@charset 'UTF-8';

/*
COLORS
================================================ */
:root {
    --light-blue: #4db1ec;
    --blue: #2c4198;
    --purple: #b473bf;
    --pink: #ffb2c1;
    --orange: #ff9f67;
    --gold: #ffcc00;
    --light-green: #a2e29b;
    --green: #00a2af;
    --grey: #333;
    --light-grey: #efefef;
    --white: #fff;
}

/*
GENERAL STYLING
================================================ */
html {
    font-size: 100%;
    /* スムーズスクロール */
    scroll-behavior: smooth;
}
body {
	color: var(--grey);
    background-color: var(--white);
    font-family: 'Noto Sans JP', sans-serif;
}

/*
COMMON
================================================ */
.logo,h1,.hero-date,h5 {
    font-family: "ab-countryroad", sans-serif;
    font-weight: 400;
    font-style: normal;}

    .logo {
        padding-top: .2rem;
        letter-spacing: -0.1rem;}


    h1 {color: var(--gold);
            letter-spacing: -0.8rem;}

            .hero-date {color: var(--gold);}

p {
    line-height: 1.7;}

p a {
    color: #2c4198;
}

img {
    max-width: 100%;
}
h2 {
    font-size: 3rem;
    margin-bottom: 4rem;}

h2 {
    font-family: "indivisible", sans-serif;
    font-weight: 700;
    font-style: normal;
    text-align: center;
}

h3 {
    font-weight: 700;
    font-size: 1.4rem;
    margin-bottom: 0.8rem;}

h4 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;}

h5 {
    font-size: 1.4rem;
    padding: 0;
    margin: 0;}

/*
header,Developer: Show Running Extensions
h1,
h2,
.hero-date {
    font-family: impact, sans-serif;
}
*/

/* Layout */
.wrapper {/*TEST border: 1px solid rgba(0,0,0,1);*/
    max-width: 860px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1rem;}

/*
HEADER
================================================ */
header .wrapper {
    align-items: center;
    display: flex;
    justify-content: space-between;}

.logo {
        font-size: 2rem;}

header {
    background: rgba(255,204,0,.8);
    padding: .6rem 0;
    position: fixed;
    width: 100%;
    z-index: 10;}

header a {
    color: var(--white);}

/*SP*/.btn-menu {
    position: absolute;
    top: 12px;
    right: 12px;
    color: var(--white);
    padding: .5rem 1rem;}

.main-nav {
    font-family: "indivisible", sans-serif;
    font-weight: 700;
    font-style: normal;
    width: 0;
    position: absolute;
    z-index: 10;
    top: 50px;
    right: 0;
    overflow: hidden;
    transition: .5s;}

.main-nav li {
    text-align: center;
    margin: 2rem 0;}

.main-nav a {
    display: block;}

.main-nav.open-menu {
    width: 100%;}

/*
TOP
================================================ */
#top {/*background-color: var(--purple);*/
    position:relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);}

#top div.wrapper {
    position: absolute;
    width: 100vw;
    height: 100vh;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 2;}

video {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    object-position: center top;
    opacity: var(--video-opacity);
    z-index: -1;}

#top div.cover {
    position: absolute;
    z-index: 0;
    background-size: auto auto;
    background-image: linear-gradient(45deg, rgba(255, 204, 0, .2) 50%, rgba(0, 0, 0, 0.3) 50%);
    background-size: 2px 2px;
    width: 100vw;
    height: 100vh;}



@keyframes bg-color {
    0% { background-color: var(--light-blue); }
    12.5% { background-color: var(--blue); }
    25% { background-color: var(--purple); }
    37.5% { background-color: var(--pink); }
    50% { background-color: var(--orange); }
    62.5% { background-color: var(--yellow); }
    75% { background-color: var(--light-green); }
    87.5% { background-color: var(--green); }
    100% { background-color: var(--light-blue); }}



#top h1 {
    font-size: 8rem;
    margin-top: 7rem;}
    
.hero-date {
    text-align: center;
    padding: .5rem 0;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;}

/*
ABOUT
================================================ */
#about {
    padding: 4rem 1rem;}

