@charset "UTF-8";

:root {
  color-scheme: light;
  --paper: #f5f3ed;
  --ink: #252a27;
  --muted: #686d67;
  --line: #d5d7ce;
  --accent: #a3422d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
a:hover { color: var(--accent); }
::selection { background: #e2c6b9; }
.page { max-width: 1240px; margin: 0 auto; padding: 0 56px; }
.skip-link { position: absolute; top: -70px; left: 20px; padding: 12px; z-index: 10; background: var(--ink); color: white; }
.skip-link:focus { top: 16px; }
.header { min-height: 106px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.wordmark { font-size: 13px; font-weight: 750; letter-spacing: 1.7px; white-space: nowrap; }
.wordmark-dot { margin-left: 10px; font-size: 9px; color: var(--accent); }
nav { display: flex; gap: 34px; font-size: 13px; }
.hero { position: relative; padding: 76px 0 78px; border-bottom: 1px solid var(--line); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 32px; font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #75846c; }
h1 { margin: 0; font-family: "Songti SC", "Noto Serif CJK SC", "STSong", serif; font-size: clamp(38px, 5.1vw, 68px); font-weight: 500; line-height: 1.43; letter-spacing: 1px; }
.accent { color: var(--accent); }
.hero-bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-top: 28px; }
.intro { margin: 0; font-size: 14px; color: var(--muted); line-height: 2; }
.text-link { font-size: 13px; padding-bottom: 5px; border-bottom: 1px solid var(--ink); white-space: nowrap; }
.text-link span { margin-left: 18px; font-size: 19px; }
.hero-index { position: absolute; top: 83px; right: 0; color: var(--muted); font-size: 10px; letter-spacing: 1.5px; }
.sections { padding-top: 6px; }
.section { display: grid; grid-template-columns: 1fr 1.4fr; gap: 42px; padding: 43px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: baseline; gap: 16px; }
.section-number { font-size: 11px; color: var(--accent); font-variant-numeric: tabular-nums; }
h2 { margin: 0; font-size: 20px; font-weight: 500; }
.section-en { margin-left: 7px; color: var(--muted); font-size: 9px; letter-spacing: 1px; }
.body-title { margin: 0 0 12px; font-size: 16px; line-height: 1.7; }
.muted { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.95; max-width: 440px; }
.label { display: inline-block; margin-top: 17px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 3px; font-size: 10px; color: var(--muted); letter-spacing: .3px; }
.project-title { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-bottom: 12px; }
.project-title h3 { margin: 0; font-size: 16px; font-weight: 500; }
.label-accent { margin: 0; border-color: #dfc0b4; color: var(--accent); }
.project-note { margin: 21px 0 0; color: var(--muted); font-size: 11px; }
.footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 100px; color: var(--muted); font-size: 10px; letter-spacing: .5px; }
.footer-dot { margin-left: 12px; color: var(--accent); font-size: 7px; }

@media (min-width: 1600px) {
  .hero { padding-top: 96px; padding-bottom: 96px; }
  .hero-index { top: 103px; }
}

@media (max-width: 720px) {
  .page { padding: 0 24px; }
  .header { min-height: 82px; gap: 12px; }
  .wordmark { font-size: 10px; letter-spacing: 1px; }
  .wordmark-dot { margin-left: 6px; font-size: 7px; }
  nav { gap: 17px; font-size: 12px; }
  .hero { padding: 54px 0 40px; }
  .hero-index { display: none; }
  .eyebrow { font-size: 11px; margin-bottom: 25px; }
  h1 { font-size: clamp(32px, 7.5vw, 52px); line-height: 1.5; letter-spacing: 0; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 25px; margin-top: 23px; }
  .intro { font-size: 12px; line-height: 2; }
  .text-link { font-size: 12px; }
  .section { grid-template-columns: 1fr; gap: 23px; padding: 30px 0; }
  .section-heading { gap: 12px; }
  h2 { font-size: 18px; }
  .body-title, .project-title h3 { font-size: 15px; }
  .muted { font-size: 12px; }
  .footer { min-height: 90px; flex-wrap: wrap; align-content: center; gap: 12px; font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
