.pdd-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:4px 0 8px}.pdd-back{color:var(--blue);font-weight:600;font-size:14px;text-decoration:none;white-space:nowrap}.pdd-back:hover{text-decoration:underline}.pdd-back:after{content:"·";margin-left:10px;color:var(--line);font-weight:400}.pdd-num{color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap}.pdd-title{margin:0 0 14px;font-size:28px;font-weight:800;line-height:1.2;color:var(--ink)}.pdd-article .panel{padding:20px 22px 18px}.pdd-nav{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin:16px 0 8px}.pdd-nav-item{display:flex;flex-direction:column;gap:3px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);text-decoration:none;color:inherit;transition:border-color .15s}.pdd-nav-item:hover{border-color:var(--blue)}.pdd-nav-item.next{text-align:right}.pdd-nav-lab{color:var(--muted);font-size:12.5px;font-weight:600}.pdd-nav-name{font-size:15px;font-weight:700;line-height:1.3;overflow-wrap:anywhere}.pdd-list-head{margin:26px 0 2px;font-size:20px;font-weight:800;color:var(--ink)}.pdd-list-sub{margin:0;color:var(--muted);font-size:14px}.pdd-list{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-top:12px}.pdd-list-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:inherit;text-decoration:none;transition:background .15s}.pdd-list-item:hover{background:var(--blue-soft,#eaf0ff)}.pdd-list-num{flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--blue-soft,#eaf0ff);color:var(--blue);font-size:13px;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pdd-list-name{font-size:14.5px;font-weight:600;line-height:1.3;overflow-wrap:anywhere}@media (max-width:760px){.pdd-title{font-size:23px}.pdd-list,.pdd-nav{grid-template-columns:1fr}.pdd-nav-item.next{text-align:left}.pdd-article .panel{padding:15px}}