@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
}

/* About Page */
.about-page .section-title {
  margin-top: 60px;
  margin-bottom: 30px;
}
.about-page .section-title-en {
  margin-bottom: 40px;
}
.about-page .content-text {
  font-family: "Noto Sans JP", sans-serif;
  margin-top: -0.84375vw;
  font-weight: 400;
  font-size: clamp(0.875rem, 0.625rem + 0.42vw, 1.125rem); /*1920px~960pxで18px~14px*/
  line-height: 140%;
  letter-spacing: 5%;
  color: var(--black);
}

.about-page-container {
  margin: 0 auto;
  padding: 0 0 100px;
  width: 74vw;
}

/* ヘッダーセクション */
.about-page-header {
  text-align: center;
  margin-bottom: 80px;
}

.about-page-description {
  margin: 0 auto;
}

/* メインコンテンツ */
.about-main-content {
  display: flex;
  gap: 4%;
  align-items: flex-start;
  margin-bottom: 120px;
}

.about-main-content:last-child {
  margin-bottom: 0;
}

/* 逆レイアウト（02番目の特徴用） */
.about-content-reverse {
  direction: rtl;
}

.about-content-reverse .about-content-section,
.about-content-reverse .about-image-section {
  direction: ltr;
}

/* 画像セクション */
.about-image-section {
  position: relative;
  width: 48%;
}
.about-image-section img {
  width: 100%;
  z-index: 2;
}

/* 画像の下の四角 */
.about-main-content:nth-child(2n) .about-image-section::after {
  content: "";
  position: absolute;
  width: 120%;
  height: 100%;
  background-color: var(--bg-blue);
  top: 18%;
  left: 0;
  margin-left: -12.5vw;
  z-index: -1;
}

.about-main-content:nth-child(2n-1) .about-image-section::after {
  content: "";
  position: absolute;
  width: 120%;
  height: 100%;
  background-color: var(--bg-blue);
  top: -18%;
  right: 0;
  margin-right: -12.5vw;
  z-index: -1;
}

/* コンテンツセクション */
.about-content-section {
  width: 48%;
}

.about-main-content:nth-child(2n-1) .about-content-section {
  margin-top: -30px;
}

.about-main-content .feature-description,
.about-main-content .feature-title,
.about-main-content .feature-number,
.about-main-content .feature-label {
  width: 85%;
}

.about-main-content:nth-child(2n-1) .feature-description,
.about-main-content:nth-child(2n-1) .feature-title,
.about-main-content:nth-child(2n-1) .feature-number,
.about-main-content:nth-child(2n-1) .feature-label {
  margin-left: auto;
}

.feature-label {
  font-weight: 700;
  font-size: 18px;
  line-height: 140%;
  letter-spacing: 5%;
  color: var(--blue);
  display: block;
}

.feature-number {
  font-family: "Anuphan", sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 140%;
  letter-spacing: 5%;
  color: var(--blue);
}

.feature-title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 1.5rem + 0.42vw, 2rem); /*32~28px*/
  line-height: 140%;
  letter-spacing: 5%;
  color: var(--blue);
  margin-bottom: 20px;
}

/* 授業+αの楽しみセクション */
.activities-section {
  background: var(--blue);
  padding: 80px 0;
  color: white;
}

.activities-container {
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */
.activities-header {
  text-align: center;
  margin-bottom: 40px;
}

.activities-title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 42px;
  line-height: 100%;
  letter-spacing: 10%;
  text-align: center;
  color: var(--white);
  letter-spacing: 0.2rem;
}

.activities-subtitle {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 18px;
  line-height: 140%;
  letter-spacing: 5%;
  text-align: center;
  color: var(--white);
  margin: 20px auto auto;
}

/* カードコンテナ */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
  margin: auto;
  width: 75vw;
  min-width: 800px;
  background-color: var(--white);
  padding: 40px;
}

/* カード */
.activity-card {
  overflow: hidden;
}

.activity-image-placeholder {
  width: 100%;
}
.activity-image-placeholder img {
  width: 100%;
  aspect-ratio: 1.65/1;
  -o-object-fit: cover;
     object-fit: cover;
}

