.ratio {
  position: relative;
  width: 100%;
  padding-top: 70%;
}

.ratio > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0px;
}

#grid1 article,
#grid2 article {
  border-radius: 0.2rem !important;
}

.ratio > img {
  border-radius: 0.2rem !important;
}

/* 横スクロール用スタイル */
.horizontal-section {
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
  padding-bottom: 80px;
  margin-top: 80px;
}

.horizontal-scroll {
  display: flex;
  flex-direction: row;
  gap: 48px; /* JSのgap: 48px;を反映 */
  width: max-content;
  min-height: 480px;
  padding-left: 560px;   /* JSのpadding-left: 560px;を反映 */
  padding-right: 1240px;  /* JSのpadding-right: 560px;を反映 */
  padding-top: 0;
  padding-bottom: 0;
  /* 横スクロールを有効にする */
  will-change: transform;
}

.scroll-item {
  flex: 0 0 340px;
  max-width: 560px;
  min-width: 480px;
  margin: 0;
  margin-right: 0 !important;      /* JSのmargin-right: 0 !important;を反映 */
  border-radius: 0 !important;     /* JSのborder-radius: 0 !important;を反映 */
}

.horizontal-scroll .scroll-item:last-child {
  margin-right: 0 !important;      /* JSの:last-child指定を反映 */
}

@media (max-width: 1024px) {
  .horizontal-section {
    max-width: 360px;
  }
}

@media (max-width: 640px) {
  .horizontal-section {
    max-width: 100vw;
    margin-left: 0;
    margin-right: 0;
  }

  .horizontal-scroll {
    padding-left: 320px;   /* JSのpadding-left: 320px;を反映 */
    padding-right: 80px;   /* JSのpadding-right: 80px;を反映 */
    gap: 48px;             /* JSのgap: 48px;を反映 */
    padding-top: 0;
    padding-bottom: 0;
  }

  .scroll-item {
    flex-basis: 80vw;
    max-width: 360px;
    min-width: 70vw;
  }
}

.scroll-indicator {
  flex: 0 0 220px;
  max-width: 220px;
  min-width: 180px;
  align-self: center;
}

.section-header {
  position: fixed;
  left: 0;
  top: 72px;
  /* header height */
  z-index: 40;
  width: 100vw;
  pointer-events: none;
  transition: opacity 0.4s;
  height: 120px;
  background: transparent;
}

.section-header-inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 0rem;
  padding-left: 2vw;
  padding-right: 2vw;
  padding-top: 0.5em;
  padding-bottom: 0.5em;
  background: transparent;
  pointer-events: auto;
  height: 80px;
}

.section-header .fade {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s;
}

.section-header .show {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.4s;
}

@media (max-width: 640px) {
  .section-header-inner {
    padding-left: 4vw;
    padding-right: 4vw;
  }
}