@charset "UTF-8";

/* --- カラーパレット --- */
:root {
    --primary-green: #2d5016;
    --dark-green: #1a3510;
    --accent-orange: #e67e22;
    --accent-yellow: #f39c12;
    --light-bg: rgba(255, 255, 255, 0.97);
    --text-dark: #2c3e50;
    --text-gray: #555;
}

/* --- 基本設定 --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body { 
    font-family: "Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--text-dark); 
    background-color: #000; 
    overflow-x: hidden;
    line-height: 1.8;
}
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; vertical-align: bottom; }

/* 背景固定 */
.fixed_bg { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100vh;
    background-image: url('../img/bg_img.webp'); 
    background-size: cover; 
    background-position: center; 
    background-attachment: fixed;
    z-index: -1;
}

/* ヘッダー - 見やすさ重視 */
#header { 
    position: fixed; 
    top: 0; 
    width: 100%; 
    height: 90px; 
    z-index: 1000; 
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex; 
    align-items: center;
}

#header .inner { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    width: 100%; 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 5%; 
}

/* ヘッダーロゴ - 画像ロゴ */
.header_logo {
    display: flex;
    align-items: center;
}

.header_logo a {
    display: block;
    line-height: 1;
}

.header_logo img { 
    height: 70px;
    width: auto;
    display: block;
    transition: 0.3s;
}

.header_logo img:hover {
    opacity: 0.8;
}

/* スクロール後のヘッダー */
#header.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
    background: rgba(255, 255, 255, 1);
}

/* PC ナビゲーション */
.pc_nav ul { display: flex; gap: 35px; }
.pc_nav a { 
    font-size: 1.5rem; 
    font-weight: 600; 
    color: var(--text-dark); 
    transition: 0.3s;
    position: relative;
}
.pc_nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    transition: 0.3s;
}
.pc_nav a:hover::after { width: 100%; }
.pc_nav a:hover { color: var(--accent-orange); }

/* ヘッダーボタン */
.header_btn .btn_s { 
    display: inline-block; 
    padding: 12px 30px; 
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    color: #fff; 
    font-size: 1.4rem; 
    font-weight: 700; 
    border-radius: 50px; 
    transition: 0.3s;
}
.header_btn .btn_s:hover { 
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.4);
}

/* ハンバーガーメニュー */
.burger { 
    display: none; width: 30px; height: 25px; 
    position: relative; cursor: pointer;
    z-index: 1001;
}
.burger span { 
    position: absolute; left: 0; width: 100%; height: 3px; 
    background: #333; transition: 0.3s; border-radius: 2px;
}
.burger span:nth-child(1) { top: 0; }
.burger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.burger span:nth-child(3) { bottom: 0; }

/* ハンバーガーメニュー - アクティブ状態 */
.burger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}
.burger.active span:nth-child(2) {
    opacity: 0;
}
.burger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* モバイルナビゲーション */
.mobile_nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: right 0.4s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    padding-top: 100px;
}

.mobile_nav.active {
    right: 0;
}

.mobile_nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile_nav li {
    border-bottom: 1px solid #e0e0e0;
}

.mobile_nav a {
    display: block;
    padding: 20px 30px;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
    transition: 0.3s;
}

.mobile_nav a:hover {
    background: #f8f8f8;
    color: var(--accent-orange);
    padding-left: 40px;
}

.mobile_nav li .mobile_apply_btn {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    color: #fff;
    text-align: center;
    margin: 20px;
    border-radius: 50px;
    padding: 15px 30px;
}

.mobile_nav li .mobile_apply_btn:hover {
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
    padding-left: 30px;
}

/* メニューオープン時のボディ固定 */
body.menu_open {
    overflow: hidden;
}

/* メインビジュアル - 左右分割レイアウト */
#main_visual { 
    width: 100%; 
    min-height: 100vh; 
    position: relative; 
    z-index: 1; 
    display: flex;
    align-items: stretch;
    margin-top: 90px;
}

/* 左側：画像エリア */
.visual_left {
    width: 50%;
    position: relative;
    overflow: hidden;
    height: 100vh;
}

/* bxSlider wrapper・viewport を親に合わせて高さ100%に */
.visual_left .bx-wrapper,
.visual_left .bx-viewport {
    height: 100%;
}

/* スライダー画像 */
.bxslider li {
    height: 100vh;
}

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

/* 右側：テキストエリア */
.visual_right {
    width: 50%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 60px;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
}

/* ヒーローコンテンツ - 新デザイン */
.hero_content { 
    max-width: 600px;
    width: 100%;
}

