@charset "Shift_JIS";
/* CSS Document */
body {
  opacity: 0;
  background-color: #ffffff;
  font-family: 'Noto Sans JP', '小塚ゴシック Pro', 'Kozuka Gothic Pro', '游ゴシック', YuGothic, 'ヒラギノ角ゴ Pro', 'Hiragino Kaku Gothic Pro', 'メイリオ', 'Meiryo', sans-serif;
  font-weight: 500;
  overflow-x: hidden;
  transition: opacity 0.3s;
}

#user_wrapper {
  overflow-x: hidden;
  max-width: 1020px;
  width: 100%;
  margin: 0 auto;
}

.inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 30px;
}
.under-tab {
  display: none;
}
.over-tab {
  display: inherit;
}
#header {
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding-top: 34px;
  padding-bottom: 45px;
}
#header img {
  width: 346px;
}
#header ul {
  width: 549px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
#header ul li {
  background: rgb(121, 33, 55);
  background: linear-gradient(90deg, rgba(121, 33, 55, 1) 0%, rgba(121, 33, 55, 1) 36%, rgba(220, 30, 53, 1) 100%);
  border-radius: 36px;
  height: 73px;
  font-size: 28px;
  font-weight: 700;
}
#header ul li:nth-of-type(1) {
  width: 330px;
}
#header ul li:nth-of-type(2) {
  width: 209px;
}
#header ul li a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  text-decoration: none;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
#hero {
  position: relative;
  padding-left: 30px;
  padding-right: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  height: 0; /* 必ず「0」に指定 */
  padding-top: 100%; /* ココを指定 */
}
#hero video {
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}
#hero h1 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: 903px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#hero h1 .line1 {
  font-weight: 700;
  font-size: 75px;
  line-height: 1;
  margin-bottom: 19px;
  margin-left: 80px;
}
#hero h1 .line2 {
  font-weight: 700;
  font-size: 51px;
  line-height: 1;
  margin-bottom: 32px;
}
#hero h1 .fix-ls {
  letter-spacing: -0.36em;
}
#sentence {
  padding: 94px 30px 440px 30px;
  font-size: 28px;
  font-weight: 400;
  line-height: 2;
  color: #ffffff;
}
#sentence video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
#sentence #video1:after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000000;
  opacity: 0.85;
  mix-blend-mode: multiply;
}
#sentence #video2:after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #595757;
  opacity: 0.85;
  mix-blend-mode: multiply;
}
#sentence #video1 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100svh;
  pointer-events: none;
}
#sentence #video2 {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100vw;
  height: 100svh;
  pointer-events: none;
}
#sentence p {
  position: relative;
  z-index: 1;
}
#ai {
  margin-bottom: 194px;
}
#ai h2 {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 40px;
  margin-top: 180px;
  margin-bottom: 55px;
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
  max-width: 515px;
  width: 100%;
  height: 84px;
  border: 3px solid #aa1e34;
  box-shadow: 4px 6px 0 #aa1e34;
  color: #aa1e34;
}
#ai h2:before {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 0px 0 4px;
  border-color: #aa1e34 transparent transparent transparent;
  position: absolute;
  left: -3px;
  bottom: -9px;
}
#ai h2:after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 4px 6px 0px;
  border-color: transparent transparent #aa1e34 transparent;
  position: absolute;
  right: -6px;
  top: -3px;
}

