:root {
  --bg: #040713;
  --bg-soft: #071027;
  --panel: rgba(9, 18, 44, 0.72);
  --panel-solid: #09132d;
  --line: rgba(120, 149, 255, 0.24);
  --line-strong: rgba(111, 136, 255, 0.64);
  --text: #f6f7ff;
  --muted: #a9b1ca;
  --cyan: #50eaf2;
  --blue: #4a7dff;
  --violet: #a45aff;
  --magenta: #ff6bd6;
  --gold: #e9d9a6;
  --serif: "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow: 0 32px 100px rgba(0, 0, 0, 0.42);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 70% 10%, rgba(43, 61, 200, 0.17), transparent 31%),
    radial-gradient(circle at 22% 34%, rgba(119, 41, 181, 0.12), transparent 24%),
    linear-gradient(180deg, #030510 0%, #050918 45%, #030610 100%);
  font-family: var(--sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(107, 95, 255, 0.5); color: #fff; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }

.page-noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  opacity: .055; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}
.cursor-glow {
  position: fixed; width: 420px; height: 420px; border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(71, 91, 255, .09), transparent 68%);
  transform: translate(-50%, -50%); transition: opacity .3s ease; opacity: 0;
}

.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 2; }
.section-shell { position: relative; padding: 132px 0; }
.section-shell::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(79, 107, 205, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(79, 107, 205, .035) 1px, transparent 1px);
  background-size: 52px 52px; mask-image: linear-gradient(to bottom, transparent, black 16%, black 84%, transparent);
}

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  border-bottom: 1px solid transparent; transition: .35s ease;
}
.site-header.scrolled { background: rgba(3, 6, 17, .78); backdrop-filter: blur(20px); border-bottom-color: rgba(117, 137, 255, .14); }
.nav-wrap { height: 88px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark { width: 48px; height: 48px; border: 1.5px solid rgba(255,255,255,.9); border-radius: 50%; position: relative; box-shadow: 0 0 20px rgba(101, 97, 255, .18); }
.brand-mark::after { content: ""; position: absolute; width: 48px; height: 18px; border: 1.5px solid rgba(151, 102, 255, .8); border-radius: 50%; top: 14px; left: -2px; transform: rotate(-18deg); }
.brand-mark i { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: #fff; right: 8px; top: 12px; box-shadow: -15px 11px 0 -3px #fff; }
.brand-mark b { position: absolute; right: -3px; top: -9px; font-size: 16px; font-weight: 400; color: var(--cyan); text-shadow: 0 0 12px var(--cyan); }
.brand-name { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name strong { font-family: var(--serif); font-size: 23px; letter-spacing: .16em; font-weight: 600; }
.brand-name small { margin-top: 6px; font-size: 8px; letter-spacing: .28em; color: rgba(255,255,255,.7); }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 32px; margin-left: auto; }
.desktop-nav a { color: rgba(255,255,255,.72); font-size: 14px; letter-spacing: .08em; position: relative; transition: .25s; }
.desktop-nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: -9px; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--violet)); transition: .25s; }
.desktop-nav a:hover, .desktop-nav a.active { color: #fff; }
.desktop-nav a:hover::after, .desktop-nav a.active::after { left: 0; right: 0; }
.nav-cta { display: inline-flex; align-items: center; gap: 10px; height: 44px; padding: 0 19px; border: 1px solid rgba(120,144,255,.35); border-radius: 99px; background: linear-gradient(135deg, rgba(80,102,255,.14), rgba(161,81,255,.1)); font-size: 13px; letter-spacing: .08em; transition: .25s; }
.nav-cta:hover { transform: translateY(-2px); border-color: rgba(120,144,255,.75); box-shadow: 0 10px 30px rgba(49, 67, 220, .18); }
.menu-button { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: transparent; padding: 9px; cursor: pointer; }
.menu-button span { display: block; height: 1px; margin: 6px 0; background: #fff; transition: .25s; }
.mobile-panel { display: none; }

