*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --red: #E7011D;
    --violet: #7B2FBE;
    --gold: #F5C518;
    --gold-light: #e8c98e;
    --white: #ffffff;
    --off-white: #f0ede8;
    --dark: #050A14;
    --dark-mid: #071020;
    --card-bg: #0a1428;
    --border: rgba(200,169,110,0.2);
    --text-muted: #888;
    --text-body: #bbb;
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Noto Sans JP', sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.8;
  }

  /* ===== NOISE OVERLAY ===== */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.4;
  }

  /* ===== NAV ===== */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
    background: rgba(5,4,3,0.5);
    backdrop-filter: blur(4px);
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
  }

  .nav-logo-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
  }

  .nav-logo-en {
    font-size: 9.5px;
    letter-spacing: 0.2em;
    color: var(--gold);
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
  }

  .nav-logo-ja {
    font-size: 14px;
    color: var(--gold);
    font-family: 'Shippori Mincho', serif;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  .nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    font-size: 13px;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.85);
  }

  .nav-links a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
  }

  .nav-links a:hover { color: var(--white); }

  .nav-cta {
    background: var(--gold);
    color: black;
    border: none;
    padding: 8px 20px;
    font-size: 14px;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
  }

  .nav-cta:hover { 
    background: var(--gold);
    box-shadow: 0 0 18px rgba(245, 197, 24, 0.55); /* 柔らかい光 */
    transform: translateY(-1.2px); 
  }

  /* ===== HERO ===== */
  #hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
  }

  /* Real Tokyo Tower night photo via SVG-drawn background */
  .hero-bg {
    position: absolute;
    inset: 0;
    background: transparent;
    overflow: hidden;
  }

  /* SVG city skyline drawn background - hidden since we use real photo */
  .hero-bg canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
  }

  /* Photo-like dark city overlay */
  .hero-photo {
    position: absolute;
    inset: 0;
    background-image: url("hero.png");
    background-size: cover; 
    background-position: center bottom;
    background-repeat: no-repeat;
    z-index: -1;
  }

  .hero-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      to bottom,
      rgba(10, 10, 20, 0.9) 0%,
      rgba(20, 5, 40, 0.6) 50%,
      rgba(5, 10, 20, 0.9) 100%
    );
    pointer-events: none;
  }

  /* Tower glow orange/warm */
  .hero-tower-glow {
    position: absolute;
    top: 0;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translateX(-50%);
    background: radial-gradient(
      circle at center,
      rgba(245, 197, 24, 0.6) 0%,
      rgba(245, 197, 24, 0.2) 40%,
      rgba(20, 9, 43, 0) 80%
    );
    filter: blur(40px);
    opacity: 0.8;
  }

  /* City lights bottom warm glow */
  .hero-city-glow {
    position: absolute;
    bottom: 0;
    left: 0; right: 0;
    height: 45%;
    background: radial-gradient(ellipse 100% 60% at 50% 100%,
      rgba(180, 100, 30, 0.2) 0%,
      rgba(120, 60, 10, 0.08) 50%,
      transparent 70%
    );
    pointer-events: none;
  }

  /* Dark vignette edges */
  .hero-vignette {
    position: absolute;
    inset: 0;
    background:
      /* Dark top for nav readability */
      linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.1) 25%, transparent 50%, rgba(0,0,0,0.4) 80%, rgba(0,0,0,0.75) 100%),
      /* Side vignettes */
      radial-gradient(ellipse 100% 100% at 50% 50%,
        transparent 35%,
        rgba(0,0,0,0.65) 100%
      );
    pointer-events: none;
  }

  /* Tokyo Tower SVG - hidden since real photo is used */
  .hero-tower-svg {
    display: none;
  }

  /* Floating light particles */
  .hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
  }

  .particle {
    position: absolute;
    border-radius: 50%;
    animation: particleFloat linear infinite;
    opacity: 0;
  }

  @keyframes particleFloat {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-120px) translateX(20px); opacity: 0; }
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hero-eyebrow {
    position: relative;
    z-index: 2;
    font-size: 11px;
    letter-spacing: 0.35em;
    color: var(--gold);
    margin-bottom: 28px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
    animation: fadeUp 1s ease 0.3s both;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .hero-eyebrow::before,
  .hero-eyebrow::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: var(--gold);
    opacity: 0.7;
  }

  h1.hero-title {
    position: relative;
    z-index: 2;
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(40px, 8vw, 100px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 28px;
    animation: fadeUp 1s ease 0.5s both;
    letter-spacing: -0.01em;
  }

