.column-page,.isoft-column-page{color:#173f43;background:#fff;font-family:"Segoe UI","Yu Gothic",Meiryo,sans-serif;font-size:17px}.column-wrap{width:min(1120px,calc(100% - 80px));margin:auto}.columns{background:#f3f7f4}.columns .section-heading{margin-bottom:14px}.columns-intro{font-size:16px;color:#536d70;margin-bottom:27px;line-height:1.9}.column-card-list{display:grid;gap:22px}.column-card{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:stretch;border:1px solid #cbded6;background:#fff;color:#173f43;text-decoration:none;transition:border-color .2s,background .2s;min-width:0}.column-card:hover{border-color:#719f92;background:#fbfdfb}.column-card-mark{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:space-between;padding:25px;background:#dbece4;color:#17696a;overflow:hidden;min-height:205px}.column-card-mark::before{content:"";position:absolute;inset:0;z-index:-1;background:#c6ded5;clip-path:polygon(85% 0,100% 0,40% 100%,0 100%)}.column-card-mark>span{font:10px/1.8 Arial,sans-serif;letter-spacing:.16em}.column-card-mark>b{align-self:flex-end;font:700 italic 100px/1 Arial,sans-serif;letter-spacing:-.08em}.column-card-copy{padding:27px 32px 25px;min-width:0}.column-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:12px;line-height:1.7;color:#586f72}.column-meta time{font-family:Arial,sans-serif;font-size:13px;letter-spacing:.04em}.column-meta>span{border:1px solid #b8d2c7;background:#eff6f2;color:#2b6562;padding:3px 10px;font-size:11px}.column-card h3{font-size:23px;line-height:1.75;font-weight:600;letter-spacing:.02em;margin:14px 0 12px}.column-card p{font-size:15px;line-height:1.9;color:#536d70;margin:0;max-width:800px}.column-read{display:flex;gap:23px;align-items:center;font-size:13px;font-weight:600;color:#087477;margin-top:20px}.column-read>span{font-size:23px;line-height:1}.column-card:focus-visible,.column-back:focus-visible{outline:3px solid #008080;outline-offset:4px}.column-kicker{font:600 11px/1.7 Arial,sans-serif;letter-spacing:.18em;color:#087a7a;margin:0 0 17px}.column-heading{background:#edf4ef;padding:57px 0 52px;border-bottom:1px solid #d2e0d9}.column-heading h1{font-size:43px;line-height:1.5;letter-spacing:.05em;margin:0 0 19px}.column-heading p:last-child{font-size:17px;line-height:1.95;color:#526f70;margin:0}.column-heading-links{display:flex;gap:25px;align-items:center;margin-top:25px;font-size:13px}.column-heading-links a{border-bottom:1px solid #94b8ab;padding:6px 0;color:#2e6965}.column-list-section{padding:49px 0 73px}.column-list-label{font-size:13px;letter-spacing:.06em;color:#58746e;border-bottom:1px solid #c9ddd3;padding-bottom:17px;margin:0 0 23px}.column-pagination{margin-top:30px}.column-article{padding:43px 0 75px}.column-article .column-wrap{max-width:960px}.column-back{display:inline-block;color:#356963;font-size:13px;text-decoration:none;border-bottom:1px solid #bfd4cb;padding-bottom:7px}.column-article-head{padding:37px 0 34px;border-bottom:1px solid #c6dad0;margin-bottom:37px}.column-article-head .column-kicker{margin-bottom:20px}.column-article-head h1{font-size:37px;line-height:1.8;letter-spacing:.035em;margin:23px 0 0;font-weight:600}.column-prose{max-width:820px;margin:0 auto;color:#284b50}.column-prose p{font-size:17px;line-height:2;margin:20px 0}.column-prose h2{font-size:27px;line-height:1.75;letter-spacing:.025em;padding:0 0 12px;margin:47px 0 23px;border-bottom:1px solid #c6dad0;font-weight:600}.column-prose h3{font-size:21px;line-height:1.8;margin:29px 0 15px}.column-prose ul{padding-left:1.4em;margin:20px 0 27px;font-size:17px;line-height:2}.column-prose li{margin-bottom:12px}.column-prose li::marker{color:#008080}.column-prose a{color:#007477;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.column-prose p>strong>a{display:flex;justify-content:space-between;gap:20px;font-size:16px;padding:18px 23px;border:1px solid #a9c9bc;background:#edf5f0;text-decoration:none;line-height:1.85}.column-prose p>strong>a::after{content:'↗';flex:none}.column-prose small{font-size:12px;color:#5b7374}.column-bottom-back{margin-top:40px}.column-review-note{background:#edf2ef;color:#486b65;font-size:11px;text-align:center;line-height:1.8;padding:5px 15px}.column-page .column-description{max-width:760px}.column-source-note{font-size:12px;color:#617972;line-height:1.9;margin-top:23px}.column-preview-current-nav{color:#087477!important;border-bottom:2px solid #087477;padding-bottom:5px}
