html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* ヘッダーフッターの背景色 */
.bg-luxury {
    background-image: radial-gradient(circle at 15% 25%, rgba(255, 255, 255, 0.08) 30px, transparent 31px), 
                      radial-gradient(circle at 30% 60%, rgba(255, 255, 255, 0.07) 25px, transparent 26px), 
                      radial-gradient(circle at 70% 40%, rgba(255, 255, 255, 0.06) 35px, transparent 36px), 
                      radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.05) 40px, transparent 41px), 
                      radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.05) 20px, transparent 21px), 
                      radial-gradient(circle at 90% 70%, rgba(255, 255, 255, 0.06) 30px, transparent 31px), 
                      radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.05) 25px, transparent 26px), 
                      linear-gradient(to right, #74c0fc, #4dabf7);
    background-repeat: no-repeat;
    background-size: cover;
}