@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+JP:wght@100;200;300;400;500;600;700&family=Kosugi&family=Kosugi+Maru&family=Mona+Sans:ital,wdth,wght@0,75..125,200..900;1,75..125,200..900&family=Montserrat:ital,wght@0,100..900;1,100..900&family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&family=Yusei+Magic&family=Zen+Maru+Gothic:wght@300;400;500;700;900&display=swap');

/* 平滑滚动 */
html { scroll-behavior: smooth; }
        /* 简单的淡入动画 */
    .fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
    }
        @keyframes fadeInUp {
            to { opacity: 1; transform: translateY(0); }
        }
    .delay-100 { animation-delay: 0.1s; }
    .delay-200 { animation-delay: 0.2s; }
    .delay-300 { animation-delay: 0.3s; }

.montserrat {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
}

.ibm-bold {
    font-family: "IBM Plex Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-style: normal;
}

.kosugi-regular {
    font-family: "Kosugi", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.kosugi-maru-regular {
    font-family: "Kosugi Maru", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.mona-sans-regular {
    font-family: "Mona Sans", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.plus-jakarta-sans-regular {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.yusei-magic-regular {
    font-family: "Yusei Magic", sans-serif;
    font-weight: 400;
    font-style: normal;
}