*, *::before, *::after {
  box-sizing: border-box;
  scroll-behavior: smooth;
  scrollbar-width: thin;
}
::selection {
  color: #42A5F5;
  background-color: #555;
}
@keyframes bga {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
body {
  margin: 0;
  padding: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  font-size: 16px;
  font-family: sans-serif;
  line-height: 1.25;
  overflow-y: scroll;
  color: #111;
  animation: bga 88s ease-in-out infinite;
  background: linear-gradient(111deg, #BAD3FF, #FFBEDA, #A4C6FF, #FFABCE, #8EB8FF, #FF97C2, #75A9FF, #FF82B2);
  background-size: 888% 888%;
}
a {
  text-decoration: none;
  color: #F8F8F8;
}
a:hover {
  color: #F8F8F8;
  text-decoration: underline;
}
img {
  vertical-align: middle;
}
.main {
  max-width: 640px;
  min-width: 320px;
  margin: 0 auto;
  padding: 12px 4px;
}
.header {
  width: 100%;
  height: 60px;
  position: relative;
}
.header .link {
  display: inline-block;
  position: absolute;
  top: 0;
  right: 0;
  text-align: right;
}
#kaomoji {
  color: #111;
  display: inline-block;
  font-size: 24px;
  margin-top: 8px;
}
#kaomoji:hover {
  color: #F8F8F8;
  text-decoration: none;
}
fieldset {
  width: 100%;
  padding: 8px 12px 12px;
  margin: 0 0 8px;
  border-radius: 5px;
  border: 1px solid #EEEEEE;
}
fieldset div {
  display: inline-block;
  cursor: pointer;
  margin-right: 8px;
  line-height: 1.8;
}
fieldset div:hover {
  color: #F8F8F8;
  text-decoration: none;
}
legend {
  padding: 0 8px;
  color: #F8F8F8;
  font-size: 18px;
}
.body {
  width: 100%;
  min-height: 160px;
  padding: 12px 4px;
}
.body div {
  display: none;
}
.body p {
  margin: 0 0 12px;
  padding: 0;
  line-height: 1.5;
}
.body p.last {
  margin: 0 0 24px;
}
.footer {
  text-align: center;
  margin: 50px 0 70px;
  width: 100%;
}
.footer a {
  display: inline-block;
  margin-right: 16px;
  line-height: 2;
  font-size: 15px;
}
.footer a:last-child {
  margin-right: 0;
}