/* YUKI / 佑樹 mobile stylesheet - no important flags */
:root {
  --bg: #050505;
  --text: #f7f1e8;
  --muted: rgba(247,241,232,.72);
  --gold: #d7b967;
  --gold-bright: #f1d88a;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }
html { background: #000; overflow-x: hidden; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: hidden;
  background: #050505;
  color: var(--text);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, video, iframe, audio { max-width: 100%; height: auto; }
.page-glow, .hero-light { display: none; }

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding: 14px 18px;
  background: rgba(7,8,8,.96);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand-button {
  position: relative;
  display: block;
  width: 158px;
  height: 48px;
  color: var(--text);
  font-family: var(--serif);
  overflow: hidden;
}
.brand-button span,
.brand-chara { display: none; }
.brand-button::before,
.brand-button::after { position: absolute; left: 2px; white-space: nowrap; }
.brand-button::before { content: "YUKI / 佑樹"; top: 6px; font-size: 18.5px; font-weight: 700; letter-spacing: .025em; }
.brand-button::after { content: "Official Site"; top: 33px; left: 10px; color: var(--gold); font-size: 9.6px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.menu-toggle {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  padding: 12px;
  border: 0;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  color: var(--text);
}
.menu-toggle span { display:block; width:24px; height:2px; margin:3px 0; background: currentColor; border-radius:999px; }
.nav { display:none; position:absolute; left:0; right:0; top:70px; padding:14px 22px 20px; background:#050505; border-bottom:1px solid rgba(255,255,255,.08); }
.nav.active { display:flex; flex-direction:column; }
.nav a { padding:12px 0; border-bottom:1px solid rgba(255,255,255,.08); font-family:var(--serif); font-size:1.08rem; font-weight:700; letter-spacing:.07em; }
.nav-fanclub { color: var(--gold); }
.header-social {
  position: absolute;
  right: 78px;
  top: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-social__link {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  background: rgba(255,255,255,.045);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0;
}
.header-social__link::before { font-size: 13px; font-weight: 800; line-height: 1; }
.header-social__link--x::before { content: "X"; }
.header-social__link--youtube::before { content: "▶"; }
.header-social__link--tiktok::before { content: "♪"; }

main { padding-top: 0; }
.page-hero + main { min-height: auto; }
.hero,
.page-hero {
  position: relative;
  min-height: 58svh;
  display: grid;
  place-items: center;
  padding: 56px 18px;
  text-align: center;
  background: #050505;
  overflow: hidden;
}
.hero { position: relative; min-height: 72svh; background: #000; }
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(0,0,0,.42), rgba(0,0,0,.7)), url("images/top.jpg");
  background-size: cover;
  background-position: 72% center;
}
.hero-bg::before,
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: 68% center;
  opacity: 0;
  animation: mobileHeroFade 20s ease-in-out infinite;
}
.hero-bg::before { background-image: linear-gradient(180deg, rgba(0,0,0,.4), rgba(0,0,0,.66)), url("images/index%20ver2.jpg"); }
.hero-bg::after { background-image: linear-gradient(180deg, rgba(0,0,0,.42), rgba(0,0,0,.7)), url("images/top.jpg"); animation-delay: 10s; }
.hero__content { position: relative; z-index: 2; width: min(100%, 680px); }
.page-hero .hero-light { display: none; }
.hero h1,
.page-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 16vw, 6rem);
  line-height: .95;
  letter-spacing: .04em;
}
.hero h1 { display: flex; justify-content: center; align-items: baseline; flex-wrap: wrap; gap: .18em; }
.jp-name, .nav-fanclub { color: var(--gold); }
.slash { color: rgba(247,241,232,.45); }
.hero-catch,
.page-subtitle { margin: 18px 0 0; color: var(--muted); font-weight:700; letter-spacing:.12em; line-height:1.7; }
.hero__meta { display: none; }

.results-bar { padding: 0; border-block:1px solid rgba(215,185,103,.16); background:#090005; overflow:hidden; }
.results-track { display:flex; width:max-content; gap:34px; padding:3px 0; animation: mobileTicker 34s linear infinite; }
.results-track span { flex:0 0 auto; white-space:nowrap; font-size:.86rem; color:var(--muted); font-weight:700; letter-spacing:.08em; }

