@font-face {
  font-family: 'Marcellus';
  src: url('../../assets/font/Marcellus-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../../assets/font/NotoSansJP-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../../assets/font/NotoSansJP-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../../assets/font/NotoSansJP-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Zen Kaku Gothic New';
  src: url('../../assets/font/ZenKakuGothicNew-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@media screen and (min-width: 600px) {
  .is-stg-sp {
    display: none;
  }
  .is-stg-pc {
    display: block;
  }
}
@media screen and (max-width: 599px) {
  .is-stg-sp {
    display: block;
  }
  .is-stg-pc {
    display: none;
  }
}

.fixed-bg {
  position: fixed;
  top: 100px;
  z-index: -2;
  left: 50%;
  transform: translateX(-50%);
  width: 54vw;
  height: auto;
}
@media screen and (max-width: 959px) {
  .fixed-bg {
    top: 120px;
    width: 64vw;
  }
}
@media screen and (max-width: 599px) {
  .fixed-bg {
    top: 135px;
    width: 88vw;
  }
}

.strategy-container {
  padding-bottom: 60px;
}

.strategy-container,
.strategy-header-container {
  position: relative;
  overflow: hidden;
}
.strategy-header-container {
  padding-bottom: 9.37vw;
}
.arrow-bg {
  position: absolute;
  height: auto;
  z-index: -1;
}
.arrow-bg1 {
  width: 29.5vw;
  transform: translateY(-23.75%);
}

.arrow-bg2 {
  width: 21.22vw;
  transform: translateY(-10.57%);
  right: 11vw;
}

.arrow-bg3 {
  width: 17.2vw;
  top: 7.76vw;
  right: 0;
}

.arrow-bg4 {
  width: 14.93vw;
  transform: translateY(-78%);
}

.arrow-bg5 {
  width: 16.32vw;
  transform: translateY(-140%);
  left: 21.23vw;
}

.arrow-bg6 {
  width: 32.13vw;
  right: 0;
  transform: translateY(-60.65%);
}

.arrow-bg7 {
  width: 22.47vw;
  right: 7.76vw;
  transform: translateY(113%);
}

.arrow-bg8 {
  width: 18vw;
  right: 0;
  transform: translateY(300%);
}

.arrow-bg9 {
  width: 32.21vw;
  left: 0;
  bottom: 0;
}

.arrow-bg10 {
  width: 22.25vw;
  left: 0;
  transform: translateY(-25%);
}
.arrow-bg11 {
  width: 25.55vw;
  right: 0;
  transform: translateY(-80%);
}

.arrow-bg12 {
  width: 57.9vw;
  left: 0;
  transform: translateY(-100%);
}

.arrow-bg13 {
  width: 37.8vw;
  right: 0;
  transform: translateY(-22%);
}

.arrow-bg14 {
  width: 25.25vw;
  left: 0;
  transform: translateY(-100%);
}

@media screen and (min-width: 1367px) {
  .arrow-bg7 {
    transform: translateY(90%);
  }

  .arrow-bg8 {
    width: 18vw;
    right: 0;
    transform: translateY(250%);
  }
}

@media screen and (max-width: 599px) {
  .strategy-header-container {
    padding-bottom: 14.67vw;
  }
  .arrow-bg1 {
    width: 56vw;
    transform: translate(-37%, -8.5%);
  }

  .arrow-bg2 {
    width: 50vw;
    transform: translate(44%, -10.57%);
  }

  .arrow-bg3 {
    display: none;
  }

  .arrow-bg4 {
    width: 46vw;
    transform: translate(-28%, 4%);
  }

  .arrow-bg5 {
    width: 35vw;
    transform: translateY(-162%);
    left: 1vw;
    z-index: -3;
  }

  .arrow-bg6 {
    width: 65vw;
    right: 0;
    transform: translate(16%, -59%);
    z-index: -3;
  }

  .arrow-bg7 {
    width: 41vw;
    transform: translate(28%, 120%);
  }

  .arrow-bg8 {
    width: 25.5vw;
    right: 0;
    transform: translateY(400%);
  }

  .arrow-bg9 {
    width: 70vw;
    left: 0;
    bottom: 0;
    transform: translateX(-15%);
  }
  .arrow-bg10 {
    width: 36vw;
    left: 0;
    transform: translate(-5%, -25%);
  }

  .arrow-bg11 {
    width: 41.33vw;
    transform: translateY(-95%);
  }
  .arrow-bg12 {
    width: 100vw;
    left: 0;
    transform: translate(0%, -100%);
  }

