body {
  background-color: #fafafa;
  color: #00b3d3;
  font-family: "Roboto", sans-serif;
  cursor: none;
}
.custom-cursor {
  content: "";
  position: fixed;
  width: 15px; /* 丸の直径 */
  height: 15px; /* 丸の直径 */
  background-color: #87cefa; /* 水色 */
  border-radius: 50%;
  pointer-events: none; /* カーソルの動作を妨げない */
  z-index: 9999;
}
@media (max-width: 850px) {
  .custom-cursor {
    display: block;
  }
}
.header-list-box {
  display: flex;
  justify-content: end;
  align-items: start;
}
.header-list-text {
  font-size: 1.8rem;
  padding-right: 40px;
  font-weight: 300;
  padding-top: 30px;
  position: relative;
}
.header-list-text::after {
  position: absolute;
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #00b3d3;
  left: 30%;
  bottom: -20%;
  opacity: 0;
  transition: opacity 0.3s;
}
.header-list-text:hover::after {
  opacity: 1;
}
.header-list-btn {
  margin: 10px 20px 0 0;
  padding: 20px 25px;
  background-color: #ffc0cb;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
  border-radius: 20px;
}
.header-btn-text {
  color: #fff;
  font-size: 1.8rem;
  font-weight: 300;
}
.nav {
  display: none;
}
@media (max-width: 850px) {
  .header-list-box {
    display: none;
  }
  .open-btn {
    z-index: 100;
    display: block;
    position: absolute;
    top: 30px;
    right: 30px;
    width: 30px;
    height: 1px;
    cursor: pointer;
  }
  .open-btn span,
  .open-btn span::before,
  .open-btn span::after {
    display: block;
    content: "";
    background-color: #2f70a9;
    width: 30px;
    height: 1px;
    position: absolute;
  }
  .open-btn span::before {
    bottom: -8px;
  }
  .open-btn span::after {
    bottom: -16px;
  }
  .nav-logo {
    padding: 20px 0 0 10px;
  }
  .close-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 30px;
    height: 1px;
    display: block;
    cursor: pointer;
  }
  .close-btn span,
  .close-btn span::before {
    display: block;
    content: "";
    background-color: #2f70a9;
    width: 30px;
    height: 1px;
    transform: rotate(120deg);
  }
  .close-btn span ::before {
    transform: rotate(125deg);
    background-color: #000;
  }
  .nav {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background-color: #f6fbfb;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 3000;
  }
  .nav.active {
    transform: translateX(0);
  }
}
.kv {
  position: relative;
  height: 100vh;
  width: 100vw;
}
.kv-top {
  position: absolute;
  top: -10%;
  left: 0;
  width: 100%;
  height: auto;
}
.kv-under {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 37%;
  height: auto;
}
.title-box {
  position: absolute;
  bottom: 20%;
  left: 15%;
  display: flex;
}
.title-logo img {
  animation: spin 16s linear infinite;
}
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
.title {
  font-size: 2rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  padding-left: 10px;
  text-transform: capitalize;
}
.title span {
  font-size: 4rem;
  line-height: 5rem;
}
@media (max-width: 500px) {
  .kv-top {
    top: 0;
  }
  .kv-top img {
    width: 100vw;
  }
  .kv-under {
    left: 0;
  }
  .kv-under img {
    width: 100vw;
  }
  .title-box {
    bottom: 50%;
  }
}