.grand-prize h3,
.grand-prize p,
.grand-prize span {
  justify-content: flex-start;
}

.border-box4 {
  border: 4px solid var(--subaru-blue);
  border-radius: 0;
}

.grand-prize-image {
  position: absolute;
  inset: 0 0 0 auto;
  width: 70%;
  height: 100%;
}

.grand-prize-image::before {
  position: absolute;
  background-image: url(../image/prize-winner.webp);
  background-position: 50%;
  background-size: cover;
  content: "";
  height: 100%;
  left: 0;
  top: 0;
  transition: inherit;
  width: 100%;
  z-index: -2;
}

.prize-box {
  padding: 2rem;
  width: calc(50% - 1rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.grand-prize {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.grand-prize h3 {
  font-size: 1.6rem;
}

.grand-prize .prize-name {
  font-size: 4rem;
}

.prize-box h3,
.prize-box p {
  text-align: center;
}

.prize-name {
  font-size: 2rem;
  font-weight: 600;
  color: var(--subaru-blue);
}

.prize-text {
  display: flex;
  padding: 6rem;
  gap: 0.5rem;
  width: 80%;
  flex-direction: column;
  align-items: flex-start;
}
.grand-prize .prize-text {
  background: linear-gradient(
    90deg,
    rgb(255, 255, 255) 0%,
    rgb(255, 255, 255) 60%,
    rgba(255, 255, 255, 0) 100%
  );
}
.prize-description {
  font-size: 1rem;
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  max-width: min(800px, 90vw);
}

.prize-title {
  font-size: 1.2rem;
}

.prize-list {
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 2rem;
}

.prize-note {
  color: var(--subaru-blue);
  text-align: center;
  max-width: 90vw;
  font-size: 0.9rem !important;
}

.prize-limit {
  font-size: 1.6rem;
  line-height: 1.4em;
  color: var(--subaru-blue);
}

/* Responsive: laptop (max-width: 1120px) */
/* @media (max-width: 1120px) {
  .section-title {
    font-size: 2.75rem;
  }
  .prize-list {
    gap: 1.5rem;
  }
  .grand-prize-image {
    width: 60%;
  }
  .prize-text {
    padding: 4rem;
  }
} */

/* Responsive: tablet (max-width: 840px) */
@media (max-width: 840px) {
  /* タイポグラフィ/余白 */
  .grand-prize h3 {
    font-size: 1.4rem;
  }
  .grand-prize .prize-name {
    font-size: 3rem;
  }
  .prize-title {
    font-size: 1.1rem;
  }
  .prize-name {
    font-size: 1.5rem;
  }

  /* レイアウト */
  .prize-list {
    gap: 1rem;
  }
  .grand-prize-image {
    width: 60%;
  }
  .prize-text {
    width: 80%;
    padding: 3rem;
  }
  .prize-box {
    width: 100%;
    padding: 1.5rem;
  }
}

/* Responsive: sp (max-width: 540px) */
@media (max-width: 540px) {
  /* タイポグラフィ/余白 */
  .grand-prize h3 {
    font-size: 1.25rem;
  }
  .grand-prize .prize-name {
    font-size: 2.4rem;
  }
  .prize-title {
    font-size: 1rem;
  }
  .prize-name {
    font-size: 1.25rem;
  }
  .prize-description {
    font-size: 0.9rem;
  }
  .section-box {
    gap: 2rem;
  }

  /* レイアウト */
  .grand-prize h3,
  .grand-prize p,
  .grand-prize span {
    justify-content: center;
  }
  .prize-list {
    flex-direction: column;
    gap: 1rem;
  }
  .grand-prize {
    flex-direction: column;
  }
  .grand-prize-image {
    position: relative;
    width: 100%;
    height: 300px;
  }
  .prize-text {
    width: 100%;
    padding: 1.5rem;
    align-items: center;
    text-align: center;
  }
  .grand-prize .prize-text {
    background: none;
  }
}