:root {
  --bg: #fbf8f3;
  --bg-alt: #f3ede3;
  --ink: #1c1917;
  --ink-2: #78716c;
  --brand: #d97706;
  --brand-soft: rgba(217, 119, 6, 0.08);
  --line: #e7e0d5;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.kicker {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-2); margin-bottom: 16px; font-weight: 600; display: block;
}
.sec-title { font-size: 26px; font-weight: 700; margin-bottom: 24px; color: var(--ink); display: flex; justify-content: space-between; align-items: baseline; }
.sec-title a { font-size: 14px; color: var(--ink-2); font-weight: 500; }
.sec-title span { font-size: 14px; color: var(--brand); font-weight: 600; }
section { margin-bottom: 88px; }

/* Header */
header { padding: 24px 0; border-bottom: 1px solid var(--line); background: var(--bg); }
.nav { display: flex; justify-content: space-between; align-items: center; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 800; }
.brand img { height: 32px; width: auto; border-radius: 6px; }
.badge { font-size: 11px; padding: 2px 6px; border: 1px solid var(--brand); color: var(--brand); border-radius: 4px; font-weight: 600; transform: translateY(-8px); }
.btn { padding: 10px 20px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s; display: inline-block; text-align: center; }
.btn-primary { background: var(--brand); color: #fff; border: 1px solid var(--brand); }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-outline:hover { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); }

/* Hero */
.hero { padding: 64px 0; overflow: hidden; }
.hero-inner { display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; }
.hero h1 { font-size: clamp(32px, 6vw, 56px); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 24px; max-width: 800px; z-index: 2; position: relative; }
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 32px; z-index: 2; position: relative; }
.hero-tags span { padding: 6px 16px; border: 1px solid var(--line); border-radius: 20px; font-size: 13px; color: var(--ink-2); }
.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; z-index: 2; position: relative; }
.hero-visual { position: relative; width: 100%; max-width: 800px; aspect-ratio: 16/9; margin: 0 auto; border-radius: 16px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.hero-visual img.main { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; filter: saturate(1.03) contrast(1.02); }
.hero-visual .mask { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.55)); }
.hero-left-card, .hero-right-card { display: none; position: absolute; width: 200px; aspect-ratio: 3/4; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 20px rgba(0,0,0,0.15); z-index: 1; }
.hero-left-card { left: -60px; bottom: 20px; transform: rotate(-8deg); }
.hero-right-card { right: -60px; bottom: 40px; transform: rotate(8deg); }
.hero-visual .tag { position: absolute; left: 16px; bottom: 16px; padding: 6px 12px; background: rgba(0,0,0,0.6); color: #fff; border-radius: 8px; font-size: 13px; backdrop-filter: blur(4px); }
.hero-note { font-size: 13px; color: var(--ink-2); margin-top: 24px; }

/* Channels */
.channels-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.channel-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; transition: all 0.2s; cursor: default; }
.channel-item:hover { background: var(--brand-soft); border-color: var(--brand); }
.channel-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 4px; white-space: nowrap; }
.channel-item p { font-size: 12px; color: var(--ink-2); white-space: nowrap; }

/* Two Cols */
.two-col { display: flex; flex-direction: column; gap: 48px; }
.col-left, .col-right { display: flex; flex-direction: column; gap: 48px; }

/* Cards */
.card { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: transform 0.3s; }
.card:hover { transform: translateY(-3px); }
.card-cover { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; filter: saturate(1.03) contrast(1.02); transition: transform 0.3s; }
.card:hover .card-cover img { transform: scale(1.02); }
.card-cover .mask { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.55)); pointer-events: none; }
.card-cover .title { position: absolute; left: 12px; bottom: 12px; color: #fff; font-size: 16px; font-weight: 600; z-index: 1; }
.card-cover .badge-tag { position: absolute; right: 12px; top: 12px; background: rgba(0,0,0,0.6); color: #fff; padding: 4px 8px; border-radius: 6px; font-size: 11px; backdrop-filter: blur(4px); }
.card-info { padding: 16px; }
.card-info p { font-size: 13px; color: var(--ink-2); }

/* Calendar */
.calendar-box { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; text-align: center; margin-bottom: 16px; }
.cal-day { display: flex; flex-direction: column; gap: 4px; padding: 8px 0; border-radius: 8px; font-size: 13px; color: var(--ink-2); }
.cal-day span:last-child { font-weight: 600; color: var(--ink); }
.cal-day.today { background: var(--brand-soft); border: 1px solid var(--brand); }
.cal-day.today span:last-child { color: var(--brand); }
.calendar-box p { font-size: 12px; color: var(--ink-2); text-align: center; }

