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