/* ===== RESET & TOKENS ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root {
  --midnight: #0A0F1E;
  --navy: #111833;
  --navy-mid: #1A2646;
  --navy-light: #243160;
  --gold: #C9A84C;
  --gold-light: #D4B95E;
  --gold-pale: #E8D9A0;
  --gold-glow: rgba(201, 168, 76, 0.15);
  --champagne: #F5F0E3;
  --cream: #FAF8F2;
  --white: #FFFFFF;
  --text: #E8E6E0;
  --text-muted: #9A978F;
  --text-dark: #2D2B26;
  --text-dark-muted: #6B6860;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,.12);
  --shadow-gold: 0 4px 24px rgba(201,168,76,.2);
}
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Noto Sans JP', sans-serif; color: var(--text-dark); line-height: 1.8; background: var(--cream); }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }
.text-center { text-align: center; }

/* ===== TYPOGRAPHY ===== */
.section-label {
  font-family: 'Cinzel', serif;
  font-size: .75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text-dark);
}
.section-sub {
  font-size: 1rem;
  color: var(--text-dark-muted);
  line-height: 1.9;
  max-width: 700px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 18px 48px;
  border-radius: 60px;
  font-size: 1rem;
  font-weight: 700;
  transition: all .4s cubic-bezier(.25,.46,.45,.94);
  cursor: pointer;
  text-align: center;
  border: none;
  letter-spacing: 0.5px;
}
.btn-gold {
  background: linear-gradient(135deg, #B8960B 0%, var(--gold) 40%, var(--gold-light) 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(201,168,76,.35);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(201,168,76,.5);
}
.btn-outline {
  background: transparent;
  color: var(--gold-pale);
  border: 1.5px solid rgba(201,168,76,.4);
  padding: 16px 40px;
}
.btn-outline:hover {
  background: rgba(201,168,76,.1);
  border-color: var(--gold);
  color: var(--gold-light);
}
.btn-sm { padding: 12px 28px; font-size: .85rem; }
.btn-lg { padding: 22px 60px; font-size: 1.1rem; }

/* ===== HEADER ===== */
header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 18px 0;
  transition: all .4s ease;
  background: rgba(10, 15, 30, .85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201,168,76,.08);
}
header.scrolled {
  padding: 12px 0;
  background: rgba(10, 15, 30, .97);
  border-bottom-color: rgba(201,168,76,.2);
  box-shadow: 0 4px 32px rgba(0,0,0,.3);
}
.header-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-icon { width: 40px; height: 40px; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-main {
  font-family: 'Cinzel', serif;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 3px;
}
.logo-sub {
  font-family: 'Cinzel', serif;
  font-size: .6rem;
  font-weight: 400;
  color: rgba(201,168,76,.6);
  letter-spacing: 6px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 180px 0 120px;
  background: linear-gradient(160deg, #050810 0%, var(--midnight) 30%, var(--navy) 60%, var(--navy-mid) 100%);
  overflow: hidden;
  color: var(--text);
}
.hero-particles {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
}
.hero-gradient {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(201,168,76,.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201,168,76,.04) 0%, transparent 60%);
  z-index: 2;
}
.hero .container { position: relative; z-index: 3; }
.hero-content { max-width: 720px; }
.hero-badge-group { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
  padding: 8px 24px;
  border-radius: 30px;
  font-family: 'Cinzel', serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 2px;
}
.hero-badge-outline {
  display: inline-block;
  background: rgba(201,168,76,.1);
  border: 1px solid rgba(201,168,76,.3);
  color: var(--gold-light);
  padding: 8px 20px;
  border-radius: 30px;
  font-family: 'Cinzel', serif;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: 2px;
}
.hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 24px;
  color: var(--white);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-light);
  text-shadow: 0 0 40px rgba(201,168,76,.2);
}
.hero-lead {
  font-size: 1.05rem;
  color: rgba(255,255,255,.7);
  line-height: 2;
  margin-bottom: 40px;
}
.hero-cta-group {
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 28px 36px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(201,168,76,.12);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Cinzel', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
}
.stat-label {
  font-size: .72rem;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
  letter-spacing: 0.5px;
}
.stat-divider {
  width: 1px; height: 40px;
  background: rgba(201,168,76,.2);
}

/* ===== PHILOSOPHY ===== */
.philosophy {
  background: var(--white);
  text-align: center;
}
.philosophy-inner {
  max-width: 700px;
  margin: 0 auto;
}
.philosophy .section-title {
  font-size: 1.7rem;
  color: var(--navy);
}
.philosophy-text p {
  font-size: 1.05rem;
  color: var(--text-dark-muted);
  line-height: 2.2;
  margin-bottom: 16px;
}
.philosophy-text em {
  font-style: normal;
  color: var(--gold);
  font-weight: 700;
}

