@charset "UTF-8";
/* --------------------------------------------------
  display
-------------------------------------------------- */
@media screen and (max-width: 769px) {
  .u-pc {
    display: none;
  }
}
@media screen and (min-width: 770px) {
  .u-sp {
    display: none;
  }
}
/* --------------------------------------------------
  cleafix
-------------------------------------------------- */
.u-clearfix:after {
  display: block;
  clear: both;
  content: "";
}

/* --------------------------------------------------
  align
-------------------------------------------------- */
.u-alignL {
  text-align: left;
}

.u-alignC {
  text-align: center;
}

.u-alignR {
  text-align: right;
}

/* --------------------------------------------------
  margin
-------------------------------------------------- */
.u-margin.-short {
  margin-bottom: 16px;
}
.u-margin.-middle {
  margin-bottom: 32px;
}
.u-margin.-large {
  margin-bottom: 64px;
}

/* --------------------------------------------------
  padding
-------------------------------------------------- */
.-ratio16-9 {
  padding-top: 56.25%;
}

.-ratio4-3 {
  padding-top: 75%;
}

/* header上書き */
#irtest #header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  opacity: 1;
  transition: opacity 0.5s ease;
}

/* ページトップボタン初期位置 */
#irtest #toTop {
  bottom: -100px;
}

/* FV0 */
.irtest-fv_wrapper {
  box-sizing: border-box;
  position: relative;
  width: 100%;
  height: 100lvh;
  overflow: hidden;
  padding-top: 45px;
  opacity: 1;
  transition: opacity 0.5s ease;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_wrapper {
    padding-top: 113px;
    min-width: 1260px;
  }
}
.irtest-fv_wrapper.-hide {
  opacity: 0;
  pointer-events: none;
}

.irtest-fv_block0 {
  width: 100%;
  height: calc(100lvh - 45px);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: fixed;
  top: 45px;
  left: 0;
  box-sizing: border-box;
}
.irtest-fv_block0 video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_block0 {
    height: calc(100lvh - 113px);
    min-width: 1260px;
    top: 113px;
  }
}

.pin-spacer {
  pointer-events: none; /* 固定用スペーサー自体が操作を邪魔しないように */
}

.pin-spacer > * {
  pointer-events: auto; /* 中身は触れるように */
}

.irtest-fv_block0__center {
  width: fit-content;
  height: calc(100dvh - 45px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_block0__center {
    height: calc(100dvh - 113px);
  }
}

.irtest-fv_block0__copy {
  position: relative;
  z-index: 2;
  align-items: center;
  gap: 2em;
  width: fit-content;
  height: fit-content;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4svh;
}
.irtest-fv_block0__copy p {
  display: block;
  opacity: 0;
}
.irtest-fv_block0__copy p img {
  height: 100%;
  width: auto;
}
.irtest-fv_block0__copy p:nth-child(1) {
  height: 7svh;
}
.irtest-fv_block0__copy p:nth-child(2) {
  height: 8svh;
}
.irtest-fv_block0__copy p:nth-child(3) {
  height: 6svh;
}
.irtest-fv_block0__copy p:nth-child(4) {
  height: 17svh;
  position: absolute;
  right: 0;
  bottom: 0;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_block0__copy {
    gap: 3em;
  }
  .irtest-fv_block0__copy p:nth-child(1) {
    height: 12svh;
  }
  .irtest-fv_block0__copy p:nth-child(2) {
    height: 14svh;
  }
  .irtest-fv_block0__copy p:nth-child(3) {
    height: 11svh;
  }
  .irtest-fv_block0__copy p:nth-child(4) {
    height: 31svh;
    position: absolute;
    right: -2vw;
    bottom: 0;
  }
}

/* FV1～3 */
.irtest-fv_frame {
  box-sizing: border-box;
  position: absolute;
  top: 45px;
  left: 0;
  z-index: 999;
  width: 100%;
  height: 270lvh;
  padding: 5dvh 0;
  background: #000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_frame {
    top: 113px;
    min-width: 1260px;
  }
}
.irtest-fv_frame.is-active {
  pointer-events: auto;
}

.irtest-fv_frameBlock {
  position: relative;
  width: 100%;
  height: 100dvh;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 0;
  transition: all 1s ease;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  -webkit-transform: translateZ(0);
  isolation: isolate;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_frameBlock {
    min-width: 1260px;
  }
}
.irtest-fv_frameBlock.-on {
  width: 90%;
  height: 80dvh;
  margin: 5dvh auto;
  border-radius: 20px;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_frameBlock.-on {
    border-radius: 50px;
    min-width: 1134px;
  }
}
.irtest-fv_frameBlock video {
  width: 100%;
  height: 140%;
  object-fit: cover;
  position: absolute;
  top: -20%;
  pointer-events: none;
}

.irtest-fv_block__content {
  position: relative;
  z-index: 2;
  width: fit-content;
  height: 100%;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  gap: 2em;
  color: #fff;
}
.irtest-fv_block__content p {
  font-family: "Yu Gothic Pr6N", "YuGothic Pr6N", "游ゴシック体 Pr6N", "游ゴシック体", "Yu Gothic", sans-serif;
  font-weight: bold;
  line-height: 1.56;
  font-size: 4.8vw;
  opacity: 0;
  pointer-events: none;
}
.irtest-fv_block__content .logo {
  width: clamp(100px, 30vw, 188px);
  margin-inline: auto;
  opacity: 0;
  pointer-events: none;
}
@media print, screen and (min-width: 770px) {
  .irtest-fv_block__content p {
    font-size: clamp(24px, 1.99vw, 34px);
  }
  .irtest-fv_block__content p br.u-sp {
    display: none;
  }
}

