html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading {
  position: relative;
  text-align: center;
  padding: 64px 32px 40px;

  /* 背景画像は一切なし */
  background: none;

  min-width: 565.5px;
  min-height: 486px;

  /*
  filter: drop-shadow(0 18px 30px rgba(0,0,0,0.18));
*/

  }

/* kanko.gif */
.loading img {
  max-width: 185px;
  width: 52vw;
  height: auto;
}

.loading-text {
  margin-top: 18px;

  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #000;

  
  /*
  text-shadow:
    -1px -1px 0 #fff,
     1px -1px 0 #fff,
    -1px  1px 0 #fff,
     1px  1px 0 #fff,
     0   -1px 0 #fff,
     0    1px 0 #fff,
    -1px  0   0 #fff,
     1px  0   0 #fff;
*/
     }

@media (max-width: 767px) {

  .loading {
    width: 92vw;
    max-width: 520px;
    aspect-ratio: 565.5 / 486;
    min-width: auto;
    min-height: auto;

    box-sizing: border-box;
    padding: 42px 18px 30px;
  }

  .loading img {
    width: 56vw;
    max-width: 190px;
    height: auto;
  }

  .loading-text {
    margin-top: 18px;
    font-size: 1.0rem;
    line-height: 1.5;
    letter-spacing: 0.1em;
  }
}

.dots::after {
  content: "";
  display: inline-block;
  width: 1.5em;
  text-align: left;
  animation: dots 1.2s steps(4, end) infinite;
}

@keyframes dots {
  0%   { content: ""; }
  25%  { content: "."; }
  50%  { content: ".."; }
  75%  { content: "..."; }
  100% { content: ""; }
}