/* ========================================
   右側マージン原因: .header_nav の width:100vw (line ~120)
   季節背景対策: .top_news と .pro-about のみに背景適用、z-index管理
   Autumn hover: --subnav-hover-bg/fg 変数で body.theme-autumn 時のみ変更
   イントロ縦線: --season-color 変数で季節ごとに色変更
======================================== */

/* 共通変数 */
@import url('https://fonts.googleapis.com/css2?family=Spectral:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');
:root {
    --font-bold: 'Spectral', serif;
    --font-base: 'Open Sans', sans-serif;
    --color-primary: #005fab;
    --season-color: #E2421F;
    --season-hover-color: #ffef20;
    --subnav-hover-bg: #333; /* デフォルトのホバー背景 */
    --subnav-hover-fg: #fff; /* デフォルトのホバー文字色 */

    /* 和モダン配色 */
    --bg: #fafafa;
    --surface: #ffffff;
    --divider: #e0e0e0;
    --text: #1a1a1a;
    --text-secondary: #5a5a5a;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    --theme-pattern: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23bf4f36' fill-opacity='0.02'%3E%3Cpath d='M20 20v20L0 20z'/%3E%3C/g%3E%3C/svg%3E");
}

/* 季節テーマ */
body.theme-spring {
    --subnav-hover-bg: #d65f8c;
    --subnav-hover-fg: #fff;
}
body.theme-summer {
    --subnav-hover-bg: #4a7c59;
    --subnav-hover-fg: #fff;
}
body.theme-autumn {
    --subnav-hover-bg: #222;
    --subnav-hover-fg: #fff;
}
body.theme-winter {
    --subnav-hover-bg: #5a7a9f;
    --subnav-hover-fg: #fff;
}

/* 横スクロール対策基盤 */
html {
    box-sizing: border-box;
    overflow-x: hidden;
}
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-base);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
*,
*::before,
*::after {
    box-sizing: inherit;
}
img,
video {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: inherit;
    text-decoration-line: none;
}

/* アニメーション定義 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes lineExpand {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* スクロールアニメーション用クラス */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].in-view {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    [data-animate],
    [data-animate].in-view {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* ヘッダー */
.site-header {
    position: fixed;
    width: 100%;
    height: 20vh;
    z-index: 9000;
}
.header_container {
    width: 100%;
    height: 60%;
    background: rgba(255, 255, 255, 0.7);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20%;
}
.header_logo_container {
    width: 50%;
    height: 95%;
    display: flex;
    gap: 7px;
}
.header_logo {
    height: 95%;
}
.header_logo_text_container {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.header_logo_text_container_title {
    font-family: var(--font-bold);
    font-size: 1.5rem;
    font-weight: 900;
}
.header_logo_text_container_subtitle {
    font-size: 0.75rem;
}
.header_nav {
    width: 50%;
    height: 100%;
    padding-right: 5%;
}
.header_nav ul {
    width: 100%;
    height: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-end; /* ナビアイテムを右揃え */
    gap: 4%;
}
.header_nav a {
    width: 100%;
    height: 100%;
    color: #000;
    text-decoration: none;
    display: flex; /* フレックスにして縦中央揃え */
    align-items: center;
}
.header_instagram {
    height: 40%;
}
.header_facebook {
    height: 40%;
    padding-right: 5%;
}
.header_nav .social-icons {
    display: flex; /* フレックスコンテナ化 */
    flex-direction: row; /* 横並びに */
    gap: 1.5rem; /* アイコン間のスペース */
}
.nav-toggle {
    display: none; /* モバイルでは JS で表示切替 */
}
.header_sub_container {
    display: flex;
    height: 40%;
    width: 100%;
    background-color: rgb(0, 0, 0);
    justify-content: center;
    align-items: center;
}
.header_sub_nav ul {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    gap: 50%;
}
.header_sub_nav li {
    cursor: pointer;
    border-radius: 50px;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}
.header_sub_nav li.active {
    background-color: var(--season-color);
    border-radius: 50px;
    padding: 1rem;
    color: #ffffff;
}
.header_sub_nav li:hover {
    background-color: var(--season-hover-color);
}
/* ── ハンバーガーアイコン ── */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 10000;
}
.nav-toggle .hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: #000;
    position: relative;
    transition: transform 0.3s ease, top 0.3s ease, opacity 0.3s ease;
}
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 2px;
    background: #000;
    left: 0;
    transition: transform 0.3s ease, top 0.3s ease, opacity 0.3s ease;
}
.nav-toggle .hamburger::before {
    top: -8px;
}
.nav-toggle .hamburger::after {
    top: 8px;
}

