.site-header[data-astro-cid-nen7h5rs]{background:var(--paper);color:var(--ink);border-bottom:1px solid var(--hairline);z-index:20;position:sticky;top:0}.header-inner[data-astro-cid-nen7h5rs]{align-items:center;gap:var(--sp-6);max-width:var(--max-w);padding:0 var(--sp-7);min-height:56px;margin:0 auto;display:flex}.brand[data-astro-cid-nen7h5rs]{align-items:center;gap:var(--sp-2);min-height:44px;color:var(--ink);white-space:nowrap;text-decoration:none;display:inline-flex}.brand[data-astro-cid-nen7h5rs]:hover{text-decoration:none}.brand[data-astro-cid-nen7h5rs]:focus-visible,.nav-link[data-astro-cid-nen7h5rs]:focus-visible,.theme-toggle[data-astro-cid-nen7h5rs]:focus-visible{outline:2px solid var(--color-focus);outline-offset:3px}.brand-mark[data-astro-cid-nen7h5rs]{background:var(--coral);width:20px;height:20px;color:var(--color-on-status);font-family:var(--font-serif-ja);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.6875rem;font-weight:700;line-height:1;display:inline-flex}.logo[data-astro-cid-nen7h5rs]{font-family:var(--font-serif-ja);color:var(--ink);letter-spacing:.02em;font-size:1.0625rem;font-weight:700}.logo-sub[data-astro-cid-nen7h5rs]{color:var(--ink-muted);letter-spacing:.12em;font-size:.625rem}.nav-primary[data-astro-cid-nen7h5rs]{margin-left:auto}.nav-link[data-astro-cid-nen7h5rs]{letter-spacing:.08em;color:var(--ink-secondary);border-bottom:2px solid var(--hairline-strong);justify-content:center;align-items:center;min-width:44px;min-height:44px;font-size:.6875rem;text-decoration:none;display:inline-flex}.nav-link[data-astro-cid-nen7h5rs][aria-current=page]{border-bottom-color:var(--coral);color:var(--coral-deep);font-weight:700}.nav-link[data-astro-cid-nen7h5rs]:hover{border-bottom-color:var(--jade);color:var(--ink)}.nav-link[data-astro-cid-nen7h5rs]:active{background:var(--paper-deep)}.theme-toggle[data-astro-cid-nen7h5rs]{justify-content:center;align-items:center;gap:var(--sp-1);min-width:44px;min-height:44px;padding:0 var(--sp-2);border:1px solid var(--hairline-strong);border-radius:var(--radius-control);background:var(--paper-deep);color:var(--ink);cursor:pointer;font-size:.75rem;font-weight:700;display:inline-flex}.theme-toggle[data-astro-cid-nen7h5rs]:hover{border-color:var(--coral);background:var(--coral-soft)}.theme-toggle[data-astro-cid-nen7h5rs]:active{background:var(--paper)}.theme-toggle__mark[data-astro-cid-nen7h5rs]{color:var(--coral);font-size:1.125rem;line-height:1}.script-toggle-slot[data-astro-cid-nen7h5rs]{align-items:center;gap:var(--sp-2);letter-spacing:.08em;color:var(--ink-muted);white-space:nowrap;font-size:.6875rem;display:flex}.script-toggle-slot[data-astro-cid-nen7h5rs] label[data-astro-cid-nen7h5rs]{letter-spacing:.08em;color:var(--ink-muted);white-space:nowrap;font-size:.6875rem}.script-preference-select[data-astro-cid-nen7h5rs]{max-width:8.5rem;min-height:44px;padding:0 var(--sp-3);border:1px solid var(--hairline-strong);border-radius:var(--radius-control);background:var(--paper-deep);color:var(--ink-secondary);font:inherit;cursor:pointer;font-size:.6875rem;font-weight:700}.script-preference-select[data-astro-cid-nen7h5rs]:hover{border-color:var(--jade)}.script-preference-select[data-astro-cid-nen7h5rs]:active{background:var(--paper)}.script-preference-select[data-astro-cid-nen7h5rs]:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}@media (width<=767px){.logo-sub[data-astro-cid-nen7h5rs]{display:none}.header-inner[data-astro-cid-nen7h5rs]{gap:var(--sp-3)}.script-toggle-slot[data-astro-cid-nen7h5rs]{flex-direction:column;align-items:flex-end;gap:2px;line-height:1.2}.script-toggle-slot[data-astro-cid-nen7h5rs] label[data-astro-cid-nen7h5rs]{font-size:.625rem}.script-preference-select[data-astro-cid-nen7h5rs]{max-width:6.5rem;padding-inline:var(--sp-1);font-size:.625rem}}@media (width<=374px){.header-inner[data-astro-cid-nen7h5rs]{gap:var(--sp-1);padding-inline:var(--sp-3)}.script-toggle-slot[data-astro-cid-nen7h5rs] label[data-astro-cid-nen7h5rs]{font-size:.5625rem}.script-preference-select[data-astro-cid-nen7h5rs]{max-width:6rem;font-size:.5625rem}.theme-toggle[data-astro-cid-nen7h5rs]{min-width:44px;padding-inline:var(--sp-1)}.theme-toggle__mark[data-astro-cid-nen7h5rs]{display:none}}