/* ========================================
   Lounge R Style — style.css
   Dark Elegant Theme
   ======================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0b0b0f;
  --bg-alt: #141420;
  --accent: #b8a88a;
  --text: #ede9e3;
  --text-sub: #7a7a8a;
  --border: rgba(184,168,138,0.15);
  --font-display: 'Playfair Display', serif;
  --font-body: 'Noto Sans JP', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- 6. Transparent Fade Nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: all 0.3s ease;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav.scrolled {
  background: var(--bg);
  padding: 14px 40px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 28px;
}

.nav__links a {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--accent); }

/* Hamburger */
.nav__hamburger {
  display: none;
  width: 28px;
  height: 20px;
  position: relative;
  cursor: pointer;
  z-index: 110;
}

.nav__hamburger span {
  display: block;
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

.nav__hamburger span:nth-child(1) { top: 0; }
.nav__hamburger span:nth-child(2) { top: 9px; }
.nav__hamburger span:nth-child(3) { bottom: 0; }

.nav__hamburger.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { bottom: 9px; transform: rotate(-45deg); }

/* Mobile menu panel */
.nav__mobile {
  display: none;
  position: fixed;
  right: 0;
  top: 0;
  height: 100vh;
  width: 280px;
  background: var(--bg);
  padding: 80px 40px;
  transform: translateX(100%);
  transition: transform 0.4s ease;
  z-index: 105;
}

.nav__mobile.open { transform: translateX(0); }

.nav__mobile a {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--text);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.nav__mobile a:hover { color: var(--accent); }

.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 104;
}

.nav__overlay.open { display: block; }

/* ---------- 1. Immersive Dark Hero ---------- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.hero__slider {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.6s ease-in-out;
}

.hero__slide.active {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,11,15,0.55);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__logo {
  max-width: 260px;
  margin: 0 auto 20px;
  filter: brightness(1.1);
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  letter-spacing: 0.25em;
  color: var(--accent);
  font-weight: 400;
}

.hero__catch {
  font-size: clamp(0.7rem, 1.8vw, 0.95rem);
  letter-spacing: 0.12em;
  color: var(--text);
  margin-top: 20px;
  font-weight: 300;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll svg {
  width: 20px;
  opacity: 0;
  animation: scrollChevron 2s ease-in-out infinite;
}

@keyframes scrollChevron {
  0%, 100% { opacity: 0; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(10px); }
}

/* ---------- 9. Elegant Section Header ---------- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header__en {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  letter-spacing: 0.2em;
  color: var(--accent);
}

.section-header__ja {
  font-size: 0.75rem;
  color: var(--text-sub);
  letter-spacing: 0.08em;
  margin-top: 8px;
}

.section-header__line {
  width: 36px;
  height: 1px;
  background: var(--accent);
  margin: 20px auto 0;
}

/* ---------- 2. Concept Narrative Block ---------- */
.concept {
  background: var(--bg-alt);
  padding: 120px 40px;
}

.concept__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.concept__subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.concept__heading {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text);
  line-height: 1.8;
}

.concept__text {
  font-size: 0.9rem;
  line-height: 2.2;
  color: var(--text-sub);
  margin-top: 24px;
}

.concept__image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 4px;
}

/* ---------- 3. VIP Showcase Cards ---------- */
.vip {
  background: var(--bg);
  padding: 100px 40px;
}

.vip__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.vip__card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.4s ease;
}

.vip__card:hover { transform: scale(1.03); }

.vip__card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.vip__card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 30%, rgba(11,11,15,0.85) 100%);
}

.vip__card-info {
  position: absolute;
  bottom: 24px;
  left: 24px;
}

.vip__card-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.vip__card-desc {
  font-size: 0.8rem;
  color: var(--text);
  margin-top: 8px;
}

/* ---------- 4. Cast Showcase Grid ---------- */
.cast {
  background: var(--bg-alt);
  padding: 100px 0;
}

.cast__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.cast__card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.cast__card:hover { transform: scale(1.04); filter: brightness(1.08); }

.cast__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cast__card-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 60%, rgba(11,11,15,0.8) 100%);
  pointer-events: none;
}

.cast__card-name {
  position: absolute;
  bottom: 14px;
  left: 14px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--text);
}

.cast__more {
  display: block;
  margin: 40px auto 0;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  padding: 12px 40px;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-body);
}

.cast__more:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- 5. Tiered Price Display ---------- */
.system-preview {
  background: var(--bg);
  padding: 80px 40px;
  text-align: center;
}

.system-preview__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
}

.price-card {
  background: var(--bg-alt);
  border: 1px solid rgba(184,168,138,0.12);
  border-radius: 8px;
  padding: 40px 28px;
}

.price-card__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.price-card__row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.price-card__label {
  font-size: 0.85rem;
  color: var(--text-sub);
}

.price-card__value {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.system-preview__btn {
  display: inline-block;
  min-width: 240px;
  text-align: center;
  margin: 32px auto 0;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  padding: 12px 40px;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-body);
}

