* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    letter-spacing: 0.1em;
}

html,
body {
    height: 100%;
}

body {
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-weight: 300;
    line-height: 1.6;
    overflow: hidden;
}

h2,
h3,
h4 {
    font-weight: 500;
}

.snap-container {
    height: 100svh;
    height: 100dvh;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: y mandatory;
}

.snap-container.is-scrolling {
    scroll-snap-type: none !important;
}

.video-wrap {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    position: relative;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.top-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    filter: brightness(85%);
}

body.video-bg .top-video {
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
}

body.video-bg .news-wrap,
body.video-bg .access-wrap,
body.video-bg .announce-wrap {
    background: transparent !important;
}

body.video-bg .news-wrap::before,
body.video-bg .access-wrap::before,
body.video-bg .announce-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(250, 248, 244, 0.82);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 0;
}

body.video-bg .news-container,
body.video-bg .access-container,
body.video-bg .announce,
body.video-bg footer {
    position: relative;
    z-index: 1;
}

.video-wrap::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.10);
    z-index: 1;
}

.site-logo {
    height: 200px;
    width: auto;
    display: block;
}

@media (min-width: 768px) {
    .site-logo {
        height: 400px;
    }
}

.site-header nav {
    position: relative;
}

.nav-toggle {
    font-size: 30px;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    display: block;
}

.nav-menu {
    flex-direction: column;
    gap: 12px;
    background: rgba(0, 0, 0, 0.9);
    padding: 20px;
    position: absolute;
    top: 60px;
    right: 0;
    width: 140px;
    list-style: none;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 10px 0;
}

.nav-menu a.current {
    position: relative;
    z-index: 1;
}

.nav-menu a.current::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% + 15px);
    height: 90%;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    z-index: -1;
    pointer-events: none;
}

.nav-menu a:hover::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% + 25px);
    height: 120%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    z-index: -1;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
        position: static;
        flex-direction: row;
        gap: 24px;
        background: none;
        width: 455px;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-menu a.current {
        border-bottom: none;
    }

    .site-header nav ul {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        list-style: none;
        gap: 40px;
        margin: 0;
        padding: 0;
    }

    .site-header nav ul li a {
        position: relative;
        display: inline-block;
        text-decoration: none;
        color: white;
        font-size: 14px;
        letter-spacing: 0.05em;
        line-height: 1;
        padding: 6px 10px;
        transition: background 0.3s ease;
    }

    .nav-menu a.current {
        position: relative;
        z-index: 1;
    }

    .nav-menu a.current::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: calc(100%);
        height: 120%;
        background: rgba(255, 255, 255, 0.25);
        border-radius: 4px;
        z-index: -1;
        pointer-events: none;
    }

    .nav-menu a:hover::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: calc(100% + 10px);
        height: 150%;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 4px;
        z-index: -1;
    }
}

.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    display: flex;
    justify-content: flex-end;
    color: white;
    padding: 18px 40px 0 26px;
}

.site-header a {
    margin-right: auto;
}

.site-header nav ul {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    list-style: none;
    gap: 40px;
}

.site-header nav ul li {
    position: relative;
    text-align: center;
}

.site-header nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 14px;
    letter-spacing: 0.05em;
    line-height: 1;
}

.site-header nav ul li+li::before {
    content: "";
    position: absolute;
    left: -20px;
    top: 50%;
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, 0.7);
    transform: translateY(-50%);
    display: none;
}

@media (max-width: 767px) {
    .site-header {
        padding: 20px 20px 0 20px;
    }

    .site-header nav ul {
        gap: 20px;
    }

    .site-header nav ul li {
        margin-right: 0;
        font-size: 12px;
    }

    .site-header nav ul li+li::before {
        display: none;
    }
}

.concept {
    position: absolute;
    right: 32px;
    bottom: 36px;
    z-index: 2;
    max-width: 520px;
    color: rgba(255, 255, 255, 0.92);
    pointer-events: none;
    isolation: isolate;
}

