:root {
  text-autospace: normal;
}

body {
  margin-left: 15px;
  margin-right: 15px;
}
@media (min-width: 602px) {
  body {
    max-width: 572px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Reset */
html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

pre {
  font-family: monospace, monospace;
  font-size: 1em;
}

abbr[title] {
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted;
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

details {
  display: block;
}

summary {
  display: list-item;
}

button {
  margin: 0;
  border: none;
  outline: none;
  background: none;
}

.heti a:hover,
a:hover {
  border-block-end: none;
}

.bubblingG {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -95px;
  margin-left: -60px;
  text-align: center;
  width: 190px;
  height: 120px;
}
.bubblingG span {
  display: inline-block;
  vertical-align: middle;
  width: 24px;
  height: 24px;
  margin: 59px auto;
  border-radius: 119px;
  background: rgb(0, 0, 0);
  animation: bubblingG 1.5s infinite alternate;
}
.bubblingG #bubblingG_0 {
  animation-delay: 0s;
}
.bubblingG #bubblingG_1 {
  animation-delay: 0.45s;
}
.bubblingG #bubblingG_2 {
  animation-delay: 0.9s;
}

@keyframes bubblingG {
  0% {
    width: 24px;
    height: 24px;
    background-color: rgb(0, 0, 0);
    transform: translateY(0);
  }
  100% {
    width: 57px;
    height: 57px;
    background-color: rgb(255, 255, 255);
    transform: translateY(-50px);
  }
}