/* This file is for flow */
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);
}

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

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

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

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

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

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

.flow-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);
}

.flow-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;
}

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

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

/* attention-section */
.attention-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.attention-list li {
  position: relative;
  padding: 12px 14px 12px 18px;
  background: #fff;
  border: 1px solid rgba(0,0,0,.06);
  border-radius: 10px;
  line-height: 1.8;
  box-shadow: 0 2px 4px rgba(0,0,0,.04);
}

.attention-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--brand);
  border-radius: 10px 0 0 10px;
}

@media (max-width: 840px) {
  .flow-contents { padding-inline: 16px; }
  
  .flow-items {
    display: grid;
    row-gap: 0px;
  }

  .flow-item {
    display: block;
    gap: 0;
  }

  .flow-item + .flow-item {
    margin-top: 24px;
  }

  .flow-item.column-reverse { flex-direction: initial; }

  .flow-item-image { display: none; }

  .flow-item-textbox {
    margin-top: 0;
    padding-block: 14px;
    padding-inline: 12px;
  }

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

  .attention-list ul { gap: 12px; }
  .attention-list li { padding: 10px 12px 10px 16px; }
}