@charset "UTF-8";

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    color: #333;

    background-color: #f7f5f0;
}

h2,
h3 {
    text-align: center;
}

/* 幕 */
#wrap::before,
#wrap::after {
    position: fixed;
    z-index: 3;
    top: -15%;
    display: block;
    visibility: hidden;
    width: 50%;
    height: 130%;
    content: '';
    background-color: #ffffff;
}

#wrap::before {
    left: 0;
    animation: curtain_l 3s;
    -webkit-animation: curtain_l 3s;
}

#wrap::after {
    right: 0;
    animation: curtain_r 3s;
    -webkit-animation: curtain_r 3s;
}

@keyframes curtain_l {
    0% {
        visibility: visible;
    }

    20% {
        transform: rotate(0deg) translateX(0%);
        background-color: #2233cc;
    }

    60% {
        transform: rotate(6deg) translateX(-50%);
    }

    80% {
        opacity: 1;
    }

    100% {
        transform: rotate(0deg) translateX(-100%);
        opacity: 0;
        visibility: hidden;
    }
}

@-webkit-keyframes curtain_l {
    0% {
        visibility: visible;
    }

    20% {
        -webkit-transform: rotate(0deg) translateX(0%);
        background-color: #919cff;
    }

    60% {
        -webkit-transform: rotate(6deg) translateX(-50%);
    }

    80% {
        opacity: 1;
    }

    100% {
        -webkit-transform: rotate(0deg) translateX(-100%);
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes curtain_r {
    0% {
        visibility: visible;
    }

    20% {
        transform: rotate(0deg) translateX(0%);
        background-color: #2233cc;
    }

    60% {
        transform: rotate(-6deg) translateX(50%);
    }

    80% {
        opacity: 1;
    }

    100% {
        transform: rotate(0deg) translateX(100%);
        opacity: 0;
        visibility: hidden;
    }
}

@-webkit-keyframes curtain_r {
    0% {
        visibility: visible;
    }

    20% {
        -webkit-transform: rotate(0deg) translateX(0%);
        background-color: #919cff;
    }

    60% {
        -webkit-transform: rotate(-6deg) translateX(50%);
    }

    80% {
        opacity: 1;
    }

    100% {
        -webkit-transform: rotate(0deg) translateX(100%);
        opacity: 0;
        visibility: hidden;
    }
}

nav {
    position: fixed;
    width: 100%;
    z-index: 2
}

nav ul {
    display: flex;
    justify-content: center;
    gap: 20%;
    list-style: none;
    margin: 0;
    padding: 20px;
    background-color: rgba(18, 45, 97, 0.5);
}

nav a {
    color: #f7f5f0;
    text-decoration: none;
    font-size: 20px;
    font-family: "Trebuchet MS";
}

.mainvisual {
    position: relative;
}

.mainvisual::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 1;
}

.mv-image {
    width: 100%;
    height: 90%;

    object-fit: cover;
    display: block;
}

.mv-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
}

.mv-logo img {
    width: 180px;
}

.mv-logo p {
    color: white;
    margin-top: 15px;
    letter-spacing: 0.3em;
}

.menu {
    display: inline;
}

.menu-inner {
    display: flex;
    /* フレックスボックスを使う */
    flex-direction: column;
    /* 縦並びにする */
    align-items: center;
    /* 中央に揃える（左寄せなら flex-start） */
    gap: 10px;
}

.menu-inner image {
    width: 200px;
    /* 画像の幅を調整 */
    height: auto;
}

.about,
.access,
.contct {
    font-size: 20px;
    text-align: center;
}

/* .mv-image {
    display: block;
    width: 100%;
}

.logo {
    position: absolute;

    top: 6%;
    left: 5%;

    width: 100px;

    transform: translate(-50%, -50%);
    animation: rotate-anim 10s linear infinite;
}

@keyframes rotate-anim {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    } */