#ai .chapter {
  padding-bottom: 281px;
}
#ai h3 {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-left: 40px;
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
  color: #fff;
  height: 84px;
}
#ai h3:before {
  content: '';
  position: absolute;
  z-index: -1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: url('../img/lead_bg.png') no-repeat;
  background-size: 100% 100%;
}
#ai .chapter .flex {
  margin-top: 86px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
}
#ai .chapter .reverse .img {
  order: 2;
}
#ai .chapter .reverse .txts {
  order: 1;
}
#ai .chapter .flex .img {
  margin-top: 12px;
  width: 38.51%;
}
#ai .chapter .flex .txts {
  width: 55%;
}
#ai .chapter .flex .txts p:nth-of-type(1) {
  font-size: 40px;
  line-height: 1.4;
  color: #aa1e34;
  margin-bottom: 38px;
}
#ai .chapter .flex .txts p:nth-of-type(2) {
  font-size: 28px;
  line-height: 1.67;
  font-weight: 400;
}
#ai .flow p {
  font-size: 28px;
  line-height: 1.67;
  font-weight: 400;
  margin-top: 28px;
  margin-bottom: 60px;
}
#ai .flow ol {
  padding-left: 50px;
  padding-right: 50px;
}
#ai .flow li {
  display: flex;
  flex-direction: row;
  position: relative;
  border-radius: 18px;
  border: 2px solid #aa1e34;
  width: 100%;
  height: 105px;
  margin-bottom: 36px;
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}
#ai .flow li span {
}
#ai .flow li:nth-of-type(3):before,
#ai .flow li:nth-of-type(4):before {
  content: '';
  position: absolute;
  right: -33px;
  top: -96px;
  width: 117px;
  height: 117px;
  background: url('../img/flow_balloon.png') no-repeat;
  background-size: 100% 100%;
}
#ai .flow li:nth-of-type(4):before {
  top: -61px;
}
#ai .flow li:nth-of-type(1):after,
#ai .flow li:nth-of-type(2):after,
#ai .flow li:nth-of-type(3):after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 36px 60px 0 60px;
  border-color: #dcdddd transparent transparent transparent;
  bottom: -38px;
}
#ai .flow li span:nth-of-type(1) {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #aa1e34;
  min-width: 101px;
  height: 100%;
  border-radius: 14px 0 0 14px;
  color: #fff;
}
#ai .flow li span:nth-of-type(1):after {
  content: '';
  position: absolute;
  top: 50%;
  right: -15px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 17.5px 0 17.5px 16px;
  border-color: transparent transparent transparent #aa1e34;
}
#ai .flow li span:nth-of-type(2) {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding-left: 50px;
}
#ai .flow li span:nth-of-type(3) {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
#banner {
  position: fixed;
  z-index: 999;
  right: 25px;
  bottom: 25px;
}
#banner a img {
  width: 204px;
}
.btnArea {
  background-color: #b40033;
  width: 100%;
  padding: 40px 23px;
  text-align: center;
  margin-bottom: 88px;
}
.btnArea ul {
  width: 100%;
  gap: 38px 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.btnArea ul li p {
  color: #fff;
  font-size: 28px;
  line-height: 1;
  margin-bottom: 20px;
}
.btnArea ul li a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  color: #aa1e34;
  text-decoration: none;
  width: 100%;
  font-size: 33px;
  font-weight: 500;
  line-height: 1.33;
}
.btnArea ul li a:before {
  content: '';
  width: 21px;
  height: 54px;
  position: absolute;
  left: 17px;
  top: 50%;
  transform: translateY(-50%);
  background: url('../img/btnArea_arrow.png') no-repeat;
  background-size: 100% 100%;
}
.btnArea ul li:nth-of-type(1) {
  width: 100%;
}
.btnArea ul li:nth-of-type(2),
.btnArea ul li:nth-of-type(3) {
  width: 49.34%;
}
.btnArea ul li:nth-of-type(1) a {
  height: 141px;
}
.btnArea ul li:nth-of-type(2) a,
.btnArea ul li:nth-of-type(3) a {
  height: 106px;
}

#footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #000;
  color: #fff;
  padding: 55px 30px 126px 30px;
}
#footer img {
  margin-bottom: 55px;
  width: 126px;
}
#footer p {
  font-size: 33px;
  line-height: 1.33;
  text-align: center;
}

