/* 使用するGoogleフォント */
.zen-old-mincho-regular {
    font-family: "Zen Old Mincho", serif;
    font-weight: 400;
    font-style: normal;
}

.zen-old-mincho-bold {
    font-family: "Zen Old Mincho", serif;
    font-weight: 700;
    font-style: normal;
}

:root {
    /* 余白の基準単位 */
    --gap-unit: 2.4vw; /* ギャップを2.4vw */

    /* font-family＝明朝体フォント */
    --font-family-mincho: "Zen Old Mincho", serif;

    /* transition-duration を揃える */
    --transition-duration: 0.4s;
    --transition-duration-double: 0.8s;
    --transition-duration-quad: 1.6s;

    /* Bootstrap のCSS変数は、できるだけ sass 側で変更する */
}
@media (min-width: 768px) {
    :root {
        --gap-unit: min(2.2vw, 1920px * 0.022); /* PC時は少し狭める・ブラウザ横幅1920pxを最大値として規定 */
    }
}


/* HTML基本のスタイル */
html {
    scroll-behavior: smooth;
    max-width: 100%;
    height: auto;

    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: initial;
    }
}

body {
    overflow-x: hidden;
    font-weight: 400;
    font-style: normal;

    /* 禁則処理などの文字調整 */
    line-break: strict;
    overflow-wrap: anywhere;
    word-break: normal;
    font-feature-settings: "palt";
}

/* ブラウザ横幅1920pxを超えたらコンテンツを中央寄せ */
.base {
    width: 100%;
    max-width: 1920px;
    position: relative;
}
@media (min-width: 1921px) {
    body {
        display: flex;
        justify-content: center;
    }
}


img {
    max-width: 100%;
    height: auto;
}


a {
    color: inherit;
    text-decoration: none;
}
a:link {
    color: inherit;
    text-decoration: none;
}
a:visited {
    color: inherit;
    text-decoration: none;
}
@media (any-hover: hover) {
    a:hover {
        color: inherit;
        text-decoration: none;
    }
}
a:active {
    color: inherit;
    text-decoration: none;
}


a.disabled {
    /* Make the disabled links grayish*/
    color: gray;
    /* And disable the pointer events */
    pointer-events: none;
}

/* 下線を付けるリンク */
a.underline {
    text-decoration: underline;
    text-underline-offset: 0.25em;
    transition: all ease-in-out var(--transition-duration);
}
a.underline:link {
    text-decoration: underline;
    text-underline-offset: 0.25em;
    transition: all ease-in-out var(--transition-duration);
}
a.underline:visited {
    text-decoration: underline;
    text-underline-offset: 0.25em;
    transition: all ease-in-out var(--transition-duration);
}
@media (any-hover: hover) {
    a.underline:hover {
        text-decoration: underline;
        text-underline-offset: 0.25em;
        opacity: 0.5;
        transition: all ease-in-out var(--transition-duration);
    }
}
a.underline:active {
    text-decoration: underline;
    text-underline-offset: 0.25em;
    opacity: 0.5;
    transition: all ease-in-out var(--transition-duration);
}

a > img {
    transition: all ease-in-out var(--transition-duration);
}
@media (any-hover: hover) {
    a:hover > img {
        opacity: 0.75;
    }
}



/* font&text */
/* Bootstrapのクラスに属性を追加 */

h1, .h1 {
    line-height: 1.5;
    letter-spacing: 0.0875rem;
    margin-bottom: 0;
    font-family: var(--font-family-mincho);
    font-weight: 700;
}
h2, .h2 {
    line-height: 1.35;
    letter-spacing: 0.075rem;
    margin-bottom: 0;
    font-family: var(--font-family-mincho);
}
h3, .h3 {
    line-height: 1.275;
    letter-spacing: 0.07rem;
    margin-bottom: 0;
    font-family: var(--font-family-mincho);
}
h4, .h4 {
    line-height: 1.275;
    letter-spacing: 0.065rem;
    margin-bottom: 0;
}
h5, .h5 {
    line-height: 1.25;
    letter-spacing: 0.06rem;
    margin-bottom: 0;
}
h6, .h6 {
    line-height: 1.25;
    letter-spacing: 0.055rem;
    margin-bottom: 0;
}
@media (min-width: 768px) {
    h1, .h1 {
        line-height: 2.0;
        letter-spacing: 0.175rem;
    }
    h2, .h2 {
        line-height: 1.8;
        letter-spacing: 0.15rem;
    }
    h3, .h3 {
        line-height: 1.7;
        letter-spacing: 0.14rem;
    }
    h4, .h4 {
        line-height: 1.7;
        letter-spacing: 0.13rem;
    }
    h5, .h5 {
        line-height: 1.66;
        letter-spacing: 0.12rem;
    }
    h6, .h6 {
        line-height: 1.66;
        letter-spacing: 0.11rem;
    }
}

strong {
    color: #d52b1f !important;
}

p {
    margin-bottom: var(--gap-unit);
}

rt {
    /* ルビには基底のフォントを適用 */
    font-family: var(--bs-body-font-family);
    font-weight: normal;
    letter-spacing: initial;
}


