.root {
  --ink: #18181b;
  --muted: #5e616e;
  --line: #e4e4e7;
  --paper: #fff;
  --blue: #2468d8;
  --blue-dark: #1455be;
  min-height: 100vh;
  background: #fff;
  color: var(--ink);
  font-family: var(--v3-sans), Arial, sans-serif;
  line-height: 1.65;
  letter-spacing: -.01em;
}
.root ::selection { background: #cce0ff; color: #022c70; }
.root :focus-visible { outline: 3px solid #2468d8; outline-offset: 5px; }
.root .public-header { max-width: 1200px; padding: 22px 32px; min-height: 88px; border-bottom: 1px solid var(--line); }
.root .brand { font-weight: 600; font-size: 21px; letter-spacing: -.04em; gap: 9px; }
.root .brand svg { flex-shrink: 0; color: #245ca8; }
.root .public-navigation { gap: 25px; font-size: 13px; }
.root .button { font-weight: 500; letter-spacing: -.01em; border-radius: 12px; min-height: 44px; }
.root .button.primary {
  position: relative;
  overflow: hidden;
  border: 0;
  background: radial-gradient(101.79% 101.79% at 65.61% 81.79%, rgb(255 255 255 / 60%), transparent), radial-gradient(114.65% 114.65% at 9.73% 17.27%, #1e82e0, #1c38ea);
  background-blend-mode: overlay, normal;
  color: #fff;
  box-shadow: 0 3px 8px rgb(148 172 243 / 24%), inset -3px -3px 4px rgb(191 229 251 / 40%), inset 4px 4px 4px rgb(19 26 228 / 10%);
  transition: transform .16s ease-out;
}
.root .button.primary::before {
  content: "";
  position: absolute;
  pointer-events: none;
  inset: 0;
  padding: 3px;
  border-radius: 10px;
  background: linear-gradient(176.87deg, rgb(255 255 255 / 50%) 8.56%, transparent 85.04%);
  opacity: .45;
  filter: blur(1px);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}
@media (hover: hover) {
  .root .button.primary:hover:not(:disabled) { transform: scale(1.03); }
}
.root .button.primary:active:not(:disabled) { transform: scale(.97); }
.root .button.secondary { background: #f3f8ff; color: #254e79; border-color: #d6e2f4; box-shadow: none; }
.root .button:disabled { opacity: .55; cursor: not-allowed; }
.root .public-footer { max-width: 1136px; margin: 0 auto; padding: 36px 0 44px; gap: 36px 60px; font-size: 12px; line-height: 1.7; }
.root .public-footer>div { max-width: 250px; }
.root .public-footer strong { font-size: 19px; font-weight: 600; color: #18181b; letter-spacing: -.03em; }
.root .public-footer p { margin-top: 9px; }
.root .public-footer nav { max-width: 550px; gap: 8px 24px; }
.root .public-footer a { min-height: 36px; text-decoration: none; }
.root .public-footer a:hover { text-decoration: underline; }
.article { max-width: 1136px; margin: 0 auto; padding-bottom: 88px; }
.articleHero { padding: 68px 0 52px; max-width: 850px; }
.articleHero h1 { font-size: clamp(36px, 4.3vw, 56px); font-weight: 500; line-height: 1.12; letter-spacing: -.035em; text-wrap: balance; margin: 0; }
.articleHero>p { max-width: 65ch; color: var(--muted); font-size: 17px; line-height: 1.75; margin: 24px 0 0; }
.articleLayout { display: grid; grid-template-columns: 255px minmax(0, 1fr); gap: 76px; align-items: start; border-top: 1px solid var(--line); padding-top: 42px; }
.contents { position: sticky; top: 32px; padding: 0 22px 10px 0; border-right: 1px solid var(--line); }
.contents h2 { font-size: 13px; font-weight: 600; margin: 0 0 18px; }
.contents ul { list-style: none; margin: 0; padding: 0; }
.contents li+li { margin-top: 12px; }
.contents a { display: block; color: #5e616e; font-size: 13px; line-height: 1.6; padding-block: 4px; text-decoration: none; }
.contents a:hover { color: #245cb4; text-decoration: underline; text-underline-offset: 4px; }
.articleBody { max-width: 72ch; min-width: 0; }
.articleBody section { scroll-margin-top: 30px; margin: 0 0 42px; }
.articleBody h2 { font-weight: 500; font-size: 26px; letter-spacing: -.025em; line-height: 1.3; margin: 0 0 16px; text-wrap: balance; }
.articleBody p { font-size: 15px; color: #505765; line-height: 1.85; margin: 0 0 15px; overflow-wrap: anywhere; }
.articleBody .related { border-top: 1px solid var(--line); padding-top: 32px; margin-top: 50px; }