@media(max-width:900px){.column-card{grid-template-columns:135px minmax(0,1fr)}.column-card-mark{padding:20px}.column-card-copy{padding:24px}.column-card h3{font-size:20px}.column-article-head h1{font-size:31px}}
@media(max-width:600px){.column-wrap{width:calc(100% - 40px)}.columns{padding:43px 0}.columns .section-heading{display:flex;align-items:flex-end;gap:15px}.columns .section-heading h2{font-size:28px}.columns .section-heading .text-link{font-size:12px;gap:9px;margin:0}.columns-intro{font-size:14px;margin-bottom:22px}.column-card{grid-template-columns:1fr}.column-card-mark{min-height:95px;height:95px;flex-direction:row;align-items:flex-end;padding:17px 20px}.column-card-mark>span{font-size:9px;align-self:flex-start}.column-card-mark>b{font-size:76px;line-height:.8}.column-card-mark::before{clip-path:polygon(75% 0,90% 0,65% 100%,50% 100%)}.column-card-copy{padding:21px 19px}.column-card h3{font-size:19px;line-height:1.85;margin-top:13px}.column-card p{font-size:14px;line-height:1.95}.column-meta{gap:10px;font-size:11px}.column-meta time{font-size:12px}.column-meta>span{font-size:10px;padding:3px 8px}.column-read{margin-top:16px;font-size:12px}.column-heading{padding:40px 0 35px}.column-heading h1{font-size:33px;margin-bottom:16px}.column-heading p:last-child{font-size:15px}.column-heading-links{font-size:12px;gap:20px}.column-list-section{padding:32px 0 45px}.column-list-label{font-size:12px;margin-bottom:20px}.column-kicker{font-size:10px;margin-bottom:13px}.column-article{padding:27px 0 47px}.column-article-head{padding-top:28px;padding-bottom:26px;margin-bottom:27px}.column-article-head h1{font-size:25px;line-height:1.85;letter-spacing:.02em;margin-top:19px}.column-prose p,.column-prose ul{font-size:16px;line-height:2}.column-prose h2{font-size:22px;line-height:1.8;margin-top:34px;margin-bottom:20px}.column-prose h3{font-size:19px}.column-prose p>strong>a{font-size:14px;padding:15px 17px}.column-review-note{font-size:10px}.column-source-note{font-size:11px}}
@media(prefers-reduced-motion:reduce){.column-card{transition:none}}
.column-article-head h1{text-wrap:balance}
/* Article-specific artwork: logos stay intact; featured images take priority. */
.column-card-mark--topic{background:#f7f9f8;min-height:205px;padding:22px 18px;align-items:stretch;gap:16px}
.column-card-mark--topic::before{display:none}
.column-card-mark--topic>.column-art-label{font:600 8px/1.6 Arial,sans-serif;letter-spacing:.11em;color:#546a6b}
.column-art-logos{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:22px;min-width:0}
.column-card-mark--topic .column-art-logos img{display:block;width:100%;max-width:140px;height:auto;max-height:78px;object-fit:contain;margin:0;border:0;box-shadow:none}
.column-card-mark--oracle .column-art-logos img{max-height:42px}
.column-card-mark--cloudflare{background:#fffaf3;border-top:3px solid #ed941e}
.column-card-mark--oracle{background:#fff8f5;border-top:3px solid #c74634}
.column-card-mark--cloudflare-oracle{background:#fffaf6;border-top:3px solid #d98442}
.column-card-mark--ai{background:#eef1f7;border-top:3px solid #7383a2}
.column-card-mark--security,.column-card-mark--technology{background:#edf5f1;border-top:3px solid #418885}
.column-card-mark--topic>.column-art-footer{font:9px/1.6 Arial,sans-serif;letter-spacing:.12em;color:#607171;border-top:1px solid #dce4e1;padding-top:10px}
.column-card-mark--photo{padding:0;background:#edf3ef;min-height:205px}
.column-card-mark--photo::before{display:none}
.column-card-mark--photo .column-card-photo{display:block;width:100%;height:100%;object-fit:cover;position:absolute;inset:0;margin:0}
@media(max-width:600px){.column-card-mark--topic{min-height:140px;height:140px;padding:14px 20px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr auto;gap:10px}.column-card-mark--topic>.column-art-label{align-self:start;max-width:125px}.column-art-logos{grid-column:2;grid-row:1/3;height:100%}.column-card-mark--topic .column-art-logos img{max-width:140px;max-height:75px}.column-card-mark--cloudflare-oracle .column-art-logos{gap:14px}.column-card-mark--cloudflare-oracle .column-art-logos img{max-width:116px;max-height:42px}.column-card-mark--topic>.column-art-footer{grid-column:1;grid-row:2;align-self:end;padding-top:8px}.column-card-mark--photo{min-height:180px;height:180px}}