:root{--accent:#dc2626;--accent-soft:#dc26261a;--font-main:"Inter", "Noto Sans JP", sans-serif;--section-padding:8rem 2rem;--container-width:1200px}[data-theme=dark]{--bg-primary:#0a0a0a;--bg-secondary:#1a1a1a;--text-primary:#fff;--text-secondary:#a0a0a0;--border:#333;--header-bg:#0a0a0acc}[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f8f9fa;--text-primary:#1a1a1a;--text-secondary:#444;--border:#e0e0e0;--header-bg:#fffc}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-main);line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:opacity .3s}a:hover{opacity:.8}ul{list-style:none}img{max-width:100%;display:block}.container{max-width:var(--container-width);margin:0 auto;padding:0 2rem}header{z-index:1000;background:var(--header-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);width:100%;padding:1.5rem 0;transition:background .3s,padding .3s,box-shadow .3s,border-bottom .3s;position:fixed;top:0;left:0}header.scrolled{background:var(--bg-primary);box-shadow:0 4px 20px #0000001a}[data-theme=dark] header.scrolled{background:var(--bg-secondary)}nav{justify-content:space-between;align-items:center;display:flex}.logo-brand{flex-direction:column;align-items:flex-start;line-height:1;text-decoration:none;display:flex}.logo-main{letter-spacing:-1px;color:var(--text-primary);font-family:Inter,sans-serif;font-size:1.8rem;font-weight:900;line-height:1}.logo-sub{letter-spacing:2.5px;color:var(--text-primary);text-transform:uppercase;margin-top:2px;font-size:.55rem;font-weight:700}.logo-brand:after{content:"";background-color:var(--accent);width:100%;height:2px;margin-top:4px;display:block}.nav-links{gap:2.5rem;display:flex}.nav-links a{text-transform:uppercase;letter-spacing:1px;white-space:nowrap;font-size:.9rem;font-weight:700}@media (width<=1024px){.nav-links{gap:1.2rem}.nav-links a{letter-spacing:.5px;font-size:.8rem}.grid-nav{grid-template-columns:repeat(2,1fr)}.logo-main{font-size:1.5rem;transform:scaleY(1.2)}.home-sponsor-grid{grid-template-columns:repeat(2,1fr)}}.hero{justify-content:center;align-items:center;height:100vh;display:flex;position:relative;overflow:hidden}.hero-bg{filter:brightness(.7);z-index:-1;background:url(/images/hero.png) 50%/cover no-repeat;width:100%;height:100%;position:absolute;top:0;left:0}.hero-content{text-align:center;max-width:800px}.hero-title{text-transform:uppercase;letter-spacing:-2px;margin-bottom:1.5rem;font-size:clamp(3rem,10vw,6rem);font-weight:900;line-height:1}.hero-subtitle{color:var(--text-secondary);letter-spacing:4px;text-transform:uppercase;font-size:1.2rem;font-weight:400}.hero-action{contain:paint;background-color:#010101;justify-content:center;align-items:center;height:100vh;display:flex;position:relative;overflow:hidden}.hero-action-logo{z-index:2;pointer-events:none;justify-content:center;align-items:center;width:100%;height:100%;padding:1rem;display:flex;position:absolute;top:0;left:0}.hero-action-logo img{object-fit:contain;opacity:0;will-change:opacity;backface-visibility:hidden;width:100%;max-width:900px;height:auto;animation:1s ease-out forwards heroImageReveal}@keyframes heroImageReveal{0%{opacity:0}to{opacity:1}}@keyframes bgTextReveal{0%{opacity:0;transform:scale(.95)translateZ(0)}to{opacity:1;transform:scale(1)translateZ(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.hero-action{height:55svh}.hero-action-logo{padding-top:4rem}}.reveal{opacity:0;will-change:transform, opacity;backface-visibility:hidden;transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transform:translateY(30px)}.reveal.active{opacity:1!important;transform:translateY(0)!important}section{padding:var(--section-padding);contain:paint}.section-title{margin-bottom:4rem;font-size:2.5rem;font-weight:900;display:inline-block;position:relative}.section-title:after{content:"";background:var(--accent);width:40px;height:4px;position:absolute;bottom:-10px;left:0}.grid-nav{background:var(--border);border:1px