.faq-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 2em 1em;
  font-family: sans-serif;
}
.faq-heading {
  font-size: 1.8em;
  text-align: center;
  margin-bottom: 1.5em;
  color: #004080;
}
.faq-item {
  border-top: 1px solid #ccc;
  padding: 1.5em 0;
}
.faq-question-title {
  font-size: 1.1em;
  font-weight: bold;
  margin-bottom: 0.3em;
  color: #004080;
}
.faq-toggle-button {
  background: none;
  border: none;
  font-size: 0.95em;
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 0;
  gap: 0.5em;
  color: #004080;
}
.faq-answer {
  display: none;
  background-color: #f5f5f5;
  padding: 1em;
  border-left: 4px solid #004080;
  margin-top: 0.5em;
  font-size: 0.95em;
  line-height: 1.6;
  color: #333;
}
.faq-item.open .faq-answer {
  display: block;
}
.faq-item.open .faq-toggle-icon {
  transform: rotate(90deg);
}
.back-to-top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 16px;
  background-color: #004080;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.5em;
  cursor: pointer;
  z-index: 999;
}
.back-to-top:hover {
  background-color: #0066cc;
}
@media (max-width: 600px) {
  .faq-heading { font-size: 1.4em; }
  .faq-question-title { font-size: 1em; }
  .faq-answer { font-size: 0.9em; }
}





.mg-auto{
  margin-left: auto;
  margin-right: auto;
}
.rd-faq-head{
  text-align: center;
  margin-bottom: 70px;
}
.rd-faq-head .rd-page-title{
  color: #1C3141;
  font-size: 36px;
  font-weight: 600;
}
.rd-faq-head .rd-title-en{
  color: #44B1DD;
  font-size: 22px;
  font-weight: 600;
}


.block-top-menu{
  background-color: #EFF3F6;
  position: relative;
  padding: 80px 0;
}
.block-top-menu .row-rd,
.head__nav_pro ul{
  margin-left: -15px;
  margin-right: -15px;
}
.block-top-menu .f-cel4,
.head__nav_pro li{
  padding-left: 15px;
  padding-right: 15px;
}

@media (min-width: 1200px) {
  .block-top-menu .row-rd{
    margin-left: -21px;
    margin-right: -21px;
  }
  .block-top-menu .f-cel4{
    padding-left: 21px;
    padding-right: 21px;
  }
  .head__nav_pro ul{
    margin-left: -33px;
    margin-right: -33px;
  }
  .head__nav_pro li{
    padding-left: 33px;
    padding-right: 33px;
  }
}

.block-top-menu .item_block_menu{
  background-color: #ffffff;
  border-radius: 12px;
  padding: 20px 20px 22px;
  -moz-box-shadow: 0px 3px 6px 0px rgba(0,0,0,0.16);
  box-shadow: 0px 3px 6px 0px rgba(0,0,0,0.16);
  cursor: pointer;
  display: block;
  width: 100%;
  position: relative;
}
.block-top-menu .item_block_menu:hover{
  opacity: 0.8;
}
.block-top-menu .title_text{
  margin: 0 0 9px;
  text-align: center;
  color: #44B1DD;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: -0.05em;
}
.block-top-menu .image_fl{
  min-height: 78px;
  text-align: center;
  margin-bottom: 12px;
  align-content: center;
}
.block-top-menu .image_fl img{
    border-radius: 6px;
}
.block-top-menu .iconBtn{
  text-align: center;
}

