.home_page .key {
  --height: 52.5vw;
  --min-height: 625px;
  --max-height: 1000px;
  height: var(--height);
  min-height: var(--min-height);
  max-height: var(--max-height);
  font-size: 0.625em;
  background-size: cover;
  background-color: #fff;
  font-size: min(0.55vw, 10px);
  z-index: 1;
}
@media only screen and (min-width: 2000px) {
  .home_page .key {
    --max-height: 100vh;
  }
}
.home_page .key::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  background: url(../images/idx_key_icon_left.png) no-repeat center/contain;
  width: 22.1em;
  height: 27.2em;
  bottom: 0;
  left: 0;
  z-index: -1;
}
.home_page .key .inner {
  position: relative;
  width: 100%;
}
.home_page .key .mv_slider:not(.slick-slider) {
  display: flex;
  overflow: hidden;
  justify-content: center;
}
.home_page .key .key_text {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.home_page .key .key_text .item {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  height: var(--height);
  min-height: var(--min-height);
  max-height: var(--max-height);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
@media only screen and (min-width: 1919px) {
  .home_page .key .key_text .item {
    padding-top: 100px;
  }
}
.home_page .key .inner {
  max-width: 1702px;
  position: relative;
  z-index: 1;
}
.home_page .key .inner::before {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -2;
  background: url(../images/idx_key_icon.svg) no-repeat center/contain;
  width: 154.5em;
  height: 71.7em;
  left: -14.8em;
  top: -11em;
}
.home_page .key .inner::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -1;
  background: url(../images/idx_key_icon_right.png) no-repeat center/contain;
  width: 112.5em;
  height: 107.9em;
  right: -35em;
  top: -44.2em;
}
.home_page .key .catch {
  width: 35%;
  padding-left: 0;
  padding-top: 13.2em;
}
@media only screen and (min-width: 1919px) {
  .home_page .key .catch {
    margin-left: -10px;
  }
}
.home_page .key .key_img {
  width: 64.9819494585%;
}
.home_page .key .key_img img {
  border-radius: 20px;
}
.home_page .key .key_img figure {
  position: relative;
  z-index: 1;
}
.home_page .key .key_img figure::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  background: url(../images/idx_key_img02.png) no-repeat center/contain;
  max-width: 46.2em;
  max-height: 66.4em;
  bottom: -8.3em;
  right: -2.4em;
  width: 43%;
  height: 95%;
}
.home_page .key h2,
.home_page .key .jp {
  font-weight: 700;
  letter-spacing: 0.1em;
}
.home_page .key h2 {
  color: #e5567d;
  font-size: 6em;
  line-height: 1;
  white-space: nowrap;
  position: relative;
  z-index: 2;
}
.home_page .key .jp {
  color: #333333;
  font-size: 2.6em;
  line-height: 1.8461538462;
  margin-bottom: 1.35em;
}
.home_page .key .key_list {
  max-width: 78.9em;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 140%;
  position: relative;
  z-index: 2;
  margin-top: 14.3em;
  counter-reset: key;
}
.home_page .key .key_list .key_item {
  width: calc(33.3333333333% - 10px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding-top: 0.6em;
}
.home_page .key .key_list .key_item::before {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  background: url(../images/idx_key_item.png) no-repeat center/contain;
  width: 24.6em;
  height: 23em;
  left: calc(50% - 12.3em);
  top: -4.2em;
  z-index: -1;
}
.home_page .key .key_list .key_item::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  content: counter(key, decimal-leading-zero);
