/* styles.css */
/* Tango ホームページ 共通スタイル */

/* ===== リセット & CSS変数 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    /* クリムゾン（メインカラー） */
    --crimson:       #8B2635;
    --crimson-light: #A63446;
    --crimson-pale:  #F9EEF0;

    /* ネイビー（第3カラー: アプリのprimaryColorに一致） */
    --navy:          #04335F;
    --navy-mid:      #1565C0;
    --navy-pale:     #EBF0F8;

    /* デモフォン専用カラー（アプリの実カラーに一致） */
    --demo-blue:     #1E88E5;   /* blue[600]: Add to deckボタン・スピーカーアイコン */
    --demo-blue-bg:  #E3F2FD;   /* blue[50]: デッキ追加エリア背景 */
    --demo-blue-bdr: #BBDEFB;   /* blue[100]: デッキ追加エリアボーダー */
    --demo-nav-act:  #6750A4;   /* Flutter M3 NavigationBar選択色 */
    --demo-amber-bg: #FFF8E1;   /* amber[50]: ヒントボックス背景 */
    --demo-amber-bdr:#FFE082;   /* amber[200]: ヒントボックスボーダー */
    --demo-amber-txt:#92400E;   /* amber[900]: ヒントテキスト */
    --demo-amber-ico:#F59E0B;   /* amber[500]: ヒントアイコン */

    /* 共通 */
    --bg:            #F5F5F5;
    --white:         #FFFFFF;
    --text:          #212121;
    --text-light:    #757575;
    --border:        #E0E0E0;
    --secondary:     #C4A6A6;
    --accent:        #D4707A;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }


/* ===== ナビゲーション ===== */
.navbar {
    position: sticky; top: 0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center;
}

/* ロゴ画像 */
.logo-link { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img { height: 40px; width: auto; display: block; }

.nav-menu { display: flex; gap: 32px; }
.nav-menu a {
    color: var(--text); text-decoration: none;
    font-weight: 500; font-size: 15px;
    transition: color 0.3s;
}
.nav-menu a:hover { color: var(--crimson); }

.nav-right { display: flex; align-items: center; gap: 16px; }

.language-dropdown {
    padding: 8px 12px;
    border: 2px solid var(--crimson);
    border-radius: 24px;
    background: var(--white); color: var(--crimson);
    font-weight: 600; cursor: pointer; font-size: 14px;
    transition: all 0.3s;
}
.language-dropdown:hover { background: var(--crimson); color: var(--white); }


/* ===== ボタン共通 ===== */
.btn-primary, .btn-outline, .btn-primary-white, .btn-hero {
    display: inline-block; padding: 12px 32px;
    border-radius: 50px; text-decoration: none;
    font-weight: 600; font-size: 15px;
    transition: all 0.3s; border: 2px solid transparent;
    cursor: pointer; text-align: center;
}

.btn-primary { background: var(--crimson); color: var(--white); }
.btn-primary:hover {
    background: var(--crimson-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139,38,53,0.3);
}

.btn-outline { background: transparent; color: var(--crimson); border-color: var(--crimson); display: block; }
.btn-outline:hover { background: var(--crimson); color: var(--white); transform: translateY(-2px); }

.btn-primary-white { background: var(--white); color: var(--crimson); display: block; }
.btn-primary-white:hover { background: var(--bg); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

.btn-hero {
    background: var(--white); color: var(--crimson);
    padding: 16px 40px; font-size: 16px;
    display: inline-flex; align-items: center; gap: 12px;
}
.btn-hero svg { width: 22px; height: 22px; fill: var(--crimson); flex-shrink: 0; }
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.2); }


/* ===== ヒーローセクション ===== */
.hero {
    position: relative;
    min-height: 90vh; display: flex; align-items: center;
    overflow: hidden; padding: 80px 0;
}

.hero-background {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--crimson) 0%, var(--crimson-light) 45%, var(--navy) 100%);
    z-index: -1;
}

/* ドットテクスチャ */
.hero-background::before {
    content: '';
    position: absolute; inset: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

/* 2カラムレイアウト */
.hero-inner {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center; width: 100%;
}

.hero-text { color: var(--white); }

.hero-title {
    font-size: clamp(30px, 4.5vw, 50px);
    font-weight: 800; line-height: 1.2;
    margin-bottom: 24px; letter-spacing: -1px;
}