.main_faq{
  background-color: #ffffff;
  padding: 70px 2rem 0;
}
.block__main_faq:not(:last-child){
  margin-bottom: 70px;
}
.title__aboutProduct{
  color: #1C3141;
  font-size: 34px;
  text-align: center;
  margin-bottom: 70px;
  font-weight: 700;
  letter-spacing: -0.05em;
}
.title__aboutProduct span{
  position: relative;
}
.title__aboutProduct span::after{
  position: absolute;
  content: "";
  width: 80%;
  left: 50%;
  bottom: -15px;
  transform: translateX(-50%);
  height: 4px;
  background-color: #414D58;
}
.block_title_common{
  text-align: center;
  font-size: 32px;
  letter-spacing: 0.1em;
  font-weight: bold;
  margin-bottom: 50px;
}
.block_title_common span{
  width: 100%;
  max-width: 305px;
  background-color: #414D58;
  color: #ffffff;
  display: block;
  margin: 0 auto;
}
.item__faq{
    border-radius: 16px;
    padding: 40px;
    border: 3px solid transparent;
}
.item__faq:not(:last-child){
  margin-bottom: 20px;
}
.item__faq:has(.txt-q1){
    border-color: #c01832;
}
.item__faq:has(.txt-q2){
    border-color: #5140A8;
}
.item__faq:has(.txt-q3){
    border-color: #0AB4F0;
}
.item__faq:has(.txt-q4){
    border-color: #414D58;
}
.content_item_faq{
  color: #414D58;
}
.content_item_faq .p-faq-title--sub{
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 18px;
}
.content_item_faq .p-faq-description{
  font-size: 16px;
  font-weight: 600;
}
.content_item_faq .r-txt-q,
.content_item_faq .r-txt-a{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  flex: 0 0 60px;
  max-width: 60px;
  position: relative;
  margin-right: 20px;
}

.content_item_faq .txt-q1{
  background-color: #C01832;
}
.content_item_faq .txt-q2{
  background-color: #5140A8;
}
.content_item_faq .txt-q3{
  background-color: #414D58;
}
.content_item_faq .txt-a1{
  background-color: #D18C7C;
}
.content_item_faq .txt-a2{
  background-color: #9383BA;
}
.content_item_faq .txt-a3{
  background-color: #0AB4F0;
}
.content_item_faq .r-txt-q::before,
.content_item_faq .r-txt-a::before{
  position: absolute;
  content: "";
  
  top: 50%;
  transform: translateY(-50%);
  border-bottom: 8px solid transparent;
  border-top: 8px solid transparent;
}
.content_item_faq .r-txt-q::before{
  left: -8px;
}
.content_item_faq .r-txt-a::before{
  right: -8px;
}
.content_item_faq .txt-q1::before{
  border-right: 9px solid #C01832;
}
.content_item_faq .txt-q2::before{
  border-right: 9px solid #5140A8;
}
.content_item_faq .txt-q3::before{
  border-right: 9px solid #414D58;
}
.content_item_faq .txt-a1::before{
  border-left: 9px solid #D18C7C;
}
.content_item_faq .txt-a2::before{
  border-left: 9px solid #9383BA;
}
.content_item_faq .txt-a3::before{
  border-left: 9px solid #0AB4F0;
}
.content_item_faq .r-txt-q img{
  width: 30px;
}


#prodcut,
.article_block_pro{
  margin-bottom: 70px;
}

.head__nav_pro{
  margin-bottom: 85px;
}

.nav_item_menu{
  background-color: #EFF3F6;
  border-radius: 12px;
  -webkit-box-shadow: 0px 1px 0 0px rgba(0, 0, 0, 0.16);
  -moz-box-shadow: 0px 1px 0 0px rgba(0, 0, 0, 0.16);
  box-shadow: 0px 1px 0 0px rgba(0, 0, 0, 0.16);
  position: relative;
  padding: 10px 138px 10px 10px;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.05em;
  text-align: center;
  min-height: 88px;
  min-width: 337px;
  cursor: pointer;
}
.nav_item_menu:hover{
  opacity: 0.8;
}
.nav_item_menu span{
  display: block;
  width: 100%;
  text-align: center;
}
.nav_item_menu .imgPro{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 30px;
}
.nav_item_menu .imgIcon{
  position: absolute;
  top: calc(100% - 3px);
  left: 50%;
  transform: translateX(-50%);
}

