@import url("https://fonts.googleapis.com/css2?family=M+PLUS+U:wght@100..900&family=Shippori+Antique+B1&display=swap");
* {
  font-family: "Shippori Antique B1", sans-serif;
  font-weight: 400;
  font-style: normal;
}
.hero {
  position: relative;
  width: 100%;
  height: 100vh;

  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;

  width: 100%;
  height: 100%;

  object-fit: cover;

  transform: translate(-50%, -50%);
}

.overlay {
  position: absolute;
  inset: 0;

  background: rgba(0, 0, 0, 0.45);
}

.hero-content {
  position: relative;
  z-index: 3;
  height: 100%;

  display: flex;
  gap: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  img {
    width: 45%;
  }
  p {
    color: white;
    font-size: 30px;
    font-family: "Shippori Antique B1", sans-serif;
    font-weight: 400;
    font-style: normal;
    padding-inline: 20px;
  }
}
.rec-indicator {
  position: absolute;
  top: 50px;
  right: 50px;

  display: flex;
  align-items: center;
  gap: 10px;

  color: #37baba;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.rec-indicator .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #37baba;

  animation: recBlink 1.2s infinite;
}

@keyframes recBlink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.scroll-indicator {
  position: absolute;

  bottom: 40px;
  left: 50%;

  transform: translateX(-50%);

  display: flex;
  flex-direction: column;
  align-items: center;

  color: #37baba;
  font-family: "Shippori Antique B1", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.arrow {
  width: 1px;
  height: 50px;

  background: #37baba;

  margin-top: 10px;

  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    transform: translateY(0);
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  100% {
    transform: translateY(15px);
    opacity: 0;
  }
}

.hamburger {
  position: fixed;
  top: 60px;
  left: 60px;

  display: flex;
  flex-direction: column;
  gap: 6px;

  cursor: pointer;
  z-index: 1000;
}

.hamburger span {
  width: 40px;
  height: 3px;

  background: #fff;

  transition: 0.4s;
}

.hamburger p {
  color: #fff;
  font-size: 14px;

  margin-top: 4px;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.menu {
  position: fixed;

  top: 0;
  left: -100%;

  width: 100%;
  height: 100vh;

  background: #0b0f10;

  z-index: 999;

  transition: 0.5s;
}

.menu.active {
  left: 0;
}

.menu-inner {
  width: min(1200px, 90%);

  margin: auto;

  height: 100%;

  display: flex;
  flex-direction: column;
  justify-content: center;
  font-family: "M PLUS U", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
}
.menu h2 {
  font-size: 6rem;

  color: #37baba;

  margin-bottom: 4rem;
}

.menu ul {
  list-style: none;
}

.menu li {
  margin-bottom: 2rem;
  position: relative;
  transition: transform 0.3s ease;
}

.menu li::before {
  content: "";

  position: absolute;

  left: -80px;
  top: 50%;

  width: 50px;
  height: 2px;

  background: #37baba;

  transform: translateY(-50%) scaleX(0);
  transform-origin: left;

  transition: 0.3s ease;
}

.menu li:hover {
  transform: translateX(20px);
}

.menu li:hover::before {
  transform: translateY(-50%) scaleX(1);
}

.menu li a,
.menu li span {
  transition: 0.3s ease;
}

.menu li:hover a {
  color: #37baba;
}

.menu span {
  display: block;

  color: #37baba;

  font-size: 0.8rem;

  letter-spacing: 0.3em;
}

.menu a {
  color: white;

  text-decoration: none;

  font-size: clamp(2rem, 4vw, 4rem);

  transition: 0.3s;
}

.menu::before {
  content: "CHIHARECO";

  position: absolute;

  right: -100px;
  bottom: -100px;

  font-size: 15rem;

  font-weight: 900;

  opacity: 0;

  color: #37baba;
}

.menu.active::before {
  opacity: 0.03;
}
.about {
  position: relative;

  padding: 160px 10%;
  background: #0b0f10;

  overflow: hidden;
}

/* グリッド背景 */

.about::before {
  content: "";

  position: absolute;
  inset: 0;

  background-image:
    linear-gradient(rgba(55, 186, 186, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55, 186, 186, 0.05) 1px, transparent 1px);