/* ------------------------------
    common
------------------------------ */
#irtest main * {
  word-break: break-all;
}
#irtest main a {
  transition: opacity 0.3s ease;
}
#irtest main a:hover {
  opacity: 0.6;
  text-decoration: none;
}

.irtest-wrap {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

.irtest-txt {
  font-size: 3.7333333333vw;
  line-height: 1.8;
}
.irtest-txt._mt1em, .irtest-txt + .irtest-txt {
  margin-top: 1em;
}
@media print, screen and (min-width: 770px) {
  .irtest-txt {
    font-size: 16px;
  }
}

.irtest-caption {
  font-size: 2.6666666667vw;
  line-height: 1.8;
}
.irtest-caption._mt1em {
  margin-top: 1em;
}
@media print, screen and (min-width: 770px) {
  .irtest-caption {
    font-size: 12px;
  }
}

.irtest-note {
  font-size: 2.9333333333vw;
  line-height: 1.8;
}
@media print, screen and (min-width: 770px) {
  .irtest-note {
    font-size: 12px;
  }
}
.irtest-note._mt1em {
  margin-top: 1em;
}

.irtest-h1,
.irtest-h2,
.irtest-h3,
.irtest-h4,
.irtest-h5,
.irtest-h6 {
  font-size: 9.0666666667vw;
  line-height: 1.8;
  font-weight: 600;
}
.irtest-h1._color,
.irtest-h2._color,
.irtest-h3._color,
.irtest-h4._color,
.irtest-h5._color,
.irtest-h6._color {
  color: #1656a3;
}
.irtest-h1._sky,
.irtest-h2._sky,
.irtest-h3._sky,
.irtest-h4._sky,
.irtest-h5._sky,
.irtest-h6._sky {
  color: #5fa2dd;
}
.irtest-h1._orange,
.irtest-h2._orange,
.irtest-h3._orange,
.irtest-h4._orange,
.irtest-h5._orange,
.irtest-h6._orange {
  color: #eb8740;
}
.irtest-h1._pink,
.irtest-h2._pink,
.irtest-h3._pink,
.irtest-h4._pink,
.irtest-h5._pink,
.irtest-h6._pink {
  color: #ec8399;
}
.irtest-h1._mt1em,
.irtest-h2._mt1em,
.irtest-h3._mt1em,
.irtest-h4._mt1em,
.irtest-h5._mt1em,
.irtest-h6._mt1em {
  margin-top: 1em;
}

.irtest-h2 {
  font-size: 8vw;
}

.irtest-h3 {
  font-size: 6.4vw;
}

.irtest-h4 {
  font-size: 5.3333333333vw;
}

.irtest-h5 {
  font-size: 4.2666666667vw;
}

.irtest-h6 {
  font-size: 3.2vw;
}

@media print, screen and (min-width: 770px) {
  .irtest-h1 {
    font-size: 48px;
  }
  .irtest-h2 {
    font-size: 36px;
  }
  .irtest-h3 {
    font-size: 28px;
  }
  .irtest-h4 {
    font-size: 24px;
  }
  .irtest-h5 {
    font-size: 20px;
  }
  .irtest-h6 {
    font-size: 14px;
  }
}
.irtest-btn {
  text-align: center;
  margin-top: 8vw;
}
.irtest-btn a {
  background: #1656a3;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 16vw;
  font-size: 3.7333333333vw;
  font-weight: bold;
  border-radius: 100px;
  transition: background 0.4s ease !important;
}
.irtest-btn a .arrow {
  width: 0.8em;
  height: 0.8em;
  position: relative;
  margin-left: 0.5em;
  transition: translate 0.4s ease;
}
.irtest-btn a .arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 100%;
  height: 1px;
  background: #fff;
}
.irtest-btn a .arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: 0 -50%;
  width: 50%;
  height: 50%;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  rotate: 45deg;
}
.irtest-btn a:hover {
  opacity: 1;
  background-color: #d9d9d9 !important;
}
.irtest-btn a:hover .arrow {
  translate: 4px 0;
}
.irtest-btn._sky a {
  background-color: #5fa2dd;
}
.irtest-btn._orange a {
  background-color: #eb8740;
}
.irtest-btn._pink a {
  background-color: #ec8399;
}
.irtest-btn._grey a {
  background-color: #d9d9d9;
}
@media print, screen and (min-width: 770px) {
  .irtest-btn {
    margin-top: 40px;
  }
  .irtest-btn a {
    width: 400px;
    height: 70px;
    font-size: 18px;
  }
  .irtest-btn a .arrow {
    width: 0.8em;
    height: 0.8em;
  }
}

.irtest-anchor-nav {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin: 10vw 0;
}
.irtest-anchor-nav__item a {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1656a3;
  color: #fff;
  border-radius: 0.7em 0.7em 0.7em 0;
  font-size: 3.2vw;
  font-weight: bold;
  padding: 0.2em 0.2em 1em;
  position: relative;
}
.irtest-anchor-nav__item a::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% 50%;
  width: 0.4em;
  height: 0.4em;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  rotate: 45deg;
}
.irtest-anchor-nav._sky .irtest-anchor-nav__item a {
  background-color: #5fa2dd;
}
.irtest-anchor-nav._orange .irtest-anchor-nav__item a {
  background-color: #eb8740;
}
.irtest-anchor-nav._pink .irtest-anchor-nav__item a {
  background-color: #ec8399;
}
@media print, screen and (min-width: 770px) {
  .irtest-anchor-nav {
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: 10px;
    margin: 80px 0 88px;
  }
  .irtest-anchor-nav__item a {
    font-size: 16px;
    border-radius: 1em 1em 1em 0;
    padding: 0 0.5em 0.2em;
    height: 4em;
  }
  .irtest-anchor-nav__item a::before {
    width: 0.6em;
    height: 0.6em;
    translate: -50% 100%;
  }
}

