/* ---------------------------------------------------------------------
    Introductionページ
--------------------------------------------------------------------- */
body {
  position: relative;
  height: 100vh;

  position: relative;
}
.wrapper {
    max-width: 100%;
  width: 100%;
  margin-inline: auto;
  position: relative;
  height: auto;
  display: flex;
  flex-direction: column;
}
.content-introduction {
  position: relative;
  padding-bottom: 200px;
}

.introduction-message {
  line-height: 3;
  color: #fff;
  width: fit-content;
  margin-top: 20px;
}

@media screen and (max-width: 768px) {
  .introduction-message {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  .introduction-message p {
    line-height: 1.5;
    width: fit-content;
    /* background-color: rgba(85, 85, 85, 0.8); */
  }
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
}

.introduction-images {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 40vw;
  height: 40vh;
  z-index: -1;
}
@media screen and (max-width: 1280px) {
  .introduction-images {
    position: initial;
    max-width: 90%;
    max-height: 30vh;
    width: 100%;
    margin-top: 20px;
    margin-bottom: 200px;
    margin-inline: auto;
    transform: translateY(0);
  }
}
@media screen and (max-width: 768px) {
  .introduction-images {
    width: 100%;
  }
}
.introduction-images_inner {
  position: relative;
  width: 100%;
  height: 100%;
}
.introduction-image {
  position: absolute;
  top: 0;
  left: 0;
  width: inherit;
  height: inherit;
  overflow: hidden;
  box-shadow: inset 0 0 10px #333;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
}
@media screen and (max-width: 1280px) {
  .introduction-image {
    border-radius: 20px;
  }
}
.introduction-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blink {
  animation: blinking 15s ease infinite normal;
}
.blink:nth-of-type(2) {
  animation-delay: 5s;
}
.blink:nth-of-type(3) {
  animation-delay: 10s;
}

/* 画像点滅 */
@keyframes blinking {
  0% {
    opacity: 1;
  }
  33% {
    opacity: 0;
  }
  66% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}