.concept::before {
    content: "";
    position: absolute;
    top: -24px;
    left: -32px;
    right: -100vw;
    bottom: -100vh;
    z-index: -1;
    background:
        linear-gradient(270deg,
            rgba(0, 0, 0, .45) 0%,
            rgba(0, 0, 0, .22) 55%,
            rgba(0, 0, 0, 0) 100%),
        linear-gradient(0deg,
            rgba(0, 0, 0, .35) 0%,
            rgba(0, 0, 0, 0) 60%);
}

.concept-lead {
    font-size: 16px;
    line-height: 1.9;
    letter-spacing: .07em;
    margin-top: 8px;
    margin-bottom: 26px;
    text-align: right;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}

.concept-body {
    font-size: 13px;
    line-height: 2.05;
    letter-spacing: .06em;
    opacity: .95;
    text-align: justify;
    text-align-last: right;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}

@media (min-width:768px) {
    .concept {
        right: 48px;
        bottom: 48px;
        max-width: 560px;
    }

    .concept::before {
        left: -40px;
        top: -28px;

        background:
            linear-gradient(270deg,
                rgba(0, 0, 0, .52) 0%,
                rgba(0, 0, 0, .24) 58%,
                rgba(0, 0, 0, 0) 100%),
            linear-gradient(0deg,
                rgba(0, 0, 0, .40) 0%,
                rgba(0, 0, 0, 0) 62%);
    }

    .concept-lead {
        font-size: 18px;
    }

    .concept-body {
        font-size: 14px;
    }
}

@media (max-width:600px) {
    .concept {
        right: 16px;
        bottom: 10vh;
        max-width: 86vw;
    }

    .concept-lead {
        font-size: 14px;
        margin-top: 10px;
        text-align: right;
    }

    .concept-body {
        font-size: 12px;
        line-height: 1.95;
        text-align: right;
        text-align-last: auto;
    }
}

@supports (-webkit-touch-callout: none) {
    .concept-body {
        word-break: normal;
    }
}

.top-wrap {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background: url("images/main-menu.png") center / cover no-repeat;
    background-size: cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

@media (min-width: 768px) {
    .top-wrap {
        position: relative;
        overflow: hidden;
        background: none !important;
    }

    .top-wrap::before {
        content: "";
        position: absolute;
        inset: -40px;
        background: url("images/main-menu.jpg") center / cover no-repeat;
        transform: translateY(-20px);
        z-index: 0;
    }

    .top-wrap-inner {
        position: relative;
        z-index: 1;
        transform: translateY(-40px);
    }
}

@media (min-width: 1280px) {
    .top-wrap {
        position: relative;
        overflow: hidden;
        background: none !important;
    }

    .top-wrap::before {
        content: "";
        position: absolute;
        inset: -40px;
        background: url("images/main-menu.jpg") center / cover no-repeat;
        transform: translateY(-10px);
        z-index: 0;
    }

    .top-wrap-inner {
        position: relative;
        z-index: 1;
        transform: translateY(-60px);
    }
}


@media (max-width: 600px) {
    .top-wrap {
        background-image: url("images/main-menu-iPhone.jpg");
        background-position: center center;
        background-size: cover;
    }
}

.image-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 10;
}

.image-container img {
    display: block;
    width: 100%;
    height: auto;
    position: relative;
    z-index: 1;
}

.hero {
    position: relative;
    width: 100%;
    height: 60vh;
}

.hero img {
    width: auto;
    height: 50vh;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.hero-guide {
    display: none;
}

@media (max-width: 767px) {
    .hero {
        position: relative;
        width: 100%;
        height: 40vh;
    }

    .hero img {
        width: 100%;
        height: auto;
        display: block;
    }