.hero-subtitle {
    font-size: clamp(15px, 1.8vw, 18px);
    margin-bottom: 40px; opacity: 0.95; line-height: 1.7;
}
.hero-subtitle em { font-style: italic; }

.hero-buttons { margin-bottom: 16px; }
.hero-note { font-size: 13px; opacity: 0.75; margin-top: 12px; }

.hero-demo { display: flex; flex-direction: column; align-items: center; position: relative; }


/* ===== フォンモックアップ ===== */
.phone-frame {
    width: 272px;
    background: #1a1a1a;
    border-radius: 44px;
    padding: 18px 14px 0 14px;
    box-shadow: 0 0 0 2px #333, 0 40px 80px rgba(0,0,0,0.5), 0 20px 40px rgba(0,0,0,0.25);
    position: relative;
}

.phone-notch {
    width: 80px; height: 22px;
    background: #1a1a1a;
    border-radius: 0 0 16px 16px;
    margin: 0 auto 8px;
}

/* フォン画面: flexで縦積み（コンテンツ＋ボトムナビ） */
.phone-screen {
    background: var(--white);
    border-radius: 28px 28px 0 0;
    height: 490px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* コンテンツエリア: ホーム・検索画面を絶対配置で切り替え */
.demo-content-area {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* 共通: 両画面は絶対配置でコンテンツエリアを埋める */
.demo-screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: var(--white);
}

/* JS実行前の初期表示状態の設定 */
.demo-home-screen   { display: flex; }  /* ホームはデフォルト表示 */
.demo-search-screen { display: none; }  /* 検索画面はデフォルト非表示 */

/* ----- ホーム画面 ----- */
.demo-home-top {
    display: flex;
    justify-content: flex-end;
    padding: 10px 14px 0;
}

.demo-avatar-circle {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--crimson), var(--navy));
    border: 2px solid #ddd;
}

.demo-home-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    padding: 0 20px 16px;
}

/* アプリ内と同じロゴを表示 */
.demo-app-logo {
    width: 168px;
    height: auto;
}

.demo-home-input {
    width: 100%;
    display: flex; align-items: center; gap: 8px;
    background: var(--white);
    border: 1.5px solid #E0E0E0;
    border-radius: 50px;
    padding: 10px 18px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    transition: border-color 0.25s, box-shadow 0.25s;
}

/* タイピング中: アプリのフォーカス状態（青いボーダー＋グロー） */
.demo-home-input.active {
    border-color: rgba(33, 150, 243, 0.6);
    border-width: 2px;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.12), 0 2px 8px rgba(0,0,0,0.08);
}

.demo-home-search-icon { width: 15px; height: 15px; color: #9E9E9E; flex-shrink: 0; }

/* 入力テキストエリア（タイプ済み文字＋カーソル＋プレースホルダーをflex配置） */
.demo-home-input-inner {
    flex: 1;
    display: flex; align-items: center;
    min-width: 0; overflow: hidden;
}

/* タイピング中に追加される文字 */
.demo-home-typed { font-size: 13px; color: var(--text); }

/* ホーム画面のカーソル（初期は非表示） */
.demo-home-cursor {
    font-size: 13px; color: var(--demo-blue);
    animation: blink 1s step-end infinite;
    display: none; /* JSで表示制御 */
    line-height: 1;
}

@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

.demo-home-placeholder { font-size: 13px; color: #9E9E9E; }


/* ----- 検索・結果画面 ----- */
.demo-search-topbar {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--white);
}

.demo-back-btn {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: #F5F5F5;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; color: #616161;
}
.demo-back-btn i { width: 14px; height: 14px; }

/* 改善版検索バー: アプリのフォーカス状態に忠実に（青ボーダー＋グロー） */
.demo-search-pill {
    flex: 1;
    display: flex; align-items: center; gap: 6px;
    background: var(--white);
    border: 2px solid rgba(33, 150, 243, 0.55);
    border-radius: 28px;
    padding: 7px 6px 7px 10px;
    box-shadow: 0 2px 12px rgba(33, 150, 243, 0.18), 0 1px 4px rgba(0,0,0,0.05);
}

