.npb-main{max-width:1180px;margin:0 auto;padding:28px 20px 48px;color:#17422b}
.npb-main>h1{font-size:clamp(30px,5vw,44px);margin:0 0 12px}.npb-intro{font-size:1.1rem;line-height:1.6;max-width:800px;margin-bottom:26px}
.npb-level{margin:12px 0;border:1px solid #a5c6a7;border-radius:12px;background:#f5fbf1;overflow:hidden}
.npb-level summary{padding:15px 18px;cursor:pointer;font-size:1.1rem;font-weight:700;min-height:48px;box-sizing:border-box}
.npb-level summary:hover,.npb-level summary:focus-visible{background:#dff0d7;outline-offset:-3px}.npb-level[open]>summary{border-bottom:1px solid #c9ddc6}
.npb-level>.npb-level{margin:12px 16px}.npb-level-0>summary{background:#e3f3db;font-size:1.3rem}.npb-level-3>summary{background:#edf7e9}
.npb-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:20px;padding:18px}
.npb-card{min-width:0;border:1px solid #a5c6a7;border-radius:12px;background:#fff;overflow:hidden}.npb-card>a{display:block;height:100%;color:inherit;text-decoration:none}.npb-card>a:focus-visible{outline:3px solid #126d3f;outline-offset:-3px}
.npb-card img{display:block;width:100%;height:220px;object-fit:contain;background:#edf7e9}.npb-card-copy{padding:18px}.npb-card h2{font-size:1.35rem;line-height:1.3;margin:0 0 12px}.npb-card p{line-height:1.6;margin:0 0 16px;overflow-wrap:anywhere}.npb-more{font-weight:700;color:#126d3f}
.npb-empty{padding:24px;border:1px solid #a5c6a7;border-radius:12px;background:#edf7e9;line-height:1.6}
.npb-detail .plp-book-intro{align-items:flex-start}.npb-detail .plp-book-intro ul{padding-left:18px;font-size:.95rem;line-height:1.6;overflow-wrap:anywhere}.npb-detail .plp-book-intro>div{flex:1 1 350px}
@media(max-width:600px){.npb-main{padding:20px 12px 32px}.npb-level>.npb-level{margin:8px}.npb-level summary{padding:13px 10px}.npb-grid{padding:10px;gap:14px}.npb-card img{height:190px}.npb-detail .plp-book-intro .dt-btn{width:100%}}