:root{color:#303b39;font-synthesis:none;background:#fafaf8;font-family:-apple-system,BlinkMacSystemFont,Noto Sans JP,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:#427466}a:focus-visible{outline-offset:4px;outline:2px solid #397965}.devnote{text-align:center;color:#53615b;background:#ebefeb;padding:7px 12px;font-size:11px}.header{background:#fff;border-bottom:1px solid #e7e9e6}.header-inner{justify-content:space-between;align-items:center;gap:20px;max-width:1060px;margin:auto;padding:24px 22px;display:flex}.brand{letter-spacing:.02em;font-size:19px;font-weight:750}.brand-mark,.brand small{display:none}.header nav{color:#55615d;gap:25px;font-size:13px;display:flex}.home-wrap{max-width:1060px;margin:auto;padding:0 22px}.home-intro{border-bottom:1px solid #e3e7e3;padding:51px 0 43px}.intro-label{color:#628577;font-size:12px;font-weight:700}.home-intro h1{letter-spacing:.02em;margin:12px 0;font-size:28px;line-height:1.5}.home-intro>p:last-child{color:#687671;margin:0;font-size:14px;line-height:1.9}.home-columns{grid-template-columns:minmax(0,1fr) 245px;gap:64px;padding:50px 0 90px;display:grid}.section-heading{border-bottom:2px solid #587c6c;justify-content:space-between;align-items:baseline;gap:15px;padding-bottom:14px;display:flex}.section-heading h2{margin:0;font-size:20px}.section-heading a,.sidebar a{color:#527866;font-size:13px}.empty-text{color:#7a8580;padding:28px 0;font-size:14px}.post-row{border-bottom:1px solid #e4e8e3;flex-direction:column;gap:9px;padding:22px 0;display:flex}.post-row strong{font-size:17px;line-height:1.7}.post-meta{color:#6c8a7c;font-size:12px}.post-description{color:#737d78;font-size:13px;line-height:1.7}.draft-index{margin-top:48px}.draft-index h2{margin-bottom:8px;font-size:17px}.draft-index h2 small{color:#818c85;font-size:12px;font-weight:400}.draft-index>p{color:#7e8882;font-size:12px}.sidebar section{margin-bottom:40px}.sidebar h2{border-bottom:1px solid #dbe2db;padding-bottom:12px;font-size:15px}.sidebar p{color:#64716a;font-size:13px;line-height:1.9}.sidebar ul{margin:0;padding:0;list-style:none}.sidebar li a{border-bottom:1px solid #e9ece8;justify-content:space-between;padding:13px 0;display:flex}.section{max-width:1000px;margin:auto;padding:64px 22px 90px}.listing{min-height:500px}.listing h1,.prose h1{letter-spacing:.01em;font-size:30px;line-height:1.55}.kicker{color:#628577;letter-spacing:.03em;font-size:12px;font-weight:700}.kicker span{font-weight:400}.lead{color:#728079;margin-bottom:42px;font-size:14px;line-height:1.8}.back{color:#658074;margin-bottom:28px;font-size:13px;display:inline-block}.article-list a{border-top:1px solid #e1e7e1;grid-template-columns:150px 1fr 25px;align-items:center;gap:15px;padding:22px 0;font-size:14px;display:grid}.article-list a:last-child{border-bottom:1px solid #e1e7e1}.article-list a span{color:#789080;font-size:12px}.empty{color:#6c7971;border-top:1px solid #e1e7e1;gap:15px;padding:30px 0;font-size:14px;display:flex}.empty>span{display:none}.empty p{font-size:13px}.prose{max-width:800px;min-height:500px}.prose h1{margin:20px 0 34px}.prose h2{background:#f1f5f0;border-left:4px solid #719784;margin:65px 0 22px;padding:12px 0 12px 16px;font-size:21px;line-height:1.6}.prose h3{border-bottom:1px solid #dfe7df;margin:38px 0 16px;padding-bottom:8px;font-size:18px;line-height:1.65}.prose p,.prose li{font-size:15px;line-height:2.05}.prose p{margin:1.25em 0}.prose li{margin:.4em 0}.prose p a,.prose li a{color:#39735b;text-underline-offset:3px;text-decoration:underline}.prose ul,.prose