  /* Global settings */
  *, *:before, *:after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  
  * {
    margin: 0;
    padding: 0;
  }

  /* HTML & Body settings */
  html, body {
    height:auto;
  }

  body {
    font-size: 100%;
    color: #333333;
    line-height: 1.7;
    background-color: #fffffe;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    text-size-adjust: 100%;
    font-family: 'Noto Sans JP', sans-serif;
  }
  
  body * {
    box-sizing: inherit; /* box-sizingの値は継承されないので明示的に設定 */
  }

  /* Multimedia settings */
  img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
  }

  /* Form settings */
  input, button, textarea, select {
    font: inherit;
    margin: 0;
    font-size: 100%;
    vertical-align: middle;
    border: none;
    outline: none;
    background: transparent;
    box-shadow: none;
  }

  input[type="search"]::-webkit-search-decoration,
  input[type="search"]::-webkit-search-cancel-button,
  input[type="search"]::-webkit-search-results-button,
  input[type="search"]::-webkit-search-results-decoration {
    display: none;
  }

  button,
  input[type="button"],
  input[type="submit"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
  }

  input, textarea {
    box-sizing: border-box;
  }

  textarea {
    resize: none;
  }

  /* Text and font settings */
  h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: bold;
  }

  b, strong {
    font-weight: normal;
  }

  i, em {
    font-style: normal;
  }

  mark {
    background: none;
    color: inherit;
  }

  small {
    font-size: 100%;
  }

  sub, sup {
    vertical-align: baseline;
    position: relative;
    top: 0;
    bottom: 0;
  }

  /* List settings */
  ul, ol {
    list-style: none;
    padding: 0;
  }

  /* Table settings */
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }

  th, td {
    padding: 0;
    text-align: left;
  }

  /* Link settings */
  a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
  }
  a:hover {
    color: #007bff; /* ホバー時の色 */
  }
