:root{
  --navy:#070b1e;--deep:#0a0e27;--purple:#2e1f4f;--violet:#7a5cff;--blue:#6ec1ff;--gold:#ffd98e;--pink:#ff9ed0;
  --glass:rgba(255,255,255,0.07);--glass-b:rgba(255,255,255,0.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--navy);color:#eef2ff;font-family:'Zen Maru Gothic','Noto Serif JP',sans-serif;overflow-x:hidden}
#starCanvas{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-fixed{position:fixed;inset:0;z-index:-2;overflow:hidden}
.bg-fixed img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0.45}
.bg-fixed::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%, rgba(122,92,255,0.25), transparent 60%),radial-gradient(ellipse at 80% 80%, rgba(255,217,142,0.15), transparent 50%),linear-gradient(to bottom, rgba(7,11,30,0.2), rgba(7,11,30,0.95))}
header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px 28px;backdrop-filter:blur(18px);background:linear-gradient(to bottom, rgba(7,11,30,0.85), rgba(7,11,30,0.15));border-bottom:1px solid rgba(255,255,255,0.06)}
.logo{font-family:'Cinzel',serif;letter-spacing:0.18em;font-weight:600;font-size:18px}
.logo span{color:var(--gold)}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:#fff;text-decoration:none;font-size:12px;letter-spacing:0.15em;opacity:0.8;transition:.3s}
.nav a:hover{opacity:1;color:var(--blue)}
.lang-switch{display:flex;gap:6px;margin-left:12px}
.lang-btn{padding:5px 12px;border-radius:20px;border:1px solid rgba(255,255,255,0.15);background:var(--glass);color:#fff;cursor:pointer;font-size:11px;letter-spacing:0.1em;transition:.3s;text-decoration:none;display:inline-block}
.lang-btn.active{background:#fff;color:#000}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:130px 6% 80px;z-index:1}
.hero-content{max-width:780px}
.eyebrow{font-family:'Cinzel';letter-spacing:0.35em;font-size:11px;color:var(--blue);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:'';width:40px;height:1px;background:var(--blue)}
.hero h1{font-family:'Noto Serif JP';font-size:clamp(36px,6vw,68px);line-height:1.05;font-weight:700}
.hero h1 i{font-style:normal;background:linear-gradient(90deg,var(--blue),var(--gold),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{margin-top:22px;font-size:17px;line-height:1.9;opacity:0.85;max-width:600px}
.hero-cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:13px 26px;border-radius:40px;font-size:13px;letter-spacing:0.12em;cursor:pointer;border:none;transition:.4s;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:#fff;color:#000;font-weight:700}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,255,255,0.2)}
.btn-ghost{background:var(--glass);color:#fff;border:1px solid var(--glass-b);backdrop-filter:blur(10px)}
.tanzaku-field{position:absolute;right:4%;top:15%;width:320px;height:70%;pointer-events:none;z-index:2}
.tanzaku{position:absolute;width:26px;height:86px;border-radius:4px;box-shadow:0 0 18px rgba(255,255,255,0.5);opacity:0.8;animation:sway 6s ease-in-out infinite}
@keyframes sway{0%,100%{transform:rotate(-6deg) translateY(0)}50%{transform:rotate(6deg) translateY(-12px)}}
section{position:relative;z-index:1;padding:100px 6%}
.section-label{font-family:'Cinzel';font-size:11px;letter-spacing:0.4em;color:var(--gold);margin-bottom:14px}
.section-title{font-family:'Noto Serif JP';font-size:clamp(26px,4vw,40px);line-height:1.3;margin-bottom:16px}
.section-desc{opacity:0.7;max-width:640px;line-height:1.9}
.grid{display:grid;gap:20px;margin-top:44px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));border:1px solid rgba(255,255,255,0.08);border-radius:20px;padding:26px;backdrop-filter:blur(16px);transition:.5s;overflow:hidden}
.card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,0.18)}
.feature{position:relative;border-radius:26px;overflow:hidden;min-height:400px;display:flex;align-items:flex-end;padding:28px;border:1px solid rgba(255,255,255,0.1);text-decoration:none;color:inherit}
.feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform 1.2s}
.feature:hover img{transform:scale(1.06)}
.feature::after{content:'';position:absolute;inset:0;background:linear-gradient(to top, rgba(7,11,30,0.95) 10%, rgba(7,11,30,0.2) 60%);z-index:1}
.feature-content{position:relative;z-index:2}
.badge{display:inline-block;padding:5px 12px;border-radius:20px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.15);font-size:10px;letter-spacing:0.15em;margin-bottom:10px}
.reveal{opacity:0;transform:translateY(28px);transition:1s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.timeline{position:relative;margin-top:40px;padding-left:28px;border-left:1px solid rgba(255,255,255,0.12)}
.t-item{position:relative;margin-bottom:36px}
.t-item::before{content:'';position:absolute;left:-34px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(110,193,255,0.15)}
.t-year{font-family:'Cinzel';font-size:11px;letter-spacing:0.2em;color:var(--blue);margin-bottom:4px}
.video-wrap{position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,0.1);background:#000;aspect-ratio:16/9;max-width:980px;margin:40px auto 0}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
footer{position:relative;z-index:1;padding:50px 6%;border-top:1px solid rgba(255,255,255,0.06);text-align:center;opacity:0.6;font-size:11px;letter-spacing:0.12em;line-height:1.8}
@media(max-width:900px){.tanzaku-field{display:none}.nav a.hide-m{display:none}}