.page-title{font-family:var(--font-display);letter-spacing:-.035em;text-wrap:balance;margin:.8rem 0 1.1rem;font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;line-height:1.04}.page-title .accent{color:var(--pop-green)}.page-lead{color:var(--muted-foreground);max-width:52ch;font-size:1.2rem;line-height:1.55}.col-title{font-family:var(--font-display);letter-spacing:-.02em;margin:.4rem 0 1.2rem;font-size:clamp(1.5rem,3vw,2rem);font-weight:800}.about-hero{grid-template-columns:1fr;align-items:center;gap:3rem;display:grid}.about-card{background:var(--surface);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow-lg);padding:1.6rem;transform:none}.about-card__av{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);background:var(--pop-green);color:#08130c;width:88px;height:88px;font-family:var(--font-display);box-shadow:var(--shadow-sm);place-items:center;margin-bottom:1.2rem;font-size:38px;font-weight:800;display:grid;transform:rotate(-3deg)}.about-card__rows{flex-direction:column;gap:.1rem;display:flex}.kv{border-bottom:2px dotted var(--border-color);font-family:var(--font-mono);justify-content:space-between;align-items:center;gap:1rem;padding:.6rem 0;font-size:13px;line-height:1.3;display:flex}.kv:last-child{border-bottom:none}.kv span{color:var(--muted-foreground);flex:none}.kv b{color:var(--foreground);text-align:right;font-weight:700}@media (width>=720px){.about-hero{grid-template-columns:1.2fr .8fr}.about-card{transform:rotate(1.5deg)}}.cb-banner{background:var(--pop-yellow);color:#111;border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow-lg);grid-template-columns:auto 1fr;align-items:center;gap:1.6rem;padding:clamp(1.4rem,3vw,2rem);display:grid}.cb-banner .nb-btn{grid-column:1/-1}.cb-banner__mark{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);width:72px;height:72px;box-shadow:var(--shadow-sm);background:#fff;flex:none;place-items:center;font-size:38px;display:grid;transform:rotate(-3deg)}.cb-banner h2{font-family:var(--font-display);letter-spacing:-.02em;margin:.2rem 0 .4rem;font-size:clamp(1.4rem,3vw,2rem);font-weight:800}.cb-banner p{color:#1c1c1c;max-width:60ch;margin:0;font-weight:500}.cb-banner .kicker{color:#111}.cb-banner .kicker:before{color:#555}@media (width>=880px){.cb-banner{grid-template-columns:auto 1fr auto}.cb-banner .nb-btn{grid-column:auto}}.topic-grid{grid-template-columns:1fr;gap:1.4rem;display:grid}.topic-card{background:var(--surface);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow);color:inherit;transition:transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);flex-direction:column;gap:.5rem;padding:1.4rem;text-decoration:none;display:flex}.topic-card:hover{box-shadow:var(--shadow-lg);transform:translate(-3px,-3px)}.topic-card__glyph{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);width:52px;height:52px;font-family:var(--font-mono);box-shadow:var(--shadow-sm);place-items:center;margin-bottom:.4rem;font-size:24px;font-weight:700;display:grid}.topic-card h3{font-family:var(--font-display);margin:0;font-size:1.25rem;font-weight:800}.topic-card p{color:var(--muted-foreground);flex:1;margin:0;font-size:.95rem}.topic-card__count{font-family:var(--font-mono);color:var(--pop-green);margin-top:.4rem;font-size:12px;font-weight:700}@media (width>=560px){.topic-grid{grid-template-columns:1fr 1fr}}@media (width>=880px){.topic-grid{grid-template-columns:repeat(3,1fr)}}.two-col{grid-template-columns:1fr;gap:2rem;display:grid}@media (width>=720px){.two-col{grid-template-columns:1fr 1fr;gap:3rem}}.now-list{flex-direction:column;gap:.9rem;margin:0;padding:0;list-style:none;display:flex}.now-list li{padding-left:1.4rem;line-height:1.5;position:relative}.now-list li:before{content:"▹";color:var(--pop-green);font-weight:700;position:absolute;left:0}.now-list b{font-weight:800}.timeline{border-left:var(--border-width) solid var(--border-color);margin:0;padding:0;list-style:none}.timeline li{gap:1rem;padding:0 0 1.3rem 1.4rem;display:flex;position:relative}.timeline li:before{content:"";background:var(--main);border:var(--border-width-sm) solid