.demo-pill-icon { width: 13px; height: 13px; color: #757575; flex-shrink: 0; }

/* 検索テキスト（画面遷移後に完成クエリを一括セット・タイピングなし） */
.demo-search-text {
    font-size: 12px; color: var(--text);
    flex: 1; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}

/* ×クリアボタン（アプリUIに合わせて追加） */
.demo-clear-btn {
    background: none; border: none; cursor: pointer;
    color: #9E9E9E; padding: 0; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    width: 18px; height: 18px;
    border-radius: 50%;
    transition: background 0.2s;
}
.demo-clear-btn:hover { background: #F0F0F0; }
.demo-clear-btn i { width: 12px; height: 12px; }

.demo-go-btn {
    width: 28px; height: 28px;
    background: var(--demo-blue);
    border: none; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; color: var(--white); cursor: pointer;
}
.demo-go-btn i { width: 13px; height: 13px; }

/* 結果スクロールエリア */
.demo-results-area {
    flex: 1;
    overflow-y: auto; overflow-x: hidden;
    padding: 10px;
    display: flex; flex-direction: column; gap: 8px;
    scrollbar-width: none;
}
.demo-results-area::-webkit-scrollbar { display: none; }

/* ローディングドット */
.demo-loading {
    display: flex; justify-content: center;
    padding: 16px 0;
    opacity: 0; transition: opacity 0.3s;
}
.demo-loading.visible { opacity: 1; }

.demo-dots { display: flex; gap: 6px; align-items: center; }
.demo-dots span {
    width: 7px; height: 7px;
    background: var(--crimson); border-radius: 50%;
    animation: dotBounce 1.2s ease-in-out infinite;
}
.demo-dots span:nth-child(2) { animation-delay: 0.2s; }
.demo-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotBounce { 0%,80%,100%{transform:scale(0.6);opacity:0.4;} 40%{transform:scale(1);opacity:1;} }

/* 結果コンテナ（フェードイン） */
.demo-result-container {
    display: flex; flex-direction: column; gap: 8px;
    opacity: 0; transform: translateY(8px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.demo-result-container.visible { opacity: 1; transform: translateY(0); }

/* 単語カード */
.demo-result-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 12px 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}

.demo-result-top-row {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 8px;
}

.demo-word-block { flex: 1; }

.demo-word {
    font-size: 24px; font-weight: 700;
    color: var(--text); line-height: 1.2; letter-spacing: -0.5px;
}

.demo-reading { font-size: 11px; color: #757575; margin-top: 2px; }

.demo-result-icons { display: flex; gap: 10px; align-items: center; padding-top: 4px; }

.demo-icon-btn { width: 16px; height: 16px; color: #9E9E9E; }
.demo-icon-blue { color: var(--demo-blue) !important; }

.demo-def-text {
    font-size: 12px; color: #424242;
    line-height: 1.55; margin-bottom: 8px;
    padding-bottom: 8px; border-bottom: 1px solid #F0F0F0;
}

/* 使い方ヒントボックス（アプリのオレンジボックスそのまま） */
.demo-hint-box {
    background: var(--demo-amber-bg);
    border: 1px solid var(--demo-amber-bdr);
    border-radius: 8px;
    padding: 7px 10px;
    display: flex; gap: 6px; align-items: flex-start;
    margin-bottom: 8px;
}
.demo-hint-icon { width: 13px; height: 13px; color: var(--demo-amber-ico); flex-shrink: 0; margin-top: 1px; }
.demo-hint-text { font-size: 10.5px; color: var(--demo-amber-txt); line-height: 1.45; }

.demo-examples-label { font-size: 11px; color: #757575; margin-bottom: 4px; }

.demo-example-row {
    display: flex; align-items: flex-start; gap: 5px;
}
.demo-example-num { font-size: 11px; color: #9E9E9E; flex-shrink: 0; margin-top: 1px; }
.demo-example-sentence { font-size: 11.5px; color: #424242; flex: 1; line-height: 1.45; }
.demo-example-icons { display: flex; gap: 6px; flex-shrink: 0; }
.demo-example-icon { width: 13px; height: 13px; color: #9E9E9E; }

