@charset "UTF-8";

:root {
  --ink: #121318;
  --paper: #f7f6f1;
  --white: #fff;
  --lime: #c7ff39;
  --cyan: #5cf0ff;
  --violet: #8f6cff;
  --orange: #ff785a;
  --line: rgba(18, 19, 24, .16);
  --muted: #676974;
  --radius: 26px;
  --shadow: 0 28px 70px rgba(18, 19, 24, .16);
}

html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif; }
* { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; height: auto; }

.machi-ai-video { overflow: clip; background: var(--paper); }
.machi-ai-video a:focus-visible,
.machi-ai-video button:focus-visible,
.machi-ai-video summary:focus-visible { outline: 3px solid #006dff; outline-offset: 4px; }
.skip-link { position: fixed; z-index: 9999; top: 8px; left: 8px; transform: translateY(-140%); padding: 12px 18px; background: #fff; border: 2px solid #000; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: absolute; z-index: 20; top: 0; left: 0; width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 28px clamp(22px, 4vw, 64px); color: #fff; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 48px; aspect-ratio: 1; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 900; letter-spacing: -.08em; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy b { font-size: 15px; letter-spacing: .08em; }
.brand-copy small { font-size: 10px; letter-spacing: .18em; opacity: .75; }
.global-nav { display: flex; gap: 28px; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.global-nav a { position: relative; }
.global-nav a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.global-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.menu-button { display: none; border: 0; background: transparent; color: inherit; }

.hero { position: relative; min-height: 860px; padding: 160px clamp(22px, 7vw, 110px) 110px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr); align-items: center; gap: 50px; background: var(--ink); color: #fff; isolation: isolate; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: auto -8% -18% 40%; height: 70%; background: var(--violet); transform: rotate(-8deg); border-radius: 70px; opacity: .58; }
.hero::after { content: "AI VIDEO"; position: absolute; z-index: -2; right: -1vw; bottom: 1vh; font-size: clamp(90px, 16vw, 250px); line-height: .75; font-weight: 900; letter-spacing: -.09em; color: rgba(255,255,255,.035); white-space: nowrap; }
.eyebrow { margin: 0 0 20px; font-size: 11px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow span { display: inline-block; margin-right: 9px; padding: 7px 10px; border-radius: 999px; background: var(--lime); color: var(--ink); }
.hero h1 { margin: 0; font-size: clamp(58px, 7.1vw, 112px); line-height: .88; letter-spacing: -.075em; font-weight: 900; }
.hero h1 span { display: block; }
.hero-word { width: max-content; }
.hero-word-accent { color: var(--lime); transform: translateX(.22em); }
.hero-lead { margin: 34px 0 0; color: rgba(255,255,255,.74); line-height: 1.95; font-size: clamp(14px, 1.25vw, 17px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 58px; padding: 0 24px; border: 1px solid currentColor; border-radius: 999px; font-size: 13px; font-weight: 800; letter-spacing: .04em; transition: transform .2s, background .2s, color .2s; }
.button:hover { transform: translateY(-3px); }
.button-primary { border-color: var(--lime); background: var(--lime); color: var(--ink); }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.45); }
.button-light { background: #fff; color: var(--ink); border-color: #fff; }
.hero-note { margin: 20px 0 0; color: rgba(255,255,255,.46); font-size: 10px; }

.hero-visual { position: relative; min-height: 600px; perspective: 1200px; }
.visual-card { position: absolute; overflow: hidden; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.09); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.visual-card-main { top: 52px; right: 4%; width: min(590px, 92%); aspect-ratio: 1.05; border-radius: 30px; transform: rotate(3deg); }
.visual-toolbar { height: 54px; display: flex; align-items: center; gap: 8px; padding: 0 18px; background: rgba(0,0,0,.32); }
.visual-toolbar span { width: 8px; aspect-ratio: 1; border-radius: 50%; background: rgba(255,255,255,.32); }
.visual-toolbar b { margin-left: auto; font-size: 9px; letter-spacing: .17em; }
.visual-screen { position: relative; height: calc(100% - 122px); display: grid; place-items: center; background: radial-gradient(circle at 70% 15%, #5cf0ff 0 6%, transparent 7%), linear-gradient(135deg, #8f6cff 0%, #5cf0ff 46%, #c7ff39 100%); color: var(--ink); }
.visual-screen::before { content: ""; position: absolute; inset: 8% 10% 8% 32%; border: 2px solid rgba(18,19,24,.18); border-radius: 50% 20% 50% 30%; transform: rotate(-11deg); }
.visual-screen-copy { position: absolute; left: 8%; top: 13%; }
.visual-screen-copy small { font-size: 9px; letter-spacing: .18em; }
.visual-screen-copy strong { display: block; margin-top: 10px; font-size: clamp(34px, 4vw, 66px); line-height: .9; letter-spacing: -.07em; }
.play-mark { position: absolute; right: 10%; bottom: 11%; display: grid; place-items: center; width: 72px; aspect-ratio: 1; border: 2px solid var(--ink); border-radius: 50%; font-size: 18px; }
.timeline { display: grid; grid-template-columns: 2fr 1fr 1.4fr 1fr; gap: 6px; height: 68px; padding: 13px 16px; background: #17181d; }
.timeline span { border-radius: 5px; background: linear-gradient(90deg, var(--violet), var(--cyan)); opacity: .8; }
.visual-card-side { z-index: 4; left: 0; bottom: 52px; width: 230px; padding: 24px; border-radius: 22px; background: var(--lime); color: var(--ink); transform: rotate(-8deg); }
.visual-card-side small { font-size: 9px; letter-spacing: .18em; }
.visual-card-side b { display: block; margin: 15px 0 24px; font-size: 27px; line-height: 1.15; }
.mini-wave { height: 42px; background: repeating-linear-gradient(90deg, var(--ink) 0 3px, transparent 3px 9px); mask: linear-gradient(0deg, transparent, #000 30% 70%, transparent); }
.visual-chip { position: absolute; z-index: 5; padding: 12px 15px; border-radius: 999px; border: 1px solid rgba(255,255,255,.35); background: rgba(18,19,24,.75); font-size: 9px; font-weight: 800; letter-spacing: .12em; backdrop-filter: blur(8px); }
.chip-one { top: 23px; left: 18%; }
.chip-two { right: 0; bottom: 26px; }
.orb { position: absolute; border-radius: 50%; filter: blur(2px); }
.orb-one { width: 180px; height: 180px; right: -3%; top: -1%; background: var(--orange); }
.orb-two { width: 100px; height: 100px; left: 18%; bottom: 9%; background: var(--cyan); }
.scroll-cue { position: absolute; left: clamp(22px, 4vw, 64px); bottom: 30px; display: flex; align-items: center; gap: 12px; font-size: 9px; letter-spacing: .18em; color: rgba(255,255,255,.55); }
.scroll-cue i { display: block; width: 70px; height: 1px; background: currentColor; }

