.zen-kaku-gothic-new-regular {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 500;
  font-style: normal;
}

.zen-old-mincho-regular {
  font-family: "Zen Old Mincho", serif;
  font-weight: 400;
  font-style: normal;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

#sp {
  overflow-x: hidden;
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

#sp .header-line {
  text-align: center;
}

#sp .header-line img{
  width: 100%;
}

#sp .fv {
  background-image: url(images/fv-bg.png);
  background-size: 100% auto;
  background-repeat: no-repeat;
  z-index: 1;
  position: relative;
}

#sp .fv img{
  margin-bottom: 30px;
  width: 100%;
  position: relative;
  z-index: 1;
}

#sp .fv-text {
  text-align: center;
}

#sp .fv-text img{
  width: 85%;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: transform, opacity;
}

#sp .fv-text img.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .fv-cv-btn {
  text-align: center;
}

#sp .fv-cv-btn img{
  width: 80%;
  animation: pulse 2s ease-in-out infinite;
}

#sp .fv-text-move {
  position: absolute;
  top: 11%;
  right: -17%;
  width: 45%;
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  overflow: hidden;
}

#sp .fv-text-group-1,
#sp .fv-text-group-2 {
  position: relative;
  width: 43px;
  height: auto;
}

#sp .fv-text-group-1 .fv-text,
#sp .fv-text-group-2 .fv-text {
  margin-top: 10px;
  margin-left: 10%;
  width: 75%;
  height: auto;
  position: relative;
  z-index: 2;
  transform: scale(0.8);
  transform-origin: top center;
}

#sp .fv-text-group-1 .fv-text-bg,
#sp .fv-text-group-2 .fv-text-bg {
  width: 100%;
  height: auto;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s ease, opacity 0.5s ease;
}

#sp .fv-text-group-1 .fv-text-bg {
  animation: slideDown1 1s ease forwards;
}

#sp .fv-text-group-2 .fv-text-bg {
  animation: slideDown2 1s ease 0.3s forwards;
}

@keyframes slideDown2 {
  from {
    max-height: 0;
    opacity: 0;
  }
  to {
    max-height: 351px;
    opacity: 1;
  }
}

@keyframes slideDown1 {
  from {
    max-height: 0;
    opacity: 0;
  }
  to {
    max-height: 318px;
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

#sp .arub-info{
  background-image: url(images/arub-info-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  z-index: 1;
  padding: 80px 0 35px 0;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: transform, opacity;
}

#sp .arub-info.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-info img{
  width: 100%;
}

#sp .arub-info-content {
  text-align: center;
  margin-top: 80px;
}

#sp .arub-info-content img{
  width: 90%;
}

#sp .arub-info-reqruit {
  width: 80%;
  text-align: center;
  margin: 20px auto 0;
}

#sp .arub-info-reqruit-title {
  font-size: 2.2rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
  padding: 0 10px;
  z-index: 2;
}

#sp .arub-info-reqruit-title::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 0;
  width: 0;
  height: 8px;
  background-color: #fff;
  transition: width 1s ease;
  z-index: -1;
}

#sp .arub-info-reqruit-title.show::after {
  width: calc(100% + 10px);
  left: -5px;
}

#sp .arub-info-reqruit-sub {
  text-align: right;
  font-size: 1.3rem;
  font-weight: 500;
  padding-right: 10%;
  margin-top: 0;
}

#sp .arub-info-course-image {
  text-align: center;
}

#sp .arub-info-course-image img{
  width: 90%;
}

#sp .arub-info-course-image-wrapper {
  text-align: center;
}

#sp .arub-info-course-image-wrapper img{
  margin-bottom: 10px;
  width: 90%;
}

#sp .arub-info-course-image-wrapper > div {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-info-course-image-wrapper > div.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-info-course-image-first.show {
  transition-delay: 0s;
}

#sp .arub-info-course-image-second.show {
  transition-delay: 0.2s;
}

#sp .arub-info-course-image-third.show {
  transition-delay: 0.4s;
}

#sp .arub-info-course-image-fourth.show {
  transition-delay: 0.6s;
}

#sp .arub-info-course-image-fifth.show {
  transition-delay: 0.8s;
}

#sp .arub-case{
  background-image: url(images/arub-case-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 100px 0 20px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: transform, opacity;
}

#sp .arub-case.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-case-circle {
  position: relative;
  display: inline-block;
}

#sp .arub-case-circle img{
  width: 100% !important;
  position: relative;
  z-index: 2;
}

#sp .vertical-line {
  position: absolute;
  top: 90%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 0;
  background-color: #000;
  z-index: 1;
  transition: height 0.6s ease;
}

#sp .arub-case.show .vertical-line {
  height: 25%;
  transition-delay: 1.6s;
}

#sp .case-text-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

#sp .case-text-line {
  font-size: 24px;
  position: relative;
  padding-bottom: 2px;
  opacity: 0;
  transform: translateY(20px);
  display: block;
  line-height: 1.5;
}

