:root{--color-kachi: #1a1c29;--color-sumi: #0d0d0d;--color-kin: #c5a059;--color-shu: #d3381c;--color-white: #f4f4f4;--color-gray: #888888;--font-mincho: "Shippori Mincho", serif;--font-gothic: "Noto Sans JP", sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 8rem;--transition-slow: .6s cubic-bezier(.22, 1, .36, 1);--transition-fast: .3s ease-out}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-kachi);color:var(--color-white);font-family:var(--font-gothic);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;line-height:1.8}h1,h2,h3,h4,h5,h6{font-family:var(--font-mincho);font-weight:500;line-height:1.4}a{color:inherit;text-decoration:none;transition:opacity var(--transition-fast)}a:hover{opacity:.7}.vertical-text{writing-mode:vertical-rl;text-orientation:upright;letter-spacing:.1em}.serif{font-family:var(--font-mincho)}.sans{font-family:var(--font-gothic)}.text-gold{color:var(--color-kin)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-kachi)}::-webkit-scrollbar-thumb{background:var(--color-gray);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-kin)}.brand-logo{display:block;width:auto;object-fit:contain;filter:brightness(0) invert(1)}.hero{height:100vh;height:100svh;width:100%;position:relative;overflow:hidden;display:flex;justify-content:center;align-items:center;padding:24px 24px 88px;background-color:#000}.hero-identity{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;gap:clamp(16px,3vh,28px)}.hero-title{margin:0;line-height:1}.hero-logo{height:min(60vh,520px);height:min(60svh,520px);max-height:calc(100vh - 200px);max-height:calc(100svh - 200px);filter:brightness(0) invert(1) drop-shadow(0 3px 10px rgba(0,0,0,.7))}.hero-affiliation{margin:0;color:#e9dfc5;font-size:clamp(.8rem,1.3vw,1rem);line-height:1.8;letter-spacing:.1em;text-align:center;text-shadow:0 2px 10px rgba(0,0,0,.8)}.hero-affiliation span{display:block}.hero-scroll{position:absolute;z-index:10;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);opacity:.7;font-size:.8rem;letter-spacing:.1em}.site-footer{padding:var(--spacing-lg) 0;border-top:1px solid rgba(255,255,255,.1);background-color:var(--color-kachi)}.footer-content{display:flex;flex-direction:column;align-items:flex-start;gap:24px}.footer-identity{display:flex;align-items:center;gap:clamp(22px,4vw,40px)}.footer-title{flex-shrink:0;margin:0;line-height:1}.footer-logo{height:185px}.footer-description{font-size:clamp(.75rem,1.5vw,.9rem);line-height:2;opacity:.8;overflow-wrap:anywhere}.footer-navigation{display:flex;flex-wrap:wrap;gap:24px;width:100%;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);font-size:.9rem}.footer-navigation a{opacity:.8}.footer-navigation a:hover,.footer-navigation a:focus-visible{opacity:1}.footer-contact{display:inline-block;padding:.75rem 2rem;border:1px solid var(--color-kin);color:var(--color-kin);text-align:center}.footer-copyright{font-size:.8rem;opacity:.5}@media(max-width:520px){.footer-content{padding-left:22px;padding-right:22px}.footer-contact{width:100%}}.instagram-section{margin-top:3rem}.instagram-frame{width:100%;max-width:540px;margin:0 auto}.instagram-frame iframe{max-width:100%!important;min-width:0!important}.instagram-frame blockquote{padding:24px;background:#fff;color:#333;border-radius:4px}.media-help{margin-top:1rem;font-size:.8rem;color:#bbb;text-align:center}.media-help a{color:#e2c893;text-decoration:underline;text-underline-offset:4px}