.irtest-space_device_bnr {
  background: url("../img/spacedevice_bnr_sp.jpg") no-repeat center/cover;
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  border-radius: 2rem;
}
.irtest-space_device_bnr a {
  color: #fff;
  display: block;
  padding: 3rem 0;
  position: relative;
}
@media print, screen and (min-width: 770px) {
  .irtest-space_device_bnr {
    background-image: url("../img/spacedevice_bnr@2x.jpg");
    font-size: 2.8rem;
  }
  .irtest-space_device_bnr a {
    padding: 4rem 2rem;
  }
}
.irtest-space_device_bnr._01 {
  margin-top: 2rem;
}
.irtest-space_device_bnr._01 a {
  pointer-events: none;
}
.irtest-space_device_bnr._02 {
  text-align: center;
  margin: 6rem auto 0;
  position: relative;
}
.irtest-space_device_bnr._02 a::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  translate: -50% 0;
  width: 0.3em;
  height: 0.3em;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  rotate: 45deg;
}
@media print, screen and (min-width: 770px) {
  .irtest-space_device_bnr._02 {
    max-width: 925px;
    height: 68px;
    font-size: 20px;
  }
  .irtest-space_device_bnr._02 a {
    padding: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .irtest-space_device_bnr._02 a::before {
    width: 0.5em;
    height: 0.5em;
    bottom: 0.5em;
  }
}

/* ------------------------------
    index
------------------------------ */
.irtest-contentArea {
  margin-top: calc(45px + 170lvh);
}

@media print, screen and (min-width: 770px) {
  .irtest-contentArea {
    margin-top: calc(113px + 170lvh);
  }
}
.irtest-footer {
  text-align: center;
  margin: 15vw 0 10vw;
}
.irtest-footer__logo img {
  max-width: 40%;
}
.irtest-footer__ttl {
  color: #1656a3;
  font-size: 8vw;
  line-height: 1.6;
  font-weight: bold;
  text-align: center;
}
.irtest-footer__nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5vw;
  margin-top: 8vw;
}
.irtest-footer__nav_item a {
  display: block;
  border: 1px solid #1656a3;
  border-radius: 5vw;
  overflow: hidden;
}
.irtest-footer__nav_item a:hover .arrow {
  translate: 4px 0;
}
.irtest-footer__txt {
  font-size: 3.7333333333vw;
  font-weight: bold;
  text-align: center;
  padding: 1em;
  position: relative;
}
.irtest-footer__txt .arrow {
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  position: relative;
  margin-left: 0.5em;
  transition: translate 0.4s ease;
}
.irtest-footer__txt .arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 100%;
  height: 1px;
  background: #1656a3;
}
.irtest-footer__txt .arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: 0 -50%;
  width: 50%;
  height: 50%;
  border-top: 1px solid #1656a3;
  border-right: 1px solid #1656a3;
  rotate: 45deg;
}
.irtest-footer__img {
  aspect-ratio: 352/190;
}
.irtest-footer__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media print, screen and (min-width: 770px) {
  .irtest-footer {
    margin: 150px 0 60px;
  }
  .irtest-footer__ttl {
    font-size: 36px;
  }
  .irtest-footer__nav_item a {
    border-radius: 20px;
  }
  .irtest-footer__txt {
    font-size: 16px;
    padding: 1.2em;
  }
  .irtest-footer__nav {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
  }
  .irtest-footer__img {
    aspect-ratio: 320/190;
  }
}

.irtest-intro {
  padding-top: 20vw;
}
.irtest-intro__ttl {
  font-size: 6.4vw;
  line-height: 1.4;
  text-align: center;
}
.irtest-intro__sttl {
  font-size: 9.6vw;
  line-height: 1.8;
  text-align: center;
  margin-top: 0.8em;
}
.irtest-intro__txt {
  font-size: 4.2666666667vw;
  text-align: center;
  margin-top: 2em;
}
.irtest-intro-peace {
  position: relative;
  color: #fff;
  overflow: hidden;
  margin-top: 5vw;
}
.irtest-intro-peace__bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #1656a3;
  border-radius: 40vw 40vw 0 0;
}
.irtest-intro-peace__wrap {
  position: relative;
  z-index: 1;
  width: 90%;
  margin: 0 auto;
  padding: 20vw 0 10vw;
}
.irtest-intro-peace__ttl {
  text-align: center;
}
.irtest-intro-peace__txt {
  font-size: 3.7333333333vw;
  margin-top: 2em;
}
.irtest-intro-peace__img {
  margin: 7vw 0 0;
  text-align: center;
}
.irtest-intro-peace__img img {
  max-width: 100%;
}
@media print, screen and (min-width: 770px) {
  .irtest-intro {
    padding-top: 200px;
  }
  .irtest-intro__ttl {
    font-size: 28px;
  }
  .irtest-intro__sttl {
    font-size: 76px;
    margin-top: 0.1em;
  }
  .irtest-intro__txt {
    font-size: 20px;
  }
  .irtest-intro-peace__bg {
    border-radius: 50% 50% 0 0;
  }
  .irtest-intro-peace__wrap {
    width: 660px;
    padding: 8vw 0 5vw;
  }
  .irtest-intro-peace__txt {
    font-size: 18px;
    line-height: 2;
  }
  .irtest-intro-peace__img {
    margin-top: 40px;
  }
}

