:root {
  --black: #050508;
  --ink: #f8f3ff;
  --muted: rgba(248, 243, 255, 0.74);
  --line: rgba(255, 255, 255, 0.2);
  --glass: rgba(255, 255, 255, 0.11);
  --glass-strong: rgba(255, 255, 255, 0.18);
  --pink: #ff9fe0;
  --cyan: #53ffe0;
  --blue: #54a8ff;
  --red: #ff3f70;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id],
main[id] {
  scroll-margin-top: 104px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(255, 63, 112, 0.2), transparent 26rem),
    radial-gradient(circle at 86% 12%, rgba(83, 255, 224, 0.18), transparent 28rem),
    linear-gradient(135deg, #040407 0%, #0a0712 48%, #050508 100%);
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  inset: 18px 22px auto;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 7, 12, 0.48);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand img {
  width: 116px;
  height: 42px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  color: rgba(255, 255, 255, 0.78);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.05rem;
}

.nav-links a,
.header-cta,
.text-link {
  transition: color 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.nav-links a:hover,
.text-link:hover {
  color: var(--pink);
}

.header-cta {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid rgba(255, 159, 224, 0.55);
  border-radius: 8px;
  color: #120913;
  background: linear-gradient(135deg, var(--pink), var(--cyan));
  font-weight: 900;
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mobile-menu {
  position: fixed;
  inset: 72px 10px auto;
  z-index: 11;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 7, 12, 0.94);
  box-shadow: var(--shadow);
}

.mobile-menu a,
.mobile-menu-close {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.mobile-menu-close {
  justify-content: flex-end;
  padding: 0 14px;
  background: transparent;
  color: var(--pink);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 94svh;
  display: flex;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image: url("assets/artist-blue-1600.webp");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 3, 6, 0.76), rgba(3, 3, 6, 0.12) 58%, rgba(3, 3, 6, 0.72));
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(180deg, rgba(3, 3, 6, 0.15), rgba(3, 3, 6, 0.2) 55%, #050508 100%);
}

.hero-content {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  padding: 160px 0 96px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 16px;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(5.4rem, 10vw, 9.5rem);
  line-height: 0.82;
  text-shadow: 0 0 24px rgba(255, 159, 224, 0.3);
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 5vw, 4.7rem);
  line-height: 1;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  line-height: 1.15;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2.2vw, 1.55rem);
  font-weight: 700;
  line-height: 1.7;
}

.hero-actions,
.live-heading,
.contact-layout {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.primary-button,
.ghost-button,
.live-card a,
.music-card,
.mail-link {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 900;
}

.primary-button,
.live-card a {
  padding: 0 24px;
  background: linear-gradient(135deg, var(--pink), var(--red));
  color: #fff;
  box-shadow: 0 16px 38px rgba(255, 63, 112, 0.22);
}

.ghost-button {
  padding: 0 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.1);
}

.compact {
  min-height: 46px;
}

.next-live {
  position: absolute;
  right: 24px;
  bottom: 28px;
  width: min(320px, calc(100% - 48px));
}

.glass-panel,
.live-card,
.news-list article,
.social-grid a,
.video-frame,
.mail-link {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.105);
  box-shadow: var(--shadow);
}

.next-live {
  backdrop-filter: blur(16px);
}

.next-live {
  padding: 18px;
  border-radius: 8px;
}

.next-live span,
.live-card time,
.profile-card span,
.music-card span,
.music-card em,
.news-list time {
  color: var(--cyan);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.15rem;
  font-style: normal;
}

.next-live strong {
  display: block;
  margin: 4px 0 12px;
  font-size: 1.3rem;
}

.next-live a,
.text-link {
  color: var(--pink);
  font-weight: 900;
}

.section,
.section-band {
  padding: clamp(72px, 9vw, 130px) 0;
}

.section-band {
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
}

.section-inner {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
}

.intro-grid,
.music-layout,
.video-grid,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 70px);
  align-items: center;
}

.intro p,
.music-layout p,
.video-grid p,
.profile-card p,
.news-list p,
.live-card p {
  color: var(--muted);
  line-height: 1.9;
}

.section-heading {
  margin-bottom: 30px;
}

.profile-layout,
.live-list,
.news-list,
.social-grid {
  display: grid;
  gap: 16px;
}

.profile-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.profile-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.profile-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.profile-card div {
  padding: 22px;
}

.live-heading {
  justify-content: space-between;
}

.live-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.live-card,
.news-list article {
  min-height: 230px;
  padding: 24px;
  border-radius: 8px;
}

.featured-live {
  background:
    linear-gradient(135deg, rgba(255, 159, 224, 0.22), rgba(83, 255, 224, 0.11)),
    var(--glass-strong);
}