var(--border-color);border-radius:50%;width:15px;height:15px;position:absolute;top:4px;left:-9px}.t-year{font-family:var(--font-mono);color:var(--pop-green);flex:none;width:3rem;font-weight:700}.t-txt{line-height:1.45}.term-cta{font-family:var(--font-mono)}.term-cta .nb-terminal__body{line-height:1.9}.term-cta .out{color:var(--muted-foreground);display:block}.contact-layout{grid-template-columns:1fr;align-items:start;gap:2.5rem;display:grid}@media (width>=880px){.contact-layout{grid-template-columns:1.2fr .8fr}}.contact-form{background:var(--surface);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow-lg);padding:clamp(1.4rem,3vw,2rem)}.form-grid{grid-template-columns:1fr;gap:1.1rem;display:grid}.form-grid .full{grid-column:1/-1}@media (width>=560px){.form-grid{grid-template-columns:1fr 1fr}}.contact-form .nb-textarea{resize:vertical;width:100%;min-height:140px}.contact-form .nb-input{width:100%}.form-foot{flex-wrap:wrap;align-items:center;gap:1rem;margin-top:1.3rem;display:flex}.form-note{font-family:var(--font-mono);color:var(--muted-foreground);font-size:12px}.form-success{text-align:center;padding:2.5rem 1rem;display:none}.form-success.show{display:block}.form-success__icon{background:var(--pop-green);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);width:64px;height:64px;box-shadow:var(--shadow);place-items:center;margin:0 auto 1rem;display:grid;transform:rotate(-3deg)}.form-success__icon svg{color:#08130c;width:34px;height:34px}.form-success h3{font-family:var(--font-display);margin:0 0 .4rem;font-size:1.6rem;font-weight:800}.form-success p{color:var(--muted-foreground);max-width:36ch;margin:0 auto}.contact-side{flex-direction:column;gap:1.1rem;display:flex}.cert-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1.2rem;margin-bottom:1.2rem;display:flex}.cert-head h2{font-family:var(--font-display);letter-spacing:-.02em;margin:.3rem 0 0;font-size:clamp(1.5rem,3vw,2rem);font-weight:800}.cert-tabs{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow);background:var(--surface);flex-wrap:wrap;margin-bottom:1.6rem;display:inline-flex;overflow:hidden}.cert-tab{font-family:var(--font-body);color:var(--foreground);border:none;border-right:var(--border-width-sm) solid var(--border-color);cursor:pointer;transition:background var(--dur-base);background:0 0;align-items:center;gap:.5ch;padding:.6em 1.1em;font-size:15px;font-weight:700;display:inline-flex}.cert-tab:last-child{border-right:none}.cert-tab[data-active=true]{background:var(--main);color:var(--main-foreground)}.cert-tab .n{font-family:var(--font-mono);opacity:.65;font-size:12px;font-weight:700}.cert-grid{grid-template-columns:1fr;gap:.9rem;display:grid}@media (width>=720px){.cert-grid{grid-template-columns:repeat(2,1fr)}}.cert-item{background:var(--surface);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow-sm);color:inherit;transition:transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);align-items:center;gap:1rem;padding:.9rem 1.1rem;text-decoration:none;display:flex}.cert-item:hover{box-shadow:var(--shadow);transform:translate(-3px,-3px)}.cert-item:focus-visible{outline:var(--border-width) solid var(--ring);outline-offset:3px}.cert-chip{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-sm);width:48px;height:48px;box-shadow:var(--shadow-sm);font-family:var(--font-mono);color:#111;flex:none;place-items:center;font-size:14px;font-weight:700;display:grid}.cert-item__body{flex:1;min-width:0}.cert-item__name{font-family:var(--font-display);font-size:1.02rem;font-weight:700;line-height:1.2;display:block}.cert-item__meta{font-family:var(--font-mono);color:var(--muted-foreground);margin-top:3px;font-size:11.5px;font-weight:600;display:block}.cert-item__verify{white-space:nowrap}.cert-item:hover .cert-item__verify{color:var(--main)}.cert-item__verify svg{vertical-align:-1px;width:11px;height:11px}.cert-item[data-p=AWS] .cert-chip{background:var(--pop-yellow)}.cert-item[data-p=GCP] .cert-chip{background:var(--pop-blue);color:#fff}.cert-item[data-p=Azure] .cert-chip{background:var(--pop-teal)}.cert-item[data-p=Other] .cert-chip{background:var(--pop-purple)}.cert-empty{text-align:center;border:var(--border-width-sm) dashed