/* 改行位置の制御用 */
.ib {
    display: inline-block;
}
br.brsp {
}
br.brpc {
    display: none;
}
@media (min-width: 768px) {
    br.brsp {
        display: none;
    }
    br.brpc {
        display: initial;
    }
}


/* letter-spacing を 0 にして折り返し禁止 */
.ls-0 {
    letter-spacing: 0;
    white-space: nowrap;
}

/* 外部リンク用の装飾 */
.external_link:after {
    content: "↗";
}

/* ナビゲーション */
#g-nav {
    /* position:fixed;にし、z-indexの数値を大きくして前面へ */
    position: fixed;
    z-index: 999;
    /* ナビのスタート位置と形状 */
    top: -10%;
    left: 0;
    width: 100%;
    height: 100vh;

    background-image:
        radial-gradient(at 0% 20% in oklch, rgb(58 59 63), transparent 90%),
        radial-gradient(at 100% 0% in oklch, rgb(19 187 238), transparent 60%),
        linear-gradient(0deg in oklch, rgba(var(--bs-body-color-rgb), 0), rgb(102 48 59) 20%);
    backdrop-filter: blur(0px) saturate(0%);

    /* 動き */
    transition: all ease-in-out var(--transition-duration);
    /* 初期状態非表示・マウスイベントスルー（visibilityあれば不要かも） */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
@media (prefers-reduced-motion: reduce) {
    #g-nav {
        transition: initial;
    }
}


#g-nav.panelactive {
    top: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: initial;
    backdrop-filter: blur(10px) saturate(90%);
}

#g-nav.panelactive #g-nav-list {
    /*ナビの数が増えた場合縦スクロール*/
    position: fixed;
    z-index: 999;
    height: 100%;
    /*表示する高さ*/
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    text-align: start;
}


#g-nav #g-nav-list {
    z-index: 999;
    margin: 0;
    padding: 0;
    width: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
}
#g-nav #g-nav-list > ul {
    padding: 0 2rem;
}
#g-nav li {
    list-style: none;
    text-align: left;
}
#g-nav li a {
    font-size: min(4.5vw, 1.2rem);
    padding: 0.25em;
    color: #fff;
    text-decoration: none;
    display: inline-block;
    text-transform: none;
    letter-spacing: 0.1em;
    position: relative;
    transition: all ease-in-out var(--transition-duration);
    transform-origin: left bottom;
}
@media (min-width: 768px) {
    #g-nav li a {
        font-size: 1.4rem;
        padding: 10px;
    }
}

#g-nav ul ul {
    padding: 0 0 0 1.75rem;
}
#g-nav ul ul li:before {
    content: '◦';
    padding-right: 0.2rem;
    color: #fff;
    font-size: 1.2rem;
}
@media (min-width: 768px) {
    #g-nav ul ul li:before {
        font-size: 1.4rem;
    }
}
#g-nav li.hasimg {
    text-align: center;
    margin-bottom: 1rem;
}
#g-nav li.hasimg a {
    padding-bottom: 1.33rem;
}
#g-nav li.hasimg a img {
    width: 15rem;
    filter: invert(1) brightness(2);
}


#g-nav li a:before {
    content: '';
    position: absolute;
    left: 0.25em;
    bottom: 10px;
    width: 0%;
    height: 1px;
    background: #fff;
    opacity: 0;
    visibility: hidden;
    transition: all ease-out var(--transition-duration-double);
}
#g-nav li.hasimg a:before {
    margin: auto;
    right: 0.25em;
}
@media (any-hover: hover) {
    #g-nav li a:hover {
        transform: scale(1.07);
    }
    #g-nav li a:hover:before {
        visibility: visible;
        width: calc(100% - 0.5em);
        opacity: 0.86;
    }
    #g-nav li.hasimg a:hover {
        transform: scale(1.00);
    }
}





/* header Ξ button */

/* ハンバーガーメニュー */

.openbtn {
    position: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    top: 4vw;
    right: 4vw;
    z-index: 1000;
}

.openbtn1 {
    position: relative;
    cursor: pointer;
    width: 3.5rem;
    height: 3.5rem;
    padding: 0;
    border-width: 1px;
    border-style: solid;
    border-color: var(--bs-border-color);
    background-color: rgba(255, 255, 255, 0.66);
    transition: all var(--transition-duration);
}
.openbtn1:focus-visible {
    /* フォーカス時のアウトラインを表示する */
    outline-width: initial;
    outline-style: auto;
    outline-color: initial;
}
.openbtn1.active {
    background-color: rgba(255, 255, 255, 0.9);
}
@media (any-hover: hover) {
    .openbtn1:hover {
        background-color: rgba(var(--bs-body-color-rgb), 0.33);
    }
    .openbtn1.active:hover {
        background-color: rgba(var(--bs-body-color-rgb), 0.33);
    }
}

