:root {
  --bg: #050510;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --text: #f6f7ff;
  --muted: rgba(246, 247, 255, 0.68);
  --line: rgba(255, 255, 255, 0.16);
  --cyan: #70f5ff;
  --violet: #9a7cff;
  --pink: #ff72cf;
  --lime: #ccff74;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(112, 245, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(154, 124, 255, 0.25), transparent 36rem),
    radial-gradient(circle at 80% 85%, rgba(255, 114, 207, 0.16), transparent 32rem),
    var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  z-index: 50;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
}

.cursor-orb {
  position: fixed;
  width: 32rem;
  height: 32rem;
  border-radius: 999px;
  pointer-events: none;
  translate: -50% -50%;
  background: radial-gradient(circle, rgba(112,245,255,.16), rgba(154,124,255,.08) 36%, transparent 66%);
  filter: blur(8px);
  z-index: 0;
  opacity: .7;
}

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1120px, calc(100% - 32px));
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 9, 24, 0.62);
  backdrop-filter: blur(22px);
  box-shadow: 0 18px 60px rgba(0,0,0,.22);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--violet) 52%, var(--pink));
  color: #04040c;
  font-weight: 900;
  font-size: 12px;
  box-shadow: 0 0 32px rgba(112,245,255,.34);
}
.nav { display: flex; gap: 6px; }
.nav a { padding: 10px 14px; color: var(--muted); border-radius: 999px; font-size: 14px; }
.nav a:hover { color: var(--text); background: rgba(255,255,255,.08); }

.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 40px;
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 150px 0 90px;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: -1; }
.grid-plane {
  position: absolute;
  inset: auto -16vw -18vh -16vw;
  height: 50vh;
  background-image:
    linear-gradient(rgba(112,245,255,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112,245,255,.14) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: perspective(700px) rotateX(64deg);
  transform-origin: bottom;
  mask-image: linear-gradient(transparent, black 35%, transparent 92%);
}
.aurora, .orb, .data-ring { position: absolute; border-radius: 999px; }
.aurora { filter: blur(42px); opacity: .62; animation: float 9s ease-in-out infinite alternate; }
.aurora-a { width: 430px; height: 160px; left: 4%; top: 27%; background: linear-gradient(90deg, var(--cyan), transparent, var(--violet)); transform: rotate(-18deg); }
.aurora-b { width: 360px; height: 140px; right: 2%; top: 17%; background: linear-gradient(90deg, var(--pink), transparent, var(--cyan)); transform: rotate(24deg); animation-delay: -2s; }
.orb-a { width: 12px; height: 12px; left: 48%; top: 24%; background: var(--lime); box-shadow: 0 0 30px var(--lime); }
.orb-b { width: 8px; height: 8px; right: 9%; top: 62%; background: var(--cyan); box-shadow: 0 0 26px var(--cyan); }
.data-ring { border: 1px solid rgba(255,255,255,.22); box-shadow: inset 0 0 38px rgba(112,245,255,.14), 0 0 50px rgba(154,124,255,.14); animation: spin 18s linear infinite; }
.ring-a { width: 340px; height: 340px; right: 7%; top: 23%; }
.ring-b { width: 170px; height: 170px; left: 43%; bottom: 12%; animation-direction: reverse; }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 800; }
.eyebrow span { width: 36px; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--pink)); }

h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(54px, 8vw, 116px);
  line-height: .88;
  letter-spacing: -0.08em;
  margin: 16px 0 26px;
  font-weight: 900;
}
h1 span {
  color: transparent;
  background: linear-gradient(90deg, #fff, var(--cyan), var(--violet), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 54px rgba(112,245,255,.24);
}
.hero-lead { max-width: 650px; color: var(--muted); line-height: 1.95; font-size: 17px; }
.hero-actions { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.button {
  border: 0;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { color: #04040c; background: linear-gradient(135deg, var(--cyan), #fff 42%, var(--pink)); box-shadow: 0 16px 44px rgba(112,245,255,.22); }
.button.ghost { border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,.06); }

