@charset "UTF-8";
html {
  font-size: 62.5%;
}
@media screen and (min-width: 768px) {
  html {
    font-size: 70%;
  }
}

.fc-r {
  color: #0044ff !important;
}

.fc-g {
  color: #ffffff !important;
}

.bg-b {
  background: #0044ff;
}

a {
  color: #ff891a !important;
  text-decoration: underline !important;
}

.border-blue {
  border-color: #0044ff;
}

.notice {
  color: #3d3d3d !important;
  font-size: 1rem;
  line-height: 1.8;
}

.separater {
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  height: 1px;
  background: #1b1b1b;
}

body {
  width: 100%;
  font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
  font-style: normal;
  font-size: 14px;
  font-size: 1.4em;
  font-weight: 500;
  background: #ffffff;
  color: #0044ff;
  line-height: 1.75;
  position: relative;
}
body::before {
  content: "";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: url("../images/all_bg.png") center top no-repeat;
  background-size: cover;
  z-index: -1;
}

.youtube {
  width: 100%;
  max-width: 600px;
  aspect-ratio: 16/9;
}

.youtube iframe {
  width: 100%;
  height: 100%;
}

#container-header {
  width: 100%;
  height: 95vh;
  height: 95dvh;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 0 10vw;
  background: url("../images/sp_header_bg.png") center/cover no-repeat;
}
@media screen and (min-width: 992px) {
  #container-header {
    background: url("../images/header_bg.png") center/cover no-repeat;
    height: auto;
    aspect-ratio: 16/9;
    align-items: center;
    padding: 0;
  }
}
#container-header #logo-event {
  width: 100vw;
  height: 100vw;
  max-width: 600px;
  max-height: 600px;
}
#container-header #logo-cave {
  width: 15vw;
  height: 15vw;
  max-width: 80px;
  max-height: 80px;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 5;
}

#header-date {
  height: 5vh;
  height: 5dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  background: #ff00b3;
  z-index: 5;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}
@media screen and (min-width: 768px) {
  #header-date {
    font-size: 1.5rem;
    letter-spacing: 0.12em;
  }
}

article {
  width: 100%;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.25);
  padding: 4rem 0 5rem;
}
@media screen and (min-width: 768px) {
  article {
    padding: 5rem 0;
  }
}
article section {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}
article section .box-content {
  width: 90%;
  margin: 0 auto;
  padding: 0 0 2rem 0;
}
@media screen and (min-width: 768px) {
  article section .box-content {
    padding: 0 0 3rem 0;
  }
}
article section .box-content h2 {
  width: 80%;
  max-width: 400px;
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  background-color: #0044ff;
  padding: 0.8rem 1.2rem;
  text-align: center;
  position: relative;
  margin: 0 auto 2.5rem;
  letter-spacing: 0.15em;
}
@media screen and (min-width: 768px) {
  article section .box-content h2 {
    font-size: 2.4rem;
    padding: 1rem 1.5rem;
    margin: 0 auto 3rem;
  }
}
article section .box-content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  width: 100%;
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  color: #0044ff;
  position: relative;
  border-bottom: solid 2px #0044ff;
}
@media screen and (min-width: 768px) {
  article section .box-content h3 {
    font-size: 1.8rem;
    margin: 0 0 2rem;
    padding-bottom: 0.6rem;
  }
}
article section .box-content h4 {
  font-size: 1.4rem;
  font-weight: 700;
  padding: 0.3em 0.6em;
  margin: 0 0 0.5rem;
  color: #0044ff;
  border-left: 4px solid #0044ff;
}
@media screen and (min-width: 768px) {
  article section .box-content h4 {
    font-size: 1.6rem;
  }
}
article section .box-content p {
  width: 100%;
  font-size: 1.3rem;
}
@media screen and (min-width: 768px) {
  article section .box-content p {
    font-size: 1.4rem;
  }
}
article section .box-content .coming_soon {
  width: 80%;
  max-width: 400px;
  padding: 1rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  font-size: 2rem;
  background: #0044ff;
  color: #6c6c6c;
  border: 1px solid #6c6c6c;
}
article section .box-content .img-container {
  width: 100%;
  max-width: 360px;
  background: rgba(0, 0, 0, 0.15);
  padding: 0.5rem;
  flex-shrink: 0;
}
@media screen and (min-width: 992px) {
  article section .box-content .img-container {
    width: 50%;
    max-width: none;
  }
}

footer {
  width: 100%;
  background-color: #1b1b1b;
}
footer #box-footer_content {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}
footer #box-footer_content #logo-cave,
footer #box-footer_content #logo-touhou {
  width: auto;
  height: 16vw !important;
  max-height: 100px !important;
  margin: 0 auto;
}
footer #box-footer_content #logo-cave img,
footer #box-footer_content #logo-touhou img {
  height: 16vw !important;
  max-height: 100px !important;
}
footer #box-footer_content #text-link {
  text-align: center;
}
footer #box-footer_content #text-link a {
  font-size: 1.1rem;
  color: #ffffff !important;
  text-decoration: underline;
  display: inline-block;
  font-weight: 400;
  margin-right: 0.5em;
}
@media screen and (min-width: 768px) {
  footer #box-footer_content #text-link a {
    font-size: 1.2rem;
    margin-right: 1em;
  }
}
footer #box-footer_content .copylight {
  font-size: 1rem;
  color: #6c6c6c;
  display: block;
  font-weight: 400;
  margin-top: 0.5rem;
  text-align: center;
}

#totop {
  width: 12vw;
  height: 12vw;
  max-width: 80px;
  max-height: 80px;
  position: fixed;
  display: block;
  right: 0;
  bottom: 0;
  z-index: 10;
  transform: translateX(12vw);
  transition: all 0.2s ease-out;
}
#totop.show {
  transform: translateX(0);
}

#countdown {
  text-align: center;
}

/* ベース */
.track-title {
  position: relative;
  overflow: hidden;
  min-width: 0;
  color: #1b1b1b;
}

.track-text {
  display: inline-block;
  white-space: nowrap;
  color: #1b1b1b;
}

/* フェードはオーバーフロー時のみ */
.track-title.is-overflowing::before,
.track-title.is-overflowing::after {
  content: "";
  position: absolute;
  top: 0;
  width: 24px;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.track-title.is-overflowing::before {
  left: 0;
  background: linear-gradient(to right, rgb(255, 255, 255), rgba(255, 255, 255, 0));
}

.track-title.is-overflowing::after {
  right: 0;
  background: linear-gradient(to left, rgb(255, 255, 255), rgba(255, 255, 255, 0));
}

/* 走行レーン（内側を左右に流す） */
.marquee {
  display: flex;
  width: -moz-max-content;
  width: max-content;
  white-space: nowrap;
  will-change: transform;
  animation: marquee var(--marquee-duration, 8s) linear infinite;
}

/* reduce motion 配慮 */
@media (prefers-reduced-motion: reduce) {
  .marquee {
    animation: none !important;
  }
}
@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(var(--seg) * -1));
  }
}/*# sourceMappingURL=style.css.map */