/* ===== DIFFERENCE ===== */
.difference {
  background: var(--cream);
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.diff-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,.04);
  transition: all .4s ease;
  border: 1px solid rgba(0,0,0,.04);
}
.diff-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  opacity: 0;
  transition: opacity .4s ease;
}
.diff-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
  border-color: rgba(201,168,76,.15);
}
.diff-card:hover::before { opacity: 1; }
.diff-num {
  font-family: 'Cinzel', serif;
  font-size: 2rem;
  font-weight: 700;
  color: rgba(201,168,76,.2);
  margin-bottom: 16px;
  line-height: 1;
}
.diff-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.diff-card p {
  font-size: .88rem;
  color: var(--text-dark-muted);
  line-height: 1.8;
}

/* ===== PROGRAM ===== */
.program {
  background: var(--navy);
  color: var(--text);
}
.program .section-label { color: var(--gold-light); }
.program .section-title { color: var(--white); }
.program .section-sub { color: rgba(255,255,255,.6); }
.program-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.program-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .4s ease;
}
.program-card:hover {
  border-color: rgba(201,168,76,.3);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  transform: translateY(-4px);
}
.program-card.featured {
  grid-column: 1 / -1;
  border-color: rgba(201,168,76,.2);
  background: linear-gradient(135deg, rgba(201,168,76,.06) 0%, rgba(255,255,255,.04) 100%);
}
.program-header {
  background: linear-gradient(135deg, rgba(201,168,76,.15) 0%, rgba(201,168,76,.05) 100%);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid rgba(201,168,76,.1);
}
.module-num {
  background: var(--gold);
  color: var(--navy);
  font-family: 'Cinzel', serif;
  font-size: .7rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 1px;
}
.program-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}
.program-body { padding: 28px; }
.program-goal {
  background: rgba(201,168,76,.08);
  border: 1px solid rgba(201,168,76,.12);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 20px;
}
.goal-tag {
  font-size: .7rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 4px;
}
.program-goal p {
  font-size: .88rem;
  color: rgba(255,255,255,.8);
  line-height: 1.7;
  margin: 0;
}
.program-body ul {
  list-style: none;
  padding: 0;
}
.program-body ul li {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  line-height: 1.9;
  padding-left: 18px;
  position: relative;
}
.program-body ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: .7rem;
}

/* ===== LEARNING PATH ===== */
.learning-path {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--text);
  text-align: center;
}
.learning-path .section-label { color: var(--gold-light); }
.learning-path .section-title { color: var(--white); }
.path-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 48px 0 32px;
  flex-wrap: wrap;
}
.path-step {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  min-width: 160px;
  flex: 1;
  max-width: 200px;
  transition: all .4s ease;
}
.path-step.active {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  border-color: var(--gold);
  transform: scale(1.08);
  box-shadow: 0 8px 40px rgba(201,168,76,.3);
}
.path-step.active h3,
.path-step.active p { color: var(--navy); }
.path-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.path-step h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--white);
}
.path-step p {
  font-size: .75rem;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}
.path-connector {
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 700;
}
.path-note {
  font-size: .85rem;
  color: rgba(255,255,255,.45);
}

/* ===== TARGET ===== */
.target {
  background: var(--white);
}
.target-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.target-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 36px 28px;
  border-left: 4px solid var(--gold);
  transition: all .4s ease;
}
.target-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.target-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}
.target-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.target-card p {
  font-size: .88rem;
  color: var(--text-dark-muted);
  line-height: 1.8;
}

/* ===== INSTRUCTORS ===== */
.instructors {
  background: var(--cream);
}
.inst-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.inst-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,.04);
  display: flex;
  gap: 28px;
  align-items: flex-start;
  border: 1px solid rgba(0,0,0,.04);
  transition: all .4s ease;
}
.inst-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.08);
  border-color: rgba(201,168,76,.15);
}
.inst-photo {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--gold);
  box-shadow: 0 4px 16px rgba(201,168,76,.15);
}
.inst-info { flex: 1; }
.inst-role {
  font-family: 'Cinzel', serif;
  font-size: .65rem;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 3px;
  display: block;
  margin-bottom: 10px;
}
.inst-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}
.inst-name-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: .85rem;
  color: var(--text-dark-muted);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.inst-bio {
  font-size: .88rem;
  color: var(--text-dark-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.inst-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.inst-tags span {
  font-size: .7rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(201,168,76,.08);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,.15);
  font-weight: 500;
}