section { padding: 54px 18px; }
.section-title, .index-section-title, .music h2, .social h2, .store-final h2 {
  margin:0 0 28px;
  text-align:center;
  font-family:var(--serif);
  font-size: clamp(2rem, 10vw, 3.4rem);
}
.achievement-grid, .track-grid, .social__links, .goods-grid, .disc-grid { width:min(100%,820px); margin:0 auto; }
.page-hero + main > .news-list,
.page-hero + main > .live-list,
.page-hero + main > .biography-list { padding:36px 18px 48px; }
.achievement-grid, .track-grid, .goods-grid, .disc-grid { display:grid; gap:28px; }
.achievement-item, .news-item, .live-item, .biography-item, .video-card, .preview-player__inner { padding:18px 0; border-top:1px solid rgba(255,255,255,.1); background:transparent; box-shadow:none; }
.news-tag, .live-tag, .biography-tag { display: none; }
.number, .news-date, .live-date, .biography-date { color:var(--gold); font-weight:700; letter-spacing:.1em; }
.achievement-label, .news-title, .live-title, .biography-title { margin:8px 0 0; color:var(--muted); font-size:clamp(1rem,4.4vw,1.14rem); font-weight:600; line-height:1.72; }
.video-frame, .song-video-frame { position: relative; aspect-ratio:16/9; background:#000; overflow: hidden; }
.video-frame { background: url("images/sakayume.jpg") center / cover no-repeat; }
.featured-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-frame iframe, .song-video-frame iframe { width:100%; height:100%; border:0; }
.track-card__image, .goods-card__image { aspect-ratio:1/1; overflow:hidden; background:rgba(255,255,255,.04); }
.track-card__image img, .goods-card__image img { width:100%; height:100%; object-fit:cover; display:block; }
.track-card__index, .track-card__type, .goods-category { display:none; }
.track-card h3, .goods-card h3 { margin:12px 0 0; font-family:var(--serif); font-size:1.35rem; }
.track-card[href*="BE-TRIP"] h3 { font-size:1.35rem; letter-spacing:.03em; }
.upright-hyphen { display:inline-block; font-family:var(--sans); font-style:normal; transform:none; }
.index-action-row, .music-footer, .video-cta, .store-final { text-align:center; }
.index-text-link, .button.main-cta { display:inline-block; margin-top:24px; color:var(--gold); font-family:var(--serif); font-size:1.35rem; font-style:italic; font-weight:700; transform:skew(-8deg); }

.lyrics p, .profile-text p, .discography-list li { color: var(--muted); font-size: 1rem; line-height: 1.95; letter-spacing: .04em; }
.profile-links {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(215,185,103,.18);
}
.profile-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: min(100%, 320px);
  min-height: 52px;
  margin: 0 auto;
  padding: 14px 20px;
  border: 1px solid rgba(215,185,103,.42);
  border-radius: 999px;
  background: rgba(215,185,103,.06);
  color: var(--gold-bright);
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}
.profile-link::after {
  content: ">";
  font-size: .95em;
  line-height: 1;
  transform: translateY(-1px);
}
.contact-section { width:min(100%,820px); margin:0 auto; }
.contact-form { display:grid; gap:20px; width:100%; }
.form-group { display:grid; gap:10px; }
.form-group label { color:rgba(247,241,232,.82); font-size:1rem; letter-spacing:.04em; }
.form-group input,
.form-group textarea,
.form-group select {
  width:100%;
  padding:15px 16px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:22px;
  background:#090509;
  color:var(--text);
  appearance:auto;
  pointer-events:auto;
  user-select:text;
  position:relative;
  z-index:2;
}
.form-group textarea { min-height:160px; resize:vertical; }
.preview-player__inner { border-radius: 22px; }
.preview-player h2 { margin: 0 0 24px; text-align: center; font-family: var(--serif); font-size: clamp(1.55rem, 7vw, 2.35rem); overflow-wrap: anywhere; }
.preview-player audio { width: 100%; }
.store-final h2,
.store-final p { display: none; }
body:not(.store-page) .preview-player ~ .store-final::before { content: none; display: none; }
body:not(.store-page) .preview-player ~ .store-final .button.main-cta[href="songs.html"] { display: none; }
body:not(.store-page) .store-final .button.main-cta + .button.main-cta,
body:not(.store-page) .store-final .button.main-cta + .button.main-cta::before { display: none; content: none; }
body:not(.store-page) .store-final .button.main-cta::after { content: "Tunecoreへ進む"; font-size: 1.35rem; }
.store-page .store-final .button.main-cta::after { content: "Baseへ進む"; font-size: 1.35rem; }
.store-final .button.main-cta { font-size: 0; }

.social__links { display:flex; justify-content:center; flex-wrap:wrap; gap:12px; }
.social-link { display:inline-grid; place-items:center; min-width:54px; height:54px; padding:0 16px; border:1px solid rgba(255,255,255,.16); border-radius:999px; background:rgba(255,255,255,.04); font-weight:700; }
.footer { padding:34px 18px; text-align:center; color:rgba(247,241,232,.52); font-size:.82rem; }
.reveal { opacity:1; transform:none; }

@keyframes mobileHeroFade { 0%, 10% { opacity: 0; } 18%, 48% { opacity: 1; } 58%, 100% { opacity: 0; } }
@keyframes mobileTicker { 0% { transform: translate3d(0,0,0); } 100% { transform: translate3d(-50%,0,0); } }

.profile-page, .profile-visual, .profile-biography, .biography-page, .contact-page, .contact-section, .lyrics-section, .lyrics, .cinematic-lyrics { background: transparent; box-shadow: none; }
.profile-visual img { box-shadow: none; filter: none; opacity: 1; mix-blend-mode: normal; }
.biography-page .news-title { color: rgba(247,241,232,.94); }
.biography-page .news-date { color: var(--gold-bright); }
.contact-form, .contact-form * { position: relative; z-index: 2; }

.contact-page-body .page-glow, .contact-page-body .hero-light { display: none; }
.contact-page-body .contact-hero, .contact-page-body .contact-section, .contact-page-body .contact-form { background: transparent; box-shadow: none; }
.contact-page-body .form-group input, .contact-page-body .form-group textarea, .contact-page-body .form-group select { box-shadow: none; }

.discography-block + .discography-block { margin-top: 34px; padding-top: 28px; border-top: 1px solid rgba(215,185,103,.18); }