transparent 35%, rgba(0, 0, 0, 0.65) 100%);
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.img-anim-vignette-breathe:hover::after {
  animation: img-vignette-breathe 2.2s ease-in-out infinite;
}

@keyframes img-vignette-breathe {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(1.04); }
}

.img-anim-vignette-breathe:hover .img-anim {
  animation: img-vignette-zoom 2.2s ease-in-out infinite alternate;
}

@keyframes img-vignette-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}