/* ── モバイル時（768px以下） ── */
@media (max-width: 768px) {
    .header_container {
        display: flex;
        flex-wrap: wrap; /* 子要素が折り返してはみ出しを防止 */
        gap: 1rem; /* 適宜調整 */
        padding: 0 1rem; /* 両サイドにパディングを入れて余裕を持たせる */
    }
    .header_logo_container,
    .header_nav {
        flex: 1 1 auto; /* 幅を自動調整 */
        width: auto; /* パーセント指定は解除 */
    }
    .header_nav ul {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .header_sub_nav ul {
        flex-wrap: wrap;
        gap: 0.1rem;
        padding: 0 1rem;
    }
    .header_sub_nav li {
        padding: 0.5rem 0.75rem;
    }
    /* ボタンを表示 */
    .nav-toggle {
        display: block;
    }

    /* 全画面オーバーレイナビ */
    .header_nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.9);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 9999;
    }
    .header_nav.open {
        display: flex;
    }
    .header_instagram {
        height: 25%;
    }
    .header_facebook {
        height: 30%;
        padding-right: 5%;
    }
    .header_nav {
        padding-top: 10rem;
    }
    .header_nav .social-icons {
        margin-top: auto; /* ここが肝！ 下方向の余白を自動確保 */
        display: flex;
        gap: 1.5rem;
        padding-bottom: 2rem; /* 下からの余白 */
    }

    /* アイコンを大きく、色は白に */
    .header_nav .social-icons img {
        width: 2.5rem;
        height: auto;
    }

    /* リスト縦並び・余白リセット */
    .header_nav ul {
        flex-direction: column;
        gap: 2rem;
        list-style: none;
        justify-content: center;
        align-items: center;
        padding: 0;
        margin: 0;
    }
    .header_nav li {
        margin: 0;
    }

    /* リンク大きめ・白文字 */
    .header_nav a {
        font-size: 2rem;
        color: #fff;
        text-decoration: none;
    }
    .nav-toggle.open .hamburger {
        background: transparent;
    }
    .nav-toggle.open .hamburger::before {
        top: 0;
        transform: rotate(45deg);
    }
    .nav-toggle.open .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
    }

    /* ×状態は白く */
    .nav-toggle .hamburger,
    .nav-toggle .hamburger::before,
    .nav-toggle .hamburger::after {
        background: #fff;
    }
}
@media (max-width: 480px) {
    .header_logo_icon {
        align-self: center;
        width: 3rem;
        height: 3rem;
    }
    .header_logo_text_container_title {
        font-size: 1.3rem;
    }
    .header_logo_text_container_subtitle {
        display: none;
    }
}