    .hero {
        position: relative;
    }

    .hero-guide {
        display: block;
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        font-size: 12px;
        letter-spacing: 0.12em;
        color: #fff;
        opacity: 0.9;
        z-index: 40;
        pointer-events: none;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    }
}

@media (max-width: 767px) {
    .hero-guide {
        display: none;
    }
}

.features {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 50px;
    color: white;
    width: 100%;
    max-width: 80%;
    z-index: 5;
}

.feature {
    text-align: center;
    flex: 1;
}

.feature h2 {
    font-size: 15px;
    margin: 0 auto 10px;
}

.feature p {
    font-size: 13px;
}

@media (max-width: 767px) {
    .features {
        display: none;
    }

    .hotspot {
        display: block;
    }
}

.hotspot {
    -webkit-tap-highlight-color: transparent;
    position: absolute;
    top: 20%;
    width: 30%;
    height: 35%;
    cursor: pointer;
    z-index: 30;
}

.hotspot::before {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateY(-60px);
    pointer-events: auto;
}

.hotspot.left {
    left: 0;
}

.hotspot.center {
    left: 35%;
}

.hotspot.right {
    right: 0;
}

@media (min-width: 768px) {
    .hotspot {
        display: none;
    }
}

.tap-guide {
    position: absolute;
    left: 50%;
    bottom: 35px;
    transform: translateX(-50%);
    color: #fff;
    padding: 4px 16px;
    font-size: 14px;
    opacity: 0.9;
    z-index: 10;
    transition: opacity 0.5s ease;
    width: 100vw;
    text-align: center;
    font-family: "Noto Serif JP", "Yu Mincho", serif;
}

.tap-guide.hide {
    opacity: 0;
    pointer-events: none;
}

.tap-guide {
    display: none;
}

@media (min-width: 768px) {
    .tap-guide {
        display: none;
    }
}

.popup-area {
    display: none;
    color: white;
    padding: 30px;
    min-height: 120px;
    text-align: center;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 999;
}

.popup-area h4 {
    margin: 0 0 10px;
    font-size: 14px;
    font-weight: 500;
}

.popup-area p {
    margin: 0;
    font-size: 12px;
    line-height: 1.6;
    text-align: justify;
}

@media (min-width: 768px) {
    .popup-area {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .popup-area {
        bottom: -20px;
    }

    .features {
        flex-direction: column;
        align-items: left;
        gap: 30px;
    }

    .feature {
        text-align: left;
        max-width: 90%;
    }

    .feature h2 {
        font-size: 16px;
        margin: 0 auto 8px;
    }

    .feature p {
        font-size: 14px;
    }
}

.top-wrap {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background-color: #f8f8f8;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.top-wrap .about {
    max-width: 90%;
    margin: 40px auto;
}

.top-wrap .slider,
.top-wrap .mobile-slider {
    width: 90%;
    margin: 0 auto;
}

.about {
    font-size: 14px;
    line-height: 250%;
    text-align: justify;
    text-align-last: center;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 767px) {
    .about {
        font-size: 13px;
    }
}

.slider {
    position: relative;
    overflow: hidden;
    width: 70% !important;
    margin: auto;
    --gap: 2px;
}

.slides {
    display: flex;
    gap: var(--gap);
    padding: 0 calc(var(--gap) / 2);
}

.slides img {
    width: 100%;
    flex-shrink: 0;
}

.slide {
    flex: 0 0 calc((100% - (var(--gap) * 4)) / 5);
    text-align: center;
    opacity: 0.5;
    transform: scale(0.9);
    transition: opacity 0.3s, transform 0.3s;
}