/* header × button */

.openbtn1 span {
    display: inline-block;
    transition: all var(--transition-duration);
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    height: 2px;
    border-radius: 2px;
    background-color: var(--bs-body-color);
}

.openbtn1 span:nth-of-type(1) {
    top: calc(27.5%);
    width: 50%;
}

.openbtn1 span:nth-of-type(2) {
    top: calc(50% - 2px / 2);
    width: 50%;
}

.openbtn1 span:nth-of-type(3) {
    top: calc(72.5% - 2px);
    width: 50%;
}

.openbtn1.active span:nth-of-type(1) {
    top: 50%;
    transform: rotate(-45deg);
    width: 72.5%;
}

.openbtn1.active span:nth-of-type(2) {
    opacity: 0;
}

.openbtn1.active span:nth-of-type(3) {
    top: 50%;
    transform: rotate(45deg);
    width: 72.5%;
}


/* ページトップに戻るボタン */
.pagetop {
    position: fixed;
    right: 4vw;
    bottom: 10vw;
    display: flex;
    width: 4rem;
    height: 4rem;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.66);
    text-decoration: none;
    border-width: 1px;
    border-style: solid;
    border-color: var(--bs-border-color);
    padding-top: 1rem;
    transition: var(--transition-duration) ease-in;
    z-index: 900;
}
/* 1px の border のジャギーを軽減する用 */
@media (max-resolution: 2dppx) {
    .pagetop {
        box-shadow: 0 0 0.6px 0.6px #3e333aaa;
    }
}

.pagetop::after {
    content: "";
    border-width: 1px 1px 0 0;
    border-style: solid;
    position: absolute;
    width: 56%;
    transform: rotate(-45deg);
    height: 56%;
    top: 25%;
}

@media (any-hover: hover) {
    .pagetop:hover {
        transform: translateY(4px);
        background-color: rgba(var(--bs-body-color-rgb), 0.33);
    }
}

.is-scrollEnd {
    transform: scale(0) !important;
}


/* 汎用のリンクボタン */
.linkbtn {
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-width: 1px;
    border-style: solid;
    padding: calc(var(--gap-unit) * 2);
    margin: var(--gap-unit);
    text-align: center;
    letter-spacing: 1px;
    background-color: rgba(var(--bs-body-bg-rgb), 1);
    transition: all var(--transition-duration);
}
.linkbtn::after {
    content: "▶";
    font-size: 0.5em;
    margin-left: 1em;
}
.linkbtn::before {
    content: "";
    position: absolute;
    bottom: -0.33em;
    right: calc(-0.33em + 0.5px);
    width: 1.75em;
    height: 1.75em;
    border-width: 0 1px 1px 0;
    border-style: solid;
    transform: translate( 0, 0 );
    animation: linkbtn-before-hover-out ease-in-out forwards var(--transition-duration-double);
}
@media (any-hover: hover) {
    .linkbtn:hover {
        background-color: rgba(var(--bs-body-color-rgb), 0.25);
    }
    .linkbtn:hover:before {
        animation: linkbtn-before-hover-in infinite alternate ease-in-out var(--transition-duration-double);
    }
}
@media (min-width: 768px) {
    .linkbtn {
        padding: var(--gap-unit) calc(var(--gap-unit) * 2);
    }
}
@keyframes linkbtn-before-hover-in {
    0% {
        width: 1.75em;
        height: 1.75em;
    }
    100% {
        width: 2.75em;
        height: 2.75em;
    }
}
@keyframes linkbtn-before-hover-out {
    0% {
        width: 2.75em;
        height: 2.75em;
    }
    100% {
        width: 1.75em;
        height: 1.75em;
    }
}


/* 見出し */
/* 本文中の見出し */
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
    margin-bottom: 0.33em;
    font-weight: bold;
}

/* 派手な背景の見出し */
/* 1行ごとに塗りつぶし。スマホ表示では長いテキストの場合見づらいのでボックス表示 */
h1.strong, .h1.strong,
h2.strong, .h2.strong,
h3.strong, .h3.strong,
h4.strong, .h4.strong {
    line-height: 1.33;
    font-weight: normal;
    font-family: var(--font-family-mincho);
}
h1.strong p, .h1.strong p,
h2.strong p, .h2.strong p,
h3.strong p, .h3.strong p,
h4.strong p, .h4.strong p {
    display: inline-block;
    background: linear-gradient(158deg in oklch, #d71b59dd 60%, #c85711dd);
    color: #fff;
    font-size: 72.5%;
    text-align: start;
    text-indent: -3.1em;
    padding: var(--gap-unit) var(--gap-unit) var(--gap-unit) 3.8em;
    word-break: keep-all;
    /* word-break: auto-phrase; */  /* auto-phrase が使えるのは Chrome, Edge のみなので使用を避ける */
}
@media (min-width: 768px) {
    h1.strong, .h1.strong,
    h2.strong, .h2.strong,
    h3.strong, .h3.strong,
    h4.strong, .h4.strong {
        text-indent: -1.8em;
        padding-left: 1.8em;
    }