  .arrow-bg13 {
    width: 78.67vw;
    right: 0;
    transform: translateY(-22%);
  }

  .arrow-bg14 {
    width: 53vw;
    left: 0;
    transform: translate(-5%, -100%);
  }
}

@media screen and (max-width: 486px) {
  .strategy-header-container {
    padding-bottom: 14.67vw;
  }
  .arrow-bg1 {
    width: 56vw;
    transform: translate(-37%, -8.5%);
  }

  .arrow-bg2 {
    width: 50vw;
    transform: translate(44%, -10.57%);
  }

  .arrow-bg3 {
    display: none;
  }

  .arrow-bg4 {
    width: 46vw;
    transform: translate(-28%, 4%);
  }

  .arrow-bg5 {
    width: 35vw;
    transform: translateY(-162%);
    left: 1vw;
    z-index: -3;
  }

  .arrow-bg6 {
    width: 65vw;
    right: 0;
    transform: translate(16%, -59%);
    z-index: -3;
  }

  .arrow-bg7 {
    width: 41vw;
    transform: translate(28%, 227%);
  }

  .arrow-bg8 {
    width: 25.5vw;
    right: 0;
    transform: translateY(625%);
  }

  .arrow-bg9 {
    width: 70vw;
    left: 0;
    bottom: 0;
    transform: translateX(-15%);
  }
}

.strategy-header {
  margin: 0px auto 17.2vw;
  padding-top: 18vw;
  width: 62%;
  position: relative;
  max-width: 960px;
}

#introduction {
  position: relative;
  width: 62%;
  margin: 0 auto;
  max-width: 960px;
}

.introduction-content {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 27px;
  font-weight: 700;
  line-height: 2.6;
  letter-spacing: 2px;
  white-space: nowrap;
  width: fit-content;
  margin: 0 auto;
}

/* .introduction-media-link {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 2px;
  margin-top: 200px;
  padding-bottom: 60px;
}
.introduction-media-link a {
  text-decoration: underline;
}
.movie-text {
  font-family: 'Marcellus', serif;
  font-size: 42px;
} */

#strategy-content {
  width: 100%;
  margin-top: 150px;
  position: relative;
}
.strategy-content-thumb {
  display: flex;
  justify-content: flex-end;
  position: relative;
}
.strategy-content-thumb img {
  width: 81%;
}

#sc-about,
#sc-corporate-model,
#sc-topics,
#sc-hpc {
  max-width: 960px;
  width: 62%;
  margin: 0 auto 7.5vw;
  padding-top: 7.5vw;
  position: relative;
}
#sc-about .sc-label,
#sc-corporate-model .sc-label,
#sc-topics .sc-label {
  font-family: 'Marcellus', serif;
  font-size: 12px;
}
#sc-about .sc-title img,
#sc-corporate-model .sc-title img,
#sc-topics .sc-title img,
#sc-hpc .sc-title img {
  max-height: 29px;
  margin-top: 15px;
  margin-bottom: 70px;
}

#sc-about .sc-title img {
  max-height: 30px;
}

#sc-hpc .sc-title img {
  margin-bottom: 25px;
}
#sc-hpc .sc-hpc-desc {
  margin-top: 70px;
  margin-bottom: 80px;
}
#sc-hpc .sc-hpc-desc img {
  max-height: 67px;
}
#sc-about .sc-text,
#sc-corporate-model .sc-text,
#sc-hpc .sc-text {
  font-family: 'Noto Sans JP', serif;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 0.06rem;
  line-height: 2.5;
  margin-top: 30px;
}

#sc-corporate-model .sc-text {
  margin-top: 70px;
}

#sc-corporate-model .sc-thumb {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  position: relative;
}
#sc-corporate-model .sc-thumb img {
  width: 100%;
  max-width: 840px;
}

#sc-corporate-model .sc-thumb-group-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

#sc-corporate-model .sc-thumb-btn {
  max-width: 172px;
  max-height: 47px;
  background-color: #000;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  border-radius: 4px;
  position: relative;
  margin-bottom: 8px;
}

#sc-corporate-model .sc-thumb-btn::after {
  content: '↓';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  color: #000;
  font-size: 16px;
  font-weight: bold;
}

#sc-corporate-model .sc-thumb-subtitle {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: #000;
  text-align: center;
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.3s ease;
}

#sc-corporate-model .sc-thumb-subtitle:hover {
  color: #666;
}

#sc-corporate-model .sc-explanation {
  font-family: 'Noto Sans JP', serif;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 1px;
  line-height: 2.5;
  margin-top: 110px;
  border: 1px solid #aeaeae;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.8);
  width: 100%;
  height: 747px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sc-hpc .sc-hpc-desc img {
  max-height: 67px;
}

