/* 공통 스타일 (notice.html에서 추출) */
  :root{
    --ink:#333333;
    --ink-soft:#6B6260;
    --navy:#2A1512;
    --navy-deep:#170B09;
    --sea:#3B82F6;
    --crab:#EF4444;
    --crab-deep:#DC2626;
    --gold:#F59E0B;
    --gold-bright:#FBBF24;
    --mist:#F7F5F4;
    --paper:#FFFFFF;
    --line:rgba(42,21,18,0.12);
    --shadow:0 20px 44px -24px rgba(23,11,9,0.35);
    --shadow-sm:0 2px 6px -2px rgba(23,11,9,0.16), 0 1px 3px rgba(23,11,9,0.10);
    --shadow-lg:0 30px 60px -20px rgba(23,11,9,0.45), 0 12px 26px -14px rgba(23,11,9,0.3);
    --font-kr:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic','Noto Sans KR',sans-serif;
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark){
    :root{
      --ink:#F5EEEC; --ink-soft:#C9BDB9; --navy:#3D211C; --navy-deep:#170B09; --sea:#60A5FA;
      --crab:#FF6B5B; --crab-deep:#EF4444; --gold:#FBBF24; --gold-bright:#FDE68A;
      --mist:#1A100D; --paper:#241715; --line:rgba(245,238,236,0.14);
      --shadow:0 20px 44px -20px rgba(0,0,0,0.6); --shadow-sm:0 2px 6px -2px rgba(0,0,0,0.45), 0 1px 3px rgba(0,0,0,0.3); --shadow-lg:0 30px 60px -18px rgba(0,0,0,0.8), 0 12px 26px -12px rgba(0,0,0,0.55); color-scheme: dark;
    }
  }
  :root[data-theme="dark"]{
    --ink:#F5EEEC; --ink-soft:#C9BDB9; --navy:#3D211C; --navy-deep:#170B09; --sea:#60A5FA;
    --crab:#FF6B5B; --crab-deep:#EF4444; --gold:#FBBF24; --gold-bright:#FDE68A;
    --mist:#1A100D; --paper:#241715; --line:rgba(245,238,236,0.14);
    --shadow:0 20px 44px -20px rgba(0,0,0,0.6); --shadow-sm:0 2px 6px -2px rgba(0,0,0,0.45), 0 1px 3px rgba(0,0,0,0.3); --shadow-lg:0 30px 60px -18px rgba(0,0,0,0.8), 0 12px 26px -12px rgba(0,0,0,0.55); color-scheme: dark;
  }
  :root[data-theme="light"]{
    --ink:#333333; --ink-soft:#6B6260; --navy:#2A1512; --navy-deep:#170B09; --sea:#3B82F6;
    --crab:#EF4444; --crab-deep:#DC2626; --gold:#F59E0B; --gold-bright:#FBBF24;
    --mist:#F7F5F4; --paper:#FFFFFF; --line:rgba(42,21,18,0.12);
    --shadow:0 20px 44px -24px rgba(23,11,9,0.35); --shadow-sm:0 2px 6px -2px rgba(23,11,9,0.16), 0 1px 3px rgba(23,11,9,0.10); --shadow-lg:0 30px 60px -20px rgba(23,11,9,0.45), 0 12px 26px -14px rgba(23,11,9,0.3); color-scheme: light;
  }
  :root{
    --photo-founders:url("images/founders.jpg");
    --photo-prep:url("images/prep.jpg");
    --photo-bylaws:url("images/bylaws.jpg");
    --photo-chairman:url("images/chairman.jpg");
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth; overflow-x:hidden; width:100%;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }
  body{margin:0; font-family:var(--font-kr); background:var(--mist); color:var(--ink); -webkit-font-smoothing:antialiased; overflow-x:hidden; word-break:keep-all; overflow-wrap:break-word;}
  img,svg{display:block; max-width:100%;}
  a{color:inherit; text-decoration:none;}
  ul{margin:0; padding:0; list-style:none;}
  h1,h2,h3,p{margin:0;}
  button{font-family:inherit;}
  .wrap{max-width:1140px; margin:0 auto; padding:0 24px;}
  .eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:12.5px; font-weight:800; letter-spacing:.14em; text-transform:uppercase; color:var(--crab);}
  .eyebrow::before{content:""; width:18px; height:2px; background:var(--crab); display:inline-block;}
  .section{padding:104px 0;}
  .section-head{max-width:640px; margin-bottom:48px;}
  .section-head h2{font-size:clamp(28px,3.6vw,40px); font-weight:800; letter-spacing:-0.015em; margin-top:12px; text-wrap:balance; line-height:1.25;}
  .section-head p{margin-top:14px; font-size:15.5px; line-height:1.75; color:var(--ink-soft); max-width:56ch;}
  .btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:14px 26px; border-radius:3px; font-weight:700; font-size:14.5px; letter-spacing:-0.005em; border:1px solid transparent; background:none; font-family:inherit; cursor:pointer; transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease; white-space:nowrap;}
  .btn:hover{transform:translateY(-3px);}
  .btn-primary{background:var(--crab); color:#fff; position:relative;}
  .btn-primary:hover{background:var(--crab-deep);}
  .btn-primary::after{content:""; position:absolute; inset:0; border-radius:3px; border:2px solid var(--crab); opacity:.6; animation:pulseRing 2.2s ease-out infinite;}
  .btn-ghost{border-color:rgba(255,255,255,0.55); color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,0.14); border-color:#fff;}
  .btn-line{border-color:var(--line); color:var(--ink);}
  .btn-line:hover{border-color:var(--crab); color:var(--crab);}
  @keyframes pulseRing{0%{transform:scale(1); opacity:.6;} 100%{transform:scale(1.16); opacity:0;}}

