:root{--bg:#f3fbfd;--bg-tint:#e6f7fb;--surface:#fff;--sidebar-bg:#fff;--text:#143037;--text-muted:#5b7780;--accent:#06b6d4;--accent-deep:#0891b2;--accent-soft:#cdf1f7;--warm:#ffb86b;--border:#d6eef3;--ring:#06b6d429;--radius:18px;--radius-sm:12px;--sidebar-w:270px;--shadow:0 14px 40px -18px #06647847;--shadow-soft:0 6px 22px -12px #06647838;--font:"Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Quicksand", -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);font-family:var(--font);letter-spacing:.01em;-webkit-font-smoothing:antialiased;background-color:var(--bg);background-image:radial-gradient(680px 420px at 100% -8%, var(--bg-tint) 0%, transparent 62%), radial-gradient(var(--ring) 1.4px, transparent 1.6px);background-size:auto,26px 26px;margin:0;line-height:1.9;overflow-x:hidden}a{color:var(--accent-deep);text-decoration:none}a:hover{color:var(--accent)}img{max-width:100%;height:auto}.layout{grid-template-columns:var(--sidebar-w) minmax(0, 1fr);align-items:start;display:grid}.content{flex-direction:column;min-width:0;min-height:100vh;display:flex}.main{flex:1;width:100%;max-width:980px;margin:0 auto;padding:40px 40px 64px}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border);height:100vh;box-shadow:var(--shadow-soft);align-self:start;padding:22px 18px 32px;position:sticky;top:0;overflow-y:auto}.sidebar-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.brand{color:var(--text);align-items:center;gap:11px;min-width:0;font-size:1.06rem;font-weight:700;line-height:1.35;display:flex}.brand-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.brand .mark{background:radial-gradient(circle at 32% 30%, #fff 0 18%, transparent 19%), conic-gradient(from 210deg, var(--accent), #34d3c4, var(--warm), var(--accent));width:30px;height:30px;box-shadow:0 0 0 4px var(--accent-soft);border-radius:50%;flex:none;position:relative}.brand .mark:after{content:"";background:var(--surface);border-radius:50%;position:absolute;inset:9px}.hamburger{display:none}.sidebar-nav{flex-direction:column;gap:24px;margin-top:26px;display:flex}.nav-block{flex-direction:column;display:flex}.nav-label{letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);margin:0 0 8px;padding:0 8px;font-size:.72rem;font-weight:700}.nav-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.nav-list a{border-radius:var(--radius-sm);color:var(--text);align-items:center;gap:10px;padding:8px 10px;font-size:.94rem;transition:background .15s,color .15s;display:flex}.nav-list a:hover{background:var(--accent-soft);color:var(--accent-deep)}.nav-list .ico{background:var(--bg-tint);width:22px;height:22px;color:var(--accent-deep);border-radius:7px;flex:none;justify-content:center;align-items:center;font-size:.82rem;font-weight:700;display:inline-flex}.cat-list a{justify-content:space-between;padding:7px 10px;font-size:.9rem}.cat-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.cat-count{color:var(--accent-deep);background:var(--bg-tint);border-radius:999px;flex:none;margin-left:8px;padding:1px 9px;font-size:.74rem;font-weight:700}.recent-list a{color:var(--text-muted);text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;padding:7px 10px;font-size:.86rem;line-height:1.45;display:-webkit-box;overflow:hidden}.recent-list a:hover{color:var(--accent-deep);background:var(--accent-soft)}.side-cta{border-radius:var(--radius);border:1px solid var(--accent-soft);background:linear-gradient(135deg,#ecfbfd 0%,#fff4e6 100%);align-items:center;gap:12px;padding:14px;display:flex}.side-cta:hover{box-shadow:var(--shadow-soft)}.side-cta-mark{flex:none;font-size:1.4rem}.side-cta-body{flex-direction:column;line-height:1.4;display:flex}.side-cta-body strong{color:var(--text);font-size:.98rem}.side-cta-body small{color:var(--text-muted);font-size:.76rem}.page-head{border:1px solid var(--accent-soft);border-radius:var(--radius);background:linear-gradient(135deg,#ecfbfd 0%,#fff4e6 100%);margin-bottom:32px;padding:34px 30px;position:relative;overflow:hidden}.page-head:after{content:"";border:2px dashed var(--accent-soft);border-radius:50%;width:200px;height:200px;position:absolute;top:-80px;right:-60px}.page-head .badge{color:var(--accent-deep);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-soft);border-radius:999px;align-items:center;gap:8px;margin-bottom:16px;padding:6px 14px;font-size:.8rem;font-weight:700;display:inline-flex}.page-head .badge:before{content:"";background:var(--accent);width:9px;height:9px;box-shadow:0 0 0 4px var(--ring);border-radius:50%}.page-head h1{margin:0 0 12px;font-size:clamp(1.6rem,3.6vw,2.3rem);font-weight:700;line-height:1.4;position:relative}.page-head p{color:var(--text-muted);max-width:44em;margin:0;position:relative}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:8px 26px 18px}.panel-head{border-bottom:2px solid var(--border);justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:4px;padding:18px 4px 16px;display:flex}.panel-head h1,.panel-head h2{align-items:center;gap:11px;margin:0;font-size:1.4rem;font-weight:700;display:flex}.panel-head h1:before,.panel-head h2:before{content:"";background:radial-gradient(circle at 50% 50%, transparent 0 30%, var(--accent) 31% 52%, transparent 53%), radial-gradient(circle at 50% 50%, transparent 0 64%, var(--accent-soft) 65%);border-radius:50%;flex:none;width:22px;height:22px}.panel-count{color:var(--text-muted);flex:none;font-size:.82rem;font-weight:700}.post-list{flex-direction:column;display:flex}.post-row{border-bottom:1px dashed var(--border);padding:20px 4px;transition:background .15s}.post-row:last-child{border-bottom:none}.post-row:hover{background:var(--bg-tint)}.post-row-title{margin:0 0 6px;font-size:1.14rem;font-weight:700;line-height:1.5}.post-row-title a{color:var(--text)}.post-row-title a:hover{color:var(--accent-deep)}.post-row-desc{color:var(--text-muted);margin:0 0 12px;font-size:.94rem}.post-row-foot{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;display:flex}.post-row-foot .dot{color:var(--border)}.post-row-tags{flex-wrap:wrap;gap:6px;display:inline-flex}.tag{background:var(--bg-tint);border:1px solid var(--border);color:var(--accent-deep);border-radius:999px;padding:3px 11px;font-size:.76rem;font-weight:600;display:inline-block}a.tag:hover{background:var(--accent-soft);color:var(--accent-deep)}.cat-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin:16px 0 8px;padding:0;list-style:none;display:grid}.cat-grid a{border-radius:var(--radius-sm);background:var(--bg-tint);border:1px solid var(--border);color:var(--text);justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;transition:transform .15s,border-color .15s,background .15s;display:flex}.cat-grid a:hover{border-color:var(--accent-soft);background:var(--accent-soft);transform:translateY(-2px)}.cat-grid .cat-count{background:var(--surface)}.article-panel{padding:30px 36px 56px}.article-panel h1{margin:0 0 16px;font-size:clamp(1.5rem,3.6vw,2.2rem);font-weight:700;line-height:1.45}.article .article-meta{color:var(--text-muted);border-bottom:1px dashed var(--border);margin-bottom:28px;padding-bottom:16px;font-size:.9rem}.prose{font-size:1.04rem}.prose h2{margin-top:2.1em;margin-bottom:.7em;padding-left:16px;font-size:1.4rem;font-weight:700;line-height:1.5;position:relative}.prose h2:before{content:"";background:linear-gradient(180deg, var(--accent), var(--warm));border-radius:999px;width:6px;position:absolute;top:.15em;bottom:.15em;left:0}.prose h3{color:var(--accent-deep);margin-top:1.7em;font-size:1.16rem;font-weight:700}.prose p{margin:1.1em 0}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:.5em 0}.prose ul li::marker{color:var(--accent)}.prose a{text-decoration:underline;text-decoration-color:var(--accent-soft);text-underline-offset:3px}.prose blockquote{border-left:4px solid var(--accent);color:var(--text-muted);background:var(--bg-tint);border-radius:0 12px 12px 0;margin:1.4em 0;padding:.6em 1.1em}.prose code{background:var(--bg-tint);color:var(--accent-deep);border-radius:6px;padding:.16em .45em;font-size:.9em}.prose pre{color:#e6fbff;background:#0c2329;border-radius:14px;padding:18px;overflow-x:auto}.prose pre code{color:inherit;background:0 0}.prose table{border-collapse:collapse;width:100%;box-shadow:0 0 0 1px var(--border);border-radius:12px;margin:1.6em 0;font-size:.94rem;overflow:hidden}.prose th,.prose td{border-bottom:1px solid var(--border);text-align:left;padding:12px 14px}.prose th{background:var(--bg-tint);font-weight:700}.prose