コンテンツ+右サイド広告固定のブログ2カラム

<div class="d01-15-07-frame">
          <div class="d01-15-07-scroll">
            <div class="d01-15-07-main">
              <h4>ブログ記事タイトル</h4>
              <div class="d01-15-07-line w95"></div>
              <div class="d01-15-07-line w85"></div>
              <div class="d01-15-07-block"></div>
              <div class="d01-15-07-line w90"></div>
              <div class="d01-15-07-line w75"></div>
              <div class="d01-15-07-block"></div>
              <div class="d01-15-07-line w88"></div>
              <div class="d01-15-07-line w80"></div>
              <div class="d01-15-07-block"></div>
            </div>
            <div class="d01-15-07-side">
              <span class="d01-15-07-adlabel">AD</span>
              <div class="d01-15-07-adbox"></div>
              <span class="d01-15-07-adlabel">AD</span>
              <div class="d01-15-07-adbox tall"></div>
            </div>
          </div>
        </div>

.prev.d01-15-07{padding:0;display:block}
        .d01-15-07-frame{position:relative;width:100%;height:100%;min-height:260px;overflow:hidden;background:#fff}
        .d01-15-07-scroll{position:absolute;inset:0;overflow-y:auto;display:flex;align-items:flex-start}
        .d01-15-07-main{flex:1;padding:18px 16px;box-sizing:border-box;display:flex;flex-direction:column;gap:10px}
        .d01-15-07-main h4{margin:0;font-size:13px;color:#1a1d24;font-weight:800}
        .d01-15-07-line{height:8px;border-radius:4px;background:#e7e9ee}
        .d01-15-07-line.w95{width:95%}
        .d01-15-07-line.w90{width:90%}
        .d01-15-07-line.w88{width:88%}
        .d01-15-07-line.w85{width:85%}
        .d01-15-07-line.w80{width:80%}
        .d01-15-07-line.w75{width:75%}
        .d01-15-07-block{height:56px;border-radius:8px;background:linear-gradient(135deg,#fef3c7,#fde68a)}
        .d01-15-07-side{flex:0 0 30%;position:sticky;top:0;align-self:flex-start;background:#fafaf8;border-left:1px solid #eee;padding:16px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;box-sizing:border-box;min-height:260px}
        .d01-15-07-adlabel{font-size:9px;letter-spacing:.15em;color:#b45309;font-weight:700}
        .d01-15-07-adbox{width:100%;height:70px;border-radius:6px;background:linear-gradient(135deg,#fbbf24,#f59e0b)}
        .d01-15-07-adbox.tall{height:100px}