.section-nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 4vw, 62px); padding: 22px 5vw; background: var(--lime); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.section-nav span { padding: 7px 12px; border-radius: 999px; background: var(--ink); color: #fff; }

.section { padding: clamp(90px, 10vw, 160px) clamp(22px, 7vw, 110px); }
.section-heading { display: grid; grid-template-columns: 90px minmax(0, 1fr); align-items: start; max-width: 1160px; margin: 0 auto 70px; }
.section-number { margin: 7px 0 0; font-size: 13px; font-weight: 900; }
.section-heading h2, .works-copy h2, .section-policy h2, .closing-cta h2 { margin: 0; font-size: clamp(42px, 6.2vw, 84px); line-height: 1.01; letter-spacing: -.065em; }
.section-heading .eyebrow { margin-bottom: 16px; }

.section-about { background: var(--paper); }
.about-layout { max-width: 1160px; margin: auto; display: grid; grid-template-columns: .85fr 1.25fr; gap: clamp(60px, 10vw, 150px); align-items: start; }
.about-lead { margin: 0; font-size: clamp(20px, 2.15vw, 31px); line-height: 1.7; font-weight: 700; letter-spacing: -.025em; }
.feature-stack { border-top: 1px solid var(--line); }
.feature-stack article { display: grid; grid-template-columns: 100px 1fr; column-gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.feature-stack span { grid-row: 1 / 3; font-size: 10px; font-weight: 900; letter-spacing: .14em; color: var(--muted); }
.feature-stack h3 { margin: 0 0 10px; font-size: 25px; }
.feature-stack p { margin: 0; line-height: 1.9; color: var(--muted); }

.ad-slot { max-width: 980px; min-height: 170px; margin: 0 auto; padding: 34px; display: grid; place-items: center; text-align: center; border: 1px dashed #aaa; background: #fff; color: #666; }
.ad-slot span { font-size: 9px; letter-spacing: .25em; }
.ad-slot p { margin: 10px 0 4px; font-weight: 800; }
.ad-slot small { font-size: 11px; }
.ad-slot-dark { background: #23242a; border-color: #666; color: #bbb; }

.section-start { margin-top: 110px; background: var(--ink); color: #fff; transform: skewY(-3deg); }
.section-start > * { transform: skewY(3deg); }
.section-heading-light .eyebrow { color: rgba(255,255,255,.55); }
.route-grid { max-width: 1160px; margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.route-card { position: relative; min-height: 440px; padding: 30px; display: flex; flex-direction: column; border-radius: var(--radius); color: var(--ink); transition: transform .25s; overflow: hidden; }
.route-card:hover { transform: translateY(-9px) rotate(-1deg); }
.route-card::after { content: ""; position: absolute; inset: auto -15% -25% 20%; height: 50%; border: 2px solid currentColor; border-radius: 50%; opacity: .16; transform: rotate(-18deg); }
.route-card-a { background: var(--lime); }
.route-card-b { background: var(--cyan); }
.route-card-c { background: var(--orange); }
.route-index { align-self: flex-end; font-size: 12px; font-weight: 900; }
.route-icon { display: grid; place-items: center; width: 94px; aspect-ratio: 1; margin: 38px 0 auto; border: 2px solid var(--ink); border-radius: 50%; font-size: 25px; font-weight: 900; }
.route-card p { margin: 28px 0 10px; font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.route-card h3 { margin: 0; font-size: clamp(27px, 2.2vw, 35px); line-height: 1.25; letter-spacing: -.045em; }
.route-link { margin-top: 30px; font-size: 12px; font-weight: 900; }

.section-guide { padding-top: 180px; }
.guide-grid { max-width: 1160px; margin: auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; }
.guide-image { display: block; position: relative; min-height: 390px; overflow: hidden; border-radius: var(--radius); background: linear-gradient(135deg, var(--violet), var(--cyan) 58%, var(--lime)); }
.guide-image::after { content: ""; position: absolute; width: 280px; aspect-ratio: 1; right: -30px; bottom: -80px; border: 3px solid var(--ink); border-radius: 40% 50% 35% 50%; transform: rotate(18deg); }
.image-label { position: absolute; top: 24px; left: 24px; z-index: 2; padding: 8px 12px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.image-art { position: absolute; inset: 15% 13%; display: flex; align-items: flex-end; gap: 15px; transform: rotate(-5deg); }
.image-art i { display: block; flex: 1; border: 2px solid var(--ink); border-radius: 120px 120px 20px 20px; background: rgba(255,255,255,.26); }
.image-art i:nth-child(1) { height: 42%; }
.image-art i:nth-child(2) { height: 88%; }
.image-art i:nth-child(3) { height: 64%; }
.guide-meta { display: flex; align-items: center; gap: 12px; margin-top: 24px; color: var(--muted); font-size: 10px; }
.guide-meta span { padding: 5px 8px; border-radius: 999px; background: var(--ink); color: #fff; }
.status-badge { color: var(--muted); font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.guide-featured h3 { margin: 15px 0 10px; font-size: 28px; line-height: 1.45; }
.guide-featured > p { color: var(--muted); line-height: 1.85; }
.guide-list { border-top: 1px solid var(--line); }
.guide-list article { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.thumb { min-height: 112px; display: grid; place-items: center; border-radius: 14px; color: var(--ink); font-size: 10px; font-weight: 900; letter-spacing: .15em; }
.thumb-prompt { background: var(--lime); }
.thumb-rights { background: var(--orange); }
.thumb-edit { background: var(--cyan); }
.guide-list h3 { margin: 10px 0 0; font-size: 17px; line-height: 1.55; }
.center-action { max-width: 1160px; margin: 55px auto 0; text-align: right; }
.text-link { display: inline-flex; gap: 30px; align-items: center; padding-bottom: 7px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 800; }

