/* ローディング画面 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.8s ease-out;
    font-family: 'Noto Sans JP', sans-serif;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 2.5rem;
    letter-spacing: 0;
}

.loading-logo .logo-text {
    color: white;
    display: inline-block;
}

.loading-logo .logo-gradient {
    background: linear-gradient(135deg, #b45309 0%, #dc2626 50%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.loading-text {
    color: rgba(0,0,0, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}