/* =======================================================================
   DANCE LOTZ — stylesheet
   Design source: design-source/DANCE LOTZ.dc.html (Claude Design export)
   Tokens (accent / motion / photo mood) below mirror the values chosen
   in that design file's properties panel.
   ======================================================================= */

:root {
  --bg: #050505;
  --bg-alt: #0d0d0d;
  --bg-footer: #0a0a0a;
  --text: #eef2f5;
  --text-soft: #c7d2db;
  --text-dim: #999999;
  --text-faint: #666666;
  --border: rgba(255, 255, 255, 0.12);
  --border-soft: rgba(255, 255, 255, 0.08);

  --accent: #3da9ff;
  --accent-dark: #04121f;
  --accent-faint: rgba(61, 169, 255, 0.06);

  --header-h: 76px;
}

/* ---------- reset / base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: #fff; }

/* ---------- keyframes ---------- */
@keyframes lotzmarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes lotzkenburns { from { transform: scale(1); } to { transform: scale(1.12); } }
@keyframes lotzpulse { 0%, 100% { transform: rotate(-10deg) scale(1); } 50% { transform: rotate(-10deg) scale(1.08); } }
@keyframes lotzfloat { 0%, 100% { transform: translateY(0px); } 50% { transform: translateY(-8px); } }

/* ---------- grain texture overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 48px);
  background: rgba(5, 5, 5, 0);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(10px);
  transition: background 0.3s;
}
.site-header.is-scrolled { background: rgba(5, 5, 5, 0.92); }

.site-header__logo { display: flex; align-items: center; }
.site-header__logo img { height: 30px; width: auto; }

.site-header__right { display: flex; align-items: center; gap: 32px; }

.nav-desktop { display: flex; gap: 26px; }
.nav-desktop a {
  font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: var(--text);
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  transition: border-color 0.25s, color 0.25s;
}
.nav-desktop a:hover { border-color: var(--accent); color: var(--accent); }

.btn-header {
  font-size: 13px; font-weight: 900; letter-spacing: 1px;
  color: #050505; background: var(--accent);
  padding: 12px 22px; border-radius: 2px; white-space: nowrap;
  transition: transform 0.25s ease;
  display: inline-block;
}
.btn-header:hover { transform: translateY(-2px); color: #050505; }

.hamburger {
  display: flex; flex-direction: column; gap: 5px; width: 28px;
  background: none; border: none; cursor: pointer; padding: 0;
}
.hamburger span { width: 100%; height: 2px; background: #f2f0ec; display: block; }
.hamburger span:last-child { width: 70%; }

@media (max-width: 860px) {
  .nav-desktop, .btn-header { display: none !important; }
}
@media (min-width: 861px) {
  .hamburger { display: none !important; }
}

/* ---------- mobile full-screen nav ---------- */
.mobile-nav {
  position: fixed; inset: 0; z-index: 300;
  background: #050505;
  display: none;
  flex-direction: column; align-items: center; justify-content: center; gap: 32px;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav__close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: var(--text); font-size: 32px; cursor: pointer;
}
.mobile-nav a { font-family: "Anton", sans-serif; font-size: 32px; color: var(--text); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  padding: 140px clamp(20px, 6vw, 80px) 100px;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(100%) contrast(115%);
  animation: lotzkenburns 16s ease-in-out infinite alternate;
}
.hero__tint {
  position: absolute; inset: 0; background: var(--accent);
  mix-blend-mode: multiply; opacity: 0.32; pointer-events: none;
}
.hero__fade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,5,5,0.4) 0%, rgba(5,5,5,0.6) 55%, #050505 100%);
  pointer-events: none;
}
.hero__content { position: relative; z-index: 3; max-width: 760px; width: 100%; }
.hero__content h1 {
  font-family: "Anton", sans-serif;
  font-size: clamp(34px, 7vw, 88px);
  line-height: 1.15;
  margin: 0 0 28px;
  color: var(--text);
  letter-spacing: 1px;
  overflow-wrap: break-word;
  word-break: normal;
  max-width: 100%;
}
.hero__content p {
  font-size: clamp(15px, 1.6vw, 18px); font-weight: 500;
  color: var(--text-soft); margin: 0 0 40px; line-height: 1.8; max-width: 480px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent); color: #050505;
  font-weight: 900; font-size: 15px; letter-spacing: 1px;
  padding: 18px 32px; border-radius: 2px;
  transition: transform 0.25s ease;
  display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); color: #050505; }