.section-tools { background: #fff; }
.tool-intro { max-width: 1160px; margin: -25px auto 55px; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; }
.tool-intro p { max-width: 750px; margin: 0; color: var(--muted); line-height: 1.9; }
.tool-intro a { font-size: 12px; font-weight: 900; }
.tool-grid { max-width: 1160px; margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tool-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.tool-symbol { display: grid; place-items: center; width: 100%; aspect-ratio: 1.7; border-radius: 18px; font-size: 80px; font-weight: 900; letter-spacing: -.08em; }
.symbol-v { background: var(--violet); color: #fff; }
.symbol-i { background: var(--lime); }
.symbol-e { background: var(--cyan); }
.tool-tag { margin: 25px 0 8px; font-size: 9px; font-weight: 900; letter-spacing: .14em; color: var(--muted); }
.tool-card h3 { margin: 0; font-size: 24px; }
.tool-card > p:not(.tool-tag) { min-height: 82px; color: var(--muted); line-height: 1.8; }
.tool-card a { display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 900; }

.section-works { display: grid; grid-template-columns: .7fr 1.3fr; gap: 75px; align-items: center; background: var(--ink); color: #fff; }
.works-copy p:not(.eyebrow) { margin: 30px 0; color: rgba(255,255,255,.62); line-height: 1.95; }
.works-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; transform: rotate(2deg); }
.work-tile { position: relative; min-height: 260px; padding: 25px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; border-radius: 24px; color: var(--ink); transition: transform .25s; }
.work-tile:hover { transform: scale(1.025) rotate(-2deg); }
.work-tile::before { content: ""; position: absolute; width: 70%; aspect-ratio: 1; right: -15%; top: -20%; border: 3px solid currentColor; border-radius: 45% 55% 45% 55%; transform: rotate(22deg); opacity: .22; }
.work-tile span { font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.work-tile b { margin-top: 6px; font-size: 30px; }
.work-tile small { margin-top: 8px; max-width: 18em; font-size: 10px; font-weight: 800; line-height: 1.6; opacity: .72; }
.work-tile i { position: absolute; top: 20px; right: 20px; display: grid; place-items: center; width: 42px; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; font-style: normal; }
.work-tile-a { background: var(--lime); }
.work-tile-b { background: var(--violet); color: #fff; }
.work-tile-c { background: var(--cyan); }
.work-tile-d { background: var(--orange); }

.section-gear { background: var(--paper); }
.affiliate-disclosure { max-width: 1160px; margin: -20px auto 42px; padding: 24px 26px; border-left: 5px solid var(--ink); background: #fff; }
.affiliate-disclosure b { display: block; margin-bottom: 8px; font-size: 13px; }
.affiliate-disclosure p { margin: 5px 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.amazon-note { font-size: 11px !important; }
.product-grid { max-width: 1160px; margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.product-image { min-height: 245px; display: grid; place-items: center; background: linear-gradient(135deg, #dff6ff, #c7ff39); color: var(--ink); font-size: clamp(34px, 4vw, 56px); font-weight: 950; letter-spacing: -.05em; text-align: center; line-height: 1; }
.editorial-note { max-width: 1160px; margin: -20px auto 42px; padding: 24px 26px; border-left: 5px solid var(--ink); background: #fff; }
.editorial-note b { display: block; margin-bottom: 8px; font-size: 13px; }
.editorial-note p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.product-body { padding: 26px; }
.pr-badge { display: inline-block; padding: 5px 8px; border-radius: 4px; background: var(--ink); color: #fff; font-size: 9px; font-weight: 900; }
.product-kind { margin: 20px 0 8px; color: var(--muted); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.product-body h3 { margin: 0; font-size: 24px; }
.product-body > p:not(.product-kind) { min-height: 82px; color: var(--muted); line-height: 1.8; font-size: 13px; }
.product-body ul { min-height: 75px; margin: 18px 0; padding: 16px 16px 16px 32px; background: var(--paper); font-size: 11px; line-height: 1.8; }
.affiliate-buttons { display: grid; gap: 9px; }
.affiliate-buttons a { display: grid; place-items: center; min-height: 50px; border-radius: 8px; color: #fff; font-size: 12px; font-weight: 800; }
.amazon-button { background: #232f3e; }
.rakuten-button { background: #bf0000; }
.price-note { max-width: 1160px; margin: 18px auto 0; color: var(--muted); font-size: 10px; line-height: 1.7; }

.section-policy { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; background: var(--lime); }
.policy-grid { border-top: 1px solid var(--ink); }
.policy-grid article { display: grid; grid-template-columns: 60px 1fr; column-gap: 15px; padding: 26px 0; border-bottom: 1px solid var(--ink); }
.policy-grid article > span { grid-row: 1 / 3; font-size: 11px; font-weight: 900; }
.policy-grid h3 { margin: 0 0 7px; font-size: 20px; }
.policy-grid p { margin: 0; line-height: 1.8; font-size: 13px; }

.section-faq { background: #fff; }
.faq-list { max-width: 980px; margin: auto; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 54px 1fr 30px; align-items: center; min-height: 90px; font-size: 17px; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 24px; font-weight: 400; }
details[open] summary::after { content: "−"; }
summary span, details > div > span { font-family: ui-monospace, monospace; font-size: 20px; font-weight: 900; }
details > div { display: grid; grid-template-columns: 54px 1fr; padding: 0 30px 30px 0; }
details > div p { margin: 0; color: var(--muted); line-height: 1.9; }

.closing-cta { margin-top: 120px; padding: clamp(80px, 9vw, 140px) clamp(22px, 7vw, 110px); display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; background: var(--violet); color: #fff; transform: skewY(-3deg); }
.closing-cta > * { transform: skewY(3deg); }
.closing-cta > div:last-child p { margin: 0 0 30px; color: rgba(255,255,255,.72); line-height: 1.9; }

.site-footer { padding: 55px clamp(22px, 7vw, 110px) 30px; display: grid; grid-template-columns: 1fr auto; gap: 35px; background: var(--ink); color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand div { display: grid; gap: 4px; }
.footer-brand b { letter-spacing: .08em; }
.footer-brand small { color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .16em; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; font-size: 11px; }
.site-footer > p { grid-column: 1 / -1; margin: 25px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.45); font-size: 10px; }
.page-top { position: fixed; z-index: 15; right: 18px; bottom: 18px; display: grid; place-items: center; width: 46px; aspect-ratio: 1; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 900; box-shadow: 0 10px 30px rgba(0,0,0,.18); }

