:root {
  --bg: #0a0e17;
  --bg-soft: #101827;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.16);
  --text: #f7fbff;
  --muted: #aab7ca;
  --cyan: #21d4fd;
  --blue: #2f6bff;
  --green: #51f7c4;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 12%, rgba(33, 212, 253, 0.16), transparent 28rem),
    radial-gradient(circle at 82% 6%, rgba(84, 91, 255, 0.28), transparent 26rem),
    radial-gradient(circle at 86% 18%, rgba(232, 191, 113, 0.14), transparent 18rem),
    var(--bg);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
}

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

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  z-index: 50;
  background-image: linear-gradient(115deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 6px 6px;
  mix-blend-mode: screen;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 5vw, 72px);
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}

.site-header.is-scrolled {
  padding-block: 14px;
  background: rgba(10, 14, 23, 0.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.logo,
.nav,
.header-cta {
  display: flex;
  align-items: center;
}

.logo {
  gap: 10px;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
}

.logo-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #06101d;
}

.nav {
  gap: clamp(16px, 3vw, 34px);
  color: var(--muted);
  font-family: "Poppins", sans-serif;
  font-size: 0.9rem;
}

.nav a,
.header-cta {
  transition: color 0.25s ease, transform 0.25s ease;
}

.nav a:hover,
.header-cta:hover {
  color: var(--text);
  transform: translateY(-2px);
}

.header-cta {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
  font-weight: 700;
}

.section {
  position: relative;
  padding: clamp(90px, 12vw, 150px) clamp(20px, 5vw, 72px);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
  padding-top: 120px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb,
.grid-glow {
  position: absolute;
  display: block;
  filter: blur(2px);
}

.orb {
  border-radius: 999px;
  opacity: 0.65;
}

.orb-a {
  width: 26vw;
  height: 26vw;
  top: 13%;
  right: 9%;
  background: radial-gradient(circle, rgba(33, 212, 253, 0.4), transparent 68%);
}

.orb-b {
  width: 20vw;
  height: 20vw;
  bottom: 8%;
  left: 7%;
  background: radial-gradient(circle, rgba(81, 247, 196, 0.22), transparent 70%);
}

.grid-glow {
  right: -8%;
  bottom: 3%;
  width: 52vw;
  height: 52vw;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle, #000, transparent 66%);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-family: "Poppins", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title,
.section-heading h2 {
  margin: 0;
  font-weight: 900;
  line-height: 1.16;
}

.hero-title {
  max-width: 760px;
  font-size: clamp(2.8rem, 7vw, 6.6rem);
}

.hero-copy,
.section-heading p {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

.hero-copy {
  max-width: 660px;
  margin: 26px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.btn {
  position: relative;
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 800;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #04111f;
  box-shadow: 0 18px 50px rgba(33, 212, 253, 0.24);
}

.btn-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.hero-visual {
  position: relative;
  isolation: isolate;
}

.browser-frame {
  position: relative;
  min-height: 520px;
  border: 1px solid rgba(185, 215, 255, 0.26);
  border-radius: 8px;
  background:
    radial-gradient(circle at 88% 5%, rgba(170, 114, 255, 0.18), transparent 22rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.045));
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(24px);
  overflow: hidden;
}

.browser-frame::before {
  content: "";
  position: absolute;
  inset: 58px 26px 26px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(33, 212, 253, 0.2), rgba(47, 107, 255, 0.1)),
    linear-gradient(rgba(172, 216, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(172, 216, 255, 0.16) 1px, transparent 1px);
  background-size: auto, 34px 34px, 34px 34px;
  box-shadow: inset 0 0 70px rgba(33, 212, 253, 0.08);
}

.browser-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 18%, rgba(255, 255, 255, 0.12) 42%, transparent 58%),
    radial-gradient(circle at 86% 7%, rgba(232, 191, 113, 0.26), transparent 13rem);
  opacity: 0.45;
  pointer-events: none;
}

.browser-dots {
  position: relative;
  z-index: 4;
  display: flex;
  gap: 8px;
  padding: 22px;
}

.browser-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
}

.preview-card,
.metric-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 8px;
  background: rgba(8, 13, 23, 0.72);
  backdrop-filter: blur(20px);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.preview-main {
  z-index: 8;
  left: 8%;
  right: 8%;
  top: 20%;
  padding: clamp(24px, 3vw, 34px);
}

.preview-label {
  color: var(--cyan);
  font-size: clamp(0.88rem, 1.2vw, 1.05rem);
  font-weight: 900;
}

