@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&display=swap');

.pc-only {
    display: block;
}
.sp-only {
    display: none;
}

a:link, a:hover, a:visited {
    color: #00AAFF
}

body {
    font-family: Roboto;
    background-color: #000;
}

.wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.header {
    position: fixed;
    height: 64px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    background-color: #000;
    align-items: center;
    padding: 0 40px;
    top:0;
    left:0;
    width: calc(100% - 80px);
    z-index: 2;
}

.header-logo {
    width: 221px;
    height: 40px;
}

.header-logo img{
    width: 100%;
}

.header-ui {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.header-ui-language {
    font-style: normal;
    font-weight: normal;
    font-size: 16px;
    line-height: 100%;

    text-align: center;
    letter-spacing: 0.04em;

    color: #FFFFFF;
}

.header-ui-language a {
    color: #AAAAAA;
    text-decoration: underline;
}

.header-ui-language a:hover {
    color: #FF0000;
    text-decoration: underline;
}

.header-ui-language a.current {
    color: #FF0000;
    text-decoration: none;
}

.main-content-subject-footer-ui-button {
    display: flex;
    justify-content: center;
    align-items: center;
}

a.header-ui-button {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #FF0000;
    color: #fff;
    text-decoration: none;
    border-radius: 20px;
    width: 160px;
    height: 40px;
    font-size: 16px;
    line-height: 100%;
    /* identical to box height, or 16px */

    text-align: center;
    filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25));
    margin-left: 24px;
}

.main {
    margin-top: 64px;
}

.main-visual {
    position: fixed;
    top:64px;
    left:0;
    z-index: -1;

    overflow: hidden;
    height: 100vh;
}

.main-visual img{
    width: 1440px;
    height: 100%;
    z-index: 1;
    object-fit: cover;
    object-position: 80%;
    width: 100%;
    transition: all 0.5s;
}

.main-visual img.main-visual-color {
    display: block;
}
.main-visual.line img.main-visual-color {
    opacity: 0.0;
}

.main-visual img.main-visual-line {
    display: block;
    margin-top: calc(-100vh);
    opacity: 0.0;
}

.main-visual.line img.main-visual-line {
    opacity: 1.0;
}

.main-visual::after{
    content: '';
    z-index: 2;
    width: 100%;
    height: 245px;
    background: linear-gradient(180deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
    transform: rotate(-180deg);
    position: absolute;
    bottom: 0;
    left:0;
}

.main-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 800px;
    margin: auto;
}

.main-content-visual {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100vh;
}

.main-content-visual-title-logo {
    height: 46px;
    display: flex;
}

.main-content-visual-title-logo img {
    height: 100%;
}

.main-content-visual-title-logo a {
    display: contents;
}

.main-content-visual-presented-by{
    margin-top: 32px;
}

.main-content-visual-logo {
    width: 479px;
    position: absolute;
    bottom: 190px;
}

.main-content-visual-logo img {
    width: 100%;
}

.main-content-visual-description {
    font-style: normal;
    font-weight: bold;
    font-size: 24px;
    line-height: 150%;
    color: #FFFFFF;
    position: absolute;
    bottom: 100px;
    width: 800px;
}

.main-content-visual-author {
    font-style: normal;
    font-weight: bold;
    font-size: 16px;
    line-height: 150%;

    /* identical to box height, or 18px */

    color: #FFFFFF;
    position: absolute;
    bottom: 40px;
}

.main-content-visual-author a {
    text-decoration: underline;
}

.main-content-subject h2{
    font-family: Roboto;
    font-style: normal;
    font-weight: bold;
    font-size: 56px;
    line-height: 100%;
    color: #FF0000;

    margin-top: 232px;
}

.main-content-subject h3{
    font-family: Roboto;
    font-style: normal;
    font-weight: bold;
    font-size: 32px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 40px;
}

.main-content-subject h4{
    font-style: normal;
    font-weight: bold;
    font-size: 24px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 24px;
}

.main-content-subject p{
    font-family: Roboto;
    font-style: normal;
    font-weight: bold;
    font-size: 16px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 16px;
}

.main-content-subject-sponsors {
    display: grid;
	width: 100%;
    grid-template-columns: repeat(auto-fit, 388px);
    column-gap: 24px;
	row-gap: 24px;

    margin-top: 24px;
    justify-content: center;
}

.main-content-subject-sponsor {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 388px;
    height: 160px;
    background-color: #FFFFFF;
}

.main-content-subject-sponsor a {
    width: 324px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-content-subject-venue-logo {
    width: 240px;
    margin-top: 16px;
}