/* Hero */
.top_hero {
    position: relative;
    margin-top: 0vh;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}
.top_hero .top_hero_bg_img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}
.top_hero .top_hero_bg_img.active {
    opacity: 1;
}
.top_hero::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 15%;
    width: 70%;
    height: 50%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 0;
}
.top_hero_content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #fff;
    text-align: center;
    padding: 0;
}
.top_hero_title {
    padding-top: 2%;
    width: 100%;
    font-size: 3rem;
    font-family: var(--font-bold);
    font-weight: 900;
    margin-bottom: 3%;
}
.top_hero_phrase {
    width: 100%;
    font-size: 1.5rem;
    padding-bottom: 5%;
}
.top_link_to_about_us {
    position: absolute;
    left: 50%;
    top: 65%;
    transform: translateX(-50%);
    z-index: 1;
    width: 15rem;
    text-align: center;
    color: #ffffff;
    background-color: var(--season-color);
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    transition: 0.5s;
    padding: 10px 20px;
}
.top_link_to_about_us:hover {
    background-color: var(--season-hover-color);
}
.top_link_to_about_us:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}
@media (max-width: 768px) {
    .top_hero::before {
        top: 30%;
        left: 10%;
        width: 80%;
        height: 50%;
    }
    .top_hero_title {
        font-size: 1.5rem;
    }
    .top_hero_phrase {
        font-size: 1.25rem;
    }
    .top_link_to_about_us {
        top: 60%;
        left: 50%;
        font-size: 1.2rem;
        width: 13rem;
    }
}
@media (max-width: 480px) {
    .top_hero::before {
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    .top_hero_content {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .top_link_to_about_us {
        top: 67%;
        text-align: center;
        font-size: 1rem;
    }
}

/* Upcoming Events（季節背景適用） */
.top_news {
    position: relative;
    background: #ffffff;
    background-clip: padding-box;
    padding: 80px 0;
    width: 100%;
    animation: fadeInUp 0.8s ease;
    overflow: hidden;
    z-index: 1;
}

/* セクション間の区切り線を完全に削除 */
.top_news:not(:first-child)::before {
    display: none;
}

/* または、セレクタごと削除する場合 */
/*
.top_news:not(:first-child) {
    position: relative;
}

.top_news:not(:first-child)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        #e0e0e0 10%, 
        #d0d0d0 50%, 
        #e0e0e0 90%, 
        transparent 100%
    );
    opacity: 0.8;
}
*/

/* セクション間の余白を最適化 */
.top_news + .top_news {
    margin-top: 0;
    padding-top: 80px;
}

.top_news_wrap {
    position: relative;
    width: min(1200px, 90%);
    margin: 0 auto;
    padding: 0;
    max-width: 100%;
}
.top_news_header {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}
.top_news_header_title {
    font-family: var(--font-bold);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--text);
    margin: 0;
    display: inline-block;
    position: relative;
}


.top_news_content {
    width: 100%;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.news-list {
    list-style: none;
    margin: 0;
    padding: 0 0 32px;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min(280px, 75vw); /* 320px → 280px, 85vw → 75vw */
    gap: 16px; /* 24px → 16px */
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--divider) transparent;
    max-width: 100%;
}
.news-list::-webkit-scrollbar {
    height: 8px;
}
.news-list::-webkit-scrollbar-track {
    background: transparent;
}
.news-list::-webkit-scrollbar-thumb {
    background: var(--divider);
    border-radius: 4px;
}
.news-item {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 6px; /* 8px → 6px */
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    scroll-snap-align: start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--divider);
}
.news-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.news-item:hover .news-thumb {
    transform: scale(1.03);
}
.news-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
.news-text {
    padding: 12px; /* 20px → 12px */
}
.news-text time {
    font-size: 0.75rem; /* 0.85rem → 0.75rem */
    color: var(--text-secondary);
    margin-bottom: 6px; /* 8px → 6px */
    display: block;
    letter-spacing: 0.5px;
}
.news-text h3 {
    font-size: 0.95rem; /* 1.1rem → 0.95rem */
    font-weight: 700;
    margin: 6px 0 8px; /* 8px 0 12px → 6px 0 8px */
    color: var(--text);
    line-height: 1.3; /* 1.4 → 1.3 */
}
.news-text p {
    font-size: 0.8rem; /* 0.95rem → 0.8rem */
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4; /* 1.6 → 1.4 */
}

.top_news_to_event_info {
    position: relative;
    display: inline-block;
    margin: 32px auto 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--season-color);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 999px;
    transition: transform 0.2s ease, background-color 0.3s ease;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.top_news_to_event_info:hover {
    background: var(--season-hover-color);
    transform: translateX(-50%) translateY(-2px);
}
.top_news_to_event_info:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* タブレット対応 */
@media (min-width: 768px) {
    .news-list {
        grid-auto-columns: 260px; /* 300px → 260px */
        gap: 20px; /* 28px → 20px */
    }
}