.hero { min-height: 100svh; padding: 142px 0 54px; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.hero::after { content: ""; position: absolute; width: 780px; height: 780px; right: -180px; top: 12%; border-radius: 50%; border: 1px solid rgba(88, 109, 255, .14); box-shadow: 0 0 90px rgba(39,64,255,.08) inset; }
.hero-grid { display: grid; grid-template-columns: 48% 52%; align-items: center; min-height: 660px; }
.hero-copy { position: relative; z-index: 5; padding-bottom: 12px; }
.eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 10px; color: #aeb8d9; font-size: 12px; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow span { width: 34px; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--violet)); box-shadow: 0 0 12px var(--blue); }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 600; letter-spacing: .03em; text-wrap: balance; }
h1 { font-size: clamp(46px, 4.7vw, 68px); line-height: 1.18; text-shadow: 0 0 24px rgba(110,126,255,.25); }
h1 em { display: block; white-space: nowrap; }
.nowrap { white-space: nowrap; }
h1 em, h2 em { font-style: normal; background: linear-gradient(95deg, #fff 5%, #cfe9ff 42%, #b57bff 78%, #6ce8ff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 14px rgba(95,121,255,.3)); }
.hero-lead { margin: 26px 0 10px; font-size: 22px; letter-spacing: .16em; background: linear-gradient(90deg, var(--cyan), var(--magenta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { max-width: 570px; margin: 0; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; gap: 20px; align-items: center; margin-top: 34px; }
.primary-button, .secondary-button, .text-button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; border: 0; cursor: pointer; transition: .25s; }
.primary-button { min-height: 52px; padding: 0 24px; border-radius: 11px; color: #fff; font-weight: 600; letter-spacing: .06em; background: linear-gradient(115deg, #365fff, #6849f3 60%, #9b43dc); box-shadow: 0 12px 38px rgba(69,76,242,.28), 0 0 0 1px rgba(255,255,255,.13) inset; }
.primary-button:hover { transform: translateY(-3px); box-shadow: 0 18px 50px rgba(69,76,242,.38), 0 0 0 1px rgba(255,255,255,.2) inset; }
.text-button { color: #cdd3e7; font-size: 14px; }
.text-button:hover { color: #fff; transform: translateY(-2px); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-tags span { padding: 7px 12px; border: 1px solid rgba(127,147,255,.2); background: rgba(8,14,35,.5); border-radius: 6px; color: #aeb7d5; font-size: 12px; letter-spacing: .06em; }
.hero-visual { position: relative; height: 680px; z-index: 1; }
.hero-visual::before { content: ""; position: absolute; inset: 8% -6% 0 0; z-index: 2; background: linear-gradient(90deg, var(--bg) 0%, rgba(4,7,19,.35) 22%, transparent 52%); pointer-events: none; }
.hero-visual img { position: absolute; right: -130px; bottom: -28px; width: 760px; height: 760px; object-fit: cover; object-position: center; filter: saturate(1.08) contrast(1.04); mask-image: linear-gradient(to bottom, black 78%, transparent 100%); }
.hero-orbit { position: absolute; border: 1px solid rgba(94,114,255,.25); border-radius: 50%; animation: rotate 22s linear infinite; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.orbit-one { width: 480px; height: 480px; right: 60px; top: 76px; }
.orbit-one::before { left: 22px; top: 90px; }
.orbit-one::after { right: 16px; bottom: 105px; background: var(--violet); }
.orbit-two { width: 610px; height: 340px; border-radius: 50%; right: -12px; top: 190px; transform: rotate(-15deg); animation-duration: 30s; animation-direction: reverse; }
.engine-status { position: absolute; left: 15px; bottom: 110px; z-index: 5; width: 220px; padding: 16px 18px; }
.glass-panel { background: linear-gradient(135deg, rgba(10,22,56,.8), rgba(8,9,27,.72)); border: 1px solid rgba(96,123,255,.35); box-shadow: var(--shadow), 0 0 40px rgba(53,81,255,.08) inset; backdrop-filter: blur(18px); border-radius: 14px; }
.engine-status small { display: block; color: #8793bc; font-size: 9px; letter-spacing: .15em; }
.engine-status strong { display: flex; align-items: center; gap: 8px; margin: 8px 0 10px; letter-spacing: .12em; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 1.6s infinite; }
.status-bar { height: 3px; border-radius: 2px; background: rgba(255,255,255,.08); overflow: hidden; }
.status-bar i { display: block; width: 68%; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--violet)); animation: load 3.6s ease-in-out infinite alternate; }
.floating-chip { position: absolute; z-index: 7; padding: 8px 13px; border-radius: 7px; font-size: 11px; letter-spacing: .08em; color: #dfe5ff; background: rgba(11,17,47,.78); border: 1px solid rgba(117,135,255,.3); box-shadow: 0 12px 32px rgba(0,0,0,.25); animation: float 4.6s ease-in-out infinite; }
.chip-a { top: 86px; right: -4px; }
.chip-b { top: 210px; left: 20px; animation-delay: -1.4s; }
.chip-c { right: 20px; bottom: 130px; animation-delay: -2.8s; }
.hero-bottom { display: flex; justify-content: center; gap: 18px; color: #8f98b9; font-size: 13px; letter-spacing: .18em; }
.hero-bottom b { color: #4f5f91; }
.hero-bottom strong { color: var(--gold); font-weight: 500; }

