#degree-lesson-viewer{--dlv-col:720px;--dlv-side:300px;--dlv-gap:72px;--dlv-top:calc(var(--header-height, 4rem) + 24px);display:grid;grid-template-columns:var(--dlv-side)minmax(0,var(--dlv-col));grid-template-rows:auto 1fr;grid-template-areas:"head main" "side main";column-gap:var(--dlv-gap);align-items:start;padding:40px 0 48px;font-family:var(--fs-font-body);color:var(--fs-body)}body.section-degrees #degree-lesson-viewer{padding-top:8px}#degree-lesson-viewer .dlv-layout{display:contents}#degree-lesson-viewer .dlv-main{grid-area:main;min-width:0;max-width:none;min-height:100vh;padding:0}#degree-lesson-viewer [hidden]{display:none!important}#degree-lesson-viewer .dlv-header{grid-area:head;position:static;z-index:auto;margin:0 0 20px;padding:0;background:0 0;border:0}#degree-lesson-viewer .dlv-header-content{display:flex;flex-direction:column;align-items:stretch;gap:14px;max-width:none;margin:0;padding:0}#degree-lesson-viewer .dlv-back{display:grid;grid-template-columns:18px minmax(0,1fr);grid-template-areas:"cover cover" "chev text";column-gap:6px;align-items:start;min-width:0;min-height:44px;color:var(--fs-body);font-size:.9375rem;font-weight:700;line-height:1.4;text-decoration:none}#degree-lesson-viewer .dlv-back:hover{color:var(--fs-ink)}#degree-lesson-viewer .dlv-back:focus-visible,#degree-lesson-viewer .dlv-bookmark-btn:focus-visible,#degree-lesson-viewer .dlv-mobile-toggle:focus-visible,#degree-lesson-viewer .dlv-drawer-close:focus-visible,#degree-lesson-viewer .dlv-sidebar-lesson:focus-visible{outline:2px solid var(--fs-focus);outline-offset:2px}#degree-lesson-viewer .dlv-back>svg{grid-area:chev;margin-top:1px;color:var(--fs-muted)}#degree-lesson-viewer .dlv-back-text{grid-area:text;max-width:none;overflow:visible;white-space:normal;text-overflow:clip;overflow-wrap:break-word;font-size:inherit}#degree-lesson-viewer .dlv-back:hover .dlv-back-text{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}#degree-lesson-viewer .dlv-cover{grid-area:cover;display:block;width:100%;height:auto;aspect-ratio:3/2;margin:0 0 14px;object-fit:cover;border-radius:20px;background:var(--fs-surface)}#degree-lesson-viewer .dlv-header-actions{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:0}#degree-lesson-viewer .dlv-progress-mini{order:0;flex:auto;display:flex;align-items:center;gap:10px;min-width:0}#degree-lesson-viewer .dlv-progress-bar-mini{order:0;flex:auto;width:auto;height:6px;border-radius:9999px;background:var(--fs-track);overflow:hidden}#degree-lesson-viewer .dlv-progress-fill-mini{width:0;height:100%;border-radius:9999px;background:var(--fs-mark-bg);transition:width .3s ease}#degree-lesson-viewer .dlv-progress-count{order:1;font-size:.875rem;font-weight:700;line-height:1;color:var(--fs-body);font-variant-numeric:tabular-nums;white-space:nowrap}#degree-lesson-viewer .dlv-quiz-score-mini{order:1;display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:var(--fs-radius-tag,9px);background:var(--fs-tag-bg);color:var(--fs-tag-ink);font-size:.8125rem;font-weight:700;line-height:1.25}#degree-lesson-viewer .dlv-quiz-score-icon{font-size:16px!important}#degree-lesson-viewer .dlv-bookmark-btn{order:2;flex-shrink:0;display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:0;border-radius:9999px;background:var(--fs-surface);color:var(--fs-ink);cursor:pointer;transition:background-color .15s ease,color .15s ease}#degree-lesson-viewer .dlv-bookmark-btn:hover{background:var(--fs-control);color:var(--fs-ink)}#degree-lesson-viewer .dlv-bookmark-btn svg{width:20px;height:20px}#degree-lesson-viewer .dlv-bookmark-btn.saved,#degree-lesson-viewer .dlv-bookmark-btn.saved:hover{color:var(--fs-accent-ink)}#degree-lesson-viewer .dlv-bookmark-btn.saved .dlv-bookmark-icon{fill:currentColor}#degree-lesson-viewer .dlv-sidebar{grid-area:side;position:sticky;top:var(--dlv-top);height:auto;max-height:calc(100vh - var(--dlv-top) - 24px);max-height:calc(100dvh - var(--dlv-top) - 24px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--fs-line)transparent;padding:16px 10px 10px;border:0;border-radius:var(--fs-radius-card,24px);background:var(--fs-surface)}#degree-lesson-viewer .dlv-sidebar-header{padding:0 10px 10px;border:0}#degree-lesson-viewer .dlv-sidebar-header h3{margin:0;font-family:var(--fs-font-body);font-size:.875rem;font-weight:700;line-height:1.4;letter-spacing:.02em;text-transform:none;color:var(--fs-muted)}#degree-lesson-viewer .dlv-sidebar-module{padding:0;border:0}#degree-lesson-viewer .dlv-sidebar-module+.dlv-sidebar-module{margin-top:10px}#degree-lesson-viewer .dlv-sidebar-module-title{padding:10px 12px 6px;font-size:.8125rem;font-weight:700;line-height:1.35;letter-spacing:0;text-transform:none;color:var(--fs-muted)}#degree-lesson-viewer .dlv-sidebar-module:only-child>.dlv-sidebar-module-title{display:none}#degree-lesson-viewer .dlv-sidebar-lesson{display:flex;align-items:center;gap:12px;min-height:52px;padding:8px 12px;border:0;border-radius:16px;color:var(--fs-body);font-size:.9375rem;font-weight:600;line-height:1.34;text-decoration:none;transition:background-color .15s ease,color .15s ease}#degree-lesson-viewer .dlv-sidebar-lesson+.dlv-sidebar-lesson{margin-top:2px}#degree-lesson-viewer .dlv-sidebar-lesson:hover{background:var(--fs-control);color:var(--fs-ink)}#degree-lesson-viewer .dlv-sidebar-lesson--active,#degree-lesson-viewer .dlv-sidebar-lesson--active:hover{border:0;background:var(--fs-tint);color:var(--fs-ink);font-weight:700}#degree-lesson-viewer .dlv-sidebar-lesson-num{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:30px;height:30px;margin:0;border-radius:9999px;background:var(--fs-control);color:var(--fs-ink);font-size:.8125rem;font-weight:800;font-variant-numeric:tabular-nums}#degree-lesson-viewer .dlv-sidebar-lesson--complete .dlv-sidebar-lesson-num{background:var(--fs-control);color:var(--fs-ink)}#degree-lesson-viewer .dlv-sidebar-lesson--active .dlv-sidebar-lesson-num{background:var(--fs-chosen-bg);color:var(--fs-chosen-ink)}#degree-lesson-viewer .dlv-sidebar-lesson-title{display:block;flex:auto;min-width:0;overflow:visible;-webkit-line-clamp:unset;overflow-wrap:break-word}#degree-lesson-viewer .dlv-sidebar-lesson-status{display:flex;flex-shrink:0;color:var(--fs-muted)}#degree-lesson-viewer .dlv-sidebar-lesson-status svg{width:16px;height:16px}#degree-lesson-viewer .dlv-sidebar-lesson--complete .dlv-sidebar-lesson-status{color:var(--fs-success)}#degree-lesson-viewer .dlv-sidebar-lesson-status:has(>svg>circle:only-child){display:none}#degree-lesson-viewer .dlv-sidebar:not(:has(.dlv-sidebar-lesson)){display:none}#degree-lesson-viewer:has(#dlv-error:not([hidden])):not(:has(#dlv-sidebar-nav .dlv-sidebar-lesson)) :is(.dlv-header-actions,.dlv-mobile-toggle){display:none}@media(forced-colors:active){#degree-lesson-viewer .dlv-sidebar-lesson--active{outline:2px solid Highlight;outline-offset:-2px}}#degree-lesson-viewer .dlv-mobile-toggle,#degree-lesson-viewer .dlv-drawer{display:none}#degree-lesson-viewer .dlv-overlay{position:fixed;inset:0;z-index:var(--z-modal-backdrop,400);background:var(--fs-overlay);backdrop-filter:none;-webkit-backdrop-filter:none;touch-action:none}#degree-lesson-viewer .dlv-skeleton{display:flex;flex-direction:column;gap:14px;animation:dlv-rd-pulse 1.6s ease-in-out