.site-header{--sh-blue:#0546fd;--sh-blue-hi:#3f74ff;--sh-blue-deep:#0230c4;--sh-ink:#070b1f;--sh-paper:#f2f4fb;--sh-line:rgba(7,11,31,0.1);--sh-gutter:20px;position:sticky;top:0;z-index:40;height:60px;background:rgba(5,8,20,.88);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);color:#fff;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;font-size:14px;line-height:1.5;letter-spacing:.02em;font-feature-settings:normal;box-shadow:0 1px 0 rgba(243,246,255,.08)}@media (min-width:900px){.site-header{--sh-gutter:48px;height:72px}}.site-header--top{position:fixed;left:0;right:0;z-index:30;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none}.site-header :focus-visible{outline:2px solid #fff;outline-offset:3px}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1320px;height:100%;margin:0 auto;padding:0 12px 0 var(--sh-gutter)}.site-logo{display:inline-flex;flex:none}.site-logo img{display:block;width:auto;height:26px}@media (min-width:900px){.site-logo img{height:30px}}.site-nav{display:none}.site-header-actions{display:flex;align-items:center;gap:6px}.site-header-login{height:44px;padding:0 8px;color:inherit;opacity:.85}.site-header-cta,.site-header-login{display:inline-flex;align-items:center;font-size:13px;font-weight:700;white-space:nowrap;text-decoration:none}.site-header-cta{height:38px;padding:0 16px;border-radius:999px;background:#fff;color:var(--sh-blue)}.site-header-cta:hover{background:#eef2ff}@media (max-width:379px){.site-header-cta{display:none}}.site-menu-btn{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:12px;background:transparent;color:inherit;cursor:pointer}.site-menu{position:absolute;top:calc(100% + 8px);left:12px;right:12px;display:flex;flex-direction:column;padding:10px;border-radius:20px;background:#fff;color:var(--sh-ink);box-shadow:0 30px 60px -20px rgba(7,11,31,.35),0 0 0 1px var(--sh-line)}.site-menu[hidden]{display:none}.site-menu a{padding:14px;border-radius:12px;color:inherit;font-size:15px;font-weight:700;text-decoration:none}.site-menu a:hover,.site-menu a[aria-current=page]{background:var(--sh-paper)}.site-menu .site-menu-cta{margin-top:6px;background:var(--sh-blue);color:#fff;text-align:center}.site-menu .site-menu-cta:hover{background:var(--sh-blue-deep)}.site-menu :focus-visible{outline-color:var(--sh-blue)}@media (min-width:1024px){.site-header-inner{padding:0 var(--sh-gutter)}.site-nav{display:flex;gap:28px;font-size:14px;font-weight:700}.site-nav a{color:inherit;text-decoration:none;opacity:.85;transition:opacity .2s ease}.site-nav a:hover,.site-nav a[aria-current=page]{opacity:1}.site-nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--sh-blue-hi);text-decoration-thickness:2px;text-underline-offset:10px}.site-header-actions{gap:8px}.site-header-login{padding:0 14px;font-size:14px}.site-header-login:hover{opacity:1}.site-header-cta{height:42px;padding:0 20px;font-size:14px}.site-menu,.site-menu-btn{display:none}}