@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,700;1,700&display=swap');

/**** reset ****/
html, body, h1, h2, h3, h4, ul, ol, dl, li, dt, dd, p, div, span, img, a, table, tr, th, td, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    margin: 0;
    padding: 0;
    border: 0;
    font-size:100%;
    /*font-weight: normal;*/
    font-weight: 300;
    vertical-align:baseline;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
body {
    line-height: 1;
    _display: inline;
    _zoom:1;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { 
    display:block;
}
nav, ol, ul {
    list-style: none;
    list-style-type: none;
}
a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
table {
    border-collapse:collapse;
    border-spacing:0;
}
th, td {
    text-align:left;
    vertical-align:top;
}
img {
    vertical-align:bottom;
}
input, select, textarea {
    vertical-align:middle;
    /*-webkit-appearance: none;*/
    font-size: 1.6rem;
    background: #fff;
    border: none;
    font-family: "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
    font-weight: 300;
    font-display: swap;
    box-sizing: border-box;
}
i, span {
    font-style: normal;
    font-weight: inherit;
}
strong {
    font-weight: bold;
}
:focus {
    outline: 0;
}
/**** reset ****/

.flex {
    display:flex;
    -webkit-display:flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    flex-wrap:wrap;
    -webkit-flex-wrap:wrap;
    align-items: center;
    -webkit-align-items: center;
}

/**** style ****/

html {
    font-size: 10px;
}
body {
    background-color: var(--site-bg);
    color: rgba(255 255 255 / 0.9);
    font-size: 1.6rem;
    font-family: "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
    font-display: swap;
    letter-spacing: 0.08em;
}
a {
    color: var(--site-color);
    font-weight: bold;
    -webkit-transition: all 0.1s ease;
    -moz-transition: all 0.1s ease;
    -o-transition: all 0.1s ease;
    transition: all 0.1s ease;
}
@media (hover: hover) {
    a:hover {
        text-decoration: none;
        filter: opacity(0.8);
    }
}
br.smpbr {
    display: none;
}
:root {
    --site-color: #17aee3;
    --site-color-bl: #097cd1;
    --site-bg: #111111;
}


.roboto {
  font-family: "Roboto", sans-serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
  font-variation-settings: "wdth" 100;
}

#contain {
    position: relative;
    overflow: hidden;
}

#header {
    position: fixed;
    width: 100vw;
    top: 0;
    left: 0;
    z-index: 10;
    background: linear-gradient(rgba(17 17 17 / 1.0), rgba(17 17 17 / 0.0));
    transition: all 0.1s ease;
}

#header.scroll {
    background-color: rgba(17 17 17 / 0.9);
}

.header-wrap {
    width: min(90%, 1400px);
    margin-inline: auto;
    padding: 25px 0;
    transition: all 0.1s ease;
}

.scroll .header-wrap {
    padding: 15px 0;
}

.header-nav {
    gap: 15px;
}

.header-link {
    color: #fff;
}

.btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0 10px;
    color: #fff;
    background: linear-gradient(90deg, var(--site-color-bl), var(--site-color));
    line-height: 1;
}

.btn::after {
    content: "";
    width: 12px;
    height: 12px;
    background: url("../img/btn_arrow.svg") no-repeat;
    background-size: contain;
}

.header-btn {
    padding: 1em 1.5em 1em 2em;
    border-radius: 2em;
}

.sp-menu-box {
    display: none;
}

#main {
}

.main-wrap {
    position: relative;
    min-height: 800px;
}

.main-wrap::after {
    content: "";
    position: absolute;
    display: block;
    width: 100vw;
    height: 320px;
    bottom: 0;
    left: 0;
    background: linear-gradient(rgba(17 17 17 / 0.0), rgba(17 17 17 / 1.0));
}

.main-title {
    position: absolute;
    width: min(90%, 1400px);
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-size: 4.5rem;
    font-weight: bold;
    z-index: 1;
    text-shadow: 0 0 60px rgba(0 0 0 / 1.0);
}

.main-title-date {
    display: block;
    margin-top: 35px;
    text-align: center;
    font-size: 2.4rem;
}

.main-photo {
    position: absolute;
    width: 100vw;
    height: 800px;
    top: 0;
    left: 0;
    z-index: 0;
}
.main-photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#about {
    position: relative;
}

