/* PC Specific Styles (Sacred Area) */
@media screen and (min-width: 769px) {
    #company-info {
        font-family: 'Noto Serif JP', serif;
        background: transparent;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(255, 255, 255, 0.15);
        box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
        padding: 0;
    }

    .dark .company-info {
        border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .tool-button {
        width: 48px;
        height: 48px;
    }

    /* Logo Layout */
    .logo-container {
        top: 50vh;
        left: 50vw;
        transform: translate(-50%, -50%) scale(1.0); /* PC always 1.0 at center */
    }

    .logo-container.at-corner {
        top: 48px;
        left: 32px;
        transform: translate(0, 0);
    }

    /* Navigation Menu (Initial PC State) - Fixed to prevent layout shift from other fixed elements */
    #main-nav {
        position: fixed;
        right: 3rem;
        top: 50%;
        transform: translateY(-50%) translateX(20px);
        opacity: 0;
        z-index: 500;
        display: flex;
        flex-direction: column;
        gap: 2rem;
        transition: transform 1.2s cubic-bezier(0.165, 0.84, 0.44, 1), 
                    opacity 1s ease,
                    top 1.2s cubic-bezier(0.165, 0.84, 0.44, 1),
                    bottom 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
    }

    #main-nav.is-visible {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }

    /* Navigation Menu State: Compact (Bottom Right) */
    #main-nav.is-compact {
        position: fixed;
        right: 3rem;
        bottom: 3rem;
        top: auto;
        transform: none;
        gap: 0.75rem;
        z-index: 500;
        padding: 1rem;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        box-shadow: none;
    }

    #main-nav.is-compact .menu-item {
        font-size: 1.25rem;
        padding: 0.1rem 0;
        color: #ffffff;
        opacity: 0.7;
    }

    #main-nav.is-compact .menu-item:hover {
        opacity: 1;
    }

    #main-nav.is-compact .menu-item.active {
        color: var(--tw-text-primary);
        opacity: 1;
        font-weight: 900;
    }

    #main-nav.is-compact .menu-item::after {
        display: none;
    }

    .menu-item {
        text-decoration: none;
        color: inherit;
        display: block;
        width: fit-content;
        text-align: right;
        font-family: 'Noto Serif JP', serif;
        font-size: 3rem;
        font-weight: 700;
        line-height: 1.1;
        letter-spacing: 0.1em;
        position: relative;
        padding: 0.2rem 0;
        transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
        opacity: 0.8;
    }

    .menu-item::after {
        content: '';
        position: absolute;
        bottom: -2px;
        right: 0;
        width: 0;
        height: 1px;
        background: currentColor;
        transition: width 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
    }

    .menu-item:hover {
        opacity: 1;
        letter-spacing: 0.2em;
        color: var(--tw-text-primary);
    }

    .menu-item:hover::after {
        width: 120%;
    }

    .company-info h2 {
        letter-spacing: 0.3em;
    }

    /* Instagram Feed (PC Restoration) */
    #instagram-feed {
        position: fixed;
        left: 48px;
        top: 140px; /* Positioned below logo corner state */
        margin: 0;
        width: 324px;
        padding: 2px;
        background: rgba(255, 255, 255, 0.3);
        backdrop-filter: blur(12px) saturate(120%);
        -webkit-backdrop-filter: blur(12px) saturate(120%);
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
        border-radius: 10px;
        z-index: 400;
        opacity: 0;
        visibility: hidden;
        transform: translateX(-30px);
        transition: all 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
    }

    #instagram-feed.is-visible {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    #instagram-feed .news-trigger-badge {
        display: none;
    }
    #instagram-feed #feed-content {
        display: block;
    }
    #instagram-feed #close-feed {
        display: none;
    }
}