#sp .case-text-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #000;
  transition: width 0.8s ease;
}

#sp .arub-case.show .case-text-line {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-case.show .case-text-line:nth-child(1) {
  transition-delay: 0.2s;
}

#sp .arub-case.show .case-text-line:nth-child(2) {
  transition-delay: 0.4s;
}

#sp .arub-case.show .case-text-line:nth-child(3) {
  transition-delay: 0.6s;
}

#sp .arub-case.show .case-text-line::after {
  width: 100%;
}

#sp .arub-case.show .case-text-line:nth-child(1)::after {
  transition-delay: 0.4s;
}

#sp .arub-case.show .case-text-line:nth-child(2)::after {
  transition-delay: 0.6s;
}

#sp .arub-case.show .case-text-line:nth-child(3)::after {
  transition-delay: 0.8s;
}

#sp .arub-case img {
  width: 90%;
  position: relative;
  z-index: 1;
}

#sp .arub-case-graduate {
  margin-top: 60px;
  font-size: 2.4rem;
  font-weight: 600;
}

#sp .arub-case-graduate p{
  margin-bottom: 20px;
}

#sp .arub-case-graduate-text {
  margin-top: 60px;
  font-weight: 600;
}

#sp .arub-case-graduate-text p {
  position: relative;
  display: inline-block;
  margin: 5px 0;
  padding-bottom: 2px;
  opacity: 0;
  transform: translateY(20px);
}

#sp .arub-case-graduate-text p::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #000;
  transition: width 0.8s ease;
}

#sp .arub-case-graduate-text.show p {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-case-graduate-text.show p:nth-child(1) {
  transition-delay: 0.2s;
}

#sp .arub-case-graduate-text.show p:nth-child(2) {
  transition-delay: 0.4s;
}

#sp .arub-case-graduate-text.show p:nth-child(3) {
  transition-delay: 0.6s;
}

#sp .arub-case-graduate-text.show p::after {
  width: 100%;
}

#sp .arub-case-graduate-text.show p:nth-child(1)::after {
  transition-delay: 0.4s;
}

#sp .arub-case-graduate-text.show p:nth-child(2)::after {
  transition-delay: 0.6s;
}

#sp .arub-case-graduate-text.show p:nth-child(3)::after {
  transition-delay: 0.8s;
}

#sp .arub-case-graduate-text-wrapper {
  margin-top: 40px;
  position: relative;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-case-graduate-text-wrapper.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-case-graduate-text-wrapper img {
  width: 90%;
  margin: 0 auto;
  display: block;
}

#sp .arub-case-graduate-text-wrapper-content_up {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  text-align: center;
  opacity: 0;
  transition: opacity 0.6s ease 0.3s;
}

#sp .arub-case-graduate-text-wrapper.show .arub-case-graduate-text-wrapper-content_up {
  opacity: 1;
}

#sp .arub-case-graduate-text-wrapper-content_up p {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 10px 0;
  letter-spacing: 0.08em;
  color: #000;
}

#sp .arub-case-graduate-text-wrapper-content-text {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  text-align: center;
  opacity: 0;
  transition: opacity 0.6s ease;
}

#sp .arub-case-graduate-text-wrapper-content-text p {
  line-height: 1.1 !important;
  font-size: 0.8rem !important;
  font-weight: 500 !important;
  margin: 5px 0;
  color: #000;
}

#sp .arub-case-graduate-text-wrapper-content-text:nth-of-type(3) {
  top: 30%;
  transition-delay: 0.4s;
}

#sp .arub-case-graduate-text-wrapper-content-text:nth-of-type(4) {
  top: 50%;
  transition-delay: 0.6s;
}

#sp .arub-case-graduate-text-wrapper-content-text:nth-of-type(5) {
  top: 67%;
  transition-delay: 0.8s;
}

#sp .arub-case-graduate-text-wrapper-content-text:nth-of-type(6) {
  top: 81%;
  transition-delay: 1s;
}

#sp .arub-case-graduate-text-wrapper.show .arub-case-graduate-text-wrapper-content-text {
  opacity: 1;
}

#sp .arub-case-graduate-text-underline {
  position: absolute;
  top: calc(18% + 35px);
  left: 50%;
  transform: translateX(-50%);
  display: block;
  width: 0;
  height: 2px;
  background-color: #000;
  transition: width 0.8s ease;
}

#sp .arub-case-graduate-text-wrapper.show .arub-case-graduate-text-underline {
  width: 80%;
}

#sp .arub-case-graduate-text-wrapper-content-text-bold {
  position: relative;
  font-weight: 600;
  font-size: 1.1rem;
  display: inline-block;
  padding-bottom: 2px;
  z-index: 1;
}