.system-preview__btn:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- System Page — Full Price Display ---------- */
.price-section {
  background: var(--bg);
  padding: 80px 40px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.price-grid .price-card {
  padding: 36px 24px;
}

.price-card__subtitle {
  font-size: 0.7rem;
  color: var(--text-sub);
  margin-bottom: 20px;
}

.price-card__note {
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-top: 16px;
  line-height: 1.6;
}

.semi-vip-note {
  background: var(--bg-alt);
  padding: 40px;
  max-width: 1100px;
  margin: 0 auto;
  border-radius: 8px;
}

.semi-vip-note h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.semi-vip-note p {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.8;
}

.payment-section {
  padding: 60px 40px;
  text-align: center;
}

.payment-section__icons {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.payment-section__icon {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-sub);
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.payment-section__discount {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ---------- 7. Map & Access Footer ---------- */
.access {
  background: var(--bg-alt);
  padding: 80px 40px;
}

.access__inner {
  display: flex;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.access__map {
  flex: 1;
}

.access__map iframe {
  width: 100%;
  height: 300px;
  border: 0;
  filter: grayscale(0.8) brightness(0.7) contrast(1.2);
}

.access__info {
  flex: 1;
}

.access__info dl {
  margin-bottom: 0;
}

.access__info dt {
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  margin-top: 16px;
}

.access__info dt:first-child { margin-top: 0; }

.access__info dd {
  color: var(--text);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.access__sns {
  display: flex;
  gap: 20px;
  margin-top: 24px;
}

.access__sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: all 0.3s;
}

.access__sns a:hover {
  border-color: var(--accent);
  background: rgba(184,168,138,0.1);
}

.access__sns svg {
  width: 18px;
  height: 18px;
  fill: var(--text);
}

/* Footer bar */
.footer {
  background: var(--bg);
  padding: 20px 40px;
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-sub);
  letter-spacing: 0.05em;
}

/* ---------- Page Hero (sub-pages) ---------- */
.page-hero {
  position: relative;
  height: 40vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,11,15,0.65);
}

.page-hero__title {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  letter-spacing: 0.25em;
  color: var(--accent);
}

/* ---------- Cast Page — Full Grid ---------- */
.cast-page {
  background: var(--bg);
  padding: 80px 0;
}

.cast-page__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.cast-page__grid .cast__card { aspect-ratio: 3/4; }

.cast-page__more {
  display: block;
  margin: 40px auto 0;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  padding: 12px 40px;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-body);
}

.cast-page__more:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- Recruit Page ---------- */
.recruit {
  background: var(--bg-alt);
  padding: 80px 40px;
}

.recruit__content {
  max-width: 800px;
  margin: 0 auto;
}

.recruit__message {
  font-size: 1rem;
  line-height: 2;
  color: var(--text);
  text-align: center;
  margin-bottom: 48px;
}

.recruit__info {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 24px;
  margin-bottom: 48px;
}

.recruit__info dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 4px 0;
}

.recruit__info dd {
  font-size: 0.9rem;
  color: var(--text);
  padding: 4px 0;
}

.recruit__benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.recruit__benefit {
  background: var(--bg);
  padding: 16px 20px;
  border-radius: 4px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text);
  letter-spacing: 0.05em;
}

.recruit__cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.recruit__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  cursor: pointer;
  font-family: var(--font-body);
}

.recruit__btn--line {
  background: #06c755;
  color: #fff;
  border: none;
}

.recruit__btn--line:hover { background: #05b04c; }

.recruit__btn--tel {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.recruit__btn--tel:hover {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- 8. Section Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal__header {
  transition-delay: 0.15s;
}

.reveal__content {
  transition-delay: 0.35s;
}

/* ---------- Mobile Responsive ---------- */
@media (max-width: 767px) {
  .nav__links { display: none; }
  .nav__hamburger { display: block; }
  .nav__mobile { display: block; }

  .container { padding: 0 24px; }
  .nav { padding: 16px 24px; }
  .nav.scrolled { padding: 12px 24px; }

  /* Hero */
  .hero__logo { max-width: 180px; }
  .hero__name { letter-spacing: 0.15em; }

  /* Concept */
  .concept { padding: 80px 24px; }
  .concept__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* VIP */
  .vip { padding: 80px 24px; }
  .vip__grid { grid-template-columns: 1fr; }
  .vip__card-img { aspect-ratio: 4/3; }

  /* Cast */
  .cast__grid, .cast-page__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0 16px;
  }

  /* Price */
  .price-grid {
    grid-template-columns: 1fr;
    padding: 0 24px;
  }

  /* System preview */
  .system-preview__cards { padding: 0; }

  /* Access */
  .access { padding: 80px 24px; }
  .access__inner {
    flex-direction: column;
    gap: 40px;
  }

  /* Page hero */
  .page-hero { height: 30vh; }

  /* Recruit */
  .recruit__benefits { grid-template-columns: repeat(2, 1fr); }
  .recruit__cta { flex-direction: column; align-items: center; }
}