#cloud14 {
  width: 806px;
  height: 725px;
  top: -580px;
  left: -220px;
  opacity: 0;
}
@media screen and (max-width: 767px) {
  #cloud14 {
    width: 125vw;
    height: 112vw;
    top: -90vw;
    left: -30vw;
  }
}

main #hero {
  min-height: 960px;
}
main #hero .cols {
  max-width: 1190px;
  margin: 0 auto;
  padding: 0 40px;
}
main #hero .cols .left {
  margin-top: 215px;
}
main #hero .cols .left h2 {
  font-size: 24px;
  background-color: rgb(242, 159, 0);
  color: white;
  margin-bottom: 45px;
  opacity: 0;
  line-height: 24px;
  font-size: 24px;
  display: inline-block;
  font-weight: normal;
  padding: 0.5em 1em;
  border-radius: 1em;
  letter-spacing: 0.1em;
}
@media screen and (max-width: 767px) {
  main #hero .cols .left h2 {
    font-size: 4.5333333333vw;
    line-height: 4.5333333333vw;
  }
}
main #hero .cols .left h2 b {
  font-size: 1.1em;
  display: inline-block;
  vertical-align: 0px;
}
main #hero .cols .left h1 {
  line-height: 74px;
  font-size: 54px;
  font-weight: 600;
  letter-spacing: 0.15em;
  opacity: 0;
}
@media screen and (max-width: 767px) {
  main #hero .cols .left h1 {
    font-size: 9.3333333333vw;
    line-height: 13.3333333333vw;
  }
}
main #hero .cols .left h1 .delay-text-item {
  display: inline-block;
  white-space: nowrap;
  margin-bottom: 10px;
}
main #hero .cols .left h1 .delay-text-item:after {
  content: "";
  display: block;
  width: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  border: 7px solid;
  border-image: url("/textbook2024/data/images/dots-orange_7.png") 7 space;
  border-top: none;
  border-left: none;
  border-right: none;
  border-top-width: 0 !important;
  border-left-width: 0 !important;
  border-right-width: 0 !important;
}
.legacy_safari main #hero .cols .left h1 .delay-text-item:after {
  border: 7px solid;
  border-image: url("/textbook2024/data/images/dots-orange_7.png") 8 space;
}
main #hero .cols .left h1 .delay-text-item.show:after {
  opacity: 1;
}
main #hero .cols .left h1 .delay-text-item:first-child .char:last-child {
  letter-spacing: -0.1em;
}
main #hero .cols .left p {
  font-size: 16px;
  line-height: 48px;
  opacity: 0;
  margin-top: 50px;
  letter-spacing: 0.1em;
}
main #hero .cols .right {
  position: relative;
}
main #hero .cols .right #hero-main {
  position: relative;
  margin-top: 65px;
  opacity: 0;
}
main #hero .cols .right #hero-shadow {
  position: absolute;
  bottom: -5%;
  opacity: 0;
}
main #hero .cols .right #cloud1 {
  top: 75%;
  right: -40%;
  width: 909px;
  height: 752px;
  opacity: 0;
}
@media screen and (min-width: 768px) and (max-width: 1199px) {
  main #hero {
    min-height: 90vw;
  }
  main #hero .cols {
    align-items: center;
  }
  main #hero .cols .left {
    margin-top: 20vw;
  }
  main #hero .cols .left h2 {
    margin-bottom: 3vw;
    font-size: 1.8vw;
  }
  main #hero .cols .left h1 {
    font-size: 4vw;
    line-height: 6vw;
  }
  main #hero .cols .left p {
    white-space: nowrap;
    margin-top: 1em;
    position: relative;
    z-index: 1000;
  }
  main #hero .cols .right {
    width: 60%;
  }
  main #hero .cols .right #hero-main {
    width: 100%;
    margin-top: 10vw;
  }
}
@media screen and (max-width: 767px) {
  main #hero {
    min-height: inherit;
  }
  main #hero .cols {
    flex-direction: column-reverse;
    max-width: inherit;
    padding: 0 6vw;
  }
  main #hero .cols .right #hero-main {
    width: 90%;
    margin: 20vw auto 0;
  }
  main #hero .cols .right #cloud1 {
    width: 709px;
    height: 400px;
    transform: rotate(90deg);
    top: 213vw;
    right: 30%;
    margin-right: -350px;
    z-index: 3;
  }
  main #hero .cols .left {
    margin: 0 auto;
    z-index: 100;
  }
