@charset "UTF-8";

/* ==========================================================================
   Variables (Bright & Luxury Theme)
   ========================================================================== */
:root {
  /* Colors */
  --bg-primary: #FFFFFF;        /* ピュアホワイト */
  --bg-secondary: #FAFAFA;      /* パールアイボリー */
  --bg-tertiary: #F3EFEB;       /* ウォームライトグレー */
  
  --text-primary: #333333;      /* ディープチャコールグレー（メインテキスト） */
  --text-secondary: #666666;    /* ミディアムグレー（サブテキスト） */
  --text-light: #999999;        /* ライトグレー（補足） */
  
  --accent-gold: #D4AF37;       /* シャンパンゴールド */
  --accent-gold-dark: #B5952F;  /* シャンパンゴールド（ホバー用） */
  --accent-gold-light: rgba(212, 175, 55, 0.1);
  
  /* Typography */
  --font-en: 'Cinzel', serif;   /* 英語見出し用（エレガントなセリフ体） */
  --font-jp: 'Noto Serif JP', serif; /* 日本語テキスト用（明朝体） */
  --font-sans: 'Montserrat', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  
  /* Layout */
  --header-height: 80px;
  --max-width: 1200px;
  --max-width-small: 800px;
  
  /* Animation */
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-jp);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-primary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

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

/* ==========================================================================
   Typography Classes
   ========================================================================== */
.en {
  font-family: var(--font-en);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

.small-container {
  max-width: var(--max-width-small);
}

section {
  padding: 120px 0;
}

section:nth-child(even) {
  background-color: var(--bg-secondary);
}

/* ==========================================================================
   Components
   ========================================================================== */
/* Section Header */
.section-header {
  margin-bottom: 60px;
}

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

.section-subtitle {
  display: block;
  font-family: var(--font-en);
  font-size: 0.875rem;
  color: var(--accent-gold);
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}

.section-title {
  font-size: 2.25rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.sp-only { display: none; }

.section-line {
  width: 40px;
  height: 2px;
  background-color: var(--accent-gold);
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-gold {
  background-color: var(--accent-gold);
  color: #fff;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
  background-color: var(--accent-gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-gold-outline {
  background-color: transparent;
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.btn-gold-outline:hover {
  background-color: var(--accent-gold);
  color: #fff;
}

.btn-header {
  padding: 10px 24px;
  font-size: 0.8125rem;
}

.btn-huge {
  padding: 24px 60px;
  font-size: 1.125rem;
  width: 100%;
  max-width: 400px;
}

.btn-text {
  font-family: var(--font-en);
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 0;
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.btn-text:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.btn-text .arrow {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.btn-text:hover .arrow {
  transform: translateX(5px);
}

/* Image Wrappers */
.gold-border {
  position: relative;
  padding: 15px;
}

.gold-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1px solid var(--accent-gold);
  z-index: 1;
}

.gold-border img {
  position: relative;
  z-index: 2;
  filter: brightness(1.05) contrast(1.05); /* Make bright themes pop slightly */
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  transition: var(--transition-slow);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

#header.scrolled {
  height: 70px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 5%;
}

.logo-area {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: var(--font-en);
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: var(--text-primary);
}

.logo-sub {
  font-family: var(--font-en);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
}

.nav-menu ul {
  display: flex;
  gap: 40px;
}

.nav-link {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-sns-link {
  color: var(--text-primary);
  display: flex;
  align-items: center;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.header-sns-link:hover {
  opacity: 0.7;
  color: var(--accent-gold);
}

/* Hamburger Menu */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 101;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  position: absolute;
  left: 0;
  transition: var(--transition-fast);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.active span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Bright theme overlay: gentle white gradient instead of black */
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.6) 50%,
    rgba(255, 255, 255, 0.2) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--max-width);
  padding: 0 5%;
}

.hero-announcement {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  padding: 8px 16px;
  margin-bottom: 30px;
  background-color: rgba(255,255,255,0.8);
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
}

.hero-title .hero-main-title {
  font-size: 3.5rem;
  line-height: 1.2;
  font-family: var(--font-jp);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.hero-title .jp {
  font-size: 2rem;
  letter-spacing: 0.1em;
  font-weight: 300;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 50px;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 30px;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scroll-text {
  font-family: var(--font-en);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--text-primary);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background-color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--accent-gold);
  animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ==========================================================================
   4Dstretch Section
   ========================================================================== */
.stretch-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 80px;
}

