:root {
  --navy: #082a57;
  --navy-2: #0b356e;
  --blue: #0f6fd6;
  --blue-2: #4da3ff;
  --sky: #eaf5ff;
  --mint: #75d7c5;
  --ink: #10233f;
  --muted: #60708a;
  --line: #dce5ef;
  --paper: #ffffff;
  --soft: #f4f8fc;
  --warning: #fff5d8;
  --warning-ink: #745100;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 24px 60px rgba(8, 42, 87, 0.12);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  transform: translateY(-140%);
  padding: 10px 16px;
  color: white;
  background: var(--navy);
  border-radius: 8px;
}

.skip-link:focus {
  transform: translateY(0);
}

.draft-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  min-height: 36px;
  padding: 6px 20px;
  color: var(--warning-ink);
  background: var(--warning);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.draft-bar span {
  padding: 2px 8px;
  color: #fff;
  background: #c18b00;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 229, 239, 0.85);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, var(--navy), var(--blue));
  border-radius: 12px;
  font-size: 21px;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(15, 111, 214, 0.25);
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.brand-text strong {
  color: var(--navy);
  font-size: 27px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.brand-text small {
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #30445f;
  font-size: 13px;
  font-weight: 700;
}

.global-nav a {
  position: relative;
  transition: color 0.2s ease;
}

.global-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.global-nav a:hover,
.global-nav a:focus-visible {
  color: var(--blue);
}

.global-nav a:not(.nav-cta):hover::after,
.global-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 11px 18px;
  color: white;
  background: var(--navy);
  border-radius: 999px;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  border-radius: 10px;
}

.menu-button span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 40px;
  background:
    radial-gradient(circle at 83% 15%, rgba(77, 163, 255, 0.24), transparent 25%),
    radial-gradient(circle at 15% 85%, rgba(117, 215, 197, 0.18), transparent 25%),
    linear-gradient(145deg, #f8fbff 0%, #eef7ff 54%, #f8fffd 100%);
}

.hero::before {
  position: absolute;
  top: -100px;
  right: -180px;
  width: 650px;
  height: 650px;
  border: 1px solid rgba(15, 111, 214, 0.12);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(8, 42, 87, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 42, 87, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(440px, 0.96fr);
  align-items: center;
  gap: 60px;
}

.eyebrow,
.section-label {
  margin: 0 0 20px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(54px, 7vw, 92px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.05em;
}

.hero h1 span {
  color: var(--blue);
}

.hero-lead {
  max-width: 660px;
  margin: 32px 0 0;
  color: #344b67;
  font-size: 17px;
  line-height: 2;
}

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

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  box-shadow: 0 14px 28px rgba(15, 111, 214, 0.22);
}

.button-ghost {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(8, 42, 87, 0.18);
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

.visual-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  display: grid;
  width: 180px;
  height: 180px;
  place-content: center;
  color: white;
  background: linear-gradient(145deg, var(--navy), #0b478e 64%, var(--blue));
  border: 10px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 28px 70px rgba(8, 42, 87, 0.28);
}

.visual-core::after {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 50%;
  content: "";
}

.visual-core strong {
  font-size: 42px;
  line-height: 1;
}

.visual-core span {
  margin-top: 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px dashed rgba(15, 111, 214, 0.28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 360px;
  height: 360px;
}

.orbit-two {
  width: 500px;
  height: 500px;
  border-color: rgba(8, 42, 87, 0.12);
}

.visual-card {
  position: absolute;
  z-index: 6;
  width: 220px;
  padding: 20px 20px 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  backdrop-filter: blur(15px);
  box-shadow: var(--shadow);
}

.visual-card::after {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--mint);
  border: 4px solid white;
  border-radius: 50%;
  content: "";
  box-shadow: 0 4px 14px rgba(8, 42, 87, 0.2);
}

.visual-card strong,
.visual-card small {
  display: block;
}

.visual-card strong {
  color: var(--navy);
  font-size: 17px;
}

.visual-card small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.card-number {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.card-telecom {
  top: 30px;
  right: 15px;
}

