:root{color-scheme:light;--main:#3dc2ff;--main-dark:#2ba9e3;--tint:#eefaff;--text:#313131;--muted:#8a8a8a;--line:#e4e8eb;--bg:#f4f7f9;--width:1100px;--radius:6px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:#f4f7f9;color:var(--text);font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;font-size:16px;line-height:1.8}a{color:#1a86bd;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{max-width:var(--width);margin:0 auto;padding:0 20px}.site-header{background:#fff;border-top:4px solid var(--main);box-shadow:0 1px 3px rgba(0,0,0,.05);padding:20px 0 18px;text-align:center}.site-tagline{margin:0 0 6px;font-size:12px;color:var(--muted);letter-spacing:.04em}.site-title{margin:0;font-size:28px;font-weight:700;letter-spacing:.08em}.site-title a{color:var(--text)}.site-title a:hover{text-decoration:none;opacity:.75}.site-main{padding-bottom:20px}.site-footer{margin-top:64px;background:#fff;border-top:1px solid var(--line);padding:32px 0;text-align:center}.site-title-footer{margin:0 0 8px;font-weight:700;letter-spacing:.06em}.site-title-footer a{color:var(--text)}.copyright{margin:0;font-size:12px;color:var(--muted)}.cat-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 0 28px;padding:0;list-style:none}.cat-nav a{display:inline-block;padding:7px 16px;border:1px solid var(--main);border-radius:999px;color:var(--main-dark);font-size:13px;background:#fff}.cat-nav a:hover{background:var(--main);color:#fff;text-decoration:none}.list-header{margin:32px 0 22px;text-align:center}.list-title{font-size:24px;margin:0 0 8px;display:inline-block;padding-bottom:8px;border-bottom:3px solid var(--main)}.list-count{color:var(--muted);font-size:13px;margin:0}.post-card-list{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px;margin:0 0 8px}.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease}.post-card:hover{box-shadow:0 6px 18px rgba(0,0,0,.08);transform:translateY(-2px)}.post-card-image{display:block}.post-card-image a{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--tint)}.post-card-image img{width:100%;height:100%;object-fit:cover;display:block}.post-card-noimage{display:block;width:100%;height:100%;background:var(--tint)}.post-card-body{padding:14px 16px 18px;display:flex;flex-direction:column;flex:1 1}.post-card-cat{margin:0 0 8px;align-self:flex-start;padding:2px 10px;border-radius:3px;background:var(--main);color:#fff;font-size:11px;line-height:1.7}.post-card-title{margin:0 0 6px;font-size:15px;line-height:1.6;font-weight:700}.post-card-title a{color:var(--text)}.post-card-date{margin:0 0 8px;font-size:12px;color:var(--muted)}.post-card-excerpt{margin:0;font-size:12.5px;line-height:1.7;color:var(--muted)}.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:40px 0 0}.pagination a,.pagination span{display:inline-block;min-width:40px;text-align:center;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;font-size:14px;color:var(--text)}.pagination a:hover{background:var(--tint);text-decoration:none}.pagination .current{background:var(--main);color:#fff;border-color:var(--main);font-weight:700}.article-wrap{max-width:820px;margin:24px auto 0;padding:0 20px}.breadcrumb{font-size:12px;margin:0 0 14px}.breadcrumb,.breadcrumb a{color:var(--muted)}.breadcrumb span:after{content:"›";margin:0 6px;color:#c5c5c5}.breadcrumb span:last-child:after{content:""}.cat-badges{margin:0 0 10px;display:flex;flex-wrap:wrap;gap:6px}.cat-badge{display:inline-block;padding:3px 12px;border-radius:3px;background:var(--main);color:#fff;font-size:12px}.cat-badge:hover{background:var(--main-dark);text-decoration:none}.entry-title{font-size:29px;line-height:1.5;margin:10px 0 12px;font-weight:700}.entry-date{color:var(--muted);font-size:13px;margin:0 0 22px}.entry-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 32px 40px}.entry-body h2{font-size:22px;margin:48px 0 20px;padding:13px 18px;background:var(--main);color:#fff;border-radius:4px;line-height:1.5}.entry-body