header{background:var(--red);border-bottom-color:#81261e}
.brand{gap:14px}
.cdu-logo{display:block;width:min(205px,42vw);height:auto;max-height:54px;object-fit:contain}
.brand small{color:#fff3dc;white-space:nowrap}
#contents{border-color:#d98d78;color:#fff;background:#8f261e}
.stage{padding-top:24px}
.hint{font-size:12px;color:#8e7867}
@media(max-width:600px){.cdu-logo{width:min(175px,52vw);max-height:44px}.brand{gap:8px}.brand small{font-size:10px}}