@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;700;900&display=swap");:root{--color-navy:#0a1628;--color-navy-80:#1a2a42;--color-navy-60:#2a3d5a;--color-blue:#2563eb;--color-blue-light:#3b82f6;--color-blue-pale:#eff6ff;--color-gold:#f59e0b;--color-white:#fff;--color-gray-50:#f8fafc;--color-gray-100:#f1f5f9;--color-gray-200:#e2e8f0;--color-gray-400:#94a3b8;--color-gray-500:#64748b;--color-gray-700:#334155;--color-gray-900:#0f172a;--color-text:#1e293b;--color-text-muted:#64748b;--font-sans:"Inter","Noto Sans JP",-apple-system,BlinkMacSystemFont,sans-serif;--max-width:1200px;--header-height:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 12px rgba(0,0,0,.08),0 2px 4px rgba(0,0,0,.04);--shadow-lg:0 10px 30px rgba(0,0,0,.12),0 4px 8px rgba(0,0,0,.06);--shadow-xl:0 20px 50px rgba(0,0,0,.16);--transition:0.2s cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-white);line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}ol,ul{list-style:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}@media (max-width:768px){.container{padding:0 16px}}.header{position:sticky;top:0;z-index:100;height:var(--header-height);background:hsla(0,0%,100%,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-gray-200)}.header__inner{height:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px;gap:32px}.header__inner,.header__logo{display:flex;align-items:center}.header__logo{flex-shrink:0}.header__logo 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