@import"https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}:root{--green: #1a3d2e;--green-deep: #122a20;--green-soft: #2f5544;--ink: #1a1814;--ink-60: rgba(26, 24, 20, .6);--ink-45: rgba(26, 24, 20, .45);--ink-28: rgba(26, 24, 20, .28);--washi: #f5f0e8;--washi-card: #faf6ee;--washi-deep: #ece5d8;--gold: #b07d3a;--gold-soft: #c79a5e;--line: rgba(26, 24, 20, .13);--line-strong: rgba(26, 24, 20, .22);--canvas: #e7e1d6;--serif: "Noto Serif JP", serif;--sans: "Noto Sans JP", sans-serif;--mono: "SFMono-Regular", "Menlo", monospace;--maxw: 1140px;--pad: clamp(20px, 5vw, 48px)}body{font-family:var(--sans);color:var(--ink);background:var(--washi);line-height:1.85;font-weight:400;background-image:radial-gradient(rgba(26,24,20,.018) 1px,transparent 1px),radial-gradient(rgba(26,24,20,.018) 1px,transparent 1px);background-size:22px 22px,22px 22px;background-position:0 0,11px 11px}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}header.site{position:sticky;top:0;z-index:50;background:#f5f0e8db;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}.brand{display:flex;align-items:center;gap:14px}.seal{width:42px;height:42px;display:grid;place-items:center;border:1.5px solid var(--green);color:var(--green);font-family:var(--serif);font-weight:600;font-size:24px;line-height:1;transition:background .25s ease,color .25s ease;flex-shrink:0}.brand:hover .seal{background:var(--green);color:var(--washi)}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-name{font-family:var(--serif);font-weight:600;font-size:23px;letter-spacing:.08em;color:var(--ink)}.brand-romaji{font-family:var(--mono);font-size:9.5px;letter-spacing:.34em;color:var(--ink-45);text-transform:uppercase;margin-top:3px}nav.main{display:flex;align-items:center;gap:clamp(20px,3vw,40px)}nav.main a{font-size:14px;font-weight:500;letter-spacing:.06em;color:var(--ink-60);position:relative;padding-bottom:4px;transition:color .2s ease}nav.main a:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}nav.main a:hover,nav.main a.is-active{color:var(--green)}nav.main a:hover:after,nav.main a.is-active:after{transform:scaleX(1)}nav.main .nav-en{font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--ink-28);display:block;margin-top:2px}.thumb{position:relative;overflow:hidden;background-color:var(--washi-deep);background-image:repeating-linear-gradient(45deg,rgba(26,24,20,.035) 0,rgba(26,24,20,.035) 1px,transparent 1px,transparent 9px)}.thumb[data-tone=green]{background-color:#e2e7e0}.thumb[data-tone=gold]{background-color:#efe6d3}.thumb[data-tone=ink]{background-color:#e6e2da}.thumb:after{content:attr(data-label);position:absolute;inset:0;display:grid;place-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink-28)}.card{background:var(--washi-card);border:1px solid var(--line);border-left:3px solid var(--green);display:flex;flex-direction:column;text-decoration:none;transition:transform .3s cubic-bezier(.2,.7,.3,1),border-left-color .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 16px 36px -22px #1a181459;border-left-color:var(--gold)}.card .thumb{aspect-ratio:3/2}.card-body{padding:18px 18px 22px;display:flex;flex-direction:column;flex:1}.badge{align-self:flex-start;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);border:1px solid var(--line-strong);padding:3px 9px;margin-bottom:13px}.badge[data-tone=gold]{color:var(--gold)}.card h4{font-family:var(--serif);font-weight:500;font-size:17px;line-height:1.6;letter-spacing:.01em;margin-bottom:auto;text-wrap:pretty;transition:color .2s ease}.card:hover h4{color:var(--green)}.card .date{font-family:var(--mono);font-size:11px;color:var(--ink-45);letter-spacing:.05em;margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px}.breadcrumb a{color:var(--ink-45);font-weight:400;letter-spacing:.03em;transition:color .2s ease}.breadcrumb a:hover{color:var(--green)}.breadcrumb .sep{color:var(--ink-28);font-size:13px}.breadcrumb .current{color:var(--ink);font-weight:500}.hbox{padding:26px 28px}.hbox-title{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.05em;display:flex;align-items:center;gap:12px;margin-bottom:18px}.hbox.point{background:var(--green);color:var(--washi)}.hbox.point .hbox-title{color:#fff}.hbox.point .htag{font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-soft);border:1px solid rgba(255,255,255,.25);padding:2px 8px}.checklist{list-style:none;display:flex;flex-direction:column;gap:13px}.checklist li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;line-height:1.7;color:#ffffffeb}.check{flex-shrink:0;width:18px;height:18px;margin-top:3px;position:relative;border:1px solid var(--gold-soft)}.check:after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border-right:2px solid var(--gold-soft);border-bottom:2px solid