h2:first-child{margin-top:0}.entry-body h3{font-size:19px;margin:36px 0 16px;padding:3px 0 3px 14px;border-left:5px solid var(--main);line-height:1.55}.entry-body h4{font-size:17px;margin:28px 0 12px;padding-bottom:6px;border-bottom:1px dotted var(--line)}.entry-body p{margin:0 0 1.7em}.entry-body ol,.entry-body ul{margin:0 0 1.7em;padding-left:1.7em}.entry-body li{margin-bottom:.5em}.entry-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}.entry-body img{display:block;margin:0 auto 1.7em;border-radius:4px}.entry-body a{text-decoration:underline}.entry-body mark{background:linear-gradient(transparent 68%,#fff9c4 0);font-weight:700;color:inherit}.table-scroll{overflow-x:auto;margin:0 0 1.7em;-webkit-overflow-scrolling:touch}.entry-body table{border-collapse:collapse;width:100%;font-size:14.5px}.entry-body td,.entry-body th{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;line-height:1.7}.entry-body th{background:var(--tint);font-weight:700}.entry-body td:first-child{background:#fafcfd;font-weight:500;white-space:nowrap}.entry-body table p{margin:0}.mm-box{position:relative;margin:34px 0;padding:26px 22px 8px;border:2px solid #cfd8dc;border-radius:6px;background:#fff}.mm-box-title{position:absolute;top:-.8em;left:14px;margin:0;padding:0 10px;background:#fff;color:var(--main-dark);font-weight:700;line-height:1.6;font-size:15px}.mm-box-body>:last-child{margin-bottom:1.2em}.mm-toggle{margin:28px 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.mm-toggle>summary{cursor:pointer;padding:13px 18px;font-weight:700;color:var(--main-dark);list-style:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.mm-toggle>summary::-webkit-details-marker{display:none}.mm-toggle>summary:before{content:"＋";margin-right:8px}.mm-toggle[open]>summary:before{content:"−"}.mm-toggle-body{padding:0 18px 10px;border-top:1px solid var(--line)}.mm-toggle-body p{margin:1em 0;font-size:14px;line-height:1.9}.mm-card{display:flex;gap:16px;align-items:center;margin:0 0 1.7em;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.mm-card:hover{background:var(--tint);text-decoration:none}.mm-card-img{flex:0 0 100px}.mm-card-img img{width:100px;height:100px;object-fit:cover;border-radius:4px;margin:0;display:block}.mm-card-body{flex:1 1;min-width:0}.mm-card-title{font-weight:700;color:#1a86bd;margin-bottom:5px;line-height:1.6}.mm-card-excerpt{font-size:12.5px;color:var(--muted);line-height:1.7}.entry-body iframe{max-width:100%;border:1px solid var(--line);border-radius:4px}.toc{margin:0 0 36px;padding:20px 24px;background:#f7fcff;border:1px solid #d3edfb;border-radius:var(--radius)}.toc-title{margin:0 0 12px;font-weight:700;text-align:center;font-size:15px}.toc ol{margin:0;padding-left:1.5em}.toc li{margin-bottom:.45em;font-size:14.5px;line-height:1.7}.toc .lv3{margin-left:1.2em;font-size:13.5px;list-style:circle}.toc a{color:var(--text)}.related{margin-top:52px}.related-title{font-size:18px;margin:0 0 20px;padding-left:12px;border-left:5px solid var(--main);line-height:1.5}.related .post-card-list{grid-template-columns:repeat(3,1fr);gap:18px}.prev-next,.related .post-card-title{font-size:14px}.prev-next{display:flex;justify-content:space-between;gap:20px;margin-top:44px;line-height:1.7}.prev-next>span{flex:1 1}.prev-next>span:last-child{text-align:right}@media (max-width:959px){.post-card-list,.related .post-card-list{grid-template-columns:repeat(2,1fr)}}@media (max-width:599px){body{font-size:15px}.site-title{font-size:22px}.entry-title{font-size:21px}.entry-body{padding:20px 16px 28px}.entry-body h2{font-size:18px;padding:11px 14px;margin:36px 0 16px}.entry-body h3{font-size:17px}.post-card-list,.related .post-card-list{gap:14px}.post-card-body{padding:12px 12px 14px}.post-card-title{font-size:13.5px}.post-card-excerpt{display:none}.mm-card{gap:12px;padding:12px}.mm-card-img{flex:0 0 76px}.mm-card-img img{width:76px;height:76px}.prev-next{flex-direction:column;gap:12px}.prev-next>span:last-child{text-align:left}}