    h1.strong p, .h1.strong p,
    h2.strong p, .h2.strong p,
    h3.strong p, .h3.strong p,
    h4.strong p, .h4.strong p {
        display: inline;
        text-indent: initial;
        padding: 0.125em var(--gap-unit);
        -webkit-box-decoration-break: clone;   /* ブラウザ幅のなりゆきでテキストの折り返しが行われた場合でも、断片化された行すべてに padding 等のプロパティを適用する（これが無いと、折り返しされた2行目以降には padding が付かない） */
        box-decoration-break: clone;
    }
}


/* 下線を付けた見出し */
h1.underline, .h1.underline,
h2.underline, .h2.underline,
h3.underline, .h3.underline,
h4.underline, .h4.underline,
h5.underline, .h5.underline,
h6.underline, .h6.underline {
    position: relative;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    padding-left: var(--gap-unit);
    padding-right: var(--gap-unit);
    padding-bottom: 0.125em;
    margin-bottom: 1em;
    text-align: center;
}
h3.underline, .h3.underline,
h4.underline, .h4.underline,
h5.underline, .h5.underline,
h6.underline, .h6.underline {
    font-weight: normal;
}
h1.underline:before, .h1.underline:before,
h2.underline:before, .h2.underline:before,
h3.underline:before, .h3.underline:before,
h4.underline:before, .h4.underline:before,
h5.underline:before, .h5.underline:before,
h6.underline:before, .h6.underline:before {
    content: "";
    border-bottom-width: 1px;
    border-bottom-style: solid;
    position: absolute;
    bottom: -0.25em;
    right: 0;
    width: 61.8%;
}
/* 見出しに背景画像を付ける */
/* 背景画像を付けたい場合のみ、個別に background-image を指定する */
/* background-image: url("https://placehold.jp/600x600.png"); */
/* 今回の使用は見送り
h1.underline:after, .h1.underline:after,
h2.underline:after, .h2.underline:after,
h3.underline:after, .h3.underline:after,
h4.underline:after, .h4.underline:after,
h5.underline:after, .h5.underline:after,
h6.underline:after, .h6.underline:after {
    content: "";
    position: absolute;
    top: -1.5em;
    right: 0;
    width: 100%;
    height: 5em;
    z-index: -1;
    background-repeat: no-repeat;
    background-size: 5em;
    background-position: 90% center;
}
*/
/* ルビを線の下に表示する、というのが、iPhone Safari では再現できなかった。
　ruby rt に position: absolute; を指定したときの位置が、Chrome系と異なり、bottom: や left: で位置調整できない。
　（ruby に grid か flex を用いた場合のみ、Chrome系と同じレイアウトになる） */


/* ボックス */
/* 見出し＋枠線のボックス
  border-image で枠線の一部に切れ目を入れて、:after で余計に切れた箇所を補う */
/* border-image の代わりに、clip-path で表現できないか？ */
.titlebox {
	border-image: linear-gradient(90deg, rgba(var(--bs-body-color-rgb), 1) var(--title-left), transparent var(--title-left), transparent calc(var(--title-left) + var(--title-width)), rgba(var(--bs-body-color-rgb), 1) calc(var(--title-left) + var(--title-width))) 1;
    position: relative;
    margin-top: calc( 1rem + var(--gap-unit) );
    padding: calc( 1rem + var(--gap-unit) * 2) calc(var(--gap-unit) * 2) var(--gap-unit);
    border-width: var(--border-width);
    border-style: solid;
    --title-width: 12rem;
    --title-left: 2rem;
	--border-width: 1px;
}
@media (min-width: 768px) {
    .titlebox {
        padding: calc( 1rem + var(--gap-unit)) var(--gap-unit) var(--gap-unit);
    }
}

.titlebox:after {
    content: "";
    position: absolute;
    border-bottom: calc(var(--border-width) + 1px) solid #000f;
    top: calc(-1 * var(--border-width));
    left: calc(-1 * var(--border-width));
    right: calc(-1 * var(--border-width));
    bottom: calc(-1 * var(--border-width));
    margin: auto;
    z-index: -1;
}
.titlebox h3, .titlebox h4, .titlebox h5 {
    position: absolute;
    left: var(--title-left);
    width: var(--title-width);
    top: -0.5rem;
    line-height: 1;
    text-align: center;
}


/* 本文 */
.content p {
    text-align: justify;
}



/* リスト */
.content dl {

}
.content dl dt {

}
.content dl dt:before {
    content: "● ";
}
.content dl dd {
    margin-left: 1.125em;
    margin-bottom: 1rem;
}
.content dl dl {

}
.content dl dl dt {

}
.content dl dl dt:before {
    content: "▸ ";
}
.content dl dl dd {
    margin-bottom: 0.66rem;
}
.content dl ul,
.content dl ol {
    padding-left: 1.125em;
}


