@charset "UTF-8";
:root {
  --section-container-padding: clamp(1.875rem, 1.177rem + 3.49vw, 3.75rem);
}

.topHero-hidden {
  position: relative;
}
.topHero-hidden span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topHero_topNews_wrapper {
  background: url(../images/top/back-num.png) no-repeat center top/cover;
}

/* =========================================================
.topHero
========================================================= */
.topHero {
  position: relative;
}
@media screen and (min-width: 768px) {
  .topHero {
    padding-top: var(--section-container-padding);
    padding-bottom: var(--section-container-padding);
  }
}
.topHero__inner {
  position: relative;
}
@media screen and (max-width: 767px) {
  .topHero__inner {
    padding-right: 0;
    padding-left: 0;
  }
}
.topHero__row {
  display: flex;
  flex-direction: column;
}
@media screen and (min-width: 768px) {
  .topHero__row {
    flex-direction: row;
  }
}
.topHero__textArea {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: clamp(0.938rem, 0.124rem + 4.07vw, 3.125rem);
  position: absolute;
  top: 3vw;
}
@media screen and (min-width: 768px) {
  .topHero__textArea {
    padding-left: 0;
    width: 40%;
    position: relative;
    top: initial;
  }
}
.topHero__titleWrap {
  position: relative;
}
.topHero__title {
  display: flex;
  flex-direction: column;
  font-size: clamp(1.125rem, 0.753rem + 1.86vw, 2.125rem);
  font-weight: normal;
  line-height: 1.4;
  white-space: nowrap;
  -webkit-font-feature-settings: "palt";
          font-feature-settings: "palt";
  color: #fff;
  transition: font 0.3s ease, color 0.3s ease;
}
@media screen and (min-width: 768px) {
  .topHero__title {
    color: var(--color-contrast);
  }
}
@media screen and (min-width: 1280px) {
  .topHero__title {
    font-size: clamp(1.125rem, 0.474rem + 3.26vw, 2.875rem);
  }
}
@media screen and (min-width: 768px) {
  .topHero__title__word {
    -webkit-filter: drop-shadow(0px 0px 5px #ffffff);
            filter: drop-shadow(0px 0px 5px #ffffff);
    text-shadow: 0 0 8px rgb(255, 255, 255), 1px 1px 18px rgb(255, 255, 255), -1px 1px 18px rgb(255, 255, 255), 1px -1px 18px rgb(255, 255, 255), -1px -1px 18px rgb(255, 255, 255);
  }
}
.topHero__title__word__math {
  color: var(--color-secondary);
}
.topHero__imgArea {
  flex: 1;
}
html:lang(en) .topHero__title {
  font-size: clamp(1.2rem, 0.7rem + 2.5vw, 3.2rem);
  line-height: 1.4;
}

/* =========================================================
.topNews
========================================================= */
.topNews {
  padding-top: var(--section-container-padding);
  padding-bottom: var(--section-container-padding);
  position: relative;
  overflow: hidden;
}
.topNews__inner {
  position: relative;
}
.topNews__row {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
@media screen and (min-width: 768px) {
  .topNews__row {
    flex-direction: row;
  }
}
@media screen and (min-width: 768px) {
  .topNews__title {
    align-items: flex-start;
  }
}
.topNews__newsArea {
  width: 100%;
  flex: 1;
  padding: 30px;
  border: 1px solid var(--color-white);
  background-color: rgba(255, 255, 255, 0.4);
  -webkit-backdrop-filter: blur(5px);
          backdrop-filter: blur(5px);
  box-shadow: 0px 5px 10px 0px rgba(64, 57, 153, 0.1);
  border-radius: 15px;
}
.topNews__btnArea {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  -webkit-margin-before: 30px;
          margin-block-start: 30px;
}
@media screen and (min-width: 768px) {
  .topNews__btnArea {
    justify-content: flex-start;
  }
}
.topNews__btnArea--pc {
  display: none;
}
@media screen and (min-width: 768px) {
  .topNews__btnArea--pc {
    display: flex;
  }
}
.topNews__btnArea--sp {
  display: flex;
}
@media screen and (min-width: 768px) {
  .topNews__btnArea--sp {
    display: none;
  }
}
.topNews__btn {
  min-width: 240px;
  position: relative;
  display: inline-block;
  padding: 1em calc(2em + 2px) 1em 1em;
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  line-height: 1.4;
  border-color: var(--color-primary);
  border-width: 2px;
  border-style: solid;
  transition: background-color 0.3s ease, color 0.3s ease;
  text-decoration: none !important;
}
@media screen and (min-width: 768px) {
  .topNews__btn {
    min-width: 280px;
  }
}
.topNews__btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-white) !important;
  text-decoration: none !important;
  border-color: var(--color-secondary) !important;
}
.topNews__btn::after {
  color: currentColor;
  content: "\f061";
  font-family: "Line Awesome Free";
  font-weight: 900;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: block;
  position: absolute;
  right: 1em;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

