/* ==============================
   Course Page（プログラム紹介）
   Figma: 103-2275
   ============================== */

.course-page {
  background-color: var(--color-bg-warm);
  scroll-behavior: smooth;
}


/* ----------------------------------------
   Hero（Figma: 103-2277）
   ---------------------------------------- */
.course-hero {
  background-color: var(--color-bg-warm);
  padding: 80px var(--container-pad-sp) 60px;
}

.course-hero__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}

.course-hero__title-wrap {
  width: 100%;
  text-align: center;
}

.course-hero__title-inner {
  display: inline-block;
  position: relative;
  text-align: center;
}

.course-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-2xl);
  line-height: 1.2;
  color: var(--color-primary);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.course-hero__title-line {
  display: block;
}

.course-hero__deco {
  position: absolute;
  width: 56px;
  height: auto;
  object-fit: contain;
  top: auto;
}

.course-hero__deco--left {
  left: -10px;
  bottom: 0;
  transform: translateX(-100%) rotate(-20deg);
}

.course-hero__deco--right {
  right: -10px;
  top: 0;
  transform: translateX(100%) rotate(20deg);
}

.course-hero__desc {
  font-family: var(--font-base);
  font-weight: 500;
  font-size: var(--text-md);
  line-height: 1.8;
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .course-hero {
    padding: 100px var(--container-pad-pc) 80px;
  }

  .course-hero__inner {
    gap: 60px;
  }

  .course-hero__title {
    font-size: 40px;
  }

  .course-hero__deco {
    width: 70px;
  }
}


/* ----------------------------------------
   Filter（Figma: 373-4370）
   ---------------------------------------- */
.course-filter {
  background-color: var(--color-primary);
  padding: 32px var(--container-pad-sp);
  margin-bottom: 40px;
}

.course-filter__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.course-filter__btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-lg);
  color: var(--color-text);
  background: var(--color-white);
  padding: 16px 32px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: opacity 0.2s;
}

.course-filter__btn:hover {
  opacity: 0.9;
}

.course-filter__btn.is-active {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

@media (min-width: 768px) {
  .course-filter__inner {
    padding: 0;
  }

  .course-filter__btn {
    font-size: 24px;
  }
}


/* ----------------------------------------
   Category Block（Figma: 105-1817, 105-1932...）
   ---------------------------------------- */
.course-category {
  padding: 30px var(--container-pad-sp) 40px;
  scroll-margin-top: 80px; /* アンカー時、固定ヘッダーで隠れないように */
}

.course-category__placeholder {
  font-family: var(--font-base);
  font-size: var(--text-md);
  color: var(--color-text);
  margin: 0;
}

.course-category__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  background: var(--color-white);
  border-radius: 16px;
  padding: 64px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.course-category__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.course-category__label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.course-category--teal .course-category__label {
  background: var(--color-secondary);
}

.course-category__subtitle {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0;
}

.course-category--teal .course-category__subtitle {
  color: var(--color-secondary);
}

.course-category__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.course-category__bullets li {
  font-family: var(--font-base);
  font-weight: 700;
  font-size: var(--text-md);
  line-height: 1.8;
  color: var(--color-text);
  padding-left: 1.2em;
  position: relative;
}

.course-category__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

.course-category--teal .course-category__bullets li::before {
  background: var(--color-secondary);
}

.course-category__cta-wrap {
  text-align: center;
}


/* ----------------------------------------
   Course Card List（Figma: 105-1884, 105-1954...）
   ---------------------------------------- */
.course-card-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding: 48px 64px;
  border-radius: 16px;
  border: 2px solid;
  align-items: flex-end;
}

.course-card-list--orange {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
}

.course-card-list--teal {
  background: #eff8f8;
  border-color: var(--color-secondary);
}

@media (max-width: 767px) {
  .course-category__inner {
    padding: 32px var(--space-5);
  }

  .course-card-list {
    padding: 32px 24px;
    gap: 24px;
  }
}


/* ----------------------------------------
   Course Card（Figma: 431-7142）
   ---------------------------------------- */
.course-card {
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.course-card__title {
  font-family: var(--font-base);
  font-weight: 700;
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-text);
  text-align: center;
  margin: 0;
}

@media (min-width: 768px) {
  .course-card__title {
    font-size: 20px;
  }
}

.course-card__img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 400 / 300;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-placeholder);
  transition: opacity 0.2s;
}

.course-card__img-wrap:hover {
  opacity: 0.8;
}

.course-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.course-card__img-link {
  display: block;
  width: 100%;
  height: 100%;
}

.course-card__btn {
  position: absolute;
  bottom: 0;
  left: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: 0 var(--radius-md) 0 var(--radius-md);
  font-family: var(--font-base);
  font-weight: 700;
  font-size: var(--text-md);
  color: var(--color-primary);
  background: var(--color-bg-alt);
  text-decoration: none;
  line-height: 1.3;
  transition: opacity 0.2s;
}

.course-card-list--teal .course-card__btn {
  color: var(--color-secondary);
  background: #eff8f8;
}

.course-card__btn-icon {
  width: 13px;
  height: 13px;
  transform: rotate(90deg);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .course-card-list {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}


/* ----------------------------------------
   YouTube Section（Figma: 103-2040）
   他カテゴリと異なるレイアウト：見出し＋再生アイコン＋YouTube埋め込み2本
   ---------------------------------------- */
.course-youtube {
  padding: 30px var(--container-pad-sp) 200px;
  scroll-margin-top: 80px;
}

.course-youtube__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.course-youtube__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.course-youtube__icon {
  flex-shrink: 0;
  display: block;
  width: 56px;
  height: auto;
  object-fit: contain;
}

.course-youtube__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0;
}

.course-youtube__list {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.course-youtube__embed {
  width: 100%;
  max-width: 800px;
  background: var(--color-white);
  border: 3px dashed var(--color-primary);
  border-radius: 16px;
  padding: 16px;
}

.course-youtube__iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 200px;
  border: 0;
  border-radius: 16px;
  display: block;
}

@media (min-width: 768px) {
  .course-youtube__icon {
    width: 84px;
  }

  .course-youtube__title {
    font-size: 24px;
  }

  .course-youtube__iframe {
    min-height: 450px;
    aspect-ratio: 800 / 450;
  }
}