/* 見出しやボタンの中のアイコン */
.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    margin-right: 0.5em;
}
.linkbtn .icon {
    width: 1.33em;
    height: 1.33em;
}


/* 画像複数載せる枠 */
.gallery {
    display: flex;
    margin-bottom: calc(var(--gap-unit) * 2);
}
.gallery img {
    flex: 1 1 auto;
    min-width: 0;
    object-fit: cover;
}
/* 画像を横に並べる列数 */
.gallery.gallery-1col,
.gallery.gallery-2col,
.gallery.gallery-3col {
    flex-wrap: wrap;
}
.gallery.gallery-1col img {
    flex: 1 0 100%;
}
.gallery.gallery-2col img {
    flex: 1 0 calc(100% / 2);
}
.gallery.gallery-3col img {
    flex: 1 0 calc(100% / 3);
}
@media (max-width: 767.98px) {
    .gallery.gallery-1col-sp,
    .gallery.gallery-2col-sp,
    .gallery.gallery-3col-sp {
        flex-wrap: wrap;
    }
    .gallery.gallery-1col-sp img {
        flex: 1 0 100%;
    }
    .gallery.gallery-2col-sp img {
        flex: 1 0 calc(100% / 2);
    }
    .gallery.gallery-3col-sp img {
        flex: 1 0 calc(100% / 3);
    }
}
/* 画像を表示する際のアスペクト比 */
.gallery.gallery-ratio-1x1 img {
    aspect-ratio: 1 / 1;
}
.gallery.gallery-ratio-4x3 img {
    aspect-ratio: 4 / 3;
}
.gallery.gallery-ratio-16x9 img {
    aspect-ratio: 16 / 9;
}

/* .gallery や figure 直前の p */
p:has(+ .gallery),
p:has(+ figure) {
    margin-bottom: 0.25em;
}



/* ---------------- */

/* 個別のボックスのスタイル */

/* 基本のセクション */
section {
    margin: calc(var(--gap-unit) * 4) 0;
}
section section {
    margin: calc(var(--gap-unit) * 3) calc(var(--gap-unit) * 2);
}
section section section {
    margin: 0 var(--gap-unit) var(--gap-unit);
}
@media (min-width: 768px) {
    section {
        margin: calc(var(--gap-unit) * 2) 0;
    }
    section section {
        margin: var(--gap-unit);
    }
}

section figure {
    margin-bottom: calc(var(--gap-unit) * 2);
}
section figure figcaption {
    text-align: center;
}


/* ヘッダー */
/* 各施設ページだけ、ロゴ画像位置調整＋スマホ時に色を白に */
header .logo {
    position: absolute;
    top: calc(var(--gap-unit) * 2);
    left: var(--gap-unit);
    width: 25%;
    z-index: 2;
}
body.onsenpage header .logo {
    top: calc(var(--gap-unit) * 4);
    left: calc(var(--gap-unit) * 3);
}
@media (min-width: 768px) {
    body.onsenpage header .logo {
        top: var(--gap-unit);
        left: 0;
    }
}
header .logo a {
    display: flex;
    justify-content: center;
    align-items: center;
}
header .logo img {
    width: 61.8%;
    display: block;
    filter: drop-shadow(0 0.5rem 0.5rem #fff);
    transition: opacity ease-in-out var(--transition-duration);
}
body.onsenpage header .logo img {
    filter: invert(1) brightness(2);
}
@media (min-width: 768px) {
    body.onsenpage header .logo img {
        filter: none;
    }
}