@media (max-width: 980px) {
  .site-header { position: absolute; }
  .menu-button { z-index: 2; display: grid; gap: 6px; text-align: right; cursor: pointer; }
  .menu-button span { font-size: 10px; font-weight: 800; letter-spacing: .15em; }
  .menu-button i, .menu-button::after { content: ""; display: block; width: 34px; height: 1px; background: currentColor; }
  .global-nav { position: fixed; inset: 0; display: none; place-content: center; gap: 26px; background: rgba(18,19,24,.97); text-align: center; font-size: 21px; }
  .global-nav.is-open { display: grid; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 145px; }
  .hero-visual { min-height: 520px; }
  .visual-card-main { right: 1%; }
  .section-nav { justify-content: flex-start; overflow-x: auto; white-space: nowrap; }
  .about-layout, .guide-grid, .section-works, .section-policy, .closing-cta { grid-template-columns: 1fr; }
  .route-grid, .tool-grid, .product-grid { grid-template-columns: 1fr 1fr; }
  .route-card:last-child, .tool-card:last-child, .product-card:last-child { grid-column: 1 / -1; }
  .works-gallery { transform: none; }
}

@media (max-width: 680px) {
  .site-header { padding: 20px; }
  .brand-mark { width: 42px; }
  .brand-copy b { font-size: 12px; }
  .hero { padding: 130px 20px 95px; }
  .hero h1 { font-size: clamp(51px, 15vw, 76px); }
  .hero-lead br { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-visual { min-height: 420px; margin-top: 20px; }
  .visual-card-main { top: 28px; width: 95%; }
  .visual-card-side { width: 170px; bottom: 10px; padding: 17px; }
  .visual-card-side b { font-size: 20px; }
  .visual-chip { display: none; }
  .orb-one { width: 105px; height: 105px; }
  .section { padding: 90px 20px; }
  .section-heading { grid-template-columns: 45px 1fr; margin-bottom: 45px; }
  .section-heading h2, .works-copy h2, .section-policy h2, .closing-cta h2 { font-size: clamp(38px, 12vw, 60px); }
  .about-layout { gap: 45px; }
  .feature-stack article { grid-template-columns: 70px 1fr; }
  .ad-slot { margin-inline: 20px; min-height: 140px; padding: 25px; }
  .section-start { margin-top: 80px; }
  .route-grid, .tool-grid, .product-grid, .works-gallery { grid-template-columns: 1fr; }
  .route-card:last-child, .tool-card:last-child, .product-card:last-child { grid-column: auto; }
  .guide-list article { grid-template-columns: 115px 1fr; }
  .guide-image { min-height: 300px; }
  .tool-intro { grid-template-columns: 1fr; }
  .section-works { gap: 45px; }
  .work-tile { min-height: 220px; }
  .section-policy { gap: 45px; }
  summary { grid-template-columns: 42px 1fr 24px; font-size: 15px; }
  details > div { grid-template-columns: 42px 1fr; }
  .closing-cta { margin-top: 80px; padding: 90px 20px; gap: 35px; }
  .site-footer { grid-template-columns: 1fr; padding: 45px 20px 25px; }
  .site-footer nav { justify-content: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* YouTube pickup and playlist collection */
#videos,
#playlists { scroll-margin-top: 24px; }

.section-videos { background: var(--ink); color: #fff; }
.video-section-intro { max-width: 1160px; margin: 0 auto 64px; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(45px, 8vw, 110px); align-items: end; }
.video-section-intro h2,
.playlist-section-heading h2 { margin: 0; font-size: clamp(44px, 6.2vw, 84px); line-height: 1.01; letter-spacing: -.065em; }
.video-section-note { padding-bottom: 8px; }
.video-section-note p { margin: 0 0 26px; color: rgba(255,255,255,.65); line-height: 1.9; }
.channel-link { display: inline-flex; align-items: center; gap: 18px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.4); font-size: 12px; font-weight: 900; letter-spacing: .06em; }
.channel-link span { color: var(--lime); }

.featured-video-grid { max-width: 1160px; margin: auto; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr); grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 18px; }
.featured-video-card { min-width: 0; display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); background: #202127; transition: transform .25s, border-color .25s; }
.featured-video-card:hover { transform: translateY(-6px); border-color: var(--lime); }
.featured-video-card-main { grid-row: 1 / 3; grid-template-columns: 1fr; }
.featured-video-card figure,
.playlist-video-card figure { position: relative; margin: 0; overflow: hidden; background: #090a0d; }
.featured-video-card figure { min-height: 190px; }
.featured-video-card-main figure { min-height: 390px; }
.featured-video-card img,
.playlist-video-card img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .35s; }
.featured-video-card:hover img,
.playlist-video-card:hover img { transform: scale(1.035); }
.video-duration,
.playlist-video-card figure > span { position: absolute; right: 10px; bottom: 10px; padding: 5px 8px; border-radius: 6px; background: rgba(0,0,0,.78); color: #fff; font-size: 10px; font-weight: 800; }
.video-play { position: absolute; left: 18px; bottom: 18px; display: grid; place-items: center; width: 54px; aspect-ratio: 1; border-radius: 50%; background: var(--lime); color: var(--ink); font-size: 14px; box-shadow: 0 12px 30px rgba(0,0,0,.28); }
.featured-video-copy { padding: clamp(20px, 2.4vw, 34px); display: flex; flex-direction: column; justify-content: flex-end; }
.featured-video-copy p { margin: 0 0 16px; color: rgba(255,255,255,.48); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.featured-video-copy p span { margin-right: 9px; color: var(--lime); }
.featured-video-copy h3 { margin: 0; font-size: clamp(18px, 1.45vw, 24px); line-height: 1.45; letter-spacing: -.025em; }
.featured-video-card-main .featured-video-copy h3 { font-size: clamp(25px, 2.7vw, 42px); line-height: 1.3; }
.featured-video-copy small { margin-top: 15px; color: rgba(255,255,255,.55); font-size: 11px; }
.video-data-note { max-width: 1160px; margin: 22px auto 0; color: rgba(255,255,255,.42); font-size: 10px; }

