:root { --accent: #9b5de5; --bg: #fffafc; --ink: #1f1f1f; }
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
.container { max-width: 960px; margin: 0 auto; padding: 24px; }
.header { display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 16px 24px; background: white; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; letter-spacing: 0.5px; }
.nav { display: flex; gap: 12px; flex-wrap: wrap; }
.nav a { padding: 8px 12px; border-radius: 999px; }
.nav a.active, .nav a:hover { background: var(--accent); color: white; }
.hero { padding: 56px 0; text-align: center; }
.hero h1 { font-size: 40px; margin: 0 0 8px; }
.hero p { margin: 0; opacity: 0.8; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.card { background: white; border: 1px solid #eee; border-radius: 16px; padding: 16px; }
.footer { padding: 48px 24px; text-align: center; opacity: 0.7; }
.btn { display: inline-block; background: var(--accent); color: white; padding: 10px 16px; border-radius: 10px; }
img.responsive { width: 100%; height: auto; border-radius: 12px; }
.notice { background: #f6f3ff; border: 1px dashed var(--accent); padding: 12px; border-radius: 12px; }
label { display: block; margin: 12px 0 4px; }
input, textarea { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 10px; background: white; }
ul.timeline { list-style: none; padding: 0; }
ul.timeline li { padding: 12px 0; border-bottom: 1px solid #eee; }
small.hint { display: block; opacity: .7; margin-top: 6px; }