body {
            font-family: 'Noto Sans JP', sans-serif;
            background: radial-gradient(circle at center, #1a362d 0%, #0c1b15 100%);
            min-height: 100vh;
            touch-action: manipulation;
            -webkit-tap-highlight-color: transparent;
        }
        .serif-font {
            font-family: 'Cinzel', serif;
        }
        /* Card Flip Animation Styles */
        .card-container {
            perspective: 1000px;
        }
        .card-inner {
            transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            transform-style: preserve-3d;
        }
        .card-inner.flipped {
            transform: rotateY(180deg);
        }
        .card-front, .card-back {
            backface-visibility: hidden;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        .card-back {
            transform: rotateY(180deg);
        }
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            height: 5px;
            width: 5px;
        }
        ::-webkit-scrollbar-track {
            background: rgba(0, 0, 0, 0.2);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(234, 179, 8, 0.3);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(234, 179, 8, 0.6);
        }

        .site-footer {
            flex: 0 0 auto;
            width: 100%;
            color: #82908a;
            background: #18211f;
            font-size: 11px;
            line-height: 1.5;
        }

        .site-footer .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: min(100% - 28px, 600px);
            min-height: 64px;
            margin: 0 auto;
            padding: 14px 0;
        }

        .site-footer .footer-copy,
        .site-footer .footer-links {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .site-footer .footer-links {
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .site-footer .footer-links a {
            color: #c1cdc6;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .site-footer .footer-links a:hover,
        .site-footer .footer-links a:focus-visible {
            color: #fff;
        }

        @media (max-width: 760px) {
            .site-footer .footer-inner {
                align-items: flex-start;
                flex-direction: column;
                gap: 10px;
            }

            .site-footer .footer-copy,
            .site-footer .footer-links {
                flex-wrap: wrap;
                gap: 6px 14px;
            }
        }