#sc-hpc .sc-hpc-item {
  display: flex;
  align-items: flex-start;
  gap: 50px;
  margin-bottom: 70px;
}

#sc-hpc .sc-hpc-item-number {
  flex-shrink: 0;
  width: 14.3%;
}

#sc-hpc .sc-hpc-item-number img {
  width: 100%;
  height: auto;
}

#sc-hpc .sc-hpc-item-content {
  flex: 1;
}

#sc-hpc .sc-hpc-item-content-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.5;
}

#sc-hpc .sc-hpc-item-content-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 2;
  color: #333;
  letter-spacing: 0.06rem;
}

.sc-articles .sc-article-category,
.sc-articles .date {
  font-family: 'Marcellus', serif;
  font-size: 16px;
  letter-spacing: 1.5px;
}

.sc-articles .sc-article-desc {
  font-family: 'Noto Sans JP', serif;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 1px;
  line-height: 2.5;
}

#sc-topics .sc-articles {
  display: grid;
  grid-template-columns: 45% 45%;
  column-gap: 10%;
  row-gap: 40px;
  justify-content: center;
}

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

#sc-topics .sc-article-item {
  width: 100%;
  aspect-ratio: 380/260;
  position: relative;
  display: flex;
  flex-direction: column;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

#sc-topics .sc-article-item.sc-article-left {
  grid-column: 1;
}

#sc-topics .sc-article-item.sc-article-right {
  grid-column: 2;
  margin-top: 20%;
}

#sc-topics .sc-article-content {
  display: flex;
  gap: 20px;
  flex: 1;
}

#sc-topics .sc-article-left-content {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  flex: 1;
}

#sc-topics .sc-article-category {
  font-family: 'Marcellus', serif;
  font-size: 16px;
  text-decoration: underline;
  color: #000;
}

#sc-topics .sc-article-date {
  font-family: 'Marcellus', serif;
  font-size: 16px;
  color: #000;
}

#sc-topics .sc-article-thumb {
  width: 70%;
  flex-shrink: 0;
  z-index: 1;
  position: relative;
}

#sc-topics .sc-article-thumb img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  position: absolute;
  bottom: 0;
}

#sc-topics .sc-article-item:hover .sc-article-thumb img,
#sc-topics .sc-article-item:hover .sc-article-thumb div {
  opacity: 0.75;
  transition: 0.2s opacity linear;
}

#sc-topics .sc-article-bottom {
  display: flex;
  gap: 4%;
  margin-top: 30px;
}

#sc-topics .sc-article-desc {
  font-family: 'Noto Sans JP', serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 1px;
  line-height: 1.5;
  color: #000;
  width: 70%;
}

#sc-topics .sc-article-arrow {
  width: 26%;
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
}

#sc-topics .sc-article-arrow img {
  width: 100%;
  height: auto;
}

#sc-topics .sc-article-arrow {
  position: relative;
  transition: right 1s cubic-bezier(0.19, 1, 0.22, 1);
  right: 0;
}

#sc-topics .sc-article-item:hover .sc-article-arrow {
  right: -20px;
}

.introduction-media-link {
  margin-top: 100px;
}

.introduction-media-item {
  display: flex;
  align-items: center;
  margin-top: 40px;
}

.introduction-media-item:hover {
  opacity: 0.75;
  transition: 0.2s opacity linear;
}

.introduction-media-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.introduction-media-text {
  /* font-family: 'TsukuOldGothic', sans-serif; */
  font-size: 24px;
  font-weight: 500;
  border-bottom: 2px solid;
  line-height: 1;
  padding-left: 15px;
  letter-spacing: 1px;
}
.introduction-media-text img {
  height: 24px;
}

.introduction-media-time {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 12px;
  margin-top: 6px;
  margin-left: 15px;
}

@media (max-width: 1200px) {
  .introduction-content {
    font-size: 24px;
  }
}
@media (max-width: 959px) {
  .introduction-content {
    font-size: 22px;
  }
}
@media (max-width: 767px) {
  .introduction-content {
    font-size: 20px;
    width: 100%;
  }
}
@media (max-width: 599px) {
  .introduction-content.introduction-content-pc {
    font-size: 17px;
    letter-spacing: 1px;
  }
}

@media (max-width: 490px) {
  .introduction-content.introduction-content-pc {
    font-size: 17px;
    letter-spacing: 0px;
  }
}

