:root{--v4-nav-h:64px}.v4-nav{z-index:90;isolation:isolate;height:var(--v4-nav-h);color:var(--v4-ink);background:0 0;border-bottom:1px solid #0000;position:fixed;inset-block-start:0;inset-inline:0}.v4-nav:before{content:"";z-index:-1;box-sizing:border-box;border-bottom:1px solid var(--v4-hairline);background:color-mix(in oklab, var(--v4-surface) 88%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .2s var(--v4-ease-out), visibility 0s linear .2s;position:absolute;inset:0 0 -1px}.v4-nav[data-scrolled=true]:before{opacity:1;visibility:visible;transition-delay:0s,0s}@media (prefers-reduced-motion:reduce){.v4-nav:before{transition:opacity .15s linear,visibility 0s linear .15s}.v4-nav[data-scrolled=true]:before{transition-delay:0s,0s}}.v4-nav__inner{align-items:center;gap:16px;height:100%;display:flex}.v4-nav__logo{color:var(--v4-ink);align-items:center;gap:10px;height:44px;margin-inline-start:-2px;padding-inline:2px;text-decoration:none;display:inline-flex}.v4-nav__links{align-items:center;gap:clamp(20px,2vw,32px);margin-inline:auto;display:none}.v4-nav__link{height:44px;font:600 15px/1.2 var(--v4-font-text);color:var(--v4-ink-soft);transition:color .15s var(--v4-ease-out);align-items:center;padding-inline:2px;text-decoration:none;display:inline-flex;position:relative}.v4-nav__link:hover,.v4-nav__link[aria-current=true]{color:var(--v4-ink)}.v4-nav__link[aria-current=true]:after{content:"";background:var(--v4-blue);border-radius:1px;height:2px;position:absolute;bottom:8px;left:2px;right:2px}.v4-nav__actions{align-items:center;gap:12px;margin-inline-start:auto;display:flex}.v4-nav__diagnosis{height:44px;font:600 15px/1.2 var(--v4-font-text);color:var(--v4-ink);align-items:center;padding-inline:4px;text-decoration:none;display:none;position:relative}.v4-nav__diagnosis:hover{color:var(--v4-blue)}.v4-nav__diagnosis[aria-current=true]:after{content:"";background:var(--v4-blue);border-radius:1px;height:2px;position:absolute;bottom:8px;left:4px;right:4px}.v4-btn.v4-nav__book{padding:8px 16px;font-size:15px}.v4-nav__toggle{width:44px;height:44px;color:var(--v4-ink);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:background-color .15s var(--v4-ease-out);background:0 0;border:0;border-radius:8px;flex:none;place-items:center;padding:0;display:inline-grid}@media (hover:hover) and (pointer:fine){.v4-nav__toggle:hover{background:color-mix(in oklab, var(--v4-ink) 6%, transparent)}}.v4-nav__toggle svg{width:20px;height:20px}@media (min-width:960px){.v4-nav__links{display:flex}.v4-nav__diagnosis{display:inline-flex}.v4-nav__toggle{display:none}.v4-btn.v4-nav__book{padding:10px 20px;font-size:clamp(16px,.3vw + 15px,17px)}}.v4-nav__menu{inset:var(--v4-nav-h) 0 0 0;z-index:85;background:var(--v4-surface);color:var(--v4-ink);opacity:0;pointer-events:none;transition:opacity .2s var(--v4-ease-out), transform .2s var(--v4-ease-out);position:fixed;overflow-y:auto;transform:translateY(-8px)}.v4-nav__menu:focus-visible{outline:none}.v4-nav__menu[data-state=open]{opacity:1;pointer-events:auto;transform:none}@media (prefers-reduced-motion:reduce){.v4-nav__menu{transition:opacity .15s linear;transform:none}}@media (min-width:960px){.v4-nav__menu{display:none}}.v4-nav__menu-links{flex-direction:column;gap:4px;padding:8px 24px 32px;display:flex}.v4-nav__menu-link{min-height:56px;font:400 22px/1.2 var(--v4-font-display);letter-spacing:-.01em;color:var(--v4-ink);border-bottom:1px solid var(--v4-hairline);align-items:center;padding-inline:4px;text-decoration:none;display:flex}.v4-btn.v4-nav__menu-cta{width:100%;margin-top:20px}.v4-mobilebar{z-index:80;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));background:color-mix(in oklab, var(--v4-surface) 96%, transparent);border-top:1px solid var(--v4-hairline);pointer-events:none;transition:transform .2s var(--v4-ease-out);display:none;position:fixed;inset-block-end:0;inset-inline:0;transform:translateY(100%);box-shadow:0 -8px 24px -16px #06124a40}.v4-mobilebar[data-visible=true]{pointer-events:auto;transform:none}@media (max-width:639.98px){.v4-mobilebar{display:block}}@media (prefers-reduced-motion:reduce){.v4-mobilebar{opacity:0;transition:opacity .15s linear;transform:none}.v4-mobilebar[data-visible=true]{opacity:1}}.v4-btn.v4-mobilebar__cta{width:100%;display:flex}@media (forced-colors:active){.v4-nav{border-bottom:1px solid canvastext}.v4-nav__menu-link{border-bottom-color:canvastext}.v4-mobilebar{border-top:1px solid canvastext}}.v4-nav__book{white-space:nowrap}@media (max-width:359.98px){.v4-nav__inner{gap:10px}.v4-nav__actions{gap:8px}.v4-nav__logo .brand-name{font-size:14px}}