:root{--brand:#bf1131;--brand-strong:#d91448;--gold:#cd9946;--nav-bg:#f0f1f2;--nav-text:#1b3659;--teal:#1f98a6;--text:#232722;--muted:#6b8ba4;--paper:#fff;--surface:#f7f8fa;--radius:18px;--container:1120px}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--paper);color:var(--text);margin:0;font-family:Inter,system-ui,Arial,Helvetica,sans-serif;line-height:1.6}.container{max-width:var(--container);margin-inline:auto;padding:0 24px}.jp{opacity:.9;font-family:Noto Sans JP,system-ui,Arial,sans-serif}.site-header{z-index:10;background:var(--nav-bg);border-bottom:1px solid #dde0e4;position:sticky;top:0}.header-inner{color:var(--nav-text);justify-content:space-between;align-items:center;padding:14px 0;display:flex}.brand{align-items:center;gap:12px;font-weight:800;display:flex}.brand span{color:var(--nav-text);font-size:1rem}.brand small{color:var(--muted);font-size:.8rem}.nav{gap:22px;display:flex}.nav a{color:var(--nav-text);font-weight:600;text-decoration:none;position:relative}.nav a:after{content:"";background:var(--brand);width:0;height:2px;transition:width .25s;position:absolute;bottom:-6px;left:0}.nav a:hover:after{width:100%}.btn{cursor:pointer;background:var(--brand);color:#fff;border:none;border-radius:999px;justify-content:center;align-items:center;height:42px;padding:0 20px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.btn:hover{background:var(--brand-strong);transform:translateY(-1px)}.btn--ghost{border:2px solid var(--surface);color:var(--surface);background:0 0}.btn--ghost:hover{background:var(--nav-text);color:var(--nav-bg)}.btn--exp{border:2px solid var(--gold);color:var(--gold);background:0 0}.btn--exp:hover{background:var(--gold);color:var(--nav-bg)}.activities h2{margin:8px 0 32px}.activity-card{background:#fff;border:1px solid #e4e7eb;border-radius:20px;flex-direction:column;transition:transform .25s,box-shadow .25s;display:flex;overflow:hidden}.activity-card:hover{transform:translateY(-6px);box-shadow:0 16px 32px #0000001a}.activity-media{height:160px;display:block;overflow:hidden}.activity-media img{object-fit:cover;width:100%;height:100%;transition:transform .4s}.activity-card:hover .activity-media img{transform:scale(1.05)}.activity-media.sanshin{background:linear-gradient(135deg,#1b3659,#232722)}.activity-media.kendo{background:linear-gradient(135deg,#bf1131,#232722)}.activity-content{flex-direction:column;gap:10px;padding:20px;display:flex}.activity-jp{color:var(--gold);font-size:1.1rem;font-weight:800}.activity-content h3{margin:0}.activity-content p{margin:0;font-size:.95rem}.activity-link{color:var(--nav-text);margin-top:auto;font-weight:700;text-decoration:none}.activity-link:hover{text-decoration:underline}.member-link{color:inherit;cursor:pointer;text-decoration:none}.member-link:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a}.member-link:hover .avatar{background:var(--brand)}@media (width<=980px){.activities-grid{grid-template-columns:1fr}}.hero{transition:background .6s}.hero--sanshin{background:linear-gradient(#1b3659 0%,#232722 100%)}.hero--kendo{background:linear-gradient(#bf1131 0%,#232722 100%)}.hero-dots{gap:8px;margin-top:24px;display:flex}.hero-dots button{cursor:pointer;background:#fff6;border:none;border-radius:50%;width:10px;height:10px;transition:transform .2s,background .2s}.hero-dots button.active{background:var(--gold);transform:scale(1.2)}.hero-media{background:#0002;border:1px solid #fff2;border-radius:28px;place-items:center;height:360px;display:grid;overflow:hidden}.hero-image{object-fit:cover;width:100%;height:100%}@media (width<=980px){.hero h1{font-size:1.6rem}.hero span{font-size:1.3rem}.hero-dots{justify-content:center}}.mobile-only{display:none}.hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:space-between;width:32px;height:24px;display:flex}.hamburger span{background:var(--nav-text);border-radius:2px;height:3px}.mobile-menu{background:var(--nav-bg);z-index:20;padding:80px 24px 24px;transition:transform .3s;position:fixed;inset:0;overflow-y:auto;transform:translate(100%)}.mobile-menu.open{transform:translate(0)}.mobile-menu nav{flex-direction:column;gap:22px;display:flex}.mobile-menu a{color:var(--nav-text);font-size:1.25rem;font-weight:700;text-decoration:none}.mobile-menu a:hover{color:var(--brand)}.hero{color:#fff;background:linear-gradient(#1b3659 0%,#232722 100%);padding:80px 0}.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;display:grid}.eyebrow{color:var(--gold);letter-spacing:.12em;text-transform:uppercase;font-size:.8rem;font-weight:800}.hero h1{margin:12px 0;font-size:clamp(32px,4vw,52px);line-height:1.05}.hero h1 span{color:var(--gold)}.hero .sub{color:#e6ebf2;max-width:52ch}.hero-cta{gap:12px;margin-top:22px;display:flex}.hero-media{background:radial-gradient(circle at 30% 30%,#1f98a655,#0000 60%);border:1px solid #fff2;border-radius:28px;place-items:center;height:360px;display:grid}.hero-media .play{cursor:pointer;background:#fff;border:none;border-radius:50%;width:72px;height:72px;font-size:24px}.about{padding:80px 0}.about-inner{grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;display:grid}.photo{background:#f0f1f2;border:1px solid #e3e6ea;border-radius:22px;height:220px}.activities{background:#f7f8fa;padding:60px 0}.activities-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.activity{background:#fff;border:1px solid #e4e7eb;border-radius:18px;transition:all .25s;overflow:hidden}.activity:hover{transform:translateY(-4px);box-shadow:0 12px 28px #0000001a}.team{padding:60px 0}.team-grid{grid-template-columns:repeat(3,1fr);gap:16px;padding:0;list-style:none;display:grid}.member{background:var(--surface);border:1px solid #e4e7eb;border-radius:18px;align-items:center;gap:14px;padding:14px;transition:all .2s;display:flex}.member:hover{transform:translateY(-2px)}.avatar{background:var(--gold);color:#fff;border-radius:50%;place-items:center;width:56px;height:56px;font-weight:800;display:grid}.site-footer{color:#e6ebf2;background:#1b3659;padding:40px 0 12px}.footer-grid{grid-template-columns:2fr 1fr 1.2fr;gap:20px;display:grid}.footer-grid h4{color:#fff}.legal{text-align:center;color:var(--gold);margin-top:22px;font-size:.9rem}@media (width<=980px){.nav{display:none}.mobile-only{display:flex}.header-inner{padding:10px 0}.hero{padding:48px 0 56px}.hero-grid{grid-template-columns:1fr;gap:28px}.hero-media{height:260px}.hero h1{font-size:1.75rem;line-height:1.2}.hero-cta{flex-direction:column}.hero-cta .btn{width:100%}.activities-grid{grid-template-columns:1fr}.team-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=560px){.team-grid{grid-template-columns:1fr}}