/* スマホ対応の強化 */
@media (max-width: 480px) {
    .top_news {
        padding: 40px 0; /* 60px → 40px */
    }
    
    .top_news_wrap {
        width: 95%; /* 92% → 95% */
    }
    
    .news-list {
        grid-auto-columns: min(240px, 80vw); /* さらに小さく */
        gap: 12px; /* 16px → 12px */
        padding: 0 0 24px; /* 32px → 24px */
    }
    
    .news-text {
        padding: 10px; /* 12px → 10px */
    }
    
    .news-text h3 {
        font-size: 0.9rem; /* 0.95rem → 0.9rem */
        margin: 4px 0 6px; /* 6px 0 8px → 4px 0 6px */
    }
    
    .news-text p {
        font-size: 0.75rem; /* 0.8rem → 0.75rem */
        line-height: 1.3; /* 1.4 → 1.3 */
    }
    
    .top_news_to_event_info {
        padding: 8px 20px; /* 10px 24px → 8px 20px */
        font-size: 0.9rem; /* 0.95rem → 0.9rem */
    }
}

/* About Tour（季節背景適用） */
.pro-about {
    background: #ffffff;
    background-image: var(--theme-pattern);
    background-clip: padding-box;
    color: var(--text);
    padding: 100px 0;
    margin-top: 0;
    border-top: 1px solid var(--divider);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.pro-about .top_introduction_header {
    width: min(1200px, 90%);
    margin: 0 auto 64px;
    text-align: center;
    position: relative;
    max-width: 100%;
}
.pro-about .top_introduction_header_title {
    font-family: var(--font-bold);
    font-weight: 900;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.2;
    color: var(--text);
    display: inline-block;
    position: relative;
}


.about_rows {
    width: min(1200px, 90%);
    margin: 0 auto 80px;
    display: grid;
    gap: 80px;
    max-width: 100%;
}
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}
.feature-row:nth-child(2) {
    animation-delay: 0.1s;
}
.feature-row:nth-child(3) {
    animation-delay: 0.2s;
}

.feature-row.row--reverse .feature-media {
    order: 2;
}
.feature-row.row--reverse .feature-content {
    order: 1;
}

.feature-media {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.feature-media img {
    width: 85%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 4px solid #ffffff;
    max-width: 100%;
}
.feature-media:hover img {
    transform: scale(1.04);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.feature-content {
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 36px;
    border: 1px solid var(--divider);
    position: relative;
    transition: box-shadow 0.3s ease;
}
.feature-content:hover {
    box-shadow: var(--shadow-md);
}
.feature-content::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 24px;
    width: 4px;
    height: 40px;
    background: var(--season-color);
    border-radius: 2px;
}
.feature-title {
    font-family: var(--font-bold);
    font-weight: 700;
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
    margin: 0 0 16px 20px;
    line-height: 1.3;
    color: var(--text);
}
.feature-text {
    font-size: clamp(0.95rem, 1.3vw, 1.1rem);
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0 0 0 20px;
}

@media (max-width: 980px) {
    .feature-row,
    .feature-row.row--reverse {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .feature-row.row--reverse .feature-media,
    .feature-row.row--reverse .feature-content {
        order: initial;
    }
    .feature-media img {
        width: 60%;
        max-width: 350px;
    }
    .about_rows {
        gap: 56px;
    }
}
@media (max-width: 480px) {
    .pro-about {
        padding: 60px 0;
    }
    .feature-content {
        padding: 24px;
    }
    .feature-content::before {
        height: 30px;
        top: 20px;
        left: 16px;
    }
    .feature-title {
        margin-left: 12px;
        font-size: 1.25rem;
    }
    .feature-text {
        margin-left: 12px;
        font-size: 0.95rem;
    }
}

.top_introduction_feature {
    display: none;
}
.top_introduction_feature_photo_container_left,
.top_introduction_feature_photo_container_right,
.top_introduction_feature_text_container {
    display: none;
}

