:root {
  --navy: #07111f;
  --navy-2: #0b1b2e;
  --ink: #102134;
  --paper: #f4f7f9;
  --white: #fff;
  --line: #cad4dc;
  --blue: #3fb7ff;
  --blue-deep: #168fd6;
  --amber: #f2a64a;
  --muted: #5d6b78;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Noto Sans JP", sans-serif; color: var(--ink); background: var(--paper); line-height: 1.8; }
a { color: inherit; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { position: fixed; z-index: 30; top: 0; left: 0; right: 0; height: 84px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 4vw, 64px); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.14); background: rgba(7,17,31,.74); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 600 1.25rem/1 "Space Grotesk", sans-serif; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(63,183,255,.65); color: var(--blue); font-size: 1rem; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 38px); font-size: .86rem; font-weight: 500; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--blue); }
.nav-cta { padding: 10px 18px; border: 1px solid rgba(255,255,255,.35); }
.menu-button { display: none; color: white; background: none; border: 0; padding: 8px; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 1px; background: currentColor; margin: 6px 0; transition: transform .2s ease; }

.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; color: white; background: radial-gradient(circle at 78% 38%, #123456 0, var(--navy) 36%, #050b13 76%); padding: 130px clamp(24px, 8vw, 130px) 90px; }
.hero-grid { position: absolute; inset: 0; opacity: .15; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, transparent 4%, black 28%, black 75%, transparent); }
.hero-glow { position: absolute; width: min(48vw, 660px); aspect-ratio: 1; right: -8%; top: 13%; border-radius: 50%; border: 1px solid rgba(63,183,255,.25); box-shadow: 0 0 120px rgba(63,183,255,.16), inset 0 0 100px rgba(63,183,255,.08); }
.hero-glow::before, .hero-glow::after { content: ""; position: absolute; border-radius: inherit; border: 1px solid rgba(255,255,255,.12); inset: 13%; transform: rotate(18deg); }
.hero-glow::after { inset: 29%; background: radial-gradient(circle at 35% 30%, rgba(63,183,255,.55), rgba(15,40,66,.18) 50%, transparent 72%); box-shadow: 0 0 70px rgba(63,183,255,.16); }
.hero-content { position: relative; z-index: 2; max-width: 920px; }
.eyebrow, .section-label, .purpose-label, .feature-kicker, .card-kicker { font: 600 .75rem/1.4 "Space Grotesk", sans-serif; letter-spacing: .18em; }
.eyebrow { color: var(--blue); margin: 0 0 30px; }
.hero h1 { max-width: 900px; margin: 0; font-size: clamp(3rem, 7.6vw, 7.2rem); line-height: 1.08; letter-spacing: -.06em; font-weight: 700; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.68); }
.hero-copy { max-width: 680px; margin: 34px 0 0; color: #ccd9e5; font-size: clamp(1rem, 1.4vw, 1.18rem); line-height: 2; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 42px; min-width: 210px; padding: 16px 20px; font-size: .9rem; font-weight: 600; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy); background: var(--blue); }
.button-secondary { border: 1px solid rgba(255,255,255,.4); }
.hero-index { position: absolute; right: clamp(24px, 4vw, 64px); top: 50%; transform: translateY(-50%); display: grid; justify-items: center; gap: 10px; font: 500 .7rem/1 "Space Grotesk"; color: #9eb2c4; }
.hero-index div { width: 1px; height: 120px; background: linear-gradient(var(--blue) 30%, rgba(255,255,255,.18) 30%); }
.scroll-note { position: absolute; bottom: 28px; right: clamp(24px, 4vw, 64px); margin: 0; font: 500 .65rem/1 "Space Grotesk"; letter-spacing: .18em; color: #8095a9; writing-mode: vertical-rl; }

.section { position: relative; padding: clamp(82px, 11vw, 150px) clamp(24px, 7vw, 100px); scroll-margin-top: 84px; }
.section > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section-label { display: flex; align-items: center; gap: 18px; margin-bottom: 55px; color: var(--muted); }
.section-label span { color: var(--blue-deep); }
.section-label::after { content: ""; width: 64px; height: 1px; background: currentColor; opacity: .4; }
.section-label.light { color: #93a9bc; }
.section h2 { margin: 0; font-size: clamp(2.25rem, 5vw, 5rem); line-height: 1.2; letter-spacing: -.055em; }
.intro { background: #f7f9fb; }
.intro-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 9vw, 130px); align-items: start; }
.intro-copy { padding-top: 10px; font-size: 1.02rem; color: #465666; }
.intro-copy p { margin: 0 0 25px; }
.process { margin-top: clamp(70px, 9vw, 120px); display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process article { position: relative; min-height: 250px; padding: 30px 22px; border-right: 1px solid var(--line); }
.process article:last-child { border-right: 0; }
.process article > span { font: 600 .72rem/1 "Space Grotesk"; color: var(--blue-deep); }
.process h3 { margin: 68px 0 13px; font-size: 1.35rem; }
.process p { margin: 0; color: var(--muted); font-size: .85rem; line-height: 1.8; }

