html, body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  font-size: 100%;
  text-align: center;      
}
body {
  font-family: "helvetica-lt-pro", Helvetica, Arial, "BIZ UDGothic", "noto-sans", "Noto Sans JP", "ヒラギノ角ゴ Pro W3","ヒラギノ角ゴ ProN W3", "ヒラギノ角ゴ3", "游ゴシック", "Yu Gothic", "游ゴシック体", YuGothic, sans-self;
  font-weight: normal;
  font-weight: 400;
  font-style: normal;
  line-height: 1.8;
  color: #000;
  background-color: #fff;
}
h1, h2, h3, h4, h5, summary, strong {
  font-family: "helvetica-lt-pro", Helvetica, Arial, "BIZ UDGothic", "noto-sans", "Noto Sans JP Bold", "ヒラギノ角ゴ Pro W6", "ヒラギノ角ゴ ProN W6", "ヒラギノ角ゴ6", "游ゴシック", "Yu Gothic", "游ゴシック体", YuGothic, sans-self;
  font-weight: bold;
  font-weight: 700;
  font-style: normal;
  text-align: left;
}
header, main, footer {
  width: 95%;
  text-align: left;
}
header, footer {
  max-width: 1000px;
  margin: 0 auto;
}
header h1 {
  text-align: center;
}
header h1 img#h1 {
  width: 95%;
  max-width: 600px;
  opacity: 0;
  transition: 1.0s ease-out;
}
header h1 img#h1.loaded {
  opacity: 1;
  -webkit-transform: perspective(300px) rotateY(360deg);
  -moz-transform: perspective(300px) rotateY(360deg);
  -o-transform: perspective(300px) rotateY(360deg);
  -ms-transform: perspective(300px) rotateY(360deg);
  transform: perspective(300px) rotateY(360deg);
}
main {
  max-width: 950px;
  margin: 20px auto;
}
summary {
  font-size: 20px;
}
article {
  width: 95%;
  margin: 0 auto;
  border-top: dotted 1px #000;
}
article h2 {
  position: relative;
  width: calc(100% - 40px);
  margin: 5px -40px 5px 40px;
  padding: 0;
  line-height: 1.2;
  text-indent: -40px;
  cursor: pointer;
}
article h2:before {
  position: absolute;
  top: 8px;
  left: -15px;
  content: "▼";
  white-space: pre;
  font-size: 12px;
}

section {
  width: 100%;
  margin: 10px auto;
  padding: 20px 0;
  border-top: dotted 1px #000;
}
article section {
  padding: 0;
  border-top: 0;
}
article.off section {
  display: none;
}
section div {
  width: 95%;
  margin: 0 auto;
}
section img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: cemter;
  border-radius: 9px;
}
p {
  text-align: left;
}
ul li, ol li {
  margin: 0 0 16px 0;
  text-align: left;
  line-height: 1.4;
}
dl {
  display: flex;
  justify-content: flex-start;
  text-align: left;
}
dl dt, dl dd {
  padding: 0 5px 0 0;
  margin: 0;
  text-align: left;
  line-height: 1.4;
}
table, table tbody tr th, table tbody tr td {
  border: 1px solid #ccc;
}
table tbody tr th, table tbody tr td {
  padding: 0 5px;
}
anker {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 5px;
  background-color: rgba(220,220,220,0.85);
  line-height: 47px;
  z-index: 9999;
  cursor: pointer;
}
anker div {
  transform: scaleY(0.6);
  font-size: 32px;
}
footer {
  text-align: center;
  border-top: dotted 1px #000;
}