<div class="cp_ipcheck01">
  <input type="checkbox" id="a_ch1" checked /><label for="a_ch1">ネコ</label>
  <input type="checkbox" id="a_ch2" /><label for="a_ch2">イヌ</label>
  <input type="checkbox" id="a_ch3" /><label for="a_ch3">ウサギ</label>
  <input type="checkbox" id="a_ch4" disabled /><label for="a_ch3">ウサギ</label>
</div>

.cp_ipcheck01 {
  margin: 6em 2em;
}
.cp_ipcheck01 input[type=checkbox] {
  display: none;
}
/*通常時のラベルの設定*/
.cp_ipcheck01 label {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 0 0 20px;
  text-overflow: ellipsis;/*テキストがエリアを超えたら'…'で省略*/
  transition: all 0.15s ease;
  cursor: pointer;
}
/*通常時のチェックボックスの設定*/
.cp_ipcheck01 label::before {
  position: absolute;
  left: 0px;
  content: '';
  width: 10px;
  height: 10px;
  border: 0.2em solid #cccccc;
}
/* focus・hover・active・checked時のテキストの設定*/
.cp_ipcheck01 label:focus,
.cp_ipcheck01 label:hover,
.cp_ipcheck01 label:active,
.cp_ipcheck01 input:checked + label {
  color: #da3c41;
}
/* focus・hover・active時のチェックボックスの設定*/
.cp_ipcheck01 label:focus::before,
.cp_ipcheck01 label:hover::before,
.cp_ipcheck01 label:active::before {
  border-color: #da3c41;
  background: #ffffff;
}
/* checked時のチェックボックスの設定*/
.cp_ipcheck01 input:checked + label::before {
  border-color: #da3c41;
  background: #da3c41;
}
/*disabled時の設定*/
.cp_ipcheck01 input:disabled + label {
  cursor: not-allowed;
  color: #b8b7b7;
}
.cp_ipcheck01 input:disabled + label::before {
  border-color: #b8b7b7;
  background: #b8b7b7;
}
.cp_ipcheck01 input:disabled + label::after {
  position: absolute;
  left: 2px;
  content: '✖︎';
  color: #666666;
}