  /* ---------- utility disclaimer ---------- */
  /* ---------- header ---------- */
  .site-header{position:fixed; top:0; left:0; right:0; z-index:50; background:transparent; transition:background .25s ease, border-color .25s ease; border-bottom:1px solid transparent;}
  .site-header.is-scrolled{background:var(--paper); box-shadow:0 1px 0 var(--line), 0 12px 24px -18px rgba(8,23,41,0.25);}
  .site-header .wrap{display:flex; align-items:center; justify-content:space-between; height:78px;}
  .brand{display:flex; align-items:center; gap:10px; min-width:0;}
  .brand-mark{width:38px; height:38px; border-radius:50%; background:linear-gradient(155deg, var(--crab) 0%, var(--crab-deep) 100%); display:flex; align-items:center; justify-content:center; flex:none;}
  .brand-mark svg{width:20px; height:20px;}
  .brand-text{display:flex; flex-direction:column; line-height:1.15;}
  .brand-text b{font-size:17px; font-weight:800; letter-spacing:-0.01em; color:var(--ink);}
  .site-header:not(.is-scrolled) .brand-text b{color:#fff;}
  .brand-text span{font-size:11.5px; color:var(--ink-soft); letter-spacing:.01em;}
  .site-header:not(.is-scrolled) .brand-text span{color:rgba(255,255,255,0.72);}
  .gnb{display:flex; align-items:center; gap:28px;}
  .gnb > a, .nav-trigger{font-size:14.5px; font-weight:700; color:var(--ink); position:relative; padding:4px 0; background:none; border:none; margin:0; font-family:inherit; cursor:pointer;}
  .site-header:not(.is-scrolled) .gnb > a, .site-header:not(.is-scrolled) .nav-trigger{color:#fff;}
  .gnb > a::after, .nav-trigger::after{content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--gold-bright); transform:scaleX(0); transform-origin:left; transition:transform .2s ease;}
  .gnb > a:hover::after{transform:scaleX(1);}
  .nav-item{position:relative;}
  .nav-item:hover .nav-trigger::after, .nav-item:focus-within .nav-trigger::after{transform:scaleX(1);}
  .nav-dropdown{position:absolute; top:100%; left:50%; transform:translateX(-50%); background:var(--paper); border:1px solid var(--line); border-radius:6px; box-shadow:var(--shadow-lg); padding:8px; margin-top:2px; min-width:150px; display:flex; flex-direction:column; gap:2px; opacity:0; visibility:hidden; transition:opacity .16s ease;}
  .nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown{opacity:1; visibility:visible;}
  .nav-dropdown a{display:block; padding:9px 12px; border-radius:4px; font-size:13.5px; font-weight:600; color:var(--ink); white-space:nowrap;}
  .nav-dropdown a:hover{background:var(--mist); color:var(--crab);}
  .header-actions{display:flex; align-items:center; gap:12px;}
  .site-header:not(.is-scrolled) .btn-line{border-color:rgba(255,255,255,0.55); color:#fff;}
  .site-header:not(.is-scrolled) .btn-line:hover{border-color:#fff;}
  .burger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
  .burger span{width:22px; height:2px; background:currentColor; color:var(--ink);}
  .site-header:not(.is-scrolled) .burger span{background:#fff;}
  .mobile-panel{position:fixed; inset:0; background:var(--paper); z-index:90; display:flex; flex-direction:column; padding:24px; transform:translateY(-100%); transition:transform .28s ease; overflow-y:auto;}
  .mobile-panel.open{transform:translateY(0);}
  .mobile-panel .top{display:flex; justify-content:flex-end;}
  .mobile-panel .close{background:none; border:none; font-size:26px; color:var(--ink); cursor:pointer;}
  .mobile-panel nav{display:flex; flex-direction:column; gap:0; margin-top:20px;}
  .mobile-panel nav a{font-size:22px; font-weight:800; padding:18px 4px; border-bottom:1px solid var(--line); color:var(--ink);}
  .mp-label{display:block; font-size:12px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; color:var(--crab); padding:20px 4px 4px;}

