.eb-page{--eb-black: #111111;--eb-red: #c8202f;--eb-off: #f7f5f2;--eb-green: #1f5c55;--eb-line: #dedad3;--eb-muted: #5a5a5a;font-family:Pretendard,Pretendard Variable,Noto Sans KR,sans-serif;background:var(--eb-off);color:var(--eb-black);line-height:1.65;word-break:keep-all;min-height:100vh}.eb-page *{box-sizing:border-box}.eb-wrap{max-width:860px;margin:0 auto;padding:0 20px}.eb-test-banner{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:center;background:#fff4cc;color:#5c4600;font-size:13px;padding:8px 16px;border-bottom:1px solid #ecd27a}.eb-test-banner button{font:inherit;font-size:12px;border:1px solid #b89a2e;background:#fff;border-radius:6px;padding:2px 10px;cursor:pointer}.eb-top{background:var(--eb-black)}.eb-top .eb-wrap{padding-top:14px;padding-bottom:14px}.eb-brand{color:#fff;font-weight:800;text-decoration:none}.eb-hero{padding:40px 0 16px}.eb-eyebrow{color:var(--eb-red);font-weight:800;font-size:13px;margin:0}.eb-hero h1{font-size:clamp(26px,5vw,36px);margin:6px 0 12px;line-height:1.3}.eb-lead{color:#333;margin:0 0 16px}.eb-facts{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-wrap:wrap;gap:8px}.eb-facts li{background:#fff;border:1px solid var(--eb-line);border-radius:10px;padding:8px 12px;font-size:14px}.eb-facts b{margin-right:6px}.eb-open-badge{display:inline-block;background:var(--eb-red);color:#fff;font-weight:800;border-radius:999px;padding:8px 16px;margin:4px 0 8px}.eb-section{background:#fff;border:1px solid var(--eb-line);border-radius:16px;padding:24px 20px;margin:16px 0}.eb-section h2{font-size:20px;margin:0 0 10px}.eb-section h3{font-size:16px;margin:0 0 8px}.eb-section p{margin:0 0 8px}.eb-section a{color:var(--eb-green);font-weight:700}.eb-note{color:var(--eb-muted);font-size:14px}.eb-list{margin:0;padding-left:20px}.eb-list li{margin:4px 0}.eb-small{font-size:13px;color:#444}.eb-fieldset{border:0;padding:0;margin:0;display:grid;gap:14px}.eb-fieldset:disabled{opacity:.55}.eb-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.eb-grid label,.eb-block{display:grid;gap:4px;font-size:14px;font-weight:700}.eb-span{grid-column:1 / -1}.eb-page input:not([type]),.eb-page input[type=text],.eb-page select,.eb-page textarea{font:inherit;font-weight:400;border:1px solid var(--eb-line);border-radius:8px;padding:10px 12px;background:#fff;width:100%}.eb-check{display:flex;gap:8px;align-items:flex-start;font-weight:700;font-size:14px}.eb-check input{margin-top:5px}.eb-consents{display:grid;gap:12px}.eb-consent{border:1px solid var(--eb-line);border-radius:10px;padding:12px 14px}.eb-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.eb-error{color:var(--eb-red);font-size:14px;margin:0;padding-left:18px}.eb-submit{font:inherit;font-weight:800;background:var(--eb-black);color:#fff;border:0;border-radius:10px;padding:14px;cursor:pointer}.eb-submit:disabled,.eb-fieldset:disabled .eb-submit{cursor:not-allowed}.eb-result{background:#eaf4f2;border:1px solid var(--eb-green);border-radius:16px;padding:20px;margin:16px 0}.eb-result.is-wait{background:#fff6e8;border-color:#b26b00}.eb-result h2{margin:0 0 8px;font-size:20px}.eb-result p{margin:0 0 6px}.eb-strong{font-weight:800;color:var(--eb-red)}.eb-placeholder{color:var(--eb-muted);font-weight:700}.eb-footer{padding:32px 0 48px;color:var(--eb-muted);font-size:13px}.eb-footer p{margin:2px 0}.eb-test-banner a{color:#5c4600;font-weight:700}.eb-qna{display:grid;gap:8px}.eb-qna-item{border:1px solid var(--eb-line);border-radius:10px;padding:10px 14px}.eb-qna-item