/* デッキ追加エリア（アプリのblue[50]背景そのまま） */
.demo-add-to-deck {
    background: var(--demo-blue-bg);
    border: 1px solid var(--demo-blue-bdr);
    border-radius: 16px;
    padding: 10px 12px;
}

.demo-deck-label-row {
    display: flex; align-items: center; gap: 5px; margin-bottom: 7px;
}
.demo-deck-label-icon { width: 13px; height: 13px; color: var(--demo-blue); }
.demo-deck-label-text { font-size: 11.5px; font-weight: 600; color: #1565C0; }

.demo-deck-dropdown {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px; padding: 7px 10px; margin-bottom: 7px;
}
.demo-deck-dropdown span { font-size: 12px; color: #424242; }
.demo-chevron-icon { width: 13px; height: 13px; color: #9E9E9E; }

/* デッキ追加ボタン（アプリのblue[600]そのまま） */
.demo-add-btn {
    display: flex; align-items: center; justify-content: center; gap: 5px;
    background: var(--demo-blue); color: var(--white);
    border: none; border-radius: 8px;
    padding: 9px; width: 100%;
    font-size: 12px; font-weight: 600; cursor: pointer;
    transition: background 0.2s;
}
.demo-add-btn:hover { background: #1976D2; }
.demo-add-btn i { width: 13px; height: 13px; }

/* ボトムナビ（アプリ忠実再現） */
.demo-bottom-nav {
    height: 52px; flex-shrink: 0;
    border-top: 1px solid var(--border);
    display: flex; background: var(--white);
}
.demo-nav-item {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 2px; color: #9E9E9E;
}
.demo-nav-item i { width: 17px; height: 17px; }
.demo-nav-item span { font-size: 9.5px; }
/* 選択中のアイテム（FlutterのM3デフォルト紫） */
.demo-nav-active { color: var(--demo-nav-act) !important; }

.phone-shadow {
    width: 200px; height: 18px;
    background: rgba(0,0,0,0.3);
    border-radius: 50%; filter: blur(12px);
    margin-top: -4px;
}


/* ===== セクション共通 ===== */
section { padding: 100px 0; }

.section-title {
    font-size: clamp(26px, 3.5vw, 42px);
    font-weight: 800; text-align: center;
    color: var(--crimson); margin-bottom: 16px;
}
.section-title.left-align { text-align: left; }

.section-subtitle {
    font-size: 18px; text-align: center;
    color: var(--text-light); margin-bottom: 60px;
}
.section-subtitle.left-align { text-align: left; margin-bottom: 16px; }


/* ===== 機能セクション ===== */
.features { background: var(--white); }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg); padding: 40px;
    border-radius: 24px; transition: all 0.3s;
    border: 2px solid transparent;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }

/* アイコンのベーススタイル */
.feature-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px;
}
.feature-icon i { width: 26px; height: 26px; }

/* Crimsonアイコン */
.icon-crimson { background: rgba(139,38,53,0.1); }
.icon-crimson i { color: var(--crimson); }
.feature-card:hover .icon-crimson { background: rgba(139,38,53,0.15); }

/* Navyアイコン */
.icon-navy { background: rgba(4,51,95,0.1); }
.icon-navy i { color: var(--navy); }
.feature-card:hover .icon-navy { background: rgba(4,51,95,0.15); }

.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--crimson); margin-bottom: 12px; }
.feature-card p { color: var(--text-light); line-height: 1.7; font-size: 15px; }


/* ===== 使い方セクション ===== */
.how-it-works { background: var(--bg); }

.steps { max-width: 900px; margin: 0 auto; }

.step { display: flex; gap: 48px; margin-bottom: 64px; align-items: center; }
.step-reverse { flex-direction: row-reverse; }

.step-number {
    width: 80px; height: 80px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 36px; font-weight: 700;
    color: var(--white); flex-shrink: 0;
}
/* ステップカラー交互 */
.step-crimson { background: var(--crimson); box-shadow: 0 4px 20px rgba(139,38,53,0.3); }
.step-navy    { background: var(--navy);    box-shadow: 0 4px 20px rgba(4,51,95,0.3); }

.step-content h3 { font-size: 24px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.step-content p { color: var(--text-light); font-size: 16px; line-height: 1.7; }


