@charset "UTF-8";

/* --- Base Styles --- */
:root {
    --text-color: #333;
    --bg-color: #fff;
    --cast-bg: rgb(255 255 255 / 0.2); /* キャストセクション背景（半透明白） */
    --light-gray: #ccc;
    --gold: #b89742;       /* ゴールドメイン */
    --gold-hover: #cbb062; /* ゴールドホバー */
    /* z-index レイヤー管理 */
    --z-header: 100;
    --z-fixed-btn: 150;
    --z-nav-sp: 900;
    --z-modal: 1000;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
    line-height: 1.8;
    color: var(--text-color);
    background: #111; /* パーティクル背景の共通ベース */
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
img { max-width: 100%; height: auto; vertical-align: bottom; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: var(--z-header);
    border-bottom: 1px solid #eee;
    transition: transform 0.35s ease;
}
/* SP: スクロール下方向で隠す */
.header--hidden {
    transform: translateY(-100%);
}

.header-inner {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
}

/* メニューのセンタリング（PC） */
.nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav ul {
    display: flex;
    gap: 30px;
    font-size: 14px;
    letter-spacing: 0.1em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sns-links {
    display: flex;
    gap: 10px;
}

.sns-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #ddd;
    font-size: 10px;
    border-radius: 50%; /* 丸くする */
}

/* --- Hamburger Button --- */
.hamburger {
    display: none; /* PCでは非表示 */
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 999;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #333;
    position: absolute;
    left: 0;
    transition: top 0.6s cubic-bezier(0.68, -0.25, 0.1, 1.55),
                bottom 0.6s cubic-bezier(0.68, -0.25, 0.1, 1.55),
                transform 0.6s cubic-bezier(0.68, -0.25, 0.1, 1.55),
                opacity 0.6s cubic-bezier(0.68, -0.25, 0.1, 1.55),
                background-color 0.6s cubic-bezier(0.68, -0.25, 0.1, 1.55);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

/* ハンバーガー展開時 */
.hamburger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    background-color: #fff;
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
    background-color: #fff;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    z-index: 1; /* fixed canvas(z:0) より前面 */
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    will-change: opacity;
}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: url('img/hero-movie.webp') center / cover no-repeat;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.video-container video.is-loaded {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    text-align: center;
}

.hero-logo {
    width: clamp(200px, 40vw, 420px);
    height: auto;
    display: block;
}

/* --- Section Common --- */
section { padding: 80px 0; }
h1 { font-size: 28px; margin-bottom: 20px; font-weight: normal; letter-spacing: 0.1em; }

/* --- Concept --- */
/* background: transparent → body(#111) + fixed canvas のパーティクルが透けて見える */
.concept {
    position: relative;
    z-index: 1;
    background: transparent;
    padding: 100px 0 0 0;
    overflow-x: clip;
    overflow-y: visible;
}

/* テキストエリアのみのレイアウト（concept-images は container 外へ移動） */
.concept-layout {
    display: flex;
    justify-content: flex-end; /* テキストを右寄せ */
    position: relative;
    z-index: 10;
}

/* --- 画像エリア（section 全体に広がる絶対配置レイヤー） --- */
.concept-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    opacity: 0;
    transition: opacity 2s ease;
}
.concept-images.is-visible {
    opacity: 1;
}

.img-box {
    position: absolute;
    left: 0;
    height: 300px;
    width: auto;
    /* z-index は concept-anim.js がレイヤーごとに設定（遠景:2 中景:3 近景:4） */
    opacity: 0; /* JS が管理するまで非表示 */
    will-change: transform, opacity;
}

.img-box img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

/* Y位置・速度・遅延は concept-anim.js がランダムに設定 */

@keyframes img-drift {
    /* 左側はフェードインなし、外側からゆっくり画面内に入る */
    0%   { transform: translateX(-700px); opacity: 0; }
    20%  { transform: translateX(-600px); opacity: 0; }
    25%  { transform: translateX(-200px); opacity: 0; }
    27%  { transform: translateX(-100px); opacity: 1; }
    30%  { transform: translateX(0); opacity: 1; }

    /* 右側は画面右から20%手前でフェードアウト開始 */
    65%  { opacity: 1; }
    70%  { opacity: 0; }
    100% { transform: translateX(1900px); opacity: 0; }
}

@keyframes img-drift-sp {
    0%   { transform: translateX(-500px); opacity: 1; }
    100% { transform: translateX(2000px); opacity: 1; }
}