.trust-strip { position: relative; border-block: 1px solid rgba(117,136,255,.11); background: rgba(6,10,25,.64); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid article { min-height: 145px; padding: 30px 24px; border-right: 1px solid rgba(117,136,255,.1); position: relative; }
.trust-grid article:last-child { border-right: 0; }
.trust-grid article::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--violet)); transition: .4s; }
.trust-grid article:hover::after { right: 0; }
.trust-grid span { color: #6774a6; font-size: 11px; letter-spacing: .14em; }
.trust-grid strong { display: block; margin: 5px 0 6px; font-family: var(--serif); font-size: 20px; letter-spacing: .1em; }
.trust-grid p { margin: 0; color: #8993b1; font-size: 12px; line-height: 1.65; }

.section-heading { max-width: 760px; margin-bottom: 54px; }
.section-heading.center { text-align: center; margin-inline: auto; }
.section-heading.center .eyebrow { justify-content: center; }
h2 { font-size: clamp(40px, 4.2vw, 64px); line-height: 1.22; }
.section-heading > p:last-child, .comparison-copy > p, .relation-copy > p, .engine-copy > p, .depth-copy > p, .visual-copy > p, .about-copy > p, .contact-copy > p { color: var(--muted); }

.problem-section { overflow: hidden; }
.problem-section::after { content: "?"; position: absolute; top: 70px; right: 6vw; font-family: var(--serif); font-size: 420px; line-height: 1; color: rgba(65,76,163,.035); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.problem-card { position: relative; min-height: 270px; padding: 34px; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(155deg, rgba(13,24,60,.76), rgba(6,10,27,.76)); box-shadow: 0 22px 60px rgba(0,0,0,.2); transition: .3s; }
.problem-card::before { content: ""; position: absolute; width: 180px; height: 180px; right: -70px; top: -70px; border-radius: 50%; background: radial-gradient(circle, rgba(94,82,255,.24), transparent 67%); }
.problem-card:hover { transform: translateY(-7px); border-color: rgba(110,134,255,.56); }
.card-index { color: #6874a0; font-size: 11px; font-style: normal; letter-spacing: .14em; }
.problem-icon { margin: 35px 0 18px; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 14px; color: var(--cyan); font-size: 25px; background: rgba(52,79,183,.12); border: 1px solid rgba(88,118,255,.3); box-shadow: 0 0 24px rgba(60,104,255,.1); }
.problem-card h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 25px; letter-spacing: .12em; }
.problem-card p { margin: 0; color: #8f99b9; font-size: 14px; }
.quote-line { margin-top: 28px; display: flex; align-items: center; justify-content: center; gap: 25px; padding: 20px; border: 1px solid rgba(95,120,255,.16); border-radius: 14px; background: rgba(8,13,31,.48); color: #cbd3ec; letter-spacing: .08em; }
.quote-line span { color: var(--cyan); text-shadow: 0 0 12px var(--cyan); }