.irtest-feature__box {
  display: flex;
  flex-direction: column;
  gap: 3vw;
  margin-top: 8vw;
}
.irtest-feature__num {
  font-family: "Oswald", sans-serif;
  color: #1656a3;
  font-size: 3.7333333333vw;
  font-weight: 500;
}
.irtest-feature__num::before {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  border-radius: 100%;
  background: #1656a3;
  margin-right: 0.5em;
  vertical-align: 0.2em;
}
.irtest-feature__sttl {
  margin-top: 0.2em;
}
.irtest-feature__txt {
  font-size: 3.7333333333vw;
  margin-top: 1em;
}
.irtest-feature__img {
  text-align: center;
}
.irtest-feature__img img {
  width: 70vw;
}
@media print, screen and (min-width: 770px) {
  .irtest-feature__box {
    flex-direction: row;
    gap: 40px;
    margin-top: 60px;
  }
  .irtest-feature__box:first-of-type {
    margin-top: 40px;
  }
  .irtest-feature__num {
    font-size: 14px;
  }
  .irtest-feature__txt {
    font-size: 16px;
  }
  .irtest-feature__img {
    flex: 0 0 auto;
    padding-top: 40px;
  }
  .irtest-feature__img img {
    width: 320px;
  }
}

.irtest-history {
  margin-top: 15vw;
}
.irtest-history__sttl {
  margin-top: 1.5em;
}
.irtest-history__catch {
  margin-top: 1em;
}
.irtest-history__txt {
  margin-top: 1em;
}
.irtest-history__small {
  font-size: 12px;
  margin-top: 30px;
}
@media print, screen and (min-width: 770px) {
  .irtest-history {
    margin-top: 80px;
  }
}
.irtest-history__history {
  width: 100%;
  padding-left: calc(50vw - 500px);
  box-sizing: border-box;
  overflow-x: auto;
  margin-top: 10px;
}
.irtest-history__history_inner {
  width: 4802px;
  height: 760px;
  position: relative;
}
.irtest-history__history .otehon {
  position: absolute;
  top: 0;
  opacity: 0.15;
  width: auto;
  pointer-events: none;
}
.irtest-history__history_year {
  height: 30px;
  position: relative;
}
.irtest-history__history_year_txt {
  position: absolute;
  left: 0;
  top: 50%;
  translate: 0 -50%;
  font-family: "Oswald", sans-serif;
  font-size: 20px;
  line-height: 1;
  font-weight: bold;
}
.irtest-history__history_year_txt._01 {
  left: 706px;
}
.irtest-history__history_year_txt._02 {
  left: 836px;
}
.irtest-history__history_year_txt._03 {
  left: 963px;
}
.irtest-history__history_year_txt._04 {
  left: 1372px;
}
.irtest-history__history_year_txt._05 {
  left: 2098px;
}
.irtest-history__history_year_txt._06 {
  left: 2637px;
}
.irtest-history__history_year_txt._07 {
  left: 3217px;
}
.irtest-history__history_event {
  background: #f1eadb;
  height: 53.3px;
  margin-bottom: 85.5px;
  position: relative;
}
.irtest-history__history_event_ttl {
  position: absolute;
  top: 50%;
  left: 20px;
  translate: 0 -50%;
  font-size: 14px;
  line-height: 1;
  font-weight: bold;
}
.irtest-history__history_event_txt {
  position: absolute;
  top: 60%;
  translate: 0 -50%;
  font-size: 12px;
  line-height: 1.4;
}
.irtest-history__history_event_txt ._year {
  font-family: "Oswald", sans-serif;
  font-weight: bold;
  display: block;
}
.irtest-history__history_event_txt._01 {
  left: 533px;
}
.irtest-history__history_event_txt._02 {
  left: 748px;
}
.irtest-history__history_event_txt._03 {
  left: 1157px;
}
.irtest-history__history_event_txt._04 {
  left: 2461px;
}
.irtest-history__history_event_txt._05 {
  left: 2709px;
}
.irtest-history__history_line {
  margin-top: 108.3px;
  margin-left: 160px;
  position: relative;
}
.irtest-history__history_line_bg {
  background: rgba(95, 162, 221, 0.3);
  color: #5fa2dd;
  position: absolute;
  right: 50px;
  top: -24px;
  border-radius: 10px;
  width: 438px;
  height: 183px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1.2;
  font-weight: bold;
  text-align: center;
  box-sizing: border-box;
  padding-left: 200px;
}
.irtest-history__history_line_bg._02 {
  background: rgba(235, 135, 64, 0.3);
  color: #eb8740;
  height: 203px;
  top: 193px;
  line-height: 1.6;
}
.irtest-history__history_line_bg._03 {
  background: rgba(236, 131, 153, 0.3);
  color: #ec8399;
  height: 124px;
  top: 418px;
  line-height: 1.6;
}
.irtest-history__history_line_hide {
  position: absolute;
  left: 0;
  top: -24px;
  height: calc(100% + 48px);
  width: 100%;
  display: flex;
}
.irtest-history__history_line_hide_item {
  position: relative;
}
.irtest-history__history_line_hide_item._01 {
  width: 350px;
}
.irtest-history__history_line_hide_item._01::after {
  display: none;
}
.irtest-history__history_line_hide_item._02 {
  width: 670px;
}
.irtest-history__history_line_hide_item._03 {
  width: 900px;
}
.irtest-history__history_line_hide_item._04 {
  width: 760px;
}
.irtest-history__history_line_hide_item._05 {
  width: 900px;
}
.irtest-history__history_line_hide_item._06 {
  flex: 1 1 auto;
}
.irtest-history__history_line_hide_item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 101%;
  height: 100%;
  background: #fff;
  transform-origin: right center;
  transition: scale 2s ease;
}
.irtest-history__history_line_hide_item.scroll-show::after {
  scale: 0 1;
}
.irtest-history__history_change {
  position: absolute;
  top: 170px;
  left: 478px;
  width: 46px;
  height: 580px;
}
.irtest-history__history_change img {
  width: auto;
  height: 100%;
}
.irtest-history__history_box_ttl {
  height: 560px;
}
.irtest-history__history_box_ttl img {
  height: 100%;
  width: auto;
}
.irtest-history__history_box_wrap {
  position: absolute;
  left: 0;
  top: 0;
  padding-top: 170px;
  width: 100%;
  display: flex;
}
.irtest-history__history_item {
  background: #fff;
  position: absolute;
  translate: 0 -50%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  white-space: nowrap;
  padding: 0 5px;
  z-index: 10;
}
.irtest-history__history_item a {
  color: #000;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  white-space: nowrap;
  cursor: pointer;
}
.irtest-history__history_item_year {
  font-family: "Oswald", sans-serif;
  font-size: 14px;
  line-height: 1;
  font-weight: bold;
}
.irtest-history__history_item_img {
  flex: 0 0 auto;
  width: 68.2px;
}
.irtest-history__history_item_txt {
  font-size: 12px;
  line-height: 1.4;
  position: relative;
}
.irtest-history__history_item_btn {
  display: inline-block;
  position: absolute;
  left: 0;
  top: 100%;
  color: #fff;
  font-size: 9px;