var(--gold-soft);transform:rotate(45deg)}.hbox.summary{background:var(--washi-card);border:1px solid var(--line);border-left:4px solid var(--gold)}.hbox.summary .hbox-title{color:var(--ink)}.sumlist{list-style:none;display:flex;flex-direction:column;gap:11px}.sumlist li{display:flex;gap:13px;align-items:flex-start;font-size:14px;line-height:1.8;color:var(--ink)}.sumlist li:before{content:"";flex-shrink:0;width:7px;height:7px;margin-top:9px;background:var(--gold)}.hbox.notice{background:#f4ead1;border:1px solid #e0cfa0;border-left:4px solid var(--gold);display:flex;gap:18px;align-items:flex-start}.notice-ico{flex-shrink:0;margin-top:2px}.notice-body .hbox-title{color:#6e4d18;margin-bottom:10px}.notice-body p{font-size:14px;line-height:1.85;color:#5e4716}.related-head{display:flex;align-items:baseline;gap:16px;margin-bottom:22px}.related-head .lab{font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:.06em;display:flex;align-items:center;gap:12px}.related-head .lab:before{content:"";width:22px;height:1px;background:var(--gold)}.related-head .en{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--ink-45);text-transform:uppercase}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.author-box{display:flex;gap:22px;align-items:flex-start;background:var(--washi-card);border:1px solid var(--line);border-left:3px solid var(--green);padding:26px 28px}.author-avatar{flex-shrink:0;width:64px;height:64px;border-radius:50%;background:var(--green);color:var(--washi);display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:26px}.author-info .nm{font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.04em;display:flex;align-items:baseline;gap:10px}.author-info .nm small{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--ink-45);font-weight:400}.author-info .role{font-size:12px;color:var(--gold);letter-spacing:.06em;margin-top:3px}.author-info p{font-size:13.5px;color:var(--ink-60);line-height:1.9;margin-top:12px;max-width:44em}.share-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.share-row .lab{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45)}.share-btn{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);background:var(--washi-card);color:var(--ink);cursor:pointer;transition:all .22s ease}.share-btn:hover{transform:translateY(-3px)}.share-btn.x,.share-btn.line{background:var(--green);color:var(--washi);border-color:var(--green)}.share-btn.x:hover,.share-btn.line:hover{background:var(--gold);border-color:var(--gold)}.share-btn.copy:hover{background:var(--green);color:var(--washi);border-color:var(--green)}.share-btn svg{width:19px;height:19px}.tagcloud{display:flex;flex-wrap:wrap;gap:10px}.tagcloud a{display:inline-block;font-family:var(--sans);font-weight:500;color:var(--ink-60);border:1px solid var(--line-strong);padding:5px 13px;text-decoration:none;transition:all .2s ease;font-size:13px}.tagcloud a:hover{border-color:var(--green);color:var(--green)}.tagcloud a.active{background:var(--green);color:var(--washi);border-color:var(--green)}.tagcloud a[data-size=xl]{font-size:16px;font-weight:700;color:var(--green)}.tagcloud a[data-size=l]{font-size:15px;font-weight:600;color:var(--green-soft)}.tagcloud a[data-size=m]{font-size:13.5px}.tagcloud a[data-size=s]{font-size:12px;color:var(--ink-45)}.tagcloud a[data-color=gold]{color:var(--gold);border-color:var(--gold-soft)}.tagcloud a[data-color=gold]:hover{background:var(--gold);color:var(--washi);border-color:var(--gold)}#backToTop{position:fixed;right:24px;bottom:32px;z-index:100;width:48px;height:48px;border-radius:50%;background:var(--green);color:var(--washi);border:none;cursor:pointer;display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .3s ease,transform .3s ease,background .22s ease;transition:opacity .3s ease,transform .3s ease,background .22s ease,visibility 0s linear .3s}#backToTop.show{opacity:1;visibility:visible;transition:opacity .3s ease,transform .3s ease,background .22s ease,visibility 0s linear 0s}#backToTop:hover{background:var(--gold);transform:translateY(-3px)}#backToTop svg{width:18px;height:18px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line-strong);padding-bottom:18px;margin-bottom:36px}.section-head .titles{display:flex;align-items:baseline;gap:18px}.section-head h3{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.4vw,32px);letter-spacing:.06em;color:var(--ink)}.section-head .en{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--ink-45);text-transform:uppercase}.view-all{font-size:13px;font-weight:500;color:var(--green);letter-spacing:.05em;white-space:nowrap;transition:gap .2s ease;display:inline-flex;gap:6px;align-items:center}.view-all:hover{color:var(--gold)}.view-all .arr{transition:transform .25s ease}.view-all:hover .arr{transform:translate(4px)}.