/* --- 右側：テキストエリア --- */
.concept-text {
    width: 50%;
    position: relative;
    z-index: 10;
    padding: 40px;
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(2px);
    will-change: transform;
}

.concept-text h1 {
    font-size: 26px;
    line-height: 1.6;
    margin-bottom: 40px;
    font-weight: normal;
    letter-spacing: 0.1em;
    color: #fff;
    text-shadow: 0 2px 20px rgba(0,0,0,0.6);
    margin-left: -30%; /* 画像に重なるレイアウト意図 */
}

.concept-desc p {
    font-size: 15px;
    line-height: 2.2;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.82);
    letter-spacing: 0.05em;
    margin-left: 5%; /* 画像に重なるレイアウト意図 */
}

.concept-desc .last-msg {
    text-align: right;
    font-size: 18px;
    margin-top: 30px;
    letter-spacing: 0.2em;
    color: #fff;
}

/* =========================================
   ふわっと出現（Fade-in）用のアニメーション
========================================= */
.fade-in {
    opacity: 0; /* 最初は透明 */
    transform: translateY(30px); /* 少し下に配置 */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; /* 0.8秒かけて変化 */
}
/* JSで付与されるクラス */
.fade-in.is-visible {
    opacity: 1; /* 見えるようになる */
    transform: translateY(0); /* 元の位置に戻る */
}


/* =========================================
   レイアウト用のスタイル
========================================= */
/* 出し分け */
.sp-only { display: none !important; }


/* --- ベース（PC版） --- */
/* cast-section / cast-gray-bg ともに transparent → パーティクル透過 */
.cast-section { position: relative; z-index: 1; margin-top: -210px; }
.cast-gray-bg { background-color: transparent; color: #fff; padding: 0 0 60px 0; position: relative; z-index: 2; }
.cast-layout { display: flex; justify-content: space-between; gap: 40px; align-items: flex-end; }
.cast-text { flex: 1; padding: 40px 20px; background: rgba(255, 255, 255, 0.10); backdrop-filter: blur(2px); font-size: 14px; font-weight: light;}
.cast-text .fade-in:last-child { text-align: center; }
.cast-pc-header { margin-bottom: 40px; }
/* ラベル（洗練された華やかさ） */
.cast-pc-header .catch,
.cast-sp-header .catch {
    font-size: 26px;
    line-height: 1.6;
    letter-spacing: 0.1em;
    opacity: 1;
    margin-bottom: -6px;
    text-align: center;
}
/* メイン見出し：concept h2 と同等（26px） */
.cast-pc-header p:not(.catch),
.sp-header-text p:not(.catch) {
    line-height: 1.6;
    font-weight: normal;
    letter-spacing: 0.1em;
    color: #fff;
    margin-bottom: 0;
    margin-left: 15%;
}
.cast-desc p { margin-bottom: 0.6em; }
.cast-desc p:last-child { margin-bottom: 0; }
.cast-desc .cast-para-gap { margin-bottom: 1.8em; } /* 段落間の空き */

/* PC版：キャスト画像配置（重なり対応） */
.cast-images {
    position: relative;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: flex-end;
}
.cast-image-pc {
    position: absolute;
    height: auto;
    bottom: 0;
}
.cast-image-pc-left {
    width: 50%;
    left: 0;
    z-index: 1;
}
.cast-image-pc-right {
    width: 55%;
    left: 40%;
    z-index: 2;
}

/* キャスト画像の切り替え */
.cast-image-animated {
    transition: opacity 2s ease-in-out;
    opacity: 1;
}

.btn { display: inline-block; padding: 15px 40px; background: #fff; color: #333; margin-top: 30px; text-decoration: none; transition: background-color 0.3s, color 0.3s; }
.btn-white { background: transparent; color: #fff; border: 1px solid #fff; font-size: 16px; }
.btn-white:hover { background: #fff; color: #333; }

/* --- スマホ版（SP） --- */
@media screen and (max-width: 768px) {
    .pc-only { display: none !important; }
    .sp-only { display: block !important; }

    .btn { padding: 15px 20px; }

    /* SP用ヘッダーの構造変更 */
    .cast-sp-header {
        position: relative; /* 子要素の絶対配置の基準 */
        width: 100%;
        margin-bottom: 0;
        transition: transform 0.8s ease-out;
    }
    
