:root {
  --bg: #f8f8f8;
  --bg2: #FFFFFF;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-soft: rgba(230, 27, 36, 0.06);
  --line: rgba(230, 27, 36, 0.16);
  --line-strong: rgba(230, 27, 36, 0.30);
  --text: #111111;
  --muted: #4a4a4a;
  --cyan: #E61B24;
  --blue: #B80E1A;
  --violet: #8A0912;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.10);
  --max-width: 1180px;
  --radius-md: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.75;
  background:
    radial-gradient(circle at 88% 10%, rgba(230, 27, 36, 0.12), transparent 18%),
    radial-gradient(circle at 72% 8%, rgba(230, 27, 36, 0.08), transparent 18%),
    linear-gradient(180deg, #ffffff 0%, #fafafa 48%, #ffffff 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(230, 27, 36, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 27, 36, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.42;
  mask-image: radial-gradient(circle at center, #000 10%, transparent 80%);
  pointer-events: none;
  z-index: -2;
}

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

.container {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.22em;
  font-weight: 900;
  color: #E61B24;
}

.eyebrow.light {
  color: rgba(16, 24, 40, 0.82);
}

.section {
  padding: 84px 0;
}

.section-heading {
  margin-bottom: 38px;
}

.section-heading.center {
  position: relative;
  text-align: center;
  padding-top: 12px;
}

.section-heading.center::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 42px;
  height: 86px;
  background: linear-gradient(135deg, #E61B24, #D4141E 58%, #B80E1A 100%);
  box-shadow: 0 14px 34px rgba(230, 27, 36, 0.16);
}

.section-heading.center::after {
  content: "";
  position: absolute;
  top: 42px;
  left: 0;
  width: 56px;
  height: 86px;
  background: linear-gradient(135deg, rgba(255,255,255,0.22), rgba(255,255,255,0.02));
  clip-path: polygon(0 0, 100% 0, 32% 100%, 0 100%);
}

.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.section-heading.center h2 {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 86px;
  padding: 0 34px;
  color: #ffffff;
}

.about-copy-wrap h2 {
  margin: 0;
  font-size: clamp(30px, 2.7vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.section-copy,
.about-copy-wrap p,
.contact-copy p {
  margin: 14px 0 0;
  color: var(--muted);
  font-weight: 600;
}

.section-heading.center .eyebrow {
  margin-bottom: 22px;
}

.section-heading.center .section-copy {
  margin-top: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 78px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  flex: 0 0 auto;
  position: relative;
  background: linear-gradient(135deg, #E61B24, #C4141E 58%, #B80E1A);
  box-shadow: 0 0 24px rgba(230, 27, 36, 0.24);
}

.brand-mark::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 8px;
  border-radius: 999px;
  background: #fff;
  left: 8px;
  top: 10px;
  transform: rotate(-25deg);
}

.brand-mark::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 20px;
  border-radius: 999px;
  background: #fff;
  left: 16px;
  top: 14px;
  transform: rotate(24deg);
}

.brand-main {
  font-size: 27px;
  font-weight: 950;
  letter-spacing: -0.03em;
}

.brand-sub {
  font-size: 13px;
  color: #4a4a4a;
  font-weight: 800;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #111111;
  font-size: 14px;
  font-weight: 800;
}

.global-nav a:hover {
  color: #E61B24;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-header,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #E61B24, #D4141E 52%, #B80E1A 100%);
  box-shadow: 0 14px 34px rgba(230, 27, 36, 0.24);
}

.btn-secondary {
  color: #B80E1A;
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(230, 27, 36, 0.32);
}

.btn-white {
  color: #B80E1A;
  background: #fff;
}

.btn-outline-light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.70);
  background: rgba(255, 255, 255, 0.10);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 640px;
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(90deg,
      rgba(255, 255, 255, 0.96) 0%,
      rgba(255, 255, 255, 0.92) 24%,
      rgba(255, 255, 255, 0.64) 40%,
      rgba(255, 255, 255, 0.14) 58%,
      rgba(255, 255, 255, 0.04) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.08)),
    url("assets/hero-bg-blended-chibajets.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 28%, rgba(46, 115, 255, 0.10), transparent 16%),
    radial-gradient(circle at 85% 30%, rgba(139, 65, 255, 0.08), transparent 15%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 84px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.96));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 78px 0 70px;
}

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

.hero-copy h1 {
  margin: 0;
  font-size: clamp(40px, 4.2vw, 56px);
  line-height: 1.22;
  letter-spacing: -0.055em;
}

