:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #142548;
  color: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 280px; }
.page {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  border-top: 4px solid #ffc000;
  padding: 30px 28px 24px;
  background: radial-gradient(ellipse at 50% 30%, #1b315b 0%, #142548 64%);
}
.brand { text-align: center; }
.brand img { display: block; width: 164px; height: 92px; margin: 0 auto; }
main { flex: 1; padding: 30px 0 34px; }
.notice { width: 100%; max-width: 760px; margin: 0 auto; padding: 44px 52px; border: 1px solid #ffc00040; border-radius: 14px; background: #10203fc9; }
.notice-heading { text-align: center; padding-bottom: 32px; }
.notice-heading::after { content: ""; display: block; width: 52px; height: 2px; background: #ffc000; margin: 28px auto 0; }
.eyebrow { display: inline-block; color: #ffcf38; text-transform: uppercase; letter-spacing: .19em; font-size: 12px; font-weight: 700; }
h1 { margin: 20px auto 19px; max-width: 610px; font-size: clamp(32px, 4.2vw, 44px); line-height: 1.16; font-weight: 700; letter-spacing: -.035em; text-wrap: balance; }
.status { margin: 0; color: #ffcf38; font-size: 18px; font-weight: 700; line-height: 1.5; }
.letter { color: #e2e7f1; font-size: 16px; line-height: 1.75; }
.letter p { margin: 0 0 18px; }
.greeting { color: #fff; font-weight: 700; }
.account, .contact { margin-top: 28px; }
h2 { margin: 0 0 10px; color: #ffcf38; font-size: 18px; line-height: 1.4; font-weight: 700; }
.contact h2 { margin-bottom: 17px; }
.letter .contact-note { margin: 17px 0 0; color: #bac6dd; font-size: 15px; line-height: 1.7; }
.email { display: inline-flex; gap: 12px; align-items: center; justify-content: center; padding: 16px 21px; max-width: 100%; border: 1px solid #ffc000; border-radius: 7px; background: #ffc000; color: #142548; font-size: 16px; font-weight: 700; line-height: 1.4; text-decoration: none; }
.email svg, .arrow { flex: none; }
.email span:not(.arrow) { overflow-wrap: anywhere; }
.email:hover { background: #ffda4c; border-color: #ffda4c; }
.email:focus-visible { outline: 3px solid #fff; outline-offset: 5px; }
.arrow { margin-left: 2px; font-size: 21px; line-height: 1; }
.farewell { margin-top: 30px; padding-top: 26px; border-top: 1px solid #ffffff24; color: #c5cfe1; }
.letter .signature { margin: 23px 0 0; color: #fff; line-height: 1.7; }
footer { text-align: center; color: #a3b1ce; font-size: 12px; line-height: 1.5; }
@media (max-width: 480px) {
  .page { padding: 24px 16px 20px; }
  .brand img { width: 147px; height: auto; }
  main { padding: 25px 0 26px; }
  .notice { padding: 30px 24px; border-radius: 12px; }
  .notice-heading { padding-bottom: 26px; }
  .eyebrow { font-size: 11px; letter-spacing: .16em; }
  .status { font-size: 17px; }
  .letter { font-size: 15px; }
  .letter .contact-note { font-size: 14px; }
  .email { font-size: 14px; padding: 15px; gap: 9px; }
}