#about h2 {
    color: var(--blue);
    text-fill-color: transparent;}

#about h3 {
    margin-top: 2rem;
    margin-bottom: .5rem;}

#about p  {
    margin-bottom: 1.4rem;}

#about details {
    color: var(--grey);
    background-color: var(--light-grey);
    margin-bottom: 2em;
    padding: .6rem 1rem;}

#about details summary {
    cursor: pointer;}

#about details summary:hover {
    color: var(--white);}

#about details p {
    margin-top: 1rem;
    margin-bottom: 0rem;}

#about details div {
        margin-top: 2rem;
        margin-bottom: 0rem;}

#about .btn {
    position: relative;
    text-align: center;
    color: var(--white);}

#about .btn a {
    width: 100%;
    display: block;
	position: absolute;
    background-color: var(--blue);
    margin-bottom: 0em;
    padding: .6rem 1rem;}

#about .btn a:hover {
    color: var(--blue);
    background-color: var(--gold);}


/*
NEWS
================================================ */
#news {
    background-color: var(--gold);
    padding: 7rem 0;
    -webkit-clip-path: polygon(0 0, 100% 10%, 100% 90%, 0 100%);
    clip-path: polygon(0 0, 100% 15%, 100% 100%, 0 85%);
}

.news-table {
    width: 100%;
}
.news-table tr {
    border-bottom: 1px solid rgba(255,255,255,.5);
}
.news-table td {
    display: block;
    line-height: 1.5;
}
.news-date {
    font-size: .875rem;
    padding-top: 1rem;
}
.news-content {
    padding-bottom: 1rem;
}

#news a:hover {
    color: var(--white);
}

/*
SPEAKERS
================================================ */
#speakers {
    padding: 4rem 1rem;
}

/*
TICKET
================================================ */
#ticket {
    background-image: linear-gradient(var(--pink), var(--purple));
    padding: 6rem 1rem 2rem;
    -webkit-clip-path: polygon(0 0, 100% 10%, 100% 100%, 0 100%);
    clip-path: polygon(0 0, 100% 10%, 100% 100%, 0 100%);
}
#ticket h2 {
    color: var(--white);
}
.ticket-form {
    max-width: 480px;
    margin: 0 auto 5rem;
}
.ticket-form label {
    color: var(--white);
    display: block;
    margin-bottom: .5rem;
}
.ticket-field {
    background: rgba(255,255,255,.6);
    padding: 1rem;
    width: 100%;
    margin-bottom: 1.5rem;
}
.ticket-btn {
    background: var(--grey);
    color: var(--white);
    display: block;
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
}

#toranomaki {
    background-color: var(--gold);
    padding: 7rem 0;
    -webkit-clip-path: polygon(0 0, 100% 10%, 100% 90%, 0 100%);
    clip-path: polygon(0 0, 100% 15%, 100% 100%, 0 85%);
}

/*
FOOTER
================================================ */
.footer {
    border-top: 1px solid rgba(255,255,255,0.5);
    padding-top: 2rem;
    text-align: center;
    font-size: .875rem;
    color: var(--white);
}
.footer a {
    text-decoration: underline;
}

/*
DESKTOP SIZE
================================================ */
@media (max-width: 600px) {

    h1 {font-size: 1rem;}
    .main-nav {
        background: rgba(0,0,0,.7);}
}

@media (min-width: 600px) {
/* Common */
    h2 {
        font-size: 5rem;
    }
    a:hover,
    .ticket-btn:hover {
        transition: .3s;
    }
    a:hover {
        color: var(--gold);
    }
    .ticket-btn:hover {
        background: var(--blue);
    }

/* Header */
    .btn-menu {
        display: none;}

    .main-nav {
        width: 100%;
        position: static;
        display: flex;}

    .main-nav li {
        margin: 0 0 0 1rem;}

/* Hero */

    .hero-date {
        font-size: 2.4rem;}

/* News */
    .news-table td {
        display: table-cell;
    }
    .news-date {
        padding: 1.125rem 0 1rem 1rem;
    }
    .news-content {
        padding: 1rem 1rem 1rem 0;
    }
/* Speakers */
    #speakers h2 {
        margin-bottom: 4rem;
    }
    .speakers-list {
        margin-bottom: 3rem;
    }
    .speakers-text {
        margin-left: 2rem;
    }
}