:root {
  --ink: #071426;
  --paper: #f4f5f1;
  --line: #cfd5d9;
  --muted: #596575;
  --blue: #0b63f6;
  --cyan: #59dcff;
  --dark: #061120;
  --white: #fff;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 50; top: 0; display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 28px; padding: 0 max(24px,calc((100vw - var(--max))/2)); color: #e8eff8; border-bottom: 1px solid rgba(255,255,255,.15); background: rgba(6,17,32,.96); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { display: grid; width: 35px; height: 35px; place-items: center; color: #061120; background: var(--cyan); font: 900 .66rem Arial,sans-serif; }
.brand>span:last-child { display: grid; gap: 2px; }
.brand b { font: 900 .76rem Arial,sans-serif; letter-spacing: .08em; }
.brand small { color: #8ea2bc; font: 750 .48rem Arial,sans-serif; letter-spacing: .16em; }
.site-header nav { display: flex; align-items: center; gap: 27px; }
.site-header nav a { color: #b9c5d4; font-size: .75rem; font-weight: 800; text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: #fff; outline: none; }
.site-header nav .header-cta { padding: 10px 13px; color: #061120; background: var(--cyan); }

main { overflow: hidden; }
.hero { display: grid; min-height: calc(100svh - 74px); grid-template-columns: minmax(0,.88fr) minmax(500px,1.12fr); align-items: center; gap: clamp(44px,7vw,100px); padding: clamp(70px,9vw,130px) max(24px,calc((100vw - var(--max))/2)); color: #f1f5fa; background-color: var(--dark); background-image: linear-gradient(rgba(110,151,202,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(110,151,202,.08) 1px,transparent 1px); background-size: 42px 42px; }
.hero-copy { position: relative; z-index: 2; min-width: 0; max-width: 650px; }
.eyebrow, .section-no { margin: 0; color: #8799b0; font: 850 .63rem Arial,sans-serif; letter-spacing: .17em; }
.eyebrow span { color: var(--cyan); }
.availability { display: flex; align-items: center; gap: 8px; margin: 34px 0 18px; color: #c4d0de; font-size: .68rem; font-weight: 800; }
.availability i, .live-toolbar i { width: 7px; height: 7px; border-radius: 50%; background: #4aefac; box-shadow: 0 0 10px rgba(74,239,172,.7); }
.hero h1 { max-width: 9.8em; margin: 0; font-size: clamp(2.7rem,5vw,4.4rem); line-height: .99; letter-spacing: -.075em; }
.hero h1 span { display: block; white-space: normal; }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: #b8c5d4; font-size: clamp(.88rem,1.1vw,1rem); font-weight: 650; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; font-size: .8125rem; font-weight: 900; text-decoration: none; transition: color .18s,background .18s,border-color .18s; }
.button-primary { color: #061120; background: var(--cyan); }
.button-primary:hover, .button-primary:focus-visible { color: #fff; background: var(--blue); outline: none; }
.button-secondary { color: #d3deeb; border-color: #526176; }
.button-secondary:hover, .button-secondary:focus-visible { color: #fff; border-color: #fff; outline: none; }

