.l-single__main-box {
  justify-content: center;
}
.youtube-lp .c-ttl01 {
  font-size: 30px;
  font-weight: bold;
  line-height: 1.46;
  margin-bottom: 60px;
  text-align: center;
}
.youtube-lp  .c-section {
  padding: 60px 0;
}
.youtube-lp .mv-section {
  background: url('../../assets/img/top/bg-pc.png') no-repeat 50% / 100% 100%;
}
.youtube-lp .mv-section .inner-block {
  max-width: 1500px;
  display: flex;
  padding: 20px 0px 0px 0px;
  align-items: center;
  margin-top: 20px;
}
.youtube-lp .mv-section .txt-area {
  margin-bottom: 0;
  margin-left: 7.63vw;
}
.youtube-lp .mv-section .ttl {
  font-size: clamp(32px, 4.4vw, 64px);
  font-weight: bold;
  line-height: 1.25;
  margin-bottom: clamp(24px, 2.5vw, 40px);
  word-break: keep-all;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
.youtube-lp .mv-section .ttl .large {
  font-size: clamp(54px, 6.6vw, 96px);
  line-height: 1.05;
  font-weight: bold;
}
.youtube-lp .mv-section .desc {
  font-size: clamp(14px, 1.25vw, 18px);
  line-height: 1.77;
}
.youtube-lp .mv-section .desc +.desc {
  margin-top: 20px;
}
.youtube-lp .mv-section .btn {
  margin-top: clamp(28px, 3vw, 48px);
  transform: scale(1.5);
  transform-origin: left center;
}
/* PC：画面幅が狭まるほどボタンを縮小し、隣の画像との重なりを防ぐ */
@media screen and (min-width: 768px) and (max-width: 1400px) {
  .youtube-lp .mv-section .btn {
    transform: scale(1.3);
  }
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
  .youtube-lp .mv-section .btn {
    transform: scale(1.15);
  }
}
@media screen and (min-width: 768px) and (max-width: 1000px) {
  .youtube-lp .mv-section .btn {
    transform: scale(1.05);
  }
}
.youtube-lp .mv-section img {
  position: relative;
  bottom: 0;
  width: 41.4vw;
}
@media screen and (min-width: 768px) {
  .youtube-lp .mv-section img.sp {
    display: none;
  }
}
@media screen and (max-width: 767px) {
  .youtube-lp .c-ttl01 {
    font-size: 20px;
    margin-bottom: 30px;
  }
  .youtube-lp  .c-section {
    padding: 30px 0;
  }
  .youtube-lp .mv-section {
    padding: 50px 0 30px;
    background: url('../../assets/img/top/bg-sp.png') no-repeat 50% / 100% 100%;
  }
  .youtube-lp .mv-section .inner-block {
    flex-direction: column-reverse;
    padding: 0 20px;
    align-items: center;
  }
  .youtube-lp .mv-section .ttl {
    font-size: 30px;
    margin-bottom: 20px;
  }
  .youtube-lp .mv-section .ttl .large {
    font-size: 40px;
  }
  .youtube-lp .mv-section .txt-area {
    margin-bottom: 0;
    margin-left: 0;
  }
  .youtube-lp .mv-section .desc +.desc {
    margin-top: 10px;
  }
  .youtube-lp .mv-section .btn {
    margin-top: 20px;
    transform: none;
  }
  .youtube-lp .mv-section img {
    width: clamp(250px, 41.4vw, 317px);
    display: block;
    margin: 0 auto 20px;
  }
  .youtube-lp .mv-section img.pc {
    display: none;
  }
}