  /* ---------- hero ---------- */
  .hero{position:relative; background:linear-gradient(165deg, var(--navy-deep) 0%, var(--navy) 55%, var(--sea) 100%); color:#fff; padding:148px 0 0; overflow:hidden;}
  .hero-bg{position:absolute; inset:0; overflow:hidden;}
  .hero-bg::after{content:""; position:absolute; inset:0; background:linear-gradient(200deg, rgba(8,23,41,0.72) 0%, rgba(18,43,71,0.58) 50%, rgba(27,90,120,0.46) 100%);}
  .hero-bg-slide{position:absolute; inset:0; background-size:cover; background-position:center; opacity:0; animation:heroFade 18s ease-in-out infinite;}
  .hero-bg-slide:first-child{opacity:1;}
  .hero-bg-slide:nth-child(2){animation-delay:6s;}
  .hero-bg-slide:nth-child(3){animation-delay:12s;}
  @keyframes heroFade{0%{opacity:0;} 8%{opacity:1;} 30%{opacity:1;} 38%{opacity:0;} 100%{opacity:0;}}
  .blob{position:absolute; border-radius:50%; filter:blur(6px); opacity:.5; pointer-events:none;}
  .blob-1{width:460px; height:460px; right:-100px; top:-60px; background:radial-gradient(circle, var(--crab) 0%, rgba(216,69,42,0) 70%); animation:drift1 16s ease-in-out infinite;}
  .blob-2{width:340px; height:340px; left:-80px; top:220px; background:radial-gradient(circle, var(--gold-bright) 0%, rgba(242,198,105,0) 70%); opacity:.35; animation:drift2 20s ease-in-out infinite;}
  @keyframes drift1{0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-40px,30px) scale(1.08);}}
  @keyframes drift2{0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(30px,-25px) scale(1.1);}}
  .hero-grid{position:relative; z-index:2; display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center; padding-bottom:56px;}
  .hero-copy .eyebrow{color:var(--gold-bright);}
  .hero-copy .eyebrow::before{background:var(--gold-bright);}
  .hero-slogan{display:flex; align-items:center; gap:12px; font-size:clamp(14px,1.6vw,16.5px); font-weight:700; color:rgba(255,255,255,0.92); letter-spacing:-0.005em;}
  .hero-slogan .hs-mark{width:20px; height:2px; background:var(--gold-bright); flex:none;}
  .hero-slogan em{font-style:normal; color:var(--gold-bright); font-weight:800;}
  .hero-copy h1{margin-top:18px; font-size:clamp(34px,5vw,56px); font-weight:800; line-height:1.24; letter-spacing:-0.015em; text-wrap:balance;}
  .hero-copy h1 em{font-style:normal; color:var(--gold-bright);}
  .hero-copy p{margin-top:22px; font-size:16.5px; line-height:1.8; color:rgba(255,255,255,0.84); max-width:52ch;}
  .hero-actions{display:flex; gap:12px; margin-top:32px; flex-wrap:wrap;}

  .countdown-card{background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.18); border-radius:6px; padding:26px 26px 22px; backdrop-filter:blur(6px);}
  .countdown-card .cc-label{display:flex; align-items:center; gap:8px; font-size:12.5px; font-weight:800; letter-spacing:.06em; color:var(--gold-bright); text-transform:uppercase;}
  .countdown-card .cc-label svg{width:15px; height:15px;}
  .countdown-card .cc-date{margin-top:8px; font-size:15px; color:rgba(255,255,255,0.85);}
  .countdown-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin-top:18px;}
  .cd-unit{background:rgba(0,0,0,0.18); border-radius:4px; padding:14px 4px; text-align:center;}
  .cd-unit b{display:block; font-size:clamp(22px,3vw,32px); font-weight:800; font-variant-numeric:tabular-nums; color:#fff; letter-spacing:-0.01em;}
  .cd-unit span{display:block; font-size:11px; margin-top:4px; color:rgba(255,255,255,0.65); letter-spacing:.04em;}
  .countdown-venue{margin-top:16px; display:flex; align-items:center; gap:8px; font-size:13.5px; color:rgba(255,255,255,0.85);}
  .countdown-venue svg{width:15px; height:15px; color:var(--gold-bright); flex:none;}

  .hero-horizon{position:relative; z-index:2; line-height:0;}
  .hero-horizon svg{width:100%; height:auto; display:block;}

  /* ---------- marquee ---------- */
  .marquee{background:var(--crab); color:#fff; overflow:hidden; white-space:nowrap; position:relative; z-index:2;}
  .marquee-track{display:inline-flex; align-items:center; gap:36px; padding:13px 0; animation:marqueeMove 26s linear infinite;}
  .marquee:hover .marquee-track{animation-play-state:paused;}
  @keyframes marqueeMove{from{transform:translateX(0);} to{transform:translateX(-50%);}}
  .marquee-item{display:inline-flex; align-items:center; gap:14px; font-size:14px; font-weight:800; letter-spacing:.02em;}
  .marquee-item svg{width:13px; height:13px; opacity:.85;}

  /* ---------- notice band ---------- */
  .notice-band{background:var(--paper); border-bottom:1px solid var(--line);}
  .notice-band .wrap{display:flex; align-items:center; gap:24px; padding-top:18px; padding-bottom:18px;}
  .notice-pin{flex:none; display:flex; align-items:center; gap:10px; background:var(--mist); border:1px solid var(--line); border-radius:20px; padding:7px 14px 7px 8px;}
  .notice-pin .badge{background:var(--crab); color:#fff; font-size:11px; font-weight:800; padding:3px 8px; border-radius:20px; flex:none;}
  .notice-pin span{font-size:13.5px; font-weight:700;}
  .notice-pin button{background:none; border:none; color:var(--sea); font-weight:800; font-size:12.5px; cursor:pointer; text-decoration:underline; padding:0;}
  .notice-list{display:flex; gap:34px; overflow-x:auto; scrollbar-width:none;}
  .notice-list::-webkit-scrollbar{display:none;}
  .notice-item{flex:none; display:flex; align-items:baseline; gap:10px; font-size:13.5px; color:var(--ink-soft);}
  .notice-item .d{font-variant-numeric:tabular-nums; font-size:12px;}

