:root {
  --black: #050505;
  --ink: #111;
  --panel: #171717;
  --panel-light: #222;
  --gray: #8f8f8f;
  --line: rgba(255, 255, 255, .14);
  --white: #f5f5f5;
  --accent: #00f0ff;
  --accent-2: #ff2bd6;
  --max: 1180px;
  --header: 76px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-display: "Abel", "Noto Sans JP", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 12%, rgba(0, 240, 255, .16), transparent 30vw),
    radial-gradient(circle at 15% 42%, rgba(255, 43, 214, .08), transparent 24vw),
    var(--black);
  font-family: var(--font-ja);
  line-height: 1.85;
  letter-spacing: 0;
}

body.is-nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

p {
  margin: 0;
  color: rgba(245, 245, 245, .78);
}

.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: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header);
  padding: 16px clamp(18px, 4vw, 48px);
  background: rgba(5, 5, 5, .72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(5, 5, 5, .9);
  border-color: var(--line);
}

.brand-text {
  position: relative;
  display: inline-block;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(30px, 3vw, 38px);
  font-weight: 400;
  line-height: .95;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.brand-text::after {
  position: absolute;
  left: .22em;
  right: .22em;
  bottom: -.18em;
  height: 2px;
  content: "";
  background: currentColor;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  line-height: 1;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  color: rgba(245, 245, 245, .75);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .24s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover,
  .button:hover {
    color: #fff;
    transform: translateY(-2px);
  }

  .site-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .button--primary:hover {
    box-shadow: 0 0 28px rgba(0, 240, 255, .28);
  }

  .button--ghost:hover {
    border-color: rgba(0, 240, 255, .8);
  }
}

.nav-toggle {
  display: none;
}

.section {
  position: relative;
  padding: clamp(84px, 10vw, 140px) 0;
}

.section__inner {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-top: calc(var(--header) + 60px);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  opacity: .56;
  background:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

.hero__inner,
.split,
.contact__inner {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.hero__copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .22em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: #fff;
  font-family: var(--font-ja);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(42px, 6.4vw, 92px);
}

h2 {
  font-size: clamp(32px, 4.2vw, 58px);
}

h3 {
  font-size: clamp(28px, 3.5vw, 48px);
}

.lead {
  max-width: 670px;
  margin-top: 24px;
  font-size: 17px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-ja);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .05em;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.button:disabled {
  cursor: progress;
  opacity: .62;
}

.button--primary {
  color: #001012;
  background: var(--accent);
  border-color: var(--accent);
}

.button--ghost {
  background: rgba(255, 255, 255, .04);
}

.visual-frame,
.web-visual {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101010;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .42);
}

.visual-frame::before,
.web-visual::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, rgba(0, 240, 255, .25), transparent 42%, rgba(255, 43, 214, .16));
}

.visual-frame--hero {
  transform: none;
}

.visual-frame--movie {
  position: relative;
  aspect-ratio: 16 / 9;
  line-height: 0;
}

.media-stack {
  display: grid;
  gap: 8px;
}

.image-movie {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-movie::-webkit-media-controls {
  display: none !important;
}

.media-note {
  margin: 0;
  color: rgba(245, 245, 245, .58);
  font-size: 12px;
  line-height: 1.5;
  text-align: right;
}

.visual-illustration {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(0, 240, 255, .2), rgba(255, 43, 214, .1)),
    #121212;
}

.visual-illustration::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 74%);
}

.visual-illustration__tag {
  position: absolute;
  left: 18px;
  top: 16px;
  padding: 5px 8px;
  color: #020202;
  background: var(--accent);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: .16em;
  line-height: 1;
}

.visual-illustration__play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(74px, 13vw, 118px);
  height: clamp(74px, 13vw, 118px);
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 50%;
  background: rgba(0, 0, 0, .42);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 48px rgba(0, 240, 255, .18);
}

.visual-illustration__play::after {
  position: absolute;
  left: 42%;
  top: 33%;
  width: 0;
  height: 0;
  content: "";
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
  border-left: 24px solid #fff;
}

.visual-illustration__line,
.visual-illustration__timeline {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 15%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) 0 36%, rgba(255, 255, 255, .22) 36% 100%);
}

.visual-illustration__screen {
  position: absolute;
  left: 12%;
  right: 12%;
  top: 26%;
  height: 42%;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .03)),
    rgba(0, 0, 0, .28);
}

.visual-illustration__screen::before,
.visual-illustration__screen::after {
  position: absolute;
  content: "";
  border-radius: 999px;
  background: rgba(255, 255, 255, .32);
}

.visual-illustration__screen::before {
  left: 8%;
  top: 22%;
  width: 36%;
  height: 8px;
}

.visual-illustration__screen::after {
  left: 8%;
  top: 44%;
  width: 62%;
  height: 8px;
}

.visual-illustration__caption {
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: 17%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .26);
}

.visual-illustration__lens {
  position: absolute;
  left: 50%;
  top: 48%;
  width: clamp(110px, 18vw, 170px);
  height: clamp(110px, 18vw, 170px);
  border: 18px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 240, 255, .55), rgba(0, 0, 0, .26) 48%, rgba(255, 255, 255, .12) 49%);
  transform: translate(-50%, -50%);
}

.visual-illustration__shape {
  position: absolute;
  display: block;
  border: 1px solid rgba(255, 255, 255, .26);
  background: rgba(255, 255, 255, .08);
}

.visual-illustration__shape--one {
  left: 17%;
  top: 33%;
  width: 30%;
  height: 32%;
  border-radius: 8px;
  transform: rotate(-8deg);
}

.visual-illustration__shape--two {
  right: 18%;
  top: 24%;
  width: 22%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(0, 240, 255, .22);
}

