:root {
  --bg: #0b0b0d;
  --bg-soft: #15161a;
  --text: #f5f1ea;
  --text-muted: #c6bfb4;
  --line: rgba(255,255,255,0.08);
  --accent: #c18a3a;
  --accent-soft: rgba(193, 138, 58, 0.15);
  --max-width: 1180px;
  --shadow: 0 18px 40px rgba(0,0,0,.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(193,138,58,0.12), transparent 28%),
    linear-gradient(180deg, #0a0a0b 0%, #0d0f13 100%);
  line-height: 1.8;
}

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

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

.container {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
}

.narrow {
  width: min(100% - 40px, 860px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(7, 7, 9, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo,
.footer-logo {
  font-family: 'Zen Old Mincho', serif;
  letter-spacing: 0.08em;
}

.logo {
  font-size: 1.25rem;
}

.logo span {
  font-size: 0.95rem;
  opacity: 0.9;
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.global-nav a {
  position: relative;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.global-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.global-nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 76px;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  min-height: calc(100vh - 76px);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s ease, visibility 0.9s ease;
  background-position: center;
  background-size: cover;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
}

.slide-content {
  min-height: calc(100vh - 76px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.hero-kicker,
.section-en,
.coming-en {
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-kicker {
  margin: 0 0 14px;
  font-size: 0.85rem;
}

.slide h1 {
  margin: 0;
  font-family: 'Zen Old Mincho', serif;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: 0.08em;
}

.hero-copy {
  margin: 18px 0 0;
  font-size: clamp(1rem, 2vw, 1.4rem);
  line-height: 1.8;
  max-width: 680px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 14px 24px;
  margin-top: 28px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.btn-primary {
  background: var(--accent);
  color: #111;
}

.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
}

.dot.is-active {
  background: var(--accent);
}

.section {
  padding: 110px 0;
}

.section-heading {
  margin-bottom: 40px;
}

.section-en {
  margin: 0 0 10px;
  font-size: 0.85rem;
}

.section-heading h2 {
  margin: 0;
  font-family: 'Zen Old Mincho', serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 0.08em;
}

.section-lead {
  margin: 14px 0 0;
  color: var(--text-muted);
}

.instagram-card,
.about-box,
.subsc-box,
.coming-box,
.contact-box,
.music-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.instagram-card,
.about-box,
.subsc-box,
.coming-box,
.contact-box {
  padding: 32px;
}

.embed-placeholder {
  min-height: 320px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 18px;
  color: var(--text-muted);
}

.embed-placeholder p {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 1.1rem;
}

.about-box {
  font-size: 1.05rem;
}

.about-box p {
  margin: 0 0 24px;
}

.about-box p:last-child {
  margin-bottom: 0;
}

.music-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.music-card {
  overflow: hidden;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.music-body {
  padding: 22px 22px 26px;
}

.music-body h3,
.subsc-box h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.music-body p,
.subsc-box p,
.contact-box p {
  margin: 0;
  color: var(--text-muted);
}

.subsc-box {
  margin-top: 30px;
  text-align: center;
}

.coming-box {
  text-align: center;
  padding: 54px 32px;
}

.coming-en {
  margin: 0;
  font-size: 0.95rem;
}

.coming-ja {
  margin: 10px 0 0;
  font-family: 'Zen Old Mincho', serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.contact-box {
  text-align: center;
}

.mail-link {
  display: inline-block;
  margin-top: 16px;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  color: var(--accent);
  word-break: break-all;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.copyright {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.sp-only {
  display: none;
}

@media (max-width: 900px) {
  .music-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 68px;
  }

  .hero {
    padding-top: 68px;
  }

  .hero-slider,
  .slide-content {
    min-height: calc(100vh - 68px);
  }

  .menu-toggle {
    display: inline-block;
    position: relative;
    z-index: 1002;
  }

  .global-nav {
    position: fixed;
    inset: 68px 0 auto 0;
    background: rgba(7, 7, 9, 0.96);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .global-nav.is-open {
    transform: translateY(0);
  }

  .global-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 20px 18px;
  }

  .global-nav li {
    width: 100%;
  }

  .global-nav a {
    display: block;
    padding: 14px 0;
    width: 100%;
  }

  .slide-content {
    justify-content: flex-end;
    padding-bottom: 96px;
  }

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

  .section {
    padding: 84px 0;
  }

  .instagram-card,
  .about-box,
  .subsc-box,
  .coming-box,
  .contact-box {
    padding: 24px;
    border-radius: 20px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .sp-only {
    display: inline;
  }
}

@media (max-width: 768px) {
  .slide:nth-child(1) {
    background-image: 
      linear-gradient(rgba(10,10,10,.45), rgba(10,10,10,.55)),
      url('images/fv01-sp.jpg') !important;
  }

  .slide:nth-child(2) {
    background-image: 
      linear-gradient(rgba(10,10,10,.45), rgba(10,10,10,.55)),
      url('images/fv02-sp.jpg') !important;
  }

  .slide:nth-child(3) {
    background-image: 
      linear-gradient(rgba(10,10,10,.45), rgba(10,10,10,.55)),
      url('images/fv03-sp.jpg') !important;
  }
}