  .hero-title .line1 { color: var(--white); display: block; }
  .hero-title .line2 {
    display: block;
    position: relative;
    background: linear-gradient(
      105deg,
      #F5C518 0%,
      #f2ce4b 50%,
      #f6ea9c 100%
    );
    background-size: 280% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(255,210,60,0.7)) drop-shadow(0 0 28px rgba(200,140,10,0.4));
    animation: shimmerRTL 4s linear infinite;
  }

  @keyframes shimmerRTL {
    0%   { background-position: 200% 0; }
    100% { background-position: -80% 0; }
  }

  .hero-title .line3 { color: var(--white); display: block; }

  .hero-subtitle {
    position: relative;
    z-index: 2;
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    letter-spacing: 0.08em;
    margin-bottom: 48px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
    line-height: 1.9;
    animation: fadeUp 1s ease 0.7s both;
  }

  .hero-actions {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 12px;
    animation: fadeUp 1s ease 0.9s both;
  }

  .btn-primary {
    background: var(--gold);
    color: black;
    border: none;
    padding: 16px 40px;
    font-size: 14px;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    font-weight: 500;
  }

  .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.4s;
  }

  .btn-primary:hover::after { transform: translateX(100%); }
  .btn-primary:hover { 
    background: var(--gold);
    box-shadow: 0 0 18px rgba(245, 197, 24, 0.55);
    transform: translateY(-1.5px); 
  }

  .btn-outline {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255,255,255,0.35);
    padding: 16px 40px;
    font-size: 14px;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    font-weight: 400;
    backdrop-filter: blur(4px);
  }

  .btn-outline:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.6);
  }

  .hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.5);
    font-size: 10px;
    letter-spacing: 0.3em;
    animation: fadeUp 1s ease 1.2s both;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
  }

  .scroll-chevron {
    width: 10px;
    height: 10px;
    border-right: 1px solid rgba(255,255,255,0.4);
    border-bottom: 1px solid rgba(255,255,255,0.4);
    transform: rotate(45deg);
    animation: chevronBounce 1.8s ease infinite;
    margin-top: -4px;
  }

  @keyframes chevronBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.4; }
    50% { transform: rotate(45deg) translateY(4px); opacity: 0.9; }
  }

  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
  }

  /* ===== UNIFY CANVAS ===== */
  .unify-canvas-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    margin-bottom: 48px;
    border-radius: 4px;
    overflow: hidden;
  }

  #unifyCanvas {
    width: 100%;
    height: 100%;
    display: block;
  }

  .unify-label {
    position: absolute;
    bottom: 38%;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.5em;
    color: rgba(255,255,255,0.55);
    text-shadow: 0 0 12px rgba(255,200,80,0.4);
    pointer-events: none;
    white-space: nowrap;
  }

  .unify-caption {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    text-align: center;
    letter-spacing: 0.06em;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
    margin-bottom: 32px;
    margin-top: 16px;
  }

  /* ===== SECTION COMMON ===== */
  section { padding: 100px 0; }

  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 12px;
  }

  .section-eyebrow {
    font-size: 10px;
    letter-spacing: 0.4em;
    color: var(--gold);
    margin-bottom: 20px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .section-eyebrow::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--gold);
    opacity: 0.6;
  }

  h2.section-title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(32px, 3.5vw, 44px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 32px;
  }

  h2.section-title .accent { color: var(--gold); }

  /* About section large title - image 2 style */
  h2.about-title-large {
    font-size: clamp(24px, 3vw, 40px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 40px;
    letter-spacing: -0.01em;
  }

  /* ===== ABOUT SECTION ===== */
  #about {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-mid) 100%);
    position: relative;
  }

  #about::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(200,169,110,0.06) 0%, transparent 70%);
    pointer-events: none;
  }

  .about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }

  .about-text {
    font-size: 14px;
    color: var(--text-body);
    line-height: 2;
    margin-bottom: 20px;
  }