.hero_title {
    font-size: 4.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    letter-spacing: 0.05em;
    line-height: 1.3;
}

.hero_subtitle {
    font-size: 1.6rem;
    color: var(--accent-orange);
    margin-bottom: 40px;
    font-weight: 600;
    letter-spacing: 0.15em;
}

.hero_catch { 
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 30px;
}

.hero_text {
    font-size: 1.6rem;
    line-height: 2.0;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.hero_buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn_hero {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1.6rem;
    font-weight: 700;
    border-radius: 50px;
    transition: 0.3s;
    text-align: center;
    min-width: 180px;
}

.btn_primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    color: #fff;
}

.btn_primary:hover {
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
}

.btn_secondary {
    background: #fff;
    color: var(--accent-orange);
    border: 2px solid var(--accent-orange);
}

.btn_secondary:hover {
    background: var(--accent-orange);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
}

/* コンテンツエリア */
.content_wrapper { 
    position: relative; 
    z-index: 5; 
    background: transparent;
}

section { 
    padding: 100px 0; 
    background: rgba(255, 255, 255, 0.97);
    position: relative;
    z-index: 2;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
}

.inner { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 5%; 
}

.spacer { 
    height: 150px; 
    background: transparent;
    position: relative;
    z-index: 3;
}

/* 共通タイトル - より読みやすく */
.c-title { 
    font-size: 4.0rem; 
    text-align: center; 
    margin-bottom: 70px; 
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-bottom: 20px;
}
.c-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
}

.catch { 
    font-size: 2.2rem; 
    text-align: center; 
    margin-bottom: 50px; 
    line-height: 2.0;
    font-weight: 700;
    color: var(--text-dark);
}

.text { 
    font-size: 1.7rem; 
    line-height: 2.2; 
    text-align: center; 
    max-width: 900px; 
    margin: 0 auto 70px;
    color: var(--text-gray);
}

/* 画像リスト */
.img_list { 
    display: flex; 
    gap: 40px; 
    justify-content: center; 
    flex-wrap: wrap; 
}

.img_list li { 
    width: calc(33.333% - 27px); 
    min-width: 280px;
}



.img_wrap { 
    overflow: hidden; 
    margin-bottom: 20px; 
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
}

.img_wrap img { 
    transition: transform 0.4s ease; 
    display: block; 
    width: 100%; 
}

.img_wrap:hover { 
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.img_wrap:hover img { 
    transform: scale(1.1); 
}

.img_title { 
    font-size: 2.0rem; 
    font-weight: 900; 
    text-align: center;
    color: var(--accent-orange);
    margin-bottom: 12px;
}

.img_subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.6;
}

.img_desc {
    font-size: 1.5rem;
    line-height: 1.9;
    text-align: left;
    color: var(--text-gray);
    padding: 0 10px;
}

/* Upcoming Camp - 見やすく改善 */
.flex_box { 
    display: flex; 
    gap: 60px; 
    align-items: center; 
    max-width: 1000px; 
    margin: 0 auto;
    background: #f8f8f8;
    padding: 50px;
    border-radius: 15px;
}

.img_box { 
    flex: 1; 
    border-radius: 12px; 
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: all 0.4s ease;
}

.img_box:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.img_box img {
    transition: transform 0.4s ease;
    display: block;
    width: 100%;
}

.img_box:hover img {
    transform: scale(1.1);
}

.text_box { flex: 1; }

.date_title { 
    font-size: 1.5rem; 
    color: var(--accent-orange); 
    font-weight: 700; 
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

.date { 
    font-size: 3.5rem; 
    font-weight: 900; 
    margin-bottom: 25px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.date .day-label {
    font-size: 1.6rem;
    font-weight: 700;
    vertical-align: middle;
}

.detail { 
    font-size: 1.7rem; 
    line-height: 2.0;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.price {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--accent-orange);
    margin-bottom: 10px;
    margin-top: 20px;
}

.price_note {
    font-size: 1.5rem;
    color: var(--text-gray);
    font-weight: 500;
    line-height: 1.8;
}

/* スケジュールセクション */
.schedule_section {
    max-width: 1000px;
    margin: 60px auto 0;
    padding: 50px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.schedule_main_title {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--primary-green);
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--accent-orange);
}

.schedule_day {
    margin-bottom: 40px;
}

.schedule_day:last-child {
    margin-bottom: 0;
}

.schedule_day_title {
    font-size: 2.0rem;
    font-weight: 900;
    color: var(--accent-orange);
    margin-bottom: 25px;
    padding-left: 15px;
    border-left: 5px solid var(--accent-orange);
}

