:root {
    --color_blue: #B1F1EB;
    --color_blue-txt: #1ec9b9;
    --color_blue-gr: linear-gradient(145deg, #85d1c3 1%, #cafff5 50%, #85d1c3 100%);
    --color_font-bk: #454545;
    --color_blue-back: rgba(177, 241, 235, 0.6);
    --color_border: #c0c0c0;
    --color_yellow: -webkit-linear-gradient(0deg, rgb(197, 155, 83) 30%, rgb(243, 210, 74) 50%, rgb(197, 155, 83) 70%) text;
}

/* Top  */
body,
.filter-wrap select,
.reserve input[type="submit"],
.reserve select {
    font-family: 'Noto Serif JP', serif;
}

main:before {
    content: "";
    display: block;
    background: url(../img/osi_back.jpg);
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    z-index: -1;
    background-color: rgba(255, 255, 255, 0.4);
    background-blend-mode: lighten;
    /* animation: gradation 120s infinite; */
}

.main-contact {
    background: var(--color_blue-gr);
    color: var(--color_font-bk);
}

.concept-bg p:nth-child(3) {
    text-align: left;
}

.contents-ttl h2,
.todays-wrap h2,
.concept-wrap h3 {
    background: -webkit-linear-gradient(0deg, rgb(197, 155, 83) 30%, rgb(243, 210, 74) 50%, rgb(197, 155, 83) 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.todays-wrap {
    background: var(--color_blue-back);

}

.concept-bg {
    background-image: none;
    background-color: var(--color_blue-back);
}

.concept-bg p {
    color: var(--color_font-bk);
}

.footer-logo {
    height: 100px;
    background-size: contain;
}

/* News  */
.news-inner-info a {
    text-decoration: none;
    color: var(--color_font-bk);
}

/* Schedule  */
.staff-box>ul li+li {
    border: none;
}

.tab-label {
    background: var(--color_blue);
    color: var(--color_font-bk);
}

.tab-switch:checked+.tab-label {
    color: #fff;
    background: #28cfbf;
}

.shop-cmt:after {
    border-top: none;
    border-bottom: 1px solid var(--color_border);
}

.shop-cmt {
    border-bottom: none;
}

.detail-tbl thead {
    background: var(--color_blue);
}

.detail-tbl tr th,
.detail-tbl tr td {
    border: 1px solid var(--color_border);
}

.detail-tbl tbody {
    margin-left: -1px;
}

@media screen and (max-width: 770px) {

    .detail-tbl tr th+th,
    .detail-tbl tr td+td {
        border-top: none;
    }
}

.detail-tbl tr td {
    background: #fff;
}

/* Recruit  */
.job-box dl dt {
    background: var(--color_blue);
    color: var(--color_font-bk);
}

.job-box dl dt+dd {
    background: #fff;
}

@media screen and (min-width: 769px) {
    .concept-bg p:nth-child(3) {
        text-align: center;
    }

    .footer-logo {
        height: 142px;
    }

}

/* 追記 */
.tw-btn {
    margin-top: 1rem;
}