.business { background: #e9eef2; }
.section-heading { display: grid; grid-template-columns: .48fr 1fr; align-items: end; margin-bottom: 70px; }
.section-heading .section-label { align-self: start; margin: 18px 0 0; }
.business-feature { padding: clamp(28px, 4vw, 52px); color: white; background: linear-gradient(135deg, #0b2238, #07111f 72%); border: 1px solid #1d3b55; }
.feature-topline { display: flex; justify-content: space-between; align-items: center; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.17); }
.status { padding: 7px 11px; color: var(--navy); background: var(--blue); font: 600 .7rem/1 "Space Grotesk"; letter-spacing: .12em; }
.feature-number { font: 500 .8rem/1 "Space Grotesk"; color: #6f8da5; }
.feature-body { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; padding-top: clamp(45px, 7vw, 90px); }
.feature-kicker { margin: 0 0 12px; color: var(--blue); }
.feature-body h3 { margin: 0; font-size: clamp(2rem, 4vw, 4.3rem); line-height: 1.15; letter-spacing: -.05em; }
.feature-copy { color: #aebfce; }
.feature-lead { margin: 0 0 22px; color: white; font-size: clamp(1.55rem, 2.5vw, 2.4rem); font-weight: 600; line-height: 1.45; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 30px 0; }
.tags span { padding: 7px 11px; font-size: .76rem; color: #b8ccdc; border: 1px solid #36506a; }
.text-link { display: inline-flex; gap: 28px; align-items: center; padding-bottom: 7px; color: white; border-bottom: 1px solid var(--blue); font-weight: 600; font-size: .9rem; }
.business-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: #bac5ce; }
.business-grid article { position: relative; min-height: 350px; padding: clamp(28px, 4vw, 48px); background: #f7f9fa; }
.card-number { position: absolute; right: 32px; top: 30px; font: 500 .8rem/1 "Space Grotesk"; color: #8595a3; }
.card-kicker { color: var(--blue-deep); margin: 0 0 45px; }
.business-grid h3 { margin: 0 0 18px; font-size: clamp(1.8rem, 3vw, 2.8rem); }
.business-grid p:not(.card-kicker) { max-width: 450px; color: var(--muted); }
.card-status { position: absolute; bottom: 35px; left: clamp(28px, 4vw, 48px); font-size: .75rem; font-weight: 600; color: var(--blue-deep); }
.card-status.muted { color: #7d8992; }

.philosophy { color: white; background: var(--navy); }
.philosophy-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(50px, 9vw, 120px); align-items: end; }
.purpose-label { color: var(--amber); margin: 0 0 25px; }
.philosophy-copy { margin: 0 0 9px; color: #aebdca; font-size: 1.05rem; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 95px; border-top: 1px solid #2a3c4d; border-bottom: 1px solid #2a3c4d; }
.values article { min-height: 260px; padding: 30px; border-right: 1px solid #2a3c4d; }
.values article:last-child { border-right: 0; }
.values span { font: 500 .68rem/1 "Space Grotesk"; letter-spacing: .15em; color: #71889b; }
.values h3 { margin: 75px 0 0; font-size: clamp(1.35rem, 2.4vw, 2.15rem); line-height: 1.5; }

.company { background: #f7f9fb; }
.company-table { border-top: 1px solid var(--ink); }
.company-table div { display: grid; grid-template-columns: 220px 1fr; padding: 24px 0; border-bottom: 1px solid var(--line); }
.company-table dt { font-size: .85rem; color: var(--muted); }
.company-table dd { margin: 0; font-weight: 500; }
.company-table small { display: inline-block; margin-left: 12px; padding: 3px 8px; color: #8b5a1b; background: #fff1dc; font-size: .7rem; font-weight: 600; }
.draft-notice { margin-top: 24px; padding: 18px 20px; background: #e9eef2; color: #5d6974; font-size: .78rem; }

.contact { color: white; background: #0b2238; }
.contact { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(50px, 9vw, 140px); }
.contact > * { width: 100%; }
.contact-main .section-label { margin-left: 0; }
.contact-main h2 { margin-bottom: 30px; }
.contact-main p { color: #afc1d0; }
.contact-options { padding-top: 75px; }
.contact-options div { display: grid; grid-template-columns: 45px 1fr auto; align-items: center; gap: 10px; padding: 22px 0; border-bottom: 1px solid #36506a; }
.contact-options span { font: 500 .72rem/1 "Space Grotesk"; color: var(--blue); }
.contact-options p { margin: 0; }
.contact-options b { color: #869bad; font-size: .7rem; font-weight: 500; }
.contact-note { grid-column: 2; color: #7f96aa; font-size: .75rem; }

footer { padding: 52px clamp(24px, 7vw, 100px) 30px; color: white; background: #050b13; }
footer > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.footer-brand { display: flex; }
footer > p { margin-top: 40px; color: #8296a8; }
footer > div { display: flex; justify-content: space-between; margin-top: 70px; padding-top: 25px; border-top: 1px solid #233242; color: #617587; font: 500 .7rem/1 "Space Grotesk"; letter-spacing: .08em; }