  counter-increment: key;
  font-size: 2.2em;
  letter-spacing: 0;
  font-weight: 700;
  bottom: -2.4091em;
  text-align: center;
  left: calc(50% - 0.9091em);
}
.home_page .key .key_list .key_item .ttl {
  line-height: 1.6363636364;
  text-align: center;
  color: #333333;
  letter-spacing: 0.05em;
  font-size: 2.2em;
  font-weight: 700;
}
.home_page .topic_path {
  display: none;
}
.home_page h3 {
  color: var(--clr1);
  text-align: center;
  line-height: 1.5;
  font-weight: 500;
  font-size: calc(var(--ttl_size) + 4px);
  letter-spacing: 0.1em;
  background: url(../images/h3_icon.png) no-repeat top center/1.3125em;
  padding-top: 1.2813em;
}
.home_page h3 .en {
  display: block;
  text-align: center;
  color: var(--main-color);
  line-height: 1;
  letter-spacing: 0.1em;
  font-weight: 400;
  font-size: 18px;
  text-transform: uppercase;
  margin-top: 0.7em;
}

@media only screen and (min-width: 1441px) and (max-width: 1600px) {
  .home_page .key {
    --max-height: 86em;
  }
  .home_page .key .key_img {
    width: 55%;
  }
  .home_page .key .catch {
    width: 45%;
    padding-top: 5em;
    padding-left: 50px;
  }
  .home_page .key .inner::before, .home_page .key .inner::after {
    font-size: 0.6em;
  }
  .home_page .key .inner::before {
    left: 10em;
    top: 10em;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1440px) {
  .home_page .key {
    --max-height: 99em;
    --height: 55vw;
  }
  .home_page .key .catch {
    padding-left: 30px;
  }
}
@media only screen and (max-width: 1560px) and (min-width: 769px) and (max-height: 720px) and (orientation: landscape) {
  .home_page .key {
    --min-height: 625px;
    font-size: min(0.625em, 0.9vmin);
    --max-height: calc(100vh - var(--wrapper));
  }
}
@media only screen and (max-width: 1366px) and (min-width: 769px) and (max-height: 800px) {
  .home_page .key {
    font-size: 1.25vmin;
  }
  .home_page .key::before, .home_page .key::after {
    font-size: 0.6em;
  }
  .home_page .key .inner::before, .home_page .key .inner::after {
    font-size: 0.6em;
  }
  .home_page .key .inner::before {
    left: 10em;
    top: 10em;
  }
  .home_page .key .key_img {
    width: 55%;
  }
  .home_page .key .catch {
    width: 45%;
    padding-top: 5em;
    padding-left: 40px;
  }
  .home_page .key .key_list {
    margin-top: 10em;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1280px) {
  .home_page .key {
    font-size: 1vmin;
  }
  .home_page .key .key_img {
    width: 58%;
  }
  .home_page .key .catch {
    width: 42%;
  }
  .home_page .key .jp {
    white-space: nowrap;
  }
}
@media only screen and (max-width: 1366px) and (min-width: 1281px) {
  .home_page .key .key_img {
    position: relative;
    top: 20px;
  }
}
@media only screen and (max-width: 1024px) and (min-width: 769px) {
  .home_page .key {
    --min-height: 430px;
    font-size: 0.62vw;
  }
  .home_page .key .inner::after {
    top: -55em;
  }
  .home_page .key .catch {
    padding-left: 0;
    padding-right: 0;
  }
}
section {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.idx1 {
  padding: 60px 0 100px;
  background: #e4edf6 url(../images/idx1_bg.png) no-repeat top right/contain;
}
.idx1 .inner {
  max-width: 1860px;
}
.idx1 .idx1_list {
  margin-top: 52px;
}
.idx1 .idx1_list .idx1_item {
  margin-bottom: 40px;
  width: calc(50% - 20px);
  background-color: #fff;
  box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.1);
  padding: 67px 72px 60px;
  border-radius: 20px;
}