solid var(--border);grid-template-columns:repeat(4,1fr);gap:1px;display:grid}.grid-item{background:var(--bg-secondary);aspect-ratio:1;flex-direction:column;justify-content:center;align-items:center;transition:all .4s cubic-bezier(.23,1,.32,1);display:flex;position:relative;overflow:hidden}.grid-item:hover{background:var(--bg-primary)}.grid-item:before{content:"";background:var(--accent);opacity:0;z-index:0;width:100%;height:100%;transition:opacity .4s;position:absolute;top:0;left:0}.grid-item:hover:before{opacity:.1}.grid-item span{white-space:nowrap;z-index:1;font-size:1.35rem;font-weight:900}.grid-item .en{color:var(--text-secondary);letter-spacing:2px;z-index:1;margin-top:.5rem;font-size:.7rem}#news-instagram[hidden],#news-posts[hidden]{display:none}.news-posts{flex-direction:column;gap:1.5rem;display:flex}.news-post{background:var(--bg-secondary);border:1px solid var(--border);padding:1.75rem}.news-post-date{letter-spacing:1px;color:var(--accent);margin-bottom:.5rem;font-size:.8rem;display:block}.news-post-title{margin-bottom:.75rem;font-size:1.15rem;font-weight:700;line-height:1.5}.news-post-body{color:var(--text-secondary);line-height:1.9}@media (width<=600px){.news-post{padding:1.25rem}}.widget-container{background:var(--bg-secondary);border:1px solid var(--border);justify-content:center;align-items:center;min-height:400px;display:flex;position:relative;overflow:hidden}.widget-placeholder{text-align:center;color:var(--text-secondary);padding:4rem}.widget-placeholder i{color:var(--accent);margin-bottom:1rem;font-size:3rem;display:block}.widget-placeholder .small{opacity:.7;margin-top:1rem;font-size:.8rem}.widget-container iframe{border:none!important;width:100%!important}.home-sponsor-grid{grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:2rem;display:grid}.sponsor-logo{background:var(--bg-secondary);text-align:center;border:1px solid var(--border);opacity:.75;cursor:pointer;border-radius:4px;justify-content:center;align-items:center;height:120px;padding:1.5rem;text-decoration:none;transition:all .3s;display:flex}.sponsor-logo:hover{opacity:1;border-color:var(--accent);background:var(--bg-primary)}.sponsor-logo img{object-fit:contain;filter:grayscale();width:auto;max-width:100%;max-height:80px;transition:filter .3s}.sponsor-logo:hover img{filter:grayscale(0)}.subpage header{background:var(--header-bg)}.profile-grid{grid-template-columns:2fr 1fr;align-items:start;gap:3rem;margin-top:3rem;display:grid}.info-table{border-collapse:collapse;border:1px solid var(--border);width:100%}.info-table th{background:var(--bg-secondary);color:var(--text-primary);text-align:left;border:1px solid var(--border);width:30%;padding:1.2rem;font-size:.9rem;font-weight:700}.info-table td{border:1px solid var(--border);padding:1.2rem;font-size:.9rem}.history-split-container{align-items:flex-start;gap:3rem;margin-top:2rem;display:flex}.history-text{color:var(--text-primary);flex:1}.history-side-gallery{flex-direction:column;align-items:center;gap:1.5rem;width:40%;display:flex}.history-side-gallery.grid-layout{grid-template-columns:repeat(2,1fr);align-items:start;gap:1.5rem;display:grid}.history-side-gallery.grid-layout .history-image-item:last-child:nth-child(odd){grid-column:span 2;justify-self:center}.history-side-gallery.grid-layout .history-image-item{max-width:100%}.history-image-item{border:1px solid var(--border);background:var(--bg-secondary);will-change:transform, box-shadow;flex-direction:column;width:100%;max-width:400px;height:100%;transition:all .4s cubic-bezier(.165,.84,.44,1);display:flex;position:relative}.history-image-item:hover{border-color:var(--accent);z-index:10;transform:translateY(-8px);box-shadow:0 15px 30px #0003}.history-image-item .image-wrapper{background-color:#000;flex-grow:1;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.history-image-item