ol{padding-left:1.5em}.prose table{border-collapse:collapse;width:100%;margin:24px 0;font-size:14px}.prose th,.prose td{text-align:left;border:1px solid #dce4dc;padding:12px}.prose th{background:#f3f6f2}.prose blockquote{background:#f7f9f5;border-left:3px solid #97b49f;margin:28px 0;padding:4px 20px}.prose iframe{border:0;width:100%;height:370px;margin:24px 0 8px;display:block}.date{color:#718477}.notice{background:#edf2e7;margin:0 0 35px;padding:18px 22px}.notice p{margin:6px 0 0;font-size:13px}.mobile{display:none}footer{color:#53645a;background:#f2f5f0;border-top:1px solid #e0e6df}.footer-inner,.footer-bottom{max-width:1016px;margin:auto;padding-left:22px;padding-right:22px}.footer-inner{justify-content:space-between;gap:20px;padding-top:35px;padding-bottom:30px;display:flex}.footer-brand{font-size:16px;font-weight:700}.footer-inner p,.footer-links,.footer-bottom{font-size:12px}.footer-links{gap:20px;display:flex}.footer-bottom{border-top:1px solid #dfe6dc;justify-content:space-between;padding-top:17px;padding-bottom:20px;display:flex}.footer-bottom span{color:#87948a}@media (width<=700px){.header-inner{flex-direction:column;align-items:flex-start;gap:13px;padding:18px}.header nav{gap:18px;font-size:12px}.brand{font-size:16px}.home-wrap{padding:0 18px}.home-intro{padding:35px 0}.home-intro h1{font-size:24px}.home-columns{grid-template-columns:1fr;gap:40px;padding:38px 0 60px}.sidebar{border-top:1px solid #e2e8e1;padding-top:20px}.section{padding:45px 18px 70px}.listing h1,.prose h1{font-size:25px}.prose h2{margin-top:50px;font-size:19px}.prose h3{font-size:17px}.prose p,.prose li{font-size:15px}.prose iframe{height:300px}.article-list a{grid-template-columns:80px 1fr 16px}.footer-inner{display:block}.footer-links{margin-top:22px}.mobile{display:block}}.prose img{border-radius:3px;max-width:100%;height:auto;margin:28px auto 8px;display:block}.prose img[src$="/train.jpg"]{width:auto;max-height:680px}.prose .article-dates{color:#718477;flex-wrap:wrap;gap:8px 20px;margin:-18px 0 28px;font-size:12px;display:flex}.article-toc{background:#fff;border:1px solid #dce5dc;margin:30px 0;padding:20px 24px}.prose .article-toc-title,.prose .article-share-title{margin:0 0 10px;font-size:14px;font-weight:700}.article-toc ol{margin:0;padding-left:1.5em}.prose .article-toc li{margin:.5em 0;font-size:14px;line-height:1.7}.article-share{border-top:1px solid #dce5dc;margin-top:60px;padding-top:22px}.article-share-links{flex-wrap:wrap;gap:10px;display:flex}.article-share-links a{background:#fff;border:1px solid #cbd8ce;border-radius:3px;padding:10px 18px;font-size:13px;display:inline-block}.article-share-links{gap:17px}.article-share-links .share-item{color:#59675f;font:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:5px;padding:0;font-size:11px;display:flex}.share-item[hidden]{display:none}.share-icon{color:#fff;border-radius:50%;place-items:center;width:44px;height:44px;display:grid}.share-icon svg{width:23px;height:23px}.share-threads{font-family:Arial,sans-serif;font-size:28px;font-weight:600;line-height:1}.share-other{background:#70877b}.share-item:focus-visible{outline-offset:4px;outline:2px solid #397965}.prose .share-icon img{border-radius:0;margin:0;display:block}.prose .share-line img{width:44px;height:auto}.prose .share-x img,.prose .share-threads img{object-fit:contain;width:22px;height:22px}.share-line{background:0 0}.share-x,.share-threads{background:#000}.share-item:hover .share-icon{opacity:1}.share-item:hover>span:last-child{text-decoration:underline}