    .sp-header-images {
        position: relative;
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 0;
        width: 100%;
        padding: 0;
        min-height: 320px;
    }
    
    .sp-header-img-left,
    .sp-header-img-right {
        width: 35%;
        flex-shrink: 0;
        align-self: flex-end;
    }
    
    .sp-header-img-left img,
    .sp-header-img-right img {
        width: 100%;
        height: auto;
        display: block;
    }
    
    .sp-header-text-wrapper {
        position: absolute;
        top: 70%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        z-index: 2;
        text-align: center;
    }
    .sp-header-text {
        color: #fff;
        text-shadow: 0 2px 5px rgba(0,0,0,0.8);
    }
    
    .cast-gray-bg { padding: 0 0 40px 0; }
    .cast-layout { flex-direction: column; }
}



/* --- Introduction --- */
/* transparent → パーティクルを最もクリアに表示するセクション */
.introduction {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 30px 0;
    margin-top: -570px; /* conceptセクションとの余白を詰める */
    color: #fff;
    background: transparent;
}
.introduction h1 { color: #fff; font-size: 20px;}

/* タイプライターカーソル */
.typewriter-cursor {
    display: inline-block;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    animation: typewriter-blink 0.7s step-end infinite;
}
.typewriter-cursor--done {
    animation: typewriter-blink 0.7s step-end 3;
}
@keyframes typewriter-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}
/* introductionセクション p要素の順次表示 */
.introduction p {
    color: #fff;
    line-height: 3em;
    margin: 0;
}
.intro-para--hidden {
    opacity: 0;
    transform: translateY(6px);
}
.intro-para--visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.arrow-down {
    font-size: 30px;
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.5);
    display: inline-block;
    animation: arrow-spin 3s ease-in-out infinite;
    transform-origin: center;
}
@keyframes arrow-spin {
    0%   { transform: rotateY(0deg);   opacity: 0.5; }
    40%  { transform: rotateY(180deg); opacity: 0.9; }
    60%  { transform: rotateY(180deg); opacity: 0.9; }
    100% { transform: rotateY(360deg); opacity: 0.5; }
}


/* --- System (Modified based on image) --- */
.system {
    position: relative;
    z-index: 1; /* fixed canvas を白背景で隠す */
    padding: 40px 0 20px 0;
    background: #fff;
    overflow-x: hidden;
}

.system-wrapper {
    position: relative;
    max-width: 900px; /* 全体の幅を制限 */
    margin: 0 auto;
    /* 上下の画像がはみ出すスペースを確保 */
    padding: 50px 0;
}

/* 中央の黒いコンテンツボックス */
.system-content {
    background: #222; /* 画像に近い濃いグレー */
    color: #fff;
    padding: 80px 100px;
    position: relative;
    z-index: 2; /* 画像より手前にする部分は手前に */
    box-sizing: border-box;
}

.system-content h1 {
    font-size: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    padding-bottom: 10px;
    display: block;
    text-align: center;
    margin: 0 auto 40px auto;
}

.price-lists {
    display: flex;
    gap: 120px;
    align-items: flex-start;
}

.price-list {
    flex: 1;
    margin-bottom: 0;
}

.price-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    border-bottom: 1px dashed rgba(255,255,255,0.2);
    padding-bottom: 5px;
}

.price-row dt { font-weight: bold; flex: 1; align-self: center; }
.price-row dd { font-size: 15px; margin: 0; text-align: right; }

.price-group-header {
    border-bottom: none;
    margin-bottom: 2px;
    padding-bottom: 0;
    padding-top: 5px;
}
.price-group-header dt {
    font-size: 1em;
    letter-spacing: 0.05em;
}
.price-subrow {
    padding-left: 1em;
    margin-bottom: 6px;
}
.price-single {
    padding-top: 0.75em;
    margin-bottom: 0;
}
.price-subrow dt {
    font-size: 0.85em;
    font-weight: normal;
}
.price-subrow dd {
    font-size: 15px;
}

/* --- Access --- */
.access {
    position: relative;
    z-index: 1;
    background: #fff;
    padding: 20px 0 120px 0;
}
.access-header { text-align: center; }
/* PC: 2カラム */
.access-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}
.access-img {
    flex: 0 0 45%;
    height: 400px;
}
.access-img iframe {
    display: block;
    width: 100%;
    height: 100%;
    filter: grayscale(1) contrast(1.05) brightness(0.92);
}
.access-info { flex: 1; }
.access-info p { margin-bottom: 12px; }
.btn-gray {
    display: inline-block;
    padding: 14px 32px;
    margin-top: 15px;
    letter-spacing: 0.05em;
    text-align: center;
    background: transparent;
    color: #222;
    border: 1px solid #222;
    transition: background-color 0.3s, color 0.3s;
    box-sizing: border-box;
}
.btn-gray:hover { background: #222; color: #fff; }

