footer {
  background: var(--bg_stripe);
  text-align: center;
  padding: 40px 0 0;
}

.totop_btn p {
  display: inline-block;
  font-size: 1.2rem;
  margin-bottom: 1em;
  position: relative;
}

.totop_btn p::before {
  left: -25%;
  transform: rotate(45deg);
}

.totop_btn p::after {
  right: -25%;
  transform: rotate(-45deg);
}

.totop_btn p::before,
.totop_btn p::after {
  content: "";
  height: 1px;
  width: 25px;
  background: var(--base-color);
  position: absolute;
  bottom: 25%;
}

.totop_btn a {
  display: block;
  margin: auto;
  width: 64px;
  transition: 0.5s;
  text-decoration: none;
  transition: opacity 0.3s;
}

.totop_btn a:hover {
  opacity: 0.6;
}

.totop_btn img {
  width: 100%;
  animation: jumpingPooh 5s both infinite 3s;
}

@keyframes jumpingPooh {
  0% {
    transform: translateY(0);
  }
  5% {
    transform: translateY(-12px);
  }
  10% {
    transform: translateY(0);
  }
  15% {
    transform: translateY(-12px);
  }
  20% {
    transform: translateY(0);
  }
}

footer .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
  padding-left: 48px;
  padding-right: 48px;
}

footer h1 a {
  color: var(--gray-color);
  font-size: 3.8rem;
  font-family: var(--font-cursive);
  font-weight: 300;
  display: block;
  line-height: 1.1;
  text-decoration: none;
  transition: 0.3s;
}

footer h1 a:hover {
  opacity: 0.6;
}

footer h1 a span {
  display: block;
  color: var(--gray-color);
  font-family: var(--font-en);
  font-size: 0.9rem;
  opacity: 0.8;
  letter-spacing: 0.08em;
}

footer nav {
  display: flex;
  padding: 0;
}

footer nav ul {
  display: flex;
  padding: 0;
  margin-left: 2em;
}

footer nav ul li {
  font-weight: 500;
  margin-right: 2em;
}

footer nav ul li:last-child a {
  color: var(--orange-color-02);
}

footer nav ul li a {
  transition: 0.5s;
  text-decoration: none;
  color: var(--base-color);
  position: relative;
}

footer nav ul li a:after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--sub-color);
  transition: all 0.5s;
  opacity: 0;
}

footer nav ul li a:hover:after {
  width: 100%;
  opacity: 1;
}

footer nav ul li a:hover {
  color: var(--white-color-02);
}

.copyright {
  text-align: center;
  display: block;
  font-size: 2rem;
  padding-top: 40px;
  padding-bottom: 16px;
  font-family: var(--font-cursive);
}

@media screen and (max-width: 767px) {
  footer {
    padding: 40px 24px 0;
  }
  .totop_btn {
    margin-bottom: 40px;
  }
  footer .wrapper {
    flex-direction: column;
  }
  footer h1 {
    margin-bottom: 40px;
  }
  footer h1 a {
    font-size: 3.2rem;
  }
  footer h1 a span {
    font-size: 1rem;
  }
  footer nav ul li {
    font-size: 1.4rem;
  }
  .copyright {
    font-size: 1.6rem;
    padding-top: 24px;
  }
}