<div class="cp_qa04">
  <div class="cp_actab">
    <input id="cp_tabfour041" type="checkbox" name="tabs">
    <label for="cp_tabfour041"><span>質問テキスト</span></label>
    <div class="cp_actab-content">
    <p>答えテキスト</p>
    </div>
  </div>
  <div class="cp_actab">
    <input id="cp_tabfour042" type="checkbox" name="tabs">
    <label for="cp_tabfour042"><span>質問テキスト</span></label>
    <div class="cp_actab-content">
    <p>答えテキスト</p>
    </div>
  </div>
  <div class="cp_actab">
    <input id="cp_tabfour043" type="checkbox" name="tabs">
    <label for="cp_tabfour043"><span>質問テキスト</span></label>
    <div class="cp_actab-content">
    <p>答えテキスト</p>
    </div>
  </div>
</div>

.cp_qa04 .cp_actab {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin: 0 0 1em 0;
  color: #ffffff;
}
.cp_qa04 .cp_actab input {
  display: none;
}
/* 質問 */
.cp_qa04 .cp_actab label {
  position: relative;
  display: block;
  margin: 0 0.5em 0.5em 2em;
  padding: 1em 0 2em 0;
  cursor: pointer;
  border-radius: 5px;
  background: #ff5722;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.3);
}
.cp_qa04 .cp_actab label span {
  display: block;
  padding: 0 2em 1em 2em;
  border-bottom: 1px solid #ffffff;
}
/* --?アイコン */
.cp_qa04 .cp_actab label::before {
  position: absolute;
  left: -30px;
  content: '？';
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  font-size: 2em;
  font-weight: bold;
  z-index: 99;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: #ff5722;
}
/* --▼アイコン */
.cp_qa04 .cp_actab label::after {
  position: absolute;
  right: 10px;
  bottom: 10px;
  content: '';
  width: 15px;
  height: 8px;
  background: #ffffff;
  clip-path: polygon(0 0, 50% 100%, 100% 0);
  transition: all 0.5s ease;
}
/* 答え */
.cp_qa04 .cp_actab .cp_actab-content {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  max-height: 0;
  margin: 0 0 0.5em 0;
  padding: 0 0 0 5em;
  transition: max-height 0.5s ease;
  color: #ffffff;
}
/* --!アイコン */
.cp_qa04 .cp_actab .cp_actab-content::before {
  position: absolute;
  left: 50px;
  content: '！';
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  font-size: 2em;
  font-weight: bold;
  z-index: 99;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: #2196f3;
}
.cp_qa04 .cp_actab .cp_actab-content p {
  margin: 0.5em 0.5em 0.5em 0;
  padding: 1em 1em 1em 3em;
  border-radius: 0.3em;
  background: #2196f3;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.3);
}
/* 質問を開いた時の仕様 */
/* --答えの高さ */
.cp_qa04 .cp_actab input:checked ~ .cp_actab-content {
  max-height: 40em;
}
/* 質問をクリックした時の▼アイコンの動き */
.cp_qa04 .cp_actab input[type=checkbox]:checked + label::after {
  transform: scale(1, -1);
}