html, body {
    margin: 0;
    padding: 0;
}

#wrap {
    margin: 0;
    padding: 0;
}

/* Header */
.site-header {
    position: fixed;
    top: 3%;
    left: 0;
    width: 100%;
    z-index: 100;
}

.site-header__inner {
    display: flex;
	flex-direction: column;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 40px;
    box-sizing: border-box;
}

.site-logo img {
    height: 45px;
}

.site-nav__list {
    display: flex;
    gap: 35px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__item {
    position: relative;
}

.site-nav__link {
    display: inline-block;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 0;
    text-decoration: none;
    text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}

.site-nav__sublist {
    position: absolute;
    top: 100%;
    left: 50%;
    min-width: 170px;
    list-style: none;
    margin: 8px 0 0;
    padding: 8px 0;
    background: rgba(20, 24, 32, 0.92);
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 12px 28px rgba(0,0,0,0.28);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.site-nav__item:hover .site-nav__sublist,
.site-nav__item:focus-within .site-nav__sublist {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.site-nav__sublink {
    display: block;
    padding: 10px 18px;
    color: #fff;
    font-size: 14px;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav__sublink:hover,
.site-nav__sublink:focus {
    background: rgba(255,255,255,0.12);
}

.site-nav__empty {
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}

/* Main Visual */
.main-visual {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    background: #000;
}

.main-visual__video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.main-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 2;
}

.main-visual__content {
    position: relative;
    z-index: 3;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 20px 60px;
    box-sizing: border-box;
    text-align: center;
}

.main-visual__title {
    margin: 0 0 30px;
}

.main-visual__logo {
    width: 90%;
    max-width: 650px;
}

.main-visual__buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.main-visual__button {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.main-visual__button--youtube {
    background: #d60000;
}

.main-visual__button--jubo {
    background: #1f63a8;
}

/* Footer */
.site-footer {
    background: #fff;
}

.site-footer__inner {
    text-align: center;
    padding: 30px;
    color: #666;
}

/* Mobile */
@media (max-width: 768px) {
    .site-header__inner {
        height: 70px;
        padding: 0 20px;
    }

    .site-logo img {
        height: 36px;
    }

    .site-nav {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .site-nav__list {
        justify-content: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    .site-nav__item {
        position: static;
    }

    .site-nav__link {
        font-size: 13px;
        white-space: nowrap;
    }

    .site-nav__sublist {
        position: static;
        display: none;
        min-width: 0;
        margin: 4px 0 0;
        padding: 4px 0;
        background: rgba(20, 24, 32, 0.78);
        border: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .site-nav__item:hover .site-nav__sublist,
    .site-nav__item:focus-within .site-nav__sublist {
        display: block;
        transform: none;
    }

    .site-nav__sublink {
        padding: 7px 12px;
        font-size: 12px;
    }

    .site-nav__empty {
        font-size: 13px;
    }

    .main-visual__logo {
        max-width: 92vw;
    }

    .main-visual__button {
        font-size: 15px;
        padding: 13px 25px;
    }
}