  .about-quote {
    border-left: 3px solid var(--gold);
    padding: 16px 24px;
    margin: 32px 0;
    font-family: 'Shippori Mincho', serif;
    font-size: 18px;
    line-height: 1.8;
    color: var(--off-white);
    background: none;
  }

  .about-quote em { color: var(--gold); font-style: normal; font-weight: 500; }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }

  .stat-item {
    text-align: center;
    background: #071020;
    border: 1px solid rgba(200,169,110,0.18);
    padding: 16px 16px;
  }

  .stat-number {
    font-family: 'Shippori Mincho', serif;
    font-size: 44px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 10px;
  }

  .stat-number sup { font-size: 20px; }
  .stat-number span { font-size: 24px; }

  .stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.08em;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
  }

  /* ===== ACTIVITIES SECTION ===== */
  #activities {
    background: var(--dark-mid);
    position: relative;
    overflow: hidden;
  }

  #activities::before {
    content: '';
    position: absolute;
    left: -200px;
    top: 0;
    width: 600px;
    height: 100%;
    background: radial-gradient(ellipse, rgba(200,169,110,0.04) 0%, transparent 70%);
    pointer-events: none;
  }

  .activities-intro {
    font-size: 14px;
    color: var(--text-body);
    margin-bottom: 60px;
    max-width: 600px;
  }

  .activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .activity-card {
    background: var(--card-bg);
    padding: 40px;
    position: relative;
    transition: background 0.3s;
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .activity-card::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px; /* ラインの太さ */
    width: 0;
    background: #C5A24A; /* 金色ライン */
    transition: width 0.4s ease; /* アニメーション */
  }

  .activity-card:hover::before {
    width: 100%;
  }

  .activity-icon {
    width: 48px;              
    height: 48px;             
    border: 1px solid var(--border);
    background: rgba(200,169,110,0.05);
    display: flex;           
    align-items: center;      
    justify-content: center; 
    margin-bottom: 16px;
  }

  .activity-icon i {
    color: #C5A24A;
    font-size: 20px;
  }

  .activity-card:hover  {
    background-color: #161a24;
  }

  .activity-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
  }

  .activity-desc {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.9;
  }

  /* ===== COMPANIES SECTION ===== */
  #companies {
    background: var(--dark-mid);
    position: relative;
  }

  .companies-intro {
    font-size: 14px;
    color: var(--text-body);
    margin-bottom: 60px;
    max-width: 500px;
  }

  .companies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .company-card {
    position: relative;
    background: var(--card-bg);
    padding: 40px;
    border: 1px solid rgba(200,169,110,0.15);
    border-left: 3px solid var(--gold);
    transition: border-color 0.3s;
    display: flex;
    flex-direction: column;
  }

  .company-card:nth-child(2) {
    border-left-color: var(--violet);
  }

  .company-tag {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    border: 1px solid var(--gold);
    padding: 4px 10px;
    margin-bottom: 24px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    color: var(--gold);
    white-space: nowrap !important;
    width: auto;
    flex: 0 0 auto;
    align-self: flex-start;
  }

  .company-card:nth-child(2) .company-tag {
    color: var(--violet);
    border: 1px solid var(--violet);
  }

  .company-name {
    font-family: 'Shippori Mincho', serif;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--white);
  }

  .company-name-sub {
    font-size: 13px;
    color: var(--red);
    margin-bottom: 24px;
    font-style: normal;
    font-family: 'Noto Sans JP', sans-serif;
  }

  .company-card:nth-child(2) .company-name-sub {
    color: var(--violet);
  }

  .company-desc {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.9;
    margin-bottom: 28px;
  }

  .company-products {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
  }

  .company-product-tag {
    font-size: 11px;
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 5px 12px;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.05em;
  }

  .company-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  .company-ceo {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'Noto Sans JP', sans-serif;
  }

  .company-logo {
    width: 48px;   /* 好きなサイズに変更 */
    height: auto;  /* 縦横比を保つ */
  }

  .company-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold);
    font-size: 13px;
    text-decoration: none;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    transition: opacity 0.2s;
  }

  .company-card:nth-child(2) .company-link {
    color: var(--violet);
  }

  .company-link:hover { opacity: 0.75; }

  .companies-banner {
    margin-top: 48px;
    padding: 32px 48px;
    background: rgba(200,169,110,0.05);
    border: 1px solid var(--border);
    text-align: center;
    font-family: 'Shippori Mincho', serif;
    font-size: 14px;
    color: var(--text-body);
    letter-spacing: 0.1em;
  }