.idx1 .idx1_list .idx1_item .ttl01 {
  order: -1;
  color: var(--main-color);
  font-size: 1.875em;
  letter-spacing: 0.1em;
  font-weight: 500;
  line-height: 1.7333333333;
  padding-top: 0.35em;
  width: 62%;
}
.idx1 .idx1_list .idx1_item figure {
  width: 38%;
  max-width: 17.5em;
}
.idx1 .idx1_list .idx1_item figure img {
  border-radius: 10px;
}
.idx1 .idx1_list .idx1_item .fblock {
  align-items: center;
}
.idx1 .idx1_list .idx1_item .ttl02 {
  line-height: 1.9090909091;
  text-align: center;
  font-weight: 500;
  font-size: 1.375em;
}
.idx1 .idx1_list .idx1_item .ttl02:not(:last-child) {
  margin-bottom: 18px;
}
.idx1 .idx1_list .idx1_item .idx1_txt {
  margin-top: 29px;
}
.idx1 .idx1_box {
  width: 80%;
  max-width: 80em;
  margin: 3.8125em auto 0;
  background: url(../images/idx1_box.jpg) no-repeat top center/cover;
  padding: 3.1875em 0 3.5em;
  text-align: center;
  color: #fff;
  border-radius: 1.25em;
  position: relative;
  z-index: 1;
  box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.1);
}
.idx1 .idx1_box::before {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -1;
  border-radius: 16px;
  inset: 10px;
  border: 3px solid rgba(255, 255, 255, 0.2);
}
.idx1 .idx1_box::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  background: url(../images/idx1_arr.png) no-repeat center/contain;
  width: 7.5em;
  height: 6.375em;
  left: calc(50% - 3.75em);
  top: -4.1875em;
}
.idx1 .idx1_box p {
  font-size: 2.625em;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
}
.idx1 .idx1_box p span {
  display: table;
  margin: 0 auto;
  letter-spacing: 0.1em;
  font-size: 0.7619em;
  border-bottom: 1px solid #fff;
  padding: 0 1.125em 0.3438em;
  margin-bottom: 0.2188em;
}
@media only screen and (min-width: 769px) and (max-width: 1840px) {
  .idx1 .idx1_list .idx1_item {
    padding: 40px;
  }
  .idx1 .idx1_list .idx1_item .idx1_txt {
    margin-top: 20px;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1600px) {
  .idx1 .idx1_list .idx1_item .ttl01 {
    font-size: 24px;
    letter-spacing: 0;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1366px) {
  .idx1 .idx1_list .idx1_item .ttl01 {
    font-size: min(3vw, 22px);
    letter-spacing: 0;
  }
  .idx1 .idx1_list .idx1_item .ttl02 {
    font-size: 18px;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx1 {
    padding: 60px 0;
  }
  .idx1 .idx1_list .idx1_item {
    padding: 15px;
    width: calc(50% - 10px);
    margin-bottom: 20px;
  }
  .idx1 .idx1_list .idx1_item .fblock {
    align-items: center;
  }
  .idx1 .idx1_list .idx1_item .ttl01 {
    margin: 0;
    font-size: 16px;
    letter-spacing: 0;
    width: 70%;
  }
  .idx1 .idx1_list .idx1_item figure {
    width: 29%;
  }
  .idx1 .idx1_list .idx1_item .ttl02 {
    font-size: 14px;
    letter-spacing: 0;
  }
  .idx1 .idx1_box {
    font-size: 10px;
  }
  .idx1 .idx1_box .ttl {
    letter-spacing: 0;
  }
}

.idx2 {
  background: #fff url(../images/idx2_before.svg) no-repeat top left/auto 82%;
  padding: 79px 0 99px;
}
.idx2 .inner_max {
  position: relative;
  z-index: 1;
}
.idx2 .inner_max::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -1;
  background: url(../images/idx2_after.svg) no-repeat center/contain;
  width: 96.5625em;
  height: 44.8125em;
  right: -52.5%;
  top: 32.3%;
}
.idx2 .idx2_list {
  margin-top: 58px;
}
.idx2 .idx2_list .idx2_item {
  width: 100%;
  display: grid;
  grid-template-columns: 48% 50%;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0;