.headline-line {
  display: block;
  white-space: nowrap;
}

.hero-copy p {
  margin: 22px 0 0;
  font-size: 18px;
  color: #475467;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.service-grid,
.strength-grid {
  grid-template-columns: repeat(4, 1fr);
}

 .info-card,
.strength-card {
  min-height: 260px;
  padding: 28px 22px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 247, 247, 0.90));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.info-card::before,
.strength-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #E61B24, #C4141E, #E61B24, transparent);
  opacity: 0.95;
}

.card-icon {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  font-size: 34px;
  color: #E61B24;
  background: linear-gradient(135deg, rgba(230, 27, 36, 0.10), rgba(230, 27, 36, 0.18));
  border: 1px solid rgba(230, 27, 36, 0.18);
  box-shadow: 0 0 16px rgba(230, 27, 36, 0.10);
}

.info-card h3,
.strength-card h3 {
  margin: 18px 0 10px;
  font-size: 20px;
}

.info-card p,
.strength-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.info-card a {
  display: inline-block;
  margin-top: 16px;
  font-weight: 900;
  color: #b91c1c;
}

.section-strength {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strength-number {
  display: block;
  font-size: 34px;
  line-height: 1;
  font-weight: 950;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #E61B24, #B80E1A 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-inner {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 46px;
}

.about-visual {
  min-height: 300px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(2, 7, 18, 0.38), rgba(2, 7, 18, 0.06)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.28)),
    url("assets/hero-cyber-source-red.png");
  background-size: cover;
  background-position: 62% center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 54% 44%, rgba(18, 223, 255, 0.16), transparent 26%),
    linear-gradient(90deg, rgba(2, 7, 18, 0.62), transparent 38%, rgba(2, 7, 18, 0.10));
  pointer-events: none;
}

.about-visual::after {
  content: "CLOUD  /  NETWORK  /  SERVER  /  SECURITY";
  position: absolute;
  left: 28px;
  bottom: 24px;
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(244, 248, 255, 0.88);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.18em;
  background: rgba(2, 7, 18, 0.48);
  border: 1px solid rgba(98, 152, 255, 0.22);
  backdrop-filter: blur(10px);
}

.wave {
  display: none;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 34px;
  border-radius: 20px;
  background: linear-gradient(135deg, #E61B24, #D4141E 52%, #B80E1A 100%);
  box-shadow: 0 0 42px rgba(230, 27, 36, 0.20);
}

.contact-copy p:last-child {
  color: rgba(16, 24, 40, 0.72);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.footer-inner {
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand strong {
  font-size: 30px;
  line-height: 1;
}

.footer-brand span,
.footer-links,
.site-footer small {
  color: var(--muted);
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .about-inner,
  .contact-panel {
    grid-template-columns: 1fr;
  }

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

  .contact-actions {
    justify-content: flex-start;
  }

  .hero {
    background-position: 58% center;
  }
}

@media (max-width: 860px) {
  .global-nav {
    display: none;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--max-width));
  }

  .section-heading.center::before {
    top: 38px;
    height: 74px;
  }

  .section-heading.center::after {
    top: 38px;
    width: 34px;
    height: 74px;
  }

  .section-heading.center h2 {
    min-height: 74px;
    padding: 0 18px;
    font-size: clamp(26px, 7vw, 34px);
  }

  .brand-sub {
    display: none;
  }

  .headline-line {
    white-space: normal;
  }

  .about-copy-wrap h2 {
    white-space: normal;
  }

  .hero {
    min-height: 560px;
    background-position: 60% center;
  }

  .hero-inner {
    min-height: 560px;
    padding: 56px 0 58px;
  }

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

  .btn {
    width: 100%;
  }

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

  .site-header {
    height: auto;
  }

  .header-inner {
    min-height: 78px;
    padding: 14px 0;
    flex-wrap: wrap;
  }

  .btn-header {
    width: auto;
  }
}


.company-profile {
  min-height: 300px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 18%, rgba(230, 27, 36, 0.10), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.016));
  box-shadow: var(--shadow);
  padding: 34px;
  position: relative;
  overflow: hidden;
}

.company-profile::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(230, 27, 36, 0.08), transparent),
    linear-gradient(rgba(230, 27, 36, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 27, 36, 0.035) 1px, transparent 1px);
  background-size: 100% 100%, 34px 34px, 34px 34px;
  opacity: 0.55;
  pointer-events: none;
}

.company-profile dl {
  position: relative;
  z-index: 1;
  margin: 0;
}

.profile-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(98, 152, 255, 0.18);
}