.schedule_list {
    list-style: none;
    padding: 0;
}

.schedule_list li {
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-dark);
    padding: 15px 20px;
    margin-bottom: 10px;
    background: #f8f8f8;
    border-radius: 8px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.schedule_list li:hover {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transform: translateX(5px);
}

.schedule_time {
    display: inline-block;
    font-weight: 900;
    color: var(--accent-orange);
    min-width: 70px;
    margin-right: 15px;
    font-size: 1.7rem;
}

/* Access - 見やすく改善 */
#access {
    background: rgba(248, 248, 248, 0.97);
}

.access_info { 
    max-width: 900px; 
    margin: 0 auto;
    background: #fff;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.access_info h3 { 
    font-size: 2.2rem; 
    margin-top: 40px; 
    margin-bottom: 20px; 
    font-weight: 900;
    color: var(--accent-orange);
}

.access_info h3:first-child {
    margin-top: 0;
}

.access_info p { 
    font-size: 1.7rem; 
    line-height: 2.0;
    color: var(--text-gray);
}

.map_container {
    margin-top: 50px;
    width: 100%;
    height: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.map_container iframe {
    width: 100%;
    height: 100%;
}

/* FAQ - 見やすく改善 */
.faq_list { 
    max-width: 900px; 
    margin: 0 auto 70px; 
}

.faq_item { 
    background: #f8f8f8;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq_question { 
    font-size: 1.8rem; 
    font-weight: 700; 
    padding: 25px 30px; 
    cursor: pointer; 
    position: relative;
    transition: 0.3s;
    color: var(--text-dark);
}

.faq_question:hover {
    background: #efefef;
}

.faq_question::after {
    content: '+'; 
    position: absolute; 
    right: 30px; 
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.8rem; 
    transition: 0.3s;
    color: var(--accent-orange);
    font-weight: 700;
}

.faq_item.active .faq_question::after { 
    content: '−'; 
}

.faq_answer { 
    display: none; 
    padding: 0 30px 25px 30px; 
    font-size: 1.6rem; 
    line-height: 2.0;
    color: var(--text-gray);
    background: #fff;
}

/* ボタン */
.btn_wrap { 
    text-align: center; 
    margin-top: 50px;
}

.btn_l { 
    display: inline-block; 
    padding: 20px 60px; 
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-yellow) 100%);
    color: #fff; 
    font-size: 1.8rem; 
    font-weight: 900; 
    border-radius: 50px; 
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.btn_l:hover { 
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.4);
}

/* フッター */
#footer { 
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
    color: #fff; 
    position: relative; 
    z-index: 10; 
}

.footer_content {
    padding: 60px 0 40px;
}

.footer_inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.footer_title {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 20px;
    color: #fff;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 10px;
}

.footer_text {
    font-size: 1.4rem;
    line-height: 1.9;
    opacity: 0.9;
}

.footer_address {
    font-size: 1.4rem;
    line-height: 2.0;
    opacity: 0.9;
}

.footer_contact_item {
    font-size: 1.4rem;
    line-height: 2.0;
    opacity: 0.9;
}

.footer_label {
    font-weight: 700;
    display: inline-block;
    min-width: 90px;
}

.footer_menu {
    list-style: none;
    padding: 0;
}

.footer_menu li {
    margin-bottom: 12px;
}

.footer_menu a {
    font-size: 1.4rem;
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
    opacity: 0.9;
    display: inline-block;
}

.footer_menu a:hover {
    opacity: 1;
    transform: translateX(5px);
    color: var(--accent-orange);
}

.footer_bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 25px 0;
    text-align: center;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .img_list li { 
        width: calc(50% - 20px); 
    }
    
    /* タブレットでのメインビジュアル調整 */
    .visual_right {
        padding: 60px 40px;
    }
    
    .hero_title {
        font-size: 3.8rem;
    }
    
    .hero_catch {
        font-size: 2.3rem;
    }
}

@media (max-width: 768px) {
    /* ヘッダー */
    #header { 
        height: 70px; 
    }
    
    .pc_nav, .header_btn { 
        display: none; 
    }
    
    .burger { 
        display: block; 
    }
    
    .header_logo img { 
        height: 50px; 
    }
    
    /* メインビジュアル - 縦積み */
    #main_visual {
        flex-direction: column;
        min-height: auto;
        margin-top: 70px;
    }
    
    .visual_left {
        width: 100%;
        height: 50vh;
        position: relative;
    }

