.opening-loader {
    position: fixed;
    inset: 0;
    background: #ffffff;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s ease-in-out, visibility 1s;
}

.opening-loader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.opening-typing-wrap {
    display: flex;
    gap: 4px;
}

.opening-char {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(15px);
}

.opening-loader.active .opening-char {
    animation: openingLetterAppear 0.5s var(--delay) forwards cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes openingLetterAppear {
    0% {
        opacity: 0;
        transform: translateY(15px);
        color: transparent;
        -webkit-text-stroke: 1px rgba(0, 0, 0, 0.2);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        color: #000000;
        -webkit-text-stroke: 0px transparent;
    }
}

/* メインコンテンツの初期状態 */
#ADVANCED_SHOP {
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1.02);
}

#ADVANCED_SHOP.reveal {
    opacity: 1;
    transform: scale(1);
}

/* Cookieによりアニメーションをスキップする場合 */
body.skip-opening .opening-loader {
    display: none;
}

body.skip-opening #ADVANCED_SHOP {
    opacity: 1;
    transform: scale(1);
}