  main #hero .cols .left h2 {
    margin: 6rem auto 1rem;
  }
  main #hero .cols .left h1 {
    margin: 0;
  }
  main #hero .cols .left h1 .delay-text-item:after {
    border: 5px solid;
    border-image: url("/textbook2024/data/images/dots-orange_5.png") 5 space;
    border-top: none;
    border-left: none;
    border-right: none;
    border-top-width: 0 !important;
    border-left-width: 0 !important;
    border-right-width: 0 !important;
  }
  .legacy_safari main #hero .cols .left h1 .delay-text-item:after {
    border: 5px solid;
    border-image: url("/textbook2024/data/images/dots-orange_5_square.png") 5 space;
  }
  main #hero .cols .left p {
    font-size: 2.8rem;
    margin: 3rem auto 1rem;
    line-height: 6.8rem;
  }
}
main #news #cloud2 {
  width: 1356px;
  height: 884px;
  top: -150px;
  left: 50%;
  margin-left: -300px;
}
main #news #cloud3 {
  width: 2590px;
  height: 1640px;
  top: 150px;
  left: 50%;
  margin-left: -1260px;
  transform-origin: 50% 0;
}
main #news #cloud2sp2 {
  display: none;
}
main #news .cols {
  max-width: 960px;
  margin: 0 auto;
  justify-content: space-between;
  align-items: stretch;
  position: relative;
  z-index: 100;
}
main #news .cols .left {
  width: 15%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-direction: column;
}
main #news .cols .left h3 {
  line-height: 32px;
  font-size: 32px;
  margin: 0;
  line-height: 1em;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
@media screen and (max-width: 767px) {
  main #news .cols .left h3 {
    font-size: 9.3333333333vw;
    line-height: 9.3333333333vw;
  }
}
main #news .cols .right {
  width: 69%;
  min-width: 700px;
  overflow: hidden;
  transition: height 0.5s;
  z-index: 100;
}
main #news .cols .right ul {
  padding: 0;
  list-style: none;
  margin: 0;
}
main #news .cols .right ul li {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 20px;
}
main #news .cols .right ul li:after {
  content: "";
  position: absolute;
  bottom: 0;
  display: block;
  width: 100%;
  height: 3px;
  background: url("/textbook2024/data/svg/dot-gray.svg") repeat-x 0% 50%;
  opacity: 1;
  transition: opacity 2s ease-in-out 5s;
}
main #news .cols .right ul li div {
  width: 25%;
  white-space: nowrap;
}
main #news .cols .right ul li div .date {
  color: #787878;
  font-size: 14px;
  margin-right: 0.5em;
}
main #news .cols .right ul li span {
  display: inline-block;
}
main #news .cols .right ul li p {
  display: inline-block;
}
main #news.open .button span {
  text-indent: -100px;
}
main #news.open .button span:before {
  transform: rotate(180deg);
}
main #news .button {
  width: 45px;
  height: 45px;
  margin: 40px auto 0;
  position: relative;
  z-index: 100;
  font-size: 14px;
  position: relative;
  display: block;
}
@media screen and (max-width: 767px) {
  main #news .button {
    font-size: 3.22vw;
  }
}
main #news .button span {
  position: relative;
  color: white;
  text-align: center;
  z-index: 100;
  border-radius: 22.5px;
  transition: all 0.3s;
  width: 100%;
  height: 100%;
  background-color: rgb(242, 159, 0);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}
main #news .button:after {
  content: "";
  position: absolute;
  bottom: -7px;
  right: -7px;
  width: 100%;
  height: 100%;
  z-index: 1;
  border-radius: 22.5px;
  background: url("/textbook2024/data/images/dashed_bg_orange.png") repeat bottom right;
}
main #news .button:hover span {
  transform: translate3d(7px, 7px, 0);
}
@media screen and (max-width: 767px) {
  main #news .button:hover span {
    transform: translate3d(2vw, 2vw, 0);
  }
  main #news .button span {
    border-radius: 13vw;
  }
  main #news .button:after {
    border-radius: 13vw;
