.preview-menu.lecture-menu{padding:8px 0;display:flex;flex-direction:column;min-height:0}.pdp .lecture-menu h2{display:block;font-size:20px;line-height:1.4;font-weight:500;margin:0 0 8px;letter-spacing:0}.lesson-total-pages{font-size:12px;color:#8794a7;margin:0 0 25px}.lesson-list{overflow-y:auto;max-height:290px;scrollbar-width:thin;scrollbar-color:#3d4148 transparent;padding-right:8px}.lesson-row{display:grid;grid-template-columns:18px 35px minmax(0,1fr) 38px;gap:10px;align-items:center;min-height:66px;width:100%;padding:12px 0;background:transparent;border:0;color:#a5a9b1;text-align:left;cursor:pointer;font-size:14px!important}.lesson-row:hover,.lesson-row[aria-pressed=true]{color:#fff}.lesson-marker{color:#677183;font-size:12px}.lesson-number{white-space:nowrap}.lesson-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.lesson-page-count{text-align:right;white-space:nowrap;font-size:13px;color:#cbd1da}.lesson-row[aria-pressed=true] .lesson-marker{color:#fff}.lesson-access-note{border-top:1px solid #ffffff18;padding-top:18px;margin-top:auto;color:#7d8b9f;font-size:11px;line-height:1.7}.account-button{border:1px solid #ffffff40;background:none;color:#fff;border-radius:5px;padding:7px 13px;font-size:12px!important;cursor:pointer}.head-inner{gap:24px}.reader-area{position:absolute;inset:0;z-index:8;background:#fff;color:#263449;display:flex;flex-direction:column;overflow:hidden}.reader-area[hidden]{display:none}.reader-toolbar{display:flex;gap:12px;align-items:center;padding:15px 20px;border-bottom:1px solid #e1e8f0;flex-shrink:0}.reader-toolbar button{background:none;border:0;color:#607796;font-size:12px;cursor:pointer}.reader-toolbar strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-paper{overflow-y:auto;padding:28px 36px;flex:1;min-height:0}.pdp .reader-paper h2{font-size:26px;line-height:1.4;color:#1b3658;margin:0 0 22px;letter-spacing:-.035em;font-weight:700}.reader-paper p{font-size:16px;line-height:1.85;white-space:pre-wrap;margin:0;color:#3e536f;letter-spacing:-.02em}.reader-pagination{display:flex;justify-content:space-between;align-items:center;padding:13px 20px;background:#f5f8fc;border-top:1px solid #e4eaf2;flex-shrink:0;gap:10px}.reader-pagination button{background:#fff;border:1px solid #dce5f2;color:#335781;padding:6px 13px;border-radius:5px;font-size:12px!important;cursor:pointer}.reader-pagination button:disabled{opacity:.35}.reader-pagination span{font-size:12px;color:#76869d}.access-dialog{border:0;border-radius:16px;padding:32px;max-width:400px;width:calc(100% - 36px);box-shadow:0 24px 90px #0004;background:#fff;color:#1b2b44}.access-dialog::backdrop{background:#050f20a8}.pdp .access-dialog h2{font-size:22px;line-height:1.45;margin:20px 0 15px;letter-spacing:-.04em;font-weight:700}.access-dialog p{font-size:14px;line-height:1.8;color:#788599}.access-close{float:right;background:transparent;border:0;color:#6d7a8e;font-size:24px!important;cursor:pointer}.access-action{width:100%;padding:14px;border:0;background:#2864ef;color:#fff;border-radius:7px;font-size:14px!important;font-weight:700!important;cursor:pointer;margin-top:16px}.access-action:disabled{background:#e9edf4;color:#8792a5}.head-inner nav{margin-left:auto}
@media(max-width:900px){.lecture-menu .lesson-total-pages{margin-bottom:12px}.lesson-list{max-height:230px}.lesson-row{min-height:57px}.lecture-menu .lesson-access-note{margin-bottom:0;padding-top:15px;margin-top:12px}.pdp .lecture-menu h2{font-size:17px}.preview-stage:has(.reader-area:not([hidden])){aspect-ratio:auto;height:550px}.head-inner{gap:12px}.reader-paper{padding:24px}.reader-paper p{font-size:15px}.pdp .reader-paper h2{font-size:22px}}
@media(max-width:480px){.head-inner nav{display:none}.head-inner .account-button{margin-left:auto;font-size:10px!important;padding:7px 10px}.lesson-row{gap:8px;grid-template-columns:15px 32px minmax(0,1fr) 32px;font-size:13px!important}.lesson-page-count{font-size:12px}.access-dialog{padding:26px}.reader-toolbar{padding:12px}.reader-paper{padding:22px 18px}.reader-pagination{padding:12px}.reader-pagination button{padding:6px 10px}}
.login-options{display:grid;gap:8px;margin-top:14px}.login-option{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:13px;border-radius:7px;font-size:13px;font-weight:650;cursor:pointer}.login-option svg{width:18px;height:18px;flex:none}.login-kakao{border:0;background:#fee500;color:#191919}.login-google{border:1px solid #dadce0;background:#fff;color:#1f1f1f}.login-google:hover{background:#f8faff}

.account-brand{display:block;width:164px;height:auto;max-width:calc(100% - 48px);margin:3px 0 18px;object-fit:contain}