  line-height: 1.8;
  padding: 0 0.8em;
  margin-top: 5px;
  border-radius: 3px;
}
.irtest-history__history_item_btn::after {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  rotate: 45deg;
  vertical-align: 0.1em;
}
.irtest-history__history_item._tate1 {
  top: 191px;
}
.irtest-history__history_item._tate2 {
  top: 325px;
}
.irtest-history__history_item._tate3 {
  top: 407.7px;
}
.irtest-history__history_item._tate4 {
  top: 485px;
}
.irtest-history__history_item._tate5 {
  top: 561px;
}
.irtest-history__history_item._tate6 {
  top: 637px;
}
.irtest-history__history_item._tate7 {
  top: 708px;
}
.irtest-history__history_item._tate8 {
  top: 265px;
}
.irtest-history__history_item._tate8._name {
  top: 258.5px;
}
.irtest-history__history_item._tate1 .irtest-history__history_item_year, .irtest-history__history_item._tate2 .irtest-history__history_item_year, .irtest-history__history_item._tate8 .irtest-history__history_item_year {
  color: #5fa2dd;
}
.irtest-history__history_item._tate1 .irtest-history__history_item_btn, .irtest-history__history_item._tate2 .irtest-history__history_item_btn, .irtest-history__history_item._tate8 .irtest-history__history_item_btn {
  background-color: #5fa2dd;
}
.irtest-history__history_item._tate3 .irtest-history__history_item_year, .irtest-history__history_item._tate4 .irtest-history__history_item_year, .irtest-history__history_item._tate5 .irtest-history__history_item_year {
  color: #eb8740;
}
.irtest-history__history_item._tate3 .irtest-history__history_item_btn, .irtest-history__history_item._tate4 .irtest-history__history_item_btn, .irtest-history__history_item._tate5 .irtest-history__history_item_btn {
  background-color: #eb8740;
}
.irtest-history__history_item._tate3._name, .irtest-history__history_item._tate4._name, .irtest-history__history_item._tate5._name {
  border-color: #eb8740;
  color: #eb8740;
}
.irtest-history__history_item._tate6 .irtest-history__history_item_year, .irtest-history__history_item._tate7 .irtest-history__history_item_year {
  color: #ec8399;
}
.irtest-history__history_item._tate6 .irtest-history__history_item_btn, .irtest-history__history_item._tate7 .irtest-history__history_item_btn {
  background-color: #ec8399;
}
.irtest-history__history_item._tate6._name, .irtest-history__history_item._tate7._name {
  border-color: #ec8399;
  color: #ec8399;
}
.irtest-history__history_item._01 {
  left: 111px;
}
.irtest-history__history_item._02 {
  left: 96px;
}
.irtest-history__history_item._03 {
  left: 175px;
}
.irtest-history__history_item._04 {
  left: 198px;
}
.irtest-history__history_item._05 {
  left: 590px;
}
.irtest-history__history_item._06 {
  left: 744px;
}
.irtest-history__history_item._07 {
  left: 984px;
}
.irtest-history__history_item._08 {
  left: 755px;
  padding-left: 20px;
}
.irtest-history__history_item._09 {
  left: 957px;
}
.irtest-history__history_item._10 {
  left: 1027px;
}
.irtest-history__history_item._11 {
  left: 739px;
  padding-left: 10px;
}
.irtest-history__history_item._12 {
  left: 946px;
}
.irtest-history__history_item._13 {
  left: 546px;
}
.irtest-history__history_item._14 {
  left: 776px;
}
.irtest-history__history_item._15 {
  left: 981px;
}
.irtest-history__history_item._16 {
  left: 753px;
}
.irtest-history__history_item._17 {
  left: 1185px;
}
.irtest-history__history_item._18 {
  left: 1390px;
}
.irtest-history__history_item._19 {
  left: 1624px;
}
.irtest-history__history_item._20 {
  left: 1846px;
}
.irtest-history__history_item._21 {
  left: 1618px;
  padding-left: 10px;
}
.irtest-history__history_item._22 {
  left: 1864px;
}
.irtest-history__history_item._23 {
  left: 1380px;
}
.irtest-history__history_item._24 {
  left: 1161px;
}
.irtest-history__history_item._25 {
  left: 1631px;
}
.irtest-history__history_item._26 {
  left: 2107px;
}
.irtest-history__history_item._27 {
  left: 2679px;
}
.irtest-history__history_item._28 {
  left: 2129px;
}
.irtest-history__history_item._29 {
  left: 2412px;
}
.irtest-history__history_item._30 {
  left: 2724px;
}
.irtest-history__history_item._31 {
  left: 2129px;
}
.irtest-history__history_item._32 {
  left: 2476px;
}
.irtest-history__history_item._33 {
  left: 2128px;
}
.irtest-history__history_item._34 {
  left: 2152px;
}
.irtest-history__history_item._35 {
  left: 2462px;
}
.irtest-history__history_item._36 {
  left: 2696px;
}
.irtest-history__history_item._37 {
  left: 2710px;
}
.irtest-history__history_item._38 {
  left: 2900px;
}
.irtest-history__history_item._39 {
  left: 3445px;
}
.irtest-history__history_item._40 {
  left: 2900px;
}
.irtest-history__history_item._41 {
  left: 3225px;
}
.irtest-history__history_item._42 {
  left: 3446px;
}
.irtest-history__history_item._43 {
  left: 2901px;
}
.irtest-history__history_item._44 {
  left: 3225px;
}
.irtest-history__history_item._45 {
  left: 3196px;
}
.irtest-history__history_item._46 {
  left: 3446px;
}
.irtest-history__history_item._47 {
  left: 2905px;
}
.irtest-history__history_item._48 {
  left: 4011px;
}
.irtest-history__history_item._49 {
  left: 3981px;
}
.irtest-history__history_item._50 {
  left: 3995px;
}
.irtest-history__history_item._51 {
  left: 3995px;
}
.irtest-history__history_item._52 {
  left: 3753px;
}
.irtest-history__history_item._53 {
  left: 3981px;
}
.irtest-history__history_item._54 {
  left: 3995px;
}
.irtest-history__history_item._55 {
  left: 3443px;
}
.irtest-history__history_item._name {
  right: 280px;
  width: 185px;
  height: 30px;
  border-radius: 5px;
  border: 1px solid #5fa2dd;
  color: #5fa2dd;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  font-weight: bold;
  text-align: center;
  padding: 0;
}
.irtest-history__history_item[data-scroll-yoko] {
  transition: opacity 0.4s ease, transform 0.4s ease;
  opacity: 0;
  transform: translate(4rem, 0);
}
.irtest-history__history_item[data-scroll-yoko].scroll-show {
  opacity: 1;
  transform: translate(0, 0);
}
@media print, screen and (max-width: 769px) {
  .irtest-history__history {
    padding-left: 5vw;
    margin-top: 5vw;
  }
  .irtest-history__history_wrap {
    width: 3841.6px;
    height: 643px;
    overflow: hidden;
  }
  .irtest-history__history_inner {
    scale: 0.8;
    transform-origin: left top;
  }
}