.profile-row:first-child {
  padding-top: 0;
}

.profile-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.profile-row dt {
  color: #E61B24;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.profile-row dd {
  margin: 0;
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.75;
}

@media (max-width: 680px) {
  .company-profile {
    padding: 26px;
  }

  .profile-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 0;
  }
}


.contact-copy h2,
.contact-copy p,
.contact-copy .eyebrow,
.contact-copy p:last-child {
  color: #ffffff;
}


.section-sponsor {
  padding-top: 0;
  padding-bottom: 84px;
}

.sponsor-message-wrap {
  margin-top: 0;
}

.sponsor-message {
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 28px;
  align-items: center;
  padding: 28px 32px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(230, 27, 36, 0.10), rgba(230, 27, 36, 0.04));
  border: 1px solid rgba(230, 27, 36, 0.18);
  box-shadow: 0 16px 40px rgba(230, 27, 36, 0.08);
}

.sponsor-message__label {
  margin: 0 0 10px;
  color: #E61B24;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.sponsor-message__body h3 {
  margin: 0;
  color: #111111;
  font-size: clamp(22px, 2.3vw, 30px);
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.sponsor-message__body p:last-child {
  margin: 12px 0 0;
  color: #4a4a4a;
  font-weight: 700;
}

.sponsor-message__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  padding: 16px 18px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(230, 27, 36, 0.14);
}

.sponsor-message__logo img {
  display: block;
  width: min(260px, 100%);
  height: auto;
}

@media (max-width: 860px) {
  .sponsor-message {
    grid-template-columns: 1fr;
  }

  .sponsor-message__logo {
    min-width: 0;
  }
}

@media (max-width: 680px) {
  .section-sponsor {
    padding-bottom: 64px;
  }

  .sponsor-message {
    padding: 22px 20px;
  }

  .sponsor-message__body h3 {
    font-size: 22px;
  }
}


.brand-logo {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex: 0 0 auto;
  border-radius: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  display: block;
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex: 0 0 auto;
  border-radius: 12px;
}

.footer-brand-text {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Contact form */
.section-contact {
  background:
    radial-gradient(circle at 12% 18%, rgba(230, 27, 36, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #fff8f8 100%);
}

.contact-panel {
  grid-template-columns: 0.82fr 1.38fr;
  gap: 42px;
  align-items: start;
  padding: 42px;
}

.contact-copy {
  position: sticky;
  top: 120px;
}

.contact-copy h2 {
  font-size: clamp(30px, 3vw, 40px);
}

.contact-form {
  padding: 30px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow: 0 18px 48px rgba(76, 0, 6, 0.16);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-field label {
  color: #222222;
  font-size: 14px;
  font-weight: 900;
}

.form-field label span {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  color: #ffffff;
  background: #E61B24;
  font-size: 10px;
  line-height: 1.5;
  vertical-align: 1px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid #d9d9d9;
  border-radius: 8px;
  background: #ffffff;
  color: #111111;
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input,
.form-field select {
  min-height: 50px;
  padding: 0 14px;
}

.form-field textarea {
  min-height: 180px;
  padding: 13px 14px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: #E61B24;
  box-shadow: 0 0 0 3px rgba(230, 27, 36, 0.11);
}

.privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  color: #333333;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.privacy-check input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: #E61B24;
  flex: 0 0 auto;
}

.btn-contact-submit {
  width: 100%;
  margin-top: 22px;
  border: 0;
  color: #ffffff;
  background: linear-gradient(135deg, #E61B24, #D4141E 52%, #B80E1A 100%);
  box-shadow: 0 12px 28px rgba(230, 27, 36, 0.24);
  cursor: pointer;
  font: inherit;
}

@media (max-width: 1100px) {
  .contact-copy {
    position: static;
  }
}

@media (max-width: 680px) {
  .contact-panel {
    padding: 24px 20px;
    gap: 26px;
  }

  .contact-form {
    padding: 22px 18px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-field-full {
    grid-column: auto;
  }

  .btn-contact-submit {
    width: 100%;
  }
}


@media (max-width: 1100px) {
  .contact-panel {
    grid-template-columns: 1fr;
  }
}

/* Contact form status / anti-spam */
.form-status {
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.6;
}

.form-status.is-success {
  color: #17663a;
  background: #edf9f2;
  border: 1px solid #b8e3c9;
}

.form-status.is-error {
  color: #a20f18;
  background: #fff0f1;
  border: 1px solid #f0b8bc;
}

.form-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}