var(--border-color);border-radius:var(--radius-base);color:var(--muted-foreground);padding:2.6rem 1rem}.cert-empty__mark{font-family:var(--font-mono);color:var(--foreground);margin-bottom:.6rem;font-size:1.4rem;font-weight:700;display:block}.cert-empty p{font-family:var(--font-mono);margin:0;font-size:13px}.cert-foot{flex-wrap:wrap;align-items:center;gap:1rem;margin-top:1.6rem;display:flex}.cert-foot p{font-family:var(--font-mono);color:var(--muted-foreground);margin:0;font-size:12px}.cert-foot .nb-btn{justify-content:center;width:100%;margin-left:0}@media (width>=560px){.cert-foot .nb-btn{width:auto;margin-left:auto}}.contact-method{background:var(--surface);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow);color:inherit;transition:transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);align-items:center;gap:1rem;padding:1.1rem 1.2rem;text-decoration:none;display:flex}.contact-method:hover{box-shadow:var(--shadow-lg);transform:translate(-3px,-3px)}.contact-method__icon{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);width:46px;height:46px;box-shadow:var(--shadow-sm);flex:none;place-items:center;display:grid}.contact-method__icon svg{width:22px;height:22px}.contact-method b{font-family:var(--font-display);font-size:1.05rem;font-weight:800;display:block}.contact-method span{font-family:var(--font-mono);color:var(--muted-foreground);font-size:12.5px}.rss-hero{grid-template-columns:auto 1fr;align-items:center;gap:1.6rem;margin-bottom:2rem;display:grid}.rss-hero__mark{background:var(--pop-yellow);color:#111;border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);width:84px;height:84px;box-shadow:var(--shadow-lg);flex:none;place-items:center;display:grid;transform:rotate(-3deg)}.rss-hero__mark svg{width:44px;height:44px}.rss-url{align-items:stretch;gap:.7rem;max-width:620px;margin:1.4rem 0 .6rem;display:flex}.rss-url input{font-family:var(--font-mono);background:var(--surface);color:var(--foreground);border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow-sm);flex:1;padding:.7rem .9rem;font-size:14px}.rss-readers{flex-wrap:wrap;gap:.6rem;margin-top:1.4rem;display:flex}.rss-reader{font-family:var(--font-mono);background:var(--surface-muted);border:var(--border-width-sm) solid var(--border-color);border-radius:var(--radius-pill);padding:.4em .8em;font-size:13px;font-weight:600}.feed-preview{border:var(--border-width) solid var(--border-color);border-radius:var(--radius-base);box-shadow:var(--shadow-lg);background:var(--surface);margin-top:1rem;overflow:hidden}.feed-preview__bar{background:var(--surface-muted);border-bottom:var(--border-width) solid var(--border-color);font-family:var(--font-mono);color:var(--muted-foreground);align-items:center;gap:10px;padding:.7rem 1rem;font-size:12px;font-weight:700;display:flex}.feed-preview__dots{gap:6px;display:flex}.feed-preview__dots i{border:2px solid var(--border-color);border-radius:50%;width:11px;height:11px}.feed-preview__dots i:first-child{background:var(--pop-red)}.feed-preview__dots i:nth-child(2){background:var(--pop-yellow)}.feed-preview__dots i:nth-child(3){background:var(--pop-green)}.feed-item{border-bottom:var(--border-width-sm) solid var(--border-color);color:inherit;gap:1rem;padding:1.1rem 1.2rem;text-decoration:none;display:flex}.feed-item:last-child{border-bottom:none}.feed-item:hover{background:var(--surface-muted)}.feed-item__icon{border:var(--border-width-sm) solid var(--border-color);border-radius:var(--radius-sm);width:40px;height:40px;font-family:var(--font-mono);flex:none;place-items:center;font-weight:700;display:grid}.feed-item__title{font-family:var(--font-display);font-size:1.1rem;font-weight:700;line-height:1.2}.feed-item:hover .feed-item__title{color:var(--pop-green)}.feed-item__meta{font-family:var(--font-mono);color:var(--muted-foreground);margin-top:3px;font-size:12px}.feed-item__desc{color:var(--muted-foreground);margin-top:4px;font-size:.92rem}