.site-nav{--nav-ink:#374e43;--nav-soft:#6f8273;--nav-line:#dfe7dc;--nav-track:#eef3ea;--nav-active:#fff;--nav-accent:#f5d275;font-family:Noto Sans JP,system-ui,sans-serif}.site-nav__list{list-style:none;margin:0;padding:4px;display:grid;grid-template-columns:repeat(var(--site-nav-count,2),minmax(0,1fr));gap:4px;background:var(--nav-track);border:1px solid var(--nav-line);border-radius:999px}.site-nav__link{position:relative;display:flex;align-items:center;justify-content:center;gap:7px;min-height:36px;padding:0 16px;border-radius:999px;text-decoration:none;color:var(--nav-soft);font-size:13px;font-weight:600;letter-spacing:.04em;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s;-webkit-tap-highlight-color:transparent}.site-nav__link:hover{background:#ffffffa6;color:var(--nav-ink)}.site-nav__link:focus-visible{outline:3px solid #d39b45;outline-offset:2px}.site-nav__link[aria-current=page]{background:var(--nav-active);color:var(--nav-ink);box-shadow:0 2px 8px #374e4321;cursor:default}.site-nav__link[aria-current=page]:after{content:"";position:absolute;left:50%;bottom:4px;width:14px;height:3px;margin-left:-7px;border-radius:3px;background:var(--nav-accent)}.site-nav__icon{font-size:15px;line-height:1;font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}.site-nav__label--short{display:none}.site-nav--floating .site-nav__list{background:#ffffff9e;border-color:#ffffffd9;box-shadow:0 4px 18px #14322824;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.site-nav--floating .site-nav__link{color:#56685c}.site-nav--floating .site-nav__link:hover{background:#ffffffb3}@media(max-width:740px){.site-nav__link{min-height:34px;padding:0 10px;font-size:12px;gap:5px}.site-nav__icon{font-size:14px}}@media(max-width:520px){.site-nav--floating .site-nav__label--full{display:none}.site-nav--floating .site-nav__label--short{display:inline}}@media(max-width:340px){.site-nav__label--full{display:none}.site-nav__label--short{display:inline}}@media(prefers-reduced-motion:reduce){.site-nav__link{transition:none}}