.l-header__nav-box.__sub {
  background-color: #05328c;
  position: static;
}

.l-header__nav-box.__sub .l-header__nav {
  gap: 3rem;
  justify-content: space-around;
  display: flex;
  padding: 1.7rem 3em 1.6rem;
  width: auto;
  margin: 0 auto;
  text-align: center;
  align-items: center;
  max-width: 160rem;
}

.l-header__nav-box.__sub .l-header__nav__item {
  color: #ffffff;
  padding: 1rem 0;
  border-radius: 0;
  text-decoration: none;
  transition: color 0.3s;
  font-size: 1.5rem;
  font-weight: 500;
  font-family: "Noto Sans JP", sans-serif;
  min-width: 10rem;
}

.l-header__nav-box.__sub .l-header__nav__item.__qa {
  background-color: #fff;
  border-radius: 100vw;
  color: #05328c;
  padding: 1rem 2rem;
  transition: background-color 0.3s;
  font-weight: 500;
}

.l-header__nav-box.__sub .l-header__nav__item.__qa:hover {
  background-color: #D9442F;
  color: #ffffff;
  font-weight: 500;
}

.l-header__nav-box.__main .l-header__nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  min-width: 10rem;
  font-size: 1.5rem;
  font-weight: 500;
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.35;
  color: #000;
  text-align: center;
  text-decoration: none;
  background: none !important;
  border-radius: 0 !important;
  transition: color 0.3s;
}

.l-header__nav-box.__sub .l-header__nav__item.l-header__nav__item__current-page {
  border-bottom: #ffffff solid 3px;
}

.l-header__nav-box.__sub .l-header__nav__item__hover-anim {
  -webkit-transition-duration: 0.3s;
  transition: border-color 0.3s ease;
  place-content: center;
  padding: 1rem 0;
  border-radius: 0;
  border-bottom: 3px solid transparent;
}

.l-header__nav-box.__sub .l-header__nav__item__hover-anim:hover {
  color: #ffffff;
  border-radius: 0;
  padding: 1rem 0;
  height: 100%;
  border-bottom: #ffffff solid 3px;
  background-color: inherit;
}

@media screen and (max-width: 960px) {
  .l-header__nav-box.__sub {
    display: block;
    overflow: scroll;
    /* -ms-overflow-style: none;
	scrollbar-width: none; */
  }

  .l-header__nav-box.__sub::-webkit-scrollbar {
    height: 6px;
    width: 100%;
    background-color: #05328c;
  }

  .l-header__nav-box.__sub::-webkit-scrollbar-thumb {
    background-color: #ffffff;
    border-radius: 8px;
    width: 30%;
  }

  .l-header__nav-box.__sub .l-header__nav {
    gap: 2rem;
    min-width: 815px;
  }
}

.sub-box {
  padding: 8rem 1.6rem;
  text-align: center;
}

.sub-title {
  font-size: 4.2rem;
  font-weight: bold;
  font-family: "Noto Sans JP", sans-serif;
  color: black;
  display: flex;
  align-items: center;
  place-content: center;
  gap: 3rem;
}

.sub-title::before {
  content: "";
  background-image: url(../img/nav-seminar.svg);
  width: 10rem;
  height: 10rem;
  background-size: contain;
  background-repeat: no-repeat;
  display: block;
}

.sub-title.__qa::before {
  background-image: url(../img/nav-qa.svg);
}

.sub-title.__useful::before {
  background-image: url(../img/nav-link.svg);
}

.sub-text {
  text-align: left;
  display: inline-block;
  margin-top: 3rem;
  max-width: 113rem;
  font-family: "Noto Sans JP", sans-serif;
}

@media screen and (max-width: 700px) {
  .sub-title {
    display: block;
    font-size: 3rem;
  }

  .sub-title::before {
    margin: 0 auto;
  }
}


/* ==========================================================================
   QA USEFUL
   ========================================================================== */

.back-gray {
  background-color: #F8F8F8;
  padding: 9rem 0 19rem;
}

.p-faqList {
  display: grid;
  gap: var(--s2);
}

.p-faqList_item {
  padding: 2rem 3rem;
  border-radius: var(--s1);
  background-color: #fff;
  font-size: 1.8rem;
  box-shadow: 0px 3px 6px 0px rgba(196, 196, 196, 0.15);
}

.p-faqList_ttl {
  display: grid;
  grid-template-columns: 2em 1fr;
  gap: 3rem;
  position: relative;
  cursor: pointer;
  align-items: center;
  color: #06328A;
}

.p-faqList_ttl::before {
  content: "Q.";
  font-family: Inter;
  font-weight: 600;
  font-size: 3.6rem;
}

.p-faqList_detail {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.6s ease;
  display: grid;
  grid-template-columns: 2em 1fr;
  align-items: center;
  gap: 3rem;
}

/* 開く時 */
.is-open .js-accordion_tgt {
  max-height: 500px;
  transition-duration: 1s;
}

.p-faqList_detail::before {
  content: "A.";
  font-family: Inter;
  color: #D9442F;
  font-weight: 700;
  font-size: var(--f36);
  padding-top: 3rem;
  font-size: 3.6rem;
}

.p-faqList_detail_inner {
  padding-top: 3rem;
  font-size: 1.6rem;
}

/* 開いている状態 */

.is-open .js-accordion_tgt {
  max-height: 500px;
  opacity: 1;
}

/* アイコン */

.accordion_icon {
  position: absolute;
  top: 50%;
  right: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  transform: translateY(-50%);
  background-color: #06328A;
  transition: background-color .5s ease;
}

.p-faqList_ttl:hover .accordion_icon {
  background-color: #D9442F;
}

.accordion_icon::before,
.accordion_icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60%;
  height: 2px;
  background: #fff;
  transform: translate(-50%, -50%);
}

.accordion_icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: opacity .5s ease;
}

.is-open .accordion_icon::after {
  opacity: 0;
}

@media (max-width: 767px) {

  .p-faqList_ttl_txt {
    padding-right: 3rem;
  }

  .accordion_icon {
    width: 20px;
    height: 20px;
  }
}

/*USEFUL*/

.p-faqList_item.__not {
  padding: 3rem;
}

.p-faqList_item.__not .p-faqList_ttl {
  display: block;
  transition: color 0.3s ease;
}

.p-faqList_item.__not .p-faqList_ttl:hover {
  color: #D9442F;
}

.p-faqList_item.__not .p-faqList_ttl::before {
  content: "";
}

.link-arrow {
  position: absolute;
  top: 50%;
  right: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  transform: translateY(-50%);
  background-color: #06328A;
  transition: background-color .5s ease;
}

.link-arrow {
  position: absolute;
  top: 50%;
  right: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  transform: translateY(-50%);
  background-color: #06328A;
  transition: background-color .5s ease;
}

.p-faqList_ttl:hover .link-arrow {
  background-color: #D9442F;
}

.link-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  width: 50%;
  height: 50%;
  background-repeat: no-repeat;
  background-image: url(../img/link-arrow.svg);
}