.live-card a {
  width: 100%;
  margin-top: 18px;
}

.live-card a.live-access-link {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.news-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.music-card {
  min-height: 220px;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px;
  border: 1px solid rgba(255, 159, 224, 0.45);
  background:
    linear-gradient(135deg, rgba(255, 159, 224, 0.2), rgba(84, 168, 255, 0.16)),
    var(--glass);
}

.music-card strong {
  margin: 14px 0 10px;
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  line-height: 1;
}

.goods-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid rgba(255, 159, 224, 0.38);
  border-radius: 8px;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 159, 224, 0.2), transparent 24rem),
    radial-gradient(circle at 12% 88%, rgba(83, 255, 224, 0.12), transparent 22rem),
    rgba(255, 255, 255, 0.075);
  box-shadow: var(--shadow);
}

.goods-copy {
  min-width: 0;
}

.goods-copy h2 {
  font-size: clamp(2.35rem, 3.2vw, 3.2rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.goods-copy h2 span {
  display: block;
}

.goods-copy h2 span + span {
  margin-top: 8px;
}

.goods-copy p:not(.section-kicker) {
  max-width: 34rem;
  margin-bottom: 26px;
  color: var(--muted);
  line-height: 1.9;
}

.goods-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sticker-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.sticker-item {
  display: grid;
  place-items: center;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 370 / 320;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.035) 72%);
  transition: transform 180ms ease, border-color 180ms ease;
}

.sticker-item:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 159, 224, 0.52);
}

.sticker-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
}

.video-thumbnail-link {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.video-thumbnail-link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(4, 4, 7, 0.78));
  transition: background 180ms ease;
}

.video-thumbnail-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 240ms ease;
}

.video-thumbnail-link:hover img {
  transform: scale(1.025);
}

.video-thumbnail-link:hover::after {
  background: linear-gradient(180deg, rgba(255, 159, 224, 0.08), rgba(4, 4, 7, 0.8));
}

.video-play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: 76px;
  height: 54px;
  border-radius: 14px;
  background: var(--red);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.42);
  transform: translate(-50%, -50%);
}

.video-play-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 52%;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 17px solid #fff;
  transform: translate(-50%, -50%);
}

.video-thumbnail-link strong {
  position: absolute;
  right: 20px;
  bottom: 16px;
  z-index: 1;
  color: #fff;
  font-size: 0.95rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

.social-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.social-grid a {
  min-height: 74px;
  display: flex;
  align-items: center;
  padding: 18px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
}

.social-grid a:hover,
.ghost-button:hover,
.primary-button:hover,
.live-card a:hover,
.music-card:hover,
.mail-link:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.contact-section {
  padding-bottom: 72px;
}

.mail-link {
  min-height: 72px;
  padding: 0 28px;
  color: var(--pink);
  font-size: clamp(1.05rem, 3vw, 1.8rem);
}

.site-footer {
  display: flex;
  min-height: 120px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.58);
}

.site-footer img {
  width: 132px;
  height: 52px;
  object-fit: contain;
}

@media (max-width: 860px) {
  .site-header {
    inset: 10px 10px auto;
    grid-template-columns: auto 1fr auto auto;
    gap: 10px;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-menu:not([hidden]) {
    display: flex;
  }

  .brand img {
    width: 106px;
  }

  .hero {
    min-height: 92svh;
  }

  .hero-bg {
    background-position: 58% center;
  }

  .hero-content {
    width: min(100% - 28px, 720px);
    padding: 132px 0 150px;
  }

  .hero-actions a {
    flex: 1 1 180px;
  }

  .next-live {
    left: 14px;
    right: 14px;
    bottom: 18px;
    width: auto;
  }

  .section-inner {
    width: min(100% - 28px, 720px);
  }

  .intro-grid,
  .music-layout,
  .video-grid,
  .contact-layout,
  .profile-layout,
  .live-list,
  .news-list {
    grid-template-columns: 1fr;
  }

  .goods-panel {
    grid-template-columns: 1fr;
  }

  .social-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  section[id],
  main[id] {
    scroll-margin-top: 88px;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.88rem;
  }

  h1 {
    font-size: clamp(4.4rem, 20vw, 6.4rem);
  }

  .hero-copy {
    font-size: 1rem;
  }

  .primary-button,
  .ghost-button {
    width: 100%;
  }

  .goods-panel {
    overflow: visible;
    padding-inline: 18px;
  }

  .sticker-showcase {
    display: flex;
    gap: 12px;
    margin-inline: -18px;
    padding: 2px 18px 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .sticker-item {
    flex: 0 0 min(72vw, 270px);
    scroll-snap-align: center;
  }

  .social-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    justify-content: center;
  }
}