@media (max-width: 820px) {
  .site-header { height: 70px; padding: 0 20px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 70px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px 20px 25px; background: rgba(7,17,31,.98); border-bottom: 1px solid #2b4054; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-cta { margin-top: 12px; padding: 13px 16px !important; text-align: center; border: 1px solid rgba(255,255,255,.35) !important; }
  .hero { align-items: flex-end; min-height: 830px; padding: 130px 24px 100px; }
  .hero h1 { font-size: clamp(3.2rem, 14vw, 5rem); }
  .hero-copy { margin-top: 28px; font-size: 1rem; line-height: 1.9; }
  .hero-glow { width: 90vw; right: -35%; top: 12%; }
  .hero-index, .scroll-note { display: none; }
  .button { min-width: 100%; }
  .section { padding: 82px 24px; }
  .section-label { margin-bottom: 35px; }
  .intro-layout, .section-heading, .feature-body, .philosophy-layout, .contact { grid-template-columns: 1fr; }
  .intro-layout { gap: 35px; }
  .process { grid-template-columns: 1fr; }
  .process article { min-height: 0; padding: 24px 12px; border-right: 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 45px 82px 1fr; align-items: center; gap: 6px; }
  .process article:last-child { border-bottom: 0; }
  .process h3, .process p { margin: 0; }
  .section-heading { gap: 15px; }
  .section-heading .section-label { margin-top: 0; }
  .business-feature { margin-left: -8px; margin-right: -8px; }
  .feature-body { gap: 40px; padding-top: 50px; }
  .business-grid { grid-template-columns: 1fr; }
  .business-grid article { min-height: 310px; }
  .philosophy-layout { gap: 42px; }
  .values { grid-template-columns: 1fr; margin-top: 60px; }
  .values article { min-height: 190px; border-right: 0; border-bottom: 1px solid #2a3c4d; }
  .values article:last-child { border-bottom: 0; }
  .values h3 { margin-top: 48px; }
  .company-table div { grid-template-columns: 1fr; gap: 8px; }
  .company-table small { display: block; width: fit-content; margin: 8px 0 0; }
  .contact { row-gap: 0; }
  .contact-options { padding-top: 35px; }
  .contact-note { grid-column: 1; margin-top: 20px; }
  footer > div { flex-direction: column; gap: 24px; }
}

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

/* Future system visual — v2 */
:root {
  --navy: #05070d;
  --navy-2: #0a121d;
  --ink: #0b1521;
  --paper: #e8eef2;
  --blue: #4ee9ff;
  --blue-deep: #0e9eb8;
  --amber: #f2ad52;
  --violet: #7386a6;
  --line: rgba(137, 188, 214, .2);
  --muted: #91a7b8;
}

html { background: #05070d; }
body { overflow-x: hidden; color: #f3fbff; background: #05070d; }
body::before {
  content: "";
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  opacity: .045;
  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='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

