.kusudama {
  position: relative;
  display: inline-block;
  flex: none;
  width: 26px;
  height: 26px;
  margin: 0 6px 0 2px;
  vertical-align: middle;
  z-index: 11;
  cursor: pointer;
  transform-origin: 50% -20px;
  animation: kd-sway 3.4s ease-in-out infinite alternate;
}
@keyframes kd-sway {
  from {
    transform: rotate(-4deg);
  }
  to {
    transform: rotate(4deg);
  }
}
.kusudama::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% - 1px);
  width: 1px;
  height: 60px;
  margin-left: -0.5px;
  background: #b08a3a;
}
.kd-half {
  position: absolute;
  top: 0;
  width: 13px;
  height: 26px;
  background:
    linear-gradient(
      transparent 41%,
      #d8342f 41%,
      #d8342f 59%,
      transparent 59%),
    radial-gradient(
      circle at 9px 8px,
      #fff7cf 0,
      #f6d058 5px,
      #d9a21e 11px,
      #a06a0c 16px,
      #6e4405 19px);
  background-size: 26px 26px;
  box-shadow: inset 0 0 0 0.5px rgba(90, 50, 0, 0.55);
  transition: transform 0.5s cubic-bezier(0.3, 1.4, 0.55, 1) 0.4s;
}
.kd-l {
  left: 0;
  border-radius: 13px 0 0 13px;
  transform-origin: 100% 0;
}
.kd-r {
  left: 13px;
  border-radius: 0 13px 13px 0;
  background-position: -13px 0;
  transform-origin: 0 0;
}
.kusudama.open .kd-l {
  transform: rotate(62deg);
  transition-delay: 0s;
}
.kusudama.open .kd-r {
  transform: rotate(-62deg);
  transition-delay: 0s;
}
.kd-banner {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 15px;
  margin-left: -7.5px;
  padding: 4px 0 3px;
  box-sizing: border-box;
  background: #fffdf6;
  border: 1px solid #c8302b;
  border-top: 3px solid #a06a0c;
  color: #2a1820;
  font:
    700 10px/1.05 "Hiragino Mincho ProN",
    "Yu Mincho",
    "Noto Serif JP",
    serif;
  letter-spacing: 1px;
  writing-mode: vertical-rl;
  text-orientation: upright;
  white-space: nowrap;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.4s ease-in;
}
.kusudama.open .kd-banner {
  clip-path: inset(0 0 -1px 0);
  transition: clip-path 0.8s cubic-bezier(0.2, 0.8, 0.3, 1) 0.3s;
}
.kd-tassel {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 2px;
  height: 6px;
  margin-left: -1px;
  background: #c8302b;
  transition: opacity 0.3s 0.5s, transform 0.3s 0.5s;
}
.kd-tassel::after {
  content: "";
  position: absolute;
  top: 100%;
  left: -2px;
  width: 6px;
  height: 6px;
  background: #c8302b;
  border-radius: 1px 1px 3px 3px;
}
.kusudama.open .kd-tassel {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s, transform 0.4s ease-in;
}
.kd-confetti {
  position: absolute;
  left: 50%;
  top: 55%;
  pointer-events: none;
}
.kd-confetti i {
  position: absolute;
  left: -2px;
  top: -3px;
  width: 4px;
  height: 6px;
  background: var(--c);
  opacity: 0;
}
.kusudama.open .kd-confetti i {
  animation: kd-fall 2s cubic-bezier(0.25, 0.7, 0.4, 1) var(--d, 0s) both;
}
@keyframes kd-fall {
  0% {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg);
  }
  30% {
    opacity: 1;
    transform: translate(calc(var(--x) * 0.7), -12px) rotate(calc(var(--r) * 0.4));
  }
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(var(--x), var(--y)) rotate(var(--r));
  }
}