/* メイン */
.main {
}

/* ビジュアル */
.visual {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 0;
    position: relative;
}
@media (min-width: 768px) {
    .visual {
        grid-template-columns: 1fr 3fr;
    }
}
.visual:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    background: radial-gradient(at 100vw 150vh, transparent 75%, rgba(var(--bs-body-color-rgb), 0.75));
}
@media (min-width: 768px) {
    .visual:before {
        background: none;
    }
}
@media (min-width: 768px) {
    .visual:after {
        content: "";
        position: absolute;
        z-index: -2;
        width: 75%;
        height: 100vmax;
        background-image: url( "../images/bg_water.webp" );
        background-repeat: no-repeat;
        background-size: contain;
        top: 55%;
        left: -20%;
        mix-blend-mode: multiply;
        opacity: 0.66;
    }
}
.visual h1 {
    margin: calc(var(--gap-unit) * 8) calc(var(--gap-unit) * 3) 0;
    display: flex;
    justify-content: start;
    align-items: start;
    flex-direction: row;
    line-height: 1;
    grid-area: 1 / 1 / 2 / 2;
    z-index: 2;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.29), -2px -2px 4px rgba(0, 0, 0, 0.11), 2px -2px 4px rgba(0, 0, 0, 0.11), -2px 2px 4px rgba(0, 0, 0, 0.11);
}
@media (min-width: 768px) {
    .visual h1 {
        margin: calc(var(--gap-unit) * 5) calc(var(--gap-unit) * 2) 0;
        grid-area: 1 / 1 / 2 / 2;
        justify-content: center;
        align-items: start;
        color: inherit;
        text-shadow: initial;
    }
}
.visual h1 ruby {
    display: grid;
    grid-template-columns: 1.33fr 1fr;
    gap: var(--gap-unit);
    min-height: 75%;
    position: relative;
}
.visual h1 ruby:before {
    content: "";
    border-width: 0 1px 0 0;
    border-style: solid;
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc( 58.25% - 0.25rem );
}
.visual h1 ruby:after {
    content: "";
    border-width: 0 0 0 1px;
    border-style: solid;
    position: absolute;
    top: 0;
    bottom: 50%;
    left: calc( 58.25% + 0.25rem );
}
.visual h1 ruby .onsenname {
    writing-mode: vertical-rl;
    display: flex;
    align-items: center;
    grid-area: 1 / 2 / 2 / 3;
    font-size: 90%;
    padding-top: calc(var(--gap-unit) / 2);
}
.visual h1 ruby .compname {
    writing-mode: vertical-rl;
    display: flex;
    align-items: center;
    grid-area: 1 / 1 / 2 / 2;
    font-size: 200%;
    letter-spacing: 0.35rem;
    padding-top: calc(var(--gap-unit) / 2);
}
.visual h1 ruby rt {
    writing-mode: vertical-lr;
    display: flex;
    justify-content: end;
    align-items: start;
    grid-area: 1 / 2 / 2 / 3;
    font-size: 33.3%;
    letter-spacing: 0.125rem;
    padding-bottom: calc(var(--gap-unit) / 2);
}

.visual .topimg {
    display: grid;
    height: 100svmax;
    grid-area: 1 / 1 / 2 / 2;
}
@media (min-width: 768px) {
    .visual .topimg {
        grid-area: 1 / 2 / 2 / 3;
    }
}
@media (min-height: 768px) {
    .visual .topimg {
        height: 100svh;
    }
}
@media (max-width: 767.98px) and (orientation: landscape) {
    .visual .topimg {
        height: 100svmax;
    }
}

.visual .topimg > * {
    /* SimpleParallax を使うと、img は div で包まれる */
    grid-area: 1 / 1 / 2 / 2;
    z-index: -1;
}
.visual .topimg > img {
    /* OS・スマホ側で、アニメーション効果を減らす設定が働いている場合は、SimpleParallax は実行されず、img を div で包む処理も行われないので、別途対策が必要 */
    overflow: hidden;
}
.visual .topimg img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}
.visual .topimg > h4 {
    grid-area: 1 / 1 / 2 / 2;
    z-index: 1;
    display: flex;
    align-items: end;
    justify-content: end;
    padding: var(--gap-unit) var(--gap-unit) var(--gap-unit) 33.3vw;
    background: linear-gradient(-45deg, rgba(var(--bs-body-color-rgb), 0.5), transparent 25%);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.29), -2px -2px 4px rgba(0, 0, 0, 0.11), 2px -2px 4px rgba(0, 0, 0, 0.11), -2px 2px 4px rgba(0, 0, 0, 0.11);
}
@media (min-width: 768px) {
    .visual .topimg > h4 {
        align-items: end;
        justify-content: start;
        padding: var(--gap-unit);
        background: linear-gradient(45deg, rgba(var(--bs-body-color-rgb), 0.5), transparent 25%);
        text-shadow: initial;
    }
}
@media (max-width: 767.98px) {
    .visual .topimg > h4 {
        font-size: min(5.25vmin, 22px);
    }
}

/* トップ画像 */
.topimg {
    font-family: var(--font-family-mincho);
    color: #fff;
}


/* リード文欄 */
.lead {
    font-size: 1rem;
    font-weight: inherit;
    display: grid;
    gap: var(--gap-unit);
    justify-items: center;
    margin-left: calc(var(--gap-unit) * 2);
    margin-right: calc(var(--gap-unit) * 2);
}
@media (max-width: 767.98px) {
    /* スマホ表示では1行ごとに塗りつぶしが分離すると、長いテキストの場合見づらいので、ボックス表示に変える */
    .lead {
    }
    .lead > h2 {
        padding: 0;
        text-indent: 0;
    }
    .lead > h2 > p {
        display: block;
        text-indent: -3.1em;
        padding-left: 3.8em;
        padding-top: var(--gap-unit);
        padding-bottom: var(--gap-unit);
    }
}
.lead > p {
    margin: calc(var(--gap-unit) / 2) var(--gap-unit) 0;
    line-height: calc(var(--bs-body-line-height) * 1.2 );
}
.lead .linkbtn {
    width: max(75%, 16.6em);
}