#sp .arub-case-graduate-text-wrapper-content-text-bold::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 4px;
  background-color: #fff;
  transition: width 4s ease;
  z-index: -1;
}

#sp .arub-case-graduate-text-wrapper.show .arub-case-graduate-text-wrapper-content-text-bold::after {
  width: 100%;
}

#sp .arub-experience{
  background-image: url(images/arub-experience-bg-top.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 100px 0 60px 0;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
}

#sp .arub-experience.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-experience-header {
  position: relative;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-experience-header.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-experience-header img {
  width: 100% !important;
}

#sp .arub-experience-header img:first-child {
  display: block;
}

#sp .arub-experience-header img:last-child {
  position: absolute;
  top: 23%;
  left: 5%;
  width: 90% !important;
  opacity: 0;
  margin: 0 auto;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

#sp .arub-experience-header.show img:last-child {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

#sp .arub-experience-main {
  background-image: url(images/arub-experience-bg-bottom.png);
  background-size: 100% 120%;
  background-repeat: no-repeat;
  padding: 0 0 40px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
  position: relative;
}

#sp .arub-experience-main.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-experience img{
  width: 100%;
}

#sp .arub-experience-main img{
  width: 90%;
}

#sp .arub-experience-main img[alt="arub-experience-content-anyone"] {
  position: absolute;
  top: 31%;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  width: 90%;
  opacity: 0;
  transition: transform 0.8s ease, opacity 0.8s ease;
  z-index: 2;
}

#sp .arub-experience-main.show img[alt="arub-experience-content-anyone"] {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  transition-delay: 0.6s;
}

#sp .arub-experience-main img[alt="arub-experience-bg-bottom"] {
  position: relative;
  z-index: 1;
}

#sp .arub-experience-cv-wrapper {
  margin: 60px 0;
}

#sp .arub-experience-cv-wrapper img {
  margin-top: 20px;
  width: 80%;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-experience-cv-wrapper.show img {
  opacity: 1;
  transform: scale(1);
}

#sp .arub-experience-cv-wrapper img[alt="arub-experience-cv-text"] {
  transition-delay: 0.2s;
}

#sp .arub-experience-cv-wrapper img[alt="arub-experience-cv-btn"] {
  animation: pulseScale 2s ease-in-out infinite;
}

@keyframes pulseScale {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

#sp .arub-research-top{
  background-image: url(images/arub-research-top-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 100px 0 60px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
}

#sp .arub-research-top-content img{
  width: 90%;
  text-align: center;
}

#sp .arub-research-top.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-research-top-text {
  margin-bottom: 35px;
}

#sp .arub-research-top-text img{
  width: 90%;
  text-align: center;
}

#sp .arub-research-top-content img {
  margin-bottom: 15px;
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-research-top-content.show img {
  opacity: 1;
  transform: translateX(0);
}

#sp .arub-research-top-content.show img:nth-child(1) {
  transition-delay: 0.1s;
}

#sp .arub-research-top-content.show img:nth-child(2) {
  transition-delay: 0.3s;
}

#sp .arub-research-top-content.show img:nth-child(3) {
  transition-delay: 0.5s;
}

#sp .arub-research-top-content.show img:nth-child(4) {
  transition-delay: 0.7s;
}

#sp .arub-research-top-content.show img:nth-child(5) {
  transition-delay: 0.9s;
}

#sp .arub-research-main {
  background-image: url(images/arub-research-main-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 20px 0 60px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
}

#sp .arub-research-main.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-research-main img {
  width: 90%;
}

#sp .arub-research-main-text p {
  font-size: 2.4rem;
  font-weight: 600;
  margin-top: 10px;
  margin-bottom: 0;
}

#sp .arub-research-main-box-1 {
  margin: 0 10px;
}

#sp .arub-research-main-text-box {
  display: inline-block;
  padding: 0 10px;
  background-color: transparent;
  color: #fff;
  position: relative;
  overflow: hidden;
}

#sp .arub-research-main-text-box span {
  position: relative;
  z-index: 2;
  display: inline-block;
}

#sp .arub-research-main-text-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: #000;
  transition: width 0.6s ease;
  z-index: 1;
}

#sp .arub-research-main.show .arub-research-main-text-box::before {
  width: 100%;
}

#sp .arub-research-main.show .arub-research-main-text p:nth-child(2) .arub-research-main-text-box::before {
  transition-delay: 0.3s;
}

#sp .arub-research-main-text-image {
  width: 80%;
  margin: 0 auto;
}

#sp .arub-research-main-text-image img {
  width: 100%;
  margin-top: 30px;
}

#sp .arub-research-main-table-wrapper {
  margin-top: 50px;
  position: relative;
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0;
  overflow: hidden;
}

#sp .arub-research-first-table {
  width: 24% !important;
  display: block;
  object-fit: contain;
  object-position: bottom;
  margin: 0;
  padding: 0;
}

