* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #fff;
}

img {
  width: 100%;
  height: auto;
  display: block;
}

.section,
.fv,
.cta,
footer {
  max-width: 100%;
  margin: 0 auto;
}

/* フェードイン */
.fade {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.fade.is-show {
  opacity: 1;
  transform: translateY(0);
}

/* CTA hover */
.cta a:hover img {
  filter: brightness(0) saturate(100%) invert(67%) sepia(12%) saturate(525%) hue-rotate(169deg) brightness(93%) contrast(88%);
}