.live-panel { min-width: 0; border: 1px solid #33455d; background: #071321; box-shadow: 0 30px 80px rgba(0,0,0,.32); }
.live-toolbar { display: flex; min-height: 46px; align-items: center; justify-content: space-between; gap: 20px; padding: 0 16px; border-bottom: 1px solid #25364d; }
.live-toolbar>span { color: var(--cyan); font: 850 .57rem Arial,sans-serif; letter-spacing: .15em; }
.live-toolbar p { display: flex; align-items: center; gap: 6px; margin: 0; color: #879ab3; font: 750 .53rem Arial,sans-serif; }
.live-toolbar b { color: #dce9f7; font-weight: 850; }
.live-stage { position: relative; min-height: clamp(330px,40vw,540px); overflow: hidden; background: #071321; touch-action: pan-y; }
.live-fallback { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; fill: none; stroke: rgba(89,220,255,.24); stroke-width: 1.2; pointer-events: none; }
.live-fallback circle { fill: rgba(114,228,255,.88); stroke: none; filter: drop-shadow(0 0 8px rgba(89,220,255,.75)); }
.live-fallback [data-fallback] { display: none; }
.live-stage[data-active-engine="gravity"] [data-fallback="gravity"], .live-stage[data-active-engine="flow"] [data-fallback="flow"], .live-stage[data-active-engine="grid"] [data-fallback="grid"] { display: block; }
.live-stage[data-active-engine="flow"] .live-fallback { stroke-dasharray: 7 10; }
.live-stage[data-active-engine="grid"] .live-fallback { stroke: rgba(89,220,255,.16); }
.live-stage::after { position: absolute; z-index: 4; inset: 0; border: 1px solid rgba(255,255,255,.05); content: ""; pointer-events: none; }
.live-stage canvas { position: absolute !important; z-index: 1; inset: 0; width: 100% !important; height: 100% !important; }
.engine-tabs { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid #25364d; }
.engine-tabs button { display: grid; min-width: 0; min-height: 68px; grid-template-columns: auto minmax(0,1fr); align-items: center; gap: 9px; padding: 0 14px; color: #879ab3; border: 0; border-left: 1px solid #25364d; background: transparent; cursor: pointer; }
.engine-tabs button:first-child { border-left: 0; }
.engine-tabs button span { font: 850 .52rem Arial,sans-serif; }
.engine-tabs button b { justify-self: start; font-size: .66rem; }
.engine-tabs button:hover, .engine-tabs button:focus-visible, .engine-tabs button.is-active { color: #061120; background: var(--cyan); outline: none; }
.live-note { margin: 0; padding: 11px 16px; color: #7e91a9; border-top: 1px solid #25364d; font-size: .58rem; font-weight: 700; }

.catalog-intro { display: grid; max-width: var(--max); grid-template-columns: 180px minmax(0,1fr) auto; align-items: end; gap: 34px; margin: 0 auto; padding: 110px 0 45px; border-bottom: 1px solid var(--line); }
.catalog-intro h2, .buyer-check h2, .sales-format h2 { margin: 0; font-size: clamp(2rem,3.4vw,3.9rem); line-height: 1.08; letter-spacing: -.06em; }
.catalog-intro>div>p { max-width: 670px; margin: 16px 0 0; color: var(--muted); font-size: .83rem; font-weight: 650; line-height: 1.85; }
.catalog-count { display: grid; justify-items: end; margin: 0; }
.catalog-count b { font: 900 3.2rem Arial,sans-serif; letter-spacing: -.06em; }
.catalog-count span { color: var(--muted); font: 800 .54rem Arial,sans-serif; letter-spacing: .16em; }