.article_block_pro{
  position: relative;
}
.article_block_pro .head_title_pro{
  margin-bottom: 30px;
}
.article_block_pro .title_pro{
  text-align: center;
  margin-bottom: 22px;
}
.article_block_pro .title_pro .txt__text{
  max-width: 560px;
  width: 100%;
  position: relative;
  color: #ffffff;
  font-size: 30px;
  font-weight: 600;
}
.article_block_pro .title_pro .txt__text1{
  background: #C01832;
  background: linear-gradient(90deg,rgba(192, 24, 50, 1) 0%, rgba(209, 140, 124, 1) 100%);
}
.article_block_pro .title_pro .txt__text2{
  background: #5140A8;
  background: linear-gradient(90deg,rgba(81, 64, 168, 1) 0%, rgba(147, 131, 186, 1) 100%);
}
.article_block_pro .title_pro .imgPro{
  position: absolute;
  right: -29px;
  top: 17px;
}
.article_block_pro .bnt_vMore a{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 205px;
  background-color: #EFF3F6;
  height: 53px;
  color: #414D58;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.05em;
  position: relative;
  border-radius: 30px;
  margin:  0 auto;
  padding-right: 15px;
}
.article_block_pro .bnt_vMore a:hover{
  opacity: 0.8;
}
.article_block_pro .bnt_vMore img{
  position: absolute;
  right: 35px;
  top: 50%;
  transform: translateY(-50%);
}

.img__banner{
    max-width: 300px;
}
.img__line{
    max-width: 160px;
}
.w-100{
    width: 100%;
}
@media (min-width: 768px) {
    .img__banner,
    .img__line{
        margin: 0 auto;
    }
}
@media (max-width: 1024px) {
  .rd-faq-head{
    margin-bottom: 35px;
  }
  .block-top-menu{
    padding: 40px 0;
  }
  .block-top-menu .title_text{
    font-size: 19px;
  }
  .title__aboutProduct{
    font-size: 28px;
  }
}
@media (max-width: 767px) {
  .block-top-menu .row-rd{
    justify-content: center;
  }
  .block-top-menu .f-cel4{
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
  .block-top-menu .f-cel4:not(:last-child){
    margin-bottom: 42px;
  }
  .block-top-menu .item_block_menu{
    max-width: 310px;
    margin: 0 auto;
  }
  .block-top-menu .title_text{
    font-size: 24px;
  }
  .title__aboutProduct{
    font-size: 34px;
  }
  .head__nav_pro ul{
    flex-wrap: wrap;
  }
  .head__nav_pro li{
    width: 100%;
  }
  .head__nav_pro li:not(:last-child){
    margin-bottom: 45px;
  }
  .nav_item_menu{
    max-width: 430px;
    margin: 0 auto;
  }
  /* .sp-align-items-center{
    align-items: center;
  } */
  .content_item_faq .p-faq-description,
  .content_item_faq .p-faq-title--sub{
    align-items: flex-start;
  }

}
@media (max-width: 620px) {
  .block-top-menu .title_text {
    font-size: 19px;
  }
  .title__aboutProduct,
  .block_title_common span{
    font-size: 28px;
  }
  .article_block_pro .title_pro .txt__text {
    font-size: 24px;
    padding: 4px 0;
  }
}
@media (max-width: 575px) {
  .rd-faq-head .rd-page-title{
    font-size: 30px;
  }
  .rd-faq-head .rd-title-en{
    font-size: 20px;
  }
  .block-top-menu .f-cel4 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }
  .item__faq{
      padding: 15px;
      border-width: 1px;
      border-radius: 6px;
  }
  .article_block_pro .title_pro .txt__text{
    font-size: 20px;
  }
  .article_block_pro .title_pro .imgPro{
    display: none;
  }
  .content_item_faq .r-txt-q, .content_item_faq .r-txt-a{
    height: 50px;
    flex: 0 0 50px;
    max-width: 50px;
  }
  .content_item_faq .r-txt-q img,
  .content_item_faq .r-txt-a img{
    width: 20px;
  }
  .content_item_faq .p-faq-title--sub{
    line-height: 1.3;
    font-size: 18px;
  }
  .content_item_faq .p-faq-description{
    font-size: 14px;
  }
  .title__aboutProduct{
    font-size: 22px;
  }
  .img__banner{
    max-width: 100%;
  }
}