/* ===== コミュニティデッキ ===== */
.community { background: var(--white); }

.community-inner {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center;
}

.community-desc { color: var(--text); line-height: 1.8; font-size: 16px; margin-bottom: 16px; }
.community-note { font-size: 13px; color: var(--text-light); font-style: italic; }

.community-visual { position: relative; height: 280px; }

.deck-card {
    position: absolute;
    background: var(--white); border: 2px solid var(--border);
    border-radius: 18px; padding: 18px 22px; width: 230px;
    display: flex; flex-direction: column; gap: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}
.deck-card i { width: 22px; height: 22px; }
.deck-card span { font-weight: 700; font-size: 14px; color: var(--text); }
.deck-card small { font-size: 12px; color: var(--text-light); }

/* デッキカードのアイコンカラー */
.deck-icon-crimson { color: var(--crimson); }
.deck-icon-navy    { color: var(--navy); }

.deck-card-1 { top: 0;    left: 0;   z-index: 3; transform: rotate(-3deg); }
.deck-card-2 { top: 60px; left: 50px; z-index: 2; transform: rotate(1deg); border-color: var(--navy); }
.deck-card-3 { top: 120px; left: 20px; z-index: 1; transform: rotate(-1.5deg); }

.community-visual:hover .deck-card-1 { transform: rotate(-3deg) translateY(-4px); }
.community-visual:hover .deck-card-2 { transform: rotate(1deg) translateY(-4px); }
.community-visual:hover .deck-card-3 { transform: rotate(-1.5deg) translateY(-4px); }


/* ===== 料金セクション ===== */
.pricing { background: var(--bg); }

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px; max-width: 800px; margin: 0 auto 32px;
}

.pricing-card {
    background: var(--white); border: 2px solid var(--border);
    border-radius: 24px; padding: 40px;
    transition: all 0.3s; position: relative;
}

.pricing-card.featured {
    background: var(--crimson); border-color: var(--crimson);
    transform: scale(1.03);
    box-shadow: 0 12px 40px rgba(139,38,53,0.3);
}

/* featuredカード内を全て白テキストに */
.pricing-card.featured h3,
.pricing-card.featured .price,
.pricing-card.featured .price-currency,
.pricing-card.featured .price-amount,
.pricing-card.featured .price-period,
.pricing-card.featured .pricing-features li,
.pricing-card.featured .price-regional-note { color: var(--white) !important; }
.pricing-card.featured .pricing-features li { border-color: rgba(255,255,255,0.2) !important; }

.badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--navy);
    color: var(--white); padding: 5px 20px;
    border-radius: 20px; font-size: 12px; font-weight: 700;
    letter-spacing: 0.5px; white-space: nowrap;
}

.pricing-header h3 { font-size: 22px; font-weight: 700; color: var(--crimson); margin-bottom: 16px; }

.price { display: flex; align-items: baseline; gap: 2px; margin-bottom: 4px; }
.price-currency { font-size: 20px; font-weight: 700; color: var(--crimson); }
.price-amount { font-size: 48px; font-weight: 800; color: var(--crimson); line-height: 1; }
.price-period { font-size: 15px; color: var(--text-light); margin-left: 4px; }

.price-regional-note {
    font-size: 13px; color: var(--text-light);
    margin-bottom: 8px; line-height: 1.5;
    display: none; font-style: italic;
}

.pricing-features { list-style: none; margin: 20px 0 32px; }
.pricing-features li {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 0; color: var(--text); font-size: 14px;
    border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li i { width: 16px; height: 16px; color: var(--crimson); flex-shrink: 0; }
.pricing-card.featured .pricing-features li i { color: var(--white) !important; }

.pricing-note { text-align: center; color: var(--text-light); font-size: 14px; }


/* ===== お問い合わせ ===== */
.contact { background: var(--white); text-align: center; }

.contact-info {
    display: inline-block; margin-top: 32px;
    padding: 28px 48px; background: var(--bg);
    border-radius: 20px; border: 2px solid var(--navy);
    font-size: 16px;
}
.contact-info strong { color: var(--navy); margin-right: 8px; }
.contact-info a { color: var(--text); text-decoration: none; }
.contact-info a:hover { color: var(--navy); text-decoration: underline; }