#sp .arub-research-main-table-cover-container {
  position: relative;
  width: 24%;
  height: auto;
  display: flex;
  align-items: flex-end;
  margin: 0;
  padding: 0;
}

#sp .arub-research-main-table-item {
  position: relative;
  width: 24%;
  display: flex;
  align-items: flex-end;
  margin: -3px;
  padding: 0;
}

#sp .arub-research-main-table-item.table-3 {
  width: 25.1% !important;
}

#sp .arub-research-main-table-item.table-4 {
  width: 24.3% !important;
  margin-right: 0;
  height: auto;
}

#sp .arub-research-main-table-item img {
  width: 100%;
  display: block;
  margin: 0px;
  padding: 0;
}

#sp .arub-research-main-table-cover-container .table-image-placeholder {
  width: 100%;
  display: block;
  visibility: hidden;
}

#sp .arub-research-main-table-cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  overflow: hidden;
  transition: height 0.8s ease-in-out;
}

#sp .arub-research-main-table-cover img {
  width: 100%;
  position: absolute;
  top: 0;
  display: block;
}

#sp .arub-research-main-table-wrapper.show .arub-research-main-table-cover {
  height: 100%;
}

#sp .arub-lecture {
  background-image: url(images/arub-lecture-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 100px 0 100px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
  position: relative;
}

#sp .arub-lecture-top-circle {
  position: absolute;
  top: 17%;
  left: 0;
  width: 100%;
  height: 100px;
  overflow: hidden;
  z-index: -1;
  clip-path: inset(0 70% 0 0);
  transition: clip-path 0.5s ease;
}

#sp .arub-lecture-top-circle:before {
  content: '';
  display: block;
  width: 200%;
  height: 1500px;
  border-radius: 50%;
  border: 1px solid black;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
}

#sp .arub-lecture-top-circle.progress-30 {
  clip-path: inset(0 70% 0 0);
}
#sp .arub-lecture-top-circle.progress-60 {
  clip-path: inset(0 40% 0 0);
}
#sp .arub-lecture-top-circle.progress-100 {
  clip-path: inset(0 0 0 0);
}

#sp .arub-lecture.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-lecture img {
  width: 90%;
}

#sp .arub-lecture-top-btn {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 30px;
  z-index: 2;
}

#sp .arub-lecture-top-btn img {
  width: 25%;
  cursor: pointer;
  transition: transform 0.3s ease;
}

#sp .arub-lecture-top-btn img:hover {
  transform: translateY(-5px);
}

#sp .arub-lecture-top-btn img[alt="arub-lecture-top-btn-2"] {
  transform: translateY(-20px);
}

#sp .arub-lecture-top-btn img[alt="arub-lecture-top-btn-2"]:hover {
  transform: translateY(-25px);
}

#sp .arub-lecture-top-text {
  width: 90%;
  margin: 0 auto;
}

#sp .arub-lecture-top-text img {
  width: 100%;
  display: none;
}

#sp .arub-lecture-top-text img[alt="arub-lecture-top-text-1"] {
  display: block;
}

#sp .arub-teach {
  background-image: url(images/arub-teach-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 100px 0 50px 0;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
}

#sp .arub-teach.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-teach img{
  width: 90%;
}

#sp .arub-teach-content {
  margin: 150px 0;
  position: relative;
}

#sp .arub-teach-content-2 {
  margin-top: 200px;
  position: relative;
}

#sp .arub-teach-content-3 {
  margin-top: 160px;
  position: relative;
}

#sp .arub-teach-content img[alt="arub-teach-first"],
#sp .arub-teach-content-2 img[alt="arub-teach-second"],
#sp .arub-teach-content-3 img[alt="arub-teach-third"] {
  width: 100%;
  position: relative;
  z-index: 1;
}

#sp .arub-teach-content img[alt="arub-teach-first-circle"]{
  position: absolute;
  top: -7%;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  z-index: 2;
  animation: rotate 10s linear infinite;
}

#sp .arub-teach-content-2 img[alt="arub-teach-second-circle"] {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  z-index: 2;
  animation: rotate 10s linear infinite;
}

#sp .arub-teach-content-3 img[alt="arub-teach-third-circle"] {
  position: absolute;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  z-index: 2;
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from {
    transform: translateX(-50%) rotate(0deg);
  }
  to {
    transform: translateX(-50%) rotate(360deg);
  }
}

#sp .arub-teach-first-carousel {
  margin: -78% auto 0;
  width: 90%;
  padding: 0;
  position: relative;
  z-index: 3;
}

#sp .arub-teach-first-carousel .slick-list {
  padding: 0 !important;
  height: auto !important;
  overflow: visible;
}

#sp .arub-teach-first-carousel .slick-track {
  display: flex;
  align-items: center;
  justify-content: center;
}

#sp .arub-teach-first-carousel .slick-slide {
  transform: scale(0.7);
  transition: transform 0.3s ease;
  opacity: 0.5;
  padding: 0 10px;
  width: 250px !important;
}