/* コンテンツ枠 */
.content {

}

/* メインコンテンツ枠 */
.content.maincontent {
    padding-left: var(--gap-unit);
    padding-right: var(--gap-unit);
}
.main > .content.maincontent:first-child {
    margin-top: 0;
    padding-top: calc(var(--gap-unit) * 6);
}
@media (min-width: 768px) {
    .main > .content.maincontent:first-child {
        margin-top: 0;
        padding-top: calc(var(--gap-unit) * 4);
    }

    /* 各施設ページは2カラム表示 */
    body.onsenpage .content.maincontent {
        column-count: 2;
        column-gap: 0;
        padding-top: var(--gap-unit);
    }
    body.onsenpage .content.maincontent section {
        /* width: calc(50% - var(--gap-unit) * 2); */
        page-break-inside: avoid;
        break-inside: avoid;
        margin-top: 0;
    }
}

/* サブコンテンツ枠 */
.content.subcontent {

}
@media (min-width: 768px) {
    .content.subcontent {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}

/* googlemap */
section.content.googlemap iframe {
    width: 100%;
    height: 38.2svmax;
}
div.content.googlemap iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
}

/* 下部ナビ欄 */
.bottomnavigation {
    position: relative;
    font-family: var(--font-family-mincho);
    margin-top: calc(var(--gap-unit) * 6);
    margin-bottom: calc(var(--gap-unit) * 6);
}
.bottomnavigation:before {
    /* 区切りの線 */
    content: "";
    position: absolute;
    border-width: 1px 0;
    border-style: solid;
    top: calc(var(--gap-unit) * -3 );
    width: 50%;
    height: 0.5rem;
    left: 0;
    right: 0;
    margin: auto;
    clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%);
}
.bottomnavigation:after {
    /* 背景画像 */
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: -3;
    background-image: url( "../images/bg_blue.webp" );
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    mix-blend-mode: multiply;
    opacity: 0.8;
}
.bottomnavigation ul {
    color: #fff;
    margin: calc(var(--gap-unit) * 3) 0;
    padding: 0;
    display: flex;
    flex-flow: row wrap;
    row-gap: calc(var(--gap-unit) * 3);
}
.bottomnavigation ul li {
    list-style: none;
    width: calc(100% / 2);
    font-size: 0.86rem;
}
@media (min-width: 768px) {
    .bottomnavigation ul li {
        width: calc(100% / 3);
        font-size: 1rem;
    }
}
.bottomnavigation ul + ul li {
    width: calc(100% / 2);
}
.bottomnavigation ul li a {
    display: grid;
    align-items: end;
    justify-items: end;
    position: relative;
}
.bottomnavigation ul li a:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    background: linear-gradient(-17.5deg, rgba(var(--bs-body-color-rgb), 0.8), transparent 33.3%);
    z-index: -1;
}
.bottomnavigation ul li a > img {
    grid-area: 1 / 1 / 2 / 2;
    width: 100%;
    z-index: -2;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}
.bottomnavigation ul + ul li a > img {
    aspect-ratio: 6 / 3;
}
.bottomnavigation ul li a > span {
    grid-area: 1 / 1 / 2 / 2;
    font-size: 1.33em;
    padding: calc(var(--gap-unit) / 2) calc(var(--gap-unit) / 4);
    line-height: 1.25;
    z-index: 1;
}
.bottomnavigation ul li a > span:after {
    content: "▸";
    margin: 0 0.25em;
}
.bottomnavigation .onsenname {
    font-weight: normal;
    font-size: 61.8%;
}


/* フッター */
footer {
    display: grid;
    padding: calc(var(--gap-unit) * 6) calc(var(--gap-unit) * 2) calc(var(--gap-unit) * 2);
    color: #fff;
    font-size: 80%;
    align-items: center;
    justify-content: space-around;
    grid-template-columns: 0.5fr 1fr;
    position: relative;
}
@media (min-width: 768px) {
    footer {
        padding-top: calc(var(--gap-unit) * 4);
        grid-template-columns: 0.6fr 1fr 1fr;
    }
}
footer::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: -1;
    background-image: url( "../images/bg_water_footer.webp" );
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center right;
    mix-blend-mode: overlay;
    opacity: 0.75;
}
footer::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: -2;
    background-image:url( "../images/bg_footer.webp" ), linear-gradient(transparent 25%, #402b3d 25%, #402b3d);  /* svg画像を背景に使用したら、画像の繰り返しの間に1pxの隙間ができることがあったので、webp画像を使用 */
    background-repeat: repeat-x, repeat;
    background-size: contain, cover;
    background-position: center top, center top;
}
footer > a {
    display: flex;
    justify-content: center;
    align-items: center;
}
footer > a > img {
    width: clamp(6rem, 12.5vw, 12rem);
    mix-blend-mode: screen;
}
footer > ul {
    margin: var(--gap-unit) auto;
}
@media (min-width: 768px) {
    footer > ul {
        margin: 0 auto 0 var(--gap-unit);
    }
}
footer > ul > li {
    margin: calc(var(--gap-unit) / 2) 0;
    list-style-type: "▸ ";
}
footer > ul > li li {
    list-style-type: "◦ ";
}
footer > section {
    display: flex;
    flex-flow: column nowrap;
    grid-area: 2 / 1 / 3 / 3;
}
@media (min-width: 768px) {
    footer > section {
        grid-area: initial;
    }
}
footer > section h2 {
    border-bottom: 1px solid #fff;
    font-weight: bold;
    display: inline-block;
    text-align: center;
    white-space: nowrap;
    margin-bottom: var(--gap-unit) !important;
}
footer > section address {
    margin-bottom: var(--gap-unit);
    text-align: center;
}
@media (min-width: 768px) {
    footer > section address {
        text-align: right;
    }
}
footer > section .copyright {
    margin-bottom: 0;
    text-align: center;
}
@media (min-width: 768px) {
    footer > section .copyright {
        text-align: right;
    }
}