.product { display: grid; max-width: var(--max); grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); margin: 0 auto 120px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); background: #fff; }
.product-visual { position: relative; display: grid; min-height: 680px; place-items: center; overflow: hidden; color: #fff; border-right: 1px solid #314158; background-color: #061120; background-image: linear-gradient(rgba(110,151,202,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(110,151,202,.08) 1px,transparent 1px); background-size: 36px 36px; }
.orbit-diagram { position: relative; width: min(70%,410px); aspect-ratio: 1; }
.orbit-diagram::before, .orbit-diagram::after { position: absolute; inset: 18%; border: 1px solid rgba(89,220,255,.46); border-radius: 50%; content: ""; transform: rotate(34deg) scaleX(1.55); }
.orbit-diagram::after { transform: rotate(-34deg) scaleX(1.55); }
.orbit-diagram b { position: absolute; top: 45%; left: 45%; width: 10%; aspect-ratio: 1; border-radius: 50%; background: #fff; box-shadow: 0 0 34px #fff; }
.orbit-diagram i { position: absolute; top: 49%; left: 49%; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); animation: orbit 6s linear infinite; }
.orbit-diagram i:nth-child(2) { background: #9d86ff; box-shadow: 0 0 16px #9d86ff; animation-delay: -1.5s; animation-duration: 7.2s; }
.orbit-diagram i:nth-child(3) { background: #4aefac; box-shadow: 0 0 16px #4aefac; animation-delay: -3s; animation-duration: 5.2s; }
.orbit-diagram i:nth-child(4) { animation-delay: -4.5s; animation-duration: 8.2s; }
@keyframes orbit { to { transform: rotate(1turn) translateX(min(17vw,185px)); } }
.visual-caption { position: absolute; right: 20px; bottom: 19px; left: 20px; display: flex; justify-content: space-between; gap: 15px; color: #8195af; font: 800 .5rem Arial,sans-serif; letter-spacing: .13em; }
.image-diagram { background-color: #0a1728; background-image: linear-gradient(rgba(89,220,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(89,220,255,.07) 1px,transparent 1px); }
.image-card { position: absolute; width: min(52%,290px); aspect-ratio: 4/3; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 28px 60px rgba(0,0,0,.34); }
.image-card::before { position: absolute; inset: 0; background: linear-gradient(135deg,rgba(255,255,255,.18),transparent 55%); content: ""; }
.image-card::after { position: absolute; right: 12px; bottom: 10px; color: rgba(255,255,255,.7); font: 850 .55rem Arial,sans-serif; letter-spacing: .12em; }
.image-card-a { z-index: 1; background: linear-gradient(135deg,#0b63f6,#58ddff); transform: translate(-25%,-48%) rotate(-9deg); }
.image-card-a::after { content: "TRAIL"; }
.image-card-b { z-index: 2; background: linear-gradient(135deg,#ed4e63,#ffbc55); transform: translate(22%,-4%) rotate(6deg); }
.image-card-b::after { content: "REVEAL"; }
.image-card-c { z-index: 3; background: linear-gradient(135deg,#33c789,#9af2ca); transform: translate(-18%,42%) rotate(-3deg); }
.image-card-c::after { content: "PREVIEW"; }
.scroll-diagram { align-content: center; gap: 28px; background-color: #071321; }
.scroll-stack-visual { position: relative; width: min(68%,390px); height: 190px; }
.scroll-stack-visual i { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.2); box-shadow: 0 22px 50px rgba(0,0,0,.3); }
.scroll-stack-visual i:nth-child(1) { background: linear-gradient(135deg,#0b63f6,#063071); transform: translateY(-24px) scale(.92); }
.scroll-stack-visual i:nth-child(2) { background: linear-gradient(135deg,#ef4d65,#7c1730); transform: translateY(-8px) scale(.96); }
.scroll-stack-visual i:nth-child(3) { background: linear-gradient(135deg,#24b879,#075038); transform: translateY(12px); }
.scroll-reel-visual { display: flex; width: min(78%,440px); gap: 9px; overflow: hidden; }
.scroll-reel-visual span { display: grid; min-width: 145px; height: 75px; place-items: center; color: #bcecff; border: 1px solid #2b4058; background: #10274a; font: 850 .55rem Arial,sans-serif; letter-spacing: .12em; }
.scroll-progress-visual { position: relative; display: flex; width: min(68%,390px); align-items: center; gap: 14px; color: #9eb0c5; font: 850 .56rem Arial,sans-serif; }
.scroll-progress-visual::before { height: 3px; flex: 1; background: #233650; content: ""; }
.scroll-progress-visual i { position: absolute; left: 0; width: 52%; height: 3px; background: #58ddff; }
.scroll-progress-visual b { color: #58ddff; }
.product-copy { min-width: 0; padding: clamp(38px,5vw,72px); }
.product-copy h2, .product-lead, .product-specs dd, .prices { min-width: 0; overflow-wrap: anywhere; }
.product-meta { display: flex; justify-content: space-between; gap: 18px; color: var(--blue); font: 850 .57rem Arial,sans-serif; letter-spacing: .14em; }
.product-meta span:last-child { display: inline-flex; align-items: center; padding: 5px 8px; color: #086141; background: #dff7ec; letter-spacing: .04em; }
.product-copy h2 { margin: 25px 0 18px; font-size: clamp(2.2rem,4vw,4.3rem); line-height: .98; letter-spacing: -.065em; }
.product-lead { margin: 0; color: var(--muted); font-size: .88rem; font-weight: 650; line-height: 1.9; }
.product-specs { display: grid; margin: 32px 0 0; border-top: 1px solid var(--line); }
.product-specs div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.product-specs dt { color: #778292; font-size: .64rem; font-weight: 800; }
.product-specs dd { margin: 0; font-size: .7rem; font-weight: 850; }
.included { margin-top: 28px; }
.included p { margin: 0 0 12px; font-size: .65rem; font-weight: 900; }
.included ul { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.included li { padding: 6px 9px; color: #4f5c6d; border: 1px solid #d3d9df; font-size: .58rem; font-weight: 800; }
.prices { display: grid; grid-template-columns: 1fr 1fr; margin-top: 30px; border: 1px solid var(--line); }
.prices div { display: grid; gap: 7px; padding: 17px 18px; border-left: 1px solid var(--line); }
.prices div:first-child { border-left: 0; }
.prices span { color: #697687; font-size: .59rem; font-weight: 800; }
.prices b { font: 900 1.55rem Arial,sans-serif; }
.prices small { margin-left: 3px; font-size: .65rem; }
.product-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 28px; }
.text-action { color: var(--blue); font-size: .68rem; font-weight: 900; text-underline-offset: 5px; }

