/* Parent Page Styles */

/* ページヘッダーセクションは _section-header.css で統一管理 */

/* Parent Page */
.parent-page {
  padding: 12.7rem 0 9.8rem;
}

.parent-page__inner {
  margin: 0 auto;
  padding: 0;
}

/* コンテンツタイトル */
.parent-page__subtitle-section {
  text-align: center;
  margin-bottom: 7.1rem;
  padding: 0 9.4rem;
}

.parent-page__subtitle {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary-lighter);
  line-height: 1.3;
  margin: 0;
  position: relative;
}

.parent-page__subtitle::after {
  content: "";
  position: absolute;
  top: 5.6rem;
  right: 15rem;
  transform: translateY(-50%);
  width: 18.1rem;
  height: 14.1rem;
  background-image: url(../../../img/page-title-decolation-page-parent.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

/* なぜ今数学なのかセクション */
.why-math-section {
  margin: 4rem 9.5rem 6rem;
  padding: 6.9rem 10.6rem 5.4rem;
  background-color: #f8fafa;
  border-radius: 3rem;
}

.why-math-section__title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 1.9rem 0;
  line-height: 1.3;
  position: relative;
  padding-left: 2.9rem;
}

.why-math-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 2.438rem;
  height: 2.438rem;
  border: 0.4rem solid var(--color-text-primary);
  border-radius: 50%;
}

.why-math-section__intro-wrapper {
  margin-bottom: 2.5rem;
}

.why-math-section__intro {
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0 0 2.6rem 0;
  font-weight: 500;
}

.why-math-section__intro:last-child {
  margin: 0 0 3.3rem 0;
}

.why-math-section__reasons {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.reason-item {
  margin: 0 0 0.7rem 0;
}

.reason-item__number {
  width: 1.3rem;
  background: var(--color-primary-lighter);
  color: white;
  border-radius: 50%;
  font-family: "Inter", sans-serif;
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.5;
  margin: 0 0.5rem 0 0;
  display: block;
}

.reason-item__title {
  display: flex;
  width: fit-content;
  background-color: var(--color-primary-lighter);
  padding: 0.4rem 2.5rem;
  border-radius: 5rem;
  font-size: 1.6rem;
  font-weight: 500;
  color: #fff;
  margin: 0 0 1.2rem 0;
  line-height: 1.5;
}

.reason-item__text {
  padding: 0 2rem;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0;
  font-weight: 500;
}

/* 学校の授業セクション */
.school-class-section {
  margin: 4rem 9.4rem 5.9rem;
  padding: 7rem 10.7rem 4.6rem;
  background-color: #f8fafa;
  border-radius: 3rem;
}

.school-class-section__title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 4.1rem 0;
  line-height: 1.3;
  position: relative;
  padding-left: 3rem;
}

.school-class-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 2.438rem;
  height: 2.438rem;
  border: 0.4rem solid var(--color-text-primary);
  border-radius: 50%;
}

.school-class-section__content {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  margin: 0 0 0 0;
}

.school-class-section__text {
  flex: 1;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-weight: 500;
}

.school-class-section__text p {
  margin: 0 0 2.7rem 0;
  font-weight: 500;
}

.school-class-section__image {
  flex-shrink: 0;
  width: 47.2rem;
  height: 49.4rem;
  overflow: hidden;
  border-radius: 2rem;
}

.school-class-section__img {
  max-width: none;
  width: auto;
  height: 100%;
  object-position: -13.5rem;
}

/* 個別学習設計セクション */
.individual-learning-section {
  margin: 0 9.4rem 12.8rem;
  padding: 7rem 10.7rem;
  background-color: #f8fafa;
  border-radius: 3rem;
}

.individual-learning-section__title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 4.1rem 0;
  line-height: 1.3;
  position: relative;
  padding-left: 3rem;
}

.individual-learning-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 2.438rem;
  height: 2.438rem;
  border: 0.4rem solid var(--color-text-primary);
  border-radius: 50%;
}

.individual-learning-section__content {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.individual-learning-section__text {
  flex: 1;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-weight: 500;
}

.individual-learning-section__text p {
  margin: 0 0 2.7rem 0;
  font-weight: 500;
}

.individual-learning-section__image {
  flex-shrink: 0;
  width: 47.8rem;
}

.individual-learning-section__img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

/* Math-up誕生のきっかけセクション */
.birth-story-section {
  margin: 4rem 0 12.8rem;
  background-color: #f5fbff;
}

.birth-story-section__inner {
  margin: 0 auto;
  padding: 10rem 13.1rem 8.7rem 20rem;
  display: flex;
  gap: 6.7rem;
  align-items: flex-start;
}

.birth-story-section__image {
  flex-shrink: 0;
  width: 37.6rem;
}

.birth-story-section__img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.birth-story-section__content {
  background-color: #fff;
  flex: 1;
  padding: 6.9rem 6.9rem 4.5rem 6.9rem;
  margin: 0.1rem 0 0 0;
}

.birth-story-section__title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 3rem 0;
  line-height: 1.3;
}

.birth-story-section__text {
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0 0 2.7rem 0;
  font-weight: 500;
}

/* サポート環境セクション */
.support-environment-section {
  margin: 3rem 20.1rem 6rem;
  border: 0.3rem solid var(--color-primary-lighter);
  border-radius: 3rem;
  padding: 5.6rem 0 2.9rem 5.7rem;
}

.support-environment-section__title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 2.7rem 0;
  line-height: 1.3;
}

.support-environment-section__text {
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0 0 2.7rem 0;
  font-weight: 500;
}