.section-playlists { background: #e9e8e2; }
.playlist-section-heading { max-width: 1160px; margin: 0 auto 95px; display: grid; grid-template-columns: 1.3fr .7fr; column-gap: 70px; align-items: end; }
.playlist-section-heading .eyebrow { grid-column: 1 / -1; }
.playlist-section-heading > p:last-child { margin: 0 0 8px; color: var(--muted); line-height: 1.9; }
.playlist-block { max-width: 1160px; margin: 0 auto 100px; padding-top: 28px; border-top: 2px solid var(--ink); }
.playlist-block:last-child { margin-bottom: 0; }
.playlist-header { margin-bottom: 34px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.playlist-header div > span { font-size: 9px; font-weight: 900; letter-spacing: .18em; color: var(--muted); }
.playlist-header h3 { margin: 8px 0 0; font-size: clamp(30px, 4vw, 54px); line-height: 1.1; letter-spacing: -.05em; }
.playlist-header > a { flex: 0 0 auto; padding-bottom: 8px; border-bottom: 1px solid var(--ink); font-size: 11px; font-weight: 900; }
.playlist-header > a span { margin-left: 10px; color: #006dff; }
.playlist-video-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px 16px; }
.playlist-video-card { min-width: 0; }
.playlist-video-card figure { aspect-ratio: 16 / 9; border-radius: 14px; }
.playlist-video-card h4 { margin: 13px 4px 0; font-size: 14px; line-height: 1.55; letter-spacing: -.015em; }
.playlist-video-card:hover h4 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }

@media (max-width: 980px) {
  .video-section-intro,
  .playlist-section-heading { grid-template-columns: 1fr; gap: 35px; }
  .playlist-section-heading .eyebrow { grid-column: auto; }
  .featured-video-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .featured-video-card,
  .featured-video-card-main { grid-row: auto; grid-template-columns: 1fr; }
  .featured-video-card-main { grid-column: 1 / -1; }
  .featured-video-card figure,
  .featured-video-card-main figure { min-height: 270px; aspect-ratio: 16 / 9; }
  .playlist-video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .video-section-intro { margin-bottom: 42px; }
  .video-section-intro h2,
  .playlist-section-heading h2 { font-size: clamp(38px, 12vw, 58px); }
  .featured-video-grid { grid-template-columns: 1fr; }
  .featured-video-card-main { grid-column: auto; }
  .featured-video-card figure,
  .featured-video-card-main figure { min-height: 0; aspect-ratio: 16 / 9; }
  .featured-video-copy,
  .featured-video-card-main .featured-video-copy { padding: 22px; }
  .featured-video-card-main .featured-video-copy h3 { font-size: 25px; }
  .video-play { width: 46px; left: 14px; bottom: 14px; }
  .playlist-section-heading { margin-bottom: 70px; }
  .playlist-block { margin-bottom: 80px; }
  .playlist-header { align-items: flex-start; flex-direction: column; margin-bottom: 25px; }
  .playlist-header h3 { font-size: 35px; }
  .playlist-video-grid { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 82%; gap: 14px; overflow-x: auto; padding: 0 20px 16px; margin-inline: -20px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
  .playlist-video-card { scroll-snap-align: start; }
}
/* 2026-07-18 hero, navigation, pickup and ad visibility refinements */
.hero { overflow: hidden; }
.hero-video-backdrop { position: absolute; z-index: -3; inset: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); pointer-events: none; }
.hero-video-backdrop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,19,24,.66) 0%, rgba(18,19,24,.46) 48%, rgba(18,19,24,.34) 100%); }
.hero-video-backdrop img { width: 100%; height: 100%; object-fit: cover; opacity: .48; filter: saturate(.72) contrast(1.12); }
.hero-copy, .hero-visual, .scroll-cue { position: relative; z-index: 1; }
.hero-visual { pointer-events: none; }
.section-nav { position: relative; z-index: 10; }
.ad-slot[hidden] { display: none !important; }
.featured-video-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: auto; }
.featured-video-card, .featured-video-card-main { grid-row: auto; grid-column: auto; grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
.featured-video-card figure, .featured-video-card-main figure { min-height: 0; aspect-ratio: 16 / 9; }
.featured-video-copy { justify-content: flex-start; }
.featured-video-card-main .featured-video-copy h3 { font-size: clamp(22px, 1.8vw, 29px); line-height: 1.4; }

@media (max-width: 980px) {
  .featured-video-grid { grid-template-columns: 1fr 1fr; }
  .featured-video-card-main { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .hero-video-backdrop { grid-template-columns: 1fr 1fr; }
  .hero-video-backdrop img:last-child { display: none; }
  .featured-video-grid { grid-template-columns: 1fr; }
  .featured-video-card-main { grid-column: auto; }
}

/* 2026-07-18 AI MUSIC visual-system alignment */
.site-header{inset:0 0 auto;left:0;right:0;width:100%;padding:26px clamp(22px,4vw,65px)}
.brand{gap:13px}
.brand-mark{width:48px;font-size:13px}
.brand-copy{gap:4px}
.brand-copy b{font-size:13px;letter-spacing:.13em}
.brand-copy small{font-size:8px;letter-spacing:.2em}
.global-nav{align-items:center;gap:clamp(14px,1.8vw,28px);font-size:22px;font-weight:800}
.global-nav a{display:flex;align-items:center;min-height:52px;padding:12px 10px}
.global-nav a::after{bottom:7px;background:var(--lime)}