img{object-fit:contain;width:100%;height:auto;max-height:100%;transition:transform .6s cubic-bezier(.165,.84,.44,1);display:block}.history-image-item:hover img{transform:scale(1.08)}.history-item-label{text-align:center;color:var(--text-secondary);background:var(--bg-primary);border-top:1px solid var(--border);letter-spacing:1px;padding:.6rem .4rem;font-size:.7rem;font-weight:700}.history-image-caption{color:var(--text-secondary);text-align:center;border-top:1px solid var(--border);background:var(--bg-primary);grid-column:span 2;margin-top:1rem;padding:.8rem;font-size:.75rem}@media (width<=992px){.history-split-container{flex-direction:column;gap:2rem}.history-side-gallery{flex-direction:row;grid-template-columns:1fr 1fr;gap:1.5rem;width:100%;display:grid}}@media (width<=768px){.history-gallery,.history-side-gallery{grid-template-columns:1fr}}.achievement-list{padding:0;list-style:none}.achievement-list li{margin-bottom:1rem;padding-left:2rem;line-height:1.8;position:relative}.achievement-list li:before{content:"";background:var(--accent);width:10px;height:10px;position:absolute;top:.6rem;left:0;transform:rotate(45deg)}@media (width<=992px){.profile-grid{grid-template-columns:1fr}.info-table th{width:40%}}#sns .section-title{margin-bottom:2rem}.sns-icons{justify-content:center;gap:8rem;margin-top:1rem;display:flex}.sns-icons a{color:var(--accent);font-size:10rem;line-height:1;transition:transform .3s,color .3s}.sns-icons a:hover{color:#fff;transform:translateY(-5px)}@media (width<=768px){.sns-icons{gap:4rem}.sns-icons a{font-size:7rem}}footer{background:var(--bg-secondary);text-align:center;border-top:1px solid var(--border);padding:4rem 2rem}.nav-toggle-input,.hamburger{display:none}@media (width<=768px){:root{--section-padding:4rem 1rem}.hero-action-branding{letter-spacing:2px;padding:.5rem 1rem;font-size:.85rem}.logo-main{font-size:1.1rem}.logo-sub{letter-spacing:1px;font-size:.42rem}.nav-toggle-input:checked~.nav-links{right:0}.nav-toggle-input:checked+.hamburger span:first-child{transform:rotate(-45deg)translate(-5px,6px)}.nav-toggle-input:checked+.hamburger span:nth-child(2){opacity:0}.nav-toggle-input:checked+.hamburger span:nth-child(3){transform:rotate(45deg)translate(-5px,-6px)}.hamburger{cursor:pointer;z-index:1001;margin-left:auto;padding:10px;display:block}.hamburger span{background-color:var(--text-primary);width:25px;height:3px;margin:5px;transition:all .3s;display:block}.hamburger.toggle span:first-child{transform:rotate(-45deg)translate(-5px,6px)}.hamburger.toggle span:nth-child(2){opacity:0}.hamburger.toggle span:nth-child(3){transform:rotate(45deg)translate(-5px,-6px)}.nav-links{background-color:var(--bg-primary);z-index:1000;flex-direction:column;justify-content:center;align-items:center;width:250px;height:100vh;transition:right .4s cubic-bezier(.165,.84,.44,1);display:flex;position:fixed;top:0;right:-100%;box-shadow:-5px 0 20px #0000001a}[data-theme=dark] .nav-links{background-color:var(--bg-secondary)}.nav-links.active{right:0}.nav-links li{margin:1.5rem 0}.hero-title{font-size:3.5rem}.section-title{margin-bottom:2rem;font-size:2rem}.grid-nav{grid-template-columns:repeat(2,1fr)}.grid-item span{text-align:center;word-break:keep-all;font-size:1.1rem}.grid-item .en{font-size:.6rem}.news-grid{grid-template-columns:1fr}.home-sponsor-grid{grid-template-columns:repeat(2,1fr);gap:1rem}}[data-theme=dark]{--card-bg:#ffffff08;--card-hover-bg:#ffffff12;--placeholder-bg:#ffffff0d;--cta-bg:linear-gradient(to right, #dc26261a, transparent);--card-shadow:0 10px 30px #0000004d;--card-hover-shadow:0 20px 40px #00000080}[data-theme=light]{--card-bg:#fff;--card-hover-bg:#fdfdfd;--placeholder-bg:#f8f9fa;--cta-bg:linear-gradient(135deg, #f0f0f0, #f8f8f8);--card-shadow:0 10px 20px #0000000d;--card-hover-shadow:0 15px 30px #0000001a}.sponsor-grid{gap:2.5rem;margin-top:4rem;display:grid;grid-template-columns:repeat(3,1fr)!important}.sponsor-card{background:var(--card-bg);border:1px solid var(--border);text-align:center;border-radius:4px;flex-direction:column;height:100%;padding:2.5rem 2rem;transition:all .4s cubic-bezier(.165,.84,.44,1);display:flex;position:relative;box-shadow:0 10px 30px #0000000d}.sponsor-card:before{content:"";background:var(--accent);transform-origin:0;width:100%;height:2px;transition:transform .4s;position:absolute;top:0;left:0;transform:scaleX(0)}.sponsor-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #0000001a}.sponsor-card:hover:before{transform:scaleX(1)}.sponsor-logo-frame{aspect-ratio:1;background:#fff;border:1px solid #f0f0f0;justify-content:center;align-items:center;width:100%;margin-bottom:2.5rem;padding:.5rem;transition:transform .4s;display:flex}.sponsor-card:hover .sponsor-logo-frame{transform:scale(1.05)}.sponsor-logo-frame img{object-fit:contain;max-width:100%;max-height:100%}.sponsor-logo-placeholder{letter-spacing:3px;color:var(--text-secondary);opacity:.5;font-size:.8rem}.sponsor-name{color:var(--text-primary);margin-bottom:1rem;font-size:1.25rem;font-weight:700;line-height:1.4;text-decoration:none;display:block}.sponsor-card:hover .sponsor-name{color:var(--accent)}.sponsor-desc{color:var(--text-secondary);margin-bottom:0;font-size:.9rem;line-height:1.7}.support-tier-title{text-align:center;margin-top:6rem;margin-bottom:3rem;padding-bottom:1rem;font-size:1.8rem;font-weight:800;position:relative}.support-tier-title:after{content:"";background:var(--accent);width:60px;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.cta-box{background:var(--cta-bg);border:1px solid var(--border);text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-top:8rem;padding:5rem 2rem}.sponsor-links{border-top:1px solid #f0f0f0;flex-wrap:wrap;justify-content:center;gap:1.5rem;margin-top:auto;padding-top:1.5rem;display:flex}.sponsor-link{flex-direction:column;align-items:center;gap:.5rem;min-width:60px;text-decoration:none;transition:all .3s;display:flex}.sponsor-link i{color:#333;font-size:1.4rem;display:block}.sponsor-link .link-label{color:#666;text-transform:uppercase;letter-spacing:.5px;font-size:.65rem;font-weight:800}.sponsor-link:hover{transform:translateY(-3px)}.insta-link:hover{color:#e1306c!important}.uber-link:hover{color:#06c167!important}.demae-link:hover{color:#ff2d4b!important}.line-link:hover{color:#06c755!important}.hp-link:hover{color:var(--accent)!important}.hot-link:hover{color:red!important}.ekiten-link:hover{color:#ff7f00!important}@media (width<=1024px){.sponsor-grid{grid-template-columns:repeat(2,1fr)!important}}@media (width<=768px){.sponsor-grid{grid-auto-rows:auto;gap:1.5rem;margin-top:2rem;grid-template-columns:1fr!important}.sponsor-card{padding:2rem 1.25rem}.support-tier-title{margin-top:4rem;font-size:1.5rem}}.history-section{margin-top:5rem}.history-section:first-child{margin-top:0}.history-era-title{border-left:4px solid var(--accent);letter-spacing:2px;margin-bottom:1.5rem;padding-left:1rem;font-size:1.5rem}.page-section-title{border-left:4px solid var(--accent);letter-spacing:2px;margin-bottom:2rem;padding-left:1rem;font-size:1.5rem}.profile-image{aspect-ratio:4/4.5;border:1px solid var(--border);background-color:#fff;overflow:hidden}.profile-image img{object-fit:cover;object-position:center var(--photo-pos,50%);width:100%;height:100%}.history-text p+p{margin-top:1rem}.history-text{line-height:1.8}.btn{background:var(--accent);color:#fff;letter-spacing:2px;text-transform:uppercase;padding:1rem 2.5rem;font-weight:900;text-decoration:none;transition:opacity .3s;display:inline-block}.btn:hover{opacity:.85}.hero-fallback{z-index:1;color:#fff;letter-spacing:.15em;opacity:.9;font-size:clamp(2rem,8vw,5rem);font-weight:900;position:relative}.hero-action-logo.has-photo~.hero-fallback{display:none}