  }
  main #news .button:after {
    bottom: -2vw;
    right: -2vw;
  }
}
main #news .button span {
  text-indent: -150px;
  overflow: visible;
  color: #454545;
}
main #news .button span:before {
  content: "";
  background: url(/textbook2024/data/svg/button_more.svg) no-repeat 50% 50%;
  width: 45px;
  height: 45px;
  z-index: 101;
  position: absolute;
  top: 0;
  left: 0;
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
  main #news .cols {
    padding: 0 40px;
  }
  main #news .cols .left {
    width: 18%;
  }
  main #news .cols .left h3 {
    font-size: 2.5vw;
  }
  main #news .cols .right {
    width: 78%;
    min-width: inherit;
  }
  main #news .cols .right ul li div {
    width: inherit;
    margin-right: 1em;
  }
}
@media screen and (max-width: 767px) {
  main #news {
    margin-top: 20rem;
  }
  main #news #cloud2 {
    width: 1300px;
    height: 919px;
    margin-left: -220px;
    top: -90vw;
    z-index: 2;
  }
  main #news #cloud3 {
    width: 1540px;
    height: 976px;
    margin-left: -770px;
    top: -90vw;
    z-index: 1;
  }
  main #news #cloud2sp2 {
    width: 1356px;
    height: 884px;
    top: -30vw;
    left: 20%;
    margin-left: -300px;
    display: block;
    z-index: 5;
  }
  main #news .cols {
    padding: 0 6vw;
  }
  main #news .cols .left {
    width: 100%;
    align-items: flex-start;
  }
  main #news .cols .left h3 {
    font-size: 7rem;
    margin-bottom: 5.8rem;
  }
  main #news .cols .right {
    width: 100%;
    min-width: inherit;
  }
  main #news .cols .right ul li {
    flex-direction: column;
  }
  main #news .cols .right ul li div {
    width: 100%;
  }
  main #news .cols .right ul li div .date {
    font-size: 2.4rem;
    margin-bottom: 0.5em;
  }
  main #news .cols .right ul li p {
    font-size: 2.8rem;
  }
  main #news .button {
    float: right;
    font-size: 3.2rem;
    margin: 6vw 6vw 0 0;
    width: 13vw;
    height: 13vw;
    overflow: visible;
  }
  main #news .button span {
    text-indent: -40vw;
  }
  main #news .button span:before {
    width: 13vw;
    height: 13vw;
  }
}
main #textbooks {
  margin-top: 160px;
  text-align: center;
}
main #textbooks .wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 70px 0 88px;
  position: relative;
  display: flex;
  flex-direction: column;
}
main #textbooks .wrap:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  z-index: 100;
  border-radius: 80px;
}
main #textbooks .wrap #cloud4 {
  width: 360px;
  height: 361px;
  top: -100px;
  right: -100px;
  z-index: 99;
}
main #textbooks .wrap h3, main #textbooks .wrap h4 {
  display: inline-block;
  position: relative;
  z-index: 100;
  letter-spacing: 0.1em;
}
main #textbooks .wrap h4 {
  line-height: 18px;
  font-size: 18px;
  margin: 0;
}
@media screen and (max-width: 767px) {
  main #textbooks .wrap h4 {
    font-size: 4.2666666667vw;
    line-height: 4.2666666667vw;
  }
}
main #textbooks .wrap h3 {
  line-height: 32px;
  font-size: 32px;
  margin: 15px auto 50px;
  padding: 0 13px 10px;
  border: 5px solid;
  border-image: url("/textbook2024/data/images/dots-orange_5_1.png") 5 space;
  border-top: none;
  border-left: none;
  border-right: none;
  border-top-width: 0 !important;
  border-left-width: 0 !important;
  border-right-width: 0 !important;
}
@media screen and (max-width: 767px) {
  main #textbooks .wrap h3 {
    font-size: 8vw;
    line-height: 8vw;
  }
}
.legacy_safari main #textbooks .wrap h3 {
  border: 5px solid;
  border-image: url("/textbook2024/data/images/dots-orange_5_1_square.png") 5 space;
}
main #textbooks .wrap p {
  line-height: 31px;
  font-size: 18px;
  margin-bottom: 70px;
  position: relative;
  z-index: 1000;
}
