: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)}@media(min-width:768px)and (max-width:1024px){h1.vertical-text{font-size:clamp(2.5rem,6vw,4rem)!important}}