/* ===== FAQ ===== */
.faq {
  background: var(--white);
}
.faq-list {
  max-width: 740px;
  margin: 48px auto 0;
}
.faq-item {
  background: var(--cream);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.04);
  transition: all .3s ease;
}
.faq-item:hover { border-color: rgba(201,168,76,.15); }
.faq-q {
  padding: 22px 28px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-dark);
  transition: color .3s;
}
.faq-q::before {
  content: 'Q';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--white);
  font-family: 'Cinzel', serif;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.faq-q::after {
  content: '+';
  margin-left: auto;
  font-size: 1.3rem;
  color: var(--gold);
  transition: transform .3s ease;
  font-weight: 300;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 28px 0 72px;
  max-height: 0;
  overflow: hidden;
  transition: all .4s cubic-bezier(.25,.46,.45,.94);
  font-size: .9rem;
  color: var(--text-dark-muted);
  line-height: 1.9;
}
.faq-item.open .faq-a {
  padding-bottom: 24px;
  max-height: 400px;
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(160deg, #050810 0%, var(--midnight) 30%, var(--navy) 70%, var(--navy-mid) 100%);
  color: var(--text);
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,.06) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-content { position: relative; z-index: 1; }
.cta-label {
  font-family: 'Cinzel', serif;
  font-size: .75rem;
  letter-spacing: 4px;
  color: var(--gold);
  margin-bottom: 20px;
}
.cta h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 20px;
}
.cta-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.65);
  line-height: 2;
  max-width: 560px;
  margin: 0 auto 44px;
}
.cta-note {
  font-size: .8rem;
  color: rgba(255,255,255,.4);
  margin-top: 20px;
}

/* ===== FLOW ===== */
.flow {
  background: var(--cream);
}
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.flow-step { text-align: center; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--white);
  font-family: 'Cinzel', serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: var(--shadow-gold);
}
.flow-step h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.flow-step p {
  font-size: .82rem;
  color: var(--text-dark-muted);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
footer {
  background: var(--midnight);
  color: var(--text);
  padding: 60px 0;
  text-align: center;
}
.footer-logo {
  margin-bottom: 24px;
}
.footer-logo-main {
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 4px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}
.footer-links a {
  font-size: .82rem;
  color: rgba(255,255,255,.45);
  transition: color .3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: .72rem;
  color: rgba(255,255,255,.25);
  letter-spacing: 0.5px;
}

/* ===== ANIMATIONS ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s cubic-bezier(.25,.46,.45,.94), transform .7s cubic-bezier(.25,.46,.45,.94);
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.diff-card:nth-child(2) { transition-delay: .1s; }
.diff-card:nth-child(3) { transition-delay: .2s; }
.diff-card:nth-child(4) { transition-delay: .3s; }
.diff-card:nth-child(5) { transition-delay: .4s; }
.diff-card:nth-child(6) { transition-delay: .5s; }
.program-card:nth-child(2) { transition-delay: .1s; }
.program-card:nth-child(3) { transition-delay: .2s; }
.program-card:nth-child(4) { transition-delay: .3s; }
.target-card:nth-child(2) { transition-delay: .1s; }
.target-card:nth-child(3) { transition-delay: .2s; }
.target-card:nth-child(4) { transition-delay: .3s; }
.flow-step:nth-child(2) { transition-delay: .1s; }
.flow-step:nth-child(3) { transition-delay: .2s; }
.flow-step:nth-child(4) { transition-delay: .3s; }
.path-step:nth-child(3) { transition-delay: .1s; }
.path-step:nth-child(5) { transition-delay: .2s; }
.path-step:nth-child(7) { transition-delay: .3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .inst-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero { padding: 140px 0 80px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-lead { font-size: .95rem; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 24px; }
  .stat-divider { width: 40px; height: 1px; }
  .section-title { font-size: 1.5rem; }
  section { padding: 70px 0; }
  .diff-grid { grid-template-columns: 1fr; }
  .program-grid { grid-template-columns: 1fr; }
  .target-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .inst-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .inst-photo { width: 100px; height: 100px; }
  .inst-tags { justify-content: center; }
  .path-flow { flex-direction: column; }
  .path-connector { transform: rotate(90deg); }
  .path-step { max-width: 100%; min-width: auto; }
  .cta h2 { font-size: 1.7rem; }
  .hero-cta-group { flex-direction: column; align-items: flex-start; }
  .btn-sm { padding: 10px 20px; font-size: .8rem; }
  .logo-main { font-size: .72rem; letter-spacing: 2px; }
  .logo-sub { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
  .flow-steps { grid-template-columns: 1fr; }
  .cta { padding: 80px 0; }
}