:root{--sakura-50:#FDF5F6;--sakura-100:#FBE7EA;--sakura-200:#F6CED5;--sakura-300:#EFB0BA;--sakura-400:#E89FAC;--sakura-500:#DC7A8C;--sakura-600:#C25A6E;--sakura-700:#9E3F53;--sakura-800:#7A2E3F;--sakura-900:#4A1C27;--paper-50:#FDFBF7;--paper-100:#F8F3EA;--paper-200:#EFE7D6;--paper-300:#DDD1BA;--paper-400:#B8A98C;--paper-500:#8B7D62;--paper-600:#6B5F48;--paper-700:#4A4233;--paper-800:#2E2920;--paper-900:#1A160F;--matcha-500:#8FA97A;--matcha-700:#5E7450;--umber-500:#C78B5C;--umber-700:#8A5A34;--indigo-500:#5B6B93;--plum-500:#8C5A78;--fg-1:var(--paper-800);--fg-2:var(--paper-600);--fg-3:var(--paper-500);--fg-muted:var(--paper-400);--fg-inverse:var(--paper-50);--fg-accent:var(--sakura-700);--fg-on-primary:#FFFFFF;--bg-page:var(--paper-50);--bg-surface:#FFFFFF;--bg-raised:var(--paper-100);--bg-muted:var(--paper-200);--bg-accent-soft:var(--sakura-50);--bg-accent:var(--sakura-400);--bg-accent-hover:var(--sakura-500);--border-subtle:var(--paper-200);--border-default:var(--paper-300);--border-strong:var(--paper-400);--border-accent:var(--sakura-300);--success:var(--matcha-700);--danger:var(--sakura-800);--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--radius-pill:999px;--shadow-xs:0 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var(--ease-out-soft)}.btn-primary{color:var(--fg-on-primary);background:var(--sakura-400);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--sakura-500);box-shadow:var(--shadow-md)}.btn-primary:active{background:var(--sakura-600);transform:scale(.98)}.btn-lg{height:56px;padding:0 32px;font-size:17px}.btn-secondary{color:var(--fg-1);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);font-weight:500}.btn-secondary:hover{background:var(--paper-100);box-shadow:var(--shadow-xs)}.btn-sm{height:40px;padding:0 18px;font-size:14px}.site-nav{justify-content:space-between;max-width:1200px;margin:0 auto;padding:20px 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