}
.idx2 .idx2_list .idx2_item:not(:last-child) {
  margin-bottom: 89px;
}
@media only screen and (min-width: 769px) {
  .idx2 .idx2_list .idx2_item:nth-child(even) {
    grid-template-columns: 50% 48%;
    margin-bottom: 90px;
  }
  .idx2 .idx2_list .idx2_item:nth-child(even) .ttl01,
  .idx2 .idx2_list .idx2_item:nth-child(even) .idx2_txt {
    padding-left: 24px;
  }
  .idx2 .idx2_list .idx2_item:nth-child(even) .ttl01 {
    margin-top: 53px;
  }
  .idx2 .idx2_list .idx2_item:last-child .ttl01 {
    margin-top: 55px;
  }
}
.idx2 .idx2_list .idx2_item figure {
  grid-row: 1/span 3;
  position: relative;
  z-index: 1;
}
.idx2 .idx2_list .idx2_item figure img {
  border-radius: 10px;
}
.idx2 .idx2_list .idx2_item figure::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  background: url(../images/idx2_item_right.png) no-repeat center/contain;
  width: 21.375em;
  height: 27.125em;
  top: -1.8125em;
  right: -1.8125em;
  z-index: -1;
}
.idx2 .idx2_list .idx2_item:nth-child(even) figure::after {
  right: unset;
  left: -1.8125em;
  background-image: url(../images/idx2_item_left.png);
}
.idx2 .idx2_list .idx2_item:nth-child(odd) figure {
  grid-column-start: 2;
}
.idx2 .idx2_list .idx2_item .ttl01,
.idx2 .idx2_list .idx2_item .idx2_txt {
  padding-left: 83px;
}
.idx2 .idx2_list .idx2_item .ttl01 {
  line-height: 1.6;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0.14em;
  margin-top: 27px;
  margin-bottom: 35px;
  font-feature-settings: "palt";
}
.idx2 .idx2_list .idx2_item .ttl01 .en {
  display: block;
  color: var(--clr2);
  font-size: 16px;
  letter-spacing: 0.1em;
  font-weight: 400;
  text-transform: uppercase;
  margin-bottom: 0.1em;
}
.idx2 .idx2_list .idx2_item .ttl01::after {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  background-color: var(--clr2);
  margin-top: 23px;
  border-radius: 2px;
}
.idx2 .idx2_list .idx2_item .ttl02 {
  letter-spacing: 0.1em;
  font-feature-settings: "palt";
}
.idx2 .idx2_list .idx2_item .idx2_txt p:not(:last-child) {
  margin-bottom: 36px;
}
@media only screen and (min-width: 769px) and (max-width: 1440px) {
  .idx2 .idx2_list .idx2_item .ttl02 {
    letter-spacing: 1px;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1366px) {
  .idx2 .idx2_list .idx2_item:not(:last-child) {
    margin-bottom: 60px;
  }
  .idx2 .idx2_list .idx2_item figure {
    padding-top: 20px;
    padding-right: 20px;
  }
  .idx2 .idx2_list .idx2_item figure::after {
    top: 0;
    right: 0;
  }
  .idx2 .idx2_list .idx2_item .ttl01,
  .idx2 .idx2_list .idx2_item .idx2_txt {
    padding-left: 25px;
  }
  .idx2 .idx2_list .idx2_item:nth-child(even) figure {
    padding-right: 0;
    padding-left: 20px;
  }
  .idx2 .idx2_list .idx2_item:nth-child(even) figure::after {
    top: 0;
    left: 0;
  }
  .idx2 .inner_max::after {
    right: -10%;
    top: 35%;
    font-size: 0.6vw;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1280px) {
  .idx2 .idx2_list .idx2_item .ttl02 {
    letter-spacing: 0;
  }
  .idx2 .idx2_list .idx2_item .idx2_txt p:not(:last-child) {
    margin-bottom: 1em;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx2 {
    padding: 60px 0;
    background-size: auto 50%;
  }
  .idx2 .idx2_list .idx2_item {
    grid-template-columns: 50% 47%;
  }
  .idx2 .idx2_list .idx2_item:not(:last-child) {
    margin-bottom: 40px;
  }
  .idx2 .idx2_list .idx2_item .ttl01,
  .idx2 .idx2_list .idx2_item .idx2_txt {
    padding-left: 0;
  }
