.hide {
    display: none;
}

.only-pc {
    display: none;
}

.full-view {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    overflow: hidden;
}

.w10 {
    width: 100%;
}

.w9 {
    width: 100%;
}

.w8 {
    width: 100%;
}

.w7 {
    width: 100%;
}

.w6 {
    width: 100%;
}

.w5 {
    width: 100%;
}

.of-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.of-contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.center {
    text-align: center;
}

.left {
    text-align: left;
}

.centering {
    justify-content: center;
    align-items: center;
}

.btn {
    font-size: 2rem;
    display: inline-block;
    padding: 0.5rem 1rem;
    color: lightgreen;
    border: double 3px lightgreen;
    border-radius: 1rem;
    box-shadow: 0 0 1rem lightgreen;
    transition: background-color 0.5s ease;
    margin: 0.5rem;
}

.btn:hover {
    background: white;
}

/* 背景 */
.bg-black {
    background: black;
}

/* フォント */
.b {
    font-weight: bold;
}

/* リスト */
.undeco-list {
    list-style: none;
    padding: 0;
    margin: 0;
}





.scale-btn {
    display: inline-block;
    margin: 0.5rem;
    width: 3rem;
    height: 3rem;
    cursor: pointer;
}

.scale-btn>* {
    width: 100%;
    transform-origin: center center;
    transform: scale(0.8);
    transition: all 0.5s ease;
}

.scale-btn>*:hover {
    transform: scale(1.1);
}


/* バナー */

.banner {
    margin: 2rem 0;
    height: 30vw;
    max-height: 10rem;
    overflow: hidden;
    border: solid 1px white;
    border-left: none;
    border-right: none;
    opacity: 0;
    height: 0rem;
    margin: 1rem 0;
}

/* ネオン文字 */
.neon {
    color: #fee;
    text-shadow: 0 0 0.5em red, 0 0 0.25em red, 0 0 0.05em red;
    /* text-shadow: 0 -2.5rem 7rem, 0 0 1em red, 0 0 0.5rem red, 0 0 0.1rem red; */
}

.neon .small {
    text-shadow: none;
    color: #fdd;
}

.neon mark {
    animation: neon-blink linear infinite 3s;
    background: none;
    color: inherit;
}

@keyframes neon-blink {
    78% {
        color: inherit;
        text-shadow: inherit;
    }

    80% {
        color: #333;
        text-shadow: none;
    }

    81% {
        color: inherit;
        text-shadow: inherit;
    }

    82% {
        color: #333;
        text-shadow: none;
    }

    83% {
        color: inherit;
        text-shadow: inherit;
    }

    91% {
        color: inherit;
        text-shadow: inherit;
    }

    92% {
        color: #333;
        text-shadow: none;
    }

    92.5% {
        color: inherit;
        text-shadow: inherit;
    }
}


/* 小コンテンツ */
.card {
    background: rgba(17, 17, 17, 0.7);
    box-shadow: 0 0 0.5rem rgb(255, 255, 255);
    overflow: hidden;
    margin: 1.5rem auto;
    border-radius: 1rem;
}

.card-head {
    text-align: center;
    font-weight: bold;
    font-size: 1.7rem;
    padding: 1rem 0.2rem;
    padding-bottom: 0rem;
    line-height: 0.8em;
}

.card-head>div {
    line-height: 100%;
}

.card-head::after {
    display: block;
    content: "";
    width: 60%;
    margin: 0 auto;
    border-top: solid 1px rgba(255, 255, 255, 0.4);
}

.card-main {
    text-align: left;
    padding: 1rem;
    line-height: 1.8rem;
}

/* トップボタン */
.btn-s {
    display: inline-block;
    margin: 1rem;
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    color: greenyellow;
    border: double 3px greenyellow;
    border-radius: 0.5rem;
    transition: all 0.5s ease;
}

.btn-s:hover {
    background: white;
}



.plane-title {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(black, #333);
    padding: 1.5rem 1rem;
    padding-bottom: 0.5rem;
    text-transform: uppercase;
    line-height: 0.8em;
    min-height: 4rem;
    box-sizing: border-box;
}

.block {
    display: block;
}

.small {
    font-size: 40%;
}

.img-fit {
    width: 30rem;
    max-width: 90%;
}

.img-fit-s {
    width: 20rem;
    max-width: 90%;
}

.photo {
    border: solid 0.5rem white;
}

.round {
    border-radius: 1rem;
}

.def-link a {
    color: #15a4f9;
}

/* レイアウト */
.container {
    margin: 0 auto;
    padding: 1rem;
}

@media (min-width: 450px) {
    .only-pc {
        display: initial;
    }

    .only-mobile {
        display: none;
    }
}

@media (min-width: 600px) {
    .container {
        max-width: 600px;
    }
}

@media (min-width: 1000px) {
    .container {
        max-width: 900px;
    }
}