.dark .gradation-text {
  color: #fff;
  background: #000;
}

.light .gradation-text {
  color: #000;
  background: #fff;
}

.gradation-text::before {
  content: "";
  position: absolute;
  inset: 0;
  /*  文字色  */
  background-image: linear-gradient(45deg, #276acb, #00c5ff, #0ffe37);
  /* すでにsplittingより前面にあるが、アニメーションがうまく働かないため。afterの場合不要  */
  z-index: 1;
  /*テキスト選択やクリックができるように */
  pointer-events: none;
}

.dark .gradation-text::before {
  /*   グラデーションテキスト用（背景色が暗い場合） */
  mix-blend-mode: multiply;
}

.light .gradation-text::before {
  /*   グラデーションテキスト用（背景色が明るい場合）*/
  mix-blend-mode: screen;
}

.splitting {
  display: inline-block;
  animation-name: show;
  animation-duration: 1s;
  animation-timing-function: ease-in-out;
  animation-fill-mode: backwards;
  animation-delay: calc(0.2s * var(--i));
}

@keyframes show {
  0% {
    rotate: 30deg;
    translate: -30px -30px;
    opacity: 0;
  }
  100% {
    rotate: 0deg;
    translate: 0 0px;
  }
}


/*=======================================
装飾用
========================================*/
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.page {
  display: grid;
  min-height: 100svh;
  grid-template-rows: 1fr 1fr;
}

.wrapper {
  display: grid;
  place-items: center;
  grid-template-rows: auto 1fr;
  text-align: center;
}

.dark {
  background: #222;
}

.light {
  background: #f1f1f1;
}

p {
  font-size: 24px;
  padding-top: 40px;
}

.dark p {
  color: #fff;
}

.gradation-text {
  position: relative;
  display: inline-block;
  font-size: 40px;
  padding: 40px;
}

.dark .gradation-text {
  /*  darkの背景色（#222）と同化させる  */
  mix-blend-mode: lighten;
}

.light .gradation-text {
  /*  lightの背景色（#f1f1f1）と同化させる  */
  mix-blend-mode: multiply;
}