  .idx2 .idx2_list .idx2_item .ttl01 {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 0;
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .idx2 .idx2_list .idx2_item .ttl01 .en {
    font-size: 15px;
  }
  .idx2 .idx2_list .idx2_item figure::after {
    font-size: 8px;
  }
}

.idx3 {
  padding: 71px 0 88px;
  background: #e4edf6 url(../images/idx3_after.svg) no-repeat top right/auto 165.2%;
}
.idx3 table {
  margin-top: 57px;
}
.idx3 table tr th,
.idx3 table tr td {
  border: 0;
  line-height: 1.5;
  letter-spacing: 0.1em;
  font-weight: 500;
  text-align: center;
  border: 2px solid #333;
  width: 19.95%;
  font-size: 20px;
  letter-spacing: 0.05em;
  padding: 1.25em 0;
  background-color: #fff;
}
.idx3 table tr th:first-child,
.idx3 table tr td:first-child {
  width: auto;
}
.idx3 table tr th:last-child,
.idx3 table tr td:last-child {
  width: 19.75%;
}
.idx3 table tr th p,
.idx3 table tr td p {
  line-height: 1.5;
  letter-spacing: 0.05em;
}
.idx3 table tr th p:not(:last-child),
.idx3 table tr td p:not(:last-child) {
  margin-bottom: 10px;
}
.idx3 table tr th .small,
.idx3 table tr td .small {
  font-size: 0.8em;
  letter-spacing: 0.05em;
}
.idx3 table tr .clr1 {
  background-color: #c0cfdf;
  cursor: var(--clr1);
}
.idx3 table tr .clr2 {
  background-color: #ffb12a;
  color: #fff;
}
.idx3 table tr .clr3 {
  background-color: #afafaf;
  color: #fff;
}
.idx3 table tr .clr4 {
  background-color: #ffeed1;
  color: #7176e6;
}
.idx3 table tr .clr_red {
  color: #e55656;
}
.idx3 table tr .clr5 {
  background-color: #ffeed1;
}
.idx3 table tr .clr6 {
  color: #7176e6;
}
.idx3 .idx3_ttl {
  margin-top: 48px;
  line-height: 2.0625;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 32px;
}
.idx3 .idx3_ttl .idx3_ttl_span {
  display: table;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 1;
}
.idx3 .idx3_ttl .idx3_ttl_span::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -1;
  background-color: #c8cafa;
  height: 0.5em;
  left: -0.125em;
  right: 0.1563em;
  bottom: 0.25em;
}
.idx3 .idx3_ttl .idx3_ttl_span:last-child::after {
  left: -0.7188em;
  right: -0.4375em;
  bottom: 0.3438em;
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx3 {
    background-size: auto 100%;
    padding: 60px 0;
  }
  .idx3 .idx3_ttl {
    margin-top: 25px;
    font-size: 20px;
    letter-spacing: 0;
  }
  .idx3 table tr th,
  .idx3 table tr td {
    letter-spacing: 0;
    font-size: 14px;
    width: 20%;
    padding-left: 5px;
    padding-right: 5px;
  }
  .idx3 table tr th:first-child,
  .idx3 table tr td:first-child {
    width: 20%;
  }
  .idx3 table tr th:last-child,
  .idx3 table tr td:last-child {
    width: 20%;
  }
  .idx3 table tr th p,
  .idx3 table tr td p {
    letter-spacing: 0;
  }
}

.idx_banner {
  padding: 60px 0;
  background-color: #dde0ef;
}
.idx_banner .inner_big {
  max-width: 1240px;
}
.idx_banner .banner_item {
  font-size: min(1.2vw, 16px);
  width: calc(50% - 2.5em);
  position: relative;
  z-index: 1;
  padding: 2.625em 2.3125em;
  border-radius: 10px 0 0 10px;
  box-shadow: 0px 5px 30px 0px rgba(0, 0, 0, 0.3);
  transition: 0.3s all;
}
.idx_banner .banner_item a {
  position: absolute;
  inset: 0;
  z-index: 2;
}
.idx_banner .banner_item a::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  background: url(../images/idx_btn01.png) no-repeat center/contain;
  height: 11.9375em;
  right: -1.25em;
  top: -1.375em;
  width: 14.5625em;
}
.idx_banner .banner_item a:hover {
  opacity: 1;
}