#sp .arub-teach-first-carousel .slick-current {
  transform: scale(1);
  opacity: 1;
  z-index: 2;
}

#sp .arub-teach-first-carousel .slick-slide img {
  width: 100%;
  height: auto;
  max-width: 250px;
  margin: 0 auto;
  display: block;
}

#sp .arub-teach-first-carousel .slick-dots,
#sp .arub-teach-first-carousel .slick-arrow {
  display: none !important;
}

#sp .arub-teach-content img[alt="arub-teach-first-text"],
#sp .arub-teach-content-2 img[alt="arub-teach-second-text"],
#sp .arub-teach-content-3 img[alt="arub-teach-third-text"] {
  position: absolute;
  top: 4%;
  left: 50%;
  transform: translate(-50%, -150%);
  width: 6%;
  z-index: 3;
}

#sp .arub-case-graduate-image {
  margin: 40px auto;
  width: 90%;
  padding: 0;
  position: relative;
}

#sp .arub-case-graduate-image .slick-list {
  padding: 0 !important;
  height: auto !important;
  overflow: visible;
}

#sp .arub-case-graduate-image .slick-track {
  display: flex;
  align-items: center;
  justify-content: center;
}

#sp .arub-case-graduate-image .slick-slide {
  transform: scale(0.7);
  transition: transform 0.3s ease;
  opacity: 0.5;
  padding: 0 10px;
  width: 250px !important;
}

#sp .arub-case-graduate-image .slick-current {
  transform: scale(1);
  opacity: 1;
  z-index: 2;
}

#sp .arub-case-graduate-image .slick-slide img {
  width: 100%;
  height: auto;
  max-width: 250px;
  margin: 0 auto;
  display: block;
}

/* ナビゲーション矢印と下部ドットを非表示 */
#sp .arub-case-graduate-image .slick-dots,
#sp .arub-case-graduate-image .slick-arrow {
  display: none !important;
}

#sp .arub-case-responsibility {
  position: relative;
  margin: 60px auto;
  width: 90%;
  text-align: center;
  overflow: hidden;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-case-responsibility.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-case-responsibility img.bg-image {
  width: 100%;
  display: block;
  height: 520px;
  object-fit: cover;
  object-position: top;
  transition: height 0.5s ease;
}

#sp .arub-case-responsibility-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 10%;
}

#sp .arub-case-responsibility-content img {
  width: 80%;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-case-responsibility.show .arub-case-responsibility-content img {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-case-responsibility.show .arub-case-responsibility-content img:nth-child(1) {
  transition-delay: 0.4s;
}

#sp .arub-case-responsibility-content img.arub-case-explain-text-second {
  opacity: 0;
  max-height: 0;
  margin-bottom: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, max-height 0.5s ease, margin-bottom 0.5s ease, transform 0.6s ease;
}

#sp .arub-case-responsibility-content img.arub-case-explain-open-btn {
  width: 50%;
  cursor: pointer;
  margin-top: 24px;
  margin-bottom: 40px;
}

#sp .arub-case-responsibility.show .arub-case-responsibility-content img.arub-case-explain-open-btn {
  transition-delay: 0.5s;
}

#sp .arub-case-responsibility.open img.bg-image {
  height: var(--arub-case-responsibility-open-height, 820px);
}

#sp .arub-case-responsibility.open .arub-case-responsibility-content img.arub-case-explain-text-second {
  opacity: 1;
  max-height: 1000px;
  margin-bottom: 20px;
  width: 70%;
  transform: translateY(0);
  transition-delay: 0.2s;
}

#sp .arub-teach-content-circle-wrapper {
  position: relative;
  width: 100%;
  margin: 40px 0;
  min-height: 450px;
}

#sp .arub-teach-content-circle-wrapper img {
  width: 50%;
  position: absolute;
  opacity: 0;
  transition: transform 0.8s ease, opacity 0.8s ease;
}

#sp .arub-teach-content-circle-wrapper img[alt="arub-teach-content-circle-1"] {
  transform: translateX(100%);
  top: 0;
  right: 8%;
}

#sp .arub-teach-content-circle-wrapper img[alt="arub-teach-content-circle-2"] {
  transform: translateX(-100%);
  top: 30%;
  left: 8%;
}

#sp .arub-teach-content-circle-wrapper img[alt="arub-teach-content-circle-3"] {
  transform: translateX(100%);
  top: 60%;
  right: 8%;
}

#sp .arub-teach.show .arub-teach-content-circle-wrapper img {
  opacity: 1;
  transform: translateX(0);
}

#sp .arub-teach.show .arub-teach-content-circle-wrapper img[alt="arub-teach-content-circle-1"] {
  transition-delay: 0.2s;
}