.hero-visual { position: relative; min-height: 650px; display: grid; place-items: center; perspective: 1000px; }
.phone-stack { position: relative; width: min(360px, 80vw); height: 620px; transform-style: preserve-3d; animation: hoverPhone 6s ease-in-out infinite alternate; }
.phone {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 48px;
  background: linear-gradient(145deg, rgba(255,255,255,.18), rgba(255,255,255,.035));
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.09);
  backdrop-filter: blur(18px);
  overflow: hidden;
}
.phone-front { transform: rotateY(-12deg) rotateX(8deg) rotateZ(3deg); }
.phone-back { transform: translate3d(54px, 38px, -110px) rotateY(-18deg) rotateX(12deg) rotateZ(7deg); opacity: .36; }
.phone-screen { position: absolute; inset: 15px; border-radius: 36px; background: radial-gradient(circle at 35% 20%, rgba(112,245,255,.24), transparent 30%), radial-gradient(circle at 80% 40%, rgba(255,114,207,.18), transparent 34%), rgba(5,5,16,.82); border: 1px solid rgba(255,255,255,.14); overflow: hidden; }
.phone-screen.soft { background: linear-gradient(145deg, rgba(154,124,255,.28), rgba(112,245,255,.08)); }
.phone-notch { position: absolute; z-index: 2; top: 22px; left: 50%; transform: translateX(-50%); width: 118px; height: 28px; border-radius: 999px; background: #050510; }
.app-topline { position: absolute; top: 54px; left: 28px; right: 28px; display: flex; gap: 8px; }
.app-topline span { height: 8px; flex: 1; border-radius: 999px; background: rgba(255,255,255,.18); }
.app-topline span:first-child { background: linear-gradient(90deg, var(--cyan), var(--violet)); flex: 1.8; }
.app-core { position: absolute; inset: 120px 46px 220px; display: grid; place-items: center; }
.core-pulse { width: 190px; height: 190px; border-radius: 50%; background: conic-gradient(from 180deg, var(--cyan), var(--violet), var(--pink), var(--cyan)); filter: drop-shadow(0 0 36px rgba(112,245,255,.45)); animation: spin 7s linear infinite; }
.core-pulse::after { content: ""; position: absolute; inset: 18px; border-radius: 50%; background: #080816; }
.core-label { position: absolute; text-align: center; font-size: 22px; line-height: .95; font-weight: 900; letter-spacing: -.05em; }
.metric-card { position: absolute; left: 28px; right: 28px; padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 22px; background: rgba(255,255,255,.08); backdrop-filter: blur(16px); }
.metric-card small { display: block; color: var(--muted); margin-bottom: 6px; }
.metric-card strong { font-size: 34px; letter-spacing: -.05em; }
.card-a { bottom: 128px; }
.card-b { bottom: 32px; }
.mini-bars { position: absolute; right: 38px; bottom: 144px; display: flex; gap: 5px; align-items: end; }
.mini-bars i { display: block; width: 7px; border-radius: 999px; background: linear-gradient(var(--lime), var(--cyan)); }
.mini-bars i:nth-child(1) { height: 20px; } .mini-bars i:nth-child(2) { height: 34px; } .mini-bars i:nth-child(3) { height: 26px; } .mini-bars i:nth-child(4) { height: 44px; } .mini-bars i:nth-child(5) { height: 30px; }
.holo-panel { position: absolute; width: 220px; padding: 16px; border: 1px solid rgba(255,255,255,.18); border-radius: 22px; background: rgba(255,255,255,.08); backdrop-filter: blur(18px); box-shadow: 0 20px 70px rgba(0,0,0,.26); }
.holo-panel span { color: var(--cyan); font-size: 12px; font-weight: 900; }
.holo-panel strong { display: block; margin: 8px 0 4px; }
.holo-panel p { margin: 0; color: var(--muted); font-size: 13px; }
.panel-a { top: 100px; left: 0; }
.panel-b { right: 0; bottom: 120px; }

