:root {
  color-scheme: light;
  --background: #fffcf8;
  --foreground: #342d27;
  --secondary: #746457;
  --muted: #857265;
  --accent: #a94f1b;
  --orange: #e88749;
  --accent-soft: #fff0e1;
  --navigation: #ffebd7;
  --border: #efdfce;
  --nav-active: #a94f1b;
  --nav-active-text: #fffaf5;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --background: #211d1a;
  --foreground: #f4eae0;
  --secondary: #c0ae9e;
  --muted: #ad9988;
  --accent: #ffb176;
  --orange: #f3a469;
  --accent-soft: #3a291e;
  --navigation: #3c2a1e;
  --border: #513a2a;
  --nav-active: #ffb176;
  --nav-active-text: #332219;
}
* { box-sizing: border-box; }
html { min-width: 280px; scroll-behavior: smooth; }
body { margin: 0; overflow-x: clip; background: var(--background); color: var(--foreground); font-family: var(--sans); font-size: 15px; -webkit-font-smoothing: antialiased; transition: background-color .25s, color .25s; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
::selection { background: var(--accent-soft); color: var(--foreground); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 5px; }
.site-shell { display: flex; flex-direction: column; min-height: 100vh; min-height: 100svh; max-width: 1800px; margin: 0 auto; }
.skip-link { position: fixed; z-index: 30; left: 24px; top: -80px; padding: 12px 20px; background: var(--foreground); color: var(--background); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; justify-content: flex-end; align-items: center; min-height: 104px; padding: 28px 48px 0; }
.navigation { position: fixed; top: 28px; left: 0; z-index: 10; isolation: isolate; display: flex; align-items: center; gap: 8px; width: 332px; height: 72px; padding: 0 52px 0 22px; }
.navigation::before { content: ""; position: absolute; z-index: -1; pointer-events: none; inset: 0; border-radius: 0 999px 999px 0; background: var(--navigation); border: 1px solid var(--border); border-left: 0; }
.nav-link { display: inline-flex; align-items: center; justify-content: center; gap: 6px; flex-shrink: 0; min-height: 44px; padding: 10px 18px; border-radius: 99px; font-size: 13px; line-height: 20px; color: var(--accent); transition: color .18s, background-color .18s; }
.nav-link svg { width: 12px; height: 12px; }
.nav-link:hover { background: var(--accent-soft); }
.nav-link.is-active { color: var(--nav-active-text); background: var(--nav-active); }
.header-right { display: flex; align-items: center; }
.theme-toggle { border: 1px solid var(--border); background: transparent; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: var(--secondary); transition: background-color .2s, color .2s; }
.theme-toggle:hover { background: var(--accent-soft); color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.moon-icon { display: none; }
html[data-theme="dark"] .sun-icon { display: none; }
html[data-theme="dark"] .moon-icon { display: block; }
main { flex: 1; display: flex; outline: none; }
.home-page { width: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 66px 24px 47px; scroll-margin-top: 110px; }
.intro { display: flex; flex-direction: column; align-items: center; width: 100%; text-align: center; animation: arrive .5s ease-out both; }
.avatar { position: relative; display: grid; place-items: center; width: 102px; height: 102px; margin-bottom: 27px; padding: 6px; background: var(--accent-soft); border-radius: 50%; border: 1px solid var(--border); }
.avatar::after { content: ""; position: absolute; z-index: 1; inset: 6px; border: 1px solid var(--accent); opacity: .18; border-radius: 50%; pointer-events: none; }
.avatar-photo { width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; border-radius: 50%; }
.eyebrow { margin: 0 0 12px; color: var(--muted); font-size: 10px; font-weight: 500; line-height: 1.5; letter-spacing: 2.8px; }
.intro h1 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: clamp(68px, 7vw, 88px); line-height: 1.1; letter-spacing: -4.5px; }
.name-period { color: var(--orange); }
.intro-line { max-width: 100%; margin: 28px 0 0; padding: 11px 27px; background: var(--accent-soft); border: 1px solid var(--border); border-radius: 99px; font-size: 16px; font-weight: 400; line-height: 1.9; letter-spacing: .8px; text-wrap: balance; }
.contact-area { position: relative; margin-top: 23px; }
.contact-links { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px 19px; }
.contact-link { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 44px; padding: 7px 3px; border: 0; border-radius: 6px; background: transparent; color: var(--secondary); font-family: var(--sans); font-size: 12px; line-height: 1.5; letter-spacing: .15px; transition: color .18s; }
