:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #172b43;
  background: #f4f7fb;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(ellipse at 50% 34%, rgba(226, 236, 249, 0.62), transparent 43%),
    #f4f7fb;
}

a {
  color: inherit;
}

.page {
  display: flex;
  width: min(100% - 48px, 1120px);
  min-height: 100vh;
  margin: 0 auto;
  flex-direction: column;
}

.site-header {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e3e9f1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #223b59;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid #dce6f1;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(27, 55, 86, 0.04);
}

.brand-mark svg {
  width: 20px;
  stroke: #39658f;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-name {
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.header-note {
  color: #74849a;
  font-size: 13px;
  font-weight: 500;
}

.notice-card {
  width: min(100%, 630px);
  margin: auto;
  padding: 38px 56px 52px;
  border: 1px solid #e6ebf2;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 20px 60px rgba(29, 55, 83, 0.07),
    0 2px 8px rgba(29, 55, 83, 0.025);
  text-align: center;
}

.illustration {
  width: 160px;
  height: 128px;
  margin: 0 auto 24px;
}

.illustration svg {
  display: block;
  width: 100%;
  height: 100%;
}

.illustration-shadow {
  stroke: #e4eaf2;
}

.illustration-paper {
  fill: #fff;
  stroke: #cbd9e8;
  stroke-width: 2;
}

.illustration-line {
  stroke: #cbd9e8;
}

.illustration-envelope {
  fill: #edf4fb;
  stroke: #91abc6;
  stroke-width: 2;
}

.illustration-flap {
  stroke: #7898b9;
}

.illustration-accent {
  fill: #7aa4cc;
}

.illustration-spark {
  stroke: #a4bbd3;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 15px;
  color: #527495;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #56a987;
  box-shadow: 0 0 0 3px #e8f5ef;
}

h1 {
  max-width: 500px;
  margin: 0 auto;
  color: #172b43;
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.intro {
  max-width: 440px;
  margin: 18px auto 0;
  color: #687a90;
  font-size: 16px;
  line-height: 1.7;
}

.contact-panel {
  display: flex;
  min-height: 76px;
  align-items: center;
  margin-top: 34px;
  padding: 14px 18px;
  border: 1px solid #e3eaf2;
  border-radius: 12px;
  background: #f8fafc;
  text-align: left;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.contact-panel:hover {
  transform: translateY(-1px);
  border-color: #c4d5e6;
  background: #f5f9fd;
}

.contact-icon {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  margin-right: 14px;
  border-radius: 10px;
  background: #eaf1f8;
  color: #486f97;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  color: #75859a;
  font-size: 12px;
  font-weight: 550;
}

.contact-email {
  overflow-wrap: anywhere;
  color: #2e567e;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
  text-underline-offset: 3px;
}

.contact-email:hover {
  text-decoration: underline;
}

.contact-email:focus-visible {
  border-radius: 4px;
  outline: 3px solid #91b6dc;
  outline-offset: 4px;
}

.contact-arrow {
  margin-left: auto;
  padding-left: 12px;
  color: #8296ab;
  font-size: 19px;
}

.site-footer {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #8795a7;
  font-size: 12px;
  text-align: center;
}

.footer-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #a7b3c1;
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 32px, 1120px);
  }

  .site-header {
    min-height: 72px;
  }

  .header-note {
    font-size: 12px;
  }

  .notice-card {
    padding: 32px 22px 30px;
  }

  .illustration {
    margin-bottom: 20px;
  }

  .intro {
    font-size: 15px;
  }

  .contact-panel {
    margin-top: 28px;
    padding-right: 13px;
    padding-left: 13px;
  }

  .contact-icon {
    width: 38px;
    height: 38px;
    margin-right: 11px;
  }

  .contact-email {
    font-size: 14px;
  }

  .site-footer {
    min-height: 68px;
    flex-wrap: wrap;
    gap: 6px 9px;
    padding: 12px 0;
  }
}

@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;
  }
}