.hero.hero-unified{min-height:100svh;display:grid;grid-template-columns:1.07fr .93fr;align-items:stretch;gap:4vw;padding:135px clamp(22px,4vw,65px) 72px;background:var(--ink);color:#fff}
.hero.hero-unified::before{z-index:1;inset:0;height:auto;border-radius:0;transform:none;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.11) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(90deg,#000,transparent 74%);pointer-events:none}
.hero.hero-unified::after{content:none}
.hero-video-backdrop{z-index:0;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));overflow:hidden;background:#0b0b10}
.hero-video-backdrop::after{z-index:1;background:linear-gradient(90deg,rgba(11,11,16,.94) 0%,rgba(11,11,16,.76) 30%,rgba(11,11,16,.42) 67%,rgba(11,11,16,.34) 100%),linear-gradient(0deg,rgba(11,11,16,.64) 0%,transparent 42%,rgba(11,11,16,.2) 100%)}
.hero-video-backdrop span{min-width:0;min-height:0;overflow:hidden}
.hero-video-backdrop img{display:block;width:100%;height:100%;object-fit:cover;opacity:.46;filter:grayscale(.18) saturate(.78) contrast(1.1);transform:scale(1.035)}
.hero-unified .hero-copy,.hero-unified .hero-stage,.hero-unified .hero-disclosure{position:relative;z-index:2}
.hero-unified .hero-copy{display:flex;flex-direction:column;justify-content:center}
.hero-kicker{display:flex;align-items:center;gap:12px;margin:0 0 28px;color:rgba(255,255,255,.48);font-size:9px;font-weight:850;letter-spacing:.17em}
.hero-kicker span{padding:7px 10px;border-radius:999px;background:var(--lime);color:var(--ink)}
.hero-unified h1{display:grid;width:min-content;margin:0;font-size:clamp(76px,10.5vw,166px);font-weight:950;line-height:.72;letter-spacing:-.085em}
.hero-unified h1 span:nth-child(2){margin-left:.55em}
.hero-unified h1 .outline{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.62)}
.hero-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-top:clamp(48px,7vh,90px)}
.hero-bottom>p{margin:0;font-size:clamp(18px,1.6vw,25px);font-weight:700;line-height:1.65}
.circle-link{flex:0 0 auto;width:132px;aspect-ratio:1;display:flex;flex-direction:column;justify-content:space-between;padding:20px;border-radius:50%;background:var(--lime);color:var(--ink);font-size:10px;font-weight:900;text-transform:uppercase;transition:transform .25s}
.circle-link b{align-self:flex-end;font-size:25px}
.circle-link:hover{transform:rotate(8deg) scale(1.04)}
.hero-stage{position:relative;min-height:620px;display:grid;place-items:center}
.hero-stage::before{content:"";position:absolute;width:78%;aspect-ratio:1;border-radius:52% 48% 42% 58%;background:linear-gradient(135deg,var(--violet),var(--cyan) 56%,var(--lime));filter:blur(3px);animation:videoStageMorph 10s ease-in-out infinite alternate}
.video-orbit{position:relative;z-index:1;width:min(31vw,470px);aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:rgba(11,11,16,.72);box-shadow:0 0 0 1px rgba(255,255,255,.35),0 35px 90px rgba(0,0,0,.4);backdrop-filter:blur(14px)}
.orbit-ring{position:absolute;border:1px solid rgba(255,255,255,.35);border-radius:50%}
.orbit-ring-a{inset:8%}
.orbit-ring-b{inset:24%;border-style:dashed;animation:videoSpin 18s linear infinite}
.video-core{position:relative;z-index:2;width:38%;aspect-ratio:1;display:grid;place-content:center;text-align:center;border-radius:50%;background:var(--lime);color:var(--ink)}
.video-core span{font-size:8px;font-weight:900;letter-spacing:.2em}
.video-core b{margin-top:7px;font-size:clamp(20px,2vw,32px);line-height:.85;letter-spacing:-.07em}
.frame-track{position:absolute;inset:12%;display:flex;align-items:center;justify-content:center;gap:3%;transform:rotate(-21deg)}
.frame-track i{width:11%;height:38%;border:2px solid rgba(255,255,255,.78);background:linear-gradient(160deg,rgba(92,240,255,.88),rgba(143,108,255,.46));transform:translateY(var(--frame-y,0))}
.frame-track i:nth-child(2),.frame-track i:nth-child(5){--frame-y:-24%}
.frame-track i:nth-child(3),.frame-track i:nth-child(6){--frame-y:18%}
.stage-label{position:absolute;z-index:2;font-size:8px;font-weight:850;letter-spacing:.18em;color:rgba(255,255,255,.55)}
.stage-label-top{top:9%;right:4%}
.stage-label-bottom{bottom:8%;left:1%}
.hero-disclosure{position:absolute!important;right:clamp(22px,4vw,65px);bottom:22px;margin:0;color:rgba(255,255,255,.45);font-size:9px}
@keyframes videoSpin{to{transform:rotate(360deg)}}
@keyframes videoStageMorph{to{border-radius:41% 59% 61% 39%;transform:rotate(8deg) scale(1.04)}}

.section-nav.section-rail{display:flex;align-items:center;justify-content:center;gap:clamp(12px,2.5vw,38px);min-height:112px;padding:18px 5vw;background:var(--lime);font-size:20px;font-weight:900;letter-spacing:.09em}
.section-nav.section-rail a{display:flex;align-items:center;min-height:56px;padding:10px 14px;border-radius:10px}
.section-nav.section-rail span{display:flex;align-items:center;min-height:56px;padding:10px 22px;border-radius:999px;background:var(--ink);color:#fff}
.intro{max-width:1500px;margin:auto;display:grid;grid-template-columns:160px 1fr;gap:40px}
.section-index{margin:0;font-size:9px;font-weight:900;letter-spacing:.19em;text-transform:uppercase}
.intro-copy h2{margin:0;font-size:clamp(42px,6.4vw,92px);line-height:1.18;letter-spacing:-.065em}
.intro-copy em{color:var(--violet);font-style:normal}
.intro-copy>p{max-width:760px;margin:55px 0 0 auto;color:var(--muted);font-size:15px;line-height:2.05}

@media(max-width:1050px){
  .global-nav{font-size:20px}
  .hero.hero-unified{grid-template-columns:1fr;padding-top:145px}
  .hero-unified h1{font-size:clamp(74px,18vw,145px)}
  .hero-stage{min-height:560px}
  .video-orbit{width:min(62vw,470px)}
}
@media(max-width:700px){
  .site-header{padding:20px}
  .brand-mark{width:42px}
  .global-nav{gap:28px;font-size:20px}
  .global-nav a{justify-content:center;min-height:52px}
  .hero.hero-unified{min-height:auto;padding:125px 20px 65px}
  .hero-unified h1{font-size:clamp(61px,23vw,92px);line-height:.76}
  .hero-bottom{align-items:flex-start}
  .hero-bottom>p{font-size:16px}
  .circle-link{width:105px;padding:16px}
  .hero-stage{min-height:390px}
  .video-orbit{width:min(82vw,350px)}
  .stage-label-top{top:2%}
  .stage-label-bottom{bottom:2%}
  .hero-disclosure{position:relative!important;right:auto;bottom:auto;grid-column:1;margin-top:25px}
  .hero-video-backdrop{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr))}
  .hero-video-backdrop img:last-child{display:block}
  .hero-video-backdrop::after{background:linear-gradient(180deg,rgba(11,11,16,.6) 0%,rgba(11,11,16,.4) 45%,rgba(11,11,16,.76) 100%),linear-gradient(90deg,rgba(11,11,16,.28),rgba(11,11,16,.12))}
  .hero-video-backdrop img{opacity:.34}
  .section-nav.section-rail{justify-content:flex-start;overflow-x:auto;white-space:nowrap}
  .section-nav.section-rail a{flex:0 0 auto}
  .intro{grid-template-columns:1fr;gap:28px}
  .intro-copy h2{font-size:clamp(39px,12vw,61px)}
  .intro-copy>p{margin-top:35px}
}