@media (max-width: 459px) {
  .introduction-content.introduction-content-pc {
    font-size: 16px;
  }
  .introduction-content.introduction-content-sp {
    font-size: 17px;
    letter-spacing: 0px;
  }
}

@media (max-width: 419px) {
  .introduction-content.introduction-content-pc {
    font-size: 15px;
  }
}

@media (max-width: 399px) {
  .introduction-content.introduction-content-pc {
    font-size: 14px;
  }
}

@media (max-width: 379px) {
  .introduction-content.introduction-content-pc {
    font-size: 13px;
  }
}

@media (max-width: 359px) {
  .introduction-content.introduction-content-pc {
    font-size: 12px;
  }
  .introduction-content.introduction-content-sp {
    font-size: 16px;
  }
}

@media (max-width: 349px) {
  .introduction-content.introduction-content-sp {
    font-size: 15px;
  }
}

@media (max-width: 319px) {
  .introduction-content.introduction-content-pc {
    font-size: 11px;
  }
  .introduction-content.introduction-content-sp {
    font-size: 14px;
  }
}

@media (max-width: 300px) {
  .introduction-content.introduction-content-sp {
    font-size: 13px;
  }
}

@media (max-width: 289px) {
  .introduction-content.introduction-content-pc {
    white-space: pre-wrap;
  }
  .introduction-content.introduction-content-sp {
    font-size: 12px;
  }
}

@media (max-width: 959px) {
  .strategy-header {
    width: 83%;
  }
  #introduction {
    width: 83%;
    max-width: 840px;
    margin: 0 auto;
  }
  .strategy-content-thumb img {
    width: 91.5%;
  }
  #sc-about,
  #sc-corporate-model,
  #sc-topics,
  #sc-hpc {
    width: 83%;
  }

  #sc-hpc .sc-hpc-item-number {
    width: 15%;
  }

  #sc-hpc .sc-hpc-item {
    gap: 30px;
  }
}

@media (max-width: 599px) {
  #introduction {
    width: 83%;
    margin: 0 auto;
  }
  .strategy-header {
    margin: 0px auto 47vw;
    padding-top: 37.86vw;
    width: 83%;
  }
  #sc-about,
  #sc-corporate-model,
  #sc-topics,
  #sc-hpc {
    margin: 0 auto 20vw;
    padding-top: 20vw;
    position: relative;
  }

  #sc-about .sc-label,
  #sc-corporate-model .sc-label,
  #sc-topics .sc-label {
    font-size: 10px;
  }
  #sc-about .sc-title img,
  #sc-corporate-model .sc-title img,
  #sc-hpc .sc-title img {
    max-height: 22px;
  }

  #sc-topics .sc-title img {
    max-width: 256px;
    max-height: unset;
  }

  #sc-about .sc-text,
  #sc-corporate-model .sc-text,
  #sc-hpc .sc-text {
    font-size: 14px;
  }

  .strategy-content-thumb img {
    width: 91.5%;
  }

  #sc-hpc .sc-hpc-desc img {
    width: 100%;
    max-width: 311px;
    max-height: unset;
    image-rendering: -webkit-optimize-contrast; /* Safari/Chrome */
    image-rendering: crisp-edges;
  }

  #sc-topics .sc-articles {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 40px;
  }

  #sc-topics .sc-article-item {
    width: 100%;
  }

  #sc-topics .sc-article-category {
    font-size: 15px;
  }

  #sc-topics .sc-article-date {
    font-size: 15px;
  }

  #sc-topics .sc-article-desc {
    font-size: 14px;
  }

  #sc-topics .sc-article-item.sc-article-left,
  #sc-topics .sc-article-item.sc-article-right {
    grid-column: 1;
    margin-top: 0;
  }

  .introduction-media-text img {
    height: 16px;
  }

  .introduction-media-time {
    font-size: 10px;
    margin-top: 2px;
  }

  .introduction-media-item svg {
    width: 40px;
    height: 40px;
  }

  #sc-hpc .sc-hpc-item {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
  }

  #sc-hpc .sc-hpc-item-number {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
  }

  #sc-hpc .sc-hpc-item-number img {
    width: 15%;
    min-width: 56px;
    height: auto;
    flex-shrink: 0;
  }

  #sc-hpc .sc-hpc-item-header {
    display: flex;
    align-items: center;
    gap: 20px;
  }

  #sc-hpc .sc-hpc-item-content-title.is-stg-sp {
    font-size: 18px;
    margin-left: 15px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    flex: 1;
  }

  #sc-hpc .sc-hpc-item-content-text.is-stg-sp {
    font-size: 13px;
    margin-top: 15px;
  }
}