.comparison-section { background: radial-gradient(circle at 80% 40%, rgba(71,61,175,.13), transparent 30%); }
.comparison-grid, .relation-grid, .engine-grid, .visual-layout, .about-grid { display: grid; grid-template-columns: 44% 56%; gap: 70px; align-items: center; }
.comparison-copy h2, .relation-copy h2, .engine-copy h2, .depth-copy h2, .visual-copy h2, .about-copy h2 { margin-bottom: 24px; }
.comparison-copy > p { margin-bottom: 30px; }
.comparison-list { display: grid; gap: 12px; }
.comparison-list > div { display: grid; grid-template-columns: 1.25fr repeat(3, 1fr); gap: 8px; align-items: center; padding: 14px 16px; border-radius: 10px; border: 1px solid rgba(120,139,255,.13); color: #8f99b7; background: rgba(7,12,31,.55); font-size: 12px; }
.comparison-list b { color: #dce2f6; font-size: 13px; }
.comparison-list .active { border-color: rgba(102,128,255,.45); background: linear-gradient(90deg, rgba(52,81,190,.14), rgba(115,58,185,.13)); }
.visual-frame, .showcase-image, .wide-preview { margin: 0; padding: 10px; position: relative; border-radius: 22px; border: 1px solid rgba(115,135,255,.27); background: linear-gradient(150deg, rgba(18,32,72,.72), rgba(6,10,28,.9)); box-shadow: var(--shadow), 0 0 75px rgba(50,70,212,.09); }
.visual-frame::after, .showcase-image::after, .wide-preview::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; background: linear-gradient(130deg, rgba(87,233,243,.32), transparent 25%, transparent 72%, rgba(164,90,255,.28)); mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; padding: 1px; }
.visual-frame img, .showcase-image img, .wide-preview img { border-radius: 14px; width: 100%; }
.visual-frame figcaption { padding: 13px 9px 4px; color: #8e98b7; text-align: center; font-size: 12px; letter-spacing: .08em; }

.relation-section { background: linear-gradient(180deg, transparent, rgba(16,20,63,.16), transparent); }
.relation-grid { grid-template-columns: 54% 46%; }
.relation-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 30px; }
.relation-cards article { padding: 17px; border: 1px solid rgba(110,130,255,.2); border-radius: 12px; background: rgba(8,14,36,.58); }
.relation-cards span { display: block; margin-bottom: 6px; color: #ebedff; font-weight: 600; }
.relation-cards small { color: #8791b0; line-height: 1.55; }

.engine-section { overflow: hidden; }
.engine-section::after { content: ""; position: absolute; width: 620px; height: 620px; left: -260px; top: 15%; border-radius: 50%; border: 1px solid rgba(99,113,255,.12); box-shadow: 0 0 120px rgba(44,72,255,.06) inset; }
.engine-grid { grid-template-columns: 42% 58%; }
.large-copy { font-size: 20px; line-height: 1.75; color: #d9dff5 !important; }
.large-copy strong { color: #b479ff; font-weight: 600; }
.engine-phases { display: grid; gap: 12px; margin-top: 34px; }
.engine-phases article { display: grid; grid-template-columns: 48px 1fr; gap: 15px; padding: 15px; border: 1px solid rgba(111,132,255,.16); border-radius: 11px; background: rgba(8,14,36,.52); }
.engine-phases i { font-style: normal; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: var(--cyan); background: rgba(64,93,193,.15); border: 1px solid rgba(101,128,255,.28); }
.engine-phases strong { display: block; letter-spacing: .08em; }
.engine-phases span { display: block; margin-top: 4px; color: #818baa; font-size: 12px; line-height: 1.55; }
.showcase-image { padding: 8px; }
.engine-slogan { margin-top: 38px; padding-top: 28px; border-top: 1px solid rgba(111,132,255,.15); display: flex; justify-content: center; align-items: center; gap: 18px; font-family: var(--serif); font-size: 20px; letter-spacing: .14em; }
.engine-slogan b { color: #7580a9; font-family: var(--sans); font-size: 12px; font-weight: 400; }
.engine-slogan span:last-child { color: #c178ff; }

