@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=BIZ+UDPGothic&family=Limelight&display=swap");
/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

メインビジュアル

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.mainvisual {
  display: flex;
  place-items: center;
  height: 100dvh;
  position: relative;
  overflow: hidden;
}

/* 惑星要素 */
.mainvisual::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 15%;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 30% 20%,
    rgba(255, 215, 0, 0.8) 0%,
    rgba(160, 39, 89, 0.6) 40%,
    rgba(69, 39, 160, 0.8) 100%
  );
  border-radius: 50%;
  animation: planetOrbit 30s linear infinite;
  box-shadow:
    0 0 50px rgba(255, 215, 0, 0.6),
    inset -20px -20px 40px rgba(69, 39, 160, 0.3);
  z-index: 1;
}

/* 小さな衛星 */
.mainvisual::after {
  content: '';
  position: absolute;
  top: 70%;
  left: 20%;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at 40% 30%,
    rgba(39, 160, 160, 0.9) 0%,
    rgba(69, 39, 160, 0.7) 60%,
    rgba(11, 11, 26, 0.8) 100%
  );
  border-radius: 50%;
  animation: planetOrbit 45s linear infinite reverse;
  box-shadow:
    0 0 30px rgba(39, 160, 160, 0.5),
    inset -10px -10px 20px rgba(69, 39, 160, 0.4);
  z-index: 1;
}
.mainvisual .sitename {
  font-family: 'Black Ops One', 'Audiowide', monospace;
  font-weight: 400;
  font-size: clamp(4rem, 2.5rem + 10vw, 12rem);
  letter-spacing: 8px;
  width: min-content;
  margin-left: auto;
  margin-right: 10%;
  color: #FFFFFF;
  position: relative;
  z-index: 2;
  text-transform: uppercase;
  text-shadow:
    0 0 10px #FFD700,
    2px 2px 0 #4527A0;
}

/* 削除 */

/* 削除 */
.mainvisual .mainvisual__img {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  z-index: -1;
}
.mainvisual .mainvisual__img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: center center;
     object-position: center center;
  transform: scale(1.1);
  transition: transform 0.1s ease-out;
}

/* タブレット */
@media screen and (max-width: 1180px) {
  .mainvisual {
    place-items: flex-end;
  }
  .mainvisual .sitename {
    padding: 20px;
    margin-right: 0;
  }
}

/* スマートフォン対応 */
@media screen and (max-width: 768px) {
  .mainvisual .sitename {
    letter-spacing: 6px;
    font-size: clamp(3rem, 2rem + 8vw, 10rem);
  }
}

@media screen and (max-width: 520px) {
  .mainvisual .sitename {
    letter-spacing: 2px;
    padding: 15px;
    font-size: clamp(2.5rem, 1.5rem + 6vw, 8rem);
  }
}
/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

更新履歴

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.update {
  height: 140px;
  overflow-y: auto;
  padding-right: 20px;
}

.update__item {
  display: flex;
  gap: 20px;
  padding: 8px 0;
}
.update__item:not(:last-child) {
  border-bottom: 1px solid #01577D;
}
.update__item time {
  padding-top: 4px;
  color: #01577D;
}

/* スマホ */
@media screen and (max-width: 520px) {
  .update__item {
    flex-direction: column;
    gap: 4px;
  }
}
/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 ABOUT

 －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/
/*－－－－－－－－－－ Profile －－－－－－－－－－*/
.profile__img {
  padding: 0 40px;
}
.profile__img img {
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  margin: auto;
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 CONTACT

 －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/
.mailform input,
.mailform textarea {
  width: max(50%, 400px);
}

/* タブレット、スマホ */
@media screen and (max-width: 768px) {
  .mailform input,
  .mailform textarea {
    max-width: 100%;
  }
}
/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

GALLERY

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.gallerylist {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 40px 0;
}

.gallerylist__item {
  width: calc((100% - 80px) / 5);
  height: auto;
}
@media screen and (max-width: 1180px) {
  .gallerylist__item {
    width: calc((100% - 60px) / 4);
  }
}
@media screen and (max-width: 767px) {
  .gallerylist__item {
    width: calc((100% - 40px) / 3);
  }
}
@media screen and (max-width: 520px) {
  .gallerylist__item {
    width: calc((100% - 20px) / 2);
  }
}
.gallerylist__item a {
  position: relative;
  width: 100%;
  display: block;
}
.gallerylist__item a::before {
  content: "";
  display: block;
  padding-top: 100%;
  /*100%=親要素の横幅*/
}
.gallerylist__item a img {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  transition: transform 0.3s ease, filter 0.3s ease;
  filter: brightness(0.9);
}

.gallerylist__item {
  perspective: 1000px;
}

.gallerylist__item a {
  display: block;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.gallerylist__item a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(237, 195, 57, 0) 0%, rgba(237, 195, 57, 0.3) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

@media (hover: hover) {
  .gallerylist__item a:hover {
    transform: translateY(-20px) rotateX(5deg) rotateY(5deg) scale(1.05);
    box-shadow:
      0 25px 50px rgba(0, 0, 0, 0.5),
      0 0 50px rgba(120, 119, 198, 0.3),
      inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }

  .gallerylist__item a:hover img {
    transform: scale(1.1);
    filter: brightness(1.2) saturate(1.4) hue-rotate(10deg);
  }

  .gallerylist__item a:hover::after {
    opacity: 1;
    background: linear-gradient(
      135deg,
      rgba(120, 119, 198, 0.3) 0%,
      rgba(255, 119, 198, 0.3) 50%,
      rgba(120, 219, 255, 0.3) 100%
    );
  }
}