@font-face {
  font-family: "CSJ Noto Serif JP";
  src: url("../fonts/noto-serif-ja.otf") format("opentype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "CSJ Noto Sans JP";
  src: url("../fonts/noto-sans-ja.otf") format("opentype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --csj-cinnabar: #c13a2f;
  --csj-cinnabar-deep: #9e2b22;
  --csj-sumi: #2a2622;
  --csj-sumi-soft: #62594f;
  --csj-gold: #a88a4e;
  --csj-washi: #f4efe6;
  --csj-washi-deep: #e9e0d1;
  --csj-paper: #fbf8f2;
  --csj-line: #d8cfc0;
}

body.login {
  min-height: 100%;
  background:
    radial-gradient(circle at 14% 10%, rgba(168, 138, 78, 0.14), transparent 32rem),
    linear-gradient(135deg, var(--csj-washi) 0%, var(--csj-paper) 50%, var(--csj-washi-deep) 100%);
  color: var(--csj-sumi);
  font-family: "CSJ Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
}

body.login::before,
body.login::after {
  position: fixed;
  z-index: 0;
  content: "";
  pointer-events: none;
}

body.login::before {
  inset: 0 auto 0 0;
  width: 7px;
  background: var(--csj-cinnabar);
}

body.login::after {
  top: clamp(2rem, 8vw, 6rem);
  right: clamp(1.5rem, 8vw, 8rem);
  width: 12rem;
  height: 12rem;
  border: 1px solid rgba(168, 138, 78, 0.25);
  border-radius: 50%;
  box-shadow:
    0 0 0 2.5rem rgba(168, 138, 78, 0.035),
    0 0 0 5rem rgba(168, 138, 78, 0.025);
}

#login {
  position: relative;
  z-index: 1;
  width: min(440px, calc(100% - 40px));
  padding: clamp(3rem, 8vh, 6rem) 0 2rem;
}

.login h1 {
  margin-bottom: 1.5rem;
}

.login h1 a {
  width: 88px;
  height: 88px;
  margin: 0 auto;
  border: 1px solid var(--csj-line);
  border-radius: 50%;
  background-color: var(--csj-washi);
  background-image: url("../images/favicon.svg");
  background-position: center;
  background-size: 64px;
  box-shadow: 0 12px 32px rgba(42, 38, 34, 0.08);
}

.csj-login-intro {
  margin: 0 0 1.5rem;
  text-align: center;
}

.csj-login-intro .csj-login-eyebrow {
  margin: 0 0 0.45rem;
  color: var(--csj-gold);
  font-family: "CSJ Noto Sans JP", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.csj-login-intro h2 {
  margin: 0;
  color: var(--csj-sumi);
  font-family: "CSJ Noto Serif JP", "Yu Mincho", serif;
  font-size: clamp(1.45rem, 5vw, 1.9rem);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.csj-login-intro p:last-child {
  margin: 0.65rem 0 0;
  color: var(--csj-sumi-soft);
  font-size: 0.82rem;
  line-height: 1.8;
}

.login form {
  margin-top: 0;
  padding: 32px;
  border: 1px solid var(--csj-line);
  border-radius: 2px;
  background: rgba(251, 248, 242, 0.94);
  box-shadow: 0 18px 50px rgba(42, 38, 34, 0.1);
}

.login label {
  color: var(--csj-sumi);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.login form .input,
.login input[type="text"],
.login input[type="password"] {
  min-height: 48px;
  margin: 0.5rem 0 1.2rem;
  padding: 8px 12px;
  border: 1px solid var(--csj-line);
  border-radius: 1px;
  background: #fffdf8;
  color: var(--csj-sumi);
  font-family: "CSJ Noto Sans JP", sans-serif;
  font-size: 1rem;
  box-shadow: none;
}

.login form .input:focus,
.login input[type="text"]:focus,
.login input[type="password"]:focus {
  border-color: var(--csj-cinnabar);
  box-shadow: 0 0 0 1px var(--csj-cinnabar);
  outline: 0;
}

.login .button.wp-hide-pw {
  color: var(--csj-cinnabar-deep);
}

.login .button-primary {
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--csj-cinnabar);
  border-radius: 1px;
  background: var(--csj-cinnabar);
  color: #fffaf3;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-shadow: none;
  box-shadow: none;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.login .button-primary:hover,
.login .button-primary:focus {
  border-color: var(--csj-cinnabar-deep);
  background: var(--csj-cinnabar-deep);
  color: #fff;
}

.login .button-primary:active {
  transform: translateY(1px);
}

.login .forgetmenot {
  padding-top: 7px;
}

.login input[type="checkbox"]:checked::before {
  filter: hue-rotate(125deg) saturate(1.25);
}

.login #nav,
.login #backtoblog,
.login .privacy-policy-page-link {
  text-align: center;
}

.login #nav a,
.login #backtoblog a,
.login .privacy-policy-page-link a {
  color: var(--csj-sumi-soft);
  text-decoration-color: var(--csj-gold);
  text-underline-offset: 0.25em;
}

.login #nav a:hover,
.login #backtoblog a:hover,
.login .privacy-policy-page-link a:hover {
  color: var(--csj-cinnabar-deep);
}

.login .message,
.login .notice,
.login #login_error {
  margin-bottom: 1.25rem;
  border: 1px solid var(--csj-line);
  border-left: 4px solid var(--csj-gold);
  background: rgba(251, 248, 242, 0.96);
  color: var(--csj-sumi);
  box-shadow: none;
}

.login #login_error {
  border-left-color: var(--csj-cinnabar);
}

.login .language-switcher {
  margin-top: 1.5rem;
}

.login .language-switcher form {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.login .language-switcher select {
  min-height: 38px;
  border-color: var(--csj-line);
  border-radius: 1px;
  background-color: var(--csj-paper);
  color: var(--csj-sumi);
}

.login .language-switcher .button {
  min-height: 38px;
  border-color: var(--csj-line);
  border-radius: 1px;
  background: var(--csj-paper);
  color: var(--csj-sumi);
}

@media (max-width: 520px) {
  #login {
    width: min(390px, calc(100% - 32px));
    padding-top: 2.5rem;
  }

  .login form {
    padding: 24px 20px;
  }

  body.login::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login .button-primary {
    transition: none;
  }
}