.site-header {
  border-color: rgba(116,199,226,.16);
  background: linear-gradient(180deg, rgba(5,7,13,.92), rgba(5,7,13,.56));
  backdrop-filter: blur(22px);
  transition: height .25s ease, background .25s ease;
}
.site-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue));
  box-shadow: 0 0 16px var(--blue);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left;
  transition: transform .08s linear;
}
.site-header.scrolled { height: 70px; background: rgba(5,7,13,.95); }
.brand-mark {
  position: relative;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, rgba(78,233,255,.12), rgba(242,173,82,.06));
  border-color: rgba(78,233,255,.6);
  clip-path: polygon(0 0, 76% 0, 100% 24%, 100% 100%, 24% 100%, 0 76%);
  box-shadow: inset 0 0 16px rgba(78,233,255,.08);
}
.brand-mark::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  right: 4px;
  top: 4px;
  background: var(--amber);
  box-shadow: 0 0 9px rgba(242,173,82,.7);
}
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 1px;
  background: var(--blue);
  transition: right .25s ease;
}
.site-nav a { position: relative; }
.site-nav a:hover::after { right: 0; }
.nav-cta {
  color: var(--blue);
  border-color: rgba(78,233,255,.38);
  background: rgba(78,233,255,.05);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.hero {
  isolation: isolate;
  background: radial-gradient(circle at 76% 45%, rgba(32,44,88,.68) 0, rgba(8,13,24,.86) 29%, #05070d 66%);
  padding-bottom: 112px;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(118deg, transparent 0 57%, rgba(78,233,255,.07) 57.1% 57.25%, transparent 57.35%),
    linear-gradient(62deg, transparent 0 72%, rgba(242,173,82,.045) 72.1% 72.25%, transparent 72.35%);
}
.hero-grid {
  z-index: -1;
  opacity: .23;
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, black, rgba(0,0,0,.22) 68%, transparent);
  transform: perspective(700px) rotateX(58deg) scale(1.7) translateY(15%);
  transform-origin: bottom;
}
.hero-beam {
  position: absolute;
  z-index: -1;
  width: 55vw;
  height: 130vh;
  right: -13vw;
  top: -15vh;
  background: linear-gradient(90deg, transparent, rgba(78,233,255,.07), rgba(115,134,166,.055), transparent);
  transform: rotate(22deg);
  filter: blur(8px);
}
.future-core {
  position: absolute;
  z-index: -1;
  right: clamp(-150px, 3vw, 70px);
  top: 50%;
  width: min(48vw, 650px);
  aspect-ratio: 1;
  transform: translateY(-49%);
  filter: drop-shadow(0 0 50px rgba(78,233,255,.11));
}
.core-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(78,233,255,.3); }
.ring-one { inset: 0; border-style: dashed; animation: densetu-spin 34s linear infinite; }
.ring-two {
  inset: 14%;
  border-color: rgba(115,134,166,.3);
  border-left-color: transparent;
  border-bottom-color: rgba(78,233,255,.65);
  animation: densetu-spin-reverse 18s linear infinite;
}
.ring-three {
  inset: 31%;
  border-width: 2px;
  border-color: rgba(78,233,255,.75);
  border-right-color: transparent;
  box-shadow: inset 0 0 70px rgba(78,233,255,.06), 0 0 40px rgba(78,233,255,.08);
  animation: densetu-spin 11s linear infinite;
}
.core-ring::before {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  top: 50%;
  left: -4px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 13px var(--blue);
}
.ring-two::before { background: var(--amber); box-shadow: 0 0 11px rgba(242,173,82,.62); }
.core-axis { position: absolute; opacity: .38; }
.axis-x { left: -8%; right: -8%; top: 50%; height: 1px; background: linear-gradient(90deg, transparent, var(--blue), transparent); }
.axis-y { top: -8%; bottom: -8%; left: 50%; width: 1px; background: linear-gradient(transparent, rgba(115,134,166,.65), transparent); }
.core-center {
  position: absolute;
  inset: 39%;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid rgba(78,233,255,.45);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78,233,255,.16), rgba(5,7,13,.76) 68%);
  box-shadow: 0 0 55px rgba(78,233,255,.18);
}
.core-center strong {
  color: var(--blue);
  font: 600 clamp(2rem, 4vw, 4rem)/1 "Space Grotesk";
  text-shadow: 0 0 18px rgba(78,233,255,.7);
}
.core-center small {
  margin-top: 8px;
  color: #9bb2c5;
  font: 500 .55rem/1 "Space Grotesk";
  letter-spacing: .16em;
  white-space: nowrap;
}
.core-label {
  position: absolute;
  padding: 4px 8px;
  color: #91a8ba;
  background: rgba(5,7,13,.75);
  border-left: 1px solid var(--blue);
  font: 500 .58rem/1 "Space Grotesk";
  letter-spacing: .14em;
}
.label-one { top: 10%; left: 18%; }
.label-two { right: 2%; top: 49%; }
.label-three { bottom: 13%; left: 12%; }
.hero-content { width: min(61vw, 900px); }
.eyebrow i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 13px var(--blue);
  animation: densetu-pulse 1.8s ease-in-out infinite;
}
.hero h1 { font-size: clamp(3rem, 7vw, 7rem); }
.hero h1 span {
  color: transparent;
  -webkit-text-stroke: 0;
  background: linear-gradient(92deg, var(--blue), #e9fdff 58%, #9eb5c8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(78,233,255,.14));
}
.button {
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.button-primary {
  color: #031016;
  background: linear-gradient(100deg, var(--blue), #a9f7ff);
  box-shadow: 0 0 26px rgba(78,233,255,.15);
}
.button-secondary { border-color: rgba(242,173,82,.56); background: rgba(242,173,82,.055); }
.hero-status {
  position: absolute;
  left: clamp(24px, 8vw, 130px);
  right: clamp(24px, 8vw, 130px);
  bottom: 28px;
  display: flex;
  gap: 36px;
  color: #71899c;
  font: 500 .6rem/1 "Space Grotesk";
  letter-spacing: .14em;
}
.hero-status span:first-child { margin-right: auto; color: #9bb5c8; }
.hero-status i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
}
.scroll-note { display: none; }
.signal-strip {
  overflow: hidden;
  color: #051017;
  background: linear-gradient(90deg, var(--blue), #7ceeff 45%, #aa9fff);
  border-top: 1px solid rgba(255,255,255,.4);
}
.signal-strip div {
  width: max-content;
  padding: 10px 0;
  font: 600 .64rem/1 "Space Grotesk";
  letter-spacing: .22em;
  animation: densetu-ticker 42s linear infinite;
}
.signal-strip b { margin: 0 22px; font-size: .45rem; }

.section-label span, .process article > span, .card-kicker, .feature-kicker, .contact-options span { color: var(--blue); }
.intro {
  color: #f3fbff;
  background: radial-gradient(circle at 0 0, rgba(78,233,255,.07), transparent 32%), #080d15;
}
.intro::after {
  content: "VALUE → IMPLEMENTATION";
  position: absolute;
  right: -15px;
  top: 32%;
  color: rgba(78,233,255,.05);
  font: 600 clamp(3rem, 8vw, 8rem)/1 "Space Grotesk";
  letter-spacing: -.03em;
  writing-mode: vertical-rl;
  pointer-events: none;
}
.intro-copy { color: #a7bac9; }
.process {
  gap: 1px;
  background: var(--line);
  border-color: var(--line);
}
.process article {
  overflow: hidden;
  border: 0;
  background: linear-gradient(150deg, rgba(16,29,43,.98), rgba(8,13,21,.98));
  transition: transform .25s ease, background .25s ease;
}
.process article::after {
  content: "";
  position: absolute;
  width: 70px;
  height: 1px;
  right: -18px;
  top: 18px;
  background: var(--blue);
  transform: rotate(45deg);
  opacity: .35;
}
.process article:hover { z-index: 2; transform: translateY(-8px); background: linear-gradient(150deg, rgba(21,42,58,.98), rgba(10,16,26,.98)); }
.process h3 { color: #f3fbff; }
.process p { color: #8197a8; }