/* 周辺観光マップ・周辺グルメマップ ページ用 */
body.mappage .map {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    margin-top: 0;
    margin-bottom: calc(var(--gap-unit) * 5);
    position: relative;
}
body.mappage .map > img {
    grid-area: 1 / 1 / 3 / 3;
    box-shadow: 0 0 calc(var(--gap-unit) * 2) #fff;
    object-fit: initial;
    width: calc(100% - var(--gap-unit) * 2);
    height: auto;
    margin: calc(var(--gap-unit) * 2) var(--gap-unit) 0;
}

body.mappage .map > h1 {
    grid-area: 2 / 1 / 3 / 2;
    display: grid;
}
body.mappage .map > h1 img {
    width: 61.8%;
    place-self: center;
    position: relative;
    top: calc(var(--gap-unit) * 2);
    left: calc(var(--gap-unit) * 2);
    z-index: 1;
}

body.mappage .main > .lead {
    position: relative;
    margin-bottom: calc(var(--gap-unit) * 3);
}
body.mappage .main > .lead:after {
    content: "";
    position: absolute;
    top: -50%;
    bottom: -50%;
    left: 0;
    right: 0;
    z-index: -1;
    background-image: url( "../images/bg_blue.webp" );
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    opacity: 0.4;
    pointer-events: none;
}



.content-spot {
    display: grid;
    gap: var(--gap-unit);
    margin-bottom: calc(var(--gap-unit) * 2);
}
.content-spot .no {
	display: block;
    color: #12a32b;
    font-family: var(--font-family-mincho);
    font-weight: bold;
    font-size: 3rem;
    margin: 0 calc(var(--gap-unit) / 2) 0.33em;
    line-height: 1;
}
.content-spot > h3.underline ruby rt {
    font-size: 0.4em;
    padding-bottom: 0.15em;
}
.content-spot > .lead {
    margin: 0;
}
.content-spot .lead > p {
    margin-top: 0;
}
.content-spot > .titlebox {
    margin: var(--gap-unit) 0 0;
}
.content-spot > .figures {
    margin-top: var(--gap-unit);
    display: grid;
    justify-items: center;
    align-content: start;
}
.content-spot .figures figure {
    margin-bottom: var(--gap-unit);
}
.content-spot .figures .gallery {
    margin-bottom: 0;
}
.content-spot .linkbtn {
    width: max(75%, 16.6em);
    align-self: start;
}

@media (min-width: 768px) {
    .content-spot {
        grid-template-columns: 0.618fr 1fr;
        grid-template-areas:
            "h h"
            "lead lead"
            "titlebox figures";
    }
    .content-spot > h3.underline {
        grid-area: h;
        place-self: center;
        min-width: 75%;
    }
    .content-spot > .lead {
        grid-area: lead;
    }
    .content-spot > .titlebox {
        grid-area: titlebox;
        margin-left: var(--gap-unit);
    }
    .content-spot > .figures {
        grid-area: figures;
    }
    .content-spot .linkbtn {
        margin-bottom: 0;
    }
}

.content-spot .googlemap {
    margin-top: var(--gap-unit);
}



.content-booklets {
    display: grid;
    gap: var(--gap-unit);
    margin-bottom: calc(var(--gap-unit) * 4);
}

.content-booklet {
    margin-bottom: calc(var(--gap-unit) * 4);
}
.content-booklet .h1 {
    margin-bottom: 0.33em;
}
.content-booklet time {
    display: block;
    font-size: 1rem;
    text-align: right;
    padding-right: 1rem;
}
.content-booklet .ebook {
    margin: var(--gap-unit) auto;
    background: #f2f1f0;
    width: 100%;
    max-height: calc(100svh - var(--gap-unit) * 2);
    aspect-ratio: 210 / 297;
    border-radius: calc(var(--gap-unit) / 2);
    overflow: hidden;
}
@media (min-width: 768px) {
    .content-booklet .ebook {
        width: 86.6%;
        aspect-ratio: 420 / 297;
    }
}
.content-booklet .ebook iframe {
    width: 100%;
    height: 100%;
}