  background-size: 40px 40px;

  pointer-events: none;
}

/* 発光 */

.about::after {
  content: "";

  position: absolute;

  width: 500px;
  height: 500px;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);

  background: #37baba;

  filter: blur(180px);

  opacity: 0.08;

  pointer-events: none;
}

.section-label {
  position: absolute;

  top: 60px;
  left: 10%;

  color: #37baba;

  font-size: 0.85rem;
  letter-spacing: 0.3em;
}

.about-container {
  position: relative;
  z-index: 1;

  max-width: 1000px;
  margin: 0 auto;
}

.about-header {
  margin-bottom: 80px;
}

.about-header h2 {
  color: #37baba;

  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;

  letter-spacing: 0.15em;
}

.about-header p {
  color: #9da6a8;

  margin-top: 10px;

  letter-spacing: 0.1em;
}

.about-content {
  display: flex;
  gap: 60px;
}

.about-line {
  width: 2px;
  min-height: 250px;

  background: #37baba;
}

.about-text {
  max-width: 650px;
}

.about-text p {
  color: #f5f5f5;

  font-size: 1.1rem;
  line-height: 2.2;

  margin-bottom: 30px;
}
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

.delay1 {
  transition-delay: 0s;
}

.delay2 {
  transition-delay: 0.4s;
}

.delay3 {
  transition-delay: 0.9s;
}
.about-sign {
  margin-left: auto;

  display: flex;
  flex-direction: column;
  justify-content: flex-end;

  gap: 10px;

  color: #37baba;

  text-align: right;

  font-size: 0.9rem;
  letter-spacing: 0.15em;
}

.profile {
  position: relative;

  padding: 100px 10%;
  background: #0b0f10;
}

.section-number {
  display: block;

  color: #37baba;

  font-size: 0.8rem;

  letter-spacing: 0.4em;

  margin-bottom: 1rem;
}

.profile-header h2 {
  font-size: clamp(3rem, 8vw, 6rem);

  color: #37baba;

  letter-spacing: 0.1em;
}

.profile-header p {
  color: #9da6a8;

  margin-top: 0.5rem;
  margin-bottom: 100px;
}
.profile-content {
  display: flex;
  align-items: start;
  gap: 80px;
}

.profile-image {
  flex: 1;
}

.profile-image img {
  margin-inline: auto;
  width: 80%;
  max-width: 600px;
  min-width: 280px;

  display: block;
}
.profile-info {
  font-family: "Shippori Antique B1", sans-serif;
  font-weight: 400;
  font-style: normal;
}
.profile-info h3 {
  font-size: 3rem;

  color: #fff;

  margin-bottom: 40px;
}
.profile-info h4 {
  font-size: 2rem;
  color: white;
  margin-bottom: 50px;
  line-height: 1.3;
}

.profile-info ul {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.profile-info li {
  color: white;
  display: flex;

  justify-content: space-between;

  padding-bottom: 12px;

  border-bottom: 1px solid rgba(55, 186, 186, 0.2);
}

.profile-info span {
  color: #37baba;

  letter-spacing: 0.15em;
}

.profile-text {
  margin-top: 40px;

  color: #ddd;

  line-height: 2;
}
.kousiki-page {
  margin-top: 3rem;
}

.kousiki-page a {
  position: relative;

  display: inline-flex;
  align-items: center;
  gap: 1rem;

  padding: 1rem 1.4rem;

  color: #37baba;
  text-decoration: none;

  border: 1px solid #37baba;

  font-size: 0.9rem;
  letter-spacing: 0.2em;

  overflow: hidden;

  transition: 0.3s ease;
}

/* 左上の装飾 */
.kousiki-page a::before {
  content: "";

  position: absolute;

  top: -1px;
  left: -1px;

  width: 20px;
  height: 20px;

  border-top: 2px solid #37baba;
  border-left: 2px solid #37baba;
}

/* 右下の装飾 */
.kousiki-page a::after {
  content: "";

  position: absolute;

  right: -1px;
  bottom: -1px;

  width: 20px;
  height: 20px;