.youtube-lp .recommend-section .inner-block {
  padding: 0 40px;
  max-width: 1300px;
}
.youtube-lp .recommend-section .img-area {
  position: relative;
  padding-top: 54.4%;
  height: 0;
  width: 100%;
  background: #D9D9D9;
}
.youtube-lp .recommend-section .txt {
  margin-top: 30px;
  font-size: 16px;
  line-height: 1.56;
  font-weight: 500;
}
.youtube-lp .recommend-section .splide__arrow--prev, .youtube-lp .recommend-section .splide__arrow--next {
  border: 1px solid #333;
  background: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  position: absolute;
  top: 0;
  bottom: 80px;
  margin: auto;
}
.youtube-lp .recommend-section .splide__arrow--prev::before, .youtube-lp .recommend-section .splide__arrow--next::before {
  content: "";
  background: url(../../assets/img/youtube-lp/splide-arrow.svg) no-repeat center/cover;
  width: 8px;
  height: 16px;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
}
.youtube-lp .recommend-section .splide__arrow--prev svg, .youtube-lp .recommend-section .splide__arrow--next svg {
  display: none;
}
.youtube-lp .recommend-section .splide__arrow--prev {
  left: -30px;
}
.youtube-lp .recommend-section .splide__arrow--next {
  right: -30px;
}
.youtube-lp .recommend-section .splide__arrow--next::before {
  transform: rotate(-180deg);
}
.youtube-lp .recommend-section .c-youtube-lp-splide + .c-ttl01 {
  margin-top: 60px;
}
@media screen and (max-width: 767px) {
  .youtube-lp .recommend-section .inner-block {
    padding: 0 20px;
  }
  .youtube-lp .recommend-section .txt {
    font-size: 14px;
    margin-top: 15px;
  }
  .youtube-lp .recommend-section .splide__arrow--prev, .youtube-lp .recommend-section .splide__arrow--next {
    width: 30px;
    height: 30px;
  }
  .youtube-lp .recommend-section .splide__arrow--prev {
    left: -15px;
  }
  .youtube-lp .recommend-section .splide__arrow--next {
    right: -15px;
  }
  .youtube-lp .recommend-section .img-area {
    padding-top: 51%;
  }
}

.youtube-lp .recommend-section .img-area {
  overflow: hidden;
}
.youtube-lp .recommend-section .img-area__bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transition: transform 0.4s ease;
}
.youtube-lp .recommend-section a.splide__slide:hover .img-area__bg {
  transform: scale(1.06);
}
.youtube-lp .recommend-section .c-youtube-lp-splide.is-static .splide__track {
  overflow: visible;
}
.youtube-lp .recommend-section .c-youtube-lp-splide.is-static .splide__list {
  justify-content: center;
}

.youtube-lp .achievement-section .achievement-list .item .img-area {
  overflow: hidden;
  position: relative;
}
.youtube-lp .achievement-section .achievement-list .item .img-area__bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transition: transform 0.4s ease;
}
.youtube-lp .achievement-section .achievement-list .item:hover .img-area__bg {
  transform: scale(1.06);
}

.youtube-lp .achievement-section {
  background: #f7f7f7 url(../../assets/img/top/bg-project.png) no-repeat top / 100% auto;
}
.youtube-lp .achievement-section .inner-block {
  max-width: 1300px;
  padding: 0 40px;
}
.youtube-lp .achievement-section .achievement-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 60px 40px;
  margin-bottom: 50px;
}
.youtube-lp .achievement-section .achievement-list .img-area {
  padding-top: 55.2%;
  position: relative;
  height: 0;
  width: 100%;
  background: #D9D9D9;
}
.youtube-lp .achievement-section .achievement-list .tag-list {
  display: flex;
  gap: 10px;
  margin-top: 30px;
}
.youtube-lp .achievement-section .achievement-list .tag-list .tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1;
  padding: 3px 11.5px;
  border-radius: 5px;
  border: 1px solid #333;
}
.youtube-lp .achievement-section .achievement-list .txt {
  margin-top: 15px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5625;
}
.youtube-lp .achievement-section .btn-wrapper {
  text-align: center;
  margin: auto;
}