@media screen and (max-width: 1050px) {
  .inner {
    padding: 0 30px;
  }
  body {
    width: 100%;
    min-width: 320px;
  }
  #header {
    padding-top: 28px;
    padding-bottom: 30px;
  }
  #header img {
    width: 245px;
  }
  #header ul {
    width: 387px;
  }
  #header ul li {
    border-radius: 26px;
    height: 52px;
    font-size: 18px;
  }
  #header ul li:nth-of-type(1) {
    width: 233px;
  }
  #header ul li:nth-of-type(2) {
    width: 148px;
  }
  #hero h1 .line1 {
    font-size: 53px;
    margin-bottom: 11px;
    margin-left: -10px;
  }
  #hero h1 .line2 {
    font-size: 36px;
    margin-bottom: 32px;
    margin-left: -60px;
  }
  #sentence {
    padding: 66px 0 317px 0;
    font-size: 20px;
    line-height: 1.66;
  }
  #ai {
    margin-bottom: 135px;
  }
  #ai h2 {
    padding-left: 30px;
    margin-top: 126px;
    margin-bottom: 38px;
    font-size: 28px;
    max-width: 363px;
    height: 59px;
  }
  #ai .chapter {
    padding-bottom: 130px;
  }
  #ai h3 {
    padding-left: 30px;
    font-size: 28px;
    height: 59px;
  }
  #ai .chapter .flex {
    margin-top: 60px;
    align-items: center;
  }
  #ai .chapter .reverse .img {
    order: 2;
  }
  #ai .chapter .reverse .txts {
    order: 1;
  }
  #ai .chapter .flex .img {
    margin-top: 9px;
    width: 27%;
  }
  #ai .chapter .flex .txts {
    width: 66%;
  }
  #ai .chapter .flex .txts p:nth-of-type(1) {
    font-size: 28px;
    margin-bottom: 24px;
  }
  #ai .chapter .flex .txts p:nth-of-type(2) {
    font-size: 20px;
  }
  #ai .flow p {
    font-size: 20px;
    margin-top: 23px;
    margin-bottom: 41px;
  }
  #ai .flow ol {
    padding-left: 20px;
    padding-right: 20px;
  }
  #ai .flow li {
    width: 100%;
    height: 74px;
    margin-bottom: 36px;
    font-size: 28px;
  }
  #ai .flow li:nth-of-type(3):before,
  #ai .flow li:nth-of-type(4):before {
    right: -50px;
    top: -76px;
    transform: scale(0.6);
  }
  #ai .flow li:nth-of-type(4):before {
    top: -40px;
  }
  #ai .flow li span:nth-of-type(1) {
    min-width: 71px;
  }
  #ai .flow li span:nth-of-type(2) {
    padding-left: 30px;
  }
  .btnArea {
    background-color: #b40033;
    width: 100%;
    padding: 28px 16px;
    text-align: center;
    margin-bottom: 60px;
  }
  .btnArea ul {
    gap: 28px 0;
  }
  .btnArea ul li p {
    font-size: 20px;
    margin-bottom: 13px;
  }
  .btnArea ul li a {
    height: 100px;
    font-size: 23px;
  }
  .btnArea ul li a:before {
    width: 15px;
    height: 38px;
    left: 14px;
  }
  .btnArea ul li:nth-of-type(2),
  .btnArea ul li:nth-of-type(3) {
    width: 49.34%;
  }
  .btnArea ul li:nth-of-type(1) a {
    height: 100px;
  }
  .btnArea ul li:nth-of-type(2) a,
  .btnArea ul li:nth-of-type(3) a {
    height: 74px;
  }

  #footer {
    padding: 55px 30px 86px 30px;
  }
  #footer img {
    margin-bottom: 34px;
    width: 89px;
  }
  #footer p {
    font-size: 23px;
  }
}

@media screen and (max-width: 750px) {
  .under-tab {
    display: inline-block;
  }
  .over-tab {
    display: none;
  }

