.manual .content_block{
  margin-bottom:75px;
}
.manual .titlebox{
  margin-bottom:25px;
}
.manual .titlebox .title{
  font-size: 2.0rem;
  font-weight:700;
  line-height:1.5;
  color: #ED1C24;
  border-bottom: #ED1C24 1px solid;
  margin-bottom:0.25em;
  padding-bottom:0.25em;
}
.manual .titlebox .text{
  font-size: 1.6rem;
  font-weight:700;
}

.manual .textbox{
  margin-top:30px;
}
.manual .textbox .list_title{
  font-size:1.8rem;
  font-weight:700;
  margin-bottom:0.5em;
}
.manual .textbox .text{
  font-size:1.6rem;
  font-weight:400;
}

.manual .notes .note{
  font-size:1.4rem;
  font-weight:400;
  margin-bottom:0.5em;
}

.manual .notes .note a{
  font-weight:700;
  text-decoration: underline;
  color: #0071BC;
}

.manual .step_list {
  counter-reset: step-counter; /* カウンターリセット */
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.manual .step_list li {
  counter-increment: step-counter;
  position:relative;
  font-size: 1.6rem;
  line-height:1.5;
  background: #f8f9fa;
  border-left: 5px solid #007bff;
  border-radius: 5px;
  margin-bottom: 12px;
  padding: 15px 15px 15px 30px;
}
.manual .step_list a{
  font-weight:700;
  text-decoration: underline;
  color: #0071BC;
}
.manual .step_list li::before{
  content: counter(step-counter) "."; /* "Step 1" のように表示 */
  font-weight:700;
  position:absolute;
  display: block;
  left:10px;
}

.manual figure{
  max-width: 100%;
  height: auto;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 16px 0;
  display: block;
}

.manual .faq_item{
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  margin-bottom: 10px;
  background: #f9f9f9;
  cursor: pointer;
}

.manual .faq_item summary {
  font-size: 1.6rem;
  font-weight: 700;
  outline: none;
}

.manual .faq_item .text{
  font-size: 1.4rem;
  font-weight: 400;
}
.manual .faq_item a{
  font-weight:700;
  text-decoration: underline;
  color: #0071BC;
}

.manual .faq_item[open] {
  background: #e9f5ff; /* 開いたときの背景色 */
}

.manual .attention{
  margin-bottom:25px;
}
.manual .attention li{
  font-size: 1.4rem;
  font-weight: 400;
}

/* スマホ対応 */
@media (max-width: 640px) {
  .manual .content_block{
    margin-bottom:50px;
  }
  .manual .titlebox .title{
    font-size:1.6rem;
  }
  .manual .titlebox .text{
    font-size: 1.4rem;
  }
  .manual .textbox .list_title{
    font-size:1.6rem;
  }
  .manual .textbox .text{
    font-size:1.4rem;
  }
  .manual .step_list li {
    font-size: 1.4rem;
    padding: 10px 10px 10px 30px;
  }
}