/* BANTEX AI映像制作 LP v1.3 */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --accent: #06b6d4;
  --accent-warm: #f59e0b;
  --bg: #08090d;
  --bg-card: #10131a;
  --bg-elevated: #161a25;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(37,99,235,0.4);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
  --transition: .35s cubic-bezier(.4,0,.2,1);
  --font: 'Helvetica Neue',Arial,'Hiragino Kaku Gothic ProN','Hiragino Sans',Meiryo,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
ul{list-style:none}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.gradient-text{background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nowrap{display:inline-block}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:100;padding:20px 0;transition:var(--transition)}
.header.scrolled{background:rgba(8,9,13,.92);backdrop-filter:blur(16px);padding:12px 0;border-bottom:1px solid var(--border)}
.nav{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px}
.logo{font-size:1.4rem;font-weight:800;letter-spacing:.06em;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.badge{font-size:.6rem;padding:2px 8px;border-radius:20px;background:rgba(37,99,235,.15);color:var(--primary-light);border:1px solid rgba(37,99,235,.25)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.85rem;font-weight:500;color:var(--text-muted);transition:var(--transition)}
.nav-links a:hover{color:var(--text)}
.btn-nav{padding:8px 20px!important;border-radius:8px;background:var(--primary)!important;color:var(--text)!important}
.btn-nav:hover{background:var(--primary-dark)!important}
.btn-nav-reserve{background:linear-gradient(135deg,var(--primary),var(--accent))!important;box-shadow:0 4px 14px rgba(37,99,235,.3);font-weight:700}
.btn-nav-reserve:hover{background:linear-gradient(135deg,var(--primary-dark),var(--accent))!important;box-shadow:0 6px 20px rgba(37,99,235,.45);transform:translateY(-1px)}
.btn-nav-line{background:#06C755!important;color:#fff!important;font-weight:700}
.btn-nav-line:hover{background:#05b04c!important;box-shadow:0 4px 14px rgba(6,199,85,.35);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:4px}
.hamburger span{width:22px;height:2px;background:var(--text);transition:var(--transition)}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-video{width:100%;height:100%;object-fit:cover;transition:opacity .5s ease}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(8,9,13,.92) 0%,rgba(8,9,13,.65) 40%,rgba(8,9,13,.88) 100%)}
.hero-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:140px 24px 100px}
.hero-tag{font-size:.8rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.hero-badges{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.hero-badge{display:inline-flex;align-items:center;font-size:.75rem;font-weight:700;padding:5px 16px;border-radius:20px;background:rgba(6,182,212,.12);color:var(--accent);border:1px solid rgba(6,182,212,.3);letter-spacing:.04em}
.hero-title{font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:800;line-height:1.2;margin-bottom:24px}
.amp{display:inline-block;margin:0 .15em;opacity:.5;font-weight:400}
.hero-desc{font-size:1.05rem;color:var(--text-muted);max-width:540px;margin-bottom:48px}
.hero-price{color:var(--accent);font-weight:800;font-size:1.15em;-webkit-text-fill-color:var(--accent)}
.hero-price small{font-size:.7em;font-weight:500}
.hero-stats{display:flex;align-items:center;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat-number{display:block;font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,#fff,var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
.hero-stat-number small{font-size:.5em;font-weight:600}
.hero-stat-label{display:block;font-size:.72rem;color:var(--text-muted);letter-spacing:.08em;margin-top:4px}
.hero-stat-divider{width:1px;height:40px;background:rgba(255,255,255,.12)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;opacity:.4;z-index:1}
.scroll-mouse{width:20px;height:32px;border:2px solid var(--text);border-radius:10px;position:relative}
.scroll-dot{position:absolute;top:6px;left:50%;width:3px;height:6px;background:var(--text);border-radius:2px;transform:translateX(-50%);animation:scrollDot 2s ease-in-out infinite}
@keyframes scrollDot{0%,100%{top:6px;opacity:1}50%{top:18px;opacity:.3}}
.scroll-hint span{font-size:.6rem;letter-spacing:.15em;text-transform:uppercase}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(37,99,235,.35)}
.btn-glass{border:1.5px solid rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(8px)}
.btn-glass:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.04);transform:translateY(-2px)}
.btn-line{background:#06C755;color:#fff}
.btn-line:hover{background:#05b04c;transform:translateY(-2px);box-shadow:0 6px 24px rgba(6,199,85,.35)}
.btn-lg{padding:18px 40px;font-size:1rem}

/* ===== Sections ===== */
.section{padding:120px 0}
.section-dark{background:var(--bg-card)}
.section-header{text-align:center;margin-bottom:64px}
.section-tag{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);padding:5px 18px;border-radius:20px;background:rgba(6,182,212,.08);border:1px solid rgba(6,182,212,.18);margin-bottom:16px}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;margin-bottom:16px}
.section-lead{font-size:1.05rem;color:var(--text-muted);max-width:560px;margin:0 auto}
.section-lead strong{color:var(--accent);font-weight:700}

