body {
  font-family: 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', Meiryo, メイリオ, Osaka, 'MS PGothic', arial, helvetica, sans-serif;
  font-size:	100%;
}

#header {
  margin:	20px;
}

#contents {
  margin:	20px;
  /* background-color:	lightgray; */
} 
.contents {
  margin:	20px;
  /* background-color:	lightgray; */
} 

h1, .h1 {
    font-size: 36px;
}
h1, .h1, h2, .h2, h3, .h3 {
    margin-top: 20px;
    margin-bottom: 10px;
}
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}

.tables {
}