/* 2026-07-18: compact type scale and vertical rhythm across the video portal. */
.hero-unified h1{font-size:clamp(68px,8.6vw,132px);line-height:.78}
.section-nav.section-rail{min-height:86px;gap:clamp(10px,2vw,28px);font-size:15px}
.section-nav.section-rail a,.section-nav.section-rail span{min-height:46px;padding-block:8px}
.section{padding:clamp(72px,7vw,112px) clamp(22px,7vw,110px)}
.section-heading{grid-template-columns:72px minmax(0,1fr);gap:28px;margin-bottom:50px}
.section-heading h2,.works-copy h2,.section-policy h2,.closing-cta h2{font-size:clamp(36px,4.6vw,64px);line-height:1.12;letter-spacing:-.055em;text-wrap:balance}
.section-start{margin-top:72px}
.section-guide{padding-top:112px}
.playlist-section-heading{margin-bottom:50px}
.playlist-section-heading h2{font-size:clamp(36px,4.7vw,66px);line-height:1.1;text-wrap:balance}
.video-section-intro{grid-template-columns:1.45fr .55fr;gap:clamp(34px,5vw,68px);margin-bottom:50px}
.video-section-intro h2{font-size:clamp(36px,4.2vw,54px);line-height:1.1;text-wrap:balance}
.section-works{grid-template-columns:.85fr 1.15fr;gap:clamp(42px,5vw,72px)}
.section-policy{grid-template-columns:1fr 1.1fr;gap:clamp(42px,5vw,72px)}
.works-copy h2{font-size:clamp(34px,3.9vw,54px)}
.section-policy h2{font-size:clamp(34px,3.3vw,42px)}
.intro-copy h2{font-size:clamp(38px,5vw,70px);line-height:1.2;text-wrap:balance}
.intro-copy>p{margin-top:36px}

@media(max-width:1050px){
  .hero-unified h1{font-size:clamp(64px,15vw,112px)}
}

@media(max-width:700px){
  .hero-unified h1{font-size:clamp(52px,18vw,74px);line-height:.82}
  .section-nav.section-rail{min-height:72px;font-size:13px;padding:10px 18px}
  .section-nav.section-rail a,.section-nav.section-rail span{min-height:42px;padding:7px 11px}
  .section{padding:68px 20px}
  .section-heading{grid-template-columns:38px minmax(0,1fr);gap:14px;margin-bottom:38px}
  .section-heading h2,.works-copy h2,.section-policy h2,.closing-cta h2{font-size:clamp(31px,8.6vw,35px);line-height:1.18;letter-spacing:-.04em;text-wrap:pretty}
  .section-start{margin-top:52px}
  .section-guide{padding-top:76px}
  .playlist-section-heading{margin-bottom:38px}
  .playlist-section-heading h2{font-size:clamp(32px,9.8vw,45px);line-height:1.14}
  .video-section-intro{grid-template-columns:1fr;gap:24px;margin-bottom:36px}
  .video-section-intro h2{font-size:clamp(30px,8.7vw,36px);line-height:1.16;text-wrap:pretty}
  .video-section-intro h2 br{display:none}
  .section-works,.section-policy{grid-template-columns:1fr;gap:34px}
  .works-copy h2,.section-policy h2{font-size:clamp(31px,8.6vw,35px)}
  .intro-copy h2{font-size:clamp(32px,8.8vw,36px);line-height:1.22;text-wrap:pretty}
  .intro-copy h2 br{display:none}
  .intro-copy>p{margin-top:26px}
}

/* 2026-07-20: laptop-height hero. */
@media(min-width:1051px){.hero.hero-unified{min-height:640px;padding:92px clamp(22px,4vw,65px) 40px}.hero-unified h1{font-size:clamp(64px,7.5vw,112px)}.hero-kicker{margin-bottom:18px}.hero-bottom{margin-top:32px}.hero-bottom>p{font-size:clamp(16px,1.25vw,20px)}.circle-link{width:102px;padding:15px}.hero-stage{min-height:470px}.video-orbit{width:min(27vw,390px)}.hero-disclosure{bottom:13px}}
/* 2026-07-20: compact-height follow-up for short laptop viewports. */
@media(min-width:1051px){.hero.hero-unified{min-height:570px;padding-top:76px;padding-bottom:28px}.hero-stage{min-height:440px}.video-orbit{width:min(25vw,360px)}}


/* 2026-07-20: compact content rhythm — fewer forced wraps and shorter sections. */
@media (min-width: 701px) {
  .section { padding-block: 64px; }
  .intro { grid-template-columns: 110px minmax(0, 1fr); gap: 30px; }
  .intro-copy h2 { font-size: 3.4rem; line-height: 1.12; }
  .intro-copy h2 br, .section-heading h2 br, .video-section-intro h2 br, .playlist-section-heading h2 br { display: none; }
  .intro-copy > p { max-width: 820px; margin-top: 24px; font-size: .94rem; line-height: 1.75; }
  .section-heading { grid-template-columns: 58px minmax(0, 1fr); gap: 22px; margin-bottom: 36px; }
  .section-heading h2, .works-copy h2, .section-policy h2, .closing-cta h2 { font-size: 3.15rem; line-height: 1.12; }
  .about-layout { grid-template-columns: minmax(300px, .95fr) minmax(480px, 1.35fr); gap: 68px; }
  .about-lead { font-size: 1.3rem; line-height: 1.65; }
  .feature-stack article { grid-template-columns: 118px minmax(0, 1fr); padding: 21px 0; }
  .feature-stack h3 { margin-bottom: 7px; font-size: 1.35rem; }
  .feature-stack p { line-height: 1.65; }
  .video-section-intro { margin-bottom: 38px; }
  .video-section-intro h2, .playlist-section-heading h2 { font-size: 3.05rem; line-height: 1.1; }
  .playlist-section-heading { margin-bottom: 40px; }
  .playlist-section-heading > p:last-child, .video-section-note p { line-height: 1.65; }
  .playlist-block { margin-bottom: 72px; }
  .route-card { min-height: 370px; }
}
@media (max-width: 700px) {
  .section { padding-block: 56px; }
  .section-heading { margin-bottom: 30px; }
  .about-lead { font-size: 1.08rem; line-height: 1.7; }
  .feature-stack article { padding-block: 20px; }
}