/* ===== フッター ===== */
.footer { background: var(--text); color: var(--white); padding: 80px 0 40px; }

.footer-content {
    display: grid; grid-template-columns: 2fr 3fr;
    gap: 60px; margin-bottom: 40px;
}

/* フッターロゴ（暗い背景でも映えるよう若干明るく） */
.footer-logo-img {
    height: 36px; width: auto;
    display: block; margin-bottom: 16px;
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.2));
}

.footer-brand p { color: rgba(255,255,255,0.65); font-size: 14px; }

.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 40px; }

.footer-column h4 {
    font-weight: 700; margin-bottom: 20px;
    color: var(--white); font-size: 14px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.footer-column a {
    display: block; color: rgba(255,255,255,0.65);
    text-decoration: none; margin-bottom: 12px;
    font-size: 14px; transition: color 0.3s;
}
.footer-column a:hover { color: var(--accent); }

.footer-bottom {
    text-align: center; padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.45); font-size: 13px;
}


/* ===== 法的ページ ===== */
.legal-page-nav {
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 14px 0; position: sticky; top: 0; z-index: 100;
}

.legal-back-link {
    color: var(--text-light); text-decoration: none;
    font-size: 14px; display: flex; align-items: center; gap: 6px;
    transition: color 0.3s;
}
.legal-back-link:hover { color: var(--navy); }
.legal-back-link i { width: 16px; height: 16px; }

.legal-section { background: var(--white); padding: 80px 0 100px; }
.legal-content { max-width: 800px; margin: 0 auto; }

.legal-content h1 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; color: var(--crimson); margin-bottom: 8px; }
.legal-content .last-updated { font-size: 14px; color: var(--text-light); margin-bottom: 48px; }
.legal-content .intro { font-size: 16px; color: var(--text-light); line-height: 1.8; margin-bottom: 48px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.legal-content h2 { font-size: 22px; font-weight: 700; color: var(--navy); margin-top: 48px; margin-bottom: 16px; }
.legal-content h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-top: 28px; margin-bottom: 12px; }
.legal-content p { color: var(--text); line-height: 1.85; margin-bottom: 16px; font-size: 15px; }
.legal-content ul { margin: 12px 0 20px 24px; }
.legal-content li { color: var(--text); line-height: 1.8; margin-bottom: 8px; font-size: 15px; }

.legal-contact-box {
    background: var(--navy-pale); padding: 24px 28px;
    border-radius: 16px; border-left: 4px solid var(--navy); margin: 32px 0;
}
.legal-contact-box a { color: var(--navy); text-decoration: none; font-weight: 600; }
.legal-contact-box a:hover { text-decoration: underline; }

/* 商取引法テーブル */
.commerce-table { width: 100%; border-collapse: collapse; margin: 16px 0 32px; }
.commerce-table th, .commerce-table td {
    padding: 16px 20px; text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 15px; line-height: 1.7; vertical-align: top;
}
.commerce-table th {
    background: var(--bg); font-weight: 700;
    color: var(--navy); width: 35%; white-space: nowrap;
}
.commerce-table td { color: var(--text); }

.legal-footer {
    background: var(--text); color: rgba(255,255,255,0.55);
    padding: 32px 0; text-align: center; font-size: 13px;
}
.legal-footer a {
    color: rgba(255,255,255,0.65); text-decoration: none;
    margin: 0 12px; transition: color 0.3s;
}
.legal-footer a:hover { color: var(--accent); }


/* ===== フェードインアニメーション ===== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }


/* ===== レスポンシブ ===== */
@media (max-width: 1024px) {
    .step, .step-reverse { flex-direction: column !important; text-align: center; }
}

@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-buttons { display: flex; justify-content: center; }
    .hero-demo { order: 2; }
    .community-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .hero { padding: 60px 0; min-height: auto; }
    .features-grid, .pricing-cards { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: scale(1); }
    .footer-content { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; }

    /* 商取引法テーブルをモバイルで縦並び */
    .commerce-table, .commerce-table tbody,
    .commerce-table tr, .commerce-table th, .commerce-table td {
        display: block; width: 100%;
    }
    .commerce-table th { padding-bottom: 4px; border-bottom: none; white-space: normal; }
    .commerce-table td { padding-top: 4px; padding-bottom: 16px; }
}