.idx_banner .banner_item::before, .idx_banner .banner_item::after {
  border-radius: 10px 0 0 10px;
}
.idx_banner .banner_item::before {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -2;
  background-color: #ffa200;
  inset: 0;
  opacity: 0.3;
}
.idx_banner .banner_item::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  z-index: -1;
  background: linear-gradient(90deg, rgb(255, 170, 193) 0%, rgb(229, 86, 125) 100%);
  inset: 0;
}
.idx_banner .banner_item .ttl {
  line-height: 1;
  position: relative;
  color: #fff;
  font-weight: 500;
  letter-spacing: 0.14em;
  font-size: 1.875em;
  display: flex;
  align-items: center;
}
.idx_banner .banner_item .ttl::after, .idx_banner .banner_item .ttl::before {
  content: "";
  display: block;
  width: 1.8667em;
  height: 1.8667em;
}
.idx_banner .banner_item .ttl::before {
  background-color: #fff;
  border-radius: 50%;
  margin-right: 0.9333em;
}
.idx_banner .banner_item .ttl::after {
  position: absolute;
  left: 0;
  top: 0;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
  -webkit-mask-image: url(../images/banner_arr.png);
          mask-image: url(../images/banner_arr.png);
  background-color: var(--main-color);
}
.idx_banner .banner_item:last-child::after {
  background: linear-gradient(90deg, rgb(186, 189, 255) 0%, rgb(113, 118, 230) 100%);
}
.idx_banner .banner_item:last-child .ttl::after {
  background-color: #7176e6;
}
.idx_banner .banner_item:last-child a::after {
  background-image: url(../images/idx_btn02.png);
}
@media only screen and (min-width: 769px) {
  .idx_banner .banner_item:hover {
    opacity: 0.8;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx_banner {
    background-size: auto 100%;
    padding: 40px 0;
  }
}

.idx4 {
  padding: 79px 0 100px;
  background: url(../images/idx4_before.svg) no-repeat top left/auto 138.3%;
}
.idx4 .idx4_list {
  margin-top: 59px;
}
.idx4 .idx4_list .idx4_item {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid #dde0ef;
  background-color: #fff;
  position: relative;
  padding: 1.0625em 2.5em 1.375em 12.3125em;
  border-radius: 10px;
}
.idx4 .idx4_list .idx4_item:not(:last-child) {
  margin-bottom: 30px;
}
.idx4 .idx4_list .idx4_item:not(:last-child)::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  border-top: 1em solid #b8c4ce;
  border-left: 1.125em solid transparent;
  border-right: 1.125em solid transparent;
  left: calc(50% - 1.125em);
  top: calc(100% + 0.3125em);
}
.idx4 .idx4_list .idx4_item:nth-child(even) .en {
  background-color: var(--main-color);
}
.idx4 .idx4_list .idx4_item p {
  margin: 0;
}
.idx4 .idx4_list .idx4_item .en {
  line-height: 1;
  color: #fff;
  background-color: var(--clr2);
  font-size: 1.125em;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 0 3.3333em 0.3em 2.5556em;
  position: absolute;
  top: -1px;
  left: -1px;
  bottom: -1px;
  border-radius: 10px 0 0 10px;
  display: flex;
  align-items: center;
  -webkit-clip-path: polygon(5.556% 0.001%, 100% 0.001%, 79.444% 100%, 5.556% 100%, 5.556% 100%, 4.654% 99.866%, 3.8% 99.474%, 3.002% 98.835%, 2.274% 97.961%, 1.627% 96.866%, 1.072% 95.561%, 0.62% 94.06%, 0.283% 92.373%, 0.073% 90.514%, 0% 88.496%, 0% 12.642%, 0% 12.642%, 0.073% 10.592%, 0.283% 8.646%, 0.62% 6.833%, 1.072% 5.176%, 1.627% 3.703%, 2.274% 2.44%, 3.002% 1.412%, 3.8% 0.646%, 4.654% 0.167%, 5.556% 0.001%);