/* 2026-07-20: photographic production guide and official app icons. */
.guide-image-main{isolation:isolate;background:#11131a}
.guide-image-main::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(10,11,17,.38) 0%,rgba(10,11,17,.04) 48%,rgba(10,11,17,.5) 100%)}
.guide-image-main::after{display:none}
.guide-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%;transition:transform .55s cubic-bezier(.2,.7,.2,1),filter .55s ease}
.guide-image-main:hover .guide-photo,.guide-image-main:focus-visible .guide-photo{transform:scale(1.025);filter:brightness(1.05)}
.guide-photo-caption{position:absolute;right:24px;bottom:22px;z-index:2;color:#fff;font-size:9px;font-weight:900;letter-spacing:.16em;text-shadow:0 1px 12px rgba(0,0,0,.65)}
.thumb-app{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:14px 10px 11px;overflow:hidden;border:1px solid rgba(17,19,26,.09);background:#fff;box-shadow:0 12px 28px rgba(17,19,26,.06);transition:transform .25s ease,box-shadow .25s ease}
.thumb-app:hover,.thumb-app:focus-visible{transform:translateY(-3px);box-shadow:0 17px 34px rgba(17,19,26,.11)}
.thumb-app img{display:block;width:58px;height:58px;object-fit:contain;border-radius:13px}
.thumb-app span{font-size:9px;letter-spacing:.08em;line-height:1.2;text-align:center}
.thumb-prompt{background:linear-gradient(145deg,rgba(190,255,44,.22),#fff 58%)}
.thumb-rights{background:linear-gradient(145deg,rgba(255,113,81,.18),#fff 58%)}
.thumb-edit{background:linear-gradient(145deg,rgba(85,220,242,.2),#fff 58%)}
@media(max-width:700px){.guide-photo-caption{right:18px;bottom:17px}.thumb-app img{width:52px;height:52px}}
/* Completed AI video recipe cards */
.works-points{margin:0 0 30px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;list-style:none}
.works-points li{position:relative;padding-left:18px;color:rgba(255,255,255,.78);font-size:11px;font-weight:800;letter-spacing:.03em}
.works-points li::before{content:"";position:absolute;left:0;top:.45em;width:7px;height:7px;border-radius:50%;background:var(--lime)}
.work-tile{min-height:310px;text-decoration:none}
.work-tile .work-kicker{position:relative;z-index:1;font-size:9px;font-weight:900;letter-spacing:.16em}
.work-tile b{position:relative;z-index:1;font-size:clamp(28px,2.5vw,38px);line-height:1.15}
.work-tile small{position:relative;z-index:1;max-width:25em;font-size:11px;line-height:1.75;opacity:.8}
.work-tags{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.work-tags em{padding:5px 8px;border:1px solid currentColor;border-radius:999px;font-size:8px;font-style:normal;font-weight:900;letter-spacing:.08em;opacity:.72}
.work-link{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding-top:15px;border-top:1px solid currentColor;font-size:10px;letter-spacing:.08em}
.work-link span{font-size:15px;letter-spacing:0}
.work-tile:focus-visible{outline:3px solid #fff;outline-offset:5px}
@media(max-width:700px){.section-works{padding-left:76px}.works-points{grid-template-columns:1fr}.work-tile{min-height:280px}.work-tile b{font-size:32px}}
/* YouTube auto-sync status */
.playlist-sync-note{grid-column:1/-1;display:flex;align-items:center;gap:9px;margin-top:18px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.04em}
.playlist-sync-note span{width:8px;height:8px;border-radius:50%;background:#22a45d;box-shadow:0 0 0 4px rgba(34,164,93,.12)}
.is-youtube-syncing .playlist-sync-note span{background:var(--violet);animation:youtubeSyncPulse 1s ease-in-out infinite alternate}
.is-youtube-syncing [data-youtube-popular],.is-youtube-syncing .playlist-video-grid{opacity:.72}
[data-youtube-popular],.playlist-video-grid{transition:opacity .3s ease}
@keyframes youtubeSyncPulse{to{opacity:.3;transform:scale(.72)}}
@media(prefers-reduced-motion:reduce){.is-youtube-syncing .playlist-sync-note span{animation:none}}
/* YouTube mobile rail clearance */
@media(max-width:700px){.section-videos,.section-playlists{padding-left:20px}}
/* 2026-07-25: latest AI video topic. */
.section-topics { background: #fff; }
.video-topics-heading { margin-bottom: clamp(34px, 5vw, 58px); }
.video-topic-feature { max-width: 1160px; margin: auto; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.video-topic-media { position: relative; min-height: 410px; display: block; overflow: hidden; background: #090a0d; }
.video-topic-media img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.video-topic-feature:hover .video-topic-media img { transform: scale(1.035); }
.video-topic-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(18, 19, 24, .55), transparent 62%); }
.video-topic-copy { display: flex; flex-direction: column; gap: 18px; padding: clamp(26px, 4vw, 46px); }
.video-topic-copy p:first-child { margin: 0; color: rgba(255,255,255,.55); font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.video-topic-copy p:first-child span { color: var(--lime); }
.video-topic-copy h3 { margin: 0; font-size: clamp(34px, 4.2vw, 58px); line-height: 1.04; letter-spacing: -.06em; }
.video-topic-copy p:not(:first-child) { margin: 0; color: rgba(255,255,255,.68); line-height: 1.9; }
.video-topic-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.video-topic-actions a { display: inline-flex; min-height: 44px; align-items: center; padding: 10px 15px; border-radius: 999px; background: var(--lime); color: var(--ink); font-size: 12px; font-weight: 900; }
.video-topic-actions a + a { background: #fff; }
@media (max-width: 980px) { .video-topic-feature { grid-template-columns: 1fr; } .video-topic-media { min-height: 0; aspect-ratio: 16 / 9; } }
@media (max-width: 680px) { .video-topic-feature { border-radius: 18px; } .video-topic-copy { padding: 22px; } .video-topic-actions a { width: 100%; justify-content: center; } }
/* 2026-07-25: tighten latest topic spacing on mobile. */
@media (max-width: 680px) {
  .section-topics { padding-top: 44px; padding-bottom: 42px; }
  .section-topics .video-section-intro { gap: 16px; margin-bottom: 18px; }
  .section-topics .video-section-note { padding-bottom: 0; }
  .section-topics .video-section-note p { display: none; }
  .section-topics .channel-link { padding-bottom: 5px; }
}