/* ==========================================
   導入目的ランキング
   ・サイトの html の font-size が 10px のため、rem ではなく px で指定
   ・サイズ感は導入事例ページ（.article-block 幅640px）に合わせています
   ・バーの長さ：各項目の style="--rate:数値" ÷ 最大値（--max）で計算
     → 1位のバーが最大幅。数値を変えるときは --max も1位の値に合わせる
========================================== */
.reason-rank {
  --accent: #EA0029;
  --accent-light: #ffc5c5;
  --line: #e5e5e5;
  --bar-bg: #f2f2f2;
  --text-sub: #666;
  --max: 24; /* 1位の割合 */

  max-width: 640px;
  margin: 0 auto 60px;
  padding: 0;
  box-sizing: border-box;
  font-size: 14px;
}
.reason-rank *,
.reason-rank *::before,
.reason-rank *::after {
  box-sizing: border-box;
}

/* 見出し（サイト共通の見出し装飾を打ち消す） */
.reason-rank .reason-rank__title {
  margin: 0 0 16px;
  padding: 0;
  border: 0;
  background: none;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
}
.reason-rank .reason-rank__title::before,
.reason-rank .reason-rank__title::after {
  content: none;
}
.reason-rank__period {
  display: block;
  width: fit-content;
  margin: 0 auto 12px;
  padding: 4px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.05em;
}
.reason-rank .reason-rank__lead {
  margin: 0 0 32px;
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}

/* つなぎ文（見出しの前に置く導入文） */
#case #wrap #contents .reason-rank .reason-rank__bridge {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.9;
  text-align: center;
}

/* リスト（サイト共通のol/li装飾を打ち消す） */
.reason-rank .reason-rank__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.reason-rank .reason-rank__item {
  display: grid;
  grid-template-columns: 56px 1fr 80px;
  grid-template-areas:
    "no label rate"
    "no bar   rate";
  align-items: center;
  column-gap: 16px;
  row-gap: 10px;
  margin: 0;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
  list-style: none;
}
.reason-rank .reason-rank__item::before,
.reason-rank .reason-rank__item::after {
  content: none;
}

/* 順位 */
.reason-rank__no {
  grid-area: no;
  display: flex;
  align-items: baseline;
  justify-content: center;
  color: var(--text-sub);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}
.reason-rank__no small {
  margin-left: 1px;
  font-size: 12px;
}
.reason-rank__item.is-top .reason-rank__no {
  align-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 20px;
}

/* 項目名 */
.reason-rank__label {
  grid-area: label;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

/* バー */
.reason-rank__bar {
  grid-area: bar;
  display: block;
  height: 12px;
  border-radius: 6px;
  background: var(--bar-bg);
  overflow: hidden;
}
.reason-rank__bar span {
  display: block;
  width: calc(var(--rate) / var(--max) * 100%);
  height: 100%;
  border-radius: 6px;
  background: var(--accent-light);
}
.reason-rank__item.is-top .reason-rank__bar span {
  background: var(--accent);
}

/* 割合 */
.reason-rank__rate {
  grid-area: rate;
  color: var(--text-sub);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  text-align: right;
}
.reason-rank__rate small {
  margin-left: 2px;
  font-size: 14px;
}
.reason-rank__item.is-top .reason-rank__rate {
  color: var(--accent);
  font-size: 36px;
}
.reason-rank__item.is-top .reason-rank__rate small {
  font-size: 16px;
}

/* その他（バーなし・グレー表示） */
.reason-rank .reason-rank__item.is-other {
  grid-template-areas: "no label rate";
  background: #fafafa;
}
.reason-rank__item.is-other .reason-rank__no,
.reason-rank__item.is-other .reason-rank__label,
.reason-rank__item.is-other .reason-rank__rate {
  color: #999;
}
.reason-rank__item.is-other .reason-rank__label {
  font-weight: 500;
}
.reason-rank__item.is-other .reason-rank__label small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
}
.reason-rank__item.is-other .reason-rank__rate {
  font-size: 24px;
}

/* 注記 */
.reason-rank .reason-rank__note {
  margin: 16px 0;
  text-align: center;
  color: var(--text-sub);
  font-size: 12px;
  line-height: 1.7;
}

/* 改行の出し分け */
.reason-rank .sp-only { display: none; }

/* スマホ */
@media (max-width: 767px) {
  .reason-rank {
    margin-bottom: 35px;
  }
  .reason-rank .reason-rank__title {
    font-size: 22px;
  }
  .reason-rank .reason-rank__lead {
    margin-bottom: 24px;
  }
  .reason-rank .reason-rank__bridge {
    margin-bottom: 32px;
    font-size: 14px;
    text-align: left;
  }
  .reason-rank .sp-only { display: inline; }
  .reason-rank .pc-only { display: none; }
  .reason-rank .reason-rank__item {
    grid-template-columns: 44px 1fr 60px;
    column-gap: 12px;
    row-gap: 8px;
    padding: 16px 4px;
  }
  .reason-rank__no {
    font-size: 18px;
  }
  .reason-rank__item.is-top .reason-rank__no {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }
  .reason-rank__label {
    font-size: 14px;
  }
  .reason-rank__bar {
    height: 10px;
  }
  .reason-rank__rate {
    font-size: 22px;
  }
  .reason-rank__rate small {
    font-size: 12px;
  }
  .reason-rank__item.is-top .reason-rank__rate {
    font-size: 28px;
  }
  .reason-rank__item.is-top .reason-rank__rate small {
    font-size: 14px;
  }
  .reason-rank__item.is-other .reason-rank__rate {
    font-size: 20px;
  }
}