<button class="btn-crane">
  <span class="btn-crane-text">Send Wish</span>
  <span class="btn-crane-seal" aria-hidden="true">福</span>
  <span class="btn-crane-fold" aria-hidden="true"></span>
</button>

.btn-crane {
  position: relative;
  padding: 14px 44px 14px 28px;
  border: 1px solid #d4c8a3;
  border-radius: 2px;
  background: #f5e8c4;
  color: #3a2010;
  font-family: ui-serif, Georgia, serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(.3,1,.3,1), box-shadow 0.25s ease;
  box-shadow: 0 2px 0 rgba(170,140,80,0.4), 0 4px 10px rgba(0,0,0,0.12);
}
.btn-crane-text { position: relative; z-index: 1; }
.btn-crane-seal {
  position: absolute;
  top: 50%; right: 10px;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  background: #a83232;
  color: #f5e8c4;
  font-family: ui-serif, Georgia, serif;
  font-size: 12px; font-weight: 700;
  display: grid; place-items: center;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.18);
}
.btn-crane-fold {
  position: absolute;
  right: 0; bottom: 0;
  width: 14px; height: 14px;
  background: linear-gradient(135deg, transparent 50%, #d4c8a3 50%);
}
.btn-crane:hover {
  transform: translateY(-3px) rotate(-0.6deg);
  box-shadow: 0 4px 0 rgba(170,140,80,0.4), 0 8px 16px rgba(0,0,0,0.18);
}