@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap");.ranvier-topbar{--tb-bg:rgba(241,247,232,0.85);--tb-bg-solid:#f1f7e8;--tb-ink-0:#112a18;--tb-ink-1:#355042;--tb-ink-2:#6b8576;--tb-leaf-300:#a9d164;--tb-leaf-500:#6da033;--tb-forest-700:#2c5236;--tb-line:rgba(17,42,24,0.12);--tb-line-soft:rgba(17,42,24,0.06);--tb-shadow:0 1px 0 rgba(17,42,24,0.04),0 6px 18px -12px rgba(17,42,24,0.18);--tb-serif:"Instrument Serif","Noto Serif JP",Georgia,serif;--tb-sans:"Geist","Noto Sans JP",system-ui,sans-serif;--tb-mono:"JetBrains Mono",ui-monospace,monospace;position:relative;display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 24px;background:var(--tb-bg);backdrop-filter:blur(12px) saturate(140%);-webkit-backdrop-filter:blur(12px) saturate(140%);border-bottom:1px solid var(--tb-line);box-shadow:var(--tb-shadow);font-family:var(--tb-sans);color:var(--tb-ink-0)}.ranvier-topbar .tb-brand{display:inline-flex;align-items:center;gap:12px;color:var(--tb-ink-0);text-decoration:none}.ranvier-topbar .tb-mark{width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:radial-gradient(120% 120% at 20% 10%,#cfeb95,transparent 60%),var(--tb-leaf-300);color:var(--tb-forest-700);box-shadow:inset 0 0 0 1px rgba(17,42,24,.08),0 6px 14px -8px rgba(109,160,51,.55)}.ranvier-topbar .tb-wordmark{font-family:var(--tb-serif);font-size:22px;letter-spacing:-.01em;color:var(--tb-ink-0);line-height:1}.ranvier-topbar .tb-wordmark em{font-style:italic;color:var(--tb-leaf-500)}.ranvier-topbar .tb-nav{display:flex;align-items:center;gap:12px}.ranvier-topbar .tb-link{font-family:var(--tb-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--tb-ink-1);padding:8px 12px;border-radius:999px;transition:color .16s ease,background .16s ease}.ranvier-topbar .tb-link:hover{color:var(--tb-ink-0);background:rgba(17,42,24,.05)}.ranvier-topbar .tb-pill{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--tb-line);background:rgba(255,255,255,.7);color:var(--tb-ink-0);font-size:12px;line-height:1;transition:border-color .16s ease,background .16s ease,transform .16s ease}.ranvier-topbar .tb-pill:hover{border-color:rgba(17,42,24,.22);background:#ffffff}.ranvier-topbar .tb-pill .tb-leaf-icon{color:var(--tb-leaf-500)}.ranvier-topbar .tb-pill .tb-credit-num{font-family:var(--tb-mono);font-weight:600;letter-spacing:.02em}.ranvier-topbar .tb-pill .tb-credit-mute{color:var(--tb-ink-2);font-family:var(--tb-mono);font-size:11px}.ranvier-topbar .tb-pill-muted{color:var(--tb-ink-2);background:rgba(255,255,255,.5)}.ranvier-topbar .tb-icon-btn{width:34px;height:34px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--tb-line);background:rgba(255,255,255,.7);color:var(--tb-ink-1);transition:color .16s ease,border-color .16s ease,background .16s ease;cursor:pointer}.ranvier-topbar .tb-icon-btn:hover{color:var(--tb-ink-0);border-color:rgba(17,42,24,.22);background:#ffffff}.ranvier-topbar .tb-lang{font-family:var(--tb-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase}@media (max-width:640px){.ranvier-topbar{padding:0 16px;height:56px}.ranvier-topbar .tb-link{display:none}.ranvier-topbar .tb-wordmark{font-size:20px}}