.l-single {
  margin-top: 10rem;
  margin-bottom: 18rem;
}

.l-single_inner {
  padding: 8.6rem 12rem;
  background-color: var(--colorWhite);
}

.l-single_area {
  font-weight: var(--weightMedium);
  font-size: 5rem;
  line-height: 1;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .03em;
}

.l-single_ttl {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-top: 3rem;
  padding-bottom: 2rem;
  gap: 2rem;
  font-weight: var(--weightBold);
  font-size: 2.4rem;
  line-height: 1.4;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: 0;
}

.l-single_ttl::before {
  display: block;
  width: 6rem;
  height: 4px;
  background-color: var(--colorBlue800);
  content: "";
}

.l-single_content h1 {
  margin-top: 2rem;
  font-weight: var(--weightMedium);
  font-size: 5rem;
  line-height: 1;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .03em;
}

.l-single_content h2 {
  position: relative;
  padding: 8rem 0 2rem 3rem;
  font-weight: var(--weightMedium);
  font-size: 2.8rem;
  line-height: 1.6;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: 0;
}

.l-single_content h2::before {
  display: block;
  position: absolute;
  top: 8rem;
  left: -2px;
  width: 4px;
  height: calc(100% - 10rem);
  background-color: var(--colorBlue800);
  content: "";
}

.l-single_content h3 {
  margin-top: 2rem;
  color: var(--colorBlue800);
  font-weight: var(--weightMedium);
  font-size: 3.2rem;
  line-height: 1.6;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .03em;
}

.l-single_content h4 {
  margin-top: 2rem;
  color: var(--colorBlue800);
  font-weight: var(--weightMedium);
  font-size: 2.4rem;
  line-height: 1.6;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .05em;
}

.l-single_content .description {
  margin-top: 8rem;
  font-weight: var(--weightMedium);
  font-size: 3.2rem;
  line-height: 1;
  line-height: 2;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .05em;
  text-align: center;
}

.l-single_content p {
  margin-top: 1rem;
  font-weight: var(--weightMedium);
  font-size: 1.6rem;
  line-height: 1.6;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .05em;
}

.l-single_content img {
  display: block;
  margin-top: 2rem;
}

.l-single_content .labeled {
  width: -webkit-max-content;
  width: -moz-max-content;
  width: max-content;
  max-width: 100%;
  margin-top: 1rem;
  padding: .6rem .8rem;
  border-radius: .4rem;
  background: var(--colorBlue800);
  color: var(--colorWhite);
  font-weight: var(--weightBold);
  font-size: 1.6rem;
  line-height: 1.6;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .05em;
}

.l-single_content .btn {
  width: 48rem;
  margin-top: 4rem;
  margin-inline: auto;
}

.l-single_content .btn a {
  display: grid;
  z-index: 1;
  position: relative;
  place-items: center;
  width: 100%;
  min-height: 10.434rem;
  padding: 3.2rem 7.6rem;
  background-color: var(--colorBlue800);
  color: var(--colorWhite);
  font-weight: var(--weightMedium);
  font-size: 2rem;
  line-height: 2;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .05em;
  text-align: center;
  --iconColor: var(--colorWhite);
  --iconWidth: 3rem;
  --iconRight: 2.535rem;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(0,0,0,0);
  -webkit-transition: color var(--defaultAnime);
  transition: color var(--defaultAnime);
}

.l-single_content .btn a::after {
  display: block;
  z-index: -1;
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  -webkit-transform: scale(0, 1);
          transform: scale(0, 1);
  -webkit-transform-origin: left;
          transform-origin: left;
  background: var(--colorWhite);
  content: "";
  -webkit-transition: -webkit-transform var(--defaultAnime);
  transition: -webkit-transform var(--defaultAnime);
  transition: transform var(--defaultAnime);
  transition: transform var(--defaultAnime), -webkit-transform var(--defaultAnime);
}

.l-single_btn {
  width: 33.5rem;
  height: 6rem;
  margin-top: 12rem;
  margin-inline: auto;
  --iconColor: var(--colorBlue800);
  --iconWidth: 1.6rem;
  font-weight: var(--weightMedium);
  font-size: 1.6rem;
  line-height: 2;
  font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
  letter-spacing: .03em;
}

@media screen and (max-width: 47.9375em) {
  .l-single {
    margin-top: 5rem;
    margin-bottom: 9rem;
  }
  .l-single_inner {
    padding: 4rem 2rem;
  }
  .l-single_area {
    font-weight: var(--weightMedium);
    font-size: 3.2rem;
    line-height: 1.2;
    font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
    letter-spacing: .03em;
  }
  .l-single_ttl {
    font-size: 2rem;
  }
  .l-single_ttl::before {
    width: 3rem;
  }
  .l-single_ttl {
    margin-top: 2rem;
    gap: 1rem;
  }
  .l-single_content h1 {
    font-weight: var(--weightMedium);
    font-size: 3.2rem;
    line-height: 1.2;
    font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
    letter-spacing: .03em;
  }
  .l-single_content h2 {
    padding: 4rem 0 1rem 2rem;
  }
  .l-single_content h2::before {
    top: 4rem;
    height: calc(100% - 5rem);
  }
  .l-single_content .description {
    font-weight: var(--weightMedium);
    font-size: 2rem;
    line-height: 2;
    font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
    letter-spacing: .05em;
  }
  .l-single_content .btn {
    width: 100%;
  }
  .l-single_content .btn a {
    min-height: 6.4rem;
    padding: 1rem 4rem;
    --iconWidth: 2rem;
    --iconRight: 2.035rem;
    font-weight: var(--weightMedium);
    font-size: 1.6rem;
    line-height: 2;
    font-family: "Noto Sans JP","Helvetica Neue",arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",meiryo,sans-serif;
    letter-spacing: .05em;
  }
  .l-single_btn {
    width: 100%;
    margin-top: 6rem;
  }
}

@media (hover: hover) {
  .l-single_content .btn a:hover {
    --iconColor: var(--colorBlue800);
    border-color: var(--colorBlue800);
    color: var(--colorBlue800);
  }
  .l-single_content .btn a:hover::after {
    -webkit-transform: scale(1, 1);
            transform: scale(1, 1);
  }
}