.slide.active {
    opacity: 1;
    transform: scale(1);
}

.slide.semi-active {
    opacity: 0.7;
    transform: scale(0.9);
}

.slide img {
    width: 75%;
    height: auto;
    border-radius: 6px;
}

.mobile-slider {
    display: none;
}

@media (max-width: 767px) {
    .slides {
        display: none;
    }

    .indicator-bar-wrap {
        display: none;
    }

    .slider {
        width: 100%;
        overflow: hidden;
    }

    .mobile-slider {
        display: block;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding-top: 0;
        overscroll-behavior-x: contain;
        --overlay-hide: 18px;
        padding-bottom: calc(40px + var(--overlay-hide));
        margin-bottom: calc(-1 * var(--overlay-hide));
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .mobile-slider.allow-vertical {
        overflow-x: hidden;
    }
}

.mobile-slider::-webkit-scrollbar {
    display: none;
}

.mobile-slides {
    display: flex;
    gap: 10px;
    padding: 0;
}

.mobile-slide {
    flex: 0 0 50%;
    scroll-snap-align: center;
    display: flex;
    justify-content: center;
    opacity: 0.6;
    transform: scale(0.7);
}

.mobile-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.mobile-slide img {
    width: 80%;
    height: auto;
    border-radius: 6px;
}

.mobile-slide.dummy {
    flex: 0 0 calc(25% - 20px);
    pointer-events: none;
    opacity: 0;
    transform: none;
}

@media (max-width: 767px) {
    .mobile-slides {
        gap: 0;
        padding: 0 4px;
    }

    .mobile-slide {
        flex: 0 0 50%;
    }
}

button.prev,
button.next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    padding: 0;
}

button.prev svg,
button.next svg {
    width: 18px;
    height: 18px;
    fill: #333;
}

button.prev {
    left: 45px;
    z-index: 5;
}

button.next {
    right: 45px;
    z-index: 5;
}

@media (max-width: 767px) {

    .slider button.prev,
    .slider button.next {
        display: none;
    }
}

.indicator-bar-wrap {
    padding-bottom: 60px;
}

.indicator-bar {
    position: relative;
    width: 25%;
    max-width: 200px;
    height: 3px;
    background: #bbb;
    margin: 30px auto 0;
    border-radius: 9999px;
}

.indicator-bar .track {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: #333;
    border-radius: inherit;
    transition: width 0.3s;
}

.indicator-bar .thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 12px;
    height: 12px;
    background: #333;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: left 0.3s;
}

.news-wrap {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background: #f2f3f3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-container {
    width: 90%;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 30px;
}

.news-title {
    text-align: center;
    font-size: 26px;
    margin-bottom: 60px;
    letter-spacing: 0.15em;
}

.news-list {
    list-style: none;
    border-top: 1px solid;
    border-color: rgba(35, 30, 25, 0.35);
    overflow-y: scroll;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: #aaa transparent;
    box-sizing: content-box;
    padding-bottom: 10px;
}

.news-item {
    display: grid;
    grid-template-columns: 90px 90px 1fr;
    align-items: center;
    gap: 40px;
    padding: 22px 10px;
    border-bottom: 1px solid;
    border-color: rgba(35, 30, 25, 0.35);
}

.news-item time {
    font-size: 13px;
    color: #666;
    white-space: nowrap;
    line-height: 1;
    display: flex;
    align-items: center;
    height: 100%;
    padding-left: 10px;
}

.news-tag {
    display: inline-block;
    font-size: 12px;
    padding: 4px 10px;
    border: 0.9px solid;
    border-color: rgba(35, 30, 25, 0.35);
    border-radius: 999px;
    text-align: center;
    color: black;
    white-space: nowrap;
}

.news-link {
    text-decoration: none;
    color: inherit;
}

.news-link p {
    margin: 0;
    text-decoration: underline;
    text-decoration-color: rgba(0, 0, 0, 0.25);
    text-decoration-thickness: 0.8px;
    text-underline-offset: 5px;
}

.news-link:hover p {
    text-decoration-color: rgba(0, 0, 0, 0.45);
}

.news-item p {
    font-size: 14px;
    color: black;
    line-height: 1.7;
}

.news-item img {
    display: block;
    grid-column: 1 / -1;
    width: 100%;
    height: auto;
}

