/* --- Variables --- */
:root {
    --primary-orange: #FF6600;
    --dark-orange: #E65C00;
    --light-orange: #FFF8F0;
    --text-black: #222;
    --white: #ffffff;
}

/* --- Base --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Noto Sans JP', sans-serif; color: var(--text-black); line-height: 1.6; overflow-x: hidden; }

.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }

/* --- Navbar (特大ロゴ調整) --- */
.navbar { 
    background: var(--white); 
    border-bottom: 3px solid var(--primary-orange); 
    position: sticky; 
    top: 0; 
    z-index: 100;
    padding: 15px 0;
}

.flex-nav { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    padding: 0 24px; 
}

.logo-img { 
    height: 90px; /* 特大サイズ */
    width: auto; 
    display: block;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.header-badge { 
    font-weight: 900; 
    font-size: 1rem; 
    color: var(--primary-orange); 
    border: 3px solid var(--primary-orange); 
    padding: 8px 20px; 
    border-radius: 8px; 
    white-space: nowrap;
}

/* --- Hero --- */
.hero { background: var(--primary-orange); color: var(--white); padding: 80px 0 120px; text-align: center; clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%); }
.hero-tag { font-weight: bold; margin-bottom: 20px; opacity: 0.9; letter-spacing: 0.15em; font-size: 1.2rem; }
.hero h1 { font-size: 3.5rem; font-weight: 900; line-height: 1.2; margin-bottom: 30px; }
.text-underline { text-decoration: underline; text-underline-offset: 10px; }
.hero-desc { font-size: 1.2rem; margin-bottom: 50px; max-width: 850px; margin-left: auto; margin-right: auto; opacity: 0.95; }

/* --- Phone Mockup --- */
.phone-frame { width: 280px; height: 500px; background: #000; border: 12px solid #333; border-radius: 40px; margin: 0 auto 40px; position: relative; overflow: hidden; box-shadow: 0 40px 80px rgba(0,0,0,0.4); }
.phone-frame video { width: 100%; height: 100%; object-fit: cover; }
.phone-overlay { position: absolute; bottom: 0; width: 100%; background: rgba(0,0,0,0.7); color: #fff; font-size: 0.8rem; padding: 12px; }
.rec-dot { display: inline-block; width: 10px; height: 10px; background: red; border-radius: 50%; margin-right: 6px; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* --- Benefits --- */
.benefits { padding: 120px 0; background: var(--white); }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 900; margin-bottom: 70px; line-height: 1.4; color: #333; }
.orange-text { color: var(--primary-orange); }
.benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.benefit-card { background: var(--light-orange); padding: 50px 30px; border-radius: 20px; text-align: center; transition: 0.4s; border: 1px solid transparent; }
.benefit-card:hover { transform: translateY(-12px); border-color: var(--primary-orange); box-shadow: 0 20px 40px rgba(255,102,0,0.2); }
.card-head { font-size: 0.9rem; font-weight: 700; color: #888; margin-bottom: 15px; }
.card-main { font-size: 2.2rem; font-weight: 900; margin-bottom: 15px; }
.orange-bold { color: var(--primary-orange); }
.card-sub { font-size: 1rem; color: #555; line-height: 1.5; }

/* --- Voices --- */
.voices { background: var(--primary-orange); padding: 120px 0; }
.white-text { color: var(--white); }
.voice-stack { display: flex; flex-direction: column; gap: 40px; }
.voice-card { background: var(--white); padding: 50px; border-radius: 24px; box-shadow: 0 15px 40px rgba(0,0,0,0.15); border-left: 8px solid #eee; }
.accent-card { border-left: 12px solid #333; }
.voice-category { display: inline-block; background: #f0f0f0; padding: 5px 12px; font-size: 0.8rem; border-radius: 6px; font-weight: 900; margin-bottom: 15px; }
.highlight-cat { background: var(--primary-orange); color: #fff; }
.voice-title { font-size: 1.5rem; font-weight: 900; margin-bottom: 25px; line-height: 1.4; color: #111; }
.voice-content { border-top: 2px solid #f9f9f9; padding-top: 25px; }
.v-text { font-size: 1.1rem; line-height: 1.8; }
.v-text strong { color: var(--primary-orange); background: linear-gradient(transparent 70%, #FFF0E0 70%); }
.v-user { text-align: right; margin-top: 25px; font-weight: 900; color: #aaa; font-size: 1rem; }

/* --- Buttons (統合版) --- */
.cta-btn { 
    display: inline-block; 
    background: #333; 
    color: var(--white); 
    padding: 24px 50px; 
    border-radius: 60px; 
    text-decoration: none; 
    font-weight: 900; 
    font-size: 1.4rem; 
    transition: 0.3s; 
    cursor: pointer; 
    box-shadow: 0 10px 20px rgba(0,0,0,0.2); 
    border: none;
}
.cta-btn:hover { transform: scale(1.05); filter: brightness(1.2); box-shadow: 0 15px 30px rgba(0,0,0,0.3); }

/* フッター用の特別大きな白いボタン */
.white-btn.large-btn { 
    background: var(--white); 
    color: var(--primary-orange); 
    width: 100%; 
    max-width: 600px; /* 横幅をしっかり確保 */
    font-size: 1.6rem; /* 文字をさらに大きく */
}

.pulse { animation: pulse-animation 2.5s infinite; }
@keyframes pulse-animation { 0% { box-shadow: 0 0 0 0px rgba(51, 51, 51, 0.5); } 70% { box-shadow: 0 0 0 25px rgba(51, 51, 51, 0); } 100% { box-shadow: 0 0 0 0px rgba(51, 51, 51, 0); } }

/* --- Footer CTA --- */
.footer-cta { background: var(--dark-orange); color: var(--white); text-align: center; padding: 120px 0; }
.footer-cta h2 { font-size: 2.8rem; margin-bottom: 20px; font-weight: 900; }
.footer-cta p { margin-bottom: 50px; font-size: 1.3rem; opacity: 0.95; }

footer { background: #1a1a1a; color: #777; text-align: center; padding: 40px; font-size: 0.9rem; }

/* --- Mobile --- */
@media (max-width: 768px) {
    .logo-img { height: 60px; }
    .hero h1 { font-size: 2.2rem; }
    .white-btn.large-btn { font-size: 1.2rem; padding: 20px; }
    .footer-cta h2 { font-size: 1.8rem; }
}