:root { --navy: #1b3a5b; --blue: #2781C5; --text: #33475b; --muted: #6b7785; --line: #e3e8ee; --bg: #ffffff; --soft: #f5f8fa; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif; font-size: 16px; line-height: 1.9; }
header { background: var(--navy); color: #fff; padding: 40px 16px 36px; text-align: center; }
header .app { font-size: .85rem; letter-spacing: .08em; opacity: .8; margin: 0 0 6px; }
header h1 { font-size: 1.7rem; line-height: 1.4; margin: 0; }
main { max-width: 760px; margin: 0 auto; padding: 40px 16px 56px; }
h2 { font-size: 1.1rem; color: var(--navy); margin: 2.2em 0 .5em; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: .3em; }
a { color: var(--blue); }
.note { font-size: .85rem; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.links a { display: inline-block; padding: 10px 20px; border: 1px solid var(--blue); border-radius: 999px; text-decoration: none; }
footer { border-top: 1px solid var(--line); background: var(--soft); padding: 20px 16px; text-align: center; font-size: .85rem; color: var(--muted); }
footer a { color: var(--muted); margin: 0 .6em; }