@media screen and (max-width: 767px) {
  main #textbooks .wrap p {
    font-size: 3.7333333333vw;
    line-height: 6.1333333333vw;
  }
}
main #textbooks .wrap .cols {
  z-index: 200;
  position: relative;
}
main #textbooks .wrap .cols > div > div {
  width: 337px;
  padding: 60px 0 23px;
  background-color: rgb(249, 241, 220);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  border-radius: 40px;
}
main #textbooks .wrap .cols > div > div .carousel {
  width: 100%;
  height: 100%;
}
main #textbooks .wrap .cols > div > div .carousel a {
  display: block;
  width: 100%;
  height: 296px;
}
main #textbooks .wrap .cols > div > div .carousel a img {
  height: 100%;
  transition: all 0.5s;
  opacity: 1;
  display: block;
  margin: 0 auto;
}
main #textbooks .wrap .cols > div > div .carousel a:hover img {
  opacity: 0.7;
}
main #textbooks .wrap .cols .left {
  margin-right: 90px;
}
main #textbooks .wrap .cols p {
  line-height: 26px;
  font-size: 26px;
  display: inline-block;
  position: relative;
  padding: 0 9px 12px;
  margin-top: 20px;
  margin-bottom: 5px;
  border: 4px solid;
  border-image: url("/textbook2024/data/images/dots-orange_4_2.png") 4 space;
  border-top: none;
  border-left: none;
  border-right: none;
  border-top-width: 0 !important;
  border-left-width: 0 !important;
  border-right-width: 0 !important;
}
@media screen and (max-width: 767px) {
  main #textbooks .wrap .cols p {
    font-size: 4.8vw;
    line-height: 4.8vw;
  }
}
.legacy_safari main #textbooks .wrap .cols p {
  border: 4px solid;
  border-image: url("/textbook2024/data/images/dots-orange_4_2_square.png") 4 space;
}
main #textbooks .wrap #cloud5 {
  width: 447px;
  height: 428px;
  bottom: -200px;
  left: -200px;
  z-index: 99;
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
  main #textbooks {
    padding: 0 40px;
  }
  main #textbooks .wrap .cols > div {
    width: 40%;
  }
  main #textbooks .wrap .cols > div > div {
    width: 100%;
  }
  main #textbooks .wrap .cols .left {
    margin-right: 5%;
  }
}
@media screen and (max-width: 767px) {
  main #textbooks {
    margin-top: 30vw;
    padding: 6vw;
  }
  main #textbooks #cloud3b {
    width: 210vw;
    height: 133vw;
    top: -20vw;
    left: 50%;
    margin-left: -100vw;
    z-index: 10;
  }
  main #textbooks .wrap {
    border-radius: 10vw;
    padding: 10vw 0 5vw 0;
    z-index: 220;
  }
  main #textbooks .wrap:before {
    border-radius: 10.6666666667vw;
  }
  main #textbooks .wrap h3 {
    margin-bottom: 5vw;
    padding: 0 5vw 4vw;
  }
  main #textbooks .wrap #cloud4 {
    width: 38vw;
    height: 47vw;
    top: -25vw;
    right: inherit;
    left: -10vw;
    z-index: 99;
  }
  main #textbooks .wrap p {
    padding: 0 10vw;
    text-align: left;
    margin-bottom: 10vw;
  }
  main #textbooks .wrap .cols {
    padding: 0 12vw;
  }
  main #textbooks .wrap .cols > div > div {
    width: auto;
    border-radius: 5vw;
    margin-bottom: 8vw;
    padding: 10vw 0 5vw;
  }
  main #textbooks .wrap .cols > div > div .carousel a {
    height: auto;
  }
  main #textbooks .wrap .cols > div > div .carousel a img {
    height: 56vw;
    opacity: 1;
  }
  main #textbooks .wrap .cols .left {
    margin: 0;
    width: 100%;
  }
  main #textbooks .wrap .cols .right {
    margin: 0;
    width: 100%;
  }
  main #textbooks .wrap .cols p {
    font-size: 3.6rem;
    padding: 0 1.3vw 1.5vw;
    margin-top: 5vw;
  }
  main #textbooks .wrap #cloud5 {
    width: 59vw;
    height: 56vw;
    bottom: -25vw;
    left: -25vw;
    z-index: 99;
  }
}
main #read {
  margin-top: 110px;
  padding-bottom: 220px;
  text-align: center;
}
main #read #cloud6 {
  width: 1417px;
  height: 1454px;
  top: -300px;
