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HTML

            
              .container
  table
    thead
      tr
        th weight
        th.f0 Avenir Next
        th.f1 Hiragino Sans
        th.f2 Hiragino Kaku Gothic ProN
    tbody
      each key in ['lighter', 'normal', 'bold', 'bolder', 100, 200, 300, 400, 500, 600, 700, 800, 900]
        tr(class= `fw-${key}`)
          th= key
          td.f0.col Avenir Next
          td.f1.col Hiragino ヒラギノ
          td.f2.col Hiragino ヒラギノ
            
          
!

CSS

            
              .f1
  font-family: "Hiragino Sans", "ヒラギノ角ゴ", sans-serif
.f2
  font-family: 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', sans-serif
.f0
  font-family: "Avenir Next", "Open Sans", "Helvetica Neue", Helvetica, Arial, Verdana, Roboto, sans-serif

for key in (lighter normal bolder bold 100 200 300 400 500 600 700 800 900)
  .fw-{key}
    font-weight: key

body
  background: #f5f5f5
 
.container
  margin: auto
  padding-bottom: 3em
  max-width: 62em

table
  margin: auto
  border-collapse: collapse
  background: #fff
  max-width: 100%
th
  font-weight: normal
th, td
  padding: .5em .8em
  text-align: center
tr
  > th, td
    border-bottom: 1px solid #ccc
tbody
  > tr
    > th
      background: #fefefe
      border-right: 1px solid #ccc
.col
  width: 30%
  
            
          
!

JS

            
              
            
          
!
999px

Console