.visual-illustration__shape--three {
  right: 24%;
  bottom: 19%;
  width: 34%;
  height: 12px;
  border-radius: 999px;
  background: var(--accent-2);
}

.overview {
  background: linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .015));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.split p {
  margin-top: 22px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: rgba(245, 245, 245, .84);
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  content: "";
  background: var(--accent);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 42px;
}

.service-block {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(430px, 1.14fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(32px, 5vw, 68px) 0;
  border-top: 1px solid var(--line);
}

.service-block--reverse {
  grid-template-columns: minmax(430px, 1.14fr) minmax(0, .86fr);
}

.service-block--reverse .service-block__text {
  order: 2;
}

.service-block__text p {
  margin-top: 18px;
}

.service-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  font-family: var(--font-display);
  color: var(--black);
  background: var(--accent);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 400;
}

.meta-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

.meta-list div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.meta-list dt {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.meta-list dd {
  margin: 0;
  color: rgba(245, 245, 245, .78);
}

.web-visual {
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 30px;
}

.browser-mock {
  width: min(100%, 620px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  background: rgba(8, 8, 8, .86);
}

.browser-mock__bar {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.browser-mock__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray);
}

.browser-mock__bar span:first-child {
  background: var(--accent-2);
}

.browser-mock__bar span:nth-child(2) {
  background: var(--accent);
}

.browser-mock__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: clamp(24px, 4vw, 44px);
}

.browser-mock__grid strong {
  display: grid;
  min-height: 96px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
}

.browser-mock__grid p {
  grid-column: 1 / -1;
  padding-top: 8px;
  font-size: 13px;
  text-align: center;
}

.workflow {
  background: #0d0d0d;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.flow-list li {
  min-height: 230px;
  padding: 26px;
  background: var(--panel);
}

.flow-list span {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .08em;
}

.flow-list strong {
  display: block;
  margin-top: 38px;
  color: #fff;
  font-size: 20px;
  line-height: 1.3;
}

.flow-list p {
  margin-top: 12px;
  font-size: 14px;
}

.contact__inner {
  grid-template-columns: minmax(0, .95fr) minmax(360px, .55fr);
}

.contact__inner p {
  margin-top: 22px;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03));
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  color: rgba(245, 245, 245, .86);
  font-size: 13px;
  font-weight: 700;
}

.form-field label span {
  margin-left: 8px;
  color: var(--accent);
  font-size: 11px;
}

.form-help {
  margin: 0;
  color: rgba(245, 245, 245, .54);
  font-size: 12px;
  line-height: 1.6;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: #fff;
  background: rgba(0, 0, 0, .36);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  font: inherit;
  outline: none;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.form-field textarea {
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: rgba(0, 0, 0, .52);
  border-color: rgba(0, 240, 255, .85);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, .14);
}

.form-field--hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form__submit {
  width: 100%;
  margin-top: 4px;
}

.form-status {
  min-height: 1.6em;
  margin-top: 0;
  font-size: 13px;
}

.form-status.is-success {
  color: var(--accent);
}

.form-status.is-error {
  color: #ff7aa8;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  background: #030303;
}

.footer__inner {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 24px;
}

.brand-text--footer {
  font-size: 31px;
}

.footer__inner p {
  margin: 0;
}

@media (max-width: 750px) {
  :root {
    --header: 66px;
  }

  .site-header {
    padding: 14px 18px;
  }

  .brand-text {
    font-size: clamp(27px, 8vw, 31px);
  }

  .nav-toggle {
    position: relative;
    z-index: 22;
    display: inline-grid;
    gap: 5px;
    width: 44px;
    height: 44px;
    place-content: center;
    padding: 0;
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--line);
    border-radius: 999px;
  }

  .nav-toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: transform .2s var(--ease), opacity .2s var(--ease);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 21;
    display: grid;
    align-content: start;
    gap: 10px;
    height: 100vh;
    height: 100dvh;
    padding: calc(env(safe-area-inset-top) + var(--header) + 26px) 22px calc(env(safe-area-inset-bottom) + 30px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background:
      linear-gradient(180deg, rgba(0, 240, 255, .08), transparent 34%),
      rgba(5, 5, 5, .98);
    transform: translate3d(100%, 0, 0);
    transition: transform .26s var(--ease);
  }

  .site-nav.is-open {
    transform: translate3d(0, 0, 0);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 54px;
    padding: 15px 16px;
    color: rgba(255, 255, 255, .92);
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 8px;
    font-size: 20px;
    letter-spacing: .04em;
  }

  .site-nav a::after {
    display: none;
  }

  .section {
    padding: 78px 0;
  }

  h1 {
    font-size: clamp(34px, 10.4vw, 42px);
    line-height: 1.18;
  }

  .section__inner {
    width: min(100% - 34px, var(--max));
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header) + 42px);
  }

  .hero__inner,
  .split,
  .contact__inner,
  .service-block,
  .service-block--reverse {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .visual-frame--hero {
    transform: none;
  }

  .service-block--reverse .service-block__text {
    order: 0;
  }

  .section-heading {
    display: block;
  }

  .meta-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .web-visual {
    min-height: 280px;
    padding: 18px;
  }

  .browser-mock__grid {
    grid-template-columns: 1fr;
  }

  .browser-mock__grid p {
    grid-column: auto;
  }

  .flow-list {
    grid-template-columns: 1fr;
  }

  .flow-list li {
    min-height: auto;
  }

  .flow-list strong {
    margin-top: 24px;
  }

  .footer__inner {
    display: grid;
    width: 100%;
    justify-items: center;
    text-align: center;
  }

  .site-footer .brand-text {
    justify-self: center;
  }
}

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