@media (max-width: 767px) {
    .news-container {
        width: 80%;
    }

    .news-title {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .news-list {
        overflow-y: visible;
        max-height: none;
    }

    .news-item {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 16px 5px;
    }

    .news-item time {
        padding-top: 5px;
        padding-left: 2px;
        padding-bottom: 2px;
    }

    .news-tag {
        width: fit-content;
        font-size: 11px;
    }

    .news-item p {
        font-size: 13px;
    }
}

.access-wrap {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background: #f5f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.access-container {
    width: 90%;
    max-width: 900px;
    margin: 0 auto;
}

.access-title {
    text-align: center;
    font-size: 26px;
    margin-bottom: 60px;
    letter-spacing: 0.15em;
}

.access-list {
    border-top: 1px solid;
    border-color: rgba(35, 30, 25, 0.35);
}

.access-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 40px;
    padding: 22px 10px;
    border-bottom: 1px solid;
    border-color: rgba(35, 30, 25, 0.35);
    align-items: start;
}

.access-list .access-row:last-child {
    border-bottom: none;
}

.access-label {
    font-size: 13px;
    color: #666;
    padding-top: 3px;
    white-space: nowrap;
}

.access-value {
    font-size: 14px;
    line-height: 1.9;
    color: #000;
}

.access-value a {
    text-decoration: none;
    color: #2f5e88;
}

.access-value a:hover {
    text-decoration: underline;
}

.access-map-row {
    align-items: flex-start;
}

.access-map {
    width: 100%;
}

.access-map iframe {
    width: 100%;
    height: 300px;
    border: 1px solid #ddd;
    border-radius: 4px;
    display: block;
    margin-bottom: 10px;
}

.access-map-link {
    display: inline-block;
    font-size: 13px;
    text-decoration: none;
    color: #2f5e88;
}

.access-map-link:hover {
    text-decoration: underline;
}

@media (max-width: 767px) {
    .access-container {
        width: 80%;
    }

    .access-title {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .access-row {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 16px 5px;
    }

    .access-label {
        font-size: 12px;
    }

    .access-value {
        font-size: 13px;
    }

    .access-map-row {
        position: relative;
        border-bottom: none;
        padding-bottom: 0;
    }

    .access-map iframe {
        height: 220px;
    }

    .access-map-link {
        position: absolute;
        top: 0;
        right: 0;
        transform: translateY(19px);
        font-size: 11px;
        padding: 3px 8px;
        line-height: 1;
        text-decoration: none;
        color: #2f5e88;
    }

    .access-map-link:hover {
        text-decoration: none;
    }
}

.announce-wrap {
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    background: #fafafa;
    text-align: center;
    box-sizing: border-box;
    display: grid;
    grid-template-rows: 1fr auto;
    align-items: stretch;
    justify-items: stretch;
    padding-bottom: env(safe-area-inset-bottom);
}

.announce {
    grid-row: 1;
    place-self: center;
    width: 100%;
    transform: translateY(-20px);
}

.announce h3 {
    text-align: center;
    font-size: 26px;
    margin-top: 60px;
    margin-bottom: 40px;
}

.announce p {
    line-height: 250%;
    font-size: 15px;
    text-align: justify;
    margin: 0 auto;
    width: 90%;
    max-width: 800px;
    text-align-last: center;
}

.announce img {
    display: block;
    margin: 60px auto 0;
    height: clamp(320px, 50vh, 520px);
    width: auto;
    max-width: min(900px, 90vw);
    transform: translateX(-20px);
}

.announce-wrap>footer {
    grid-row: 2;
    width: 100%;
    margin-top: 0;
}

@media (max-width: 767px) {
    .announce-wrap {
        height: 100svh;
        min-height: 100svh;
    }

