@charset "UTF-8";
h1 {
    text-align: center;
  }
  
  #gallery {
    display: grid;
    max-width: 1000px;
    margin: auto;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
  }
  
  .img-item {
    opacity: 0;
    filter: blur(10px);
    width: 100%;
  }
  
  .img-item img {
    width: 100%;
    height: auto;
  }
  
  .img-item p {
    text-align: center;
  }
  
  footer {
    text-align: center;
    color: #87cefa;
  }
  body {
    background-image: url("images/背景.png");
    background-size: cover;
    background-attachment: fixed;
    background-position: center center;
  }

  #loading {
    transition: all 3s; /*ローディングにかかる時間*/
    background-color: #FFF;
    z-index: 999;
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  
  .loading-text {
    font-weight: bold;
    text-align: center;
  }
  
  .spin {
    width: 64px;
    height: auto;
  }
  
  .loaded {
    opacity: 0;
    visibility: hidden;
  }