:root {
    --deep: #245861;
    --gold: #b89442;
    --text: #263744
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    color: var(--text);
    font-family: "FOT-UD角ゴ", "Hiragino Kaku Gothic ProN", sans-serif;
    line-height: 1.9;
    background: linear-gradient(#f8fdff, #eef9ff 45%, #fff)
}

.loading {
    position: fixed;
    inset: 0;
    background: linear-gradient(#dff4ff, #fff);
    display: grid;
    place-items: center;
    z-index: 1000;
    animation: out 1.4s 1.2s forwards
}

.loading-logo {
    width: min(70vw, 500px);
    height: auto;
}

.loading-logo:after {
    content: "";
    display: block;
    width: 80px;
    height: 1px;
    background: var(--gold);
    margin: 24px auto
}

.main-logo {
    display: block;
    width: min(80vw, 650px);
    height: auto;
    margin: 0 auto;
}

@keyframes out {
    to {
        opacity: 0;
        visibility: hidden
    }
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #ffffffe8;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #dcecf5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 5vw
}

.brand {
    color: var(--deep);
    text-decoration: none;
    font-family: "BIZ UD明朝";
    letter-spacing: .125em;
    font-size: 1.25rem
}

.site-header nav {
    display: flex;
    gap: 24px
}

.site-header nav a {
    color: var(--text);
    text-decoration: none;
    font-size: .9rem
}

.menu {
    display: none;
    border: 0;
    background: none;
    font-size: 1.5rem
}

.hero {
    min-height: 78vh;
    display: grid;
    place-items: center;
    text-align: center;
    background: radial-gradient(circle at 20% 25%, #fff 0 7%, transparent 27%), linear-gradient(#d9f2ff, #fff 75%);
    position: relative;
    overflow: hidden
}

.sky {
    position: relative;
    z-index: 2
}

.sanka {
    place-items: center;
    text-align: center;
    position: relative;
}

.anniv {
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--gold);
    font-size: .78rem
}

.cupname {
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--gold);
    font-size: 1.50rem;
    margin: 0
}

.hero h1 {
    font-family: "BIZ UD明朝";
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 400;
    letter-spacing: .15em;
    color: var(--deep);
    margin: 0
}

/*
.theme {
    font-family: serif;
    color: #587b91
}
*/

.hero-link {
    display: inline-block;
    margin-top: 28px;
    padding: 9px 24px;
    border: 1px solid var(--gold);
    color: var(--deep);
    text-decoration: none;
    background: #ffffff88
}

.section {
    max-width: 920px;
    margin: auto;
    padding: 90px 28px
}

.section h2 {
    font-family: "BIZ UD明朝";
    color: var(--deep);
    font-size: 2.0rem;
    font-weight: 400;
    letter-spacing: .12em;
    margin: 0 0 0.5rem;
    display: flex;
    align-items: center;
    gap: 18px
}

.section h2:after {
    content: "";
    height: 1px;
    background: var(--gold);
    width: 80px
}

.section h3 {
    font-family: "BIZ UD明朝";
    color: var(--deep);
    font-size: 1.5rem;
    font-weight: 400;
    margin-top: 55px
}

.section h4 {
    color: var(--deep);
    margin-top: 32px
}

.section li {
    margin: .55em 0
}

.washi {
    background-color: #f8f7f1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.45),
            rgba(255, 255, 255, 0.45)),
        url("washi.jpg");
    background-repeat: repeat, repeat;
    background-size: auto, 600px auto;
}

.title {
    font-family: "BIZ UD明朝";
    /*background: #e8fcff;*/
    text-align: center;
    padding: 20px 0px;
    margin: 22px 0
}

.subtitle {
    color: #245861;
    font-family: "BIZ UD明朝";
    letter-spacing: .125em;
    /*background: #e8fcff;*/
    /*padding: 20px 20px;
    margin: 22px 0*/
}

.title-honbun {
    color: #b89442;
    font-family: "Source Han Serif JP", "Noto Serif JP", "游明朝", "Yu Mincho", "ヒラギノ明朝 ProN", serif;
    font-size: 2.0rem;
    letter-spacing: .125em;
}

.about {
    color: #245861;
    font-family: "BIZ UD明朝";
    text-align: center;
    font-size: .90rem;
    /*padding: 1.0rem 0px;*/
    /*margin: 22px 0*/
}

.theme {
    color: #b89442;
    font-family: "BIZ UD明朝";
    /*display: inline-block;*/
    /* font-size: clamp(0.75rem, calc(0.191rem + 2.8vw), 1.0rem);*/
    /*background: #e8fcff;*/
    text-align: center;
    font-size: .90rem;
    padding: 1.0rem 0;
    margin: 1.0rem 0 10.0rem
}

.notice {
    background: #ffffffcc;
    border-left: 3px solid var(--gold);
    padding: 18px 22px;
    margin: 22px 0
}

.nglist {
    background: #aed5dd;
    padding: 10px 26px;
    /* margin: 22px 0*/
}

.timeline {
    border-left: 1px solid #b9d4e4;
    margin-left: 10px
}

.timeline div {
    position: relative;
    padding: 8px 0 8px 28px
}

.timeline div:before {
    content: "";
    position: absolute;
    left: -5px;
    top: 20px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--gold)
}

.timeline b,
.timeline span {
    display: block
}

.timeline b {
    color: var(--deep)
}

.ng {
    color: #0026ff
}

.small,
small {
    font-size: .78rem;
    color: #6e7f88
}

.coming {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #eef3f5, #f7f9fa);
    filter: grayscale(1);
    color: #87949a
}

.placeholder {
    font-family: "BIZ UD明朝";
    font-size: 2rem;
    letter-spacing: .2em;
    line-height: 1.3
}

.text-link,
a {
    color: var(--deep)
}

footer {
    text-align: center;
    padding: 45px 20px;
    min-height: 145px;
    border-top: 1px solid #dcecf5;
    color: #7a929f;
    font-size: .75rem;
    letter-spacing: .08em
}

footer p {
    margin: 0 0 10px
}


.hanten {
    text-emphasis: dot;
    /* 点をつける */
}

.vertical-text {
    writing-mode: vertical-rl;
}

@media(max-width:700px) {
    .site-header nav {
        display: none
    }

    .menu {
        display: block
    }

    .site-header nav.open {
        display: flex;
        position: absolute;
        top: 59px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 15px 5vw;
        gap: 5px
    }

    .site-header nav.open a {
        padding: 8px
    }

    .section {
        padding: 65px 20px
    }

    .hero h1 {
        font-size: 3rem
    }
}