/* ===== Features ===== */
.c-features {
  background: transparent;
  padding: 120px 0 60px;
}

.c-features .c-section-heading {
  margin-bottom: 64px;
  gap: 40px;
}

.c-features__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 16px;
}

.c-features__item {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.c-features__circle {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-full);
  border: 4px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  padding: 24px 20px 40px;
  box-sizing: border-box;
}

.c-features__circle-number {
  position: absolute;
  top: -36px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  font-family: var(--font-family-en);
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.c-features__circle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.c-features__circle-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.c-features__item-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-black);
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin: 0;
}

.c-features__item-description {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

/* =========================================
   余白 (1142px)
   ========================================= */
@media (max-width: 1142px) {
  .c-features__circle {
    padding: 16px 20px 40px;
  }

  .c-features__list {
    gap: 16px;
  }

  .c-features__item-title {
    font-size: 21.33px;
  }

  .c-features__item-description {
    font-size: 14.22px;
  }

  .c-features__circle-icon {
    width: 64px;
    height: 64px;
  }

  .c-features__circle-icon img {
    width: 64px;
    height: 64px;
  }
}

/* =========================================
   余白 (1024px)
   ========================================= */
@media (max-width: 1024px) {
  .c-features {
    padding: 40px 0 32px;
  }
}

/* =========================================
   TABLET (990px)
   ========================================= */
@media (max-width: 990px) {
  /* 縦積みだと円が大きすぎるため、上1つ・下2つの三角構成に変更 */
  /* 列幅を円の表示幅に合わせ、グリッド全体を中央寄せすることで円同士を近づける */
  .c-features__list {
    grid-template-columns: repeat(2, min-content);
    justify-content: center;
    gap: 0 24px;
  }

  /* 02・03を少し持ち上げ、01との間隔を詰めて三角形のバランスを整える */
  .c-features__item:nth-child(2),
  .c-features__item:nth-child(3) {
    margin-top: -20px;
  }

  .c-features__item:first-child {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
  }

  /* Features circle: keep perfect circle and prevent text overflow */
  .c-features__circle {
    width: min(50vw, 300px);
    height: auto;
    aspect-ratio: 1 / 1;
    justify-content: flex-start;
    padding: 20px 32px;
    gap: 6px;
  }

  .c-features__circle-icon img {
    width: 64px;
  }

  .c-features__item-title {
    font-size: var(--font-size-lg);
  }

  .c-features__item-description {
    font-size: 13px;
    line-height: 1.5;
  }

  .c-features__circle-number {
    font-size: 25.6px;
  }
}

/* =========================================
   SP (390px)
   ========================================= */
@media (max-width: 390px) {
  .c-features__circle {
    width: min(100%, 260px);
  }
}

/* =========================================
   SP (767px)
   ========================================= */
@media (max-width: 767px) {
  .c-features .c-section-heading.c-section-heading--center {
    margin-bottom: 8px;
    gap: 16px;
  }

  /* モバイル：1カラムの縦積みレイアウトに戻す */
  .c-features__list {
    grid-template-columns: 1fr;
    justify-content: stretch;
    gap: 32px;
    padding-top: 40px;
  }

  /* 三角形配置用の持ち上げを解除 */
  .c-features__item:nth-child(2),
  .c-features__item:nth-child(3) {
    margin-top: 0;
  }

  .c-features__circle {
    width: min(70vw, 260px);
    max-width: none;
    flex-shrink: 0;
    height: auto;
    aspect-ratio: 1 / 1;
    padding: 16px 20px 32px;
    gap: 0;
  }

  .c-features__circle-icon {
    margin-top: 0;
    margin-bottom: 0;
  }

  .c-features__circle-icon img {
    width: 56px;
    height: 56px;
  }

  .c-features__circle-number {
    width: 48px;
    height: 48px;
    font-size: 20px;
    top: -24px;
  }

  .c-features__item-title {
    font-size: var(--font-size-base);
    line-height: 1.3;
    margin: 0 0 8px;
  }

  .c-features__item-description {
    font-size: var(--font-size-sm);
    line-height: 1.5;
  }

  .c-features__circle-number {
    font-size: 25.6px;
  }
}

/* =========================================
   SP (390px)
   ========================================= */
@media (max-width: 390px) {
  .c-features__circle {
    width: min(100%, 260px);
  }
}

.c-features__heading-br--460 {
  display: none;
}

/* =========================================
   SP (460px)
   ========================================= */
@media (max-width: 460px) {
  .c-features__heading-br--460 {
    display: inline;
  }
}