/* Guide Profile Card */
.top_introduction_card {
    display: flex;
    width: 80%;
    aspect-ratio: 10/3;
    margin: 0 auto;
    background-color: #ffffff;
    box-shadow: 2px 2px 10px #000;
    overflow: hidden;
    position: relative;
}
.card_image {
    flex: 4;
    width: 100%;
    height: auto;
    aspect-ratio: 3/2;
    object-fit: cover;
}
.top_introduction_card_info_container {
    flex: 6;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.card_circle_image_wrapper {
    position: absolute;
    top: 50%;
    left: 45%;
    transform: translate(-50%, -50%);
    z-index: 5;
    width: 15%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    overflow: hidden;
}
.card_circle_image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.top_introduction_card_info_container {
    width: 100%;
    padding-left: 10%;
}
@import url('https://fonts.googleapis.com/css2?family=Great+Vibes&display=swap');
.top_introduction_card_info_name {
    font-size: 3rem;
    font-family: 'Great Vibes', cursive;
    font-weight: 900;
    margin-bottom: 5%;
}
.top_introduction_card_info_role {
    font-size: 1.2rem;
    padding-bottom: 1rem;
}
.top_introduction_card_info_contact_container {
    margin-top: 5%;
    width: 100%;
    display: flex;
    gap: 5%;
    justify-content: center;
    align-items: center;
}
.card_instagram,
.card_facebook {
    height: 2.5rem;
}
@media (max-width: 768px) {
    .top_introduction_card {
        flex-direction: column;
        width: 90%;
        aspect-ratio: auto;
    }
    .card_image {
        width: 100%;
        height: auto;
        aspect-ratio: unset;
    }
    .top_introduction_card_info_container {
        padding: 1rem;
        text-align: center;
        align-items: center;
    }
    .card_circle_image_wrapper {
        top: 10%;
        left: 50%;
        transform: translate(-50%, -10%);
        width: 25%;
    }
}
@media (max-width: 480px) {
    .top_introduction_card {
        width: 100%;
    }
    .card_circle_image_wrapper {
        width: 30%;
    }
    .top_introduction_card_info_name {
        font-size: 2rem;
    }
    .top_introduction_card_info_role {
        font-size: 1rem;
    }
    .card_instagram,
    .card_facebook {
        height: 2rem;
    }
}

/* Contact */
.top_contact { /* ── Contact Section ── */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 20vh auto;
    width: 80vw;
    height: 15vh;
    padding: var(--spacing);
    background-color: var(--color-bg);
}
.top_contact_title {
    font-size: 2rem;
}
.top_contact__link {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    width: 100%;
    padding: 0.75rem 1.5rem;
    color: #ffffff;
    border: 3px solid #000000;
    background: var(--season-color);
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}
.top_contact__link:hover {
    background: var(--season-hover-color);
    color: #ffffff;
}
.top_contact__icon-wrapper {
    position: relative;
    width: 2rem;
    height: 2rem;
}
.top_contact__icon {
    width: 110%;
    height: 110%;
    fill: currentColor;
}
@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}
.top_contact__icon-wrapper::before,
.top_contact__icon-wrapper::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid currentColor;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    pointer-events: none;
}
.top_contact__link:hover .top_contact__icon-wrapper::before {
    animation: ripple 1s ease-out forwards;
}
.top_contact__link:hover .top_contact__icon-wrapper::after {
    animation: ripple 1s ease-out forwards;
    animation-delay: 0.3s;
}
@media (max-width: 768px) {
    .top_contact {
        margin: 10vh auto !important; /* 上下マージンを縮小 */
        width: 90vw !important; /* 横幅を広げ */
        height: auto !important; /* 固定高さを解除 */
        padding: calc(var(--spacing) / 2) !important; /* パディング半減 */
    }
    .top_contact_title {
        font-size: 1.75rem !important; /* タイトルを少し縮小 */
    }
    .top_contact__link {
        gap: 1rem !important; /* アイコンとテキストの間隔を狭める */
        padding: 0.5rem 1rem !important; /* ボタン余白を縮小 */
        width: 80% !important; /* 幅を制限 */
        max-width: 400px !important; /* 最大幅を設定 */
    }
}
@media (max-width: 480px) {
    .top_contact {
        margin: 8vh auto !important; /* さらに上下マージンを縮小 */
        width: 95vw !important; /* ほぼフル幅 */
        padding: calc(var(--spacing) / 3) !important; /* 余白最小化 */
    }
    .top_contact_title {
        font-size: 1.5rem !important; /* タイトルを更に縮小 */
    }
    .top_contact__link {
        gap: 0.5rem !important; /* アイコンとテキストの間隔を更に狭める */
        padding: 0.5rem !important; /* ボタン余白を最小化 */
        width: 100% !important; /* フル幅 */
    }
    .top_contact__icon-wrapper {
        width: 1.5rem !important; /* アイコンラッパー縮小 */
        height: 1.5rem !important;
    }
    .top_contact__icon {
        width: 100% !important; /* アイコンサイズにフィット */
        height: 100% !important;
    }
}