.card-telecom::after {
  bottom: -21px;
  left: 38px;
}

.card-sales {
  bottom: 26px;
  right: 12px;
}

.card-sales::after {
  top: -21px;
  left: 46px;
}

.card-event {
  bottom: 88px;
  left: 0;
}

.card-event::after {
  top: 36px;
  right: -21px;
}

.hero-tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 50px;
}

.hero-tags span {
  padding: 8px 16px;
  color: #3b526e;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(8, 42, 87, 0.09);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.section {
  padding: 110px 0;
}

.section-tint {
  background: var(--soft);
}

.intro-grid,
.company-grid,
.contact-box {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 100px;
}

.section h2,
.intro h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.28;
  letter-spacing: -0.04em;
}

.intro-copy {
  padding-top: 32px;
}

.intro-copy > p:not(.review-note) {
  margin: 0 0 22px;
  color: #3e526c;
  font-size: 17px;
}

.review-note {
  margin: 18px 0 0;
  color: #8a6813;
  font-size: 11px;
  font-weight: 700;
}

.review-note.wide {
  margin-top: 30px;
  text-align: center;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 50px;
  margin-bottom: 56px;
}

.section-heading > p {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
}

.section-heading.compact {
  margin-bottom: 40px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  overflow: hidden;
  padding: 38px 34px 34px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(8, 42, 87, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-card.featured {
  color: white;
  background: linear-gradient(155deg, var(--navy), #0a478f 72%, var(--blue));
  border-color: transparent;
}

.service-card.featured .service-index,
.service-card.featured p,
.service-card.featured li {
  color: rgba(255, 255, 255, 0.78);
}

.service-card.featured h3 {
  color: white;
}

.service-card.featured .review-note {
  color: #f4d67b;
}

.service-icon {
  display: grid;
  width: 64px;
  height: 64px;
  margin-bottom: 32px;
  place-items: center;
  color: var(--blue);
  background: var(--sky);
  border-radius: 18px;
}

.service-card.featured .service-icon {
  color: white;
  background: rgba(255, 255, 255, 0.12);
}

.service-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.service-index {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.service-card h3 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.5;
}

.service-card > p:not(.service-index, .review-note) {
  min-height: 92px;
  margin: 0;
  color: #53657d;
  font-size: 14px;
}

.service-card ul {
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.service-card.featured ul {
  border-color: rgba(255, 255, 255, 0.18);
}

.service-card li {
  position: relative;
  margin: 8px 0;
  padding-left: 18px;
  color: #445972;
  font-size: 12px;
  font-weight: 700;
}

.service-card li::before {
  position: absolute;
  top: 0.82em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--mint);
  border-radius: 50%;
  content: "";
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strength-grid article {
  min-height: 310px;
  padding: 36px 30px;
  border-right: 1px solid var(--line);
}

.strength-grid article:last-child {
  border-right: 0;
}

.strength-grid span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.strength-grid h3 {
  margin: 50px 0 16px;
  color: var(--navy);
  font-size: 22px;
}

.strength-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.section-dark {
  color: white;
  background:
    radial-gradient(circle at 80% 20%, rgba(77, 163, 255, 0.2), transparent 22%),
    linear-gradient(135deg, #061e40, #0a315f 70%, #0d4d84);
}

.people-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 90px;
}

.section-label.light {
  color: #73b7ff;
}

.people-copy h2 {
  color: white;
}

.people-copy > p:not(.section-label) {
  max-width: 520px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  color: white;
  font-size: 14px;
  font-weight: 800;
}

.text-link span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--blue);
  border-radius: 50%;
}

.people-panel {
  padding: 42px;
  color: var(--ink);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.panel-title {
  margin: 0 0 24px;
  color: var(--navy);
  font-size: 19px;
  font-weight: 900;
}

.people-list > div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.people-list span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--mint));
  border-radius: 13px;
  font-size: 11px;
  font-weight: 900;
}