.btn-outline {
  border: 2px solid #f2f0ec; color: var(--text);
  font-weight: 700; font-size: 15px; letter-spacing: 1px;
  padding: 16px 30px; border-radius: 2px;
  transition: transform 0.25s ease;
  display: inline-block;
}
.btn-outline:hover { transform: translateY(-2px); color: var(--text); }

/* ---------- torn-edge zigzag dividers ---------- */
.zigzag-down {
  height: 34px; background: var(--accent);
  clip-path: polygon(0% 100%,5% 30%,10% 100%,15% 30%,20% 100%,25% 30%,30% 100%,35% 30%,40% 100%,45% 30%,50% 100%,55% 30%,60% 100%,65% 30%,70% 100%,75% 30%,80% 100%,85% 30%,90% 100%,95% 30%,100% 100%,100% 0%,0% 0%);
  margin-bottom: -1px; position: relative; z-index: 2;
}
.zigzag-up {
  height: 34px; background: var(--bg);
  clip-path: polygon(0% 0%,5% 70%,10% 0%,15% 70%,20% 0%,25% 70%,30% 0%,35% 70%,40% 0%,45% 70%,50% 0%,55% 70%,60% 0%,65% 70%,70% 0%,75% 70%,80% 0%,85% 70%,90% 0%,95% 70%,100% 0%,100% 100%,0% 100%);
  margin-top: -1px; position: relative; z-index: 2;
}
.zigzag-up--footer {
  height: 30px; background: var(--bg-footer);
  clip-path: polygon(0% 0%,5% 65%,10% 0%,15% 65%,20% 0%,25% 65%,30% 0%,35% 65%,40% 0%,45% 65%,50% 0%,55% 65%,60% 0%,65% 65%,70% 0%,75% 65%,80% 0%,85% 65%,90% 0%,95% 65%,100% 0%,100% 100%,0% 100%);
  margin-top: -1px;
}

/* ---------- ticker ---------- */
.ticker { background: var(--bg); padding: 14px 0; overflow: hidden; white-space: nowrap; border-bottom: 1px solid var(--border-soft); }
.ticker__track { display: inline-flex; animation: lotzmarquee 22s linear infinite; }
.ticker__track span { font-family: "Anton", sans-serif; font-size: 18px; letter-spacing: 3px; color: rgba(255,255,255,0.5); padding-right: 36px; }

/* ---------- trust strip ---------- */
.trust { background: var(--accent); padding: 32px clamp(20px, 4vw, 48px) 44px; }
.trust__inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.trust__item { text-align: center; flex: 1; min-width: 160px; }
.trust__num { font-family: "Anton", "Noto Sans JP", sans-serif; font-weight: 900; font-size: 28px; color: #050505; margin-bottom: 4px; }
.trust__label { font-size: 13px; font-weight: 700; color: var(--accent-dark); }

/* ---------- generic section shell ---------- */
.section { position: relative; padding: 100px clamp(20px, 6vw, 80px) 120px; overflow: hidden; }
.section--alt { background: var(--bg-alt); }
.section__ghost {
  position: absolute; top: -10px; left: 0; right: 0; text-align: center;
  font-family: "Anton", sans-serif; font-size: clamp(80px, 18vw, 220px);
  color: rgba(255,255,255,0.035); letter-spacing: 4px; white-space: nowrap;
  pointer-events: none; z-index: 0;
}
.section__inner { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; }
.section__head { text-align: center; margin-bottom: 64px; }
.section__eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 4px; color: var(--accent); margin-bottom: 16px; }
.section__title { font-family: "Anton", sans-serif; font-size: clamp(30px, 5vw, 48px); margin: 0; }

/* ---------- about / reasons ---------- */
.reason-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.reason-card { border: 1px solid var(--border); padding: 40px 28px; border-radius: 2px; background: rgba(255,255,255,0.02); }
.reason-card__num {
  width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: "Anton", sans-serif; font-size: 20px; color: var(--accent); margin-bottom: 24px;
}
.reason-card__title { font-weight: 900; font-size: 19px; margin-bottom: 12px; }
.reason-card__desc { font-size: 14px; color: var(--text-dim); line-height: 1.8; }