/* =========================================================
.topOverview
========================================================= */
.topOverview {
  padding-top: var(--section-container-padding);
  padding-bottom: var(--section-container-padding);
  position: relative;
  background: radial-gradient(100% 100% at 100% 0%, var(--color-tertiary) 0%, var(--color-secondary) 10%, var(--color-primary) 50%);
  border-radius: 10px 10px 0 0;
}
@media screen and (min-width: 768px) {
  .topOverview {
    border-radius: 20px 20px 0 0;
  }
}
.topOverview__row {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
@media screen and (min-width: 768px) {
  .topOverview__row {
    flex-direction: row;
  }
}
.topOverview__textArea {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1em;
}
@media screen and (min-width: 768px) {
  .topOverview__textArea {
    width: 50%;
  }
}
.topOverview__imgArea {
  width: 100%;
}
@media screen and (min-width: 768px) {
  .topOverview__imgArea {
    width: 50%;
  }
}
@media screen and (min-width: 768px) {
  .topOverview__title {
    align-items: flex-start;
  }
}
.topOverview__title .c-sectionTitle__en {
  color: var(--color-secondary);
}
.topOverview__title .c-sectionTitle__ja {
  color: #fff;
}
.topOverview__catch {
  margin-bottom: 0;
  color: var(--color-white);
}
@media screen and (min-width: 768px) {
  .topOverview__catch {
    align-items: flex-start;
  }
}
.topOverview__text {
  color: var(--color-white);
}
.topOverview__btnArea {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  -webkit-margin-before: 30px;
          margin-block-start: 30px;
}
@media screen and (min-width: 768px) {
  .topOverview__btnArea {
    justify-content: flex-start;
  }
}
.topOverview__btnArea--pc {
  display: none;
}
@media screen and (min-width: 768px) {
  .topOverview__btnArea--pc {
    display: flex;
  }
}
.topOverview__btnArea--sp {
  display: flex;
}
@media screen and (min-width: 768px) {
  .topOverview__btnArea--sp {
    display: none;
  }
}
.topOverview__btn {
  min-width: 240px;
  position: relative;
  display: inline-block;
  padding: 1em calc(2em + 2px) 1em 1em;
  background-color: var(--color-white);
  color: var(--color-primary);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  line-height: 1.4;
  border-color: var(--color-white);
  border-width: 2px;
  border-style: solid;
  transition: background-color 0.3s ease, color 0.3s ease;
  text-decoration: none !important;
}
@media screen and (min-width: 768px) {
  .topOverview__btn {
    min-width: 280px;
  }
}
.topOverview__btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-white) !important;
  text-decoration: none !important;
  border-color: var(--color-secondary) !important;
}
.topOverview__btn::after {
  color: currentColor;
  content: "\f061";
  font-family: "Line Awesome Free";
  font-weight: 900;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: block;
  position: absolute;
  right: 1em;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.topOverview__linkCards {
  display: grid;
  -webkit-margin-before: 30px;
          margin-block-start: 30px;
  grid-template-columns: 1fr;
  gap: 15px;
}
@media screen and (min-width: 480px) {
  .topOverview__linkCards {
    gap: 20px;
    grid-template-columns: 1fr 1fr;
  }
}
@media screen and (min-width: 768px) {
  .topOverview__linkCards {
    gap: 20px;
    grid-template-columns: 1fr 1fr 1fr;
  }
}
@media screen and (min-width: 1080px) {
  .topOverview__linkCards {
    gap: 30px;
  }
}
.topOverview__linkCard {
  overflow: hidden;
  border-radius: 10px;
  position: relative;
  color: #fff;
}
.topOverview__linkCard__textArea {
  position: absolute;
  bottom: 0;
  left: 0;
  /* Frame 6 */
  /* オートレイアウト */
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  padding: 20px 30px;
  gap: 10px;
  position: absolute;
  left: 0%;
  bottom: 0%;
  width: 100%;
  height: 50%;
  padding: 1em 1em 1em;
  background: linear-gradient(180deg, rgba(33, 164, 230, 0) 0%, #21A4E6 100%);
}
.topOverview__linkCard__title {
  color: #fff;
  position: relative;
  padding-left: calc(1em + 5px);
  line-height: 1.2;
}
.topOverview__linkCard__title::before {
  color: currentColor;
  content: "\f138";
  font-family: "Line Awesome Free";
  font-weight: 900;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: block;
  position: absolute;
  left: 0;
  top: calc(50% + 1px);
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  font-size: 120%;
}
.topOverview__linkCard__imgArea {
  background-color: var(--color-secondary);
  overflow: hidden;
}
.topOverview__linkCard__imgArea img {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), -webkit-transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), -webkit-transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  -webkit-transform-origin: center center;
          transform-origin: center center;
  will-change: transform;
}
.topOverview__linkCard:hover .topOverview__linkCard__imgArea img {
  -webkit-transform: scale(1.06);
          transform: scale(1.06);
  opacity: 0.8;
}