.lead-text {
  font-size: 1.125rem;
  color: var(--text-primary);
}

.stretch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.stretch-features {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-weight: 500;
}

.card-num {
  font-family: var(--font-en);
  font-size: 2.5rem;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 5px;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ==========================================================================
   Concept Section
   ========================================================================== */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.concept-heading {
  font-size: 1.75rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  margin-bottom: 30px;
}

.concept-desc {
  color: var(--text-secondary);
  margin-bottom: 50px;
}

.point-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.point-num {
  font-family: var(--font-en);
  font-size: 1.5rem;
  color: var(--accent-gold);
  line-height: 1;
}

.point-content h4 {
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.point-content p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */
.membership-box {
  background-color: var(--bg-tertiary); /* Warm grey background for box */
  border: 1px solid rgba(212, 175, 55, 0.2);
  padding: 40px;
  margin-bottom: 60px;
  text-align: center;
}

.membership-header {
  margin-bottom: 30px;
}

.membership-header h3 {
  font-family: var(--font-en);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.status-badge {
  display: inline-block;
  background-color: var(--accent-gold);
  color: #fff;
  padding: 4px 16px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.membership-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
}

.fee-item {
  display: flex;
  flex-direction: column;
}

.hero-btn-pulse {
  animation: pulseGold 2s infinite;
}

@keyframes pulseGold {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(212, 175, 55, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0);
  }
}

.fee-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.fee-value {
  font-family: var(--font-en);
  font-size: 2.5rem;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 5px;
}

.fee-value .unit {
  font-size: 1rem;
  font-family: var(--font-jp);
}

.fee-note {
  font-size: 0.75rem;
  color: var(--text-light);
}

.fee-divider {
  width: 1px;
  height: 60px;
  background-color: rgba(0,0,0,0.1);
}

.price-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.price-card {
  background-color: #fff; /* White cards pop on secondary bg */
  border: 1px solid rgba(0,0,0,0.05);
  padding: 50px 40px;
  position: relative;
  transition: var(--transition-fast);
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.05);
}

.price-card.highlight {
  border-color: var(--accent-gold);
}

.card-tag {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--accent-gold);
  color: #fff;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 4px 16px;
}

.card-header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.card-header h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.card-price {
  text-align: center;
  margin-bottom: 40px;
}

.price-num {
  font-family: var(--font-en);
  font-size: 3rem;
  color: var(--text-primary);
}

.price-period {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.card-features li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 15px;
  font-size: 0.9375rem;
}

.card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-gold);
}

.price-sub-cards {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.sub-card {
  background-color: #fff;
  border: 1px solid rgba(0,0,0,0.05);
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.sub-card h4 {
  font-size: 1.125rem;
  margin-bottom: 5px;
}

.sub-target {
  font-size: 0.75rem;
  color: var(--accent-gold);
  margin-bottom: 20px;
}

.sub-price {
  margin-bottom: 15px;
}

.sub-price .price-num {
  font-size: 2rem;
}

.sub-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: auto;
}

/* ==========================================================================
   Flow Section
   ========================================================================== */
.flow-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.step-card {
  background-color: var(--bg-primary); /* White cards */
  border: 1px solid rgba(0,0,0,0.05);
  padding: 40px 30px;
  flex: 1;
  text-align: center;
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.step-card.highlight {
  border-color: var(--accent-gold);
}

.step-num {
  font-family: var(--font-en);
  font-size: 2.5rem;
  color: var(--accent-gold-light);
  line-height: 1;
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 1.125rem;
  margin-bottom: 15px;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.step-arrow {
  color: var(--accent-gold);
}

/* ==========================================================================
   Q&A Section (New)
   ========================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  background-color: var(--bg-primary);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.01);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 24px 30px;
  background: none;
  border: none;
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  position: relative;
  transition: var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--bg-secondary);
}

.faq-icon {
  font-family: var(--font-en);
  color: var(--accent-gold);
  font-size: 1.25rem;
  margin-right: 15px;
}

.faq-icon-a {
  font-family: var(--font-en);
  color: var(--text-light);
  font-size: 1.25rem;
  margin-right: 15px;
}

.faq-toggle {
  position: absolute;
  right: 30px;
  width: 14px;
  height: 14px;
}

.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background-color: var(--accent-gold);
  transition: transform 0.3s ease;
}

