@charset "UTF-8";

:root {
    --bg: #f6f1e8;
    --bg2: #fffaf1;
    --ink: #1f1b16;
    --sub: #6d6257;
    --gold: #b89554;
    --gold2: #d7bf83;
    --green: #17382c;
    --green2: #102a22;
    --line: rgba(31, 27, 22, .14);
    --shadow: 0 24px 70px rgba(0, 0, 0, .16);
    --radius: 26px
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

html {
    scroll-behavior: smooth
}

body {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.9;
    letter-spacing: .05em;
    overflow-x: hidden
}

a {
    color: inherit;
    text-decoration: none
}

img {
    display: block;
    width: 100%;
    object-fit: cover
}

ul {
    list-style: none
}

button {
    font: inherit
}

.section {
    padding: 110px 36px
}

.section-heading {
    max-width: 900px;
    margin: 0 auto 64px;
    text-align: center
}

.section-kicker {
    margin-bottom: 12px;
    color: var(--gold);
    font-size: 12px;
    letter-spacing: .28em;
    text-transform: uppercase
}

.section-heading h2,
.information__lead h2,
.bath__body h2,
.contact-box h2 {
    font-size: clamp(32px, 4.3vw, 56px);
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: .1em
}

.section-heading>p:last-child,
.information__lead>p:last-child {
    margin-top: 20px;
    color: var(--sub)
}

.loading {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: var(--green);
    transition: opacity .8s, visibility .8s
}

.loading.hide {
    opacity: 0;
    visibility: hidden
}

.loading__logo {
    width: 420px;
    max-width: 80%;
    height: auto
}

.loading__line {
    display: block;
    width: 180px;
    height: 1px;
    margin: 28px auto 0;
    background: linear-gradient(90deg, transparent, var(--gold2), transparent);
    animation: loadLine 1.5s infinite
}

@keyframes loadLine {

    0%,
    100% {
        transform: scaleX(.1);
        opacity: .3
    }

    50% {
        transform: scaleX(1);
        opacity: 1
    }
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    color: #fff;
    transition: .4s
}

.site-header.scrolled {
    background: rgba(23, 56, 44, .92);
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, .18)
}

.header-inner {
    height: 86px;
    max-width: 1280px;
    margin: auto;
    padding: 0 36px;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.logo img {
    width: 260px;
    height: auto
}

.global-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px
}

.global-nav a {
    position: relative
}

.global-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 1px;
    background: var(--gold2);
    transition: .3s
}

.global-nav a:hover::after {
    width: 100%
}

.menu-button {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    background: none
}

.menu-button span {
    display: block;
    height: 1px;
    margin: 8px 0;
    background: #fff;
    transition: .3s
}

.fixed-reserve {
    position: fixed;
    right: 24px;
    top: 50%;
    z-index: 900;
    display: grid;
    gap: 10px;
    transform: translateY(-50%)
}

.fixed-reserve a {
    writing-mode: vertical-rl;
    padding: 18px 12px;
    border-radius: 999px;
    background: rgba(184, 149, 84, .92);
    color: #fff;
    font-size: 14px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, .2)
}

.fixed-reserve a.current {
    background: rgba(23, 56, 44, .95)
}

.dayuse-hero {
    min-height: 740px;
    height: 100vh;
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
    color: #fff
}
.dayuse-hero h1{
    white-space: nowrap;
}

.dayuse-hero__slider,
.dayuse-hero__slide,
.dayuse-hero__overlay {
    position: absolute;
    inset: 0
}

.dayuse-hero__slide {
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 2s ease, transform 10s ease
}

.dayuse-hero__slide.active {
    opacity: 1;
    transform: scale(1)
}

.dayuse-hero__overlay {
    background: linear-gradient(90deg, rgba(0, 0, 0, .62), rgba(0, 0, 0, .18), rgba(0, 0, 0, .45))
}

.dayuse-hero__copy {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 22px;
    text-shadow: 0 8px 30px rgba(0, 0, 0, .45)
}

.dayuse-hero__copy>p {
    font-size: 13px;
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--gold2)
}

.dayuse-hero__copy h1 {
    margin: 18px 0;
    font-size: clamp(44px, 7vw, 84px);
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: .12em
}

.dayuse-hero__copy span {
    font-size: clamp(15px, 1.8vw, 21px);
    letter-spacing: .13em
}

.scroll-sign {
    position: absolute;
    z-index: 2;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    letter-spacing: .28em
}