#sp .arub-teach.show .arub-teach-content-circle-wrapper img[alt="arub-teach-content-circle-2"] {
  transition-delay: 0.4s;
}

#sp .arub-teach.show .arub-teach-content-circle-wrapper img[alt="arub-teach-content-circle-3"] {
  transition-delay: 0.6s;
}

#sp .arub-award {
  background-image: url(images/arub-award-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
}

#sp .arub-award-content {
  width: 90%;
  margin: 50px auto;
}

#sp .arub-award-content img {
  width: 100%;
}

#sp .arub-award-content-carousel {
  width: 90%;
  margin: 0 auto;
  height: calc(90vw * (1380 / 2069));
  overflow: hidden;
}

#sp .arub-award-content-carousel .award-track {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 4vw;
  will-change: transform;
}

#sp .arub-award-content-carousel .award-image {
  flex: 0 0 auto;
  height: 100%;
  width: auto;
  object-fit: contain;
}

#sp .arub-award-content-woman {
  margin: 60px auto;
  margin-bottom: 0;
  width: 90%;
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-award-content-woman.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-award-content-woman img {
  width: 100%;
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  margin-bottom: 40px;
}

#sp .arub-award-content-woman.show img {
  opacity: 1;
  transform: translateX(0);
}

#sp .arub-award-content-woman.show img:nth-child(1) {
  transition-delay: 0.4s;
}

#sp .arub-award-content-woman.show img:nth-child(2) {
  transition-delay: 0.9s;
}

#sp .arub-award-content-supprt {
  text-align: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-award-content-supprt.show {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-award-content-supprt img {
  width: 90%;
  margin: 40px auto;
}

#sp .arub-award-content-supprt img:first-child {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-award-content-supprt.show img:first-child {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

#sp .arub-step {
  background-image: url(webp/arub-step-bg-2.webp);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 60px 0;
}

#sp .arub-step-title {
  width: 100%;
  text-align: center;
  margin-bottom: 70px;
}

#sp .arub-step-title img {
  width: 100%;
}

#sp .arub-step-images {
  text-align: center;
}

#sp .arub-step-images img {
  width: 80%;
  margin-bottom: 60px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#sp .arub-qa {
  margin: 0 auto;
  background-image: url(images/arub-qa-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 60px 0;
}

#sp .arub-qa-title img{
  width: 100%;
  text-align: center;
  margin-bottom: 70px;
}

#sp .arub-qa-graduation img{
  width: 100%;
  text-align: center;
  margin-bottom: 70px;
}

#sp .arub-qa-content {
  width: 90%;
  margin: 0 auto;
}

#sp .arub-qa-content-question {
  display: flex;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  border-bottom: 1px solid #000;
}

#sp .arub-qa-content-question.open {
  border-bottom: none;
}

#sp .arub-qa-content-question img {
  width: auto;
  height: 30px;
  flex-shrink: 0;
}

#sp .arub-qa-content-question p {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  flex-grow: 1;
}

.plus-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: auto;
}

.plus-icon::before,
.plus-icon::after {
  content: '';
  position: absolute;
  background-color: #000;
  transition: transform 0.3s ease;
}

.plus-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.plus-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.arub-qa-content-question.open .plus-icon::before {
  transform: translateY(-50%) rotate(180deg);
}

.arub-qa-content-question.open .plus-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

#sp .arub-qa-content-answer {
  height: 0;
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.3s ease;
  padding: 0 20px;
  background: transparent;
  position: relative;
  z-index: 2;
  transform-origin: top;
  transform: translateY(-10px);
}

#sp .arub-qa-content-answer p {
  color: #333;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 600;
  margin: 0;
  padding: 0;
  transition: transform 0.3s ease;
}

#sp .arub-qa-content-question.open + .arub-qa-content-answer {
  height: auto;
  opacity: 1;
  padding: 20px;
  padding-bottom: 0;
  border-bottom: 1px solid #000;
  margin: 0;
  transform: translateY(0);
}

#sp .arub-qa {
  position: relative;
  z-index: 1;
}

#sp .arub-qa-content-img {
  margin-top: 50px;
  width: 100%;
  text-align: center;
}

#sp .arub-qa-content-img img {
  width: 90%;
}

#sp .arub-subject {
  background-image: url(images/arub-subject-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding: 60px 0;
}

#sp .arub-subject-title {
  width: 100%;
  text-align: center;
  margin-bottom: 70px;
}

#sp .arub-subject-title img {
  width: 100%;
}

#sp .arub-subject-content {
  text-align: center;
  width: 90%;
  margin: 0 auto;
}

#sp .arub-subject-content img{
  width: 100%;
  text-align: center;
}

#sp .arub-subject-content-title {
  width: 100%;
  text-align: center;
  margin-top: 70px;
  margin-bottom: 30px;
}

#sp .arub-subject-content-img {
  width: 90%;
  margin: 0 auto;
  text-align: center;
}