#about::after {
    content: "";
    position: absolute;
    background: url("../img/grd_obj.png") no-repeat center;
    width: 826px;
    height: 1083px;
    top: 0;
    right: 0;
    z-index: 0;
    filter: blur(360px) opacity(0.5);
}

.content-wrap {
    width: min(90%, 1100px);
    margin-inline: auto;
}

.about-wrap {
    position: relative;
    padding: 120px 0;
    z-index: 1;
}

.about-head {
    margin-bottom: 45px;
    font-size: 2.4rem;
    text-align: center;
}

.about-text {
}

.content-text {
    font-size: 1.6rem;
    line-height: 2.0;
}

.about-btn-wrap {
    margin-top: 60px;
    gap: 80px;
}

.about-btn-box {
    width: calc((100% - 80px) / 2);
    /* box-shadow: 0 0 90px rgba(9 125 209 / 0.10); */
}

.about-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    gap: 25px 0;
    width: 100%;
    height: 470px;
    border-radius: 10px;
    overflow: hidden;
    z-index: 0;
    box-shadow: 0 0 60px rgba(9 125 209 / 0.10);
}

.about-btn::after {
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 240px;
    bottom: 0;
    left: 0;
    background: linear-gradient(rgba(17 17 17 / 0.0), rgba(17 17 17 / 1.0));
    z-index: -1;
    mix-blend-mode: multiply;
}

.about-btn-type {
    padding: 6px 20px;
    background-color: var(--site-color);
    color: var(--site-bg);
    font-size: 12px;
    line-height: 1;
    border-radius: 2em;
}

.about-btn-name {
    position: relative;
    padding-bottom: 80px;
    font-size: 2.4rem;
    font-weight: bold;
}

.about-btn-name::after {
    content: "";
    position: absolute;
    display: block;
    width: 26px;
    height: 26px;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: url("../img/btn_arrow_bottom.svg") no-repeat center;
    background-size: contain;
}

.about-btn-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    transition: all 0.2s ease;
    filter: brightness(0.8);
    /* border-radius: 10px; */
}

@media (hover: hover) {
    .about-btn:hover {
        filter: opacity(1.0);
        box-shadow: 0 0 90px rgba(9 125 209 / 0.3);
    }
    .about-btn:hover .about-btn-img {
        transform: scale(1.05);
        filter: brightness(1.2);
    }
}

.past-btn {
    margin-top: 75px;
    text-align: center;
}

.btn-line {
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    gap: 0 10px;
    padding: 1em 1.75em 1em 2.25em;
    border-radius: 2em;
    color: #fff;
    border: 1px solid var(--site-color);
    color: var(--site-color);
    font-size: 1.8rem;
    line-height: 1;
}

.btn-line::after {
    content: "";
    width: 12px;
    height: 14px;
    background: url("../img/btn_arrow_bl.svg") no-repeat;
    background-size: contain;
}

#overview {
    background-color: #fff;
    color: var(--site-bg);
}

.overview-wrap {
    padding: 120px 0;
}

.overview-box + .overview-box {
    margin-top: 120px;
}

.overview-head {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 30px 0;
    margin-bottom: 40px;
    font-size: 3.2rem;
    font-weight: bold;
    text-align: center;
    color: var(--site-color);
}

.overview-type {
    padding: 6px 20px;
    background-color: var(--site-color);
    color: #fff;
    font-size: 12px;
    line-height: 1;
    border-radius: 2em;
}

.overview-text {
    text-align: center;
    font-weight: bold;
}

.overview-table {
    margin-top: 45px;
    table-layout: fixed;
    width: 100%;
    border-collapse: collapse;
}

.overview-table th,
.overview-table td {
    padding: 25px;
    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    line-height: 1.8;
}

.overview-table tr:nth-of-type(2n) th,
.overview-table tr:nth-of-type(2n) td {
    background-color: #f7f7f7;
}

.overview-table th {
    width: 20%;
    font-weight: bold;
}

.overview-btn-wrap {
    margin-top: 45px;
    text-align: center;
}

.overview-btn {
    display: inline-flex;
    gap: 0 15px;
    padding: 1.15em 2.5em 1.15em 2.75em;
    font-size: 2.4rem;
    border-radius: 2em;
}