.business {
  color: #f3fbff;
  background: radial-gradient(circle at 100% 20%, rgba(78,233,255,.055), transparent 29%), #0d1520;
}
.business-feature {
  position: relative;
  overflow: hidden;
  border-color: rgba(78,233,255,.3);
  background: linear-gradient(135deg, rgba(17,35,51,.96), rgba(7,11,18,.98) 72%);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  box-shadow: 0 28px 70px rgba(0,0,0,.22);
}
.business-feature::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -100px;
  top: -140px;
  border: 1px solid rgba(78,233,255,.15);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(78,233,255,.08);
}
.status { color: #041015; background: linear-gradient(90deg, var(--blue), #aaf7ff); }
.feature-topline { border-color: rgba(122,194,218,.18); }
.feature-body { position: relative; }
.tags span { color: #b9d4df; border-color: rgba(78,233,255,.22); background: rgba(78,233,255,.035); }
.business-grid { background: rgba(125,176,200,.22); }
.business-grid article { overflow: hidden; color: #f3fbff; background: rgba(10,18,29,.94); transition: background .25s ease; }
.business-grid article:hover { background: rgba(14,29,43,.98); }
.business-grid article::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -85px;
  bottom: -85px;
  border: 1px solid rgba(115,134,166,.18);
  transform: rotate(45deg);
}
.business-grid p:not(.card-kicker) { color: var(--muted); }
.card-status { color: var(--blue); }
.card-status.muted { color: #958aff; }

.co-creation {
  overflow: hidden;
  color: #f3fbff;
  background:
    radial-gradient(circle at 50% 48%, rgba(78,233,255,.1), transparent 26%),
    radial-gradient(circle at 82% 15%, rgba(78,233,255,.07), transparent 24%),
    #060a11;
}
.co-creation::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background:
    linear-gradient(rgba(78,233,255,.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78,233,255,.11) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 74%);
  pointer-events: none;
}
.co-heading {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(50px, 9vw, 130px);
  align-items: end;
}
.co-heading h2 span {
  color: transparent;
  background: linear-gradient(90deg, var(--blue), #d5fbff 62%, rgba(115,134,166,.7));
  -webkit-background-clip: text;
  background-clip: text;
}
.co-heading p {
  margin: 0 0 8px;
  color: #a6bac9;
  font-size: 1.02rem;
  max-width: 36rem;
}
.synergy-system {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 90px 1fr 90px 1fr;
  align-items: stretch;
  margin-top: clamp(65px, 8vw, 100px);
}
.synergy-system::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), rgba(115,134,166,.72), transparent);
  box-shadow: 0 0 20px rgba(78,233,255,.35);
}
.synergy-node {
  position: relative;
  z-index: 1;
  min-height: 310px;
  padding: 30px;
  background: linear-gradient(150deg, rgba(14,27,40,.96), rgba(6,10,17,.98));
  border: 1px solid rgba(116,199,226,.23);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}
.synergy-node::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 25%;
  width: 2px;
  height: 50%;
  background: var(--blue);
  box-shadow: 0 0 14px var(--blue);
}
.densetu-node {
  transform: translateY(-18px);
  background: radial-gradient(circle at 50% 20%, rgba(78,233,255,.14), transparent 38%), linear-gradient(150deg, #102233, #080d16);
  border-color: rgba(78,233,255,.52);
  box-shadow: 0 0 55px rgba(78,233,255,.1), inset 0 0 35px rgba(78,233,255,.03);
}
.densetu-node::after {
  content: "D";
  position: absolute;
  right: 20px;
  bottom: 10px;
  color: rgba(78,233,255,.07);
  font: 600 7rem/1 "Space Grotesk";
}
.output-node::before { background: var(--amber); box-shadow: 0 0 12px rgba(242,173,82,.66); }
.node-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #748b9d;
  font: 600 .64rem/1 "Space Grotesk";
  letter-spacing: .16em;
}
.node-meta span { color: var(--blue); }
.synergy-node h3 {
  position: relative;
  z-index: 1;
  margin: 85px 0 18px;
  font-size: clamp(1.25rem, 1.8vw, 1.75rem);
  line-height: 1.5;
}
.synergy-node p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #8da3b4;
  font-size: .88rem;
}
.synergy-link {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  align-content: center;
}
.synergy-link span {
  width: 38px;
  height: 38px;
  border-top: 1px solid var(--blue);
  border-right: 1px solid var(--blue);
  transform: rotate(45deg);
  filter: drop-shadow(0 0 6px rgba(78,233,255,.7));
}
.synergy-link b {
  margin-top: 28px;
  color: #6d8395;
  font: 500 .55rem/1 "Space Grotesk";
  letter-spacing: .13em;
}
.partner-field {
  position: relative;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 28px;
  margin-top: 58px;
  padding: 24px 0;
  border-top: 1px solid rgba(78,233,255,.18);
  border-bottom: 1px solid rgba(78,233,255,.18);
}
.partner-field > p {
  margin: 0;
  color: #6f8799;
  font: 600 .63rem/1 "Space Grotesk";
  letter-spacing: .16em;
}
.partner-field > div { display: flex; flex-wrap: wrap; gap: 8px; }
.partner-field > div span {
  padding: 6px 9px;
  color: #acc1cf;
  border: 1px solid rgba(78,233,255,.18);
  background: rgba(78,233,255,.035);
  font-size: .72rem;
}
.partner-field .text-link { white-space: nowrap; }

