body {
  margin: 0;
  font-family: "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Noto Sans JP", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", "Meiryo", "Helvetica Neue", "Helvetica", "sans-serif";
  color: #333333;
  line-height: 170%;
}

#container {
  width: 100%;
  margin: 0 auto;
  max-width: 800px;
  box-sizing: border-box;
  padding: 0 1rem;
}

h1 {
  margin-top: 2rem;
  line-height: 170%;
}

h2 {
  margin-top: 4rem;
  line-height: 170%;
}

h3 {
  margin-top: 2rem;
  line-height: 170%;
}

h4 {
  margin-top: 2rem;
  line-height: 170%;
}

a {
  color: #008dcc;
}

footer {
  padding: 4rem 0;
  text-align: center;
  color: #777777;
}

ol {
  list-style: none;
}

table {
  margin: 1rem 0;
  border-collapse: collapse;
  border: 2px solid #777777;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

caption {
  caption-side: bottom;
  padding: 1rem;
  font-weight: bold;
}

th,
td {
  border: 1px solid #777777;
  padding: 0.5rem;
}