/*
|---------------------------------------------------------------
| qinc2026-about-challenges.css - 課題セクション
|---------------------------------------------------------------
*/

/* ==========================================================================
   About Challenges
   ========================================================================== */
.about-challenges {
  background-color: var(--color-white);
  padding: var(--section-padding-y) 0;
}

/* --------------------------------------------------------------------------
   Grid Layout
   -------------------------------------------------------------------------- */
.about-challenges__grid {
  display: flex;
  gap: 80px;
}

/* --------------------------------------------------------------------------
   Left Column (Sticky)
   -------------------------------------------------------------------------- */
.about-challenges__left {
  flex: 0 0 36%;
  max-width: 451px;
}

.about-challenges__title {
  font-weight: 900;
  font-size: 40px;
  line-height: 1.65;
  color: var(--color-blue01);
  margin: 0 0 44px;
}

.about-challenges__desc {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.625;
  color: var(--color-blue01);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Right Column (Items)
   -------------------------------------------------------------------------- */
.about-challenges__right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* --------------------------------------------------------------------------
   Challenge Item
   -------------------------------------------------------------------------- */
.about-challenges__item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.about-challenges__item-icon {
  flex-shrink: 0;
  width: 64px;
  height: 58px;
  position: relative;
}

.about-challenges__item-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-challenges__item-icon .about-challenges__item-number {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-family-en);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-blue01);
  opacity: 0;
}

.about-challenges__item-body {
  flex: 1;
}

.about-challenges__item-title {
  font-weight: 700;
  font-size: 22px;
  line-height: 1.27;
  color: var(--color-blue01);
  margin: 0 0 12px;
}

.about-challenges__item-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.625;
  color: var(--color-blue01);
  margin: 0;
}

/* ==========================================================================
   Responsive - About Challenges
   ========================================================================== */
@media screen and (max-width: 1024px) {
  .about-challenges {
    padding: var(--section-padding-y-md) 0;
  }

  .about-challenges__grid {
    gap: 48px;
  }

  .about-challenges__title {
    font-size: 32px;
  }

  .about-challenges__item-title {
    font-size: 20px;
  }
}

@media screen and (max-width: 768px) {
  .about-challenges {
    padding: var(--section-padding-y-sp) 0;
  }

  .about-challenges__grid {
    flex-direction: column;
    gap: 40px;
  }

  .about-challenges__left {
    flex: none;
    max-width: none;
  }

  .about-challenges__title {
    font-size: 28px;
    margin-bottom: 24px;
  }

  .about-challenges__right {
    gap: 32px;
  }

  .about-challenges__item {
    gap: 20px;
  }

  .about-challenges__item-icon {
    width: 48px;
    height: 44px;
  }

  .about-challenges__item-title {
    font-size: 18px;
  }

  .about-challenges__item-text {
    font-size: 14px;
  }
}