body {
  background-color: #b3b3b3;
}

.md-main {
  background-color: #b3b3b3;
}

.md-content__inner {
  background-color: #e6e6e6;
  padding: 2rem;
  border-radius: 12px;
}

/* 左右サイドバーの背景 */
.md-sidebar,
.md-sidebar__scrollwrap,
.md-nav--primary,
.md-sidebar--secondary,
.md-nav--secondary {
  background-color: #b3b3b3;
}

/* 左上タイトル */
.md-nav--primary .md-nav__title[for="__drawer"] {
  background-color: #b3b3b3;
  box-shadow: none;
  background-image: none;
  border: 0;
  color: #333333;
}

/* 右上タイトル */
.md-nav--secondary .md-nav__title {
  background-color: #b3b3b3;
  box-shadow: none;
  background-image: none;
  border: 0;
  color: #333333;
}

/* Booth link button in left navigation */
.md-nav__link[href*="booth.pm"] {
  margin: 1.2rem 0.2rem 0.35rem 0.2rem;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #319204, #0d3d46);
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.md-nav__link[href*="booth.pm"]::before {
  content: "";
  display: block;
  height: 1px;
  margin: -0.65rem 0 0.65rem 0;
  background: rgba(127, 127, 127, 0.25);
}

.md-nav__link[href*="booth.pm"]:hover {
  background: #6a3df0;
  color: #ffffff !important;
}

.md-nav__link[href*="booth.pm"] .md-ellipsis {
  width: 100%;
  text-align: center;
}