.method-section { background: radial-gradient(circle at 65% 38%, rgba(58,83,192,.12), transparent 34%); }
.strategy-path { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.path-card { position: relative; min-height: 250px; padding: 26px 20px 20px; border: 1px solid rgba(102,130,255,.27); background: linear-gradient(165deg, rgba(14,29,70,.72), rgba(7,11,28,.82)); clip-path: polygon(0 0, 90% 0, 100% 9%, 100% 100%, 0 100%); transition: .3s; }
.path-card:hover { transform: translateY(-6px); border-color: rgba(99,147,255,.68); }
.path-card::after { content: "→"; position: absolute; right: -15px; top: 50%; color: var(--cyan); z-index: 3; text-shadow: 0 0 10px var(--cyan); }
.path-card:last-child::after { display: none; }
.path-card i { display: block; margin-bottom: 24px; color: #a97bff; font-size: 20px; font-style: normal; font-weight: 700; }
.path-card h3 { margin: 0 0 13px; font-family: var(--serif); font-size: 18px; line-height: 1.45; }
.path-card p { margin: 0; color: #8c96b4; font-size: 12px; line-height: 1.7; }
.wide-preview { margin-top: 35px; }
.method-note { margin: 22px auto 0; text-align: center; color: #929cba; }
.method-note strong { color: var(--cyan); }

.depth-section { background: linear-gradient(180deg, rgba(2,5,14,.3), rgba(9,14,37,.58), rgba(2,5,14,.3)); }
.depth-layout { display: grid; grid-template-columns: 44% 56%; gap: 58px; align-items: center; }
.depth-cards { display: grid; gap: 12px; margin-top: 30px; }
.depth-cards article { position: relative; padding: 18px 18px 18px 72px; border-radius: 12px; border: 1px solid rgba(106,130,255,.18); background: rgba(7,13,33,.66); }
.depth-cards i { position: absolute; left: 16px; top: 17px; width: 42px; height: 42px; display: grid; place-items: center; font-style: normal; border-radius: 9px; background: linear-gradient(135deg, rgba(69,105,255,.18), rgba(156,75,244,.18)); border: 1px solid rgba(109,133,255,.25); color: var(--cyan); }
.depth-cards h3 { margin: 0 0 4px; font-family: var(--serif); font-size: 20px; }
.depth-cards p { margin: 0; color: #8c96b3; font-size: 13px; }
.vertical-preview { transform: perspective(1100px) rotateY(-3deg); }

.services-section { overflow: hidden; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { min-height: 235px; padding: 26px; position: relative; border-radius: 18px; border: 1px solid rgba(109,130,255,.18); background: linear-gradient(145deg, rgba(12,24,58,.74), rgba(6,10,27,.76)); overflow: hidden; transition: .3s; }
.service-card::before { content: ""; position: absolute; width: 140px; height: 140px; border-radius: 50%; right: -60px; bottom: -70px; background: radial-gradient(circle, rgba(100,68,255,.22), transparent 70%); }
.service-card:hover { transform: translateY(-6px); border-color: rgba(113,135,255,.52); }
.service-card > span { position: absolute; top: 20px; right: 22px; color: #5f6d9d; font-size: 11px; }
.service-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 35px; border-radius: 14px; border: 1px solid rgba(100,132,255,.3); background: rgba(51,74,179,.12); color: #86f2fb; font-size: 25px; }
.service-card h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 23px; letter-spacing: .08em; }
.service-card p { margin: 0; color: #8e98b6; font-size: 13px; }

.visual-section { background: radial-gradient(circle at 78% 38%, rgba(70,74,204,.14), transparent 34%); }
.visual-layout { grid-template-columns: 38% 62%; }
.value-tags { display: flex; gap: 12px; margin: 26px 0; }
.value-tags span { padding: 8px 15px; border-radius: 99px; background: rgba(78,89,189,.13); border: 1px solid rgba(104,124,255,.22); color: #c7cdec; font-size: 12px; letter-spacing: .12em; }
.standard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.standard-grid article { padding: 14px; border: 1px solid rgba(105,128,255,.16); background: rgba(8,13,33,.55); border-radius: 10px; }
.standard-grid b { display: block; margin-bottom: 3px; }
.standard-grid small { color: #7f89a9; }