  /* ---------- slogan ---------- */
  .slogan{background:var(--paper); padding:96px 0; text-align:center;}
  .slogan .eyebrow{justify-content:center;}
  .slogan-text{margin-top:26px; font-size:clamp(28px,4.6vw,46px); font-weight:800; line-height:1.55; letter-spacing:-0.015em; color:var(--ink); text-wrap:balance;}
  .slogan-text em{font-style:normal; color:var(--crab);}
  .slogan-mark{display:block; width:64px; height:4px; background:var(--crab); border-radius:2px; margin:32px auto 0;}

  .reveal{opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; transition-delay:calc(var(--i,0) * 70ms);}
  .reveal.is-visible{opacity:1; transform:translateY(0);}

  .wave-divider{line-height:0; display:block;}
  .wave-divider svg{width:100%; height:auto; display:block;}

  /* ---------- message ---------- */
  .message{background:var(--paper); position:relative;}
  .message-grid{display:grid; grid-template-columns:0.6fr 1fr; gap:60px; align-items:center;}
  .portrait-frame{width:100%; aspect-ratio:1/1; border-radius:50%; position:relative; background:linear-gradient(155deg, #FBE6C9, var(--gold-bright)); border:1px solid var(--line); display:flex; align-items:center; justify-content:center;}
  .portrait-frame svg{width:34%; height:34%; color:var(--crab-deep); opacity:.7;}
  .portrait-frame::after{content:""; position:absolute; inset:-10px; border-radius:50%; border:1px dashed var(--line);}
  .portrait-cap{text-align:center; margin-top:20px; font-size:13.5px; color:var(--ink-soft);}
  .portrait-cap b{display:block; color:var(--ink); font-size:15.5px; margin-bottom:2px;}
  .message-quote{font-size:clamp(20px,2.3vw,27px); font-weight:800; line-height:1.55; color:var(--ink); letter-spacing:-0.01em; text-wrap:balance;}
  .message-quote::before{content:"“"; color:var(--crab); font-size:1.3em; margin-right:2px;}
  .message-body{margin-top:20px; font-size:15.5px; line-height:1.9; color:var(--ink-soft);}
  .message-body + .message-body{margin-top:14px;}
  .message-sign{margin-top:24px; font-size:14.5px; font-weight:800; color:var(--ink);}

  /* ---------- values ---------- */
  .values{background:var(--mist); position:relative; overflow:hidden;}
  .values::before{content:""; position:absolute; left:0; right:0; top:-60px; height:160px; background:linear-gradient(120deg, rgba(216,69,42,0.07), rgba(27,90,120,0.07)); transform:skewY(-2.2deg); transform-origin:left; z-index:0;}
  .values .wrap{position:relative; z-index:1;}
  .values-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:6px; overflow:hidden; box-shadow:var(--shadow);}
  .value-card{background:linear-gradient(180deg, var(--paper), color-mix(in srgb, var(--paper) 96%, var(--ink))); box-shadow:var(--shadow-sm); padding:34px 26px; transition:background .2s ease, transform .2s ease, box-shadow .2s ease;}
  .value-card:nth-child(even) .value-icon{color:var(--sea);}
  .value-card:hover{background:var(--mist); transform:translateY(-4px); box-shadow:var(--shadow-lg);}
  .value-icon{width:36px; height:36px; color:var(--crab);}
  .value-card h3{margin-top:18px; font-size:18px; font-weight:800;}
  .value-card p{margin-top:8px; font-size:13.5px; line-height:1.7; color:var(--ink-soft);}

  /* ---------- founding meeting feature ---------- */
  .founding{background:var(--mist);}
  .founding-card{background:var(--paper); border:1px solid var(--line); border-radius:8px; overflow:hidden; display:grid; grid-template-columns:1fr 1fr; box-shadow:var(--shadow-lg);}
  .founding-visual{background:linear-gradient(150deg, var(--crab) 0%, var(--crab-deep) 100%); padding:44px; color:#fff; position:relative; display:flex; flex-direction:column; justify-content:center; gap:22px;}
  .founding-visual .tag{display:inline-flex; align-self:flex-start; align-items:center; gap:8px; background:rgba(255,255,255,0.16); border:1px solid rgba(255,255,255,0.45); color:#fff; font-size:12px; font-weight:800; padding:6px 12px; border-radius:20px; letter-spacing:.04em;}
  .founding-visual h3{font-size:clamp(22px,2.6vw,30px); font-weight:800; line-height:1.4; text-wrap:balance;}
  .founding-countdown{display:grid; grid-template-columns:repeat(4,1fr); gap:8px;}
  .founding-countdown .cd-unit{background:rgba(255,255,255,0.09);}
  .founding-detail{padding:44px; display:flex; flex-direction:column; gap:22px;}
  .fd-row{display:flex; gap:16px; align-items:flex-start;}
  .fd-row svg{width:20px; height:20px; color:var(--crab); flex:none; margin-top:2px;}
  .fd-row b{display:block; font-size:12.5px; font-weight:800; letter-spacing:.03em; color:var(--ink-soft); text-transform:uppercase;}
  .fd-row p{margin-top:4px; font-size:16px; font-weight:700; color:var(--ink);}
  .fd-note{margin-top:4px; background:var(--mist); border:1px dashed var(--line); border-radius:6px; padding:16px 18px; font-size:13.5px; line-height:1.75; color:var(--ink-soft);}
  .fd-note b{color:var(--crab-deep);}
  .fd-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:6px;}