/* --- Footer --- */
.footer { position: relative; z-index: 1; background: #1a1a1a; color: #888; text-align: center; padding: 40px 0; font-size: 12px; }

.nav-sns {
    display: none;
}
.sns-icon img{
	border-radius: 10px;
}


/* --- Responsive (SP / Tablet) --- */
@media (max-width: 768px) {
	.hero {
    height: 95vh;
	}
	.video-container {
    width: 100%;
    height: 100%;
	}
	.video-container video {
		width: 100%;
		height: 100%;
	}
    /* ロゴ非表示 */
    .logo-area { display: none; }

    /* ヘッダー背景・ボーダーを透明に・予約ボタンより前面に */
    .header {
        background: transparent;
        z-index: 200;
        border-bottom: none;
        box-shadow: none;
    }

    .header-inner { padding: 14px 16px; justify-content: flex-end; }

    /* ハンバーガー：大きく・見やすく・白線で背景に溶けない */
    .hamburger {
        display: block;
        width: 38px;
        height: 28px;
        margin-left: 0;
    }
    .hamburger span {
        height: 3px;
        background-color: #fff;
        box-shadow: 0 1px 3px rgba(0,0,0,0.6);
    }

    /* メニューのSPスタイル */
    .nav {
        position: fixed;
        inset: 0;
        transform: translateX(100%);
        width: 100%;
        background: rgba(0, 0, 0, 0.7);
        display: flex;
        align-items: center;
        justify-content: center;
        visibility: hidden;
        transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.5s;
        z-index: var(--z-nav-sp);
    }

    .nav.active {
        transform: translateX(0);
        visibility: visible;
    }

    .nav ul {
        flex-direction: column;
        text-align: center;
        gap: 40px;
        margin-top: -40px;
    }

    .nav ul li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.5s, transform 0.5s;
    }

    .nav.active ul li {
        opacity: 1;
        transform: translateY(0);
    }
    .nav.active ul li:nth-child(1) { transition-delay: 0.1s; }
    .nav.active ul li:nth-child(2) { transition-delay: 0.2s; }
    .nav.active ul li:nth-child(3) { transition-delay: 0.3s; }
    .nav.active ul li:nth-child(4) { transition-delay: 0.4s; }

    .nav ul li a {
        color: #fff;
        font-size: 20px;
        display: block;
    }

	.pc-only{
		display: none;
	}
    /* スマホの時だけ表示（flex）に上書きします */
    .nav-sns {
        display: flex;
        /* 以下は配置やアニメーション用のスタイル */
        gap: 20px;
        position: absolute;
        bottom: 80px;
        width: 100%;
        justify-content: center;
    }
    
    /* アイコンのスタイル */
    .nav-sns .sns-icon {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.5s, transform 0.5s;
        /* PCのヘッダーアイコンと見た目を合わせるなら以下は不要、変えるなら記述 */
        background: #444; 
        color: #fff;
    }
    
    /* アニメーション遅延設定など（前回のまま） */
    .nav.active .nav-sns .sns-icon {
        opacity: 1;
        transform: translateY(0);
    }
    .nav.active .nav-sns .sns-icon:nth-child(1) { transition-delay: 0.5s; }
    .nav.active .nav-sns .sns-icon:nth-child(2) { transition-delay: 0.6s; }
    .nav.active .nav-sns .sns-icon:nth-child(3) { transition-delay: 0.7s; }


    /* 各セクションの縦並び化 */
    .concept {
        padding: 30px 0; /* SP: ヒーローセクションとの空間を狭める */
    }

    .concept-layout {
        display: block;
        justify-content: unset;
    }

    /* SP: concept-images を static に戻して縦積みの高さを確保 */
    .concept-images {
        position: relative;
        width: 100%;
        height: 2000px; /* 高さをさらに広げてY軸の幅を増す */
    }

    .img-box {
        height: 250px; /* SP: 画像をもう少し大きく */
        /* top・duration・delay は concept-anim.js がランダムに設定 */
    }

