/* 색상은 이곳에서, 소개 글은 index.html에서 수정하세요. */
:root {
  --background: #f8f7f3;
  --text: #202d2a;
  --muted: #59665f;
  --accent: #26644d;
  --line: #d9dfd7;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif; line-height: 1.7; word-break: keep-all; }
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
.page { width: min(880px, calc(100% - 64px)); margin: 0 auto; }
.header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.brand { font-size: 21px; font-weight: 800; text-decoration: none; }
.brand-dot { color: var(--accent); }
nav { display: flex; gap: 24px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, .contact-list a:hover { color: var(--accent); text-decoration: underline; }
.intro { padding: 80px 0 72px; }
.eyebrow { margin: 0 0 24px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .18em; }
h1 { margin: 0 0 24px; font-size: clamp(42px, 7vw, 68px); line-height: 1.25; letter-spacing: -.055em; font-weight: 750; }
h1 span { color: var(--accent); }
.affiliation { margin: 0 0 8px; font-size: 17px; font-weight: 600; }
.summary { margin: 0; color: var(--muted); font-size: 17px; }
.contact-link { display: inline-flex; align-items: center; gap: 25px; margin-top: 30px; font-size: 14px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 4px; color: var(--accent); }
.section { display: grid; grid-template-columns: 220px minmax(0, 1fr); align-items: start; gap: 24px; border-top: 1px solid var(--line); padding: 32px 0; }
.section-heading { display: flex; align-items: baseline; gap: 16px; }
.number { color: var(--accent); font-size: 12px; font-weight: 600; }
h2 { margin: 0; font-size: 19px; letter-spacing: -.03em; }
.interests { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.interests li { padding: 7px 18px; border: 1px solid #cbd8cd; border-radius: 100px; color: var(--accent); background: #eff3eb; font-size: 15px; }
.course-name { margin: 0; font-size: 17px; }
.contact-list { margin: 0; font-size: 15px; }
.contact-list > div { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 12px; }
.contact-list > div + div { margin-top: 16px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; word-break: normal; }
.contact-list a { text-decoration: none; }
.placeholder { color: var(--muted); }
footer { margin-top: 40px; padding: 24px 0 32px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 12px; }
.skip-link { position: absolute; top: -100px; left: 16px; padding: 8px 16px; background: var(--text); color: white; z-index: 1; }
.skip-link:focus { top: 12px; }
@media (max-width: 600px) {
  .page { width: calc(100% - 40px); }
  .header { padding: 22px 0; gap: 16px; flex-wrap: wrap; }
  nav { gap: 18px; font-size: 13px; }
  .intro { padding: 56px 0; }
  .affiliation, .summary { font-size: 15px; }
  .section { grid-template-columns: 1fr; gap: 18px; padding: 26px 0; }
  footer { margin-top: 24px; flex-wrap: wrap; }
}