:root {
  --bg: #0b1220;
  --bg2: #0e1830;
  --surface: #0f1b33;
  --surface2: #101f3d;
  --text: #e9eefc;
  --muted: #b6c2e6;
  --muted2: #92a2d6;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --accent: #41e2b2;
  --accent2: #58a6ff;
  --danger: #ff6b7a;
  --radius: 18px;
  --radius2: 24px;
  --container: 1100px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans JP", "Hiragino Sans", "Yu Gothic",
    sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(88, 166, 255, 0.2), transparent 55%),
    radial-gradient(900px 540px at 85% 0%, rgba(65, 226, 178, 0.18), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(88, 166, 255, 0.16), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  opacity: 0.92;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: 16px;
  top: 16px;
  transform: translateY(-200%);
  background: #fff;
  color: #111;
  padding: 10px 12px;
  border-radius: 12px;
  z-index: 9999;
}
.skip:focus {
  transform: translateY(0);
}

.srOnly {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 32, 0.55);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand__mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: radial-gradient(120% 120% at 20% 20%, rgba(65, 226, 178, 0.55), transparent 60%),
    radial-gradient(120% 120% at 80% 80%, rgba(88, 166, 255, 0.55), transparent 60%), rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand__name {
  font-weight: 750;
  letter-spacing: 0.02em;
}
.brand__kana {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__link {
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav__link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}
.nav__cta {
  background: rgba(65, 226, 178, 0.1);
  border: 1px solid rgba(65, 226, 178, 0.3);
  color: var(--text);
}
.nav__toggle {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  border-radius: 14px;
  width: 44px;
  height: 44px;
}
.nav__toggleIcon {
  display: block;
  width: 18px;
  height: 2px;
  margin: auto;
  background: var(--text);
  position: relative;
  border-radius: 999px;
}
.nav__toggleIcon::before,
.nav__toggleIcon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}
.nav__toggleIcon::before {
  top: -6px;
}
.nav__toggleIcon::after {
  top: 6px;
}

.hero {
  padding: 70px 0 36px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 38px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 650;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
}
.hero__eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, rgba(65, 226, 178, 0.9), rgba(88, 166, 255, 0.7));
  opacity: 0.9;
}
.hero__title {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.hero__lead {
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 16px;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.hero__note {
  color: var(--muted2);
  font-size: 13px;
  margin: 0;
}
.hero__note a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(65, 226, 178, 0.55);
  text-underline-offset: 3px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 650;
  letter-spacing: 0.01em;
  transition: transform 0.08s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.09);
}
.btn:active {
  transform: translateY(1px);
}
.btn--primary {
  background: linear-gradient(135deg, rgba(65, 226, 178, 0.95), rgba(88, 166, 255, 0.85));
  border-color: rgba(255, 255, 255, 0);
  color: #08101f;
}
.btn--primary:hover {
  background: linear-gradient(135deg, rgba(65, 226, 178, 1), rgba(88, 166, 255, 0.95));
}
.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.16);
}

.panel {
  position: relative;
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(120% 140% at 30% 0%, rgba(88, 166, 255, 0.18), transparent 55%),
    radial-gradient(120% 140% at 70% 100%, rgba(65, 226, 178, 0.14), transparent 55%), rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel__grid {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.panel__card {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.16);
  padding: 14px 14px;
  min-height: 96px;
}
.panel__card--accent {
  background: radial-gradient(120% 140% at 20% 20%, rgba(65, 226, 178, 0.2), transparent 60%),
    radial-gradient(120% 140% at 80% 80%, rgba(88, 166, 255, 0.18), transparent 60%), rgba(0, 0, 0, 0.12);
  border-color: rgba(65, 226, 178, 0.22);
}
.panel__kpi {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.panel__meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.panel__shine {
  position: absolute;
  inset: -40%;
  background: linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, 0.14) 48%, transparent 56%);
  transform: rotate(10deg);
  animation: shine 7.5s linear infinite;
  opacity: 0.45;
}
@keyframes shine {
  0% {
    transform: translateX(-20%) rotate(10deg);
  }
  100% {
    transform: translateX(35%) rotate(10deg);
  }
}

.section {
  padding: 56px 0;
}
.section--muted {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section__head {
  margin-bottom: 18px;
}
.section__title {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -0.01em;
}
.section__sub {
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.card__title {
  margin: 0 0 6px;
  font-size: 17px;
  letter-spacing: 0.01em;
}
.card__text {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.company {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  padding: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}
.dl {
  margin: 0;
}
.dl__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.dl__row:first-child {
  border-top: none;
  padding-top: 0;
}
.dl dt {
  color: var(--muted);
  font-weight: 650;
}
.dl dd {
  margin: 0;
}
.dl a {
  text-decoration: underline;
  text-decoration-color: rgba(88, 166, 255, 0.55);
  text-underline-offset: 3px;
}

.contact {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: start;
  margin-top: 18px;
}
.form {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}
.field {
  margin-bottom: 12px;
}
.label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  color: var(--text);
  margin-bottom: 6px;
}
.req {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(88, 166, 255, 0.14);
  border: 1px solid rgba(88, 166, 255, 0.26);
  color: var(--text);
}
.input,
.textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.16);
  color: var(--text);
  outline: none;
}
.input::placeholder,
.textarea::placeholder {
  color: rgba(182, 194, 230, 0.65);
}
.input:focus,
.textarea:focus {
  border-color: rgba(65, 226, 178, 0.45);
  box-shadow: 0 0 0 4px rgba(65, 226, 178, 0.12);
}
.form__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.form__hint {
  margin: 0;
  color: var(--muted2);
  font-size: 12px;
}

.hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.contact__side {
  display: block;
}
.sideCard {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(120% 140% at 15% 10%, rgba(65, 226, 178, 0.1), transparent 60%), rgba(255, 255, 255, 0.03);
  padding: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
.sideCard__title {
  margin: 0 0 6px;
  font-size: 16px;
}
.sideCard__text {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}
.sideCard__mail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.14);
}
.sideCard__label {
  color: var(--muted);
  font-size: 12px;
}
.sideCard__value {
  text-decoration: underline;
  text-decoration-color: rgba(65, 226, 178, 0.55);
  text-underline-offset: 3px;
}

.footer {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  background: rgba(11, 18, 32, 0.6);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.footer__brand {
  margin: 0;
  font-weight: 700;
}
.footer__meta {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

/* reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .panel__shine {
    animation: none;
  }
  [data-reveal] {
    transition: none;
  }
}

@media (max-width: 920px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .panel__grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav__toggle {
    display: inline-grid;
    place-items: center;
  }
  .nav__menu {
    position: absolute;
    right: 20px;
    top: 64px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    min-width: 220px;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(11, 18, 32, 0.92);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.48);
  }
  .nav__menu.is-open {
    display: flex;
  }
  .nav__link {
    padding: 12px 12px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .dl__row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .hero {
    padding-top: 56px;
  }
}