.faq-toggle::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.faq-toggle::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.faq-question.active .faq-toggle::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background-color: var(--bg-secondary);
}

.faq-answer p {
  padding: 0 30px 30px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  display: flex;
}

/* ==========================================================================
   Info Section
   ========================================================================== */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.info-logo {
  font-family: var(--font-en);
  font-size: 2rem;
  letter-spacing: 0.15em;
}

.info-sub {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  margin-bottom: 40px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}

.info-table th, .info-table td {
  padding: 20px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  text-align: left;
}

.info-table th {
  width: 120px;
  font-weight: 400;
  color: var(--text-secondary);
}

.info-table .note {
  font-size: 0.8125rem;
  color: var(--text-light);
  display: block;
  margin-top: 5px;
}

.sns-area {
  background-color: var(--bg-tertiary);
  padding: 30px;
  text-align: center;
}

.sns-lead {
  font-size: 0.875rem;
  margin-bottom: 20px;
}

.btn-insta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #fff;
  color: var(--text-primary);
  padding: 12px 30px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(0,0,0,0.05);
}

.btn-insta:hover {
  background-color: var(--bg-primary);
  border-color: var(--text-primary);
}

.map-placeholder {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background-color: var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,0,0,0.05);
}

.map-icon {
  color: var(--accent-gold);
  margin-bottom: 15px;
}

.map-sub {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 10px;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  background-color: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

/* Background ornament */
.cta-section::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border: 1px solid var(--accent-gold-light);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -50px;
  width: 300px;
  height: 300px;
  border: 1px solid var(--accent-gold-light);
  border-radius: 50%;
}

.cta-title {
  font-size: 2rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.cta-desc {
  color: var(--text-secondary);
  margin-bottom: 40px;
  position: relative;
  z-index: 2;
}

.cta-button-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.cta-note {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */
#footer {
  background-color: var(--text-primary);
  color: var(--bg-primary); /* White text on dark grey footer */
  padding: 80px 0 30px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: flex;
  flex-direction: column;
}

.footer-logo .logo-text {
  color: #fff;
}

.footer-links ul {
  display: flex;
  gap: 30px;
}

.footer-links a {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  text-align: center;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}

/* ==========================================================================
   Loader
   ========================================================================== */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
  overflow: hidden;
}

.loader-logo {
  font-family: var(--font-en);
  font-size: 2rem;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  margin-bottom: 15px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s forwards 0.2s;
}

.loader-line {
  width: 0;
  height: 1px;
  background-color: var(--accent-gold);
  margin: 0 auto 15px;
  animation: expandLine 1s forwards 0.8s;
}

.loader-sub {
  font-family: var(--font-en);
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
  opacity: 0;
  animation: fadeIn 1s forwards 1.2s;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes expandLine {
  to { width: 60px; }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-fade {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media screen and (max-width: 992px) {
  .hero-title .hero-main-title { font-size: 2.5rem; }
  .hero-title .jp { font-size: 1.5rem; }
  
  .stretch-grid, .concept-grid, .info-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .membership-row {
    flex-direction: column;
    gap: 30px;
  }
  
  .fee-divider {
    width: 60px;
    height: 1px;
  }
  
  .price-cards {
    grid-template-columns: 1fr;
  }
  
  .flow-steps {
    flex-direction: column;
  }
  
  .step-arrow {
    transform: rotate(90deg);
  }
}

@media screen and (max-width: 768px) {
  .header-cta .btn-header { display: none; }
  .menu-toggle { display: block; }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--bg-primary);
    padding: 100px 5% 50px;
    transition: var(--transition-slow);
    box-shadow: -5px 0 20px rgba(0,0,0,0.05);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu ul {
    flex-direction: column;
    gap: 30px;
  }
  
  .nav-link {
    font-size: 1.125rem;
    color: var(--text-primary);
  }
  
  .hero-title .hero-main-title { font-size: 1.75rem; }
  .hero-title .jp { font-size: 1.25rem; }
  
  .hero-video {
    object-fit: contain;
    background-color: #fff;
  }
  
  .hero-cta-group {
    flex-direction: column;
    align-items: flex-start;
  }
  
  section { padding: 80px 0; }
  
  .section-title { font-size: 1.5rem; }
  .concept-heading { font-size: 1.375rem; }
  .sp-only { display: block; }
  
  .footer-top {
    flex-direction: column;
    gap: 40px;
    align-items: center;
  }
  
  .footer-links ul {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}