#sp .arub-subject-content-img img {
  width: 90%;
  margin-bottom: 15px;
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-subject-content-img.show img {
  opacity: 1;
  transform: translateX(0);
}

#sp .arub-subject-content-img.show img:nth-child(1) {
  transition-delay: 0.1s;
}

#sp .arub-subject-content-img.show img:nth-child(2) {
  transition-delay: 0.2s;
}

#sp .arub-subject-content-img.show img:nth-child(3) {
  transition-delay: 0.3s;
}

#sp .arub-subject-content-img.show img:nth-child(4) {
  transition-delay: 0.4s;
}

#sp .arub-subject-content-img.show img:nth-child(5) {
  transition-delay: 0.5s;
}

#sp .arub-subject-content-img.show img:nth-child(6) {
  transition-delay: 0.6s;
}

#sp .arub-subject-content-free-cv {
  width: 100%;
  text-align: center;
  margin-top: 40px;
  margin-bottom: 30px;
}

#sp .arub-subject-content-free-cv img {
  width: 80%;
  margin-bottom: 10px;
}

#sp .arub-subject-content-free-cv img:last-child {
  animation: pulseScale 2s ease-in-out infinite;
}

#sp .arub-subject-content-line-cv {
  width: 100%;
  text-align: center;
  margin-top: 30px;
  margin-bottom: 20px;
}

#sp .arub-subject-content-line-cv img {
  width: 80%;
  margin-bottom: 10px;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-subject-content-line-cv.show img {
  opacity: 1;
  transform: scale(1);
}

#sp .arub-subject-content-line-cv.show img:last-child {
  animation: pulseScale 2s ease-in-out infinite;
  animation-delay: 0.3s;
}

#sp .arub-recommend {
  background-image: url(images/arub-recommend-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
}

#sp .arub-recommend-header {
  width: 100%;
  text-align: center;
  margin-bottom: 70px;
}

#sp .arub-recommend-header img {
  width: 100%;
}

#sp .arub-recommend-content {
  width: 90%;
  margin: 0 auto;
  text-align: center;
}

#sp .arub-recommend-content img {
  width: 90%;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-recommend-content img:last-child {
  margin-bottom: 120px;
}

#sp .arub-recommend-content.show img {
  opacity: 1;
  transform: translateY(0);
}

#sp .arub-recommend-content.show img:nth-child(1) {
  transition-delay: 0.2s;
}

#sp .arub-recommend-content.show img:nth-child(2) {
  transition-delay: 0.4s;
}

#sp .arub-recommend-experience-main {
  width: 100%;
  text-align: center;
  margin-top: 30px;
  margin-bottom: 70px;
  position: relative;
}

#sp .arub-recommend-experience-main > img {
  width: 90%;
  margin: 0 auto;
  display: block;
}

#sp .arub-recommend-experience-content {
  position: absolute;
  top: -17%;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#sp .arub-recommend-experience-content img {
  width: 70%;
  margin-bottom: 20px;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

#sp .arub-recommend-experience-content.show img {
  opacity: 1;
  transform: scale(1);
}

#sp .arub-recommend-experience-content.show img:nth-child(1) {
  transition-delay: 0.2s;
}

#sp .arub-recommend-experience-content.show img:nth-child(2) {
  transition-delay: 0.4s;
}

#sp .arub-recommend-experience-content.show img:nth-child(3) {
  transition-delay: 0.6s;
}

#sp .arub-recommend-experience-content-img {
  position: absolute;
  bottom: 21%;
  left: -10%;
  width: 90%;
  text-align: center;
}

#sp .arub-recommend-experience-content-img img {
  width: 80%;
  opacity: 0;
  transform: translateX(-100px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

#sp .arub-recommend-experience-content-img.show img {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.8s;
}

#sp .arub-recommend-experience-cv {
  width: 90%;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 50px;
}

#sp .arub-recommend-experience-cv img {
  width: 85%;
  margin-bottom: 20px;
  opacity: 0;
}

#sp .arub-recommend-experience-cv img:first-child {
  transform: scale(0.5);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#sp .arub-recommend-experience-cv.show img:first-child {
  opacity: 1;
  transform: scale(1);
}

#sp .arub-recommend-experience-cv img:last-child {
  transform: scale(0.8);
  transition: opacity 0.6s ease;
}

#sp .arub-recommend-experience-cv.show img:last-child {
  opacity: 1;
  animation: pulseScale 2s ease-in-out infinite;
  animation-delay: 0.3s;
}

#sp .arub-profile {
  background-image: url(images/arub-profile-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding-top: 60px;
}

#sp .arub-profile-title {
  width: 100%;
  text-align: center;
  margin-bottom: 70px;
}

#sp .arub-profile-title img {
  width: 100%;
}

#sp .arub-profile-content {
  width: 90%;
  margin: 0 auto;
}

#sp .arub-profile-content-top {
  margin: 0 auto;
  text-align: center;
  position: relative;
}