  .inner {
    padding: 0 20px;
  }
  body {
    width: 100%;
    min-width: 320px;
  }
  #header {
    padding-top: 21px;
    padding-bottom: 23px;
  }
  #header img {
    width: 60px;
  }
  #header ul {
    width: 315px;
  }
  #header ul li {
    border-radius: 21px;
    height: 42px;
    font-size: 16px;
  }
  #header ul li:nth-of-type(1) {
    width: 189px;
  }
  #header ul li:nth-of-type(2) {
    width: 120px;
  }
  #hero h1 .line1 {
    font-size: 40px;
    margin-bottom: 11px;
    margin-left: 10px;
    text-shadow: -3px -3px 10px rgba(0, 0, 0, 0.16);
  }
  #hero h1 .line2 {
    font-size: 26px;
    margin-bottom: 12px;
    margin-left: -40px;
    text-shadow: -3px -3px 10px rgba(0, 0, 0, 0.16);
  }
  #hero video {
  }
  #sentence {
    padding: 50px 0 200px 0;
    font-size: 16px;
    line-height: 1.66;
  }
  #ai {
    margin-bottom: 80px;
  }
  #ai h2 {
    padding-left: 25px;
    margin-top: 70px;
    margin-bottom: 31px;
    font-size: 22px;
    max-width: 295px;
    height: 48px;
  }
  #ai .chapter {
    padding-bottom: 70px;
  }
  #ai h3 {
    padding-left: 25px;
    font-size: 28px;
    height: 48px;
  }
  #ai .chapter .flex {
    margin-top: 30px;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
  }
  #ai .chapter .reverse .img {
    order: 1;
  }
  #ai .chapter .reverse .txts {
    order: 2;
  }
  #ai .chapter .flex .img {
    margin-top: 0;
    width: 100%;
    max-width: 300px;
    margin-bottom: 30px;
  }
  #ai .chapter .flex .txts {
    width: 100%;
  }
  #ai .chapter .flex .txts p:nth-of-type(1) {
    font-size: 22px;
    margin-bottom: 24px;
  }
  #ai .chapter .flex .txts p:nth-of-type(2) {
    font-size: 16px;
  }
  #ai .flow p {
    font-size: 16px;
    margin-top: 21px;
    margin-bottom: 34px;
  }
  #ai .flow ol {
    padding-left: 0;
    padding-right: 0;
  }
  #ai .flow li {
    width: 100%;
    height: 60px;
    margin-bottom: 36px;
    font-size: 18px;
  }
  #ai .flow li:nth-of-type(3):before,
  #ai .flow li:nth-of-type(4):before {
    right: -30px;
    top: -76px;
    transform: scale(0.5);
  }
  #ai .flow li:nth-of-type(4):before {
    top: -40px;
  }
  #ai .flow li span:nth-of-type(1) {
    min-width: 50px;
  }
  #ai .flow li span:nth-of-type(2) {
    padding-left: 20px;
  }
  .btnArea {
    background-color: #b40033;
    width: 100%;
    padding: 24px 13px;
    text-align: center;
    margin-bottom: 50px;
  }
  .btnArea ul {
    gap: 22px 0;
  }
  .btnArea ul li p {
    font-size: 16px;
    margin-bottom: 13px;
  }
  .btnArea ul li a {
    font-size: 18px;
  }
  .btnArea ul li a:before {
    width: 12px;
    height: 31px;
    left: 11px;
  }
  .btnArea ul li:nth-of-type(2),
  .btnArea ul li:nth-of-type(3) {
    width: 100%;
  }
  .btnArea ul li:nth-of-type(1) a {
    height: 60px;
  }
  .btnArea ul li:nth-of-type(2) a,
  .btnArea ul li:nth-of-type(3) a {
    height: 60px;
  }

  #footer {
    padding: 31px 30px 70px 30px;
  }
  #footer img {
    margin-bottom: 28px;
    width: 72px;
  }
  #footer p {
    font-size: 18px;
  }
}

@media screen and (max-width: 450px) {
  #header img {
    width: 40px;
  }
  #header ul {
    width: 275px;
  }
  #header ul li a {
    letter-spacing: -0.05em;
  }
  #header ul li:nth-of-type(1) {
    width: 173px;
  }
  #header ul li:nth-of-type(2) {
    width: 97px;
  }
  #hero h1 .line1 {
    font-size: 34px;
    margin-bottom: 11px;
    margin-left: 20px;
  }
  #hero h1 .line2 {
    font-size: 24px;
    margin-bottom: 12px;
    margin-left: -10px;
  }
  #ai .flow li {
    font-size: 16px;
    letter-spacing: -0.05em;
  }
  #ai .flow li:nth-of-type(3):before,
  #ai .flow li:nth-of-type(4):before {
    right: -30px;
    top: -66px;
    transform: scale(0.4);
  }
}