@charset "UTF-8";

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  color: #333333;
  font-size: 1rem;
  width: 100%;
  min-width: 320px;
  font-family: 'Noto Sans JP', sans-serif;
}

img {
  max-width: 100%;
}

li {
  list-style: none;
}

a {
  color: #333333;
  color: white;
  text-decoration: none;
  font-weight: 600;
  display: block
}

p {
  font-size: 1.25rem;
}

/* --.header----------------------- */
.header {
  position: relative;
  height: 100vh;
  height: 100vh;
  color: white;
}

.header__nav {
  position: absolute;
  bottom: 60px;
  right: 60px;
  line-height: 4;
  text-align: center;
}

.fa-brands,
.fa-solid {
  font-size: 3rem;
}

.fa-brands:hover,
.fa-solid:hover {
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}


.header__site-title {
  position: absolute;
  top: 17%;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  text-shadow:
    -1px -1px 4px rgba(0, 0, 0, 0.5),
    1px -1px 4px rgba(0, 0, 0, 0.5),
    -1px  1px 4px rgba(0, 0, 0, 0.5),
    1px  1px 4px rgba(0, 0, 0, 0.5);
  margin: 10px;
  text-align: center;
  font-size: 4rem;
  font-weight: 900;
  white-space: nowrap;
}

.header__line-break {
  display: inline-block;
  margin-left: 2rem;
}

/* --main----------------------- */
video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  object-fit: cover;
  z-index: -1;
  margin-left: -1%;
}

.start-button {
  position: absolute;
  bottom: 27%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 20, 147, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); /* Safari対応 */
  color: white;
  font-weight: bold;
  letter-spacing: 5px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  font-size: 2rem;
  cursor: pointer;
  box-shadow:
    0 6px 10px rgba(230, 0, 115, 0.9),
    0 0 15px rgba(255, 77, 166, 0.9);

  transition: background-color 0.4s ease;
  animation: pulse 3s ease-in-out infinite;
}

.start-button:hover {
  background: rgba(255, 20, 147, 0.5);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 20px #FFB6C1, 0 0 40px #FF1493;
  }
  50% {
    box-shadow: 0 0 60px #FF69B4, 0 0 80px #FF1493;
    font-size: 2.5rem;
  }
  100% {
    box-shadow: 0 0 20px #FFB6C1, 0 0 40px #FF1493;
  }
}

.story-link {
  position: absolute;
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 0.7px;
  font-size: 1.25rem;
}

.story-link :hover {
  text-decoration: underline;
}

/* --#work------------------------- */
#work {
  padding-top: 50px;
  margin: 0 50px;
}

.work__category {
  margin-bottom: 100px;
}

.work__category-flex {
  display: flex;
  align-items: center;
}

.work__info {
  width: 50%
}

.work__heading-lv2 {
  padding: 10px;
  border-radius: 5px;
  font-size: 2rem;
  margin-bottom: 20px;
  background-color: rgba(51, 51, 51, 0.1);
  text-align: center;
}

.work__list {
  font-size: 2rem;
  color: #333333;
  margin-left: 50px;
  margin-bottom: 50px;
}

.work__category__img {
  border-radius: 5px;
  width: 100%;
}

.work__list a {
  color: #333333;
  display: inline-block;
  border-bottom: 1px solid;
}

.work__list a:hover {
  color: rgba(100, 149, 237);
}

/* --#footer---------------------- */
#footer {
  text-align: center;
  font-weight: 600;
  margin: 20px;
}

#siteinfo {
  margin-bottom: 20px;
}

#siteinfo ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  line-height: 1.5;
}

.siteinfo__list {
  display: inline;
}

#siteinfo a {
  color: rgba(100, 149, 237);
}

#siteinfo a:hover {
  text-decoration: underline;
}

#siteinfo span {
  opacity: 0.5;
  padding: 0 0.5rem;
}

.footer__copyright span {
  opacity: 0.5;
}

/* --レスポンシブ ------------------- */
@media screen and (max-width: 1015px) {
  /* --レスポンシブ header----------------------- */
  .header__site-title {
    white-space: normal;
  }

  .header__line-break {
    display: block;
    margin-left: 0;
    margin-top: 1rem;

    white-space: nowrap;
  }

  /* --レスポンシブ footer---------------------- */
  .siteinfo__list a {
    font-size: 1rem;
  }

  .footer__copyright {
    font-size: 1rem;
  }
}

/* --レスポンシブ ------------------- */
@media screen and (max-width: 500px) {
  /* --レスポンシブ header----------------------- */
  .header__nav {
    position: absolute;
    right: 20px;
    line-height: 3;
    text-align: center;
  }

  .fa-brands,
  .fa-solid {
    font-size: 2rem;
  }

  .header__site-title {
    font-size: 2.5rem;
  }

  .header__line-break {
    font-size: 2.5rem;
  }

  /* <!--レスポンシブ main--------------------------> */
  .story-link {
    font-size: 0.7rem;
  }

  .work__heading-lv2 {
    font-size: 1.8rem;
  }

  .work__category {
    margin-bottom: 0;
  }

  .work__category-flex {
    display: block;
  }

  .work__info {
    width: 100%
  }

  .work__list {
    font-size: 1.5rem;
    margin-top: 10px;
    margin-left: 0;
    position: relative;
  }

  .work__list a {
    border-bottom: none;
  }

  .work__list::after {
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 15px solid rgba(51, 51, 51, 0.5);
    display: inline-block;
    margin-left: 1rem;
    vertical-align: middle;
  }

  /* --レスポンシブ footer---------------------- */
  .siteinfo__list a {
    font-size: 0.85rem;
  }

  .footer__copyright {
    font-size: 0.85rem;
  }
}