summary{font-weight:800;cursor:pointer}.eb-qna-item p{margin:8px 0 0}.eb-steps{margin:0;padding-left:20px}.eb-steps li{margin:6px 0}.eb-books{display:grid;gap:10px}.eb-book{display:grid;grid-template-columns:auto 1fr auto;gap:10px 12px;align-items:start;border:1px solid var(--eb-line);border-radius:12px;padding:12px 14px;cursor:pointer;background:#fff}.eb-book.is-on{border-color:var(--eb-green);background:#eef6f4}.eb-book.is-off{cursor:not-allowed;opacity:.6}.eb-book input{margin-top:5px}.eb-book-title{font-weight:800}.eb-book-sub{display:block;font-size:13px;color:var(--eb-muted);font-weight:400}.eb-book-price{font-weight:800;white-space:nowrap}.eb-total{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:center;background:var(--eb-black);color:#fff;border-radius:12px;padding:12px 16px;margin-top:12px;font-weight:800}.eb-total small{font-weight:400;opacity:.8}.eb-pay{display:grid;gap:6px;background:#fff;border-radius:12px;padding:14px 16px;margin:10px 0;border:1px dashed var(--eb-green)}.eb-pay-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.eb-pay-row b{min-width:72px}.eb-big{font-size:22px;font-weight:900;color:var(--eb-red);letter-spacing:.5px}.eb-copy{font:inherit;font-size:12px;border:1px solid var(--eb-line);background:#fff;border-radius:6px;padding:2px 10px;cursor:pointer}.eb-mail{background:#fff;border:1px solid var(--eb-line);border-radius:12px;padding:14px 16px;margin-top:12px;font-size:14px}.eb-mail pre{white-space:pre-wrap;font:inherit;margin:8px 0 0}.eb-demo{font:inherit;font-weight:700;background:#fff4cc;border:1px solid #b89a2e;border-radius:8px;padding:8px 12px;cursor:pointer;margin-top:8px}.eb-page input[type=email],.eb-page input[type=tel]{font:inherit;font-weight:400;border:1px solid var(--eb-line);border-radius:8px;padding:10px 12px;background:#fff;width:100%}.eb-back{text-align:center;margin:24px 0}.eb-book-more{display:inline-block;margin-top:6px;font-size:13px;font-weight:700;color:var(--eb-green);border:1px solid var(--eb-green);border-radius:999px;padding:3px 12px;text-decoration:none;background:#fff}.eb-book-more:hover{background:#eef6f4}.eb-top-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.eb-top-link{color:#fff;font-size:14px;text-decoration:none;opacity:.85}.eb-crumb{margin:16px 0 0;font-size:14px}.eb-crumb a,.eb-buy-end a{color:var(--eb-green);font-weight:700;text-decoration:none}.eb-detail-hero h1{font-size:clamp(22px,4.6vw,32px)}.eb-buy{display:inline-block;background:var(--eb-red);color:#fff!important;font-weight:800;font-size:17px;text-decoration:none;border-radius:12px;padding:12px 28px}.eb-buy:hover{filter:brightness(.95)}.eb-samples{list-style:none;padding:0;margin:12px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.eb-sample{display:block;width:100%;padding:0;border:1px solid var(--eb-line);border-radius:8px;overflow:hidden;background:#fff;cursor:zoom-in;box-shadow:0 2px 8px #0000000f}.eb-sample img{display:block;width:100%;height:auto}.eb-sample:focus-visible{outline:3px solid var(--eb-green);outline-offset:2px}.eb-sample-cap{display:block;font-size:13px;color:var(--eb-muted);margin-top:6px;text-align:center}.eb-sample-empty{background:var(--eb-off);border:1px dashed var(--eb-line);border-radius:12px;padding:24px;text-align:center;color:var(--eb-muted);font-weight:700}.eb-toc{list-style:none;padding:0;margin:0 0 8px}.eb-toc li{display:grid;grid-template-columns:76px 1fr auto;gap:8px;padding:9px 0;border-bottom:1px solid var(--eb-line);align-items:baseline}.eb-toc