* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.hero-image {
  width: 50%;
  height: 100%;
  aspect-ratio: 3 / 2;
  display: block;
  margin: 0px auto 20px;
}

.article-container {
  padding: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.article-content {
  height: 100%;
}

.article-content .title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 8px;
}

.article-content .date {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 16px;
}

.article-content .subtitle {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 12px;
}

.article-content .text {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-image {
  width: 100%;
  height: auto;
  margin: 24px 0;
  background-color: #ccc;
  border-radius: 0%;
}

@media (max-width: 768px) {
  .hero-image {
    width: 100%;
  }
}

/* iPad (768px〜) */
@media screen and (min-width: 768px) {
  .article-content .title {
    font-size: 2rem;
  }

  .article-content .subtitle {
    font-size: 1.5rem;
  }

  .article-content .text {
    font-size: 1.1rem;
  }
}

/* PC (1024px〜) */
@media screen and (min-width: 1024px) {
  .article-container {
    display: flex;
    flex-direction: row;
    gap: 40px;
  }

  .article-content {
    flex: 1;
  }
}