.scroll-sign::after {
    content: "";
    display: block;
    width: 1px;
    height: 46px;
    margin: 12px auto 0;
    background: rgba(255, 255, 255, .7)
}

.page-nav {
    position: sticky;
    top: 86px;
    z-index: 800;
    display: flex;
    justify-content: center;
    gap: 0;
    background: rgba(255, 250, 241, .96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line)
}

.page-nav a {
    padding: 20px 24px;
    font-size: 13px;
    border-right: 1px solid var(--line)
}

.page-nav a:first-child {
    border-left: 1px solid var(--line)
}

.page-nav a:hover {
    color: var(--gold)
}

.intro {
    background: var(--bg2)
}

.information {
    background: var(--green);
    color: #fff
}

.information__inner {
    max-width: 1180px;
    margin: auto
}

.information__lead {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 60px
}

.information__lead>p:last-child {
    color: rgba(255, 255, 255, .72)
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px
}

.info-card {
    padding: 38px 30px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: var(--radius);
    text-align: center
}

.info-card span {
    color: var(--gold2);
    font-size: 12px;
    letter-spacing: .2em
}

.info-card h3 {
    margin: 12px 0 20px;
    font-size: 19px;
    font-weight: 400
}

.info-card strong {
    display: block;
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 400
}

.info-card p {
    margin-top: 8px;
    color: rgba(255, 255, 255, .68)
}

.quick-note {
    margin-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, .7);
    font-size: 13px
}

.bath {
    max-width: 1320px;
    margin: auto;
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 80px;
    align-items: center
}

.bath__visual,
.private__image {
    position: relative;
    height: 620px;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

.bath__visual img,
.private__image img {
    position: absolute;
    inset: 0;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s
}

.bath__visual img.active,
.private__image img.active {
    opacity: 1
}

.bath__body p:not(.section-kicker) {
    margin: 24px 0;
    color: var(--sub)
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px
}

.feature-list li {
    padding: 12px 16px;
    background: var(--bg2);
    border-left: 2px solid var(--gold)
}

.slider-arrow {
    position: absolute;
    top: 50%;
    z-index: 5;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, .42);
    color: #fff;
    font-size: 31px;
    cursor: pointer;
    transform: translateY(-50%)
}

.slider-arrow.prev {
    left: 18px
}

.slider-arrow.next {
    right: 18px
}

.slider-count {
    position: absolute;
    right: 20px;
    bottom: 18px;
    z-index: 5;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .5);
    color: #fff;
    font-size: 12px
}

.private {
    background: var(--bg2)
}

.private__grid {
    max-width: 1180px;
    margin: auto;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 70px;
    align-items: center
}

.private__image {
    height: 520px
}

.private__details dl {
    border-top: 1px solid var(--line)
}

.private__details dl div {
    display: grid;
    grid-template-columns: 130px 1fr;
    padding: 22px 0;
    border-bottom: 1px solid var(--line)
}

.private__details dt {
    color: var(--gold)
}

.private__details dd {
    font-size: 18px
}

.private__details small {
    color: var(--sub)
}

.note {
    margin: 22px 0 28px;
    color: var(--sub);
    font-size: 13px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    padding: 15px 24px;
    border: 1px solid transparent;
    transition: .3s
}

.btn--gold {
    background: var(--gold);
    color: #fff
}

.btn--gold:hover {
    background: #9e7c3f;
    transform: translateY(-2px)
}

.btn--outline-light {
    border-color: rgba(255, 255, 255, .6);
    color: #fff
}

.btn--outline-light:hover {
    background: #fff;
    color: var(--green)
}

/* サンドバス営業終了のお知らせ */
.sandbath-closed {
    background: var(--green);
    color: #fff;
}

.sandbath-closed__inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 68px 64px;
    text-align: center;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: var(--radius);
}

.sandbath-closed__inner h2 {
    margin-bottom: 28px;
    font-size: clamp(30px, 4.5vw, 52px);
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: .08em;
}

.sandbath-closed__inner p {
    color: rgba(255, 255, 255, .84);
    font-size: 16px;
    line-height: 2.1;
}

.sandbath-closed__lead {
    margin-bottom: 20px;
}

.sandbath-closed__note {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .18);
    color: var(--gold2) !important;
    font-size: 14px !important;
}

.facility {
    background: var(--bg2)
}

.facility-grid {
    max-width: 1180px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px
}