  /* ---------- progress ---------- */
  .progress-note{display:inline-flex; align-items:center; gap:8px; font-size:12.5px; color:var(--ink-soft); border:1px dashed var(--line); padding:7px 12px; border-radius:3px; margin-bottom:36px;}
  .progress{position:relative; padding-left:32px; border-left:2px solid var(--line);}
  .progress-item{position:relative; padding-bottom:38px;}
  .progress-item:last-child{padding-bottom:0;}
  .progress-item::before{content:""; position:absolute; left:-41px; top:0; width:20px; height:20px; border-radius:50%; background:var(--sea); border:3px solid var(--paper); box-shadow:0 0 0 1px var(--line); display:flex; align-items:center; justify-content:center;}
  .progress-item.done::before{background:var(--sea);}
  .progress-item.active::before{background:var(--crab); animation:activeDot 1.6s ease-in-out infinite;}
  .progress-item.upcoming::before{background:var(--paper); box-shadow:0 0 0 2px var(--line) inset, 0 0 0 1px var(--line);}
  @keyframes activeDot{0%,100%{box-shadow:0 0 0 0 rgba(216,69,42,0.45);} 50%{box-shadow:0 0 0 8px rgba(216,69,42,0);}}
  .progress-item .st{font-size:12px; font-weight:800; letter-spacing:.05em; text-transform:uppercase;}
  .progress-item.done .st{color:var(--sea);}
  .progress-item.active .st{color:var(--crab);}
  .progress-item.upcoming .st{color:var(--ink-soft);}
  .progress-item h3{margin-top:6px; font-size:17px; font-weight:800;}
  .progress-item p{margin-top:6px; font-size:14.5px; color:var(--ink-soft); line-height:1.7; max-width:60ch;}

  /* ---------- activities ---------- */
  .activities-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .activity-card{background:linear-gradient(180deg, var(--paper), color-mix(in srgb, var(--paper) 96%, var(--ink))); box-shadow:var(--shadow-sm); padding:36px 30px; transition:background .2s ease, transform .2s ease, box-shadow .2s ease;}
  .activity-card:hover{background:var(--mist); transform:translateY(-3px); box-shadow:var(--shadow-lg);}
  .activity-num{font-size:12px; font-weight:800; color:var(--sea); letter-spacing:.06em; font-variant-numeric:tabular-nums;}
  .activity-icon{width:34px; height:34px; color:var(--crab); margin:16px 0 18px;}
  .activity-card h3{font-size:17px; font-weight:800;}
  .activity-card p{margin-top:10px; font-size:14px; line-height:1.75; color:var(--ink-soft);}

  /* ---------- gallery ---------- */
  .gallery-grid{display:grid; grid-template-columns:repeat(3,1fr); grid-auto-rows:190px; gap:14px;}
  .gallery-grid > a:nth-child(1){grid-column:span 2; grid-row:span 2;}
  .gallery-tile{position:relative; border-radius:2px; overflow:hidden; display:block; height:100%; background-size:220% 220%; background-position:center; transition:transform .3s ease;}
  .gallery-tile.photo{background-size:cover;}
  .gallery-tile:hover{transform:scale(1.02);}
  .gallery-tile span{position:absolute; left:14px; bottom:12px; color:#fff; font-size:13.5px; font-weight:700; text-shadow:0 2px 10px rgba(0,0,0,0.45);}
  .gallery-tile::after{content:""; position:absolute; inset:0; background:linear-gradient(0deg, rgba(10,20,30,0.6) 0%, rgba(10,20,30,0) 45%);}
  .g1{background-image:linear-gradient(135deg,#081729,#122B47,#3E86AC);}
  .g2{background-image:linear-gradient(135deg,#A8331E,#D8452A,#E56A48);}
  .g3{background-image:linear-gradient(135deg,#122B47,#1B5A78);}
  .g4{background-image:linear-gradient(135deg,#F59E0B,#EF4444);}
  .g5{background-image:linear-gradient(135deg,#170B09,#EF4444);}
  .g6{background-image:linear-gradient(135deg,#2A1512,#F59E0B);}

  /* ---------- theme song ---------- */
  .video-frame{position:relative; width:100%; aspect-ratio:16/9; border-radius:8px; overflow:hidden; border:1px solid var(--line); box-shadow:var(--shadow); background:var(--navy-deep);}
  .video-frame iframe{position:absolute; inset:0; width:100%; height:100%; border:0; display:block;}

  /* ---------- contact ---------- */
  .contact{background:var(--paper); position:relative; overflow:hidden;}
  .contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
  .contact-list{margin-top:28px; display:flex; flex-direction:column; gap:20px;}
  .contact-row{display:flex; gap:14px; align-items:flex-start;}
  .contact-row svg{width:19px; height:19px; flex:none; margin-top:2px; color:var(--crab);}
  .contact-row b{display:block; font-size:12.5px; color:var(--ink-soft); font-weight:700; letter-spacing:.03em; text-transform:uppercase;}
  .contact-row p{margin-top:3px; font-size:15.5px; color:var(--ink);}
  .map-box{border:1px dashed var(--line); border-radius:4px; height:100%; min-height:280px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; background:var(--mist); color:var(--ink-soft); text-align:center; padding:24px;}
  .map-box svg{width:30px; height:30px;}
  .map-box p{font-size:13px; line-height:1.7;}

