@charset "UTF-8";

/* =========================================
   白銀比 (1 : 1.414) 変数定義
   Base: 14px を基準にスケーリング
   ========================================= */
:root {
    --font-small: 14px;
    --font-p: 20px;     /* 14 * 1.414 = 19.79 */
    --font-h3: 28px;    /* 20 * 1.414 = 28.28 */
    --font-h2: 40px;    /* 28 * 1.414 = 39.59 */
    
    --space-small: 14px;
    --space-mid: 20px;
    --space-large: 28px;
    --space-xl: 40px;
    --space-xxl: 56px;  /* 40 * 1.414 */

    --primary: #b30000;
    --accent: #c5a059;
    --gold-glow: #ffd700;
    --bg-dark: #050505;
    --bg-card: rgba(20, 20, 20, 0.85);
    --text-mute: #aaa;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, sans-serif;
    background-color: var(--bg-dark);
    /* 背景画像を暗く敷く（2.jpg） */
    background-image: linear-gradient(rgba(0,0,0,0.92), rgba(0,0,0,0.92)), url('../images/2.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    color: #f0f0f0;
    
    font-size: var(--font-p); 
    line-height: 1.6; 
    letter-spacing: 0.03em;
    padding-bottom: 160px; /* Floating CTA用 */
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: opacity 0.3s; }
a:hover { opacity: 0.8; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 500px; /* モバイル特化・縦長意識 */
    margin: 0 auto;
    padding: 0 var(--space-large);
}

/* ユーティリティ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-accent { color: var(--accent); }
.text-red { color: #ff4d4d; }
.text-white { color: #fff; }
.text-mute { color: var(--text-mute); }
.bold { font-weight: 700; }
.u-line { text-decoration: underline; }
.mt-20 { margin-top: var(--space-mid); }
.mt-28 { margin-top: var(--space-large); }
.mt-40 { margin-top: var(--space-xl); }
.mb-20 { margin-bottom: var(--space-mid); }
.mb-28 { margin-bottom: var(--space-large); }
.mb-40 { margin-bottom: var(--space-xl); }
.text-p { font-size: var(--font-p); }
.text-h3 { font-size: var(--font-h3); }
.text-small { font-size: var(--font-small); }
.line-height-large { line-height: 1.8; }
.text-shadow { text-shadow: 0 2px 5px rgba(0,0,0,0.8); }
.marker-red { background: linear-gradient(transparent 60%, rgba(255, 0, 0, 0.5) 60%); }

/* Typography */
h1 { font-size: var(--font-h2); line-height: 1.3; font-feature-settings: "palt"; letter-spacing: 0.02em; }
h2.section-title { font-size: var(--font-h2); line-height: 1.3; }
h3 { font-size: var(--font-h3); line-height: 1.4; }
p { font-size: var(--font-p); }

/* =========================================
   各セクション
   ========================================= */
/* FV */
.hero {
    position: relative;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.95)), url('../images/1.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 0 var(--space-xl);
    text-align: center;
}
.hero h1 { font-weight: 900; text-shadow: 0 5px 20px rgba(0,0,0,1); margin-bottom: var(--space-large); }
.hero p { color: #fff; text-shadow: 0 3px 10px rgba(0,0,0,1); margin-bottom: var(--space-xl); font-weight: 600; }
.tagline {
    display: inline-block;
    background: rgba(0,0,0,0.9);
    color: var(--accent);
    padding: var(--space-small) var(--space-large);
    font-size: var(--font-small);
    margin-bottom: var(--space-large);
    border: 1px solid var(--accent);
    font-weight: bold;
    box-shadow: 0 0 10px rgba(0,0,0,0.8);
}

/* トラスト（権威性） */
.trust-section {
    background-color: #0a0a0a;
    padding: var(--space-xxl) 0;
    border-top: 1px solid #222;
    border-bottom: 1px solid #222;
}
.trust-box {
    background: rgba(20, 20, 20, 0.9);
    border: 1px dashed #444;
    padding: var(--space-large);
    border-radius: 8px;
    margin-top: var(--space-large);
    color: #ccc;
}

/* プロブレム */
.problem { padding: var(--space-xxl) 0; }
.problem-box {
    background-color: var(--bg-card);
    padding: var(--space-xl) var(--space-large);
    border-radius: 12px;
    border-left: 8px solid #555;
    backdrop-filter: blur(5px);
}

/* 解決策・証拠 */
.solution, .evidence {
    background: rgba(0,0,0,0.6);
    padding: var(--space-xxl) 0;
}
.feature { margin-bottom: var(--space-xxl); }
.mockup-img { position: relative; width: 100%; box-shadow: 0 10px 30px rgba(0,0,0,0.8); }
.trigger-badge {
    background: var(--accent);
    color: #000;
    font-size: var(--font-small);
    font-weight: 900;
    padding: 5px 15px;
    border-radius: 4px;
    vertical-align: middle;
    margin-right: 10px;
    display: inline-block;
    margin-bottom: 10px;
}
.logic-text { color: var(--text-mute); font-weight: 500; }

.voice-card {
    background-color: var(--bg-card);
    padding: var(--space-xl) var(--space-large);
    border: 1px solid #444;
    border-radius: 15px;
    position: relative;
}
.voice-card::before {
    content: "\f10d";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: var(--font-h2);
    background: #000;
    padding: 0 15px;
    color: var(--accent);
    border-radius: 50%;
}

