:root {
  --fg: #1f1f1f;
  --muted: #5f6368;
  --bg: #ffffff;
  --card: #f6f8fc;
  --line: #e3e6ea;
  --accent: #1a73e8;
  --dot: #4c8df6;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8eaed;
    --muted: #9aa0a6;
    --bg: #17181b;
    --card: #202124;
    --line: #34363a;
    --accent: #8ab4f8;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 "Google Sans", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  word-break: keep-all;
}

a { color: var(--accent); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
}
.brand img { width: 28px; height: 28px; }

.lang {
  display: flex;
  gap: 4px;
}
.lang button {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.lang button[aria-pressed="true"] { color: var(--fg); border-color: var(--fg); }

/* JS가 없으면 두 언어 모두 보이고, 있으면 고른 언어만 보인다 */
html.js [data-lang]:not(.active) { display: none; }

.hero { padding: 48px 0 32px; }
.hero h1 { margin: 0 0 8px; font-size: 40px; font-weight: 500; line-height: 1.2; }
.hero p { margin: 0; font-size: 18px; color: var(--muted); }

.shot { margin: 32px 0 8px; }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}
.shot figcaption { margin-top: 10px; text-align: center; color: var(--muted); font-size: 14px; }

h2 { margin: 40px 0 12px; font-size: 22px; font-weight: 500; }
h3 { margin: 24px 0 8px; font-size: 17px; font-weight: 500; }
ul { padding-left: 20px; }
li { margin: 4px 0; }

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-weight: 500;
}

.note {
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: var(--card);
  border-radius: 0 8px 8px 0;
}

footer {
  margin: 56px 0 0;
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
footer a { color: inherit; }

@media (max-width: 600px) {
  .hero h1 { font-size: 30px; }
}