.overview-btn::after {
    width: 16px;
    height: 16px;
}

#past {
    position: relative;
}

#past::before {
    content: "";
    position: absolute;
    background: url("../img/grd_obj.png") no-repeat center;
    width: 826px;
    height: 1083px;
    top: 0;
    left: 0;
    z-index: 0;
    filter: blur(360px) opacity(0.5);
}

#past::after {
    content: "";
    position: absolute;
    background: url("../img/grd_obj.png") no-repeat center;
    width: 826px;
    height: 1083px;
    bottom: 0;
    right: 0;
    z-index: 0;
    filter: blur(360px) opacity(0.5);
}

.past-wrap {
    position: relative;
    padding: 120px 0;
    z-index: 1;
}

.past-box + .past-box {
    padding-top: 120px;
}

.past-head {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 30px 0;
    margin-bottom: 50px;
    font-size: 3.2rem;
    font-weight: bold;
    text-align: center;
    color: var(--site-color);
}

.past-type {
    padding: 0.75em 1.5em;
    color: #fff;
    font-size: 1.6rem;
    line-height: 1;
    border-radius: 2em;
    border: 1px solid rgba(255 255 255 / 0.5);
}

.past-mov {
    box-shadow: 0 0 60px rgba(9 125 209 / 0.2);
}

.past-mov-inner iframe {
    width: 100%;
    height: 100%;
    aspect-ratio: 16/9;
}

.photo-display {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: rgba(0 0 0 / 0.8);
    z-index: 20;
}

.photo-display.active {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 25px;
}

.photo-box {
    position: relative;
    width: min(80%, 660px);
    padding-top: 660px;
    box-shadow: 0 0 30px rgba(0 0 0 / 0.8);
}

.photo-control {
    position: absolute;
    display: block;
    width: 18px;
    height: 18px;
    top: 50%;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
}
.photo-control-prev {
    left: -20px;
    transform: translateY(-50%) rotate(135deg);
}
.photo-control-next {
    right: -20px;
    transform: translateY(-50%) rotate(-45deg);
}

.photo-box-close {
    display: inline-block;
    padding: 0.75em 1.5em;
    font-size: 1.6rem;
    border: 1px solid var(--site-color);
    border-radius: 2em;
}

#photo-display-img {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    transition: all 0.1s ease;
}

.past-photo-list {
    margin-top: 60px;
    justify-content: flex-start;
    gap: 3px;
}

.past-photo-list li {
    width: calc((100% - 6px) / 3);
}

.past-photo-list li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}



/* form */
#inquiry {
    padding: 120px 0;
    background: #eff3f7;
    color: var(--site-bg);
}

.inquiry-head {
    margin-bottom: 45px;
    text-align: center;
    font-size: 3.0rem;
    font-weight: bold;
    line-height: 1.5;
}

.inquiry-text {
    text-align: center;
}

.inquiry-cost {
    padding: 20px;
    margin-top: 35px;
    background: #d2e2eb;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
}

#inquiry .inquiry-cost span {
    font-size: 13px;
}

#form {
    padding: 0 100px;
}

#form input[type=text] {
    padding: 1.0em 1.25em;
    border: 1px solid #c3ced5;
    border-radius: 5px;
}

#form input[type=text]:focus {
    border: 1px solid #7d919d;
}

#form input::placeholder {
    color: #ccc;
}

.form-box-wrap {
    margin-top: 40px;
}

.form-box:not(:last-of-type) {
    margin-bottom: 15px;
}

.form-label-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-label-wrap input[type=radio] {
    display: none;
}

.form-label {
    position: relative;
    width: calc((100% - 15px) / 2);
    padding: 25px 25px 25px 60px;
    margin: 0;
    font-size: 1.8rem;
    font-weight: bold;
    background-color: transparent;
    color: var(--site-color);
    box-shadow: 0 0 0 1px #75cceb;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.1s ease;
}

@media (hover: hover) {
    .form-label:hover {
        box-shadow: 0 0 0 1px var(--site-color);
        background-color: #e7f2f8;
    }
}