.campaign-section { overflow: hidden; }
.cooperation-layout { display: grid; grid-template-columns: 72% 28%; align-items: stretch; }
.package-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; position: relative; z-index: 3; }
.package-card { min-height: 335px; padding: 24px 17px; display: flex; flex-direction: column; border: 1px solid rgba(119,101,255,.35); border-radius: 14px; background: linear-gradient(170deg, rgba(18,24,65,.84), rgba(6,10,27,.88)); box-shadow: 0 20px 55px rgba(0,0,0,.2); transition: .3s; }
.package-card:hover { transform: translateY(-7px); border-color: rgba(162,92,255,.66); }
.package-card i { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 34px; border-radius: 50%; font-style: normal; color: #d2bcff; border: 1px solid rgba(171,111,255,.45); background: rgba(95,62,184,.13); }
.package-card h3 { margin: 0 0 12px; min-height: 54px; font-family: var(--serif); font-size: 18px; line-height: 1.45; }
.package-card p { margin: 0; color: #8e98b4; font-size: 12px; line-height: 1.7; }
.package-card small { margin-top: auto; padding-top: 16px; border-top: 1px solid rgba(120,113,255,.15); color: #be82ff; }
.cooperation-character { position: relative; margin-left: -52px; overflow: hidden; min-height: 430px; pointer-events: none; }
.cooperation-character::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 42%; z-index: 2; background: linear-gradient(90deg, var(--bg), transparent); }
.cooperation-character img { position: absolute; height: 100%; width: auto; max-width: none; right: -40px; top: 0; object-fit: cover; }
.cooperation-flow { margin-top: 20px; padding: 23px 28px; border: 1px solid rgba(110,130,255,.23); border-radius: 14px; background: rgba(8,13,34,.62); }
.cooperation-flow strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 20px; letter-spacing: .06em; }
.cooperation-flow div { display: flex; flex-wrap: wrap; gap: 13px; color: #8993b3; font-size: 12px; }
.cooperation-flow b { color: #586a9e; }

.about-section { padding-bottom: 60px; overflow: hidden; }
.about-grid { grid-template-columns: 48% 52%; min-height: 690px; }
.about-copy blockquote { margin: 34px 0 0; padding: 22px 24px; border-left: 2px solid var(--violet); background: rgba(10,16,39,.55); color: #9ba5c2; }
.about-signature { margin-top: 42px; color: #b9b08d; letter-spacing: .2em; font-size: 11px; }
.about-signature span { color: var(--cyan); }
.contact-visual { position: relative; min-height: 680px; }
.contact-visual::before { content: ""; position: absolute; inset: 50px 0 20px 20%; border-radius: 50%; background: radial-gradient(circle, rgba(62,76,223,.18), transparent 65%); filter: blur(6px); }
.contact-character { position: absolute; width: 760px; height: 760px; max-width: none; right: -140px; bottom: -65px; object-fit: cover; object-position: center; mask-image: linear-gradient(to bottom, black 75%, transparent 100%); }