.philosophy {
  background: linear-gradient(126deg, #07111a, #0a0d1c 60%, #131028);
}
.philosophy::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  background: repeating-linear-gradient(90deg, transparent 0 10%, rgba(78,233,255,.18) 10% calc(10% + 1px));
  pointer-events: none;
}
.philosophy-layout, .values { position: relative; }
.values { border-color: rgba(78,233,255,.18); }
.values article { border-color: rgba(78,233,255,.18); background: linear-gradient(180deg, rgba(78,233,255,.025), transparent); }

.company { color: var(--ink); background: linear-gradient(135deg, #edf3f6, #dce7ed); }
.company::before {
  content: "DENSETSU / COMPANY DATA";
  position: absolute;
  right: clamp(24px, 7vw, 100px);
  top: 45px;
  color: rgba(9,31,44,.16);
  font: 600 .65rem/1 "Space Grotesk";
  letter-spacing: .2em;
}
.company .section-label { color: #607888; }
.company .section-label span { color: #007e99; }
.company-table div { border-color: rgba(18,48,65,.18); }
.company-table dt { color: #526b7b; }
.draft-notice { background: rgba(255,255,255,.5); border-left: 2px solid #078aa3; color: #526672; }

.home-company {
  color: #f3fbff;
  background:
    linear-gradient(180deg, rgba(5,7,13,.14), transparent 18%),
    radial-gradient(circle at 8% 55%, rgba(78,233,255,.075), transparent 30%),
    #0a131d;
  border-top: 1px solid rgba(78,233,255,.12);
  border-bottom: 1px solid rgba(78,233,255,.12);
}
.home-company::before {
  content: "DENSETSU / COMPANY";
  color: rgba(148,190,208,.11);
}
.company-layout {
  display: grid;
  grid-template-columns: minmax(260px,.72fr) minmax(0,1.28fr);
  gap: clamp(52px, 9vw, 130px);
  align-items: start;
}
.company-heading { position: sticky; top: 110px; }
.home-company .section-label { margin-bottom: 62px; color: #8ba2b4; }
.home-company .section-label span { color: var(--blue); }
.company-kicker { margin: 0 0 18px; color: var(--amber); font: 600 .7rem/1.5 "Space Grotesk", sans-serif; letter-spacing: .16em; }
.home-company h2 { font-size: clamp(2.5rem, 4.5vw, 4.6rem); }
.company-intro { max-width: 31rem; margin: 30px 0 0; color: #a9bdcc; font-size: 1rem; line-height: 1.9; }
.home-company .company-table {
  margin: 0;
  padding: 8px clamp(24px, 3vw, 42px);
  border: 1px solid rgba(78,233,255,.17);
  background: linear-gradient(145deg, rgba(17,34,48,.82), rgba(7,14,23,.68));
  box-shadow: 0 26px 70px rgba(0,0,0,.2);
}
.home-company .company-table div { grid-template-columns: 150px 1fr; padding: 25px 0; border-color: rgba(146,190,211,.15); }
.home-company .company-table dt { color: #88a2b5; font-size: .875rem; }
.home-company .company-table dd { color: #edf8fd; font-size: 1rem; }
.home-company .company-table small { color: #e8ba75; background: rgba(242,173,82,.09); border: 1px solid rgba(242,173,82,.22); }
.home-company .draft-notice { max-width: var(--max); margin-top: 28px; background: rgba(78,233,255,.035); border-left-color: var(--blue); color: #839aaa; }

.contact { background: radial-gradient(circle at 80% 10%, rgba(78,233,255,.12), transparent 28%), #07101a; }
.contact-options div { border-color: rgba(78,233,255,.2); transition: padding-left .2s ease, background .2s ease; }
.contact-options div:hover { padding-left: 12px; background: linear-gradient(90deg, rgba(78,233,255,.05), transparent); }
footer { background: #030509; }

.motion-ready .section > *,
.motion-ready .process article,
.motion-ready .business-grid article {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .72s ease, transform .72s cubic-bezier(.2,.7,.2,1);
}
.motion-ready .section > *.visible,
.motion-ready .process article.visible,
.motion-ready .business-grid article.visible {
  opacity: 1;
  transform: translateY(0);
}
.motion-ready .process article:nth-child(2),
.motion-ready .business-grid article:nth-child(2) { transition-delay: .07s; }
.motion-ready .process article:nth-child(3) { transition-delay: .14s; }
.motion-ready .process article:nth-child(4) { transition-delay: .21s; }
.motion-ready .process article:nth-child(5) { transition-delay: .28s; }