  /* ---------- cta band ---------- */
  .cta-band{background:var(--mist); padding:70px 0;}
  .cta-inner{background:var(--paper); border:1px solid var(--line); border-radius:6px; padding:44px 48px; display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;}
  .cta-inner h3{font-size:22px; font-weight:800; text-wrap:balance;}
  .cta-inner p{margin-top:8px; font-size:14.5px; color:var(--ink-soft);}

  /* ---------- footer ---------- */
  .site-footer{background:var(--paper); color:var(--ink-soft); padding:56px 0 28px; border-top:1px solid var(--line);}
  .footer-top{display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:36px; border-bottom:1px solid var(--line);}
  .footer-brand b{color:var(--ink); font-size:18px; font-weight:800;}
  .footer-brand p{margin-top:10px; font-size:13.5px; line-height:1.8; max-width:34ch;}
  .footer-cols{display:flex; gap:64px;}
  .footer-col h4{color:var(--ink); font-size:13px; font-weight:700; margin-bottom:14px; letter-spacing:.02em;}
  .footer-col ul{display:flex; flex-direction:column; gap:9px;}
  .footer-col a{font-size:13.5px;}
  .footer-col a:hover{color:var(--crab);}
  .footer-bottom{display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; padding-top:22px; font-size:12.5px;}
  .socials{display:flex; gap:10px;}
  .socials a{width:32px; height:32px; border:1px solid var(--line); border-radius:50%; display:flex; align-items:center; justify-content:center; color:var(--ink-soft);}
  .socials a:hover{border-color:var(--crab); color:var(--crab);}
  .socials svg{width:14px; height:14px;}

  /* ---------- popup modal ---------- */
  .modal-overlay{position:fixed; inset:0; background:rgba(6,14,22,0.72); backdrop-filter:blur(3px); z-index:200; display:flex; align-items:center; justify-content:center; padding:24px; opacity:0; pointer-events:none; transition:opacity .25s ease;}
  .modal-overlay.open{opacity:1; pointer-events:auto;}
  .modal-card{background:var(--paper); border-radius:10px; overflow:hidden; max-width:420px; width:100%; max-height:90vh; display:flex; flex-direction:column; box-shadow:0 30px 70px -20px rgba(0,0,0,0.55); transform:scale(.94) translateY(10px); transition:transform .28s ease;}
  .modal-overlay.open .modal-card{transform:scale(1) translateY(0);}
  .modal-head{display:flex; justify-content:space-between; align-items:center; padding:14px 16px; border-bottom:1px solid var(--line); flex:none;}
  .modal-head span{font-size:13px; font-weight:800; color:var(--ink-soft); display:flex; align-items:center; gap:8px;}
  .modal-head .badge-dot{width:7px; height:7px; border-radius:50%; background:var(--crab); flex:none;}
  .modal-head button{background:none; border:none; font-size:22px; line-height:1; color:var(--ink-soft); cursor:pointer; padding:2px 4px;}
  .modal-head button:hover{color:var(--ink);}
  .modal-body{overflow-y:auto; flex:1;}
  .modal-body img{width:100%; display:block;}
  .modal-foot{padding:14px 16px; border-top:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; gap:12px; flex:none; flex-wrap:wrap;}
  .modal-check{display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--ink-soft); cursor:pointer;}
  .modal-check input{accent-color:var(--crab);}
  .modal-foot .btn{padding:10px 18px; font-size:13.5px;}
  .modal-foot .btn-primary::after{display:none;}

  /* ---------- notice board ---------- */
  .admin-bar{display:flex; justify-content:flex-end; margin-bottom:28px;}
  #adminLoggedOut, #adminLoggedIn{display:flex; align-items:center; gap:10px; flex-wrap:wrap;}
  .admin-status{font-size:13px; font-weight:800; color:var(--sea);}
  .notice-form{background:var(--mist); border:1px solid var(--line); border-radius:6px; padding:22px; margin-bottom:24px; box-shadow:var(--shadow-sm);}
  .form-label{display:block; font-size:12.5px; font-weight:800; color:var(--ink-soft); letter-spacing:.02em; margin-bottom:14px;}
  .form-label input, .form-label textarea, .notice-form input, .notice-form textarea{
    display:block; width:100%; margin-top:6px; padding:11px 12px; border:1px solid var(--line); border-radius:4px;
    font-family:inherit; font-size:14px; background:var(--paper); color:var(--ink); resize:vertical;}
  .notice-form-actions{display:flex; gap:10px; margin-top:4px;}
  .notice-image-preview{display:flex; align-items:center; gap:14px; margin:-6px 0 16px;}
  .notice-image-preview img{width:88px; height:88px; object-fit:cover; border-radius:6px; border:1px solid var(--line);}
  .notice-card-image{width:100%; max-height:360px; object-fit:cover; border-radius:6px; margin-bottom:14px; display:block;}
  .form-error{color:var(--crab); font-size:13px; margin:-4px 0 4px;}
  .notice-table{border:1px solid var(--line); border-radius:6px; overflow:hidden; box-shadow:var(--shadow-sm);}
  .notice-table-head{display:flex; align-items:center; gap:16px; padding:13px 18px; background:var(--mist); font-size:12px; font-weight:800; color:var(--ink-soft); letter-spacing:.02em;}
  .notice-row{display:flex; align-items:center; gap:16px; padding:16px 18px; text-decoration:none; color:var(--ink); transition:background .15s ease;}
  .notice-row + .notice-row{border-top:1px solid var(--line);}
  .notice-row:hover{background:var(--mist);}
  .notice-table-head .nt-num, .notice-row .nt-num{width:44px; flex:none; font-variant-numeric:tabular-nums;}
  .notice-table-head .nt-title, .notice-row .nt-title{flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
  .notice-row .nt-title{font-weight:700; font-size:14.5px;}
  .notice-table-head .nt-author, .notice-row .nt-author{width:130px; flex:none;}
  .notice-table-head .nt-date, .notice-row .nt-date{width:100px; flex:none; text-align:right; font-variant-numeric:tabular-nums;}
  .notice-row .nt-author, .notice-row .nt-date{font-size:13px; color:var(--ink-soft);}
  .nt-img-mark{font-size:12px; margin-left:2px;}
  .notice-admin-actions{display:flex; gap:8px;}
  .btn-mini{font-size:12.5px; font-weight:700; padding:6px 14px; border-radius:20px; border:1px solid var(--line); background:var(--paper); color:var(--ink); cursor:pointer;}
  .btn-mini:hover{border-color:var(--sea); color:var(--sea);}
  .btn-mini.danger{color:var(--crab); border-color:var(--crab);}
  .btn-mini.danger:hover{background:var(--crab); color:#fff;}
  .notice-empty, .notice-loading{color:var(--ink-soft); font-size:14px; padding:24px 18px; text-align:center;}