.sales-format { padding: 100px max(24px,calc((100vw - var(--max))/2)); color: #eaf1f8; background: var(--dark); }
.format-heading { display: grid; max-width: var(--max); grid-template-columns: 180px minmax(0,1fr) minmax(280px,.55fr); align-items: end; gap: 34px; margin: 0 auto; padding-bottom: 42px; }
.sales-format .section-no { color: var(--cyan); }
.format-heading>p:last-child { margin: 0; color: #9eafc4; font-size: .78rem; font-weight: 650; line-height: 1.8; }
.format-grid { display: grid; max-width: var(--max); grid-template-columns: 1fr 1fr; margin: 0 auto; border-top: 1px solid #33455d; border-left: 1px solid #33455d; }
.format-card { min-width: 0; padding: 34px; border-right: 1px solid #33455d; border-bottom: 1px solid #33455d; background: #081626; }
.format-card-service { background: #0b1c31; }
.format-label { margin: 0; color: var(--cyan); font: 850 .55rem Arial,sans-serif; letter-spacing: .14em; }
.format-card h3 { margin: 24px 0 13px; font-size: clamp(1.45rem,2.4vw,2.2rem); letter-spacing: -.035em; }
.format-card>p:not(.format-label) { max-width: 520px; margin: 0; color: #aebdd0; font-size: .78rem; font-weight: 650; line-height: 1.8; }
.format-card dl { display: grid; margin: 28px 0 0; border-top: 1px solid #2e4058; }
.format-card dl div { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 13px 0; border-bottom: 1px solid #2e4058; }
.format-card dt { color: #7f93ad; font-size: .61rem; font-weight: 800; }
.format-card dd { min-width: 0; max-width: 100%; box-sizing: border-box; margin: 0; padding-right: 4px; color: #eaf1f8; font-size: .7rem; font-weight: 800; line-height: 1.6; overflow-wrap: anywhere; word-break: break-all; }
.format-card>a { display: inline-flex; margin-top: 26px; color: var(--cyan); font-size: .75rem; font-weight: 900; text-underline-offset: 5px; }
.format-card>a:hover, .format-card>a:focus-visible { color: #fff; outline: none; }
.format-note { max-width: var(--max); margin: 22px auto 0; color: #8498b1; font-size: .66rem; font-weight: 700; line-height: 1.8; }

.buyer-check { max-width: var(--max); margin: 0 auto; padding: 100px 0 120px; }
.check-heading { display: grid; grid-template-columns: 180px minmax(0,1fr) minmax(260px,.55fr); align-items: end; gap: 34px; padding-bottom: 42px; }
.check-heading>p:last-child { margin: 0; color: var(--muted); font-size: .78rem; font-weight: 650; line-height: 1.8; }
.buyer-check ol { display: grid; grid-template-columns: 1fr 1fr; margin: 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.buyer-check li { display: grid; min-height: 180px; grid-template-columns: 62px 1fr; gap: 20px; padding: 28px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.buyer-check li:nth-child(even) { border-right: 0; }
.buyer-check li>span { color: var(--blue); font: 900 .62rem Arial,sans-serif; }
.buyer-check h3 { margin: 0 0 10px; font-size: 1.15rem; }
.buyer-check li p { margin: 0; color: var(--muted); font-size: .76rem; font-weight: 650; line-height: 1.8; }