  border-right: 2px solid #37baba;
  border-bottom: 2px solid #37baba;
}

/* ホバー */
.kousiki-page a:hover {
  background: rgba(55, 186, 186, 0.1);

  box-shadow:
    0 0 10px rgba(55, 186, 186, 0.3),
    0 0 20px rgba(55, 186, 186, 0.15);

  transform: translateY(-2px);
}

/* 矢印 */
.kousiki-page a::marker {
  display: none;
}

.latest-stream {
  position: relative;
  padding: 100px 10%;
  background: #0b0f10;
  overflow: hidden;
  font-family: "Shippori Antique B1", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.latest-stream::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(55, 186, 186, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55, 186, 186, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.latest-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.latest-header {
  margin-bottom: 70px;
}

.latest-header h2 {
  color: #37baba;
  font-size: clamp(2.8rem, 6vw, 5rem);
  letter-spacing: 0.12em;
}

.latest-header p {
  color: #9da6a8;
  margin-top: 10px;
  letter-spacing: 0.15em;
}

.latest-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}

.latest-thumb {
  position: relative;
  border: 1px solid rgba(55, 186, 186, 0.5);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(55, 186, 186, 0.12);
}

.latest-thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.latest-info {
  color: #fff;
}

.latest-date {
  color: #37baba;
  letter-spacing: 0.25em;
  font-size: 0.8rem;
}

.latest-info h3 {
  font-size: clamp(1.6rem, 3vw, 2.8rem);
  line-height: 1.4;
  margin: 20px 0;
}

.latest-info p {
  color: #cfd6d6;
  line-height: 2;
  margin-bottom: 35px;
}

.watch-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  color: #37baba;
  border: 1px solid #37baba;
  text-decoration: none;
  letter-spacing: 0.18em;
  transition: 0.3s;
}

.watch-btn:hover {
  background: rgba(55, 186, 186, 0.1);
  box-shadow: 0 0 18px rgba(55, 186, 186, 0.25);
}

.watch-btn span {
  transition: 0.3s;
}

.watch-btn:hover span {
  transform: translateX(6px);
}

.stream-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stream-card {
  border: 1px solid rgba(55, 186, 186, 0.25);
  background: rgba(255, 255, 255, 0.03);
  padding: 12px;
  transition: 0.3s;
  display: block;

  text-decoration: none;
}

.stream-card:hover {
  transform: translateY(-6px);
  border-color: #37baba;
}

.stream-card {
  position: relative;

  overflow: hidden;
}
.fade-latest-info {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.fade-latest-info.show {
  opacity: 1;
  transform: translateY(0);
}

.fade-stream-card {
  opacity: 0;
  transform: translateY(35px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.fade-stream-card.show {
  opacity: 1;
  transform: translateY(0);
}

.stream-card::after {
  content: "WATCH";

  position: absolute;

  inset: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(11, 15, 16, 0.8);

  color: #ff685d;

  letter-spacing: 0.2em;

  opacity: 0;

  transition: 0.3s;
}

.stream-card:hover::after {
  opacity: 1;
}
.stream-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.stream-card p {
  color: #fff;
  margin-top: 14px;
  line-height: 1.6;
}

.song-stream {
  padding: 100px 8%;
  background: #0b0f10;
  position: relative;
}

.song-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  border: 1px solid rgba(55, 186, 186, 0.35);
  padding: 60px 50px 80px;
  background: rgba(255, 255, 255, 0.03);
}

.song-record-counter {
  margin-top: 24px;
  text-align: center;
  color: #37baba;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.song-record-counter .current {
  color: #fff;
}
.section-title span {
  color: #37baba;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.section-title h2 {
  color: #fff;
  font-size: 2rem;
  margin: 8px 0 30px;
}

.song-card {
  position: relative;
  display: block;
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(55, 186, 186, 0.45);
  background: #101414;
  overflow: hidden;
}

.song-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.song-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  background: #37baba;
  color: white;
  font-size: 0.75rem;
  padding: 5px 12px;
}

.song-body {
  padding: 14px;
}

.song-body h3 {
  font-size: 0.95rem;
  line-height: 1.6;
}

.song-body p {
  margin-top: 8px;
  color: #cfd6d6;
  font-size: 0.8rem;
}

.song-button-prev,
.song-button-next {
  position: absolute;
  top: 55%;
  z-index: 5;
  color: #fff;
  font-size: 3rem;
  cursor: pointer;
}