  .notice-detail{border:1px solid var(--line); border-radius:8px; padding:32px; box-shadow:var(--shadow-sm); background:var(--paper);}
  .notice-detail-head h3{font-size:clamp(20px,2.6vw,26px); font-weight:800; line-height:1.4; text-wrap:balance;}
  .notice-detail-meta{margin-top:10px; display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-soft);}
  .notice-detail-meta .dot{opacity:.5;}
  .notice-detail-image{display:block; width:100%; max-height:520px; object-fit:contain; background:var(--mist); border:1px solid var(--line); border-radius:6px; margin:24px 0;}
  .notice-detail-body{font-size:15.5px; line-height:1.9; color:var(--ink); margin-top:24px; padding-top:24px; border-top:1px solid var(--line);}
  .notice-detail-actions{margin-top:32px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;}

  /* ---------- member search ---------- */
  .member-search-box{position:relative; margin-bottom:16px;}
  .member-search-box input{width:100%; padding:16px 20px 16px 48px; font-size:16px; font-family:inherit; border:1px solid var(--line); border-radius:8px; background:var(--paper); color:var(--ink); box-shadow:var(--shadow-sm);}
  .member-search-box input:focus{outline:none; border-color:var(--crab);}
  .member-search-box svg{position:absolute; left:16px; top:50%; transform:translateY(-50%); width:20px; height:20px; color:var(--ink-soft); pointer-events:none;}
  .member-search-hint{font-size:13.5px; color:var(--ink-soft); margin-bottom:20px; padding:4px 2px;}
  .member-table{border:1px solid var(--line); border-radius:6px; overflow:hidden; box-shadow:var(--shadow-sm);}
  .member-table-head{display:flex; align-items:center; gap:16px; padding:13px 18px; background:var(--mist); font-size:12px; font-weight:800; color:var(--ink-soft); letter-spacing:.02em;}
  .member-row{display:flex; align-items:center; gap:16px; padding:14px 18px;}
  .member-row + .member-row{border-top:1px solid var(--line);}
  .member-table-head .mt-name, .member-row .mt-name{width:110px; flex:none; font-weight:800;}
  .member-table-head .mt-group, .member-row .mt-group{width:170px; flex:none; font-size:13.5px; color:var(--ink-soft);}
  .member-table-head .mt-role, .member-row .mt-role{width:130px; flex:none;}
  .member-table-head .mt-business, .member-row .mt-business{flex:1; font-size:13.5px; color:var(--ink-soft);}
  .role-badge{display:inline-block; padding:3px 10px; border-radius:20px; font-size:12px; font-weight:700; background:var(--mist); color:var(--ink-soft);}
  .role-badge.leader{background:color-mix(in srgb, var(--crab) 14%, transparent); color:var(--crab);}
  .mt-business-empty{opacity:.55;}

  @media (max-width:640px){
    .member-table-head{display:none;}
    .member-row{flex-wrap:wrap; gap:6px 12px;}
    .member-row .mt-name, .member-row .mt-group, .member-row .mt-role, .member-row .mt-business{width:auto; flex:none;}
  }

  @media (max-width:640px){
    .notice-table-head{display:none;}
    .notice-row{flex-wrap:wrap; gap:4px 12px; padding:14px 16px;}
    .notice-row .nt-num{display:none;}
    .notice-row .nt-title{width:100%; white-space:normal;}
    .notice-row .nt-author, .notice-row .nt-date{width:auto; flex:none;}
    .notice-detail{padding:22px;}
  }

  .quick-menu{position:fixed; right:20px; top:50%; transform:translateY(-50%); z-index:80; display:flex; flex-direction:column; gap:10px;}
  .quick-btn{width:54px; height:54px; border-radius:50%; background:var(--paper); border:1px solid var(--line); box-shadow:var(--shadow-lg); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; color:var(--ink); cursor:pointer; text-decoration:none;
    transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;}
  .quick-btn svg{width:19px; height:19px;}
  .quick-btn .qb-label{font-size:9px; font-weight:800; letter-spacing:.02em;}
  .quick-btn:hover{background:var(--crab); border-color:var(--crab); color:#fff; transform:translateY(-3px);}
  .quick-top{opacity:0; transform:translateY(8px); pointer-events:none; transition:opacity .25s ease, transform .25s ease, background .18s ease, color .18s ease;}
  .quick-top.show{opacity:1; transform:translateY(0); pointer-events:auto;}
  .quick-top.show:hover{transform:translateY(-3px);}