.preview-main strong {
  display: block;
  max-width: 760px;
  margin-top: 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(1.55rem, 2.35vw, 2.35rem);
  line-height: 1.34;
  text-shadow: 0 8px 34px rgba(0, 0, 0, 0.28);
}

.preview-bars {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.preview-bars span {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(33, 212, 253, 0.82), rgba(255, 255, 255, 0.16));
}

.preview-bars span:nth-child(2) {
  width: 76%;
}

.preview-bars span:nth-child(3) {
  width: 48%;
}

.metric-card {
  z-index: 12;
  display: grid;
  gap: 7px;
  min-width: 144px;
  padding: 16px;
}

.metric-card i {
  color: var(--green);
  font-size: 1.18rem;
}

.metric-card span {
  color: var(--muted);
  max-width: 150px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
}

.metric-card strong {
  font-family: "Poppins", sans-serif;
  font-size: 1.36rem;
  line-height: 1.15;
}

.metric-left {
  left: 4%;
  bottom: 2%;
}

.metric-right {
  right: 4%;
  bottom: 3%;
  min-width: 138px;
}

.metric-right strong {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.44rem;
  font-weight: 900;
}

.light-trail,
.crystal {
  position: absolute;
  pointer-events: none;
}

.light-trail {
  z-index: 3;
  left: -18%;
  width: 138%;
  height: 140px;
  border: 2px solid transparent;
  border-top-color: rgba(190, 222, 255, 0.55);
  border-radius: 50%;
  filter: drop-shadow(0 0 16px rgba(94, 184, 255, 0.55));
  transform: rotate(-11deg);
}

.trail-a {
  top: 38%;
}

.trail-b {
  top: 47%;
  border-top-color: rgba(176, 122, 255, 0.46);
  transform: rotate(-13deg);
}

.crystal {
  z-index: 6;
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), transparent 28%),
    radial-gradient(circle at 34% 24%, rgba(207, 239, 255, 0.92), rgba(46, 131, 255, 0.5) 34%, rgba(89, 44, 180, 0.42) 58%, rgba(5, 14, 29, 0.28) 72%),
    conic-gradient(from 20deg, rgba(255, 255, 255, 0.5), rgba(33, 212, 253, 0.28), rgba(124, 77, 255, 0.48), rgba(232, 191, 113, 0.36), rgba(255, 255, 255, 0.5));
  box-shadow:
    inset -18px -18px 34px rgba(4, 10, 24, 0.38),
    inset 14px 12px 24px rgba(255, 255, 255, 0.22),
    0 18px 50px rgba(48, 131, 255, 0.34);
}

.crystal::before,
.crystal::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 20% 55% 30% 48%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  transform: rotate(28deg);
}

.crystal::after {
  inset: 28%;
  border-color: rgba(232, 191, 113, 0.35);
  transform: rotate(-32deg);
}

.crystal-a {
  width: 118px;
  height: 118px;
  right: 10%;
  top: 12%;
}

.crystal-b {
  width: 150px;
  height: 150px;
  left: 15%;
  bottom: -4%;
}

.crystal-c {
  width: 58px;
  height: 58px;
  right: -2%;
  top: 56%;
}

.scroll-indicator {
  position: absolute;
  bottom: 34px;
  left: 50%;
  display: grid;
  justify-items: center;
  gap: 8px;
  color: var(--muted);
  font-family: "Poppins", sans-serif;
  font-size: 0.75rem;
  transform: translateX(-50%);
}

.scroll-indicator i {
  color: var(--cyan);
  animation: bounce 1.5s infinite;
}

.section-heading {
  max-width: 720px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4.2vw, 4rem);
}

.section-heading p {
  margin: 22px 0 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 54px;
}

.service-card {
  min-height: 280px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, 0.035));
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(33, 212, 253, 0.45);
  background: var(--panel-strong);
}

.icon-box {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 8px;
  background: rgba(33, 212, 253, 0.12);
  color: var(--cyan);
  font-size: 1.3rem;
}

.service-card h3 {
  margin: 26px 0 12px;
  font-size: 1.25rem;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.pricing-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.62fr) minmax(620px, 1.18fr);
  align-items: center;
  gap: clamp(42px, 5vw, 88px);
}