.irtest-area {
  margin-top: 15vw;
}
.irtest-area__box {
  margin-top: 15vw;
  border: 1px solid #5fa2dd;
  border-radius: 5vw;
  overflow: hidden;
}
.irtest-area__box + .irtest-area__box {
  margin-top: 5vw;
}
.irtest-area__box:first-of-type {
  margin-top: 5vw;
}
.irtest-area__box_detail {
  padding: 5vw 3vw;
}
.irtest-area__box_img {
  width: 100%;
  height: 53.3333333333vw;
}
.irtest-area__box_img img {
  width: 110%;
  height: 110%;
  object-fit: cover;
}
.irtest-area__box_ttl {
  color: #5fa2dd;
  margin-bottom: 0.3em;
}
.irtest-area__box._02 {
  border-color: #eb8740;
}
.irtest-area__box._02 .irtest-area__box_ttl {
  color: #eb8740;
}
.irtest-area__box._03 {
  border-color: #ec8399;
}
.irtest-area__box._03 .irtest-area__box_ttl {
  color: #ec8399;
}
@media print, screen and (min-width: 770px) {
  .irtest-area {
    margin-top: 80px;
  }
  .irtest-area__box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 60px;
    border-radius: 25px;
  }
  .irtest-area__box + .irtest-area__box {
    margin-top: 20px;
  }
  .irtest-area__box:first-of-type {
    margin-top: 30px;
  }
  .irtest-area__box_detail {
    flex: 1 1 auto;
    padding: 30px;
  }
  .irtest-area__box_img {
    flex: 0 0 auto;
    width: 310px;
    height: auto;
  }
  .irtest-area__box_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