@media screen and (max-width: 767px) {
  .youtube-lp .achievement-section .inner-block {
    padding: 0 20px;
  }
  .youtube-lp .achievement-section .achievement-list {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .youtube-lp .achievement-section .achievement-list .tag-list {
    margin-top: 10px;
    gap: 5px;
  }
  .youtube-lp .achievement-section .achievement-list .tag-list .tag {
    font-size: 10px;
    padding: 2px 8px;
  }
  .youtube-lp .achievement-section .achievement-list .txt {
    font-size: 14px;
    margin-top: 10px;
  }
  .youtube-lp .achievement-section .btn {
    min-width: 15rem;
  }
}

@media screen and (min-width: 426px) and (max-width: 767px) {
  .youtube-lp .achievement-section .achievement-list {
    max-width: 60%;
    margin-left: auto;
    margin-right: auto;
  }
}

.youtube-lp .news-section .inner-block {
  max-width: 920px;
  padding: 0 40px;
}
.youtube-lp .news-section .c-ttl01 {
  margin-bottom: 50px;
}
.youtube-lp .news-section .news-list .item {
  border-bottom: 1px solid #000;
  padding-bottom: 20px;
  display: block;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: all .3s ease-in-out;
}
.youtube-lp .news-section .news-list .item  + .item {
  margin-top: 34px;
}
.youtube-lp .news-section .news-list .date {
  font-weight: 500;
  line-height: 1.5625;
  margin-bottom: 10px;
}
.youtube-lp .news-section .news-list .txt {
  line-height: 1.5625;
  margin-top: 10px;
}

@media screen and (min-width: 768px) {
  .youtube-lp .news-section .news-list .item:hover {
    text-decoration-color: currentColor;
  }
}

@media screen and (max-width: 767px)
{
  .youtube-lp .news-section .inner-block {
    padding: 0 20px;
  }
  .youtube-lp .news-section .c-ttl01 {
    margin-bottom: 20px;
  }
  .youtube-lp .news-section .news-list .item {
    padding-bottom: 20px;
  }
  .youtube-lp .news-section .news-list .item  + .item {
    padding-top: 10px;
    margin-top: 10px;
  }
  .youtube-lp .news-section .news-list .date {
    font-size: 12px;
  }
  .youtube-lp .news-section .news-list .txt {
    font-size: 14px;
  }
}

