:root{--sns-orange:#f49016;--sns-orange-deep:#9c510a;--sns-ink:#182637;--sns-muted:#5f6f7e;--sns-border:#e4e9ef}
.sns-skip-link{position:absolute;top:-100px;left:10px;z-index:101;background:#172636;color:#fff;padding:10px 18px;border-radius:8px;font:700 14px system-ui,sans-serif}
.sns-skip-link:focus{top:10px}
.sns-header,.sns-header *,.sns-footer,.sns-footer *,.sns-seo-info,.sns-seo-info *{box-sizing:border-box}
.sns-header{position:relative;z-index:30;background:linear-gradient(180deg,#fff 0%,#fffaf4 100%);border-bottom:1px solid #ece6db;box-shadow:0 4px 16px rgba(20,32,43,.035);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.sns-header-inner{padding:5px clamp(12px,2vw,26px);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1500px}
.sns-brand{display:flex;flex:0 0 auto;align-items:center;justify-content:center;line-height:0;text-decoration:none}
.sns-brand img{display:block;width:91px;height:auto;max-height:63px;object-fit:contain;transition:transform .18s ease}
.sns-brand:hover img{transform:scale(1.025)}
.sns-nav-links{display:flex;align-items:stretch;justify-content:flex-end;gap:6px;font-family:inherit}
.sns-nav-current{margin:0;padding:0;font:inherit;display:flex;min-width:0}
.sns-nav-tab{display:inline-flex;position:relative;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:12px;font-size:.88rem;color:#495668;text-decoration:none;font-weight:700;line-height:1.25;text-align:center;white-space:nowrap;transition:background .18s ease,color .18s ease,box-shadow .18s ease}
.sns-nav-tab:hover{background:#fef0df;color:#96500d}
.sns-nav-tab[aria-current="page"]{background:#fff1d9;color:#8c4704;box-shadow:inset 0 0 0 1px #ffe0b8;font-weight:850;font-size:.96rem}
.sns-nav-tab[aria-current="page"]::after{content:"";position:absolute;bottom:3px;left:22%;right:22%;height:3px;border-radius:20px;background:linear-gradient(90deg,#ffb12a,#ed7900)}
.sns-label-small{display:none}
.sns-header a:focus-visible,.sns-footer a:focus-visible,.sns-venue-link:focus-visible{outline:3px solid var(--sns-orange);outline-offset:2px}
.sns-venue-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:11px}
.sns-venue-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 15px;background:#fff;border:1px solid var(--sns-border);border-radius:13px;text-decoration:none;color:#243344;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease;min-width:0}
.sns-venue-link:hover{border-color:#f3b665;transform:translateY(-2px);box-shadow:0 9px 22px rgba(34,43,61,.07)}
.sns-venue-copy{display:grid;gap:4px;min-width:0}.sns-venue-copy strong{font-size:.92rem;line-height:1.35}.sns-venue-copy small{font-size:.74rem;color:#708091;line-height:1.35}
.sns-venue-arrow{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;color:#a05209;background:#fff2df;font-weight:900}
.sns-seo-info{max-width:1120px;margin:23px auto;padding:20px clamp(16px,3vw,30px);background:#fff;border:1px solid var(--sns-border);border-radius:14px;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.sns-seo-info h2{font-size:1.22rem;margin:0 0 10px;color:#192838}.sns-seo-info h3{font-size:1.02rem;margin:17px 0 7px;color:#334155}.sns-seo-info p{font-size:.94rem;color:#526273;line-height:1.65;margin:0 0 12px}.sns-seo-info a:not(.sns-venue-link){color:#1264a3}
.sns-footer{margin-top:28px;border-top:1px solid #e6ebef;background:#fff;padding:18px clamp(16px,3vw,38px) 15px;color:#617183;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.sns-footer-inner{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sns-footer-brand{display:flex;align-items:center;gap:9px}.sns-footer-brand img{display:block;flex:0 0 auto;width:35px;height:35px;object-fit:contain}
.sns-footer-brand strong{display:block;color:#1c2937;font-size:.87rem}.sns-footer-brand small{display:block;font-size:.75rem;color:#718093;margin-top:2px}
.sns-footer-links{display:flex;gap:18px;flex-wrap:wrap}.sns-footer-links a{font-size:.81rem;font-weight:650;color:#45576a;text-decoration:none}.sns-footer-links a:hover{text-decoration:underline;color:#a05209}
.sns-footer-note{max-width:1200px;margin:16px auto 0;font-size:.73rem;line-height:1.55;color:#81909e}
@media(max-width:710px){.sns-header-inner{padding:5px 9px;gap:7px}.sns-brand img{width:67px;max-height:49px}.sns-nav-links{flex:1;min-width:0;gap:3px;justify-content:stretch}.sns-nav-links>.sns-nav-tab,.sns-nav-current{flex:1;min-width:0}.sns-nav-current>.sns-nav-tab{width:100%}.sns-nav-tab{font-size:.72rem;padding:8px 3px;min-height:44px;white-space:normal;letter-spacing:-.01em}.sns-nav-tab[aria-current="page"]{font-size:.76rem}.sns-label-full{display:none}.sns-label-small{display:inline}.sns-seo-info{margin:14px 10px}}
@media(max-width:345px){.sns-brand img{width:57px}.sns-nav-tab{font-size:.69rem}.sns-nav-tab[aria-current="page"]{font-size:.71rem}}
@media(prefers-reduced-motion:reduce){.sns-brand img,.sns-nav-tab,.sns-venue-link{transition:none}}