.release-policy { padding: 32px max(24px,calc((100vw - var(--max))/2)); color: #4f5b6a; border-bottom: 1px solid var(--line); background: #e9ebe7; }
.release-policy p { max-width: 970px; margin: 0; font-size: .68rem; font-weight: 700; line-height: 1.8; }
.release-policy span { margin-right: 15px; color: var(--blue); font: 900 .55rem Arial,sans-serif; letter-spacing: .13em; }

footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 45px; padding: 54px max(24px,calc((100vw - var(--max))/2)); color: #9babc0; background: var(--dark); }
footer>div { display: grid; gap: 5px; }
footer b { color: #e7eef7; font: 900 .7rem Arial,sans-serif; letter-spacing: .1em; }
footer span, footer a { font-size: .61rem; font-weight: 700; }
footer nav { display: flex; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover, footer a:focus-visible { color: #fff; outline: none; }

@media (max-width: 1100px) {
  .site-header, .hero, .sales-format, .release-policy, footer { padding-right: 28px; padding-left: 28px; }
  .catalog-intro, .product, .buyer-check { width: calc(100% - 56px); }
  .hero { grid-template-columns: 1fr 1fr; gap: 35px; }
  .catalog-intro { grid-template-columns: 130px 1fr auto; }
  .format-heading { grid-template-columns: 130px 1fr; }.format-heading>p:last-child { grid-column: 2; }
  .check-heading { grid-template-columns: 130px 1fr; }.check-heading>p:last-child { grid-column: 2; }
}

@media (max-width: 820px) {
  .site-header { min-height: 64px; }.site-header nav>a:not(.header-cta) { display: none; }
  .hero { min-height: 0; grid-template-columns: 1fr; padding-top: 70px; padding-bottom: 70px; }
  .hero-copy { max-width: 720px; }.hero h1 { font-size: clamp(2.8rem,10vw,4.8rem); }
  .live-stage { min-height: min(72vw,500px); }
  .catalog-intro { grid-template-columns: 1fr auto; padding-top: 80px; }.catalog-intro .section-no { grid-column: 1/-1; }.catalog-count { grid-column: 2; grid-row: 2; }.catalog-intro>div { grid-column: 1; grid-row: 2; }
  .product { grid-template-columns: 1fr; }.product-visual { min-height: min(88vw,570px); border-right: 0; border-bottom: 1px solid #314158; }
  .format-heading { grid-template-columns: 1fr; }.format-heading>p:last-child { grid-column: auto; }.format-grid { grid-template-columns: 1fr; }
  .check-heading { grid-template-columns: 1fr; }.check-heading>p:last-child { grid-column: auto; }.buyer-check ol { grid-template-columns: 1fr; }.buyer-check li { border-right: 0; }
  footer { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 520px) {
  .site-header { padding: 0 16px; }.brand b { font-size: .68rem; }.brand small { font-size: .43rem; }.header-cta { font-size: .6rem !important; }
  .hero, .sales-format, .release-policy, footer { padding-right: 18px; padding-left: 18px; }
  .hero { padding-top: 55px; padding-bottom: 55px; }.hero h1 { font-size: clamp(2.3rem,12vw,2.75rem); }.hero-lead { font-size: .86rem; }.hero-actions { display: grid; }.button { width: 100%; }
  .hero h1 span { white-space: normal; }
  .live-toolbar { display: grid; gap: 5px; padding: 10px 12px; }.live-toolbar p { justify-self: start; }.live-stage { min-height: 78vw; }.engine-tabs button { min-height: 62px; grid-template-columns: 1fr; justify-items: start; gap: 4px; padding: 9px 10px; }
  .catalog-intro, .product, .buyer-check { width: calc(100% - 36px); }.catalog-intro { grid-template-columns: 1fr; padding-top: 65px; }.catalog-intro>div, .catalog-count { grid-column: auto; grid-row: auto; }.catalog-count { display: none; }
  .product { margin-bottom: 85px; }.product-visual { min-height: 92vw; }.visual-caption { flex-wrap: wrap; }.product-copy { padding: 34px 20px 40px; }.product-copy h2 { font-size: 2.55rem; }.product-specs div { grid-template-columns: 92px 1fr; }.prices { grid-template-columns: 1fr; }.prices div { border-top: 1px solid var(--line); border-left: 0; }.prices div:first-child { border-top: 0; }
  .sales-format { padding-top: 70px; padding-bottom: 70px; }.format-card { padding: 28px 20px; }
  .buyer-check { padding-top: 70px; padding-bottom: 85px; }.buyer-check li { min-height: 0; grid-template-columns: 42px 1fr; padding: 24px 10px; }
  .release-policy span { display: block; margin: 0 0 7px; }
  footer nav { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}