#sp .arub-profile-content-top iframe {
  width: 90%;
  height: 300px;
  position: relative;
  z-index: 1;
}

#sp .arub-profile-content-top-slide {
  position: absolute;
  top: -3%;
  left: -4%;
  width: 80%;
  height: 100%;
  z-index: 2;
}

#sp .arub-profile-content-top-slide img {
  width: 90%;
  opacity: 0;
  transform: translateX(-100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

#sp .arub-profile-content-top-slide.show img {
  opacity: 1;
  transform: translateX(0);
}

#sp .arub-profile-content-top-text {
  width: 90%;
  margin: 30px 0;
  text-align: center;
}

#sp .arub-profile-content-top-text img {
  width: 90%;
}

#sp .arub-profile-content-bottom {
  margin: 50px auto;
  margin-top: 100px;
  text-align: center;
  position: relative;
}

#sp .arub-profile-content-bottom img {
  width: 90%;
  position: relative;
  z-index: 1;
}

#sp .arub-profile-content-bottom-slide {
  position: absolute;
  top: -25%;
  left: -4%;
  width: 80%;
  height: 100%;
  z-index: 2;
}

#sp .arub-profile-content-bottom-slide img {
  width: 90%;
  opacity: 0;
  transform: translateX(-100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

#sp .arub-profile-content-bottom-slide.show img {
  opacity: 1;
  transform: translateX(0);
}

#sp .arub-faq-contener {
  width: 100%; 
  text-align: center;
}

#sp .arub-faq-contener img{
  width: 100%;
  text-align: center;
}

#sp .arub-footer {
  margin-top: 100px;
  width: 100%;
  text-align: center;
}

#sp .arub-footer-content {
  position: relative;
  width: 100%;
}

#sp .arub-footer-content img {
  width: 100%;
  position: relative;
  z-index: 1;
}

#sp .arub-footer-content-cv {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  z-index: 2;
  text-align: center;
}

#sp .arub-footer-content-cv img {
  width: 80%;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease;
}

#sp .arub-footer-content-cv-insta {
  position: absolute;
  top: 44%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  z-index: 2;
  text-align: center;
}

#sp .arub-footer-content-cv-insta img {
  width: 80%;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease;
}

#sp .arub-footer-content-cv.show img {
  opacity: 1;
  animation: pulseScale 2s ease-in-out infinite;
  animation-delay: 0.3s;
}

#sp .arub-footer-content-cv-insta.show img {
  opacity: 1;
  animation: pulseScale 2s ease-in-out infinite;
  animation-delay: 0.3s;
}

/* SPビュー用のスタイル */
@media screen and (max-width: 768px) {
  body {
    max-width: 100%;
  }
  
  #sp {
    width: 100%;
  }
}

/* 小さい画面サイズ用のスタイル */
@media screen and (max-width: 430px) {
  #sp .arub-case-graduate-text p {
    font-size: 1.2rem;
    line-height: 1.4;
    margin: 3px 0;
  }
  
  #sp .arub-case-graduate-text p:nth-child(2) {
    word-break: keep-all;
    white-space: nowrap;
  }
  
  #sp .arub-case-responsibility img.bg-image {
    height: 560px;
  }

  #sp .arub-case-responsibility.open img.bg-image {
    height: var(--arub-case-responsibility-open-height, 840px);
  }
}

/* PCビュー用のスタイル */
@media screen and (min-width: 769px) {
  body {
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
  }

  #sp {
    width: 430px;
    max-width: 430px;
    margin: 0 auto;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    position: relative;
    background-color: #fff;
  }

  #sp .arub-case-graduate-text p {
    font-size: 1.2rem;
    line-height: 1.4;
    margin: 3px 0;
  }
  
  #sp .arub-case-graduate-text p:nth-child(2) {
    word-break: keep-all;
    white-space: nowrap;
  }
  
  #sp .arub-case-responsibility img.bg-image {
    height: 560px;
  }

  #sp .arub-case-responsibility.open img.bg-image {
    height: var(--arub-case-responsibility-open-height, 840px);
  }

  #sp .arub-award-content-carousel {
    max-width: 500px;
    height: calc(500px * (1380 / 2069));
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  #sp .arub-award-content-carousel {
    max-width: 450px;
    height: calc(450px * (1380 / 2069));
  }
}

@media screen and (min-width: 1025px) {
  #sp .arub-award-content-carousel {
    max-width: 450px;
    height: calc(450px * (1380 / 2069));
  }
}

/* Remove specific width overrides at the end */
/* Progress classes with higher specificity */
/* #sp .arub-lecture-top-circle.progress-30 { width: 30%; } */
/* #sp .arub-lecture-top-circle.progress-60 { width: 60%; } */
/* #sp .arub-lecture-top-circle.progress-100 { width: 100%; } */