    .visual_left::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.35) 100%);
        z-index: 1;
        pointer-events: none;
    }

    .bxslider,
    .bxslider li {
        height: 50vh;
    }

    /* モバイルでfixed背景が拡大するバグ対策 */
    .fixed_bg {
        background-attachment: scroll;
    }
    
    .visual_right {
        width: 100%;
        padding: 36px 20px 40px;
    }
    
    /* ヒーロー */
    .hero_title { 
        font-size: 3.2rem;
        margin-bottom: 12px;
    }
    
    .hero_subtitle {
        font-size: 1.4rem;
        margin-bottom: 30px;
    }
    
    .hero_catch { 
        font-size: 2.0rem; 
        margin-bottom: 25px;
    }
    
    .hero_text {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }
    
    .hero_buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn_hero {
        width: 100%;
        min-width: auto;
    }
    
    /* セクション */
    section { padding: 50px 0; }
    .c-title { font-size: 3.0rem; margin-bottom: 35px; }
    .catch { font-size: 1.8rem; margin-bottom: 25px; }
    .text { font-size: 1.5rem; margin-bottom: 35px; }
    
    /* 画像リスト */
    .img_list { gap: 16px; }
    .img_list li { width: 100%; min-width: auto; }
    .img_subtitle { font-size: 1.5rem; }
    .img_desc { font-size: 1.4rem; }
    
    /* Upcoming Camp */
    .flex_box { 
        flex-direction: column; 
        padding: 25px 18px;
        gap: 24px;
    }
    .date { font-size: 2.8rem; }
    .date .day-label { font-size: 1.3rem; }
    .price { font-size: 2.2rem; }
    .price_note { font-size: 1.4rem; }
    
    /* スケジュール - モバイル対応 */
    .schedule_section {
        padding: 25px 16px;
        margin-top: 25px;
    }
    
    .schedule_main_title {
        font-size: 1.9rem;
        margin-bottom: 30px;
        padding-bottom: 15px;
    }
    
    .schedule_day {
        margin-bottom: 35px;
    }
    
    .schedule_day_title {
        font-size: 1.7rem;
        margin-bottom: 20px;
        padding-left: 12px;
        border-left: 4px solid var(--accent-orange);
    }
    
    .schedule_list li {
        font-size: 1.4rem;
        padding: 12px 15px;
        margin-bottom: 8px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .schedule_time {
        min-width: auto;
        margin-right: 0;
        margin-bottom: 5px;
        font-size: 1.5rem;
    }
    
    /* Access */
    .access_info { padding: 25px 18px; }
    .map_container { height: 250px; margin-top: 30px; }
    
    /* FAQ */
    .faq_list { margin-bottom: 35px; }
    .faq_question { 
        font-size: 1.6rem; 
        padding: 20px 25px;
        padding-right: 50px;
    }
    .faq_answer { 
        font-size: 1.5rem; 
        padding: 0 25px 20px 25px;
    }
    
    /* ボタン */
    .btn_l { 
        font-size: 1.6rem;
        padding: 18px 50px;
    }
    .btn_wrap { margin-top: 30px; }
    
    /* フッター - モバイル対応 */
    .footer_inner {
        grid-template-columns: 1fr;
        gap: 35px;
    }
    
    .footer_title {
        font-size: 1.6rem;
    }
    
    .footer_text,
    .footer_address,
    .footer_contact_item,
    .footer_menu a {
        font-size: 1.3rem;
    }

    /* スペーサー縮小 */
    .spacer {
        height: 60px;
    }
    .footer_content { padding: 36px 0 24px; }
}

/* ============================================
   ファーストビュー アニメーション（ページロード時）
   ============================================ */

@keyframes heroSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ヒーローテキスト：順番に下から */
.hero_title {
    animation: heroSlideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

.hero_subtitle {
    animation: heroSlideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.55s both;
}

.hero_catch {
    animation: heroSlideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.7s both;
}

.hero_text {
    animation: heroSlideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.85s both;
}

.hero_buttons {
    animation: heroSlideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 1.0s both;
}

/* ============================================
   スクロールアニメーション（Intersection Observer）
   ============================================ */

/* 初期非表示 */
.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 表示状態（JSが .is-visible を付与） */
.anim-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* モーション軽減対応 */
@media (prefers-reduced-motion: reduce) {
    .anim-fade-up,
    .hero_title,
    .hero_subtitle,
    .hero_catch,
    .hero_text,
    .hero_buttons,
    #main_visual .visual_left {
        animation: none;
        opacity: 1;
        transform: none;
        transition: none;
    }
}