@charset "UTF-8";
:root {
  --first_anime_duration:3s;
  --second_anime_duration:3s;
}

body {
  overflow: hidden;
}
body.scrollable {
  overflow-y: auto;
}

/* 固定背景、メニューボタン　アニメーション */
.bg_img_tl {
  opacity: 0;
  animation: fadeIn var(--second_anime_duration) forwards;
  animation-delay: var(--first_anime_duration);
}

.bg_img_tr {
  opacity: 0;
  animation: fadeIn var(--second_anime_duration) forwards;
  animation-delay: var(--first_anime_duration);
}

.bg_img_center {
  opacity: 0;
  animation: fadeIn var(--second_anime_duration) forwards;
  animation-delay: var(--first_anime_duration);
}

.btn_menuOpen {
  opacity: 0;
  animation: fadeIn var(--second_anime_duration) forwards;
  animation-delay: var(--first_anime_duration);
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
/* 記事 */
.container {
  width: 50%;
}

@media (max-width: 767px) {
  .container {
    width: 80%;
  }
}
/* sec1 */
#sec1 {
  height: 100vh;
  opacity: 0;
  animation-delay: 0;
  animation: fadeIn var(--first_anime_duration) forwards;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
#sec1 .logo_top {
  width: 15%;
  height: auto;
  margin: 0 auto;
}
@media (max-width: 767px) {
  #sec1 .logo_top {
    width: 30%;
  }
}

#sec2, #sec3 {
  padding: 100px 0;
  display: none;
}
#sec2.appeared, #sec3.appeared {
  display: block;
}

#sec3 {
  background-color: #e4fceb;
}

footer {
  display: none;
}
footer.appeared {
  display: block;
}/*# sourceMappingURL=style_index.css.map */