.main-content-subject-venue-logo img {
    width: 100%;
}

.main-content-subject-sponsor img {
    max-width: 100%;
    max-height: 100%;
}

ul.main-content-subject-date-list{
    margin-top: 24px;
}

ul.main-content-subject-date-list li {
    font-style: normal;
    font-weight: bold;
    font-size: 24px;
    line-height: 150%;
    color: #FFFFFF;
}

.main-content-schedule-section {
    margin-top: 56px;
}

.main-content-schedule-section::before{
    content: '';
    display:block;
    width: 100%;
    margin-bottom: 56px;
    border: 0;
    border-top: 4px solid #FF0000;
}

.main-content-schedule-section h2 {
    font-style: normal;
    font-weight: bold;
    font-size: 80px;
    line-height: 80px;
    margin-top: 160px;

    color: #FF0000;
}

.main-content-schedule-section h3 {
    font-style: normal;
    font-weight: bold;
    display: inline-block;
    font-size: 32px;
    line-height: 100%;
    color: #FFFFFF;
    position: relative;
    border-bottom: 2px solid #FFFFFF;
    padding-bottom: 8px;

    margin-top: 80px;
}

.main-content-schedule-section h3.main-content-schedule-section-first-program {
    margin-top: 40px;
}

.main-content-schedule-section-duration {
    font-style: normal;
    font-weight: bold;
    font-size: 16px;
    line-height: 100%;
    color: #FFFFFF;

    margin-top: 16px;
}

.main-content-schedule-section-time-list {
    margin-top: 32px;
}

.main-content-schedule-section-time {
    font-style: normal;
    font-weight: bold;
    font-size: 16px;
    line-height: 150%;

    color: #FFFFFF;
}

.main-content-schedule-section-big-desc {
    font-style: normal;
    font-weight: bold;
    font-size: 32px;
    line-height: 125%;
    color: #FFFFFF;

    margin-top: 32px;
}

.main-content-schedule-section-mid-desc {
    font-style: normal;
    font-weight: bold;
    font-size: 14px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 16px;
}

.main-content-schedule-section-emcee {
    font-style: normal;
    font-weight: bold;
    font-size: 18px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 32px;
}

.main-content-schedule-section-emcee a {
    text-decoration: underline;
}

.main-content-schedule-section-image {
    display: flex;
    margin-top: 8px;
    width: 100%;
}

.main-content-schedule-section-image img {
    width: 100%;
    height: 100%;
}

.main-content-schedule-section-image a:not(:first-child) {
    margin-left: 4px;
}

.main-content-schedule-section-image-copyright {
    line-height: 150%;
    color: #FFFFFF;
    font-size: 12px;

}

.main-content-schedule-section-copyright-logo {
    margin-top: 20px;
    margin-bottom: 10px;
    width: 200px;
}

.main-content-schedule-section-copyright-logo img {
    width: 100%;
}

.footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 800px;
    margin: auto;

    margin-top: 32px;
}

.footer h2{
    font-style: normal;
    font-weight: bold;
    font-size: 56px;
    line-height: 100%;
    color: #FFFFFF;

    margin-top: 80px;
}

.footer p {
    font-style: normal;
    font-weight: bold;
    font-size: 32px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 40px;
}

a.footer-ui-button {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 30px;
    width: 320px;
    height: 60px;
    font-style: normal;
    font-weight: bold;
    font-size: 24px;
    line-height: 150%;
    text-align: center;
    color: #000000;
    align-self: center;
    text-align: center;
    filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25));

    margin-top: 43px;
}

p.footer-hashtag {
    font-style: normal;
    font-weight: bold;
    font-size: 32px;
    line-height: 100%;
    text-align: center;
    text-decoration-line: underline;
    color: #FFFFFF;
    padding: 40px;
    border: 2px solid #FFFFFF;
    box-sizing: border-box;
}

div.footer-contacts {
    margin-top: 40px;
}

p.footer-contact {
    font-style: normal;
    font-weight: bold;
    font-size: 16px;
    line-height: 150%;
    color: #FFFFFF;

    margin-top: 0px;
}

.footer-event-hashtag {
    font-style: normal;
    font-weight: bold;
    font-size: 32px;
    line-height: 100%;
    /* identical to box height, or 32px */

    text-align: center;
    text-decoration-line: underline;

    color: #FFFFFF;
    padding: 40px;
    align-self: center;
    width: 100%;
    border: 2px solid #FFFFFF;
    box-sizing: border-box;
    margin-top: 40px;
}

.footer-logo {
    display: flex;
    width: 450px;
    height: 60px;
    align-self: center;
    margin-top: 240px;
    margin-bottom: 120px;
}

.footer-logo img {
    height: 100%;
}

.footer-logo a {
    display: contents;
}