/* ===== CM制作 ===== */
.cm-showcase{display:flex;flex-direction:column;gap:64px}
.cm-item{background:var(--bg-elevated);border-radius:var(--radius);border:1px solid var(--border);padding:40px;transition:var(--transition)}
.cm-item:hover{border-color:var(--border-hover)}
.cm-flow{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:center;margin-bottom:24px}
.cm-before,.cm-after{position:relative}
.cm-label{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.1em;color:var(--text-muted);margin-bottom:10px;text-transform:uppercase}
.cm-before img{border-radius:var(--radius-sm);aspect-ratio:16/9;object-fit:cover;width:100%}
.cm-arrow{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--accent)}
.cm-arrow svg{width:40px;height:40px}
.cm-arrow span{font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.cm-caption h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.cm-caption p{font-size:.88rem;color:var(--text-muted)}

/* ===== Video Cards ===== */
.video-card{position:relative;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;aspect-ratio:16/9}
.video-card video{width:100%;height:100%;object-fit:cover}

.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-grid-2col{grid-template-columns:repeat(2,1fr)}
.video-showcase-card{background:var(--bg-elevated);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;cursor:pointer;transition:var(--transition)}
.video-showcase-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:var(--shadow)}
.video-card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.video-card-thumb video{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.video-showcase-card:hover .video-card-thumb video{transform:scale(1.03)}
.video-card-info{padding:24px}
.video-card-info h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.video-card-info p{font-size:.85rem;color:var(--text-muted)}

.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25);opacity:0;transition:var(--transition)}
.video-card:hover .play-overlay,.video-showcase-card:hover .play-overlay{opacity:1}
.play-btn{width:60px;height:60px;border-radius:50%;background:rgba(37,99,235,.85);display:flex;align-items:center;justify-content:center;transition:var(--transition);backdrop-filter:blur(8px)}
.play-btn svg{width:24px;height:24px;margin-left:3px}
.play-btn:hover{transform:scale(1.1);background:rgba(37,99,235,1)}

/* ===== Pricing ===== */
.pricing-section{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-card) 100%)}
.pricing-comparison{display:grid;grid-template-columns:1fr auto 1.4fr;gap:40px;align-items:center;max-width:1000px;margin:0 auto}
.pricing-old{background:var(--bg-elevated);border-radius:var(--radius);padding:32px;border:1px solid var(--border)}
.pricing-old h3{font-size:1rem;font-weight:600;color:var(--text-muted);margin-bottom:20px;text-align:center}
.pricing-old-item{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);font-size:.88rem;color:var(--text-muted)}
.pricing-old-total{display:flex;justify-content:space-between;padding:14px 0 0;font-size:1.05rem;font-weight:700;color:#ef4444}
.pricing-old-total span:last-child{text-decoration:line-through}

.pricing-vs{font-size:1.8rem;font-weight:800;color:var(--text-muted);opacity:.5;text-align:center}

.pricing-new{position:relative}
.pricing-new-badge{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.75rem;font-weight:700;padding:6px 20px;border-radius:20px;margin-bottom:24px;letter-spacing:.08em}
.pricing-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.price-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:var(--transition);position:relative}
.price-card:hover{border-color:var(--border-hover);transform:translateY(-4px)}
.price-card.popular{border-color:var(--primary);background:linear-gradient(180deg,rgba(37,99,235,.08),var(--bg-elevated))}
.price-popular-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:.65rem;font-weight:700;padding:3px 14px;border-radius:12px;letter-spacing:.1em}
.price-duration{font-size:1.6rem;font-weight:800;margin-bottom:8px}
.price-amount{font-size:1.8rem;font-weight:800;color:var(--primary-light);margin-bottom:16px;line-height:1}
.price-amount small{font-size:.5em;font-weight:500;opacity:.7}
.price-features{text-align:left}
.price-features li{font-size:.78rem;color:var(--text-muted);padding:5px 0;padding-left:16px;position:relative}
.price-features li::before{content:'';position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:50%;background:var(--accent);transform:translateY(-50%)}
.pricing-note{font-size:.75rem;color:var(--text-muted);margin-top:16px;opacity:.7}