/* 保護者相談セクション */
.parent-consultation-section {
  margin: 3rem 20.1rem;
  border: 0.3rem solid var(--color-primary-lighter);
  border-radius: 3rem;
  padding: 5.6rem 0 2.9rem 5.7rem;
}

.parent-consultation-section__title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 2.7rem 0;
  line-height: 1.3;
}

.parent-consultation-section__text {
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0 0 2.7rem 0;
  font-weight: 500;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  /* page-headerスタイルは _section-header.css で統一管理 */

  .parent-page {
    padding: 10rem 0 8rem;
  }

  .parent-page__subtitle-section {
    text-align: center;
    margin-bottom: 23.3rem;
    padding: 0 2rem;
  }

  .parent-page__subtitle {
    font-size: 3.2rem;
  }

  .parent-page__subtitle::after {
    top: 19.7rem;
    right: 11.6rem;
    width: 12rem;
    height: 12.03rem;
  }

  /* なぜ今数学なのかセクション */
  .why-math-section {
    margin: 2rem 1rem 9.8rem;
    padding: 3rem 0rem;
  }

  .why-math-section__title {
    font-size: 2.8rem;
    padding-left: 3.3rem;
    margin-bottom: 1.6rem;
  }

  .why-math-section__title::before {
    width: 2.4rem;
    height: 2.4rem;
    top: 0.6rem;
    left: 0.1rem;
  }

  .why-math-section__intro {
    font-size: 1.6rem;
    margin-bottom: 2.7rem;
  }

  .why-math-section__intro-wrapper {
    margin-bottom: 3.3rem;
  }

  .why-math-section__intro:last-child {
    margin-bottom: 2.5rem;
  }

  .reason-item {
    margin-bottom: 1rem;
  }

  .reason-item__title {
    height: 3.5rem;
    font-size: 1.6rem;
    padding: 0.4rem 2.5rem;
    margin-bottom: 1.1rem;
  }

  .reason-item__text {
    font-size: 1.6rem;
    padding: 0 1.3rem;
    line-height: 1.62;
  }

  /* 学校の授業セクション */
  .school-class-section {
    margin: 2rem 1rem 6rem;
    padding: 3rem 0rem;
  }

  .school-class-section__title {
    font-size: 2.8rem;
    padding-left: 3.3rem;
    margin-bottom: 2.8rem;
  }

  .school-class-section__title::before {
    width: 2.4rem;
    height: 2.4rem;
    top: 0.8rem;
  }

  .school-class-section__content {
    flex-direction: column;
    gap: 3.2rem;
    margin-bottom: 2.1rem;
  }

  .school-class-section__text {
    order: 2;
  }

  .school-class-section__image {
    order: 1;
  }

  .school-class-section__text {
    font-size: 1.6rem;
  }

  .school-class-section__text p {
    margin-bottom: 2.73rem;
  }

  .school-class-section__image {
    width: 100%;
    height: 36.1rem;
  }

  .school-class-section__img {
    width: auto;
    height: 100%;
    object-position: -8.4rem;
  }

  /* 個別学習設計セクション */
  .individual-learning-section {
    margin: 0 1rem 10.6rem;
    padding: 3rem 0rem;
  }

  .individual-learning-section__title {
    font-size: 2.8rem;
    padding-left: 3.3rem;
    margin-bottom: 3.2rem;
  }

  .individual-learning-section__title::before {
    width: 2.4rem;
    height: 2.4rem;
    top: 0.8rem;
  }

  .individual-learning-section__content {
    flex-direction: column;
    gap: 2rem;
  }

  .individual-learning-section__text {
    order: 2;
  }

  .individual-learning-section__image {
    order: 1;
  }

  .individual-learning-section__text {
    font-size: 1.6rem;
  }

  .individual-learning-section__text p {
    margin-bottom: 2.7rem;
  }

  .individual-learning-section__image {
    width: 36.922rem;
  }

  .individual-learning-section__img {
    border-radius: 0.5rem;
  }

  /* Math-up誕生のきっかけセクション */
  .birth-story-section {
    margin: 2rem 0 10rem;
    padding: 0;
  }

  .birth-story-section__inner {
    padding: 5.9rem 2.4rem 9.3rem;
    flex-direction: column;
    gap: 9.1rem;
  }

  .birth-story-section__image {
    width: 100%;
    order: 1;
  }

  .birth-story-section__content {
    padding: 0;
    margin: 0;
    order: 2;
  }

  .birth-story-section__title {
    font-size: 2.8rem;
    margin-bottom: 3.3rem;
  }

  .birth-story-section__text {
    font-size: 1.6rem;
  }

  /* サポート環境セクション */
  .support-environment-section {
    margin: 2rem 1.8rem 4.8rem 1.7rem;
    padding: 5.6rem 2.3rem 3.2rem 1.8rem;
  }

  .support-environment-section__title {
    font-size: 2.8rem;
    margin-bottom: 2.4rem;
  }

  .support-environment-section__text {
    font-size: 1.6rem;
    margin-bottom: 2.7rem;
  }

  /* 保護者相談セクション */
  .parent-consultation-section {
    margin: 2rem 1.8rem 2rem 1.7rem;
    padding: 5.6rem 2.3rem 3.8rem 1.8rem;
  }

  .parent-consultation-section__title {
    font-size: 2.8rem;
    margin-bottom: 2.5rem;
  }

  .parent-consultation-section__text {
    font-size: 1.6rem;
    margin-bottom: 2rem;
  }

  /* モバイルでは改行を非表示にして、spanで改行 */
  .parent-page .sp-break {
    display: block;
    margin-bottom: 2.7rem;
  }
}