/* Travel Info（季節背景なし） */
.top_travel_info {
    position: relative;
    padding: 5vh 0;
    background: #f1f1f1;
}
.top_travel_info_header {
    text-align: center;
    margin-bottom: 2rem;
}
.top_travel_info_header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-bold);
    text-transform: capitalize;
}
.top_travel_info_grid_list {
    display: grid;
    width: 80%;
    margin: 0 auto;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    max-width: 100%;
}
.top_travel_info_grid {
    background-color: #ffffff;
    aspect-ratio: 1/1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    transition: transform 0.2s ease;
}
.top_travel_info_grid:hover {
    transform: translateY(-5px);
}
.top_travel_info_grid_icon {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
    margin-bottom: 0.75rem;
}
.top_travel_info_grid_title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: capitalize;
    text-align: center;
    color: var(--color-primary);
}

/* Footer */
.site-footer {
    position: relative;
    padding-bottom: 1rem;
    bottom: 0;
    margin-bottom: 0;
    color: #ffffff;
    background-color: #000000;
}
.footer_container {
    display: flex;
    flex-direction: row;
    align-items: center;
    background-color: #1d1d1d;
    justify-content: space-between;
}
.footer_icon_items {
    display: flex;
    flex-direction: row;
    gap: 3vh;
}
.footer_toru_tour_icon {
    width: 8rem;
}
.footer_follow {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.footer_follow_text {
    font-size: 1rem;
    text-align: center;
    padding-bottom: 1rem;
}
.footer_sns_container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10%;
}
.footer_instagram {
    width: 3rem;
}
.footer_facebook {
    width: 3rem;
}
.footer_nav_container ul {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    width: 50vw;
    gap: 5%;
    margin-right: 10vw;
    padding-left: 0;
}
.footer_sign {
    width: 100%;
    font-size: 1rem;
    padding-top: 1%;
    text-align: center;
}
@media (max-width: 768px) {
    .footer_container {
        flex-direction: column;
        align-items: center;
        padding: 2rem 1rem;
        gap: 2rem;
    }
    .footer_icon_items {
        justify-content: center;
        margin-bottom: 1rem;
    }
    .footer_sns_container {
        margin: 1rem 0;
    }
    .footer_nav_container ul {
        margin: 1rem 0;
        width: 100%;
    }
}
@media (max-width: 480px) {
    .footer_toru_tour_icon {
        width: 6rem;
    }
    .footer_instagram,
    .footer_facebook {
        width: 2.5rem;
    }
    .footer_follow_text {
        font-size: 0.9rem;
    }
    .footer_sign {
        font-size: 0.8rem;
        padding-top: 0.5rem;
    }
}

/* CLS/LCP and readability tweaks */
.top_hero { aspect-ratio: 16/9; }
.top_hero_title { max-width: 22ch; line-height: 1.1; }
.top_hero_phrase { max-width: 50ch; }
.breadcrumb a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.news-list h3 { font-weight: 700; }