.facility-card {
    background: #fff;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .08);
    transition: .4s
}

.facility-card:hover {
    transform: translateY(-8px)
}

.facility-card img {
    height: 260px
}

.facility-card div {
    padding: 28px
}

.facility-card span {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: .2em
}

.facility-card h3 {
    margin: 8px 0 12px;
    font-size: 25px;
    font-weight: 400
}

.facility-card p {
    color: var(--sub);
    font-size: 14px
}

.notice-box {
    max-width: 1050px;
    margin: auto;
    padding: 56px;
    background: #fff;
    border: 1px solid var(--line);
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    gap: 60px
}

.notice-box h2 {
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 400
}

.notice-box li {
    position: relative;
    padding: 12px 0 12px 22px;
    border-bottom: 1px solid var(--line);
    color: var(--sub)
}

.notice-box li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 25px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold)
}

.contact {
    padding-top: 40px;
    background: var(--bg)
}

.contact-box {
    max-width: 1180px;
    margin: auto;
    padding: 90px 40px;
    text-align: center;
    color: #fff;
    background: linear-gradient(rgba(16, 42, 34, .86), rgba(16, 42, 34, .86)), url('images/roten.jpg') center/cover;
    border-radius: var(--radius)
}

.contact-box>p:not(.section-kicker) {
    margin: 18px 0 32px;
    color: rgba(255, 255, 255, .76)
}

.contact-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap
}

.site-footer {
    padding: 70px 36px;
    background: var(--green2);
    color: rgba(255, 255, 255, .72);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 30px
}

.footer-logo {
    width: 270px;
    margin-bottom: 20px
}

.footer-links {
    display: flex;
    gap: 24px;
    font-size: 13px
}

.reveal,
.fade-up {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity .9s ease, transform .9s ease
}

.reveal.visible,
.fade-up.visible {
    opacity: 1;
    transform: none
}

@media(max-width:1050px) {
    .global-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(380px, 86vw);
        height: 100vh;
        padding: 110px 38px 40px;
        background: var(--green2);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        transition: .4s
    }

    .global-nav.open {
        right: 0
    }

    .global-nav a {
        width: 100%;
        padding: 15px 0;
        border-bottom: 1px solid rgba(255, 255, 255, .12)
    }

    .menu-button {
        display: block;
        position: relative;
        z-index: 2
    }

    .menu-button.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg)
    }

    .menu-button.active span:nth-child(2) {
        opacity: 0
    }

    .menu-button.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg)
    }

    body.menu-open {
        overflow: hidden
    }

    .page-nav {
        overflow-x: auto;
        justify-content: flex-start
    }

    .page-nav a {
        white-space: nowrap
    }

    .bath,
    .private__grid {
        grid-template-columns: 1fr
    }

    .bath__visual {
        height: 540px
    }

    .facility-grid {
        grid-template-columns: 1fr 1fr
    }

    .notice-box {
        grid-template-columns: 1fr;
        gap: 30px
    }
}

@media(max-width:720px) {
    .section {
        padding: 82px 22px
    }

    .header-inner {
        height: 74px;
        padding: 0 20px
    }

    .logo img {
        width: 205px
    }

    .fixed-reserve {
        right: 8px
    }

    .fixed-reserve a {
        padding: 13px 8px;
        font-size: 11px
    }

    .page-nav {
        top: 74px
    }

    .dayuse-hero {
        min-height: 650px
    }

    .dayuse-hero__copy h1 {
        font-size: 40px
    }

    .info-grid,
    .facility-grid {
        grid-template-columns: 1fr
    }

    .bath {
        padding-left: 22px;
        padding-right: 22px;
        gap: 42px
    }

    .bath__visual,
    .private__image {
        height: 390px
    }

    .feature-list {
        grid-template-columns: 1fr
    }

    .private__grid {
        gap: 38px
    }

    .private__details dl div {
        grid-template-columns: 105px 1fr
    }

    .sandbath-closed__inner {
        padding: 44px 24px;
    }

    .sandbath-closed__inner p {
        font-size: 15px;
        line-height: 1.95;
    }

    .notice-box {
        padding: 34px 24px
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start
    }

    .footer-links {
        flex-wrap: wrap
    }

    .contact-box {
        padding: 68px 22px
    }

    .dayuse-hero__copy span {
        font-size: 14px
    }

    .slider-arrow {
        width: 42px;
        height: 42px
    }

    .section-heading {
        margin-bottom: 44px
    }
}