.contact-section { padding: 50px 0 120px; position: relative; }
.contact-panel { min-height: 480px; display: grid; grid-template-columns: 55% 45%; gap: 50px; align-items: center; padding: 64px; border: 1px solid rgba(111,132,255,.28); border-radius: 28px; overflow: hidden; background: linear-gradient(135deg, rgba(13,26,63,.88), rgba(5,9,25,.92)); box-shadow: var(--shadow), 0 0 80px rgba(58,68,220,.08) inset; }
.contact-panel::before { content: ""; position: absolute; width: 420px; height: 420px; left: -130px; bottom: -220px; border: 1px solid rgba(100,119,255,.2); border-radius: 50%; box-shadow: 0 0 80px rgba(47,80,255,.08) inset; }
.contact-copy h2 { font-size: clamp(38px, 4vw, 58px); }
.contact-actions { display: flex; gap: 14px; margin-top: 28px; }
.secondary-button { min-height: 52px; padding: 0 22px; color: #dfe4f8; background: rgba(12,20,48,.72); border: 1px solid rgba(118,137,255,.3); border-radius: 11px; }
.secondary-button:hover { transform: translateY(-3px); border-color: rgba(119,141,255,.7); }
.contact-card { padding: 26px; display: grid; grid-template-columns: 132px 1fr; gap: 24px; align-items: center; }
.qr-wrap { padding: 8px; background: rgba(255,255,255,.03); border-radius: 10px; border: 1px solid rgba(119,139,255,.18); }
.contact-lines p { margin: 0; padding: 10px 0; border-bottom: 1px solid rgba(119,139,255,.1); }
.contact-lines p:last-child { border-bottom: 0; }
.contact-lines small { display: block; color: #7985aa; font-size: 9px; letter-spacing: .12em; }
.contact-lines strong, .contact-lines a, .inline-copy { display: block; margin-top: 3px; color: #edf0ff; font-size: 13px; font-weight: 500; }
.inline-copy { padding: 0; border: 0; background: transparent; cursor: pointer; text-align: left; }
.inline-copy:hover, .contact-lines a:hover { color: var(--cyan); }

.site-footer { padding: 34px 0; border-top: 1px solid rgba(112,132,255,.12); background: rgba(2,5,13,.68); }
.footer-grid { display: grid; grid-template-columns: auto 1fr auto auto; gap: 28px; align-items: center; }
.footer-brand .brand-mark { width: 38px; height: 38px; }
.footer-brand .brand-mark::after { width: 38px; height: 14px; top: 11px; }
.footer-brand .brand-mark i { width: 10px; height: 10px; right: 7px; top: 9px; box-shadow: -12px 9px 0 -3px #fff; }
.footer-brand .brand-name strong { font-size: 18px; }
.footer-grid p { margin: 0; color: #6f7999; font-size: 10px; letter-spacing: .08em; }
.footer-grid a { color: #a5aecb; font-size: 11px; }

.toast { position: fixed; left: 50%; bottom: 30px; z-index: 100; transform: translate(-50%, 20px); padding: 10px 18px; border-radius: 99px; color: #fff; background: rgba(13,22,51,.92); border: 1px solid rgba(112,137,255,.4); box-shadow: 0 18px 45px rgba(0,0,0,.35); opacity: 0; pointer-events: none; transition: .25s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.mobile-fixed-cta { display: none; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); transition-delay: var(--delay, 0ms); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity: .45; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.2); } }
@keyframes load { from { width: 28%; } to { width: 88%; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

@media (max-width: 1050px) {
  .desktop-nav { gap: 20px; }
  .nav-cta { display: none; }
  .hero-grid { grid-template-columns: 52% 48%; }
  .hero-visual img { right: -220px; }
  .strategy-path { grid-template-columns: repeat(3, 1fr); }
  .path-card::after { display: none; }
  .package-grid { grid-template-columns: repeat(3, 1fr); }
  .cooperation-layout { grid-template-columns: 1fr; }
  .cooperation-character { display: none; }
}