  /* ---------- org chart ---------- */
  .leader-tier{display:flex; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:16px; position:relative;}
  .leader-tier::before{content:""; position:absolute; left:50%; top:-16px; width:2px; height:16px; background:var(--line);}
  .leader-tier:first-of-type::before{display:none;}
  .leader-card{background:linear-gradient(180deg, var(--paper), color-mix(in srgb, var(--paper) 96%, var(--ink))); border:1px solid var(--line); border-radius:6px; padding:14px 22px; text-align:center; display:flex; flex-direction:column; gap:4px; min-width:150px; box-shadow:var(--shadow-sm); transition:transform .2s ease, box-shadow .2s ease;}
  .leader-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-lg);}
  .leader-card.wide{min-width:auto; width:100%; max-width:720px;}
  .leader-card.featured{background:linear-gradient(155deg, var(--crab), var(--crab-deep)); border-color:transparent; padding:20px 40px; box-shadow:var(--shadow-lg);}
  .lc-role{font-size:11.5px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft);}
  .leader-card.featured .lc-role{color:rgba(255,255,255,0.8);}
  .lc-name{font-size:15.5px; font-weight:800; color:var(--ink);}
  .leader-card.featured .lc-name{color:#fff; font-size:19px;}

  .org-group-head{display:flex; align-items:baseline; gap:10px; margin:56px 0 20px;}
  .org-group-head h3{font-size:19px; font-weight:800; display:flex; align-items:baseline; gap:10px;}
  .org-group-head h3 span{font-size:12.5px; font-weight:700; color:var(--crab); background:color-mix(in srgb, var(--crab) 12%, transparent); padding:3px 10px; border-radius:20px;}

  .org-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px;}
  .org-card{background:linear-gradient(180deg, var(--paper), color-mix(in srgb, var(--paper) 96%, var(--ink))); border:1px solid var(--line); border-radius:6px; overflow:hidden; box-shadow:var(--shadow-sm); transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;}
  .org-card:hover{box-shadow:var(--shadow-lg); transform:translateY(-2px);}
  .org-card[open]{border-color:var(--crab);}
  .org-card summary{list-style:none; cursor:pointer; padding:16px 18px; display:flex; align-items:center; justify-content:space-between; gap:14px;}
  .org-card summary::-webkit-details-marker{display:none;}
  .oc-title{display:flex; flex-direction:column; gap:2px;}
  .oc-title b{font-size:15px; font-weight:800;}
  .oc-title i{font-style:normal; font-size:13px; color:var(--ink-soft);}
  .oc-meta{display:flex; align-items:center; gap:8px; font-size:12.5px; font-weight:700; color:var(--ink-soft); flex:none;}
  .chevron{width:15px; height:15px; transition:transform .2s ease;}
  .org-card[open] .chevron{transform:rotate(180deg);}
  .org-members{padding:0 18px 18px; display:flex; flex-wrap:wrap; gap:8px;}
  .member-chip{background:var(--mist); border:1px solid var(--line); border-radius:20px; padding:5px 12px; font-size:13px; font-weight:600;}
  .member-chip.muted{color:var(--ink-soft); font-style:normal;}

  @media (max-width: 900px){
    .gnb{display:none;}
    .burger{display:flex;}
    .hero-grid{grid-template-columns:1fr; padding-bottom:44px;}
    .hero{padding-top:120px;}
    .countdown-grid{grid-template-columns:repeat(4,1fr);}
    .message-grid{grid-template-columns:1fr; gap:36px;}
    .portrait-frame{max-width:200px; margin:0 auto;}
    .values-grid{grid-template-columns:repeat(2,1fr);}
    .founding-card{grid-template-columns:1fr;}
    .activities-grid{grid-template-columns:1fr;}
    .org-grid{grid-template-columns:1fr;}
    .leader-card{min-width:0; width:100%;}
    .leader-tier{flex-direction:column; align-items:stretch;}
    .gallery-grid{grid-template-columns:repeat(2,1fr); grid-auto-rows:150px;}
    .gallery-grid > a:nth-child(1){grid-column:span 2; grid-row:span 1;}
    .contact-grid{grid-template-columns:1fr;}
    .footer-top{flex-direction:column; gap:28px;}
    .footer-cols{gap:40px;}
    .section{padding:68px 0;}
    .founding-visual, .founding-detail{padding:32px 26px;}
    .quick-menu{right:14px; top:auto; bottom:20px; transform:none;}
  }
  @media (max-width: 560px){
    .footer-cols{flex-wrap:wrap; gap:28px;}
    .countdown-grid{gap:6px;}
    .cd-unit{padding:10px 2px;}
    .quick-btn{width:46px; height:46px;}
    .quick-btn .qb-label{display:none;}
    .modal-overlay{padding:28px 16px; justify-content:flex-start;}
    .modal-card{max-width:280px; max-height:78vh;}
    .modal-body{display:flex; align-items:center; justify-content:center; background:var(--mist);}
    .modal-body img{width:100%; height:auto; max-width:100%; max-height:55vh; object-fit:contain; margin:0;}
  }