.irtest-glowup {
  margin-top: 15vw;
}
.irtest-glowup__sttl {
  margin-top: 1em;
}
@media print, screen and (max-width: 769px) {
  .irtest-glowup__sttl {
    font-size: 6.4vw;
  }
}
.irtest-glowup__txt {
  margin-top: 1em;
}
@media print, screen and (max-width: 769px) {
  .irtest-glowup__txt {
    font-size: 3.7333333333vw;
  }
}
.irtest-glowup__img {
  margin-top: 1.1em;
}
.irtest-glowup__btn {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 18px;
}
@media print, screen and (min-width: 770px) {
  .irtest-glowup {
    margin-top: 80px;
  }
  .irtest-glowup__btn {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 12.5px;
    margin-top: 40px;
  }
}

.irtest-return {
  margin-top: 15vw;
}
.irtest-return__sttl {
  margin-top: 1em;
}
@media print, screen and (max-width: 769px) {
  .irtest-return__sttl {
    font-size: 6.4vw;
  }
}
.irtest-return__txt {
  margin-top: 1em;
}
@media print, screen and (max-width: 769px) {
  .irtest-return__txt {
    font-size: 3.7333333333vw;
  }
}
.irtest-return__img {
  margin-top: 1.1em;
}
.irtest-return__btn {
  margin-top: 18px;
}
@media print, screen and (min-width: 770px) {
  .irtest-return {
    margin-top: 80px;
  }
  .irtest-return__btn {
    margin-top: 40px;
  }
}

.irtest-modal {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(51, 51, 51, 0.6);
  transition: opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
}
.irtest-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}
.irtest-modal__bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.irtest-modal__item {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 90%;
  max-width: 900px;
  max-height: 80%;
  background: #fff;
  padding: 60px;
  box-sizing: border-box;
  border-radius: 20px;
  transition: opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
}
.irtest-modal__item.is-active {
  opacity: 1;
  pointer-events: auto;
}
@media print, screen and (max-width: 769px) {
  .irtest-modal__item {
    width: 80%;
    padding: 10vw;
    border-radius: 5vw;
  }
}
.irtest-modal__inner {
  overflow-y: auto;
}
.irtest-modal__close {
  position: absolute;
  right: 15px;
  top: 15px;
  width: 40px;
  height: 40px;
  background: #1656a3;
  border-radius: 100%;
  cursor: pointer;
}
@media print, screen and (max-width: 769px) {
  .irtest-modal__close {
    top: 3vw;
    right: 3vw;
    width: 8vw;
    height: 8vw;
  }
}
.irtest-modal__close::before, .irtest-modal__close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  rotate: 45deg;
  width: 40%;
  height: 2px;
  background: #fff;
}
.irtest-modal__close::after {
  rotate: -45deg;
}