.activity-card-title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 600;
  font-size: clamp(1.375rem, 1rem + 0.63vw, 1.75rem); /* 28~22px */
  line-height: 140%;
  letter-spacing: 5%;
  text-align: center;
  color: var(--blue);
  padding: 10px 0 16px;
  margin-bottom: 10px;
}

.activity-content .content-text {
  font-family: "Noto Sans JP", sans-serif;
  margin-top: -0.84375vw;
  font-weight: 400;
  font-size: clamp(0.875rem, 0.625rem + 0.42vw, 1.125rem); /*1920px~960pxで18px~14px*/
  line-height: 140%;
  letter-spacing: 5%;
}

@media screen and (max-width: 1440px) {
  .about-page-container {
    margin: 0 auto;
    padding: 0 0 100px;
    width: 84vw;
    min-width: auto;
  }
  /* 画像の下の四角 */
  .about-main-content:nth-child(2n) .about-image-section::after {
    width: 110%;
    margin-left: -8vw;
  }
  .about-main-content:nth-child(2n-1) .about-image-section::after {
    width: 110%;
    margin-right: -8vw;
  }
}
@media (max-width: 960px) {
  /* About Page */
  .about-page .section-title {
    margin-top: 30px;
    margin-bottom: 10px;
  }
  .about-page .section-title-en {
    margin-bottom: 20px;
  }
  .about-page .content-text {
    font-weight: 400;
    font-size: 16px;
    line-height: 140%;
    letter-spacing: 5%;
    color: var(--black);
  }
  .about-page-container {
    margin: 0 auto;
    padding: 0 20px 50px;
    width: 100%;
    min-width: auto;
    max-width: 800px;
  }
  /* ヘッダーセクション */
  .about-page-header {
    text-align: left;
    margin-bottom: 40px;
  }
  .about-page-description {
    margin: 0 auto;
  }
  /* メインコンテンツ */
  .about-main-content {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
  }
  .about-main-content:last-child {
    margin-bottom: 0;
  }
  /* 画像セクション */
  .about-image-section {
    width: 100%;
  }
  /* 画像の下の四角 */
  .about-main-content:nth-child(2n) .about-image-section::after {
    top: 15%;
    right: 5%;
    z-index: -1;
  }
  .about-main-content:nth-child(2n-1) .about-image-section::after {
    top: 15%;
    left: 5%;
    z-index: -1;
  }
  /* コンテンツセクション */
  .about-content-section {
    width: 100%;
  }
  .about-main-content:nth-child(2n-1) .about-content-section {
    margin-left: 12%;
    margin-top: 0;
  }
  .about-main-content:nth-child(2n) .feature-description {
    width: 100%;
  }
  .feature-label {
    font-weight: 700;
    font-size: 14px;
    line-height: 140%;
    letter-spacing: 5%;
  }
  .feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  .feature-number {
    font-weight: 700;
    font-size: 28px;
    line-height: 140%;
    letter-spacing: 5%;
  }
  .feature-title {
    font-weight: 700;
    font-size: 24px;
    line-height: 140%;
    letter-spacing: 5%;
    margin-bottom: 20px;
  }
  /* 授業+αの楽しみセクション */
  .activities-section {
    padding: 50px 20px;
  }
  .activities-container {
    margin: 0 auto;
    padding: 0;
  }
  /* ヘッダー */
  .activities-header {
    margin-bottom: 20px;
  }
  .activities-title {
    font-weight: 700;
    font-size: 28px;
    line-height: 1.2;
    letter-spacing: 10%;
    text-align: center;
  }
  .activities-subtitle {
    font-size: 18px;
    text-align: left;
    max-width: 800px;
  }
  /* カードコンテナ */
  .activities-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 30px;
    margin: auto;
    width: 100%;
    max-width: 800px;
    min-width: auto;
    background-color: var(--blue);
    padding: 0;
  }
  /* カード */
  .activity-card {
    background-color: var(--white);
    padding: 20px;
  }
  .activity-image-placeholder {
    width: 100%;
  }
  .activity-image-placeholder img {
    width: 100%;
    aspect-ratio: 1.45/1;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .activity-card-title {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 140%;
    letter-spacing: 5%;
    text-align: center;
    color: var(--blue);
    margin-bottom: 0;
  }
}/*# sourceMappingURL=about.css.map */