/* ---------- team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.team-card { display: block; position: relative; text-decoration: none; }
.team-card__badge {
  position: absolute; top: 12px; right: 12px; z-index: 2; width: 58px; height: 58px;
  border-radius: 50%; border: 2px double var(--accent); background: rgba(5,5,5,0.75);
  display: flex; align-items: center; justify-content: center;
  animation: lotzpulse 2.6s ease-in-out infinite;
}
.team-card__badge span { font-family: "Anton", sans-serif; font-size: 12px; color: var(--accent); }
.team-card__photo { width: 100%; height: 300px; overflow: hidden; position: relative; }
.team-card__photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0%) contrast(105%);
  transition: filter 0.4s;
}
.team-card:hover .team-card__photo img { filter: grayscale(0%) contrast(105%) brightness(1.05); }
.team-card__info { padding: 16px 4px; }
.team-card__name { font-weight: 900; font-size: 17px; color: var(--text); }
.team-card__genre { font-size: 12px; color: var(--accent); letter-spacing: 1px; margin-top: 4px; }

.team-follow {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  background: var(--accent); border-radius: 2px; padding: 40px 20px; min-height: 300px;
}
.team-follow__title { font-family: "Anton", sans-serif; font-size: 22px; color: #050505; margin-bottom: 12px; }
.team-follow__sub { font-size: 14px; font-weight: 700; color: var(--accent-dark); }

@media (max-width: 760px) {
  .reason-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .team-grid { grid-template-columns: 1fr; }
}

/* ---------- lesson schedule ---------- */
.lesson-head { max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 6vw, 80px); position: relative; z-index: 1; }
.lesson-scroll {
  position: relative; z-index: 1; display: flex; gap: 16px; overflow-x: auto;
  padding: 4px clamp(20px, 6vw, 80px) 24px; scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.lesson-card {
  flex: 0 0 240px; scroll-snap-align: start;
  border: 1px solid var(--border); border-radius: 2px; padding: 22px; background: rgba(255,255,255,0.02);
}
.lesson-card__meta { font-size: 12px; letter-spacing: 2px; color: var(--text-dim); margin-bottom: 6px; }
.lesson-card__name { font-weight: 900; font-size: 16px; margin-bottom: 12px; color: var(--text); }
.lesson-badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1px; padding: 4px 10px; border-radius: 20px; margin-bottom: 14px; }
.lesson-badge--kids { background: transparent; color: #f2f0ec; border: 1px solid rgba(255,255,255,0.5); }
.lesson-badge--beginner { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.lesson-badge--open { background: var(--accent); color: #050505; border: 1px solid var(--accent); }
.lesson-card__instructor { font-size: 13px; color: var(--text-soft); margin-bottom: 8px; }
.lesson-card__stars { font-size: 14px; color: var(--accent); letter-spacing: 2px; }

.lesson-footer {
  max-width: 1200px; margin: 24px auto 0; padding: 0 clamp(20px, 6vw, 80px);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
  position: relative; z-index: 1;
}
.lesson-legend { font-size: 13px; color: var(--text-dim); display: flex; gap: 20px; flex-wrap: wrap; }
.lesson-legend .mark { color: var(--accent); }
.lesson-links { display: flex; gap: 20px; flex-wrap: wrap; }
.lesson-links a { font-size: 13px; font-weight: 700; }

/* ---------- pricing steps ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.step { text-align: center; }
.step__n { font-family: "Anton", sans-serif; font-size: 28px; color: var(--accent); margin-bottom: 10px; }
.step__label { font-weight: 700; font-size: 15px; margin-bottom: 8px; }
.step__desc { font-size: 13px; color: var(--text-dim); line-height: 1.7; }

@media (max-width: 760px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- access ---------- */
.access-box { max-width: 800px; margin: 0 auto; text-align: center; }
.access-card { border: 1px solid var(--border); border-radius: 2px; padding: 40px; background: rgba(255,255,255,0.02); }
.access-icon { font-size: 40px; margin-bottom: 16px; display: inline-block; animation: lotzfloat 3s ease-in-out infinite; }
.access-card p { font-size: 15px; color: var(--text-soft); line-height: 1.9; margin: 0; }

/* ---------- faq ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 2px; background: rgba(255,255,255,0.02); }
.faq-item__q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 24px; background: none; border: none; color: var(--text);
  font-size: 15px; font-weight: 700; text-align: left; cursor: pointer;
  font-family: "Noto Sans JP", sans-serif;
}
.faq-item__icon { font-size: 20px; color: var(--accent); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__a { padding: 0 24px 22px; font-size: 14px; color: var(--text-soft); line-height: 1.8; display: none; }
.faq-item.is-open .faq-item__a { display: block; }