  /* ===== CLUB SECTION ===== */
  #club {
    background: var(--dark-mid);
    position: relative;
  }

  .club-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
  }

  .club-text {
    font-size: 14px;
    color: var(--text-body);
    line-height: 2;
    margin-bottom: 20px;
  }

  .club-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: 12px;
    text-decoration: none;
    letter-spacing: 0.1em;
    margin-top: 24px;
    border-bottom: 1px solid rgba(200,169,110,0.3);
    padding-bottom: 2px;
    transition: border-color 0.2s;
  }

  .club-link:hover { border-color: var(--gold); }

  .club-benefits {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .club-banner {
    margin-top: 48px;
    padding: 24px 24px;
    background: rgba(200,169,110,0.05);
    border: 1px solid var(--border);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    color: var(--text-body);
    letter-spacing: 0.1em;
    text-align: left;
  }

  .benefit-item {
    padding: 28px 32px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    position: relative;
    transition: border-color 0.3s;
  }

  .benefit-item:hover { border-color: rgba(200,169,110,0.4); }

  .benefit-icon i {
    color: #C5A24A;
    font-size: 16px;
    border: 1px solid var(--border);
    background: rgba(200,169,110,0.05);
    padding: 8px;
    display: inline-block;
    margin-bottom: 16px;
  }

  .benefit-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--white);
  }

  .benefit-desc {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.8;
  }

  /* ===== Session SECTION ===== */

  .session-section {
    background: linear-gradient(90deg, #14092b 0%, #3b1a6d 50%, #14092b 100%);
    padding: 40px 24px 40px;
    text-align: center;
    color: var(--white);
    position: relative;
  }

  .session-section::before,
  .session-section::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px; /* ← 線の太さ */
    background: rgba(245, 197, 24, 0.3); /* ← 薄い黄色 (#F5C518 の30%) */
  }

  .session-section::before {
    top: 0; /* 上の線 */
  }

  .session-section::after {
    bottom: 0; /* 下の線 */
  }
 
  .session-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 2px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--card-bg);
    color: var(--gold);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
  }
 
  .session-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--gold);
    display: inline-block;
  }
 
  .session-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(16px, 3vw, 32px);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: 0.01em;
    color: var(--white);
  }
 
  .session-title .accent {
    background: linear-gradient(
      90deg,
      #F5C518,
      #f6ea9c,
      #F5C518
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: flow 3s linear infinite;
  }

  @keyframes flow {
    0% { background-position: -200% center; }
    100% { background-position: 0% center; }
  }
 
  .session-meta {
    font-size: 16px;
    color: var(--text-body);
    margin: 0 0 8px;
    letter-spacing: 0.02em;
  }
 
  .session-meta .dot {
    color: var(--text-muted);
    margin: 0 8px;
  }
 
  .session-sub {
    font-size: 12px;
    color: var(--text-body);
    margin: 0 0 24px;
  }
 
  .session-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gold);
    color: var(--dark);
    font-weight: 700;
    font-size: 14px;
    padding: 12px 40px;
    text-decoration: none;
  }
 
  .session-cta:hover {
    transform: translateY(-1.2px);
    box-shadow: 0 12px 28px rgba(245, 197, 24, 0.35);
  }
 
  .session-cta .arrow {
    font-size: 18px;
    line-height: 1;
  }

  /* ===== CTA SECTION ===== */
  #cta {
    background: var(--dark-mid);
    padding: 100px 0;
  }

  .cta-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }

  .cta-title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(28px, 3.5vw, 46px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
  }

  .cta-title .accent { color: var(--gold); }

  .cta-desc {
    font-size: 14px;
    color: var(--text-body);
    line-height: 2;
    margin-bottom: 32px;
  }

  .membership-list {
    list-style: none;
    margin-bottom: 32px;
  }

  .membership-list li {
    font-size: 13px;
    color: var(--text-body);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.7;
  }

  .membership-list li::before {
    content: '◆';
    color: var(--gold);
    font-size: 8px;
    flex-shrink: 0;
    margin-top: 5px;
  }

  .form-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 48px;
  }

  .form-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--white);
    text-align: center;
  }