@keyframes densetu-spin { to { transform: rotate(360deg); } }
@keyframes densetu-spin-reverse { to { transform: rotate(-360deg); } }
@keyframes densetu-pulse { 50% { opacity: .35; box-shadow: 0 0 4px var(--blue); } }
@keyframes densetu-ticker { to { transform: translateX(-50%); } }

@media (max-width: 820px) {
  .site-header.scrolled { height: 70px; }
  .site-nav { background: rgba(5,7,13,.98); border-color: rgba(78,233,255,.25); }
  .hero { min-height: 850px; padding-bottom: 90px; }
  .hero-content { width: 100%; }
  .hero h1 { font-size: clamp(3rem, 13.6vw, 4.6rem); }
  .hero-copy { max-width: 34rem; line-height: 1.82; }
  .future-core { width: 112vw; right: -48vw; top: 34%; opacity: .72; }
  .hero-grid { transform: perspective(600px) rotateX(62deg) scale(2) translateY(20%); }
  .hero-status { left: 24px; right: 24px; bottom: 22px; }
  .hero-status span:not(:first-child) { display: none; }
  .intro::after, .company::before { display: none; }
  .section h2 { margin-bottom: 8px; line-height: 1.24; }
  .intro-copy, .co-heading p, .philosophy-copy, .contact-main > p { font-size: 1rem; line-height: 1.86; }
  .process p, .business-grid p:not(.card-kicker), .synergy-node p { font-size: .94rem; line-height: 1.78; }
  .section-label { margin-bottom: 30px; }
  .signal-strip div { animation: none; transform: translateX(-12%); }
  .process article:hover { transform: none; }
  .co-heading { grid-template-columns: 1fr; gap: 34px; }
  .synergy-system {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 58px;
  }
  .synergy-system::before {
    left: 50%;
    right: auto;
    top: 7%;
    bottom: 7%;
    width: 1px;
    height: auto;
    background: linear-gradient(transparent, var(--blue), rgba(115,134,166,.7), transparent);
  }
  .synergy-node { min-height: 245px; padding: 26px; }
  .synergy-node h3 { margin-top: 55px; }
  .densetu-node { transform: none; }
  .synergy-link { min-height: 90px; }
  .synergy-link span { width: 30px; height: 30px; transform: rotate(135deg); }
  .synergy-link b {
    position: absolute;
    left: calc(50% + 28px);
    top: 36px;
    margin: 0;
  }
  .partner-field { grid-template-columns: 1fr; gap: 17px; }
  .partner-field .text-link { width: fit-content; white-space: normal; }
  .values article { border-color: rgba(78,233,255,.18); }
}