.section { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 90px 0; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
h2 { font-size: clamp(36px, 5vw, 68px); line-height: .98; letter-spacing: -.06em; margin-bottom: 18px; }
.section-heading p:not(.eyebrow), .contact-copy p { color: var(--muted); line-height: 1.9; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { min-height: 290px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.04)); box-shadow: 0 24px 70px rgba(0,0,0,.18); position: relative; overflow: hidden; }
.service-card::after { content: ""; position: absolute; inset: auto -20% -35% -20%; height: 150px; background: radial-gradient(circle, rgba(112,245,255,.22), transparent 70%); }
.service-card.featured { background: linear-gradient(145deg, rgba(112,245,255,.16), rgba(154,124,255,.1), rgba(255,114,207,.09)); transform: translateY(-18px); }
.card-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 18px; background: rgba(255,255,255,.1); border: 1px solid var(--line); color: var(--cyan); font-size: 26px; margin-bottom: 52px; }
.service-card h3 { font-size: 24px; letter-spacing: -.04em; }
.service-card p { color: var(--muted); line-height: 1.8; }

.glass-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; border: 1px solid var(--line); border-radius: 36px; padding: 44px; background: linear-gradient(135deg, rgba(255,255,255,.1), rgba(255,255,255,.045)); backdrop-filter: blur(20px); box-shadow: var(--shadow); }
.principle-list { display: grid; gap: 14px; }
.principle-list p { margin: 0; padding: 18px 20px; border-radius: 20px; background: rgba(255,255,255,.07); color: var(--muted); }
.principle-list b { color: var(--cyan); margin-right: 8px; }

.contact-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; border: 1px solid var(--line); border-radius: 38px; padding: 32px; background: radial-gradient(circle at 10% 10%, rgba(112,245,255,.16), transparent 34%), radial-gradient(circle at 80% 80%, rgba(255,114,207,.12), transparent 34%), rgba(255,255,255,.065); box-shadow: var(--shadow); }
.mail-note { font-size: 13px; }
.contact-form { display: grid; gap: 16px; }
label { display: grid; gap: 8px; color: rgba(246,247,255,.86); font-weight: 700; }
input, textarea { width: 100%; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; background: rgba(5,5,16,.56); color: var(--text); padding: 15px 16px; font: inherit; outline: none; }
input:focus, textarea:focus { border-color: rgba(112,245,255,.7); box-shadow: 0 0 0 4px rgba(112,245,255,.08); }
textarea { resize: vertical; }
.form-status { min-height: 20px; color: var(--cyan); margin: 0; }
.site-footer { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 30px 0 50px; display: flex; justify-content: space-between; color: var(--muted); border-top: 1px solid var(--line); }

@keyframes float { from { transform: translateY(-12px) rotate(-18deg); } to { transform: translateY(20px) rotate(-12deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes hoverPhone { from { transform: translateY(-10px) rotateX(0deg); } to { transform: translateY(18px) rotateX(2deg); } }

@media (max-width: 900px) {
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 130px; }
  .hero-visual { min-height: 560px; }
  .service-grid, .glass-band, .contact-card { grid-template-columns: 1fr; }
  .service-card.featured { transform: none; }
  .panel-a { left: 8px; top: 40px; }
  .panel-b { right: 8px; bottom: 40px; }
}

@media (max-width: 560px) {
  .site-header { top: 10px; width: calc(100% - 20px); }
  .hero, .section, .site-footer { width: calc(100% - 24px); }
  h1 { font-size: 54px; }
  .hero-visual { min-height: 500px; }
  .phone-stack { width: 270px; height: 468px; }
  .holo-panel { width: 178px; }
  .contact-card, .glass-band, .service-card { padding: 22px; }
  .site-footer { flex-direction: column; gap: 12px; }
}