.song-button-prev {
  left: 15px;
}
.song-button-next {
  right: 15px;
}

.song-pagination {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 25px;
  text-align: center;
}

.swiper-pagination-bullet {
  background: #fff;
  opacity: 0.35;
}

.swiper-pagination-bullet-active {
  background: #37baba;
  opacity: 1;
}

.song-header {
  margin-bottom: 40px;
}

.song-header h2 {
  color: #37baba;
  font-size: clamp(2.8rem, 6vw, 5rem);
  letter-spacing: 0.12em;
}
.song-header p {
  color: #9da6a8;
  margin-top: 10px;
  letter-spacing: 0.15em;
}

.works {
  position: relative;
  padding: 100px 8%;
  background: #0b0f10;
  overflow: hidden;
}

.works::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(55, 186, 186, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55, 186, 186, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.work-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.work-header {
  margin-bottom: 50px;
}

.work-header h2 {
  color: #37baba;
  font-size: clamp(2.8rem, 6vw, 5rem);
  letter-spacing: 0.12em;
}

.work-header h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(55, 186, 186, 0.45);
}

.work-header p {
  color: #9da6a8;
  margin-top: 10px;
  letter-spacing: 0.15em;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.work-card {
  position: relative;
  display: block;
  color: #fff;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(55, 186, 186, 0.35);
  overflow: hidden;
  transition: 0.3s ease;
}

.work-card:hover {
  transform: translateY(-8px);
  border-color: #37baba;
  box-shadow: 0 0 24px rgba(55, 186, 186, 0.18);
}

.work-card::before {
  content: "WORK RECORD";
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: #37baba;
  color: #071010;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 6px 12px;
}

.work-logo {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 22px;
}

.work-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.work-info {
  padding: 20px;
}

.work-info h3 {
  color: #fff;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.work-info p {
  color: #cfd6d6;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.work-info span {
  color: #37baba;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.works-more {
  margin-top: 50px;
  text-align: center;
}

.works-more-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;

  padding: 16px 34px;

  color: #37baba;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.15em;

  border: 1px solid rgba(55, 186, 186, 0.7);
  background: rgba(55, 186, 186, 0.04);

  overflow: hidden;
  transition: 0.3s ease;
}

.works-more-btn:hover {
  background: rgba(55, 186, 186, 0.12);
  box-shadow: 0 0 24px rgba(55, 186, 186, 0.2);
  transform: translateY(-3px);
}

.works-more-btn span {
  transition: 0.3s ease;
}

.works-more-btn:hover span {
  transform: translateX(8px);
}

.footer {
  position: relative;
  padding: 90px 8% 40px;
  background: #050808;
  border-top: 1px solid rgba(55, 186, 186, 0.35);
  overflow: hidden;
  font-family: "Shippori Antique B1", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.footer::before {
  content: "END RECORD";
  position: absolute;
  right: 5%;
  bottom: -20px;
  color: #37baba;
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  opacity: 0.04;
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-logo img {
  width: clamp(160px, 20vw, 260px);

  display: block;
}

.footer-logo p {
  color: #9da6a8;
  margin-top: 8px;
  margin-left: 20px;
  letter-spacing: 0.25em;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 32px;
  margin: 45px 0;
}

.footer-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: 0.3s;
}

.footer-nav a:hover {
  color: #37baba;
  text-shadow: 0 0 10px rgba(55, 186, 186, 0.6);
}

.footer-note {
  max-width: 760px;
  color: #9da6a8;
  font-size: 0.85rem;
  line-height: 1.9;
  margin-bottom: 35px;
}

.footer small {
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .hero-content p {
    font-size: 20px;
  }
  section {
    padding-left: 8%;
    padding-right: 8%;
  }

  .about,
  .profile,
  .latest-stream,
  .song-stream,
  .works {
    padding-top: 100px;
    padding-bottom: 100px;
  }

  .section-label {
    top: 40px;
    left: 8%;
  }

  h2 {
    word-break: keep-all;
  }
}