li:last-child{border-bottom:0}.eb-toc-label{color:var(--eb-red);font-weight:800;font-size:13px}.eb-toc-title{font-weight:600}.eb-toc-page{color:var(--eb-muted);font-size:13px;white-space:nowrap}.eb-buy-end{text-align:center}.eb-buy-end p{margin-top:10px}.eb-other{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:6px 16px;font-size:14px}.eb-other a{text-decoration:none}.eb-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#111111e0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:12px}.eb-lightbox img{max-width:min(100%,860px);max-height:calc(100vh - 130px);width:auto;height:auto;background:#fff;border-radius:4px}.eb-lightbox-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;width:min(100%,860px);color:#fff;font-size:14px}.eb-lightbox-bar button,.eb-lightbox-nav button{font:inherit;font-size:14px;font-weight:700;background:#fff;color:var(--eb-black);border:0;border-radius:8px;padding:8px 14px;cursor:pointer}.eb-lightbox-nav{display:flex;gap:10px}@media(max-width:640px){.eb-samples{grid-template-columns:repeat(2,1fr);gap:10px}.eb-toc li{grid-template-columns:64px 1fr auto;font-size:15px}.eb-other{grid-template-columns:1fr}.eb-buy{display:block;text-align:center}}.eb-top-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.eb-top-nav{display:flex;align-items:center;gap:14px}.eb-top-books{color:#ffb4a8;font-weight:800;text-decoration:none;font-size:14px}.eb-top-cart{color:#fff;text-decoration:none;font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px}.eb-cart-count{background:var(--eb-red);color:#fff;border-radius:999px;min-width:22px;height:22px;display:inline-grid;place-items:center;font-size:12px;padding:0 6px}.eb-store-hero{padding:44px 0 8px}.eb-store-hero .eb-eyebrow{letter-spacing:.08em}.eb-shelf{list-style:none;padding:0;margin:16px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media(max-width:760px){.eb-shelf{grid-template-columns:repeat(2,1fr);gap:12px}}.eb-card{background:#fff;border:1px solid var(--eb-line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.eb-card-cover{display:block;aspect-ratio:3 / 4;background:#eceae6;overflow:hidden;border:2px solid #999;box-sizing:border-box}.eb-card-cover img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}.eb-card-body{padding:12px 12px 14px;display:flex;flex-direction:column;gap:6px;flex:1}.eb-card-title{font-weight:800;font-size:15px;line-height:1.4;color:var(--eb-black);text-decoration:none}.eb-card-meta{color:var(--eb-muted);font-size:13px}.eb-card-price{font-weight:800}.eb-card-foot{margin-top:auto;display:flex;flex-direction:column;gap:6px}.eb-add{font:inherit;font-weight:800;font-size:14px;border:0;background:var(--eb-black);color:#fff;border-radius:10px;padding:10px 12px;cursor:pointer;text-align:center;text-decoration:none;display:block;width:100%}.eb-add:disabled{opacity:.5}.eb-add.is-in{background:var(--eb-green);color:#fff!important;font-size:13px}.eb-add.is-off{background:#ddd;color:#666}.eb-add-row,.eb-add-wrap{display:flex;flex-direction:column;gap:4px}.eb-add-undo{font:inherit;font-size:12px;background:none;border:0;color:var(--eb-muted);text-decoration:underline;cursor:pointer}.eb-login-ask{font-size:13px;color:var(--eb-red)}.eb-checkout-list{list-style:none;padding:0;margin:0 0 8px}.eb-checkout-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--eb-line);font-size:14px}.eb-series{font-size:17px;margin:20px 0 4px}.eb-cart-line{margin-top:10px}.eb-detail-add{max-width:320px;margin-top:8px}.eb-add-all{width:auto;margin-top:8px}