  left: 50%;
  margin-left: -200px;
  z-index: 98;
  transform-origin: 50% 0;
}
main #read #cloud7 {
  width: 374px;
  height: 430px;
  top: -100px;
  right: -100px;
  z-index: 99;
}
main #read #cloud10 {
  width: 2497px;
  height: 2369px;
  top: 708px;
  left: 50%;
  z-index: 98;
  margin-left: -1248px;
  transform-origin: 50% 0;
  margin-bottom: -2000px;
}
main #read #cloud9 {
  width: 310px;
  height: 284px;
  top: 667px;
  left: -109px;
  z-index: 99;
}
main #read #cloud11 {
  width: 436px;
  height: 456px;
  top: 1086px;
  left: 927px;
  z-index: 99;
}
main #read #cloud12 {
  width: 2558px;
  height: 1757px;
  top: 1290px;
  left: 50%;
  margin-left: -1200px;
  z-index: 98;
}
@media screen and (max-width: 767px) {
  main #read #cloud6 {
    width: 188vw;
    height: 184vw;
    top: -265vw;
    left: 50%;
    margin-left: -90vw;
    z-index: 98;
  }
  main #read #cloud7 {
    width: 49vw;
    height: 57vw;
    top: -25vw;
    right: -10vw;
    z-index: 99;
  }
  main #read #cloud9 {
    width: 54vw;
    height: 49vw;
    top: inherit;
    bottom: -25vw;
    left: -10vw;
    z-index: 98;
  }
  main #read #cloud10 {
    width: 332vw;
    height: 315vw;
    top: -160vw;
    left: 50%;
    margin-left: -150vw;
    z-index: 90;
  }
  main #read #cloud11 {
    width: 58vw;
    height: 61vw;
    top: inherit;
    bottom: -120vw;
    left: 60vw;
    z-index: 99;
  }
  main #read #cloud12 {
    z-index: 90;
  }
  main #read #cloud12a {
    width: 227vw;
    height: 171vw;
    top: -100vw;
    left: 50%;
    margin-left: -110vw;
    z-index: 91;
  }
  main #read #cloud15 {
    width: 196vw;
    height: 106vw;
    top: -55vw;
    left: 50%;
    margin-left: -75vw;
    z-index: 92;
  }
  main #read #cloud15a {
    width: 196vw;
    height: 106vw;
    bottom: -88vw;
    left: 50%;
    margin-left: -75vw;
    z-index: 97;
    transform: rotate(40deg);
  }
}
main #read .footprints {
  position: absolute;
  z-index: 200;
}
main #read .footprints img {
  position: absolute;
  transform-origin: 0% 100%;
}
main #read .footprints img.footprint1 {
  width: 58px;
  height: 50px;
}
main #read .footprints img.footprint2 {
  width: 65px;
  height: 40px;
}
@media screen and (max-width: 767px) {
  main #read .footprints img.footprint1 {
    width: 13vw;
    height: 11vw;
  }
  main #read .footprints img.footprint2 {
    width: 15vw;
    height: 9.2vw;
  }
}
main #read .footprints#foot-prints-1 {
  top: 209px;
  right: 184px;
}
main #read .footprints#foot-prints-1 img:nth-child(1) {
  left: 0px;
  bottom: 16px;
}
main #read .footprints#foot-prints-1 img:nth-child(2) {
  left: 55px;
  bottom: 0;
}
main #read .footprints#foot-prints-1 img:nth-child(3) {
  left: 98px;
  bottom: 78px;
  transform: rotate(-30deg);
}
main #read .footprints#foot-prints-1 img:nth-child(4) {
  left: 155px;
  bottom: 90px;
  transform: rotate(-20deg);
}
main #read .footprints#foot-prints-1 img:nth-child(5) {
  left: 166px;
  bottom: 189px;
  transform: rotate(0deg);
}
main #read .footprints#foot-prints-1 img:nth-child(6) {
  left: 223px;
  bottom: 180px;
  transform: rotate(0deg);
}
@media screen and (max-width: 767px) {
  main #read .footprints#foot-prints-1 {
    right: inherit;
    left: 45vw;
    top: 25vw;
    transform: rotate(-20deg);
  }
  main #read .footprints#foot-prints-1 img:nth-child(1) {
    left: 0px;
    bottom: 3.2vw;
  }
  main #read .footprints#foot-prints-1 img:nth-child(2) {
    left: 11vw;
    bottom: 0;
  }
  main #read .footprints#foot-prints-1 img:nth-child(3) {
    left: 19.6vw;
    bottom: 15.6vw;
  }
  main #read .footprints#foot-prints-1 img:nth-child(4) {
    left: 31vw;
    bottom: 18vw;
  }