/* ------------------------------
    page
------------------------------ */
.irtest-page {
  padding-top: 45px;
}
@media print, screen and (min-width: 770px) {
  .irtest-page {
    padding-top: 113px;
  }
  .irtest-page .irtest-txt {
    font-size: 18px;
    line-height: 2;
  }
  .irtest-page .irtest-txt._small {
    font-size: 16px;
  }
}
.irtest-page .irtest-mv {
  padding-left: 5vw;
  margin-top: 8vw;
  position: relative;
}
.irtest-page .irtest-mv__bg img {
  width: 100%;
}
.irtest-page .irtest-mv__inner {
  color: #fff;
  position: absolute;
  left: 50%;
  translate: -50% 0;
  width: 85%;
  padding-left: 5%;
  max-width: 1000px;
  bottom: 8vw;
  z-index: 1;
}
.irtest-page .irtest-mv__txt {
  margin-top: 1em;
  font-weight: normal;
}
@media print, screen and (min-width: 770px) {
  .irtest-page .irtest-mv {
    padding-left: 40px;
    margin-top: 70.25px;
  }
  .irtest-page .irtest-mv__inner {
    bottom: 80px;
    padding: 0;
  }
  .irtest-page .irtest-mv__txt {
    font-size: 16px;
    line-height: 2;
  }
}
.irtest-page .irtest-anchor-nav {
  grid-template-columns: 1fr 1fr;
  margin-bottom: -5vw;
}
@media print, screen and (min-width: 770px) {
  .irtest-page .irtest-anchor-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: -40px;
  }
  .irtest-page .irtest-anchor-nav__item {
    width: 300px;
  }
}
.irtest-page .irtest-section {
  margin: 15vw 0 10vw;
}
.irtest-page .irtest-section:last-child {
  margin-bottom: 0;
}
@media print, screen and (min-width: 770px) {
  .irtest-page .irtest-section {
    margin: 100px 0 60px;
  }
}
.irtest-page .irtest-section .irtest-h3 + .irtest-h2 {
  margin-top: 0.5em;
}
.irtest-page .irtest-bg {
  padding: 10vw 5vw;
}
.irtest-page .irtest-bg._sky {
  background: rgba(95, 162, 221, 0.15);
}
.irtest-page .irtest-bg._orange {
  background: rgba(235, 135, 64, 0.15);
}
.irtest-page .irtest-bg._pink {
  background: rgba(236, 131, 153, 0.15);
}
@media print, screen and (min-width: 770px) {
  .irtest-page .irtest-bg {
    padding: 60px 0;
  }
}
.irtest-page .irtest-block01 {
  display: flex;
  flex-direction: column;
  gap: 8vw;
  margin-top: 10vw;
}
.irtest-page .irtest-block01__item {
  flex: 1;
}
.irtest-page .irtest-block01__txt {
  margin-top: 1em;
  font-size: 3.2vw;
}
.irtest-page .irtest-block01__img {
  margin-top: 3vw;
}
.irtest-page .irtest-block01__img img {
  width: 100%;
}
.irtest-page .irtest-block01__table {
  width: 100%;
  margin-top: 5vw;
}
.irtest-page .irtest-block01__table:first-of-type {
  margin-top: 3vw;
}
.irtest-page .irtest-block01__table th,
.irtest-page .irtest-block01__table td {
  width: 30%;
  font-size: 2.9333333333vw;
  line-height: 1.4;
  text-align: center;
  vertical-align: middle;
  padding: 0.5em 0;
  border: 1px solid #b3b3b3;
}
.irtest-page .irtest-block01__table th {
  background: #d9d9d9;
  font-weight: normal;
}
.irtest-page .irtest-block01__table thead th,
.irtest-page .irtest-block01__table thead td {
  background: #8e8e93;
  color: #fff;
  font-weight: bold;
}
@media print, screen and (min-width: 770px) {
  .irtest-page .irtest-block01 {
    flex-direction: row;
    gap: 40px;
    margin-top: 50px;
  }
  .irtest-page .irtest-block01__txt {
    font-size: 16px;
    line-height: 2;
  }
  .irtest-page .irtest-block01__img {
    margin-top: 20px;
  }
  .irtest-page .irtest-block01__table {
    margin-top: 20px;
  }
  .irtest-page .irtest-block01__table:first-of-type {
    margin-top: 10px;
  }
  .irtest-page .irtest-block01__table th,
  .irtest-page .irtest-block01__table td {
    font-size: 12px;
    padding: 0.5em;
  }
}
.irtest-page .irtest-block02 {
  display: flex;
  flex-direction: column;
  gap: 5vw;
  margin-top: 10vw;
}
.irtest-page .irtest-block02__ttl {
  margin-bottom: -0.5em;
}
.irtest-page .irtest-block02__txt {
  margin-top: 1em;
  font-size: 3.2vw;
}
.irtest-page .irtest-block02__img {
  margin-top: 3vw;
}
.irtest-page .irtest-block02__img img {
  width: 100%;
  border-radius: 5vw;
}
@media print, screen and (min-width: 770px) {
  .irtest-page .irtest-block02 {
    gap: 30px;
    margin-top: 50px;
  }
  .irtest-page .irtest-block02__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  .irtest-page .irtest-block02__txt {
    font-size: 16px;
    line-height: 2;
  }
  .irtest-page .irtest-block02__img {
    flex: 0 0 auto;
    margin: 0;
    width: 220px;
  }
  .irtest-page .irtest-block02__img img {
    border-radius: 15px;
  }
}
.irtest-page-footer {
  background: #fff;
  margin: 15vw 0;
}
.irtest-page-footer__nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5vw;
}
.irtest-page-footer__nav_item {
  width: 100%;
}
.irtest-page-footer__nav_item .irtest-btn {
  margin: 0;
}
.irtest-page-footer__nav_item .irtest-btn a {
  width: 100%;
}
.irtest-page-footer__nav_item .irtest-btn._grey {
  pointer-events: none;
}
@media print, screen and (min-width: 770px) {
  .irtest-page-footer {
    margin: 60px 0;
  }
  .irtest-page-footer__nav {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
  }
  .irtest-page-footer__nav_item .irtest-btn a {
    font-size: 14px;
    height: 55px;
  }
}

.irtest-block__ttl.-col--2 {
  display: flex;
}
.irtest-block__ttl.-col--2 > * {
  width: 50%;
}

.irtest-space_device {
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.irtest-space_device__bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  z-index: 0;
}
.irtest-space_device__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.irtest-space_device .irtest-wrap {
  width: 80%;
  position: relative;
  z-index: 1;
  color: #fff;
}
.irtest-space_device__intro {
  text-align: center;
}
.irtest-space_device__intro_sttl {
  margin-top: 1.5em;
}
.irtest-space_device__intro_txt {
  margin-top: 1em;
  line-height: 2;
}
.irtest-space_device__theme {
  margin-top: 6rem;
}
.irtest-space_device__theme_ttl {
  text-align: center;
}
.irtest-space_device__theme_flex {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-top: 4rem;
}
.irtest-space_device__theme_imgwrap {
  display: flex;
  align-items: flex-end;
  gap: 2rem;
}
.irtest-space_device__theme_img {
  margin-top: 1em;
}
.irtest-space_device__theme_img img {
  width: 100%;
}
.irtest-space_device__theme_img .irtest-caption {
  margin-top: 0.5em;
}
@media print, screen and (min-width: 770px) {
  .irtest-space_device {
    padding-top: 10rem;
  }
  .irtest-space_device__theme_imgwrap > *:first-child {
    width: 55%;
  }
  .irtest-space_device__theme_flex {
    flex-direction: row;
    justify-content: space-between;
    gap: 6rem;
  }
  .irtest-space_device__theme_flex > div {
    flex: 1;
  }
}

body:has(.irtest-space_device) .irtest-page-footer,
body:has(.irtest-space_device) #footer {
  position: relative;
  z-index: 1;
}
body:has(.irtest-space_device) .irtest-page-footer {
  background: #fff;
  margin: 0;
  padding: 15vw 0;
}
@media print, screen and (min-width: 770px) {
  body:has(.irtest-space_device) .irtest-page-footer {
    padding: 60px 0;
  }
}

/* ------------------------------
    スクロールアニメーション
------------------------------ */
*[data-scroll=fade-top] {
  transition: opacity 0.6s, transform 0.6s;
  opacity: 0;
  transform: translateY(30px);
}
*[data-scroll=fade-top].scroll-show {
  opacity: 1;
  transform: translateY(0);
}