:root{--crimson:#B22234;--crimson-dark:#8B1A29;--gold:#C6930A;--gold-light:#E8B923;--navy:#1B2A4A;--navy-deep:#0F1B33;--grey:#4A4A4A;--grey-matte:#3A3A3A;--grey-light:#6B6B6B;--bone:#F5F0E8;--ink:#1A1A1A}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Rajdhani,sans-serif;background:var(--ink);color:var(--bone);overflow-x:hidden}nav{position:fixed;top:0;left:0;width:100%;z-index:100;padding:1.2rem 3rem;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(180deg,rgba(15,27,51,.95),rgba(15,27,51,0));-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .4s}nav.scrolled{background:rgba(15,27,51,.97);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav-brand{font-family:"Noto Serif JP",serif;font-weight:900;font-size:1.3rem;color:var(--gold);letter-spacing:2px;text-transform:uppercase}.nav-brand span{color:var(--crimson)}.nav-links{display:flex;gap:2.5rem;list-style:none}.nav-links a{color:var(--bone);text-decoration:none;font-size:.95rem;font-weight:500;letter-spacing:2px;text-transform:uppercase;position:relative;transition:color .3s}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gold);transition:width .3s}.nav-links a:hover{color:var(--gold)}.nav-links a:hover:after{width:100%}.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:101}.mobile-toggle span{width:28px;height:2px;background:var(--gold);transition:.3s}.hero{position:relative;height:100vh;min-height:700px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-bg{background:radial-gradient(ellipse at 20% 50%,rgba(178,34,52,.15) 0,transparent 50%),radial-gradient(ellipse at 80% 50%,rgba(198,147,10,.1) 0,transparent 50%),linear-gradient(180deg,var(--navy-deep) 0,var(--ink) 100%)}.hero-bg,.hero-pattern{position:absolute;inset:0}.hero-pattern{opacity:.04;background-image:repeating-linear-gradient(0deg,transparent,transparent 40px,var(--gold) 40px,var(--gold) 41px),repeating-linear-gradient(90deg,transparent,transparent 40px,var(--gold) 40px,var(--gold) 41px)}.hero-kanji{position:absolute;font-family:"Noto Serif JP",serif;font-size:20vw;font-weight:900;color:rgba(198,147,10,.03);-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:none}.hero-kanji.left{left:-5%;top:10%}.hero-kanji.right{right:-5%;bottom:5%}.hero-content{position:relative;z-index:2;text-align:center;max-width:900px;padding:0 2rem}.hero-logo{width:320px;height:auto;margin:0 auto 1.5rem;display:block;filter:drop-shadow(0 0 30px rgba(198,147,10,.3));animation:emblemFade 1.5s ease-out forwards;opacity:0}.hero-subtitle-top{font-family:Rajdhani,sans-serif;font-size:.9rem;font-weight:600;letter-spacing:8px;text-transform:uppercase;color:var(--crimson);margin-bottom:1rem;animation:slideUp 1s ease-out .3s forwards;opacity:0}.hero-title{font-family:"Noto Serif JP",serif;font-size:clamp(2.5rem,6vw,5rem);font-weight:900;line-height:1.1;margin-bottom:.5rem;animation:slideUp 1s ease-out .5s forwards;opacity:0}.hero-title .gold{color:var(--gold)}.hero-title .crimson{color:var(--crimson)}.hero-numeral{font-family:"Noto Serif JP",serif;font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700;color:var(--gold-light);letter-spacing:6px;margin-bottom:1.5rem;animation:slideUp 1s ease-out .7s forwards;opacity:0}.hero-divider{width:80px;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:0 auto 1.5rem;animation:slideUp 1s ease-out .9s forwards;opacity:0}.hero-motto{font-family:Zen Antique Soft,serif;font-size:1.3rem;color:rgba(245,240,232,.7);letter-spacing:3px;animation:slideUp 1s ease-out 1.1s forwards;opacity:0}.side-line{position:absolute;width:1px;height:200px;background:linear-gradient(180deg,transparent,var(--gold),transparent);top:50%;transform:translateY(-50%);opacity:.2}.side-line.left{left:3rem}.side-line.right{right:3rem}.side-label{position:absolute;font-size:.65rem;letter-spacing:6px;text-transform:uppercase;color:var(--gold);opacity:.3;writing-mode:vertical-rl;top:50%;transform:translateY(-50%)}.side-label.left{left:3.8rem}.side-label.right{right:3.8rem}.hero footer{position:absolute;bottom:0;left:0;width:100%;padding:1.5rem 2rem;text-align:center;z-index:10;border-top:1px solid rgba(198,147,10,.1)}.footer-brand{font-family:"Noto Serif JP",serif;font-size:1rem;font-weight:700;color:var(--gold);letter-spacing:3px;margin-bottom:.8rem}.hero footer p{font-size:.8rem;color:var(--grey-light);letter-spacing:2px}@keyframes emblemFade{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-scroll-hint{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:10;display:flex;flex-direction:column;align-items:center;text-decoration:none;animation:slideUp 1s ease-out 1.5s forwards;opacity:0}.video-section{background:var(--ink);padding:3rem 0;display:flex;align-items:center;justify-content:center}.video-container{width:75%;max-width:1000px;aspect-ratio:16/9}.video-container iframe{width:100%;height:100%;display:block}.home-footer{padding:2rem;text-align:center;border-top:1px solid rgba(198,147,10,.08);background:var(--ink)}.home-footer p{font-size:.8rem;color:var(--grey-light);letter-spacing:2px;margin:0}@media (max-width:768px){nav{padding:1rem 1.5rem}.nav-links{display:none;position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(15,27,51,.98);flex-direction:column;align-items:center;justify-content:center;gap:2rem}.nav-links.open{display:flex}.nav-links a{font-size:1.2rem}.mobile-toggle{display:flex}.hero-logo{width:220px}.side-label,.side-line{display:none}}