:root{--color-bg:#fff;--color-surface:#f6f7f9;--color-text:#1b1d22;--color-muted:#555b66;--color-border:#d3d7de;--color-accent:#1f5fd1;--color-accent-text:#fff;--color-focus-inner:#ffd43d;--color-focus-outer:#000;--radius:6px;--font:system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font);margin:0;line-height:1.6}a{color:var(--color-accent)}:focus-visible{outline:2px solid var(--color-focus-outer);outline-offset:2px;box-shadow:0 0 0 2px var(--color-focus-inner)}button,input,select,textarea{font:inherit;color:inherit}.btn{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);cursor:pointer;align-items:center;gap:.25em;padding:.4em .9em;display:inline-flex}.btn:hover{background:var(--color-surface)}.btn-primary{border-color:var(--color-accent);background:var(--color-accent);color:var(--color-accent-text)}.btn-primary:hover{background:#194fae}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}