  main #read .footprints#foot-prints-1 img:nth-child(5) {
    left: 33.2vw;
    bottom: 37.8vw;
  }
  main #read .footprints#foot-prints-1 img:nth-child(6) {
    left: 44.6vw;
    bottom: 36vw;
  }
}
main #read .footprints#foot-prints-2 {
  top: 830px;
  left: 147px;
}
main #read .footprints#foot-prints-2 img:nth-child(1) {
  left: 0px;
  bottom: 0px;
  transform: rotate(-20deg);
}
main #read .footprints#foot-prints-2 img:nth-child(2) {
  left: 57px;
  bottom: 10px;
  transform: rotate(-20deg);
}
main #read .footprints#foot-prints-2 img:nth-child(3) {
  left: 45px;
  bottom: 98px;
  transform: rotate(-40deg);
}
main #read .footprints#foot-prints-2 img:nth-child(4) {
  left: 100px;
  bottom: 125px;
  transform: rotate(-40deg);
}
main #read .footprints#foot-prints-2 img:nth-child(5) {
  left: 74px;
  bottom: 233px;
  transform: rotate(-10deg);
}
main #read .footprints#foot-prints-2 img:nth-child(6) {
  left: 131px;
  bottom: 226px;
  transform: rotate(-10deg);
}
main #read .footprints#foot-prints-2 img:nth-child(7) {
  left: 154px;
  bottom: 322px;
  transform: rotate(0deg);
}
main #read .footprints#foot-prints-2 img:nth-child(8) {
  left: 209px;
  bottom: 307px;
  transform: rotate(0deg);
}
@media screen and (max-width: 767px) {
  main #read .footprints#foot-prints-2 {
    display: none;
  }
}
main #read .footprints#foot-prints-3 {
  top: 1377px;
  left: -132px;
}
main #read .footprints#foot-prints-3 img:nth-child(1) {
  left: 0px;
  bottom: 42px;
  transform: rotate(20deg);
}
main #read .footprints#foot-prints-3 img:nth-child(2) {
  left: 46px;
  bottom: 10px;
  transform: rotate(20deg);
}
main #read .footprints#foot-prints-3 img:nth-child(3) {
  left: 104px;
  bottom: 83px;
  transform: rotate(0deg);
}
main #read .footprints#foot-prints-3 img:nth-child(4) {
  left: 159px;
  bottom: 66px;
  transform: rotate(0deg);
}
main #read .footprints#foot-prints-3 img:nth-child(5) {
  left: 195px;
  bottom: 153px;
  transform: rotate(-20deg);
}
main #read .footprints#foot-prints-3 img:nth-child(6) {
  left: 252px;
  bottom: 161px;
  transform: rotate(-20deg);
}
main #read .footprints#foot-prints-3 img:nth-child(7) {
  left: 241px;
  bottom: 247px;
  transform: rotate(-40deg);
}
main #read .footprints#foot-prints-3 img:nth-child(8) {
  left: 295px;
  bottom: 270px;
  transform: rotate(-40deg);
}
@media screen and (max-width: 767px) {
  main #read .footprints#foot-prints-3 {
    top: inherit;
    bottom: -45vw;
    left: 10vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(1) {
    left: 0;
    bottom: 8.4vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(2) {
    left: 9.2vw;
    bottom: 2vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(3) {
    left: 20.8vw;
    bottom: 16.6vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(4) {
    left: 31.8vw;
    bottom: 13.2vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(5) {
    left: 39vw;
    bottom: 30.6vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(6) {
    left: 50.4vw;
    bottom: 32.2vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(7) {
    left: 48.2vw;
    bottom: 49.4vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(8) {
    left: 59vw;
    bottom: 54vw;
  }
  main #read .footprints#foot-prints-3 img:nth-child(9) {
    left: 52vw;
    bottom: 76vw;
    transform: rotate(-20deg);
  }
  main #read .footprints#foot-prints-3 img:nth-child(10) {
    left: 65vw;
    bottom: 78vw;
    transform: rotate(-20deg);
  }
}
main #read #books {
  position: absolute;
  width: 173px;
  height: 139px;
  left: 90px;
  top: 0px;
  z-index: 300;
  animation: shake 1.5s infinite alternate linear;
}
main #read #light {
  position: absolute;
  width: 84px;
  height: 104px;
