/* ORIGINAL STYLE: chapter2-reassurance-preview */
/* 開発者からの手紙。V0.5本文と管理区画は保持し、完成デザインはOwner Review後に調整する。 */
#developer-letter-final #chapter2-developer-letter{max-width:920px;margin:64px auto 76px;padding:60px;background:#FFFFFF;display:flow-root;text-align:left}
#developer-letter-final #chapter2-developer-letter>.chapter-reassurance{max-width:none;margin:0;padding:0;text-align:left}
#developer-letter-final #chapter2-developer-letter>.chapter-reassurance+.chapter-reassurance{margin-top:48px}
#developer-letter-final #chapter2-developer-letter .review-label{display:none}
#developer-letter-final #chapter2-developer-letter>.chapter-reassurance>h3{margin:0 0 24px}
/* 本文領域を一枚の罫線背景にし、折り返し行・段落の空白行を同じ32px単位に揃える。 */
#developer-letter-final #chapter2-developer-letter .letter-body{--letter-rule-step:32px;display:grid;row-gap:var(--letter-rule-step);min-width:0;background-image:linear-gradient(to bottom,transparent calc(100% - 1px),#E8ECEA calc(100% - 1px),#E8ECEA 100%);background-size:100% var(--letter-rule-step);background-repeat:repeat-y;background-origin:content-box;background-clip:content-box}
#developer-letter-final #chapter2-developer-letter .letter-body>p[data-copy="body"]{min-width:0;line-height:var(--letter-rule-step);padding:0;margin:0;background:none}
@media(max-width:820px){#developer-letter-final #chapter2-developer-letter{margin:32px auto 48px;padding:36px 24px}#developer-letter-final #chapter2-developer-letter>.chapter-reassurance+.chapter-reassurance{margin-top:40px}#developer-letter-final #chapter2-developer-letter>.chapter-reassurance>h3{margin-bottom:20px}}

/* ORIGINAL STYLE: chapter2-owner-signature-preview */

/* Owner本人の手書き署名。本文の罫線と独立したローカル仮配置。 */
#developer-letter-final #chapter2-developer-letter .letter-signature{margin-top:24px;text-align:right;background:none}
#developer-letter-final #chapter2-developer-letter .letter-signature-title{font-size:14px;font-weight:400;line-height:1.8;background:none}
#developer-letter-final #chapter2-developer-letter .letter-signature img{display:block;width:224px;max-width:100%;height:auto;margin:10px 0 0 auto;background:none}
@media(max-width:820px){#developer-letter-final #chapter2-developer-letter .letter-signature-title{font-size:13px}#developer-letter-final #chapter2-developer-letter .letter-signature img{width:180px}}

/* ORIGINAL STYLE: developer-letter-final-placement */
/* 既存の便箋を最終区画へ移動。内部デザインは保持し、旧章から継承した見出し指定を移管する。 */
#developer-letter-final{background:#F0F7F2;padding:56px 0 64px;display:flow-root}
#developer-letter-final h3{font-size:26px;line-height:1.6;font-weight:650;margin:0}
@media(max-width:820px){#developer-letter-final{padding:40px 0}#developer-letter-final h3{font-size:23px}}