tr:last-child td{border-bottom:none}.prose img{border:1px solid var(--border);border-radius:14px}.breadcrumb{color:var(--text-muted);margin:0 0 16px;font-size:.82rem}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--accent-deep)}.cta{border-radius:var(--radius);border:1px solid var(--accent-soft);background:linear-gradient(135deg,#ecfbfd 0%,#fff4e6 100%);margin:44px 0 8px;padding:28px 26px;position:relative;overflow:hidden}.cta:after{content:"";border:2px dashed var(--accent-soft);border-radius:50%;width:160px;height:160px;position:absolute;top:-60px;right:-50px}.cta h3{margin:0 0 10px;font-size:1.18rem;font-weight:700;position:relative}.cta p{color:var(--text-muted);margin:0 0 18px;position:relative}.btn{color:#fff;background:linear-gradient(135deg, var(--accent), var(--accent-deep));border-radius:999px;align-items:center;gap:8px;padding:12px 26px;font-weight:700;transition:transform .15s,box-shadow .15s;display:inline-flex;position:relative;box-shadow:0 10px 24px -10px #0691b2b3}.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -10px #0691b2cc}.btn:after{content:"→";font-weight:700}.site-footer{border-top:1px solid var(--border);color:var(--text-muted);background:#fff9;margin-top:auto;padding:28px 40px;font-size:.86rem}.site-footer .inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;max-width:980px;margin:0 auto;display:flex}.site-footer a{color:var(--text-muted)}.site-footer a:hover{color:var(--accent-deep)}@media (width>=769px) and (width<=1024px){.layout{--sidebar-w:216px}.main{padding:32px 28px 56px}.page-head{padding:30px 26px}.article-panel{padding:28px 28px 52px}}@media (width<=768px){.layout{grid-template-columns:1fr}.sidebar{z-index:30;border-right:none;border-bottom:1px solid var(--border);backdrop-filter:blur(10px)saturate(140%);background:#ffffffeb;height:auto;max-height:100vh;padding:12px 18px;position:sticky;top:0;overflow-y:auto}.hamburger{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:12px;flex-direction:column;flex:none;justify-content:center;gap:5px;width:42px;height:42px;padding:9px 10px;display:inline-flex}.hamburger span{background:var(--accent-deep);border-radius:2px;height:2px;transition:transform .2s,opacity .2s;display:block}.sidebar-nav{opacity:0;max-height:0;margin-top:0;transition:max-height .25s,opacity .2s,margin-top .2s;overflow:hidden}.nav-toggle:checked~.sidebar-nav{opacity:1;border-top:1px dashed var(--border);max-height:80vh;margin-top:16px;padding-top:14px;overflow-y:auto}.nav-toggle:checked~.sidebar-top .hamburger span:first-child{transform:translateY(7px)rotate(45deg)}.nav-toggle:checked~.sidebar-top .hamburger span:nth-child(2){opacity:0}.nav-toggle:checked~.sidebar-top .hamburger span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.main{padding:24px 18px 48px}.page-head{padding:26px 22px}.panel{padding:4px 16px 14px}.article-panel{padding:24px 20px 44px}.site-footer{padding:24px 18px}.site-footer .inner{flex-direction:column;align-items:flex-start;gap:8px}.cat-grid{grid-template-columns:1fr 1fr}}@media (width<=480px){.cat-grid{grid-template-columns:1fr}}@media (width<=430px){.sidebar-top{flex-wrap:nowrap;gap:8px}.brand{flex:auto;min-width:0;font-size:clamp(.95rem,4.35897vw,1.12rem)}.brand .mark{width:clamp(24px,7.17949vw,30px);height:clamp(24px,7.17949vw,30px)}.brand-name{white-space:nowrap}.hamburger{flex:none}.main{padding:clamp(14px,4.61538vw,22px) clamp(12px,4.10256vw,18px) 44px}.page-head{padding:clamp(18px,6.15385vw,26px) clamp(14px,5.12821vw,22px)}.page-head h1{font-size:clamp(1.4rem,6.66667vw,1.9rem)}.page-head p{font-size:clamp(.9rem,3.84615vw,1rem)}.panel{padding:4px clamp(12px,4.10256vw,16px) 14px}.panel-head h1,.panel-head h2{font-size:clamp(1.15rem,5.38462vw,1.4rem)}.post-row-title{font-size:clamp(1.02rem,4.61538vw,1.14rem)}.post-row-desc{font-size:clamp(.86rem,3.71795vw,.94rem)}.article-panel{padding:clamp(16px,5.12821vw,24px) clamp(14px,4.61538vw,20px) 40px}.article-panel h1{font-size:clamp(1.35rem,6.15385vw,1.9rem)}.prose{font-size:clamp(.98rem,4.23077vw,1.05rem)}.prose h2{font-size:clamp(1.2rem,5.38462vw,1.4rem)}.prose h3{font-size:clamp(1.06rem,4.61538vw,1.16rem)}.prose table{-webkit-overflow-scrolling:touch;width:100%;display:block;overflow-x:auto}}