  .form-group {
    margin-bottom: 20px;
  }

  .form-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
  }

  .form-input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--white);
    padding: 12px 16px;
    font-size: 13px;
    font-family: 'Noto Sans JP', sans-serif;
    outline: none;
    transition: border-color 0.2s;
  }

  .form-input:focus {
    border-color: rgba(200,169,110,0.5);
  }

  .form-input::placeholder {
    color: #555;
  }

  .form-select {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--white);
    padding: 12px 16px;
    font-size: 13px;
    font-family: 'Noto Sans JP', sans-serif;
    outline: none;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.2s;
  }

  .form-select:focus { border-color: rgba(200,169,110,0.5); }
  .form-select option { background: var(--card-bg); }

  .form-submit {
    width: 100%;
    background: var(--gold);
    color: black;
    border: none;
    padding: 16px;
    font-size: 14px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    letter-spacing: 0.15em;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
  }

  .form-submit:hover { 
    background: #F5C518;
    box-shadow: 0 0 18px rgba(245, 197, 24, 0.55); /* 柔らかい光 */
    transform: translateY(-2px); 
  }

  /* ===== MODAL ===== */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
  }

  .modal-overlay.active {
    display: flex;
  }

  .modal-box {
    background: #0a1428;
    border: 1px solid rgba(200,169,110,0.3);
    padding: 56px 48px;
    max-width: 440px;
    width: 90%;
    text-align: center;
    animation: modalIn 0.3s ease;
  }

  @keyframes modalIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .modal-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(200,169,110,0.12);
    border: 2px solid var(--gold);
    color: var(--gold);
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
  }

  .modal-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
  }

  .modal-text {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.9;
    margin-bottom: 32px;
  }

  .modal-close-btn {
    background: var(--gold);
    color: #000;
    border: none;
    padding: 12px 40px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.1em;
    transition: opacity 0.2s;
  }

  .modal-close-btn:hover { opacity: 0.8; }

  /* ===== FOOTER ===== */
  footer {
    background: #050A14;
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
    display: flex;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
  }

  .footer-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.8;
  }

  .footer-col-title {
    font-size: 12px;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-body);
  }

  .footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s;
  }

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

  .footer-contact p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.8;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: #444;
  }

  .footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s;
  }

  .footer-link:hover { color: var(--gold); }

  /* ===== DIVIDER ===== */
  .gold-divider {
    width: 60px;
    height: 1px;
    background: var(--gold);
    opacity: 0.4;
    margin: 0 auto 64px;
  }

  /* ===== SCROLL ANIMATIONS ===== */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

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

  /* ===== HAMBURGER MENU ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 200;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--gold);
  display: block;
  transition: 0.3s;
}

/* 開いたときのアニメーション */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

  /* ===== RESPONSIVE ===== */
  @media (max-width: 680px) {

  nav { padding: 16px 20px; }
  .container { padding: 0 20px; }

  .about-layout,
  .activities-grid,
  .companies-grid,
  .club-layout,
  .cta-layout,
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .session-section { padding: 50px 16px 60px; }
    .session-title { font-size: 24px; }
    .session-meta { font-size: 13px; }
    .session-meta br { display: none; }
    .session-cta { width: 100%; max-width: 320px; padding: 16px 24px; font-size: 15px; }

  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  h1.hero-title { font-size: 42px; }
  section { padding: 64px 0; }

  /* ▼▼ ここからハンバーガーメニュー ▼▼ */

  .nav-cta { display: none; }

  /* ハンバーガーボタン */
  .nav-toggle {
    display: flex;
    cursor: pointer;
    z-index: 200;
  }

  /* PCメニューを隠す */
  .nav-links {
    position: fixed;
    top: 64px;
    right: 0;
    width: 70%;
    height: calc(100vh - 64px);
    background: rgba(5,4,3,0.95);
    backdrop-filter: blur(6px);
    flex-direction: column;
    gap: 28px;
    padding: 40px 24px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 150;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  /* ボタンなど */
  .hero-eyebrow { padding: 40px 80px; }
  .hero-actions { padding: 0 10px; }

  .btn-primary,
  .btn-outline {
    font-size: 13px;
    padding: 12px 20px;
  }

  .hero-scroll {
    bottom: 20px;
    left: 45%;
    transform: translateX(-50%);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center; 
    gap: 8px; 
  }

}