/* ボトムFV */
.final-cta-section {
    position: relative;
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.95)), url('../images/5.jpg');
    background-size: cover;
    background-position: center center; 
    padding: 120px 0 150px;
    text-align: center;
    border-top: 3px solid var(--primary);
}
.alert-box {
    border: 3px solid var(--accent);
    padding: var(--space-large);
    background: rgba(0,0,0,0.85);
}

/* =========================================
   ボタン & ギミック UI
   ========================================= */
.btn-main, .btn-float {
    display: block;
    width: 100%;
    margin: 0 auto;
    background: linear-gradient(135deg, #cc0000, #800000);
    color: #fff;
    font-size: var(--font-h3);
    font-weight: 900;
    border-radius: 10px;
    text-align: center;
    position: relative;
    overflow: hidden;
    line-height: 1.2;
    transition: all 0.5s ease;
}
.btn-main {
    max-width: 400px;
    padding: var(--space-large) var(--space-small);
    box-shadow: 0 10px 30px rgba(180, 0, 0, 0.5);
    border: 2px solid #ff3333;
}
.btn-float {
    max-width: 500px;
    padding: var(--space-mid) 0;
    box-shadow: 0 0 20px rgba(179, 0, 0, 0.6);
    border: 1px solid #ff4d4d;
}
.sub-text-btn {
    font-size: var(--font-small);
    display: block;
    font-weight: normal;
    margin-top: 5px;
    opacity: 0.9;
}

.btn-main::after, .btn-float::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}
@keyframes shine {
    0% { left: -50%; } 20% { left: 100%; } 100% { left: 100%; }
}

/* スクロール検問 */
.scroll-barrier { margin-top: 50px; padding: var(--space-mid) 0; font-size: var(--font-small); color: #ccc; }
.barrier-text { font-weight: bold; text-shadow: 0 2px 4px rgba(0,0,0,1); margin-bottom: 15px; }
.scroll-arrow span {
    display: block; width: 25px; height: 25px;
    border-bottom: 3px solid var(--accent);
    border-right: 3px solid var(--accent);
    transform: rotate(45deg); margin: -10px auto;
    animation: scroll 2s infinite;
}
.scroll-arrow span:nth-child(2) { animation-delay: .2s; }
.scroll-arrow span:nth-child(3) { animation-delay: .4s; }
@keyframes scroll {
    0% { opacity: 0; transform: rotate(45deg) translate(-10px, -10px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(10px, 10px); }
}

/* フローティングバー */
.float-bar {
    position: fixed; bottom: 0; left: 0; width: 100%;
    background: rgba(10, 0, 0, 0.98);
    border-top: 4px solid var(--primary);
    padding: var(--space-mid) 15px var(--space-large);
    z-index: 9999;
    transform: translateY(150%);
    transition: transform 0.4s ease-out;
    box-shadow: 0 -10px 50px rgba(0,0,0,1);
}
.float-bar.is-visible { transform: translateY(0); }
.float-msg {
    font-size: var(--font-small); color: var(--accent); font-weight: bold;
    background: rgba(0,0,0,0.5); display: inline-block;
    padding: 5px 10px; border-radius: 4px; margin-bottom: 12px;
}

/* ジャックポットエフェクト (3000pt) */
#flash-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, #fff, #ffd700);
    z-index: 10000; opacity: 0; pointer-events: none;
    transition: opacity 0.5s ease-out;
}
#flash-overlay.active { animation: flashAnim 0.8s ease-out forwards; }
@keyframes flashAnim { 0% { opacity: 0; } 10% { opacity: 0.9; } 100% { opacity: 0; } }

#unlock-modal {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.5);
    background: rgba(0,0,0,0.9);
    border: 4px solid var(--gold-glow);
    padding: var(--space-xl); border-radius: 15px;
    z-index: 10001; text-align: center; opacity: 0; pointer-events: none;
}
#unlock-modal.active { animation: popIn 2.5s ease forwards; }
@keyframes popIn {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    10% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
    20% { transform: translate(-50%, -50%) scale(1); }
    80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.2); }
}
.unlock-icon { font-size: 60px; color: var(--gold-glow); display: block; margin-bottom: 10px; }
.unlock-text { font-size: var(--font-h3); font-weight: 900; color: #fff; text-shadow: 0 0 10px var(--gold-glow); }
.unlock-sub { color: #fff; font-size: var(--font-small); margin-top: 10px; }

/* 黄金ボタン化 */
.btn-main.special-offer, .btn-float.special-offer {
    background: linear-gradient(135deg, #c5a059, #aa8539, #ffd700, #c5a059);
    background-size: 300% 300%;
    border-color: #fff; color: #000; text-shadow: none;
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.7);
    animation: goldPulse 1s infinite, bgShift 3s ease infinite;
}
@keyframes goldPulse {
    0% { transform: scale(1); box-shadow: 0 0 20px rgba(255, 215, 0, 0.5); }
    50% { transform: scale(1.05); box-shadow: 0 0 50px rgba(255, 215, 0, 0.9); }
    100% { transform: scale(1); box-shadow: 0 0 20px rgba(255, 215, 0, 0.5); }
}
@keyframes bgShift {
    0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; }
}