/* This file is for top */
main {
  background:
    radial-gradient(circle at 1px 1px, #CFE0FB 1.2px, transparent 1.8px) 0 0/10px 10px,
    radial-gradient(circle at 1px 1px, #CFE0FB 1.2px, transparent 1.8px) calc(10px/2) calc(10px/2)/10px 10px,
    var(--bg);
}

/* campaign-section */
.campaign-contents {
  padding-block: 30px;
  padding-inline: 20px;
}

.campaign-banner {
  max-width: 840px;
  overflow: hidden;
  margin: 12px auto 0;
}

.campaign-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* aboutus-section */
.aboutus-contents {
  padding-block: 30px;
  padding-inline: 20px;
}

.aboutus-description {
  margin: 0 auto 30px;
  padding: 16px 14px;
  max-width: 840px;
  background-color: var(--bg);

  /* box-shadow */
  border: 1px solid rgba(0, 0, 0, 0.03);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 12px 28px rgb(0, 0, 0, 0.12);
}

.reason-item {
  display: flex;
  align-items: flex-start;
  gap: 64px;
}

.reason-item + .reason-item {
  margin-top: 40px;
}

.reason-item.column-reverse {
  flex-direction: row-reverse;
}

.reason-item-image {
  flex: 0 0 45%;
  max-width: 45%;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.reason-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reason-item-textbox {
  flex: 1 1 0;
  min-width: 0;
  margin-top: 30px;
  padding-block: 15px;
  padding-inline: 10px;
  background-color: var(--bg);

  /* box-shadow */
  border: 1px solid rgba(0, 0, 0, 0.03);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 12px 28px rgb(0, 0, 0, 0.12);
}

.reason-item-header {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 6px;
  border-bottom: 2px solid rgba(0, 0, 0, 0.08);
  margin-bottom: 10px;
}

.reason-item-number {
  font-size: 1.8rem;
  font-weight: 700;
  font-family: 'Times New Roman', Times, serif;
  line-height: 1;
  color: var(--brand);
}

.reason-item-title {
  font-size: 1.2rem;
}

/* service-section */
.service-contents {
  padding-block: 30px;
  padding-inline: 20px;
  background-color: var(--bg);
}

.service-items-column {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 20px;
}

.service-items-column + .service-items-column {
  margin-top: 20px;
}

.service-items-column.cols-2 .service-item {
  flex: 0 0 min(520px, calc((100% - 20px) / 2));
  max-width: 520px;
}

.service-items-column.cols-4 .service-item {
  flex: 0 0 min(260px, calc((100% - 20px * 3) / 4));
  max-width: 260px;
}

.service-item {
  position: relative;
  padding: 5px;
  border: 5px solid #e5e7eb;
  border-top-color: var(--brand);
}

.service-item-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

.service-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-item-title {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  padding: 10px 14px;
  color: var(--brand);
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  font-weight: 700;
  line-height: 1.3;
  background: rgba(255, 255, 255, 0.85);
  border-top: 1px solid #D4AF37;
  border-bottom: 1px solid #D4AF37;
}

.service-items-column.cols-4 .service-item-title {
  font-size: clamp(.85rem, 1vw, .95rem);
  padding: 6px 8px;
}

.service-item-description {
  line-height: 1.4;
  font-size: .95rem;
}

.service-items-column.cols-4 .service-item-description {
  font-size: clamp(.85rem, 0.95vw, .9rem);
}

@media (max-width: 840px) {
  /* reason-section */
  .reason-contents { padding-inline: 16px; }

  .aboutus-description { font-size: clamp(.85rem, 3.2vw, .95rem); }
  
  .reason-items {
    display: grid;
    row-gap: 24px;
  }

  .reason-item {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 12px;
    column-gap: 0;
    align-items: start;
  }

  .reason-item.column-reverse {
    grid-template-columns: 1fr;
  }

  .reason-item-image, .reason-item-textbox {
    width: 100%;
    max-width: 100%;
  }

  .reason-item-textbox {
    margin-top: 8px;
    padding-block: 12px;
    padding-inline: 12px;
  }

  .reason-item-number { font-size: clamp(1.1rem, 5vw, 1.5rem); }
  .reason-item-title { font-size: clamp(.9rem, 3.6vw, 1.1rem); }
  .reason-item-description { font-size: clamp(.85rem, 3.2vw, .95rem); }

  /* service-section */
  .service-items-column {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .service-items-column.cols-2 .service-item {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .service-items-column.cols-4 .service-item {
    flex: 1 1 calc((100% - 20px) / 2);
    max-width: calc((100% - 20px) / 2);
  }

  .service-item-description {
    font-size: clamp(0.88rem, 3.2vw, 0.95rem);
  }

  .service-items-column.cols-4 .service-item-description {
    font-size: clamp(0.65rem, 3vw, 0.75rem);
  }
}