/* The description page /intro/ (#151): readable without scripts, in the game's colours. */
:root { --ink: #1f2b3d; --paper: #f4f6f9; --navy: #1b2c47; --line: #d6dce5; --accent: #b8452f; --gold: #f0c36b; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: system-ui, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif; line-height: 1.75; }
.top { display: flex; align-items: center; gap: 12px; max-width: 880px; margin: 0 auto; padding: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--navy); text-decoration: none; font: 700 1.6rem/1 Georgia, "Times New Roman", serif; letter-spacing: .08em; }
.badge { background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
main { max-width: 880px; margin: 0 auto; padding: 0 16px 32px; }
section { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; margin: 16px 0; }
h1 { margin: 0 0 12px; font-size: 1.9rem; line-height: 1.3; color: var(--navy); }
h1 small { display: block; font-size: 1rem; font-weight: 600; color: #4a5a72; margin-top: 4px; }
h2 { margin: 0 0 8px; font-size: 1.3rem; color: var(--navy); }
h3 { margin: 16px 0 4px; font-size: 1.05rem; }
dt { font-weight: 700; margin-top: 10px; }
dd { margin: 2px 0 0 0; }
ul { padding-left: 1.3em; }
a { color: #1d5fa8; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.button { display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--navy); color: var(--navy); background: #fff; text-decoration: none; font-weight: 700; }
.button.primary { background: var(--navy); color: #fff; }
.shot { display: block; width: 100%; height: auto; border-radius: 10px; margin-top: 8px; }
.en { color: #2f3b4f; }
footer { max-width: 880px; margin: 0 auto; padding: 8px 16px 32px; text-align: center; }
@media (max-width: 600px) { section { padding: 16px; } h1 { font-size: 1.5rem; } }