/* アプリと同じ色（漆喰・墨・朱）。帳面の罫を1本。飾りは足さない */
body{margin:0 auto;max-width:640px;padding:32px 20px 48px;background:#E5E3DD;color:#1A1C1F;
  font-family:-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.8;line-break:strict}
header{border-bottom:2px solid #1A1C1F;padding-bottom:12px;margin-bottom:24px}
.mark{margin:0;color:#C8371F;font-weight:700;letter-spacing:.05em}
h1{margin:4px 0 0;font-size:1.6em;line-height:1.4}
h2{font-size:1.05em;margin:2em 0 .4em;padding-left:10px;border-left:3px solid #C8371F}
p{margin:.4em 0}
a{color:#C8371F}
hr{border:0;border-top:1px solid #B8B6AF;margin:40px 0 0}
section[lang=en]{color:#4F5258;font-size:.92em}
.date{color:#4F5258;margin-top:1.5em}
footer{margin-top:32px;padding-top:12px;border-top:1px solid #B8B6AF}