/* ---------- final CTA ---------- */
.cta { position: relative; padding: 120px clamp(20px, 6vw, 80px); text-align: center; overflow: hidden; }
.cta__bg {
  position: absolute; inset: 0; z-index: 0; display: flex; flex-wrap: wrap;
  align-content: center; justify-content: center; gap: 20px;
  transform: rotate(-6deg) scale(1.2); pointer-events: none;
}
.cta__bg span { font-family: "Anton", sans-serif; font-size: 60px; color: var(--accent-faint); white-space: nowrap; }
.cta__inner { position: relative; z-index: 1; }
.cta__inner h2 { font-family: "Anton", sans-serif; font-size: clamp(32px, 6vw, 56px); margin: 0 0 40px; }
.cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.site-footer { background: var(--bg-footer); padding: 64px clamp(20px, 6vw, 80px) 100px; }
.site-footer__grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; margin-bottom: 48px; }
.footer-brand img { height: 36px; width: auto; margin-bottom: 14px; }
.footer-brand p { font-size: 13px; color: var(--text-dim); line-height: 1.8; margin: 0 0 16px; }
.footer-brand__social { display: flex; gap: 16px; }
.footer-brand__social a { font-size: 13px; font-weight: 700; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col__title { font-size: 12px; letter-spacing: 2px; color: var(--text-dim); margin-bottom: 6px; }
.footer-col a { font-size: 13px; color: var(--text-soft); }
.footer-col div.footer-plain { font-size: 13px; color: var(--text-soft); }

.site-footer__bottom {
  max-width: 1200px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.legal-links { display: flex; gap: 20px; flex-wrap: wrap; }
.legal-links a { font-size: 12px; color: var(--text-dim); }
.copyright { font-size: 12px; color: var(--text-faint); }

@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}

/* ---------- sub-page: simple (non-fixed) topbar ---------- */
.subpage-topbar {
  padding: 24px clamp(20px, 4vw, 48px);
  border-bottom: 1px solid var(--border-soft);
}
.subpage-topbar img { height: 28px; width: auto; }

/* ---------- sub-page: intro / thank-you block ---------- */
.intro {
  text-align: center;
  padding: 80px clamp(20px, 6vw, 80px) 90px;
  max-width: 760px;
  margin: 0 auto;
}
.intro__eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 4px; color: var(--accent); margin-bottom: 16px; }
.intro h1 {
  font-family: "Anton", sans-serif;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.35;
  margin: 0 0 24px;
  color: var(--text);
  overflow-wrap: break-word;
}
.intro p { font-size: 15px; color: var(--text-soft); line-height: 1.9; margin: 0 0 40px; }
.intro__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- price table (trial page) ---------- */
.price-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: 2px; }
.price-table { width: 100%; min-width: 340px; max-width: 620px; margin: 0 auto; border-collapse: collapse; }
.price-table th, .price-table td { padding: 16px 22px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--text-soft); }
.price-table thead th { font-size: 11px; letter-spacing: 2px; color: var(--text-dim); font-weight: 700; background: rgba(255,255,255,0.02); }
.price-table td:first-child { color: var(--text); }
.price-table td:last-child {
  font-family: "Anton", sans-serif; font-size: 16px; color: var(--text);
  text-align: right; white-space: nowrap;
}
.price-table tr.is-highlight td { background: var(--accent-faint); }
.price-table tr.is-highlight td:first-child { color: var(--accent); font-weight: 700; }
.price-table tr.is-highlight td:last-child { color: var(--accent); }
.price-table__group td {
  font-size: 11px; letter-spacing: 1.5px; font-weight: 700; color: var(--text-dim);
  background: rgba(255,255,255,0.02); padding-top: 22px; padding-bottom: 10px; border-bottom: none;
}
.price-table tbody + tbody tr:first-child td { border-top: 1px solid var(--border); }
.price-table__note { max-width: 620px; margin: 20px auto 0; font-size: 12px; color: var(--text-dim); line-height: 1.8; }

/* ---------- mobile sticky CTA bar ---------- */
.mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 400; display: flex; gap: 1px; background: rgba(255,255,255,0.1); }
.mobile-cta a { flex: 1; text-align: center; padding: 16px; font-weight: 700; font-size: 14px; }
.mobile-cta a:first-child { background: var(--bg-footer); color: var(--text); }
.mobile-cta a:last-child { background: var(--accent); color: #050505; font-weight: 900; }
@media (min-width: 861px) {
  .mobile-cta { display: none !important; }
}

/* extra bottom padding so the fixed mobile CTA bar never covers footer content */
@media (max-width: 860px) {
  body { padding-bottom: 56px; }
}