:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Helvetica Neue", Arial, sans-serif;
  color: #172033;
  background: #f3f5f8;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --blue: #1677ff;
  --blue-dark: #075dc6;
  --ink: #172033;
  --muted: #687386;
  --line: rgba(24, 35, 54, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: #f3f5f8;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 0%, rgba(54, 139, 255, 0.13), transparent 31rem),
    radial-gradient(circle at 92% 100%, rgba(110, 104, 255, 0.1), transparent 27rem),
    linear-gradient(145deg, #f7f9fc 0%, #eef2f7 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(64, 80, 110, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 80, 110, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

a {
  color: inherit;
}

.page-shell {
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  padding: 32px;
}

.notice-card {
  position: relative;
  width: min(100%, 940px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    0 35px 90px rgba(28, 45, 74, 0.13),
    0 6px 22px rgba(28, 45, 74, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(26px) saturate(145%);
  -webkit-backdrop-filter: blur(26px) saturate(145%);
}

.notice-card::before {
  position: absolute;
  top: -140px;
  right: -110px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: rgba(40, 133, 255, 0.1);
  content: "";
  filter: blur(4px);
  pointer-events: none;
}

.brand-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 34px 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border-radius: 14px;
  color: #101828;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.service-label {
  color: #7a8494;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.hero-content {
  position: relative;
  padding: 66px 72px 54px;
  text-align: center;
}

.domain-label {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}

.domain-name {
  max-width: 100%;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.headline {
  margin: 16px 0 0;
  color: #49566a;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.divider {
  width: 48px;
  height: 1px;
  margin: 35px auto 28px;
  background: #b8c1cf;
}

.description {
  margin: 0;
  color: #5b6678;
  font-size: 16px;
  line-height: 1.8;
}

.description strong {
  color: #273449;
  font-weight: 650;
}

.report-panel {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  max-width: 690px;
  margin: 30px auto 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(245, 247, 250, 0.76);
  color: #657084;
  text-align: left;
}

.report-icon {
  display: grid;
  flex: 0 0 23px;
  width: 23px;
  height: 23px;
  place-items: center;
  margin-top: 1px;
  border-radius: 50%;
  background: #e2e7ee;
  color: #5d6878;
  font-size: 13px;
  font-weight: 750;
}

.report-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

.report-panel a {
  color: #246dc8;
  font-weight: 550;
  text-decoration: none;
  text-underline-offset: 3px;
}

.report-panel a:hover {
  text-decoration: underline;
}

.action-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 0 34px 30px;
}

.action-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 18px;
  border: 1px solid rgba(26, 38, 58, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  color: #263348;
  font-size: 14px;
  font-weight: 620;
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.action-button:hover {
  z-index: 1;
  transform: translateY(-2px);
  border-color: rgba(22, 119, 255, 0.22);
  background: #fff;
  box-shadow: 0 10px 28px rgba(30, 50, 82, 0.1);
}

.action-button:active {
  transform: translateY(0);
}

.action-button:focus-visible,
.brand-mark:focus-visible,
.report-panel a:focus-visible {
  outline: 3px solid rgba(22, 119, 255, 0.3);
  outline-offset: 3px;
}

.action-primary {
  border-color: #1677ff;
  background: linear-gradient(145deg, #2685ff, #0d6ee9);
  color: #fff;
  box-shadow: 0 10px 24px rgba(22, 119, 255, 0.19);
}

.action-primary:hover {
  border-color: #0e6ee9;
  background: linear-gradient(145deg, #318cff, #0966dc);
  box-shadow: 0 12px 30px rgba(22, 119, 255, 0.27);
}

.arrow {
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  opacity: 0.72;
}

.mail-arrow {
  font-size: 15px;
  font-weight: 650;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border-top: 1px solid var(--line);
  color: #929aa8;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.footer-separator {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #b4bbc5;
}

.noscript-note {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 10;
  margin: 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: #172033;
  color: white;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 720px) {
  .page-shell {
    align-items: start;
    padding: 16px;
  }

  .notice-card {
    margin: max(4vh, 16px) 0;
    border-radius: 25px;
  }

  .brand-row {
    padding: 22px 22px 0;
  }

  .brand-mark {
    min-height: 38px;
    font-size: 20px;
  }

  .service-label {
    font-size: 11px;
  }

  .hero-content {
    padding: 48px 22px 36px;
  }

  .domain-name {
    font-size: clamp(34px, 11vw, 49px);
  }

  .headline {
    font-size: 18px;
  }

  .description {
    font-size: 15px;
  }

  .report-panel {
    padding: 16px;
  }

  .action-grid {
    grid-template-columns: 1fr;
    padding: 0 22px 22px;
  }

  .action-button {
    min-height: 56px;
  }
}

@media (max-width: 390px) {
  .page-shell {
    padding: 10px;
  }

  .notice-card {
    border-radius: 22px;
  }

  .brand-row,
  .hero-content,
  .action-grid {
    padding-right: 18px;
    padding-left: 18px;
  }

  .hero-content {
    padding-top: 40px;
  }

  .service-label {
    letter-spacing: 0.03em;
  }

  .report-panel p {
    font-size: 13px;
  }

  .card-footer {
    flex-wrap: wrap;
    gap: 7px;
    padding: 10px;
  }
}

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