.form-label::before {
    content: "";
    position: absolute;
    display: block;
    width: 24px;
    height: 24px;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    background-color: var(--site-color);
    border-radius: 12px;
    box-shadow: 0 0 0 1px var(--site-color) inset, 0 0 0 20px #fff inset;
    transition: all 0.1s ease;
}

input[type=radio]:checked + .form-label {
    box-shadow: 0 0 0 1px var(--site-color);
    background-color: var(--site-color);
    color: #fff;
}

input[type=radio]:checked + .form-label::before {
    background-color: var(--site-color);
    box-shadow: 0 0 0 5px #fff inset;
}

.form-box input[type=text] {
    width: 100%;
}

.form-button-box {
    margin-top: 35px;
    text-align: center;
}

.form-button-box {
    text-align: center;
}

.form-btn {
    display: inline-flex;
    justify-content: center;
    gap: 0 15px;
    padding: 1.15em 2.5em 1.15em 2.75em;
    min-width: 360px;
    font-size: 2.0rem;
    font-weight: bold;
    border-radius: 2em;
    border: none;
    letter-spacing: 0.1em;
    cursor: pointer;
}

.form-btn::after {
    width: 16px;
    height: 16px;
}

@media (hover: hover) {
    .form-button-box .form-btn:hover {
        opacity: 0.7;
    }
}

#form.loaded {
    display: none;
}

#form-complete {
    display: none;
}

#form.loaded+#form-complete {
    display: block;
}

.form-complete-head {
    margin-top: 30px;
    text-align: center;
}

.form-policy {
    margin-top: 35px;
    text-align: center;
}

.form-policy-text {
    text-align: center;
    font-size: 14px;
}

.form-policy label {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0 7px;
    margin-top: 15px;
    margin-right: 0;
    cursor: pointer;
    font-size: 14px;
}

.form-policy label:has(#form-policy:checked) {
    font-weight: bold;
    color: var(--site-color);
}

#form-policy {
    position: relative;
    margin: 0;
    padding: 0;
    width: 20px;
    height: 20px;
    box-shadow: 0 0 0 1px #aaa inset;
    border-radius: 3px;
    background-color: #fff;
    -webkit-appearance: none;
    appearance: none;
}

#form-policy:checked::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: var(--site-color);
    border-radius: 3px;
}

#form-policy:checked::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 5px;
    top: 4px;
    left: 4px;
    border-left: 3px solid #fff;
    border-bottom: 3px solid #fff;
    transform: rotate(-45deg);
    z-index: 1;
}

.copyright {
    padding: 30px;
    text-align: center;
    font-size: 1.1rem;
}


@media (max-width: 768px) {
    html {
        font-size: 9px;
    }

    br.smpbr {
        display: inline !important;
    }

    .header-nav li:first-of-type {
        display: none;
    }

    .header-btn {
        font-size: 1.4rem;
    }

    .main-wrap {
        min-height: 700px;
    }

    .main-title {
        line-height: 1.5;
    }

    .main-photo {
        height: 700px;
    }

    .about-wrap,
    .overview-wrap,
    .past-wrap,
    #inquiry {
        padding: 90px 0;
    }

    .about-btn-wrap {
        gap: 1.5vw;
    }

    .about-btn-box {
        width: calc((100% - 1.5vw) / 2);
    }

    .about-btn {
        height: 360px;
    }

    #form {
        padding: 0;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 8px;
    }

    .header-wrap {
        position: relative;
        padding: 15px 0;
    }


    .header-logo img {
        height: 32px;
        width: auto;
    }

    .header-nav {
        position: fixed;
        flex-direction: column;
        justify-content: center;
        align-items: stretch;
        gap: 20px;
        width: 95vw;
        height: 100vh;
        padding: 10vw;
        top: 0;
        right: 0;
        background-color: rgba(17 17 17 / 0.95);
        transform: translateX(100%);
        transition: all 0.2s ease;
    }

    .header-nav li:first-of-type {
        display: block;
    }

    .header-nav li:first-of-type a {
        display: block;
        width: 100%;
        padding: 1em;
        text-align: center;
        color: var(--site-color);
        border: 1px solid var(--site-color);
        border-radius: 2em;
        font-size: 1.8rem;
    }

    .header-btn {
        justify-content: center;
        width: 100%;
        font-size: 1.8rem;
    }

