/* Standalone wrapper only. V16 CHAPTER 03 content/3D remains untouched. */
body.chapter03-only-v16 .book-cover,
body.chapter03-only-v16 .book-toc-page,
body.chapter03-only-v16 #chapter1Pane{
  display:none!important;
}
body.chapter03-only-v16 #chapter2Pane{
  display:block!important;
  visibility:visible!important;
}
.v16-home-wrap{
  display:flex;justify-content:center;align-items:center;
  width:100%;padding:18px 12px 4px;
  background:#f5f3eb;position:relative;z-index:99999;
}
.v16-home-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:180px;min-height:50px;padding:12px 28px;
  border-radius:999px;text-decoration:none!important;
  background:#e7f4f0;border:1px solid #c9e2db;color:#3f756b;
  font:800 15px/1 "Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;
  letter-spacing:.05em;box-shadow:0 8px 22px rgba(62,96,88,.10);
}
@media(max-width:700px){.v16-home-btn{min-width:160px;min-height:46px;font-size:14px}}