@import url("color.css");
body {
    background-image: url(./assets/img/bg/background.webp);
    background-size: contain;
    background-repeat: repeat;
    color: var(--text-black);
    animation: parallax linear both;
    animation-timeline: view();
    overflow-y: auto;
}

.noscroll {
    overflow-y: hidden;
}

img {
    user-select: none;
}

@keyframes parallax {
    from {
        background-position: center 0;
    }
    to {
        background-position: center -200vh;
    }
}

#contents {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

#page-top-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

#page-top {
    height: 100%;
    aspect-ratio: 26/23;
    position: relative;
}

#page-top-mainvisual {
    width: 100%;
    height: 100%;
    background-image: url(./assets/img/prop/mainvisual.webp);
    background-size: cover;
    background-repeat: no-repeat;
    background-position-x: center;
    position: absolute;
    flex-shrink: 0;
}

@media (min-aspect-ratio: 3/4) {
    #page-top-container {
        height: 100vh;
    }
}

@media (orientation: portrait) and (max-aspect-ratio: 3/4) {
    #page-top-container {
        height: auto;
    }
    #page-top {
        width: 100%;
        max-width: none;
        height: auto;
    }
    @media (max-aspect-ratio: 3/4) {
        #page-top {
            aspect-ratio: 3/4;
        }
        #page-top-mainvisual {
            background-image: url(./assets/img/prop/mainvisual_4-3.webp);
        }
    }
    @media (max-aspect-ratio: 9/16) {
        #page-top {
            aspect-ratio: 9/16;
        }
        #page-top-mainvisual {
            background-image: url(./assets/img/prop/mainvisual_9-16.webp);
        }
    }
}

#site-title {
    width: 90%;
    max-width: 40rem;
}

#site-title p:nth-child(1) {
    font-size: 3rem;
    color: #3B3B3B;
}

#site-title p span {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
}

#site-title p span:nth-child(1) {
    color: var(--gold-1);
}

#site-title p span:nth-child(2) {
    color: white;
}

.content-box {
    width: 95%;
    padding: 3rem 4rem;
    /*grid-template-rows: 3rem auto;*/
    margin: 2rem 0;
    background-color: rgba(255, 255, 255, 0.65);
    border: 1px solid #C69C6D;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: relative;
    z-index: 1;
    opacity: 0;
    transition: all 0.5s;
    transform: translateY(1rem);
}

.content-box.shown {
    opacity: 1;
    transform: translateY(0);
}

@media (orientation: portrait) and (max-aspect-ratio: 3/4) {
    .content-box {
        padding: 3rem 2rem 2rem 2rem;
    }
}

@media (orientation: landscape) {
    .content-box {
        width: 80%;
    }
}

.content-box::before {
    grid-column: 1;
    grid-row: 1;
    content: "";
    display: block;
    z-index: 1;
    height: 3rem;
    aspect-ratio: 1247/286;
    position: absolute;
    bottom: calc(100% - 2rem);
    background-image: url(./assets/img/prop/mizuhiki.webp);
    background-size: contain;
    background-repeat: no-repeat;
}

.content-box * h2 {
    position: relative;
    margin-bottom: 1.5rem;
}

.content-box * h2::before {
    position: absolute;
    top: -1.3rem;
    left: -1.5rem;
    content: "";
    display: block;
    aspect-ratio: 1/1;
    height: 4rem;
    background-image: url(./assets/img/prop/round_gold_wave.webp);
    background-size: contain;
    z-index: -1;
}

#mainvisual-detail-box,
#what-is-vck-box,
#special-program-box,
#special-contents-box {
    width: 100%;
}

#what-is-vck-box p {
    margin-top: 1rem;
    flex-grow: 2;
}

#what-is-vck,
#mainvisual-detail {
    display: flex;
    flex-direction: row;
    align-items: center;
}

#what-is-vck-logo,
#mainvisual-hinadori-icon {
    width: 100%;
    height: 100%;
    max-width: 15rem;
    margin-right: 1rem;
}

@media (orientation: portrait) {
    #what-is-vck,
    #mainvisual-detail {
        flex-direction: column;
        flex-wrap: wrap;
        justify-content: center;
    }
    #what-is-vck-logo,
    #mainvisual-hinadori-icon {
        width: 80%;
        max-width: none;
    }
}

#what-is-vck-logo img,
#mainvisual-hinadori-icon img {
    width: 100%;
}

#mainvisual-detail-box h4 {
    margin-top: 1rem;
}

#mainvisual-hinadori-icon img {
    clip-path: circle(50% at center);
}

#mainvisual-detail-about p {
    margin: 0.5rem 0;
}

#mainvisual-detail-about h3::after,
#special-contents-box h3::after {
    display: block;
    content: "";
    width: 100%;
    height: 1px;
    background-color: var(--gold-0);
    box-sizing: content-box;
}

h1.item-title {
    color: var(--gold-0);
    text-shadow: 0.2rem 0.2rem 0px rgba(0, 0, 0, 0.15);
}