    .header-nav.open {
        transform: translateX(0);
    }

    .sp-menu-box {
        position: absolute;
        height: 100%;
        width: 60px;
        top: 0;
        right: -5vw;
        display: block;
        background-color: var(--site-color);
    }

    .sp-menu {
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        gap: 6px;
        width: 100%;
        height: 100%;
    }

    .sp-menu-line {
        display: block;
        width: 45%;
        height: 3px;
        background-color: #fff;
        border-radius: 1px;
        transition: all 0.2s ease;
    }

    .open .sp-menu-line:nth-of-type(1) {
        transform: translateY(4.5px) rotate(45deg);
    }

    .open .sp-menu-line:nth-of-type(3) {
        transform: translateY(-4.5px) rotate(-45deg);
    }

    .open .sp-menu-line:nth-of-type(2) {
        display: none;
    }

    .main-wrap {
        min-height: 60vh;
    }

    .main-photo {
        height: 60vh;
    }

    .main-title {
        bottom: 0;
        font-size: 3.2rem;
    }

    .main-title-date {
        margin-top: 20px;
        font-size: 2.0rem;
    }

    .about-wrap, .overview-wrap, .past-wrap, #inquiry {
        padding: 60px 0;
    }

    .about-head {
        margin-bottom: 30px;
        font-size: 2.0rem;
    }

    .about-btn-wrap {
        margin-top: 30px;
        flex-direction: column;
        gap: 5vw;
    }

    .about-btn-box {
        width: 100%;
    }

    .about-btn {
        justify-content: center;
        gap: 15px;
        height: 180px;
    }

    .about-btn::after {
        height: 180px;
    }

    .about-btn-name {
        padding-bottom: 30px;
        font-size: 2.4rem;
        text-shadow: 0 0 30px rgba(0 0 0 / 1.0);
    }

    .about-btn-name::after {
        width: 20px;
        height: 20px;
        bottom: 0;
    }

    .past-btn {
        margin-top: 45px;
    }

    .overview-head {
        gap: 20px 0;
        margin-bottom: 30px;
        font-size: 2.4rem;
    }

    .overview-text {
        text-align: left;
    }

    .overview-text br {
        display: none;
    }

    .overview-table {
        margin-top: 30px;
    }

    .overview-table th, .overview-table td {
        padding: 1.25em;
    }

    .overview-table th {
        width: 20%;
        white-space: nowrap;
    }

    .overview-btn-wrap {
        margin-top: 30px;
    }

    .overview-btn {
        justify-content: center;
        width: 100%;
        padding: 1.25em 0;
        font-size: 2.0rem;
    }

    .overview-box + .overview-box {
        margin-top: 90px;
    }

    .past-head {
        gap: 20px 0;
        margin-bottom: 30px;
        font-size: 2.4rem;
        line-height: 1.5;
    }

    .past-photo-list {
        margin-top: 30px;
    }

    .past-photo-list li {
        /* width: calc((100% - 3px) / 2); */
    }

    .past-box + .past-box {
        padding-top: 90px;
    }



    /*form*/
    #inquiry {
        padding: 60px 0;
    }

    .inquiry-head {
        margin-bottom: 20px;
        font-size: 18px;
        line-height: 1.5;
    }

    .inquiry-text {
        font-weight: normal;
        text-align: left;
    }

    .inquiry-text br {
        display: none;
    }

    .inquiry-cost {
        padding: 15px;
        margin-top: 25px;
        font-size: 16px;
    }

    .form-box-wrap {
        margin-top: 25px;
    }

    .form-box:not(:last-of-type) {
        margin-bottom: 10px;
    }

    #form input[type=text] {
        padding: 0.75em 1.0em;
        font-size: 16px;
    }

    .form-policy-text {
        line-height: 1.5;
        text-align: left;
    }

    .form-button-box {
        margin-top: 20px;
    }

    .form-btn {
        /* display: block; */
        width: 100%;
        min-width: 100%;
        padding: 17px 0 19px 0;
        font-size: 16px;
    }

    .form-label-wrap {
        flex-direction: column;
        gap: 10px;
    }

    .form-label {
        width: 100%;
        padding: 20px 25px 20px 60px;
        font-size: 1.8rem;
    }

    .photo-box {
        padding-top: 80%;
    }
}