.contact-link svg { width: 17px; height: 17px; flex-shrink: 0; }
.contact-link:hover { color: var(--accent); }
.contact-link.has-qr:hover,
.contact-link.has-qr:focus-within,
.contact-link.has-qr.is-qr-open { z-index: 8; }
.contact-qr { position: absolute; left: 50%; bottom: calc(100% + 12px); z-index: 8; width: 176px; padding: 8px; border: 1px solid var(--border); border-radius: 14px; background: var(--background); box-shadow: 0 10px 28px #00000014; opacity: 0; visibility: hidden; pointer-events: none; transform: translateX(-50%) translateY(6px); transition: opacity .18s ease, transform .18s ease, visibility .18s; }
.contact-qr::after { content: ""; position: absolute; left: 50%; bottom: -5px; width: 9px; height: 9px; border: 1px solid var(--border); border-top: 0; border-left: 0; background: var(--background); transform: translateX(-50%) rotate(45deg); }
.contact-qr img { display: block; width: 100%; height: auto; border-radius: 8px; }
.contact-link.has-qr:hover .contact-qr,
.contact-link.has-qr:focus-within .contact-qr,
.contact-link.has-qr.is-qr-open .contact-qr { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.contact-feedback { position: absolute; top: calc(100% + 7px); left: 50%; z-index: 5; transform: translateX(-50%); width: max-content; max-width: min(360px, calc(100vw - 36px)); margin: 0; padding: 9px 14px; border: 1px solid var(--border); border-radius: 11px; background: var(--background); color: var(--accent); box-shadow: 0 5px 18px #00000008; font-size: 12px; line-height: 1.7; text-align: center; overflow-wrap: anywhere; user-select: text; }
.little-note { display: flex; align-items: center; gap: 16px; margin-top: 72px; color: var(--muted); }
.little-note p { margin: 0; font-size: 10px; letter-spacing: 2px; }
.note-line { width: 25px; height: 1px; background: var(--border); }
.site-footer { display: flex; flex-direction: column; gap: 9px; padding: 23px 48px 18px; color: var(--secondary); font-size: 10px; line-height: 1.8; letter-spacing: .5px; }
.footer-meta { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.filing-link { align-self: center; display: inline-flex; align-items: center; min-height: 30px; padding: 3px 8px; color: var(--muted); font-size: 10px; letter-spacing: .3px; text-align: center; }
.filing-link:hover { color: var(--accent); }
.footer-name { font-size: 12px; }
.footer-name span { margin-left: 9px; color: var(--muted); font-size: 10px; }
.site-footer p { margin: 0; }
.footer-period { color: var(--orange); margin-left: 3px; }
@keyframes arrive { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@media (min-height: 900px) and (min-width: 641px) {
  .home-page { padding-bottom: 77px; }
  .little-note { margin-top: 88px; }
}
@media (max-width: 640px) {
  .site-header { min-height: 98px; padding: 21px 22px 0; }
  .navigation { top: 22px; width: 268px; height: 68px; gap: 6px; padding: 0 36px 0 16px; }
  .nav-link { padding: 9px 14px; font-size: 12px; }
  .nav-link svg { width: 11px; height: 11px; }
  .theme-toggle { width: 36px; height: 36px; }
  .home-page { padding: 60px 22px 48px; scroll-margin-top: 100px; }
  .avatar { width: 88px; height: 88px; margin-bottom: 26px; padding: 5px; }
  .eyebrow { font-size: 9px; }
  .intro h1 { font-size: 69px; letter-spacing: -3.5px; }
  .intro-line { max-width: 355px; font-size: 14px; letter-spacing: .4px; line-height: 1.9; margin-top: 25px; padding: 12px 19px; border-radius: 24px; }
  .contact-area { margin-top: 19px; }
  .contact-links { column-gap: 14px; }
  .contact-link { gap: 5px; padding-left: 1px; padding-right: 1px; font-size: 11px; }
  .contact-link svg { width: 16px; height: 16px; }
  .contact-qr { width: 156px; padding: 7px; border-radius: 12px; }
  .little-note { margin-top: 54px; }
  .site-footer { padding: 18px 24px 14px; gap: 8px; font-size: 9px; letter-spacing: 0; }
  .footer-meta { gap: 12px; }
  .footer-name { font-size: 11px; }
  .footer-name span { font-size: 9px; margin-left: 6px; }
}
@media (max-width: 350px) {
  .site-header { padding-right: 15px; }
  .navigation { width: 248px; padding-left: 14px; padding-right: 32px; gap: 4px; }
  .nav-link { padding-left: 12px; padding-right: 12px; }
  .contact-links { column-gap: 10px; }
  .contact-link { gap: 4px; font-size: 10px; }
  .contact-link svg { width: 15px; height: 15px; }
  .site-footer { padding-right: 18px; padding-left: 18px; }
  .footer-meta > p { font-size: 8px; }
}
@media (max-height: 720px) {
  .contact-qr { bottom: auto; top: calc(100% + 12px); }
  .contact-qr::after { bottom: auto; top: -5px; transform: translateX(-50%) rotate(-135deg); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}