:root{--auth-bg:#05080b;--auth-ink:#e7e0d1;--auth-muted:#a7a29a;--auth-accent:#c9a456;--auth-accent-2:#6f4e1f}*,:before,:after{box-sizing:border-box}html,body{background:radial-gradient(1200px 600px at 50% -100px, #16212c 0%, var(--auth-bg) 60%, #05080b 100%);height:100%;color:var(--auth-ink);overscroll-behavior:contain;margin:0;font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,メイリオ,sans-serif;line-height:1.7}.container{width:min(1100px,92%);margin:0 auto}.site-header .nav{flex-wrap:wrap;flex:1;justify-content:center;align-items:center;gap:20px;display:flex}#intro-curtain{z-index:1999;pointer-events:none;background:#000;animation:2.8s ease-out forwards curtainFade;position:fixed;inset:0}@keyframes curtainFade{0%{opacity:1}to{opacity:0}}#intro-lift{z-index:1998;pointer-events:none;mix-blend-mode:screen;opacity:0;background:radial-gradient(800px 480px at 50% 52%,#faecb461 0%,#c9a45638 35%,#c9a4561a 60%,#c9a45600 85%);animation:2.6s ease-out .3s forwards liftExpand;position:fixed;inset:0;transform:scale(.9)}@keyframes liftExpand{0%{opacity:0;transform:scale(.9)}35%{opacity:.9}to{opacity:0;transform:scale(1.55)}}.site-header{z-index:20;-webkit-backdrop-filter:saturate(120%)blur(2px);backdrop-filter:saturate(120%)blur(2px);background:linear-gradient(#0009,#0003 40%,#0000);border-bottom:1px solid #ffffff0f;position:fixed;inset:0 0 auto}.site-header .container{align-items:center;gap:24px;padding:10px 0;display:flex}.brand-logo{filter:saturate(.72)brightness(.9)drop-shadow(0 1px 2px #000000b3);opacity:.85;height:52px;display:block}.nav{flex-wrap:wrap;flex:1;justify-content:center;gap:20px;display:flex}.nav a,.nav button{color:var(--auth-ink);opacity:.85;background:0 0;border:0;border-radius:6px;padding:6px 10px;font-size:14px;text-decoration:none;transition:all .15s}.nav a:hover,.nav button:hover{opacity:1;background:#ffffff0f}.header-cta{align-items:center;margin-left:auto;display:flex}.btn{letter-spacing:.02em;cursor:pointer;border:1px solid #ffffff1f;border-radius:10px;justify-content:center;align-items:center;padding:12px 22px;font-weight:600;text-decoration:none;transition:all .18s;display:inline-flex}.btn-primary{background:linear-gradient(180deg, var(--auth-accent), var(--auth-accent-2));color:#111;border-color:#00000080;animation:2.4s ease-in-out infinite torch}.btn-ghost{color:var(--auth-ink);background:#ffffff0f}.hero{min-height:80vh;margin-bottom:0;padding-top:120px;position:relative;overflow:hidden}.hero:after{content:"";z-index:0;mix-blend-mode:screen;opacity:.35;pointer-events:none;background:radial-gradient(1200px 500px at -10% 40%,#ffffff0f,#0000 60%),radial-gradient(900px 400px at 110% 55%,#ffffff0d,#0000 60%);animation:22s linear infinite fog-move;position:absolute;inset:-10% -10% -5%}@keyframes fog-move{0%{transform:translate(0,0)}50%{transform:translate(-2%,-1%)}to{transform:translate(0,0)}}.hero-media{background-position:50%;background-size:cover;transition:transform .3s;position:absolute;inset:0;transform:scale(1.02)}.hero-clouds,.hero-overlay{z-index:1;position:absolute;inset:0}.hero-clouds{opacity:.5;mix-blend-mode:screen;background:radial-gradient(800px 400px at 50% 10%,#fff3,#0000 70%)}.hero-overlay{background:linear-gradient(#05080b33,#05080bd9 70%,#000)}.hero-inner{z-index:2;flex-direction:column;justify-content:flex-end;align-items:center;min-height:80vh;padding-bottom:120px;display:flex;position:relative}.hero-logo{width:min(90vw,480px);margin-bottom:14px;display:block}.tagline{letter-spacing:.12em;text-transform:uppercase;font-size:18px}.auth-main{padding-top:16px}.auth-flash{margin:12px 0}.auth-flash #informations{gap:8px;display:grid}.auth-flash #informations>div{letter-spacing:.02em;color:#0f172a;background:#fef9c3;border:1px solid #eab30866;border-radius:12px;padding:12px 14px;font-weight:700;box-shadow:0 8px 20px #00000014}.auth-flash #informations .success{color:#14532d;background:#dcfce7;border-color:#4ade8080}.auth-flash #informations .error,.auth-flash #informations .danger{color:#7f1d1d;background:#fee2e2;border-color:#f8717180}.hamburger{z-index:25;cursor:pointer;background:0 0;border:0;width:40px;height:40px;margin-left:auto;display:none;position:relative}.hamburger span{background:#e7e0d1eb;border-radius:2px;height:2px;transition:all .25s;position:absolute;left:9px;right:9px}.hamburger span:first-child{top:12px}.hamburger span:nth-child(2){top:19px}.hamburger span:nth-child(3){top:26px}body.drawer-open .hamburger span:first-child{transform:translateY(7px)rotate(45deg)}body.drawer-open .hamburger span:nth-child(2){opacity:0}body.drawer-open .hamburger span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.mobile-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:23;background:#00000080;position:fixed;inset:0}.mobile-drawer{z-index:24;opacity:0;background:linear-gradient(#121820,#0e141b);border-left:1px solid #ffffff14;flex-direction:column;gap:14px;width:min(84vw,320px);height:100dvh;padding:28px 20px;transition:transform .26s,opacity .26s;display:flex;position:fixed;top:0;right:0;transform:translate(100%);box-shadow:-20px 0 80px #00000080}body.drawer-open .mobile-drawer{opacity:1;transform:none}.mobile-drawer a{color:var(--auth-ink);text-decoration:none;display:block}.mobile-drawer-divider{background:#ffffff1f;height:1px;margin:12px 0}@keyframes torch{0%{box-shadow:0 0 12px #c9a45666}50%{box-shadow:0 0 28px #c9a456d9}to{box-shadow:0 0 12px #c9a45666}}@media (width<=768px){.hamburger{display:inline-block}.nav,.site-header .nav,.header-cta{display:none}.header-cta--always{display:inline-flex}.hero{min-height:75vh}.hero-inner{padding-top:64px}}