:root {
  color-scheme: light dark;
  --page: #F3EFE8;
  --card: #FFFFFF;
  --art: #FCFAF7;
  --ink: #1C1A17;
  --soft: #4A453F;
  --faint: #857D73;
  --tint: #F6F1EA;
  --rule: #E6DED2;
  --accent: #AD4100;
  --error: #A1331B;
  --button: #1C1A17;
  --button-ink: #FFFFFF;
  --focus: rgba(173, 65, 0, 0.28);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --leading: 1.6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #161412;
    --card: #211F1C;
    --ink: #F3EFE9;
    --soft: #C9C1B6;
    --faint: #9A9186;
    --tint: #2B2824;
    --rule: #3A3631;
    --accent: #FF9A5C;
    --error: #FF9C8A;
    --button: #F3EFE9;
    --button-ink: #1C1A17;
    --focus: rgba(255, 154, 92, 0.35);
  }
}

:lang(ja) {
  --font: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, "Noto Sans JP", "Noto Sans CJK JP", sans-serif;
  --leading: 1.8;
  word-break: auto-phrase;
}

:lang(ko) {
  --font: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Noto Sans CJK KR", sans-serif;
  --leading: 1.75;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

:lang(th) {
  --font: -apple-system, BlinkMacSystemFont, Thonburi, "Leelawadee UI", "Noto Sans Thai", sans-serif;
  --leading: 1.9;
}

:lang(zh) {
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC", sans-serif;
  --leading: 1.8;
}

:lang(zh-TW) {
  --font: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Noto Sans CJK TC", sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  line-height: var(--leading);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

.shell {
  display: flex;
  flex-direction: column;
  max-width: 460px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: 28px 16px 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 6px 18px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand img {
  display: block;
  border-radius: 7px;
}

.card {
  padding: 12px;
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 1px 2px rgba(28, 26, 23, 0.04), 0 12px 32px rgba(28, 26, 23, 0.06);
}

.art {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: var(--art);
}

.art img {
  display: block;
  width: 100%;
  height: auto;
}

.art.loading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36%;
  height: 4px;
  border-radius: 4px;
  background: #D9825B;
  animation: travel 1.4s ease-in-out infinite;
}

@keyframes travel {
  from { transform: translateX(-100%); }
  to { transform: translateX(280%); }
}

.content {
  padding: 22px 20px 20px;
}

h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  text-wrap: balance;
  outline: none;
}

.address {
  display: inline-block;
  max-width: 100%;
  margin: 14px 0 0;
  padding: 6px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--tint);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  word-break: normal;
  overflow-wrap: anywhere;
}

.message {
  margin: 14px 0 0;
  color: var(--soft);
  font-size: 16px;
}

.message:empty { display: none; }

form { margin-top: 22px; }

label {
  display: block;
  margin: 16px 0 6px;
  font-size: 14px;
  font-weight: 600;
}

label:first-of-type { margin-top: 0; }

.field { position: relative; }

input {
  width: 100%;
  height: 50px;
  padding: 0 16px;
  border: 1.5px solid var(--rule);
  border-radius: 14px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--focus);
}

#new-password { padding-right: 84px; }

.toggle {
  position: absolute;
  top: 6px;
  right: 6px;
  height: 38px;
  padding: 0 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.toggle:focus-visible { outline: 2px solid var(--accent); }

.hint {
  margin: 8px 0 0;
  color: var(--faint);
  font-size: 13px;
}

.error {
  margin: 10px 0 0;
  color: var(--error);
  font-size: 14px;
}

.error:empty { display: none; }

.button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 20px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  background: var(--button);
  color: var(--button-ink);
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.button:hover:not(:disabled) { transform: translateY(-1px); }

.button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.actions .button { margin-top: 22px; }

.footer {
  margin-top: auto;
  padding: 24px 6px 0;
  color: var(--faint);
  font-size: 13px;
  text-align: center;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover { text-decoration: underline; }

.noscript {
  margin: 0;
  padding: 0 16px 32px;
  color: var(--soft);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .art.loading::after { animation: none; width: 100%; opacity: 0.5; }
  .button { transition: none; }
}