.local-nav[data-astro-cid-do4pxak3]{z-index:40;border-bottom:1px solid var(--color-rule);position:sticky;top:0}.local-nav__bar[data-astro-cid-do4pxak3]{align-items:center;gap:1rem;height:3.25rem;display:flex}.local-nav__name[data-astro-cid-do4pxak3]{white-space:nowrap;flex:none}.local-nav__scroller[data-astro-cid-do4pxak3]{flex:auto;min-width:0;display:flex}.local-nav__scroller[data-astro-cid-do4pxak3]>nav[data-astro-cid-do4pxak3]{min-width:0;margin-inline-start:auto}.local-nav__links[data-astro-cid-do4pxak3]{overscroll-behavior-x:contain;scrollbar-width:none;gap:1.5rem;height:3.25rem;display:flex;overflow-x:auto}.local-nav__links[data-astro-cid-do4pxak3]::-webkit-scrollbar{display:none}.local-nav__links[data-astro-cid-do4pxak3] li[data-astro-cid-do4pxak3]{flex:none;display:flex}.local-nav__link[data-astro-cid-do4pxak3]{color:var(--color-ink);white-space:nowrap;align-items:center;font-weight:500;text-decoration:none;display:flex;position:relative}.local-nav__pill[data-astro-cid-do4pxak3]{border-radius:var(--radius-pill);background-color:var(--color-action);height:1.75rem;color:var(--color-paper);white-space:nowrap;transition:background-color .16s var(--ease-quint);border:1px solid #0000;flex:none;justify-content:center;align-items:center;padding-inline:.875rem;font-size:.8125rem;font-weight:500;text-decoration:none;display:inline-flex;position:relative}:root:lang(th) .local-nav__pill[data-astro-cid-do4pxak3]{font-size:.875rem}.local-nav__pill[data-astro-cid-do4pxak3]:hover{background-color:var(--color-action-pressed)}.local-nav__pill[data-astro-cid-do4pxak3]:before{content:"";position:absolute;inset:-5px}@media (prefers-reduced-motion:reduce){.local-nav__pill[data-astro-cid-do4pxak3]{transition:none}}@media (width<=734px){.local-nav__name[data-astro-cid-do4pxak3]{display:none}}@media (width<=1068px){.local-nav__links[data-astro-cid-do4pxak3]{--lead:1rem;--trail:1rem;--fade:1.5rem;margin-inline:calc(-1 * var(--lead)) calc(-1 * var(--trail));padding-inline:var(--lead) var(--trail);scroll-padding-inline:var(--lead) var(--fade);scroll-snap-type:x proximity;-webkit-mask-image:linear-gradient(to right, transparent 0, black var(--lead), black calc(100% - var(--trail) - var(--fade)), transparent calc(100% - var(--trail)));-webkit-mask-image:linear-gradient(to right, transparent 0, black var(--lead), black calc(100% - var(--trail) - var(--fade)), transparent calc(100% - var(--trail)));mask-image:linear-gradient(to right, transparent 0, black var(--lead), black calc(100% - var(--trail) - var(--fade)), transparent calc(100% - var(--trail)))}.local-nav__links[data-astro-cid-do4pxak3] li[data-astro-cid-do4pxak3]{scroll-snap-align:start}}@media (width<=734px){.local-nav__links[data-astro-cid-do4pxak3]{--lead:6.25vw;--fade:3rem}}@media (forced-colors:active){.local-nav__links[data-astro-cid-do4pxak3]{-webkit-mask-image:none;mask-image:none}}.local-nav__frost[data-astro-cid-do4pxak3]{z-index:-1;pointer-events:none;background-color:#ffffffe6;position:absolute;inset:0}.local-nav__frost[data-astro-cid-do4pxak3]:before{content:"";background-color:var(--color-paper);position:absolute;inset:0}@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))) and (animation-timeline:scroll()){@media (prefers-reduced-motion:no-preference){.local-nav__frost[data-astro-cid-do4pxak3]{-webkit-backdrop-filter:saturate(180%)blur(20px);backdrop-filter:saturate(180%)blur(20px)}.local-nav__frost[data-astro-cid-do4pxak3]:before{animation:linear both local-nav-cover-out;animation-timeline:scroll(root);animation-range:44px 45px}}}@media (prefers-reduced-transparency:reduce){.local-nav__frost[data-astro-cid-do4pxak3]{-webkit-backdrop-filter:none;backdrop-filter:none}.local-nav__frost[data-astro-cid-do4pxak3]:before{animation:none}}@keyframes local-nav-cover-out{0%{opacity:1}to{opacity:0}}body:has(.local-nav[data-tracker]){timeline-scope:--ch-01, --ch-02, --ch-03, --ch-04}.local-nav__link[data-astro-cid-do4pxak3]:after{content:"";background:var(--color-action);transform-origin:0;height:2px;position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}@supports (animation-timeline:view()){@media (prefers-reduced-motion:no-preference){.local-nav[data-astro-cid-do4pxak3][data-tracker] .local-nav__link[data-astro-cid-do4pxak3][data-chapter="01"]:after{animation-timeline:--ch-01}.local-nav[data-astro-cid-do4pxak3][data-tracker] .local-nav__link[data-astro-cid-do4pxak3][data-chapter="02"]:after{animation-timeline:--ch-02}.local-nav[data-astro-cid-do4pxak3][data-tracker] .local-nav__link[data-astro-cid-do4pxak3][data-chapter="03"]:after{animation-timeline:--ch-03}.local-nav[data-astro-cid-do4pxak3][data-tracker] .local-nav__link[data-astro-cid-do4pxak3][data-chapter="04"]:after{animation-timeline:--ch-04}.local-nav[data-astro-cid-do4pxak3][data-tracker] .local-nav__link[data-astro-cid-do4pxak3][data-chapter]:after{animation-name:local-nav-underline;animation-timing-function:linear;animation-fill-mode:both;animation-range:cover 50vh cover calc(100% - 50vh)}}}@keyframes local-nav-underline{0%,to{transform:scaleX(0)}6%,94%{transform:scaleX(1)}}@media print{.local-nav[data-astro-cid-do4pxak3]{display:none!important}}