/* Ranking */
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-item { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.rank-num { font-size: 18px; font-weight: 800; color: var(--ink-2); width: 24px; text-align: center; }
.rank-num.top { color: var(--brand); }
.rank-img { width: 48px; height: 64px; border-radius: 8px; overflow: hidden; position: relative; }
.rank-img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; }
.rank-info { flex: 1; min-width: 0; }
.rank-info h3 { font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 2px; }
.rank-info .tag { font-size: 11px; color: var(--brand); background: var(--brand-soft); padding: 2px 6px; border-radius: 4px; display: inline-block; }
.rank-stats { text-align: right; font-size: 12px; color: var(--ink-2); }
.rank-stats .score { font-size: 16px; font-weight: 700; color: var(--brand); }

/* Tips */
.tips-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tip-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.tip-item h3 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.tip-item p { font-size: 12px; color: var(--ink-2); }

/* Credentials */
.cred-list { display: flex; flex-direction: column; gap: 12px; }
.cred-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 14px; color: var(--ink); }
.cred-item svg { width: 20px; height: 20px; stroke: var(--brand); stroke-width: 1.6; fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* Steps */
.steps-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; position: relative; }
.step-item { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; position: relative; z-index: 1; }
.step-num { font-size: 24px; font-weight: 800; color: var(--brand-soft); margin-bottom: 12px; }
.step-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.step-item p { font-size: 13px; color: var(--ink-2); }

/* Gallery */
.gallery-scroll { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 18px; padding-bottom: 16px; margin: 0 -24px; padding-left: 24px; padding-right: 24px; }
.gallery-item { flex: 0 0 240px; scroll-snap-align: start; border-radius: 16px; overflow: hidden; position: relative; aspect-ratio: 3/4; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; filter: saturate(1.03) contrast(1.02); }
.gallery-item .mask { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.55)); }
.gallery-item .title { position: absolute; left: 12px; bottom: 12px; color: #fff; font-size: 14px; font-weight: 600; }

/* Reviews */
.reviews-scroll { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 18px; padding-bottom: 16px; margin: 0 -24px; padding-left: 24px; padding-right: 24px; }
.review-item { flex: 0 0 78vw; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; scroll-snap-align: start; display: flex; flex-direction: column; }
.review-item .quote { font-size: 40px; line-height: 1; color: var(--brand-soft); margin-bottom: 8px; font-family: serif; }
.review-item p { font-size: 14px; margin-bottom: 20px; flex: 1; }
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
.review-info h3 { font-size: 13px; font-weight: 600; }
.review-info p { font-size: 11px; color: var(--ink-2); margin: 0; }

/* Download */
.download-block { background: linear-gradient(135deg, #d97706 0%, #b45f06 100%); border-radius: 24px; padding: 48px 24px; text-align: center; color: #fff; }
.download-block h2 { font-size: 28px; font-weight: 800; margin-bottom: 8px; color: #fff; }
.download-block p { font-size: 14px; margin-bottom: 32px; opacity: 0.9; }
.btn-white { background: #fff; color: #d97706; border: none; padding: 14px 32px; border-radius: 8px; font-size: 16px; font-weight: 700; display: inline-block; }

/* FAQ */
.faq-grid { display: flex; flex-direction: column; gap: 16px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
details summary { padding: 16px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: '+'; font-size: 18px; color: var(--ink-2); }
details[open] summary::after { content: '-'; }
details p { padding: 0 16px 16px; font-size: 14px; color: var(--ink-2); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 48px 0 64px; background: var(--bg-alt); font-size: 13px; color: var(--ink-2); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 32px; }
.footer-col h3 { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.footer-col p { margin-bottom: 8px; }
.copyright { text-align: center; border-top: 1px solid var(--line); padding-top: 24px; }

/* Sticky Bar */
.sticky-bar { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(251, 248, 243, 0.95); backdrop-filter: blur(8px); border-top: 1px solid var(--line); padding: 12px 24px; padding-bottom: calc(12px + env(safe-area-inset-bottom)); display: flex; justify-content: center; align-items: center; z-index: 100; transition: opacity 0.3s, transform 0.3s; }
.sticky-bar.hidden { opacity: 0; transform: translateY(100%); pointer-events: none; }
.sticky-bar .btn { width: 100%; max-width: 400px; }

/* Media Queries */
@media (min-width: 768px) {
  section { margin-bottom: 88px; }
  .channels-grid { grid-template-columns: repeat(4, 1fr); }
  .two-col { flex-direction: row; align-items: flex-start; }
  .col-left { flex: 1.15; }
  .col-right { flex: 1; }
  .card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .steps-container { grid-template-columns: repeat(4, 1fr); }
  .steps-container::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 1px; background: var(--line); z-index: 0; }
  .gallery-scroll { overflow-x: visible; flex-wrap: wrap; margin: 0; padding: 0; justify-content: space-between; }
  .gallery-item { flex: 1; min-width: 180px; }
  .reviews-scroll { display: grid; grid-template-columns: 1fr 1fr; overflow-x: visible; margin: 0; padding: 0; }
  .review-item { flex: auto; }
  .faq-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .sticky-bar { display: none; }
}
@media (min-width: 1024px) {
  .hero-visual { max-width: 900px; }
  .hero-left-card, .hero-right-card { display: block; }
  .reviews-scroll { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}