          clip-path: polygon(5.556% 0.001%, 100% 0.001%, 79.444% 100%, 5.556% 100%, 5.556% 100%, 4.654% 99.866%, 3.8% 99.474%, 3.002% 98.835%, 2.274% 97.961%, 1.627% 96.866%, 1.072% 95.561%, 0.62% 94.06%, 0.283% 92.373%, 0.073% 90.514%, 0% 88.496%, 0% 12.642%, 0% 12.642%, 0.073% 10.592%, 0.283% 8.646%, 0.62% 6.833%, 1.072% 5.176%, 1.627% 3.703%, 2.274% 2.44%, 3.002% 1.412%, 3.8% 0.646%, 4.654% 0.167%, 5.556% 0.001%);
}
.idx4 .idx4_list .idx4_item .ttl {
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--clr1);
  font-size: 1.625em;
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx4 {
    background-size: auto 100%;
    padding: 60px 0;
  }
  .idx4 .idx4_list .idx4_item {
    padding: 1em 1em 1em 12em;
  }
  .idx4 .idx4_list .idx4_item .en {
    font-size: 16px;
  }
  .idx4 .idx4_list .idx4_item .ttl {
    font-size: 18px;
  }
}

.idx5 {
  background-size: auto 197%;
}
@media only screen and (min-width: 1919px) {
  .idx5 {
    padding-bottom: 99px;
  }
  .idx5 table tr:nth-child(3) td:last-child {
    padding-top: 12px;
  }
  .idx5 table tr:last-child td {
    padding-bottom: 27px;
  }
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx5 {
    background-size: auto 100%;
  }
}

.idx6 {
  padding: 79px 0 99px;
  background: url(../images/idx6_before.svg) no-repeat top left/auto 224.5%;
}
.idx6 .idx6_list {
  margin-top: 52px;
}
.idx6 .idx6_list .accContainer {
  border-top: 1px solid #dde0ef;
}
.idx6 .idx6_list .accContainer:last-child {
  border-bottom: 1px solid #dde0ef;
}
.idx6 .idx6_list .accContainer .accBtn {
  font-size: 1.5em;
  letter-spacing: 0.1em;
  font-weight: 500;
  line-height: 1.5;
  position: relative;
  padding: 0 0.8333em 0 2.2083em;
  margin: 1.25em 0 1.3958em;
  cursor: pointer;
  transition: 0.3s all;
}
.idx6 .idx6_list .accContainer .accBtn::before {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  content: "Q.";
  font-size: 1.25em;
  letter-spacing: 0;
  color: var(--main-color);
  top: 0;
  left: 0.4em;
  font-weight: 400;
  line-height: 1;
}
.idx6 .idx6_list .accContainer .accBtn::after {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
  -webkit-mask-image: url(../images/idx6_icon.png);
          mask-image: url(../images/idx6_icon.png);
  background-color: #dde0ef;
  right: 0.75em;
  top: calc(50% - 0.3333em);
  width: 0.8333em;
  height: 0.8333em;
}
.idx6 .idx6_list .accContainer .accBtn.rotate {
  margin-bottom: 0;
}
.idx6 .idx6_list .accContainer .accBtn.rotate::after {
  -webkit-mask-image: url(../images/idx6_icon_active.png);
          mask-image: url(../images/idx6_icon_active.png);
}
@media only screen and (min-width: 769px) {
  .idx6 .idx6_list .accContainer .accBtn:hover {
    color: var(--main-color);
  }
  .idx6 .idx6_list .accContainer .accBtn:hover::after {
    background-color: var(--main-color);
  }
}
.idx6 .idx6_list .accContainer .txt {
  margin-top: 0.9375em;
  padding: 0.4375em 3.625em 2em 3.25em;
  line-height: 2.25;
  letter-spacing: 0.1em;
  position: relative;
}
.idx6 .idx6_list .accContainer .txt::before {
  content: "";
  display: block;
  position: absolute;
  transition: all 0.3s;
  content: "A.";
  font-size: 1.875em;
  letter-spacing: 0;
  color: var(--clr2);
  left: 0.4em;
  top: 0.1667em;
  font-weight: 400;
  line-height: 1;
}
@media only screen and (min-width: 769px) and (max-width: 1024px) {
  .idx6 {
    padding: 60px 0;
    background-size: auto 100%;
  }
  .idx6 .idx6_list .accContainer .accBtn::before {
    left: 0;
  }
  .idx6 .idx6_list .accContainer .txt {
    letter-spacing: 0;
    padding-right: 20px;
  }
  .idx6 .idx6_list .accContainer .txt::before {
    left: 0;
  }
}