/* ===== Flow (依頼の流れ) ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:1100px;margin:0 auto}
.flow-card{position:relative;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px 26px;transition:var(--transition);display:flex;flex-direction:column}
.flow-card:hover{border-color:var(--border-hover);transform:translateY(-4px)}
.flow-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,rgba(37,99,235,.15),rgba(6,182,212,.1));display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary-light);border:1px solid rgba(37,99,235,.2)}
.flow-icon svg{width:28px;height:28px}
.flow-number{font-size:1.5rem;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px;letter-spacing:.04em}
.flow-title{font-size:1.05rem;font-weight:700;margin-bottom:12px;color:var(--text);line-height:1.4}
.flow-desc{font-size:.82rem;color:var(--text-muted);line-height:1.75;flex:1;margin-bottom:16px}
.flow-badge{display:inline-flex;align-self:flex-start;font-size:.68rem;font-weight:700;padding:5px 12px;border-radius:20px;background:rgba(6,182,212,.1);color:var(--accent);border:1px solid rgba(6,182,212,.25);letter-spacing:.02em}
.flow-cta{margin:64px auto 0;max-width:760px;text-align:center;padding:48px 32px 40px;background:linear-gradient(180deg,rgba(37,99,235,.08),rgba(6,182,212,.04));border:1px solid rgba(37,99,235,.2);border-radius:var(--radius);position:relative}
.flow-cta-producer{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.producer-avatar{width:110px;height:110px;border-radius:50%;overflow:hidden;border:3px solid var(--primary-light);box-shadow:0 8px 24px rgba(37,99,235,.25);flex-shrink:0;background:var(--bg-elevated)}
.producer-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.producer-speech{position:relative;background:#fff;color:#0f172a;padding:18px 26px;border-radius:18px;font-size:1.05rem;font-weight:700;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:320px}
.producer-speech::before{content:'';position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-right:14px solid #fff}
.producer-speech p{margin:0;line-height:1.5}
.flow-cta-text{font-size:1.05rem;font-weight:700;margin-bottom:24px;color:var(--text)}
.flow-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.flow-cta-note{font-size:.75rem;color:var(--text-muted);opacity:.8}

/* ===== CTA ===== */
.cta{padding:120px 0;background:linear-gradient(160deg,var(--primary-dark) 0%,#1e1b4b 60%,#0c1425 100%);text-align:center}
.cta h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;margin-bottom:20px;line-height:1.3}
.cta p{font-size:1.05rem;color:rgba(255,255,255,.75);margin-bottom:40px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{font-size:.78rem;color:rgba(255,255,255,.4);margin-top:24px}

/* ===== Footer ===== */
.footer{padding:48px 0 28px;background:#060710;border-top:1px solid var(--border)}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid var(--border);margin-bottom:20px}
.footer-brand p{font-size:.82rem;color:var(--text-muted);margin-top:6px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:.82rem;color:var(--text-muted);transition:var(--transition)}
.footer-links a:hover{color:var(--text)}
.footer-bottom{text-align:center}
.footer-bottom p{font-size:.72rem;color:var(--text-muted)}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:var(--transition)}
.modal.active{opacity:1;pointer-events:all}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.88)}
.modal-body{position:relative;width:92%;max-width:900px;border-radius:var(--radius);overflow:hidden;transform:scale(.92);transition:var(--transition);background:#000}
.modal.active .modal-body{transform:scale(1)}
.modal-body video{width:100%;display:block}
.modal-close{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:1.5rem;display:flex;align-items:center;justify-content:center;z-index:10;transition:var(--transition)}
.modal-close:hover{background:rgba(0,0,0,.85)}

/* ===== Animations ===== */
.anim{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.anim.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .pricing-comparison{grid-template-columns:1fr;gap:24px}
  .pricing-vs{transform:rotate(90deg);font-size:1.4rem}
  .cm-flow{grid-template-columns:1fr;gap:20px}
  .cm-arrow{transform:rotate(90deg);padding:8px 0}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  body.menu-open .nav-links{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(8,9,13,.97);backdrop-filter:blur(16px);padding:20px 24px;gap:14px;border-bottom:1px solid var(--border)}
  body.menu-open .hamburger span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  body.menu-open .hamburger span:nth-child(2){opacity:0}
  body.menu-open .hamburger span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .section{padding:80px 0}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid-2col{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .flow-card{padding:26px 20px 22px}
  .flow-number{font-size:1.3rem}
  .flow-icon{width:48px;height:48px;margin-bottom:14px}
  .flow-icon svg{width:24px;height:24px}
  .pricing-cards{grid-template-columns:1fr}
  .hero-content{text-align:center;padding:120px 20px 80px}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-badges{justify-content:center}
  .hero-stats{justify-content:center;gap:20px}
  .hero-stat-number{font-size:1.8rem}
  .hero-actions{justify-content:center}
  .cm-item{padding:28px 20px}
  .cm-caption{text-align:center}
  .footer-top{flex-direction:column;gap:20px;align-items:center;text-align:center}
  .footer-links{flex-direction:column;gap:10px;align-items:center}
}
@media(max-width:480px){
  .hero-actions,.cta-actions{flex-direction:column;align-items:center}
  .hero-actions .btn,.cta-actions .btn{width:100%;max-width:320px}
  .video-grid{grid-template-columns:1fr}
  .video-grid-2col{grid-template-columns:1fr}
  .cm-item{padding:20px 16px}
  .cm-arrow svg{width:32px;height:32px}
  .flow-grid{grid-template-columns:1fr}
  .flow-cta{padding:36px 20px 32px}
  .flow-cta-producer{flex-direction:column;gap:16px;margin-bottom:24px}
  .producer-avatar{width:92px;height:92px}
  .producer-speech{padding:14px 20px;font-size:.95rem}
  .producer-speech::before{left:50%;top:-10px;transform:translateX(-50%);border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:12px solid #fff;border-top:none}
  .flow-cta-actions{flex-direction:column;align-items:center}
  .flow-cta-actions .btn{width:100%;max-width:320px}
}