.clone-source{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;padding:6px 12px;background:#fff;border-bottom:1px solid #e2e8ef;font:13px/1.5 Arial,sans-serif;color:#5e6470}.clone-source a{color:#24568e;text-decoration:underline}.clone-note{font:13px/1.6 Arial,sans-serif;text-align:center;padding:16px;color:#60697b;margin:0}.clone-source a:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid #164c91;outline-offset:3px}.clone-narrow #clone-document{display:none}.clone-narrow body{margin:0;background:#eef2f8}.clone-device-frame{display:block;border:0;width:min(100%,480px);height:100dvh;margin:0 auto;background:white}form button[type=submit]{border:0;padding:0}main-content img{max-width:100%}@media(max-width:575px){.clone-source{font-size:12px;gap:8px}.clone-source span{flex:1}.clone-note{padding:12px}}
@media(max-width:991.98px){.navbar .navbar-brand{min-width:0;flex:1 1 0}.navbar .navbar-brand img{max-width:100%;height:auto}.navbar .navbar-other{width:auto!important;flex:0 0 auto;margin-left:12px!important}}
/* Content-preserving image optimization, 2026-09-27. */
main-content img{height:auto;object-fit:contain}main-content .hover-scale:hover img{transform:none}main-content figure{overflow:visible}main-content picture{display:block}main-content picture img{display:block;width:100%;height:auto}