@charset "UTF-8";

/* ====================================
Header
======================================= */

.header--top {
  background-color: transparent;
  position: fixed;
  width: 100%;
  z-index: 10;
  top: 0;
  left: 0;
  height: 57px;
}

.header--top--wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 13px 6.4% 10px; /*調整した*/
  position: relative;
}

.header--top__instagram {
  display: inline-block;
  width: 46px;
  height: 46px;
  background-image: url("../img/Instagram.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

/* .header--top__menu {
  display: inline-block;
  width: 40px;
  height: 40px;
  background-image: url("../img/Menu.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  margin-left: 4%;
} */

/*==================================================
3本線が回転して×に
===================================*/

/*ボタン外側※レイアウトによってpositionや形状は適宜変更してください*/
.header--top__menu {
  position: absolute;
  cursor: pointer;
  width: 40px;
  height: 40px;
  top: 13px;
  z-index: 100;
}

/*ボタン内側*/
.header--top__menu span {
  display: inline-block;
  transition: all 0.4s; /*アニメーションの設定*/
  position: absolute;
  left: 14px;
  height: 3px;
  border-radius: 2px;
  background: #fff;
}

.header--top__menu.scrolled span {
  background: #212121;
  mix-blend-mode: difference; /* 必要なら調整 */
}

.header--top__menu span:nth-of-type(1) {
  top: 15px;
  width: 45%;
}

.header--top__menu span:nth-of-type(2) {
  top: 23px;
  width: 35%;
}

.header--top__menu span:nth-of-type(3) {
  top: 31px;
  width: 20%;
}

/*activeクラスが付与されると線が回転して×になる*/

.header--top__menu.active span:nth-of-type(1) {
  top: 18px;
  left: 18px;
  transform: translateY(6px) rotate(-135deg);
  width: 50%;
}

.header--top__menu.active span:nth-of-type(2) {
  opacity: 0;
}

.header--top__menu.active span:nth-of-type(3) {
  top: 30px;
  left: 18px;
  transform: translateY(-6px) rotate(135deg);
  width: 50%;
}

.header--top__menu.active span {
  background: #fff !important;
}

.header--top__menu.scrolled span {
  background: #666;
}

@media screen and (min-width: 769px) {
  .header--top {
    height: 60px;
  }
  .header--top--wrapper {
    padding: 20px 60px; /*調整した*/
  }

  .header--top__menu {
    display: none;
  }

  .header--top--wrapper.scrolled-bg {
    background: linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.01) 0%,
      /* 上はすごく薄い */ rgba(255, 255, 255, 0.3) 50%,
      /* 真ん中が濃いめ */ rgba(255, 255, 255, 0.01) 100% /* 下もすごく薄い */
    );
    transition: background-color 0.3s ease;
  }

  .nav__item--scrolled a {
    color: #666 !important;
    text-shadow: none !important;
  }

  .nav__item--scrolled a:hover {
    color: #212721 !important;
  }

  .nav__item--scrolled a::after {
    background: #212721;
  }
}
/* ====================================
main
======================================= */

/* MV */
.hero {
  position: relative;
  margin-top: 57px;
}

.heroTopics {
  position: absolute;
  left: 4.5%;
  z-index: 1;
}

.heroImg__sp {
  position: relative;
  top: -57px;
  left: 0;
  margin-bottom: -57px;
}

.heroImg__pc {
  display: none;
}

.heroTopics__title {
  font-size: clamp(2.8rem, 22vw, 8rem);
  font-weight: 600;
  line-height: 1;
  color: #fff;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.35), 0 0 4px rgba(33, 39, 33, 0.15);
  letter-spacing: 0.075em;
}

.heroTopics__title span {
  display: block;
}

.heroTopics__subtitle {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-shadow: 1px 1px 1.5px rgba(0, 0, 0, 0.3), 0 0 3px rgba(33, 39, 33, 0.1);
  margin-top: 18px;
  letter-spacing: 0.03em;
}