.consultation-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: clamp(56px,7vw,88px); }
.consultation-intro { min-width: 0; }
.consultation-intro p { margin: 0 0 26px; }
.consultation-intro .consultation-lead { color: #eefaff; font-weight: 600; font-size: clamp(1.05rem,1.5vw,1.25rem); line-height: 1.9; }
.contact-main .contact-conviction { color: #f0cd99; font-weight: 600; }
.consultation-grid article { display: flex; flex-direction: column; min-height: 300px; padding: clamp(28px,4vw,48px); border: 1px solid var(--line); background: #0a1724; }
.consultation-grid h3 { font-size: clamp(1.4rem,2.6vw,2.25rem); line-height: 1.5; margin: 0 0 30px; }
.consultation-grid article > p:last-child { margin-top: auto; color: #b4c8d6; font-size: 1rem; line-height: 1.9; }
.email-contact { align-self: center; min-width: 0; padding: 32px 0; }
.contact-address { display: block; font-size: clamp(1rem,2vw,1.5rem); overflow-wrap: anywhere; color: #f3fbff; margin: 16px 0 28px; text-decoration: underline; text-underline-offset: 6px; }
.email-help { color: #b4c8d6; font-size: .875rem; margin-top: 22px; }
@media(max-width:820px) { .consultation-grid { grid-template-columns: 1fr; gap: 16px; } .consultation-grid article { min-height: 0; } }
.lagnax-information { color: #f3fbff; background: linear-gradient(145deg,#101f2d,#0a131d); border-block: 1px solid var(--line); }
.lagnax-information::before { content: none; }
.lagnax-information .section-label { color: #a9bdcc; }
.lagnax-information .section-label span { color: var(--blue); }
.lagnax-information .detail-information { color: #c1d0da; }
.lagnax-information .draft-notice { color: #d2c4ad; background: rgba(242,173,82,.045); border-left-color: var(--amber); font-size: .875rem; }
.lagnax-page .detail-hero { background: radial-gradient(ellipse at 85% 40%,rgba(78,233,255,.09),transparent 60%),#07101a; }
.lagnax-page .detail-hero h1 span { color: #a9eef7; }
.lagnax-page .detail-name { color: var(--amber); }
.lagnax-page .intro::after { content: none; }
.inquiry-section { background: #0a131d; }
.inquiry-panel { max-width: 780px; padding: clamp(22px,4vw,48px); background: #10202f; border: 1px solid var(--line); }
.inquiry-panel h2 { font-size: clamp(1.6rem,3vw,2.5rem); }
.form-notice { color: #f0cd99; font-size: .9375rem; }
.inquiry-form fieldset { padding: 0; margin: 30px 0 0; border: 0; min-width: 0; }
.form-row { margin-bottom: 24px; }
.form-row label { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; font-size: 1rem; }
.form-row label span { color: #cfb58f; font-size: .8125rem; }
.form-row input, .form-row textarea, .form-row select { display: block; width: 100%; min-width: 0; padding: 14px; font: inherit; font-size: 1rem; border: 1px solid #466071; border-radius: 4px; color: #eff8fc; background: #07121d; }
.form-row textarea { resize: vertical; }
.form-row input:disabled, .form-row textarea:disabled, .form-row select:disabled { opacity: 1; -webkit-text-fill-color: #afc1ce; }
.inquiry-form button { font: inherit; border: 0; }
.inquiry-form button:disabled { opacity: .6; cursor: not-allowed; }
.form-hero { padding-bottom: 56px; }
.business-intro { color: #adc1cf; margin-bottom: 32px; font-size: 1rem; }
.corporate-business-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.corporate-business-grid article { min-width: 0; min-height: 340px; padding: 32px 28px 72px; }
.corporate-business-grid h3 { font-size: clamp(1.35rem, 2.1vw, 2rem); line-height: 1.5; }
.corporate-business-grid p:not(.card-kicker) { font-size: 1rem; }
.corporate-business-grid .card-status { left: 28px; font-size: .875rem; }
.initiative-link { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 32px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.initiative-link .card-kicker { margin: 0 0 10px; font-size: .875rem; letter-spacing: .04em; }
.initiative-link h3 { margin: 0 0 8px; font-size: 1.2rem; line-height: 1.6; }
.initiative-link p:not(.card-kicker) { margin: 0; color: #adc1cf; font-size: 1rem; }
.initiative-link .text-link { flex-shrink: 0; }
.detail-hero { padding: 130px max(24px, calc((100vw - 1180px) / 2)) 90px; background: radial-gradient(ellipse at 85% 40%, rgba(78,233,255,.08), transparent 58%), #05070d; border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 65px; color: #a7bac9; font-size: .875rem; }
.breadcrumb a:hover { color: var(--blue); }
.detail-hero h1 { margin: 0; font-size: clamp(2rem, 5.5vw, 4.8rem); line-height: 1.4; letter-spacing: -.03em; }
.detail-hero h1 span { color: var(--blue); }
.detail-name { margin-top: 30px; font-weight: 600; font-size: 1.125rem; }
.detail-lead { max-width: 43rem; color: #adc1cf; font-size: 1.0625rem; margin-bottom: 30px; }
.detail-note { margin-top: 28px; color: #adc1cf; font-size: .875rem; line-height: 1.9; }
.detail-information { max-width: 1180px; color: #465666; }
.detail-information p { max-width: 46rem; }
.value-grid article { padding-bottom: 32px; min-height: 300px; }
.detail-return { align-self: center; display: grid; justify-items: start; gap: 24px; }
.detail-return p { margin: 0; color: #adc1cf; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
@media (max-width: 820px) {
  .corporate-business-grid { grid-template-columns: 1fr; }
  .corporate-business-grid article { min-height: 0; padding-bottom: 80px; }
  .corporate-business-grid .card-kicker { margin-bottom: 28px; }
  .initiative-link { align-items: flex-start; flex-direction: column; gap: 22px; }
  .detail-hero { padding: 110px 24px 64px; }
  .breadcrumb { margin-bottom: 42px; }
  .detail-contact { gap: 42px; }
  .value-grid article { padding-bottom: 28px; }
  .company-layout { grid-template-columns: 1fr; gap: 38px; }
  .company-heading { position: static; }
  .home-company .section-label { margin-bottom: 36px; }
  .company-intro { margin-top: 22px; }
  .home-company .company-table { padding: 4px 22px; }
  .home-company .company-table div { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
}
@media (min-width: 821px) {
  .hero-copy, .intro-copy, .feature-copy, .co-heading p, .philosophy-copy, .contact-main > p {
    max-width: 42rem;
  }
  .section h2 { text-wrap: balance; }
}

/* Inquiry delivery and information notice */
.form-honeypot { position:absolute; left:-10000px; width:1px; height:1px; overflow:hidden; }
.form-consent { display:flex; align-items:flex-start; gap:12px; margin:28px 0; color:#d3e0ea; font-size:.9375rem; }
.form-consent input { width:20px; height:20px; margin:3px 0 0; flex-shrink:0; accent-color:#4ee9ff; }
.form-consent a, .privacy-content a { color:#82edff; text-decoration:underline; text-underline-offset:4px; }
.form-notice[data-state="success"] { color:#99f0c1; }
.form-notice[data-state="error"] { color:#ffb8b8; }
.privacy-content { max-width:780px; color:#c4d4df; overflow-wrap:anywhere; }
.privacy-content h2 { margin-top:2.5rem; font-size:1.3rem; color:#f3f8fc; }
.privacy-content p, .privacy-content li { font-size:1rem; line-height:1.9; }