.price-panel {
  position: relative;
  padding: clamp(34px, 4.6vw, 56px);
  border: 1px solid rgba(33, 212, 253, 0.42);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(33, 212, 253, 0.16), rgba(47, 107, 255, 0.07)),
    rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.price-panel::after {
  content: "";
  position: absolute;
  inset: auto -20% -35% 20%;
  height: 220px;
  background: radial-gradient(circle, rgba(33, 212, 253, 0.28), transparent 62%);
}

.price-badge {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(81, 247, 196, 0.12);
  color: var(--green);
  font-family: "Poppins", sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
}

.price-panel h3,
.comparison-table,
.price-note,
.include-list,
.price-panel .btn {
  position: relative;
  z-index: 1;
}

.price-panel h3 {
  margin: 24px 0;
  font-family: "Poppins", sans-serif;
  font-size: clamp(2rem, 3.3vw, 3rem);
}

.comparison-table {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(4, 10, 19, 0.34);
}

.table-row {
  display: grid;
  grid-template-columns: 0.78fr 1.08fr 1fr 1fr;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.table-row:first-child {
  border-top: 0;
}

.table-row > * {
  min-height: 94px;
  padding: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.table-row > *:first-child {
  border-left: 0;
}

.table-head {
  min-height: auto;
  background: rgba(33, 212, 253, 0.1);
}

.table-head span {
  color: #dff7ff;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  font-weight: 900;
}

.table-row span:first-child {
  color: var(--green);
  font-weight: 900;
}

.table-row strong {
  display: block;
  color: var(--text);
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-size: clamp(1.22rem, 1.8vw, 1.55rem);
  line-height: 1.45;
}

.table-row em {
  display: block;
  color: var(--muted);
  font-style: normal;
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.6;
}

.table-row small {
  margin-left: 4px;
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.72rem;
}

.ishidanet {
  color: var(--cyan) !important;
}

.price-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.include-list {
  display: grid;
  gap: 14px;
  padding: 24px 0 0;
  margin: 0;
  list-style: none;
}

.include-list li {
  display: flex;
  gap: 12px;
  align-items: center;
  color: #dce8f8;
}

.include-list i {
  color: var(--green);
}

.wide {
  width: 100%;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1fr);
  gap: clamp(36px, 6vw, 76px);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow);
}

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

.contact-form span {
  color: #dce8f8;
  font-size: 0.9rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(4, 10, 19, 0.52);
  color: var(--text);
  font: inherit;
  outline: none;
  padding: 14px 15px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(33, 212, 253, 0.72);
  box-shadow: 0 0 0 4px rgba(33, 212, 253, 0.12);
  transform: translateY(-2px);
}

.contact-form textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.submit-btn.is-sending {
  pointer-events: none;
  filter: saturate(1.4) brightness(1.08);
}

.form-status {
  min-height: 1.6em;
  margin: 0;
  color: var(--green);
  font-weight: 700;
}

.footer {
  padding: 34px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero,
  .pricing-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 116px;
  }

  .browser-frame {
    min-height: 420px;
  }

  .preview-main {
    top: 25%;
  }

  .crystal-a {
    width: 92px;
    height: 92px;
    right: 4%;
  }

  .crystal-b {
    width: 118px;
    height: 118px;
  }

  .metric-left {
    left: 4%;
    bottom: 4%;
  }

  .metric-right {
    right: 4%;
    bottom: 5%;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-inline: 16px;
  }

  .logo span:last-child,
  .header-cta {
    display: none;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .table-row {
    grid-template-columns: 1fr;
  }

  .table-row > * {
    min-height: auto;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 14px;
  }

  .table-row > *:first-child {
    border-top: 0;
  }

  .metric-card {
    min-width: 108px;
    padding: 14px;
  }

  .metric-card span {
    max-width: 102px;
    font-size: 0.76rem;
  }

  .metric-card strong {
    font-size: 1.42rem;
  }

  .metric-right {
    min-width: 142px;
    bottom: 4%;
  }

  .metric-right strong {
    font-size: 1rem;
  }

  .preview-main {
    left: 7%;
    right: 7%;
    top: 18%;
    padding: 22px;
  }

  .preview-main strong {
    font-size: clamp(1.55rem, 8vw, 2.2rem);
  }

  .preview-bars {
    margin-top: 22px;
  }

  .light-trail {
    width: 170%;
    left: -38%;
  }

  .crystal-a {
    width: 72px;
    height: 72px;
    top: 9%;
  }

  .crystal-b {
    width: 92px;
    height: 92px;
    left: 38%;
    bottom: -2%;
  }

  .crystal-c {
    width: 42px;
    height: 42px;
    right: 2%;
  }
}