  right: -40px;
  top: 810px;
  z-index: 300;
  animation: shake 1.5s 0.3s infinite alternate linear;
}
main #read #book {
  position: absolute;
  width: 149px;
  height: 155px;
  left: 288px;
  top: 1502px;
  z-index: 300;
  animation: shake 1.5s 0.6s infinite alternate linear;
}
@media screen and (max-width: 767px) {
  main #read #books {
    width: 38vw;
    height: 30vw;
    top: -10vw;
    left: 5vw;
  }
  main #read #light {
    width: 19vw;
    height: 24vw;
    top: 240vw;
    left: 75vw;
  }
  main #read #book {
    width: 32vw;
    height: 33vw;
    top: inherit;
    bottom: -15vw;
    left: 10vw;
  }
}
main #read .wrap {
  width: 1107px;
  height: 1608px;
  margin: 0 auto;
  position: relative;
  text-align: left;
  padding: 200px 0 0 487px;
  box-sizing: border-box;
  z-index: 200;
}
main #read .wrap:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("/textbook2024/data/svg/cloud8.svg") no-repeat 0 50%;
  background-size: 100% 100%;
  z-index: 100;
}
main #read .wrap h3 {
  line-height: 33px;
  font-size: 30px;
  margin: 0 0 40px 0;
  position: relative;
  z-index: 200;
  letter-spacing: 0.11em;
}
@media screen and (max-width: 767px) {
  main #read .wrap h3 {
    font-size: 8vw;
    line-height: 8.8vw;
  }
}
main #read .wrap h3 span {
  padding-bottom: 10px;
  margin-bottom: 25px;
  display: inline-block;
  position: relative;
  white-space: nowrap;
  border: 5px solid;
  border-image: url("/textbook2024/data/images/dots-orange_5_1.png") 5 space;
  border-top: none;
  border-left: none;
  border-right: none;
  border-top-width: 0 !important;
  border-left-width: 0 !important;
  border-right-width: 0 !important;
}
.legacy_safari main #read .wrap h3 span {
  border: 5px solid;
  border-image: url("/textbook2024/data/images/dots-orange_5_1_square.png") 5 space;
}
main #read .wrap h3 span.mb {
  margin-bottom: 1em;
}
main #read .wrap h3 span b {
  margin-right: -0.5em;
  display: inline-block;
}
main #read .wrap p {
  line-height: 48px;
  margin-bottom: 1.5em;
  position: relative;
  z-index: 200;
  letter-spacing: 0.1em;
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
  main #read .wrap {
    width: 160vw;
    height: auto;
    margin-left: -30vw;
    box-sizing: border-box;
    padding-left: 60%;
    padding-bottom: 10vw;
  }
  main #read .wrap:before {
    background-size: 100% 100%;
  }
  main #read .wrap h3 {
    font-size: 2.5vw;
  }
  main #read #books {
    left: 45vw;
  }
  main #read #light {
    left: 110vw;
  }
  main #read #book {
    top: inherit;
    bottom: 2vw;
    left: 35vw;
  }
  main #read .footprints#foot-prints-1 {
    right: 40%;
  }
  main #read .footprints#foot-prints-2 {
    left: 14%;
  }
  main #read .footprints#foot-prints-3 {
    left: 52%;
    top: inherit;
    bottom: 0vw;
  }
  main #read .sp-inline {
    display: inline !important;
  }
}
@media screen and (max-width: 767px) {
  main #read {
    margin-top: 50vw;
    padding-bottom: 110vw;
  }
  main #read .wrap {
    width: 100%;
    height: auto;
    padding: 46vw 6vw 30vw;
  }
  main #read .wrap:before {
    width: 174vw;
    left: -27vw;
    background-image: url("/textbook2024/data/svg/cloud8_sp.svg");
  }
  main #read .wrap h3 {
    margin: 0 0 15vw 0;
    letter-spacing: 0.1em;
  }
  main #read .wrap h3 span {
    margin-bottom: 4vw;
    padding-bottom: 2.6666666667vw;
  }
  main #read .wrap h3 span.mb {
    margin-bottom: 8vw;
  }
  main #read .wrap p {
    font-size: 2.8rem;
    line-height: 11vw;
  }
}

@keyframes shake {
  0% {
    transform: rotate(5deg);
  }
  48% {
    transform: rotate(5deg);
  }
  52% {
    transform: rotate(-5deg);
  }
  100% {
    transform: rotate(-5deg);
  }
}