@media (max-width: 820px) {
  .container { width: min(100% - 32px, 680px); }
  .section-shell { padding: 92px 0; }
  .nav-wrap { height: 72px; }
  .desktop-nav { display: none; }
  .menu-button { display: block; }
  .site-header.menu-open .menu-button span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.menu-open .menu-button span:nth-child(2) { opacity: 0; }
  .site-header.menu-open .menu-button span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-panel { display: grid; position: absolute; top: 72px; left: 0; right: 0; padding: 10px 22px 24px; background: rgba(3,7,18,.97); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(111,133,255,.17); opacity: 0; transform: translateY(-8px); pointer-events: none; transition: .25s; }
  .site-header.menu-open .mobile-panel { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .mobile-panel a { padding: 14px 8px; border-bottom: 1px solid rgba(111,133,255,.1); }
  .mobile-panel .mobile-cta { margin-top: 12px; text-align: center; border: 1px solid rgba(111,133,255,.3); border-radius: 9px; background: rgba(75,84,211,.16); }
  .hero { min-height: auto; padding-top: 120px; }
  .hero-grid { display: flex; flex-direction: column; min-height: 0; }
  .hero-copy { width: 100%; }
  h1 { font-size: clamp(42px, 11vw, 64px); }
  .hero-lead { font-size: 18px; letter-spacing: .08em; }
  .hero-visual { width: 100%; height: 560px; margin-top: 18px; }
  .hero-visual img { width: 620px; height: 620px; right: -130px; bottom: 0; }
  .hero-visual::before { inset: 0; background: linear-gradient(90deg, var(--bg), transparent 45%); }
  .orbit-one { right: -30px; }
  .orbit-two { right: -100px; }
  .chip-a { right: 20px; }
  .chip-c { right: 8px; }
  .engine-status { left: 5px; bottom: 80px; }
  .hero-bottom { display: none; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid article:nth-child(2) { border-right: 0; }
  .trust-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(117,136,255,.1); }
  .problem-grid, .service-grid { grid-template-columns: 1fr 1fr; }
  .comparison-grid, .relation-grid, .engine-grid, .visual-layout, .about-grid, .depth-layout { grid-template-columns: 1fr; gap: 42px; }
  .relation-grid .visual-frame { order: 2; }
  .engine-grid .showcase-image { order: 2; }
  .strategy-path { grid-template-columns: 1fr 1fr; }
  .package-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { min-height: 0; }
  .contact-visual { min-height: 560px; }
  .contact-character { width: 650px; height: 650px; right: -100px; }
  .contact-panel { grid-template-columns: 1fr; padding: 42px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid p { grid-column: span 2; }
}

@media (max-width: 560px) {
  body { padding-bottom: 68px; }
  .container { width: calc(100% - 28px); }
  .brand-name strong { font-size: 19px; }
  .brand-mark { width: 42px; height: 42px; }
  .brand-mark::after { width: 42px; height: 15px; top: 13px; }
  .hero { padding-top: 108px; }
  h1 { font-size: 42px; line-height: 1.2; }
  h1 em { white-space: normal; }
  h2 { font-size: 38px; }
  .hero-desc { font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; width: 100%; }
  .primary-button, .secondary-button { width: 100%; }
  .text-button { justify-content: flex-start; padding-left: 2px; }
  .hero-visual { height: 460px; }
  .hero-visual img { width: 520px; height: 520px; right: -135px; }
  .orbit-one { width: 350px; height: 350px; }
  .orbit-two { width: 460px; height: 250px; }
  .floating-chip { font-size: 9px; }
  .chip-b { display: none; }
  .engine-status { width: 176px; bottom: 46px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid article { border-right: 0; border-bottom: 1px solid rgba(117,136,255,.1); }
  .problem-grid, .service-grid, .strategy-path, .package-grid { grid-template-columns: 1fr; }
  .relation-cards { grid-template-columns: 1fr; }
  .comparison-list > div { grid-template-columns: 1fr; }
  .quote-line { align-items: flex-start; gap: 10px; font-size: 13px; }
  .engine-slogan { font-size: 16px; gap: 9px; letter-spacing: .04em; }
  .depth-cards article { padding-left: 66px; }
  .contact-visual { min-height: 450px; }
  .contact-character { width: 520px; height: 520px; right: -112px; }
  .contact-panel { padding: 30px 20px; border-radius: 20px; }
  .contact-actions { flex-direction: column; }
  .contact-card { grid-template-columns: 100px 1fr; padding: 18px; gap: 16px; }
  .footer-grid { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer-grid p { grid-column: auto; }
  .mobile-fixed-cta { display: flex; position: fixed; left: 14px; right: 14px; bottom: 12px; height: 50px; z-index: 55; align-items: center; justify-content: center; gap: 12px; border-radius: 12px; background: linear-gradient(110deg, #385fff, #7c45f3); box-shadow: 0 16px 45px rgba(43,57,197,.42); font-weight: 600; letter-spacing: .08em; }
  .toast { bottom: 76px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}