#setlist-box {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
}

#setlist-box ul {
    width: 50%;
    min-width: 400px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    font-size: 1.3rem;
}

#setlist-box ul:nth-child(1) {
    color: var(--red-1);
}

#setlist-box ul:nth-child(2) {
    color: var(--gold-1);
}

#setlist-box ul li {
    margin-top: 0.2rem;
    font-size: 0.7rem;
}

@media (max-width: 480px) or (max-aspect-ratio: 9/16) {
    #setlist-box {
        flex-direction: column;
    }
    #setlist-box ul {
        width: 100%;
        min-width: auto;
    }
    #setlist-box ul:nth-child(1) {
        margin-bottom: 1rem;
    }
}

#issenkonen-embed {
    width: 100%;
    margin-top: 1rem;
    display: flex;
    justify-content: center;
}

#issenkonen-embed iframe {
    width: 50%;
    aspect-ratio: 16/9;
}

@media (orientation: portrait) {
    #issenkonen-embed iframe {
        width: 100%;
    }
}

#head-background-props {
    position: absolute;
    width: 100%;
    height: 100vh;
    overflow-x: hidden;
}

#red-wave,
#cloud-1,
#cloud-2,
#cloud-3 {
    position: inherit;
    z-index: -1;
}

#red-wave {
    right: 0;
    top: 0;
    width: 40%;
    max-width: 25rem;
}

@media (orientation: portrait) {
    #red-wave {
        width: 60%;
    }
}

#cloud-1 {
    left: 65%;
    top: 25%;
}

#cloud-2 {
    right: 60%;
    top: 50%;
}

#cloud-3 {
    left: 65%;
    top: 75%;
}

#special-contents-box h3 {
    margin-top: 1rem;
}

#collab-illust-box {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    margin-top: 0.5rem;
}

#collab-illust-box p {
    width: 50%;
    margin-left: 1rem;
}

#collab-illust {
    width: 50%;
}

#collab-illust img {
    width: 100%;
    aspect-ratio: 16/9;
}

@media (orientation: portrait) {
    #collab-illust-box {
        flex-wrap: wrap;
        flex-direction: column;
    }
    #collab-illust-box p {
        width: 100%;
        margin-left: 0;
    }
    #collab-illust {
        width: 100%;
    }
}

#cd-illusts {
    height: 20rem;
    display: flex;
    flex-direction: row;
    overflow-x: hidden;
    overflow-y: hidden;
    margin-top: 0.5rem;
}

#cd-illusts a {
    height: inherit;
    flex-shrink: 0;
}

#cd-illusts a p {
    position: absolute;
    left: 1rem;
}

#cd-illusts a p:nth-of-type(1) {
    bottom: 1.75rem;
}

#cd-illusts a p:nth-of-type(2) {
    font-size: 0.75rem;
    color: var(--text-gray);
    bottom: 1rem;
}

#cd-illusts a img {
    height: inherit;
    margin-right: 2px;
    border: 1px solid var(--red-0);
}

#cd-illusts a div {
    position: relative;
    top: -100%;
    display: block;
    width: inherit;
    height: inherit;
    content: "";
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.8211659663865546) 17%, rgba(255, 255, 255, 0) 40%);
}

footer {
    width: 100%;
    height: 2rem;
    background-color: var(--red-1);
}

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #FFF3D9;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.75s;
}

#loading-screen span {
    margin: 0 0.5rem;
    font-size: 2rem;
    color: #FFF3D9;
}

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

@keyframes loading-text {
    0% {
        transform: translateY(0);
        color: white;
    }
    25% {
        transform: translateY(-0.5rem);
        color: var(--red-0);
    }
    50% {
        transform: translateY(0);
        color: white;
    }
    75% {
        transform: translateY(-0.5rem);
        color: var(--gold-0);
    }
    100% {
        transform: translateY(0);
        color: white;
    }
}

#loading-screen span:nth-of-type(1) {
    animation: loading-text ease 3s infinite 0s;
}

#loading-screen span:nth-of-type(2) {
    animation: loading-text ease 3s infinite 0.1s;
}

#loading-screen span:nth-of-type(3) {
    animation: loading-text ease 3s infinite 0.2s;
}

#loading-screen span:nth-of-type(4) {
    animation: loading-text ease 3s infinite 0.3s;
}

#loading-screen span:nth-of-type(5) {
    animation: loading-text ease 3s infinite 0.4s;
}

#loading-screen span:nth-of-type(6) {
    animation: loading-text ease 3s infinite 0.5s;
}

#loading-screen span:nth-of-type(7) {
    animation: loading-text ease 3s infinite 0.6s;
}