*, ::before, ::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  
  html, body, h1, h2, h3, h4, h5, h6, ul, ol, dl, li, dt, dd, p, div, span, img, a, table, tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
    font-weight: normal;
    font-size: 100%;
    vertical-align: baseline;
  }
  
  /* 上の margin 群に figure が無く、ブラウザ既定の margin: 1em 40px が
     wp-block-library の :where(figure){margin:0 0 1em} に隠れていた */
  figure {
    margin: 0;
  }
  
  header, footer, nav, section, article, main, aside, figure, figcaption {
    display: block;
  }
  
  ol, ul {
    list-style: none;
    list-style-type: none;
  }
  
  img {
    width: 100%;
    height: auto;
    vertical-align: middle;
    font-style: italic;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    outline: none;
    padding: 0;
    appearance: none;
  }

  svg {
    display: block;
  }
  
  input, select, textarea {
    font: inherit;
    color: inherit;
  }
  
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
  
  html {
    scroll-behavior: smooth;
  }