.heroTopics__subtitle {
  opacity: 0;
  transform: translateY(-80px);
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1),
    transform 1s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: 0.4s;
}

.heroTopics__subtitle.is-show {
  opacity: 1;
  transform: translateY(0);
}

.randomAnime {
  visibility: hidden;
}

@media screen and (min-width: 769px) {
  .hero {
    margin-top: 0;
  }

  .heroTopics {
    left: clamp(80px, 9.72vw, 140px);
    top: clamp(80px, 9.17vw, 132px);
    z-index: 1;
  }

  .heroImg__sp {
    display: none;
  }

  .heroImg__pc {
    display: block;
    position: relative;
  }

  .heroTopics__title {
    font-size: clamp(8.4rem, 6vw, 10rem);
  }

  .heroTopics__subtitle {
    font-size: 3rem;
    margin-top: 18px;
  }
}

/* about */
.section--about {
  padding: 0 5.33%;
}

.aboutCaption__titleEnglish {
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1.3;
  margin-top: 50px;
}

.aboutCaption__titleJapanese {
  color: #666;
  font-family: "Noto Serif JP", "Noto Sans JP", sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 14px;
}

.aboutCaption__text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.4rem;
  margin-top: 26px;
}

.btn--topAbout {
  margin-top: 26px;
}

@media screen and (min-width: 769px) {
  .section--about {
    padding-left: clamp(20px, 9.02%, 130px);
    padding-right: clamp(20px, 9.02%, 130px);
  }

  .aboutCaption__titleEnglish {
    font-size: 3rem;
    margin-top: 70px;
  }

  .aboutCaption__titleJapanese {
    font-size: 2.2rem;
  }

  .aboutCaption__text {
    font-size: 1.6rem;
  }
}

/* activities */
.section--activities {
  padding: 0 5.33%;
}

.sectionTitle__titleEnglish {
  text-align: center;
  font-size: 4rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 2.8px;
  margin-top: 110px;
}

.sectionTitle__titleJapanese {
  color: #666;
  text-align: center;
  font-family: "Noto Serif JP", "Noto Sans JP", sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 14px;
}

.sectionContentWrapper {
  margin-top: 30px;
}

.sectionContent {
  display: flex;
  padding: 30px 5.33%;
  flex-direction: column;

  border-radius: 30px 0;
  background-color: #ececea;

  margin-top: 30px;
}

.sectionContent__titleEnglish {
  font-size: 3.6rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.72px;
}

.sectionContent__titleJapanese {
  color: #666;
  font-family: "Noto Serif JP", "Noto Sans JP", sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 14px;
}

.sectionContent__photo {
  margin-top: 30px;
  text-align: center;
}

.sectionContent__text {
  text-align: center;
  margin-top: 30px;
  color: #212721;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.4rem;
}

.btn--topActivity {
  margin-top: 30px;
}

@media screen and (min-width: 769px) {
  .section--activities {
    padding-left: clamp(20px, 9.02%, 130px);
    padding-right: clamp(20px, 9.02%, 130px);
  }

  .sectionTitle__titleEnglish {
    margin-top: 154px;
  }

  .sectionContent {
    padding: 30px 20px;
    flex: 1;
    align-items: stretch;
    display: flex;
    flex-direction: column;
  }

  .sectionContentWrapper {
    display: flex;
    gap: 20px;
  }

  .sectionContent__titleEnglish {
    font-size: clamp(2rem, 2.5vw, 2.8rem);
  }

  .sectionContent__titleJapanese {
    font-size: clamp(1.5rem, 2vw, 1.8rem);
  }

  .sectionContent__text {
    flex: 1;
    font-size: 1.6rem;
  }
}

@media screen and (min-width: 944px) {
  .sectionContent__titleEnglish {
    font-size: clamp(2rem, 3vw, 3.6rem);
  }

  .sectionContent__titleJapanese {
    font-size: 2.2rem;
  }
}