infinite}#degree-lesson-viewer .dlv-skeleton-meta{display:flex;gap:10px;margin:0}#degree-lesson-viewer .dlv-skeleton-badge,#degree-lesson-viewer .dlv-skeleton-duration,#degree-lesson-viewer .dlv-skeleton-title,#degree-lesson-viewer .dlv-skeleton-desc,#degree-lesson-viewer .dlv-skeleton-line{margin:0;border-radius:10px;background:var(--fs-surface)}#degree-lesson-viewer .dlv-skeleton-badge{width:120px;height:20px}#degree-lesson-viewer .dlv-skeleton-duration{width:64px;height:20px}#degree-lesson-viewer .dlv-skeleton-title{width:88%;height:50px;border-radius:14px}#degree-lesson-viewer .dlv-skeleton-desc{width:64%;height:24px;margin-bottom:30px}#degree-lesson-viewer .dlv-skeleton-line{height:18px}@keyframes dlv-rd-pulse{0%,100%{opacity:1}50%{opacity:.55}}#degree-lesson-viewer .dlv-title-section{display:flex;flex-direction:column;gap:16px;margin:0 0 44px;padding:0;border:0}#degree-lesson-viewer .dlv-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 8px;margin:0;font-size:.9375rem;font-weight:700;line-height:1.4;color:var(--fs-accent-ink)}#degree-lesson-viewer .dlv-lesson-badge{display:inline;padding:0;border-radius:0;background:0 0;color:inherit;font-size:inherit;font-weight:inherit;letter-spacing:0;text-transform:none}#degree-lesson-viewer .dlv-duration{display:inline-flex;align-items:baseline;gap:8px;color:inherit;font-size:inherit}#degree-lesson-viewer .dlv-duration::before{content:"\00B7";content:"\00B7"/""}#degree-lesson-viewer .dlv-duration svg{display:none}#degree-lesson-viewer .dlv-title{margin:0;font-family:var(--fs-font-display);font-size:3rem;font-weight:800;line-height:1.04;letter-spacing:-.035em;color:var(--fs-ink);text-wrap:balance;overflow-wrap:break-word;hyphens:auto}#degree-lesson-viewer .dlv-description{margin:0;max-width:none;font-size:1.3125rem;line-height:1.55;color:var(--fs-body);text-wrap:pretty}#degree-lesson-viewer :is(.dlv-title,.dlv-nav-title,.dlv-content>h2,.dlv-content>h3):lang(ja){word-break:auto-phrase}@media(max-width:1199px){#degree-lesson-viewer{--dlv-side:264px;--dlv-gap:48px}}@media(max-width:1023px){#degree-lesson-viewer{display:block;max-width:var(--dlv-col);margin-left:auto;margin-right:auto;padding:16px 0 24px}body.section-degrees #degree-lesson-viewer{padding-top:0}#degree-lesson-viewer .dlv-layout{display:block}#degree-lesson-viewer .dlv-sidebar{display:none}#degree-lesson-viewer .dlv-main{min-height:100vh}#degree-lesson-viewer .dlv-header{margin:0 0 16px}#degree-lesson-viewer .dlv-header-content{flex-direction:row;flex-wrap:wrap;align-items:center;gap:8px 12px}#degree-lesson-viewer .dlv-header-actions{margin-left:auto}#degree-lesson-viewer .dlv-back{flex:1 1 250px;grid-template-columns:auto 18px minmax(0,1fr);grid-template-areas:"cover chev text";align-items:center;min-height:48px}#degree-lesson-viewer .dlv-back>svg{margin-top:0}#degree-lesson-viewer .dlv-cover{width:72px;height:48px;margin:0 14px 0 0;border-radius:12px}#degree-lesson-viewer .dlv-progress-mini{display:none}#degree-lesson-viewer .dlv-mobile-toggle{position:static;left:auto;bottom:auto;z-index:auto;transform:none;display:flex;align-items:center;gap:12px;width:100%;min-height:64px;margin:0 0 28px;padding:10px 20px;border:0;border-radius:22px;box-shadow:none;background:var(--fs-surface);color:var(--fs-ink);font-family:var(--fs-font-body);font-size:1rem;font-weight:700;line-height:1.3;text-align:left;cursor:pointer}#degree-lesson-viewer .dlv-mobile-toggle>svg{display:none}#degree-lesson-viewer .dlv-mobile-toggle>span:not(.dlv-mobile-progress){flex:auto;min-width:0}#degree-lesson-viewer .dlv-mobile-progress{margin:0;font-size:.875rem;font-weight:600;color:var(--fs-muted);font-variant-numeric:tabular-nums}#degree-lesson-viewer .dlv-mobile-toggle::after{content:"";flex-shrink:0;width:8px;height:8px;margin:-4px 4px 0 2px;border-right:2px solid var(--fs-muted);border-bottom:2px solid var(--fs-muted);transform:rotate(45deg)}#degree-lesson-viewer .dlv-drawer{display:flex;flex-direction:column;position:fixed;z-index:var(--z-modal,500);top:auto;right:0;bottom:0;left:0;width:auto;max-width:640px;height:auto;max-height:85vh;max-height:85dvh;margin:0 auto;padding:10px 0 env(safe-area-inset-bottom,0px);overflow:hidden;border-radius:var(--fs-radius-panel,28px)var(--fs-radius-panel,28px)0 0;background:var(--fs-surface);box-shadow:var(--fs-shadow-float);transform:translateY(105%);visibility:hidden;transition:transform .3s cubic-bezier(.32,.72,0,1),visibility 0s linear .3s}#degree-lesson-viewer .dlv-drawer.dlv-drawer--open{transform:none;visibility:visible;transition:transform .3s cubic-bezier(.32,.72,0,1),visibility 0s}main:has(#dlv-drawer.dlv-drawer--open){isolation:auto}#degree-lesson-viewer .dlv-drawer::before{content:"";flex-shrink:0;align-self:center;width:40px;height:5px;margin:0 0 4px;border-radius:3px;background:var(--fs-line)}#degree-lesson-viewer .dlv-drawer-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:2px 16px 12px 24px;border:0}#degree-lesson-viewer .dlv-drawer-header h3{margin:0;font-family:var(--fs-font-display);font-size:1.25rem;font-weight:700;line-height:1.2;letter-spacing:-.015em;color:var(--fs-ink)}#degree-lesson-viewer .dlv-drawer-close{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:44px;height:44px;padding:0;border:0;border-radius:9999px;background:var(--fs-page);color:var(--fs-ink);cursor:pointer;transition:background-color .15s ease}#degree-lesson-viewer .dlv-drawer-close:hover{background:var(--fs-control)}#degree-lesson-viewer .dlv-drawer-close svg{width:20px;height:20px}#degree-lesson-viewer .dlv-drawer-progress-bar{flex-shrink:0;height:6px;margin:0 24px 8px;border-radius:9999px;background:var(--fs-track);overflow:hidden}#degree-lesson-viewer .dlv-drawer-progress-fill{width:0;height:100%;border-radius:9999px;background:var(--fs-mark-bg)}#degree-lesson-viewer .dlv-drawer-nav{flex:auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:4px 10px 16px}#degree-lesson-viewer .dlv-title{font-size:2.5rem}}@media(max-width:767px){#degree-lesson-viewer .dlv-title-section{margin-bottom:36px}#degree-lesson-viewer .dlv-title{font-size:2.125rem;line-height:1.06}#degree-lesson-viewer .dlv-description{font-size:1.125rem}}html.in-app #degree-lesson-viewer{--dlv-top:24px}@media(hover:none){#degree-lesson-viewer .dlv-back:hover{color:var(--fs-body)}#degree-lesson-viewer .dlv-back:hover .dlv-back-text{text-decoration:none}#degree-lesson-viewer .dlv-bookmark-btn:hover{background:var(--fs-surface);color:var(--fs-ink)}#degree-lesson-viewer .dlv-bookmark-btn.saved:hover{color:var(--fs-accent-ink)}#degree-lesson-viewer .dlv-sidebar-lesson:hover{background:0 0;color:var(--fs-body)}#degree-lesson-viewer .dlv-sidebar-lesson--active:hover{background:var(--fs-tint);color:var(--fs-ink)}#degree-lesson-viewer .dlv-drawer-close:hover{background:var(--fs-page)}#degree-lesson-viewer .dlv-bookmark-btn:active,#degree-lesson-viewer .dlv-sidebar-lesson:active,#degree-lesson-viewer .dlv-drawer-close:active{background:var(--fs-control)}#degree-lesson-viewer .dlv-back:active{color:var(--fs-ink)}}@media(prefers-reduced-motion:reduce){#degree-lesson-viewer .dlv-skeleton{animation:none}#degree-lesson-viewer .dlv-drawer,#degree-lesson-viewer .dlv-drawer.dlv-drawer--open,#degree-lesson-viewer .dlv-progress-fill-mini{transition:none}}