.related h2 { font-size: 20px; }
.related ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.related a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 18px; background: #f3f8ff; border-radius: 10px; color: #245ca8; font-size: 14px; text-decoration: none; }
.related a:hover { background: #e9f2ff; }
.articleAction { margin-top: 28px; }
.signIn { max-width: 1136px; margin: 52px auto 72px; display: grid; grid-template-columns: .95fr 1.05fr; gap: 72px; align-items: start; }
.signInVisual { background: linear-gradient(180deg, rgb(8 37 78 / 52%), rgb(8 37 78 / 30%)), url('/images/home-v3/blue-dawn.webp') center / cover; color: #fff; min-height: 650px; border-radius: 16px; padding: 46px 34px; display: flex; flex-direction: column; justify-content: space-between; }
.signInVisual h2 { font-family: var(--v3-display), Georgia, serif; font-size: 54px; line-height: 1.04; font-weight: 500; letter-spacing: -.012em; margin: 0; }
.signInVisual p { font-size: 15px; max-width: 34ch; line-height: 1.7; color: #fff; margin: 26px 0; }
.signInVisual>a { align-self: start; color: #fff; background: #254e79; padding: 9px 14px; border-radius: 6px; font-size: 13px; text-underline-offset: 4px; }
.signIn .login-card { width: 100%; max-width: 520px; padding: 24px 0 0; border: none; border-radius: 0; box-shadow: none; background: transparent; }
.signIn .login-card h1 { font-size: clamp(30px, 3.4vw, 40px); letter-spacing: -.03em; font-weight: 500; line-height: 1.16; margin: 0 0 22px; }
.signIn .login-card>p { font-size: 14px; line-height: 1.85; margin: 0 0 24px; }
.signIn .notice { font-size: 13px; border-radius: 10px; line-height: 1.7; }
.signIn .login-footnote { padding: 24px; margin-top: 30px; background: #f3f8ff; border: none; border-radius: 12px; font-size: 12px; line-height: 1.8; }
.signIn .login-footnote strong { font-size: 14px; font-weight: 500; }
.signIn .login-footnote a { color: #245ca8; text-underline-offset: 4px; }
.signIn .field-hint { font-size: 12px; }
@media (max-width: 1200px) {
  .article, .signIn { margin-inline: 32px; }
  .root .public-footer { margin-inline: 32px; }
  .signIn { gap: 44px; }
  .articleLayout { gap: 50px; }
}
@media (max-width: 900px) {
  .root .public-header { padding-inline: 24px; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
  .root .public-menu-toggle { display: inline-flex; }
  .root .public-navigation { display: none; width: 100%; }
  .root .public-navigation.menu-open { display: flex; flex-direction: column; align-items: stretch; gap: 6px; padding-top: 12px; }
  .root .public-navigation>a { padding-inline: 12px; }
  .articleLayout { grid-template-columns: 205px minmax(0, 1fr); gap: 30px; }
  .signIn { gap: 30px; }
  .signInVisual { padding: 32px 25px; min-height: 660px; }
  .signInVisual h2 { font-size: 43px; }
}
@media (max-width: 680px) {
  .article, .signIn { margin-inline: 24px; }
  .root .public-header { min-height: 78px; padding-block: 16px; }
  .root .brand { font-size: 20px; }
  .articleHero { padding: 40px 0 32px; }
  .articleHero>p { font-size: 15px; margin-top: 20px; }
  .articleLayout { display: block; padding-top: 28px; }
  .contents { position: static; border: 0; background: #f3f8ff; border-radius: 12px; padding: 22px; margin-bottom: 36px; }
  .contents li+li { margin-top: 8px; }
  .contents a { font-size: 13px; }
  .articleBody h2 { font-size: 23px; }
  .articleBody p { font-size: 14px; }
  .article { padding-bottom: 60px; }
  .signIn { display: flex; flex-direction: column; margin-top: 30px; margin-bottom: 50px; }
  .signInVisual { order: 2; min-height: 340px; width: 100%; padding: 32px 26px; }
  .signInVisual h2 { font-size: 43px; }
  .signIn .login-card { max-width: none; padding: 0; }
  .signIn .login-card h1 { font-size: 34px; }
  .root .public-footer { margin-inline: 24px; padding-top: 28px; gap: 20px; }
  .root .public-footer nav { flex-direction: column; gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  .root .button { transition: none; transform: none !important; }
}