*,:after,:before{box-sizing:border-box}:root{--color-bg:#fafbf8;--color-text:#1f2a22;--color-text-label:#3b4a3d;--color-text-muted:#8b968a;--color-accent:#06c755;--color-accent-hover:#049c46;--color-accent-disabled:#c9e9d5;--color-error:#ef4763;--color-border:#e4e7e1;--color-border-light:#f0f2ed;--color-border-disabled:#eef1ec;--color-surface:#ffffff;--color-surface-disabled:#f7f8f5;--color-text-disabled:#b9c0b4;--shadow-card:0 2px 10px rgba(20,30,20,0.03);--shadow-button-primary:0 2px 8px rgba(6,199,85,0.18);--radius-input:12px;--radius-card:16px}body,html{margin:0;padding:0;min-height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font-noto-sans-jp),"Noto Sans JP",sans-serif;-webkit-font-smoothing:antialiased}.btn-secondary-neutral{background:#fff;color:#3b4a3d;border:1.5px solid var(--color-border);border-radius:var(--radius-input);padding:11.5px 24px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s ease}.btn-secondary-neutral:hover:not(:disabled){background:#f7f8f5}.btn-secondary-neutral:disabled{cursor:not-allowed;opacity:.7}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-bg);font-size:12px;font-weight:500;color:var(--color-text-muted)}