.youtube-lp .partner-section {
  background: #f7f7f7 url(../../assets/img/top/bg-project.png) no-repeat top / 100% auto;
}
.youtube-lp .partner-section .inner-block {
  max-width: 1300px;
  padding: 0 40px;
}
.youtube-lp .partner-section .splide__arrow--prev, .youtube-lp .partner-section .splide__arrow--next {
  border: 1px solid #333;
  background: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  position: absolute;
  top: 70px;
}
.youtube-lp .partner-section .splide__arrow--prev::before, .youtube-lp .partner-section .splide__arrow--next::before {
  content: "";
  background: url(../../assets/img/youtube-lp/splide-arrow.svg) no-repeat center/cover;
  width: 8px;
  height: 16px;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
}
.youtube-lp .partner-section .splide__arrow--prev svg, .youtube-lp .partner-section .splide__arrow--next svg {
  display: none;
}
.youtube-lp .partner-section .splide__arrow--prev {
  left: -30px;
}
.youtube-lp .partner-section .splide__arrow--next {
  right: -30px;
}
.youtube-lp .partner-section .splide__arrow--next::before {
  transform: rotate(-180deg);
}
.youtube-lp .partner-section .partner-splide .img-area {
  width: 100%;
  position: relative;
  height: 0;
  padding-top: 65.5%;
  background: #D9D9D9;
}
.youtube-lp .partner-section .partner-splide .tag-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 15px;
}
.youtube-lp .partner-section .partner-splide .ttl {
  font-size: 22px;
  margin-top: 30px;
  line-height: 1;
  font-weight: 500;
}
.youtube-lp .partner-section .partner-splide .txt {
  line-height: 1.625;
  margin-top: 12px;
}
.youtube-lp .partner-section .partner-splide .tag-list li {
  border-radius: 16px;
  border: 1px solid #333;
  font-size: 12px;
  line-height: 1;
  padding: 3px 13px;
}
.youtube-lp .partner-section .btn-wrapper {
  text-align: center;
  margin: 50px auto 80px;
}
.youtube-lp .partner-section .solution-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 2.08vw 2.77vw;
}
.youtube-lp .partner-section .solution-list .item {
  display: block;
  box-shadow: 5px 5px 20px rgba(51, 51, 51, 0.25);
  padding: 28px 0;
  background: #fff;
  position: relative;
  transition: all .3s ease-in-out;
}
.youtube-lp .partner-section .solution-list .item img {
  width: 3.75rem;
  height: 3.75rem;
  display: block;
  margin: auto;
}
.youtube-lp .partner-section .solution-list .ttl {
  text-align: center;
  font-weight: 500;
  font-size: clamp(18px, 1.52vw, 22px);
  line-height: 1;
  margin-top: 30px;
}
.youtube-lp .partner-section .solution-list .item:first-child img {
  width: 6.375rem;
  height: 4rem;
}
.youtube-lp .partner-section .solution-list .item:nth-child(3) img {
  width: 6.25rem;
}
.youtube-lp .partner-section .solution-list .item:nth-child(4) img {
  width: 5.1875rem;
}
.youtube-lp .partner-section .solution-list .item .ico-arrow {
  border: 1px solid #333;
  border-radius: 50%;
  position: absolute;
  right: 10px;
  top: 0;
  bottom: 10px;
  margin: auto;
  width: 20px;
  height: 20px;
}
.youtube-lp .partner-section .solution-list .item .ico-arrow::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0px;
  right: 0;
  left: 0;
  margin: auto;
  width: 4px;
  height: 7px;
  mask: url(../../assets/img/youtube-lp/ico-arrow.svg) no-repeat center/cover;
  background: #333;
}
@media screen and (min-width: 768px) {
  .youtube-lp .partner-section .solution-list .item:hover {
    transform: translateY(5px);
    box-shadow: none;
  }
}
@media screen and (max-width: 767px)
{
  .youtube-lp .partner-section .inner-block {
    padding-left: 20px;
    padding-right: 20px;
  }
  .youtube-lp .partner-section .btn {
    min-width: 15rem;
  }
  .youtube-lp .partner-section .partner-splide .ttl {
    font-size: 18px;
    margin-top: 15px;
  }
  .youtube-lp .partner-section .partner-splide .txt {
    font-size: 14px;
  }
  .youtube-lp .partner-section .partner-splide .tag-list li {
    border-radius: 8px;
    font-size: 10px;
    padding: 3px 10px;
  }
  .youtube-lp .partner-section .btn-wrapper {
    margin: 30px auto;
  }
  .youtube-lp .partner-section .splide__arrow--prev, .youtube-lp .partner-section .splide__arrow--next {
    width: 30px;
    height: 30px;
  }
  .youtube-lp .partner-section .splide__arrow--prev {
    left: -15px;
  }
  .youtube-lp .partner-section .splide__arrow--next {
    right: -15px;
  }
  .youtube-lp .partner-section .solution-list {
    gap: 10px;
    grid-template-columns: 1fr 1fr;
  }
  .youtube-lp .partner-section .solution-list .item img {
    width: 2.08rem;
    height: 2.08rem;
  }
  .youtube-lp .partner-section .solution-list .item:first-child img {
    width: 4.375rem;
    height: 2.75rem;
  }
  .youtube-lp .partner-section .solution-list .item .ico-arrow {
    width: 15px;
    height: 15px;
  }
  .youtube-lp .partner-section .solution-list .ttl {
    font-size: 14px;
    margin-top: 10px;
  }
}