.people-list p {
  margin: 0;
}

.people-list strong,
.people-list small {
  display: block;
}

.people-list strong {
  color: var(--navy);
  font-size: 15px;
}

.people-list small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.review-note.inverse {
  color: #8a6813;
}

.company-lead {
  max-width: 440px;
  margin-top: 26px;
  color: var(--muted);
}

.company-table {
  margin: 0;
  border-top: 2px solid var(--navy);
}

.company-table > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 22px 10px;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  color: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.company-table dd {
  margin: 0;
  color: #445972;
  font-size: 13px;
}

.pending {
  display: inline-flex;
  padding: 3px 10px;
  color: #7c630f;
  background: var(--warning);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.review-section {
  padding-top: 20px;
}

.review-box {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 70px;
  padding: 60px;
  background: linear-gradient(135deg, #eff7ff, #f5fffc);
  border: 1px solid #cfe3f4;
  border-radius: var(--radius-lg);
}

.review-box h2 {
  font-size: clamp(34px, 4vw, 48px);
}

.review-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.review-items span {
  padding: 15px 18px;
  color: var(--navy);
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 12px;
  font-weight: 800;
}

.review-box > p {
  grid-column: 2;
  margin: -34px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.contact-box {
  align-items: center;
  padding: 66px 70px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.contact-box > div:last-child p {
  margin: 0 0 24px;
  color: var(--muted);
}

.button-disabled {
  color: #75859a;
  background: #e9eff5;
  cursor: not-allowed;
}

.site-footer {
  padding: 42px 0;
  color: rgba(255, 255, 255, 0.66);
  background: #051a38;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand-footer .brand-text strong,
.brand-footer .brand-text small {
  color: white;
}

.footer-inner p {
  margin: 0;
  font-size: 11px;
}

.footer-draft {
  margin-left: auto !important;
  color: #f0d067;
  font-weight: 700;
}

@media (max-width: 980px) {
  .global-nav {
    gap: 16px;
  }

  .global-nav a {
    font-size: 11px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    width: min(100%, 620px);
    margin-inline: auto;
  }

  .intro-grid,
  .company-grid,
  .contact-box,
  .people-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .service-card > p:not(.service-index, .review-note) {
    min-height: auto;
  }

  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .strength-grid article:nth-child(2) {
    border-right: 0;
  }

  .strength-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .review-box {
    grid-template-columns: 1fr;
  }

  .review-box > p {
    grid-column: auto;
    margin: 0;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .draft-bar {
    align-items: flex-start;
    font-size: 10px;
  }

  .header-inner {
    min-height: 68px;
  }

  .brand-text strong {
    font-size: 23px;
  }

  .menu-button {
    display: block;
    z-index: 102;
  }

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

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

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

  .global-nav {
    position: fixed;
    inset: 36px 0 0;
    z-index: 101;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    padding: 40px;
    color: var(--navy);
    background: rgba(255, 255, 255, 0.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

  .global-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .global-nav a {
    font-size: 18px;
  }

  .nav-cta {
    padding: 12px 28px;
    color: white !important;
  }

  .hero {
    padding-top: 62px;
  }

  .hero h1 {
    font-size: clamp(48px, 15vw, 68px);
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-lead br {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 470px;
    transform: scale(0.92);
  }

  .visual-card {
    width: 190px;
    padding: 16px;
  }

  .card-telecom {
    right: -18px;
  }

  .card-sales {
    right: -14px;
  }

  .card-event {
    left: -24px;
  }

  .section {
    padding: 78px 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading > p {
    margin-top: 24px;
  }

  .service-card {
    padding: 32px 26px;
  }

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

  .strength-grid article,
  .strength-grid article:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .strength-grid article:last-child {
    border-bottom: 0;
  }

  .strength-grid h3 {
    margin-top: 24px;
  }

  .people-panel {
    padding: 28px 22px;
  }

  .company-table > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .review-box,
  .contact-box {
    padding: 38px 24px;
  }

  .review-items {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-draft {
    margin-left: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}