    .concept-text {
        width: 100%;
        margin-top: -2000px; /* 重なりをさらに大きく */
        padding: 50px 10px 40px;
        z-index: 10;
    }

    .concept-text h1 {
        font-size: 20px;
        margin-bottom: 24px;
        margin-left: 0; /* SP では負のマージンをリセット */
    }
    
    .concept-desc p {
        font-size: 14px;
        text-align: justify; /* 両端揃えできれいに見せる */
    }

    /* SystemセクションのSP対応（はみ出しを解除して縦積みに） */
    .system-wrapper {
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .system-content {
        padding: 40px 20px;
        width: 100%;
    }

    .price-lists {
        flex-direction: column;
        gap: 20px;
    }

    .price-list {
        width: 100%;
        padding: 0;
        margin: 0;
    }

    .price-row {
        width: 100%;
    }

    .price-row dd {
        white-space: nowrap;
    }

    /* Access: SP 縦積み・マップ全幅 */
    .access-layout {
        flex-direction: column;
        gap: 0;
    }
    .access-img {
        order: 1;           /* アクセス見出しの次 */
        width: 100vw;
        height: 280px;
        margin-left: calc(50% - 50vw);
    }
    .access-info {
        order: 2;
        width: 100%;
        padding-top: 24px;
    }
    .btn-gray {
        display: block;
        width: 100%;
    }
}


/* particle-section は HTML から削除済み（canvas は body 直下・fixed に変更） */

/* --- 背景キャンバス ---
   position: fixed → CSS サイズ = viewport = JS の window.innerWidth/Height
   → 円の縦横比が崩れない */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* particle-content は HTML から削除済みのため定義不要 */

/* =========================================
   固定予約ボタン
========================================= */
.fixed-reserve-btn {
    position: fixed;
    bottom: 60px;
    right: 60px;
    width: 140px;
    height: 140px;
    font-size: 24px;
    background-color: #fff;
    color: #000;
    border: none;
    border-radius: 50%;
    font-weight: bold;
    font-family: inherit;
    letter-spacing: 0.1em;
    cursor: pointer;
    z-index: var(--z-fixed-btn);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
    transition: transform 0.3s ease, background-color 0.3s;
}

.fixed-reserve-btn:hover {
    transform: scale(1.05);
    background-color: #e0e0e0;
}

/* =========================================
   モーダルウィンドウ
========================================= */
.reserve-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden; /* 初期状態は非表示 */
    opacity: 0;
    transition: visibility 0.4s, opacity 0.4s;
}

/* activeクラス付与で表示 */
.reserve-modal.active {
    visibility: visible;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8); /* 背景を暗くする */
}

.modal-content {
    position: relative;
    background: #fff;
    color: #333;
    width: 90%;
    max-width: 400px;
    padding: 50px 30px 40px;
    border-radius: 8px;
    text-align: center;
    z-index: 1001;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.reserve-modal.active .modal-content {
    transform: translateY(0); /* ふわっと浮き上がるアニメーション */
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 32px;
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #fff;
}

.modal-title {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: normal;
    letter-spacing: 0.15em;
    color: var(--gold);
}

.modal-desc {
    font-size: 14px;
    margin-bottom: 30px;
    color: #333;
    line-height: 1.8;
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: bold;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: opacity 0.3s;
}

.modal-btn:hover {
    opacity: 0.8;
}

.phone-btn {
    background-color: #444;
    color: #fff;
    border: 1px solid #666;
}

.line-btn {
    background-color: #06C755; /* LINE公式カラー */
    color: #fff;
}

@media screen and (max-width: 768px) {
    .fixed-reserve-btn {
        bottom: 20px;
        right: 20px;
        width: 75px;
        height: 75px;
        font-size: 14px;
    }
}

/* =========================================
   アクセシビリティ：アニメーション低減
========================================= */
@media (prefers-reduced-motion: reduce) {
    body { animation: none; }
    .concept-images { opacity: 1; transition: none; }
    .img-box {
        animation: none;
        opacity: 1;
    }
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hamburger span {
        transition: none;
    }
    .nav {
        transition: none;
    }
    .nav ul li {
        transition: none;
    }
    .fixed-reserve-btn {
        transition: none;
    }
    .reserve-modal,
    .modal-content {
        transition: none;
    }
    #particle-canvas {
        display: none; /* 動きの激しいパーティクルは非表示 */
    }
}