@charset "UTF-8";

#key-visual {
  background-image: url(../images/news-key-visual.jpg);
}
main {
  border-bottom: 0.1rem solid #ccc;
}
#sec01:before {
  content: "";
  display: block;
  border-left: 21.8vw solid #ffd700;
  border-bottom: 21.8vw solid transparent;
  position: absolute;
  left: 0;
  top: 0;
}
#sec01:after {
  content: "";
  display: block;
  border-bottom: min(29.3vw, 42rem) solid #274a9d;
  border-left: min(29.3vw, 42rem) solid transparent;
  position: absolute;
  right: 0;
  bottom: 0;
}
#sec01 .inner {
  z-index: 9;
}
article {
  padding: 2.4rem;
  background: #fff;
  margin-bottom: 0.1rem;
  transition: 0.3s all ease;
}
article:hover {
  transform: translateX(2rem);
}
article a {
  display: block;
}
.date {
  display: block;
  margin-bottom: 1.2rem;
  color: #274a9d;
}
article h2 {
  font-weight: 400;
  line-height: 1.75;
  font-size: 1.6rem;
}

/* 画像を横並びにするCSSを追加してください */
.pic-area {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.pic_img {
  width: 100%;
  max-width: 220px; /* 必要に応じて調整 */
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

@media screen and (max-width: 599px) {
  main {
    border-bottom: 0.2rem solid #ccc;
  }
  #sec01:before {
    border-left: 19vw solid #ffd700;
    border-bottom: 19vw solid transparent;
  }
  #sec01:after {
    border-bottom: 28.7rem solid #274a9d;
    border-left: 28.7rem solid transparent;
  }

  article {
    padding: 4rem;
    margin-bottom: 0.2rem;
  }
  .date {
    display: block;
    margin-bottom: 3rem;
  }
  article h2 {
    font-size: clamp(16px, 3.2rem, 32px);
  }
  .pic-area {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
  .pic_img {
    max-width: 100%;
  }
}