:root {
  --bg: #ffffff;
  --text: #0f1419;
  --muted: #536471;
  --line: #eff3f4;
  --accent: #c45c4a;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Noto Sans SC", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page {
  width: min(100%, 640px);
  margin: 0 auto;
  min-height: 100vh;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: var(--card);
}

.article {
  padding: 20px 20px 8px;
}

.meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: #e1e8ed;
  flex: 0 0 48px;
}

.author-name {
  font-weight: 800;
  font-size: 15px;
  line-height: 1.2;
}

.author-info {
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
}

.badge {
  display: inline-block;
  background: #e11d48;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.title {
  font-size: clamp(24px, 5vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.banner {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  margin: 0 0 8px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.banner-caption {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 22px;
}

.section {
  margin: 0 0 8px;
}

.section p {
  font-size: 17px;
  line-height: 1.75;
  margin: 0 0 1.15em;
  word-wrap: break-word;
}

.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 28px 0;
}

figure {
  margin: 22px 0;
}

figure img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
}

figcaption {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
}

.stills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 22px 0;
}

.stills figure {
  margin: 0;
}

.stills img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.disclaimer {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 28px 0 8px;
}

.footer {
  padding: 22px 20px calc(28px + env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  margin-top: 12px;
}

@media (max-width: 480px) {
  .article {
    padding: 16px 16px 8px;
  }

  .stills {
    grid-template-columns: 1fr;
  }

  .section p {
    font-size: 16px;
  }
}