.howto-wrapper dl dt {
  font-weight: bold;
}

.howto-wrapper dl dd {
  margin-left: 3.6em;
}


.howto-wrapper dl dt.dt-adjust + dd {
  margin-left: 8.6em;
}

.item-block {
  max-width: 620px;
  margin: auto;
}

.purple-frame {
  margin: 0;
}

.howto-table{
  overflow: auto;
  width:100%;
  border: 1px solid #ccc;
}

.howto-table table {
  width:100%;
  table-layout: fixed;
}

.howto-table th,
.howto-table td {
  padding: 6px;
  border: 1px solid #ccc;
  font-size: 15px;
  line-height:1.4;
  text-align: center;
  vertical-align: middle;
}

.howto-table th {
  background: #898989;
  color: #fff;
  font-weight: bold;
  position: sticky;
}

.howto-table tr:nth-child(odd) {
  background-color: #f5f5f5;
}

@media (max-width: 800px){

  .howto-table th, .howto-table td {
    font-size: 12px;
    padding: 4px;
    word-break: auto-phrase;
  }

  .howto-table td {
    text-align: left;
  }

  .drumhead-kind .howto-flex-left {
    flex-direction: column-reverse;
  }

  .drumhead-brands .howto-flex-left > *:first-child img {
    width: 200px;
    margin: 1em 0;
  }

}