    .announce {
        width: 90%;
    }

    .announce h3 {
        font-size: 18px;
        margin-top: 60px;
    }

    .announce p {
        font-size: 13px;
        margin-top: 40px;
        width: 100%;
    }

    .announce img {
        margin: 40px auto 0;
        width: 100%;
        height: auto;
        transform: translateX(0);
    }
}

footer {
    margin: 0 auto;
    background-color: #afafaf;
    padding: 20px;
    text-align: center;
    color: white;
    margin-top: auto;
    width: 100%;
}

footer nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0 auto 10px;
    padding: 0;
    position: relative;
}

footer nav ul li {
    width: 180px;
    text-align: center;
    position: relative;
}

footer nav ul li a {
    text-decoration: none;
    font-size: 14px;
    color: white;
    line-height: 1;
}

footer nav ul li:not(:last-child)::after {
    content: "｜";
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
    color: white;
    font-size: 14px;
    line-height: 1;
}

footer small {
    font-size: 12px;
}

@media (max-width: 767px) {
    footer nav ul {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    footer nav ul li a {
        font-size: 12px;
        display: inline-flex;
        align-items: center;
    }

    .footer-link-icon {
        width: 12px;
        height: 12px;
        background-image: url("images/link-icon.png");
        background-size: contain;
        background-repeat: no-repeat;
        display: inline-block;
        filter: brightness(0) invert(1);
        pointer-events: none;
        position: relative;
        margin-right: 3px;
        vertical-align: middle;
    }

    footer nav ul li:not(:last-child)::after {
        content: none;
    }

    footer small {
        display: block;
        margin-top: 20px;
        font-size: 0;
        color: #fff;
        position: relative;
        text-align: center;
    }

    footer small::before {
        content: "© 松月氷室";
        font-size: 11px;
        position: static;
        display: inline-block;
    }
}

.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background 0.3s, opacity 0.3s;
    opacity: 0;
    pointer-events: none;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: rgba(0, 0, 0, 0.8);
}

.page-indicator {
    position: fixed;
    left: 40px;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 9999;
    isolation: isolate;
    pointer-events: auto;
}

.page-indicator .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1.5px solid rgba(0, 0, 0, 0.7);
    background: transparent;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-indicator .dot::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.page-indicator .dot.active {
    border-color: rgba(0, 0, 0, 0.7);
}

.page-indicator .dot.active::after {
    opacity: 1;
}

.page-indicator .dot:hover {
    border-color: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

@media (max-width: 767px) {
    .page-indicator {
        left: 20px;
        bottom: 28px;
        gap: 12px;
        transform: scale(0.9);
        transform-origin: left bottom;
    }
}

@media (prefers-color-scheme: dark) {
    .page-indicator .dot {
        border-color: rgba(255, 255, 255, 0.6);
    }

    .page-indicator .dot::after {
        background: rgba(255, 255, 255, 0.9);
    }

    .page-indicator .dot.active {
        border-color: rgba(255, 255, 255, 0.9);
    }
}

.news-wrap,
.access-wrap,
.announce-wrap {
    position: relative;
    background: transparent !important;
}

.news-wrap::before,
.access-wrap::before,
.announce-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(250, 248, 244, 0.82);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 0;
}

.news-container,
.access-container,
.announce,
footer {
    position: relative;
    z-index: 1;
}

:root {
    --newsMax: 56svh;
    --newsMaxPc: 520px;
}

.news-list {
    max-height: min(var(--newsMax), var(--newsMaxPc));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: none;
}

.news-list.inner-scroll-locked {
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: auto !important;
    overscroll-behavior: none !important;
    touch-action: none !important;
}

.news-wrap.is-active-snap .news-list {
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    touch-action: pan-y !important;
}

@media (max-width: 767px) {
    :root {
        --newsMax: 50svh;
    }
}

.video-wrap,
.top-wrap,
.news-wrap,
.access-wrap,
.announce-wrap {
    height: 100svh;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}