/* =========================================================
.topOther
========================================================= */
.topOther {
  padding-top: var(--section-container-padding);
  padding-bottom: var(--section-container-padding);
  background-color: var(--color-light-gray);
  position: relative;
}
.topOther__linkCards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media screen and (min-width: 480px) {
  .topOther__linkCards {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
}
@media screen and (min-width: 768px) {
  .topOther__linkCards {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 20px;
  }
}
.topOther__linkCard {
  display: flex;
  flex-direction: row;
  gap: 5px;
  padding: 5px;
  border-radius: 5px;
  text-decoration: none;
  color: var(--color-contrast);
  transition: all 0.3s ease;
}
@media screen and (max-width: 767px) {
  .topOther__linkCard {
    border: 1px solid var(--color-white);
    background-color: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(5px);
            backdrop-filter: blur(5px);
    box-shadow: 0px 5px 10px 0px rgba(64, 57, 153, 0.1);
  }
}
.topOther__linkCard:hover {
  text-decoration: none;
  color: var(--color-secondary);
}
@media screen and (min-width: 768px) {
  .topOther__linkCard {
    flex-direction: column;
    padding: 0;
    background-color: initial;
  }
}
.topOther__linkCard__textArea {
  display: flex;
  align-items: center;
}
@media screen and (min-width: 768px) {
  .topOther__linkCard__textArea {
    align-items: stretch;
  }
}
.topOther__linkCard__title {
  flex: 1;
  font-weight: bold;
  line-height: 1.2;
  font-size: 1rem;
  position: relative;
}
@media screen and (min-width: 768px) {
  .topOther__linkCard__title {
    font-size: clamp(1rem, 0.907rem + 0.47vw, 1.25rem);
    padding-left: calc(1em + 5px);
  }
  .topOther__linkCard__title::before {
    line-height: 1.1;
    color: currentColor;
    content: "\f138";
    font-family: "Line Awesome Free";
    font-weight: 900;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: block;
    position: absolute;
    left: 0;
    top: calc(50% + 1px);
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    font-size: 120%;
  }
}
.topOther__linkCard__imgArea {
  background-color: var(--color-secondary);
  overflow: hidden;
  --aspect-ratio: 1 / 1;
  aspect-ratio: var(--aspect-ratio);
  border-radius: 5px;
  width: 25%;
}
@media screen and (min-width: 768px) {
  .topOther__linkCard__imgArea {
    --aspect-ratio: 2 / 1;
    width: 100%;
  }
}
.topOther__linkCard__imgArea img {
  -o-object-fit: cover;
     object-fit: cover;
  width: 100%;
  height: 100%;
  display: block;
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), -webkit-transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), -webkit-transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  -webkit-transform-origin: center center;
          transform-origin: center center;
  will-change: transform;
}
.topOther__linkCard:hover .topOther__linkCard__imgArea img {
  -webkit-transform: scale(1.06);
          transform: scale(1.06);
  opacity: 0.8;
}

/* =========================================================
.topBnr
========================================================= */
.topBnr {
  padding-top: var(--section-container-padding);
  padding-bottom: var(--section-container-padding);
  background-color: #fff;
}
.topBnr__bnrList {
  display: grid;
  grid-template-columns: 1fr;
  justify-content: center;
  gap: 10px;
  width: 100%;
}
@media screen and (min-width: 480px) {
  .topBnr__bnrList {
    grid-template-columns: 1fr 1fr;
  }
}
@media screen and (min-width: 768px) {
  .topBnr__bnrList {
    grid-template-columns: repeat(auto-fit, 300px);
  }
}
.topBnr__bnr {
  display: flex;
  overflow: hidden;
  border-radius: 5px;
  text-decoration: none;
  background-color: var(--color-secondary);
  transition: opacity 0.3s ease;
}
.topBnr__bnr:hover {
  text-decoration: none;
  opacity: 0.8;
}
.topBnr__bnr__textArea {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 1em;
  color: #fff;
  font-weight: bold;
  line-height: 1.4;
}
.topBnr__bnr__title {
  font-size: 1rem;
  line-height: 1.3;
}
.topBnr__bnr__imgArea {
  background-color: var(--color-secondary);
  overflow: hidden;
  --aspect-ratio: 1 / 1;
  aspect-ratio: var(--aspect-ratio);
  width: 25%;
}
.topBnr__bnr__imgArea img {
  -o-object-fit: cover;
     object-fit: cover;
  width: 100%;
  height: 100%;
  display: block;
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), -webkit-transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), -webkit-transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  -webkit-transform-origin: center center;
          transform-origin: center center;
  will-change: transform;
}

/* =========================================================
.topEnglishMenu
========================================================= */
.topEnglishMenu {
  padding-top: var(--section-container-padding);
  padding-bottom: var(--section-container-padding);
  position: relative;
}