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}.filters button{font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--ink-60);background:transparent;border:1px solid var(--line-strong);padding:8px 18px;cursor:pointer;white-space:nowrap;transition:all .2s ease}.filters button:hover{border-color:var(--green);color:var(--green)}.filters button.active{background:var(--green);color:var(--washi);border-color:var(--green)}.card.is-hidden{display:none}@keyframes cardIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.card.is-anim{animation:cardIn .4s ease both}.search-page{padding-top:clamp(28px,5vw,56px)}.search-panel{margin-top:34px;background:var(--washi-card);border:1px solid var(--line);border-left:3px solid var(--green);padding:clamp(22px,4vw,36px)}.search-panel #search{--pagefind-ui-primary: var(--green);--pagefind-ui-text: var(--ink);--pagefind-ui-background: var(--washi-card);--pagefind-ui-border: var(--line-strong);--pagefind-ui-border-width: 1px;--pagefind-ui-border-radius: 0;--pagefind-ui-font: var(--sans)}.hero{display:block;line-height:0}.hero picture,.hero img{display:block;width:100%;height:auto}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,32px)}footer.site{margin-top:clamp(64px,9vw,112px);border-top:1px solid var(--line-strong);background:var(--washi)}.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-top:56px;padding-bottom:48px}.footer-brand .seal{margin-bottom:18px}.footer-brand .fname{font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:.08em}.footer-brand p{margin-top:14px;font-size:13px;line-height:2;color:var(--ink-60);max-width:26em;font-weight:300}.fcol h5{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-45);margin-bottom:18px}.fcol ul{list-style:none;display:flex;flex-direction:column;gap:12px}.fcol a{font-size:13px;color:var(--ink-60);font-weight:400;transition:color .2s ease}.fcol a:hover{color:var(--green)}.footer-bottom{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 30px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ink-45);flex-wrap:wrap}.pagination{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 10px;font-family:var(--mono);font-size:14px;letter-spacing:.05em;color:var(--ink-60);border:1px solid var(--line-strong);text-decoration:none;transition:all .2s ease;white-space:nowrap}.pagination a:hover{border-color:var(--green);color:var(--green)}.pagination a[aria-current=page],.pagination .cur{background:var(--green);color:var(--washi);border-color:var(--green)}.pagination .disabled{opacity:.4;pointer-events:none}.pagination .dots{border:none;color:var(--ink-45)}@media(max-width:880px){.grid{grid-template-columns:repeat(2,1fr)}.related-grid,.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}}@media(max-width:560px){.header-inner{height:64px}.brand-name{font-size:20px}nav.main{gap:18px}nav.main .nav-en{display:none}.grid,.related-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr;gap:30px}.section-head{flex-direction:column;align-items:flex-start;gap:12px}}.crumb-strip{border-bottom:1px solid var(--line)}.crumb-strip .wrap{padding-block:16px}.eyecatch{width:100%;aspect-ratio:21/8;max-height:520px}.eyecatch img{width:100%;height:100%;object-fit:cover}.article-head{padding-top:clamp(36px,5vw,60px)}.article-head .top-badge{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);border:1px solid var(--line-strong);padding:4px 12px;margin-bottom:22px}.article-head h1{font-family:var(--serif);font-weight:600;font-size:clamp(30px,4.6vw,52px);line-height:1.42;letter-spacing:.02em;text-wrap:balance;max-width:18em}.article-meta{display:flex;align-items:center;gap:18px;margin-top:28px;padding-bottom:clamp(30px,4vw,44px);border-bottom:1px solid var(--line);flex-wrap:wrap}.article-meta .by{display:flex;align-items:center;gap:12px}.article-meta .by .av{width:40px;height:40px;border-radius:50%;background:var(--green);color:var(--washi);display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:17px}.article-meta .by .nm{font-size:14px;font-weight:500;letter-spacing:.03em}.article-meta .by .nm small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--ink-45);margin-top:2px}.article-meta .pipe{width:1px;height:30px;background:var(--line-strong)}.article-meta .mblock{display:flex;flex-direction:column;gap:2px}.article-meta .mblock .k{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45)}.article-meta .mblock .v{font-size:13.5px;color:var(--ink);font-weight:500}.article-layout{display:grid;grid-template-columns:240px 1fr;gap:clamp(36px,5vw,72px);padding-top:clamp(40px,5vw,60px);align-items:start}.toc{position:sticky;top:100px;background:var(--washi-card);border:1px solid var(--line);border-left:3px solid var(--green)}.toc-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);cursor:pointer;user-select:none}.toc-head .t{font-family:var(--serif);font-weight:600;font-size:16px;letter-spacing:.08em;display:flex;align-items:center;gap:10px}.toc-head .t small{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--ink-45);text-transform:uppercase;font-weight:400}.toc-chevron{width:9px;height:9px;border-right:1.5px solid var(--ink-60);border-bottom:1.5px solid var(--ink-60);transform:rotate(45deg);transition:transform .3s ease;flex-shrink:0}.toc.collapsed .toc-chevron{transform:rotate(-135deg)}.toc-list{list-style:none;padding:10px 0;max-height:600px;overflow:hidden;transition:max-height .35s ease,opacity .3s ease,padding .35s ease}.toc.collapsed .toc-list{max-height:0;padding:0;opacity:0}.toc-list li a{display:flex;gap:12px;align-items:baseline;padding:8px 18px;font-size:13.5px;color:var(--ink-60);line-height:1.55;border-left:2px solid transparent;margin-left:-1px;transition:all .2s ease;text-decoration:none}.toc-list li.lv3 a{padding-left:36px;font-size:12.5px}.toc-list li a .no{font-family:var(--mono);font-size:11px;color:var(--gold);flex-shrink:0}.toc-list li a:hover{color:var(--green)}.toc-list li a.active{color:var(--green);font-weight:600;background:#1a3d2e12;border-left-color:var(--green)}.toc-list li a.active .no{color:var(--green)}.article-body{max-width:720px}.article-body>.hbox{margin:0 0 38px}.article-body h2{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3vw,30px);line-height:1.5;letter-spacing:.02em;margin:52px 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line);scroll-margin-top:100px}.article-body h3{font-family:var(--serif);font-weight:500;font-size:20px;line-height:1.55;margin:36px 0 12px;color:var(--green-soft);scroll-margin-top:100px}.article-body p{font-size:16px;line-height:2.1;color:var(--ink);margin-bottom:22px}.article-body p .em{color:var(--green);font-weight:600}.article-body .lead{font-size:17px;color:var(--ink-60);line-height:2.1}.article-body .inline-fig{margin:32px 0}.article-body .inline-fig .thumb{aspect-ratio:16/9}.article-body .inline-fig figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:var(--ink-45);margin-top:10px;text-align:center}.article-body ul,.article-body ol{padding-left:1.5em;margin-bottom:22px}.article-body li{font-size:16px;line-height:2;color:var(--ink)}.article-body strong{font-weight:600;color:var(--ink)}.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:.2em}.article-body .cta{border:1.5px solid var(--green);background:var(--washi-card);padding:28px 30px;margin:40px 0;position:relative}.article-body .cta .pr{position:absolute;top:14px;right:16px;font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--ink-45);border:1px solid var(--line-strong);padding:2px 8px}.article-body .cta h4{font-family:var(--serif);font-weight:600;font-size:19px;line-height:1.5}.article-body .cta p{font-size:14px;color:var(--ink-60);line-height:1.9;margin:10px 0 18px}.cta-btn{display:inline-flex;align-items:center;gap:10px;background:var(--green);color:var(--washi);font-family:var(--sans);font-size:15px;font-weight:500;letter-spacing:.05em;padding:13px 28px;border:none;cursor:pointer;transition:background .22s ease,transform .22s ease;text-decoration:none}.cta-btn:hover{background:var(--gold);transform:translateY(-2px)}.cta-note{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-45);margin-left:14px}.share-block{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}.author-section{padding-top:clamp(48px,6vw,72px)}.related-section{padding-top:clamp(48px,6vw,72px);padding-bottom:clamp(48px,6vw,72px)}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}.article-tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;padding:4px 12px;border:1px solid var(--line-strong);color:var(--ink-60);transition:all .2s ease;text-decoration:none}.article-tag:hover{border-color:var(--green);color:var(--green)}.stale-warning{padding:14px 18px;background:#fff8e1;border:1px solid #ffe082;border-left:3px solid #ffc107;font-size:14px;color:#6d4c00;margin-bottom:24px}.affiliate-disclosure{padding:14px 18px;background:var(--washi-card);border:1px solid var(--line);border-left:3px solid var(--gold-soft);font-size:13px;color:var(--ink-60);margin-bottom:24px}.index-hero{padding:clamp(40px,6vw,72px) 0 clamp(28px,4vw,48px)}.index-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(28px,4vw,40px);letter-spacing:.06em;color:var(--ink);margin-bottom:14px}.index-hero p{font-size:15px;color:var(--ink-60);line-height:1.9;max-width:36em}.tag-filter-area{margin-bottom:40px}.tag-filter-area h2{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-45);margin-bottom:16px}@media(max-width:880px){.article-layout{grid-template-columns:1fr}.toc{position:static;margin-bottom:8px}}@media(max-width:560px){.article-head h1{font-size:clamp(26px,7vw,38px)}}