.column-header{background:#fff;border-bottom:1px solid var(--line)}.column-header>.shell{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:22px}.column-header nav{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:700}.column-header nav a:hover,.column-text-link:hover,.column-all:hover{color:var(--teal-ink)}.column-header .column-contact{background:var(--teal-ink);color:white;padding:10px 22px;border-radius:3px}.column-main{padding-bottom:80px}.column-breadcrumb{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12px;color:var(--ink-2);padding-block:22px;line-height:1.8}.column-breadcrumb a{text-decoration:underline;text-underline-offset:4px}.column-breadcrumb>span:last-child{min-width:0;overflow-wrap:anywhere}.column-intro-head{padding:32px 0 44px;max-width:1000px}.column-intro-head h1{font-size:clamp(28px,3.3vw,48px);line-height:1.5;margin:14px 0 24px;font-weight:900;letter-spacing:.01em;overflow-wrap:anywhere}.column-intro-head>p:not(.section__label){color:var(--ink-2)}.column-intro-head .column-description{font-size:15px;line-height:2;margin-top:16px}.column-mobile-break{display:none}.column-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.column-card{background:white;border:1px solid var(--line);border-radius:5px;overflow:hidden;min-width:0}.column-card>a{display:flex;flex-direction:column;height:100%}.column-card img{display:block;width:100%;aspect-ratio:20/13;object-fit:cover;transition:opacity .2s}.column-card a:hover img{opacity:.85}.column-card a:hover h3{color:var(--teal-ink)}.column-card-body{padding:24px;display:flex;flex-direction:column;flex:1}.column-meta{display:flex;gap:10px 16px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--ink-2)}.column-meta>span{background:var(--teal-tint);color:var(--teal-ink);padding:3px 9px;font-weight:700}.column-card h3{font-size:clamp(18px,1.55vw,21px);line-height:1.7;margin:14px 0 12px;overflow-wrap:anywhere}.column-card p{font-size:14px;line-height:1.9;color:var(--ink-2);margin-bottom:22px}.column-read{font-size:13px;font-weight:700;color:var(--teal-ink);margin-top:auto}.column-count{font-size:13px;margin-bottom:20px;color:var(--ink-2)}.column-empty{background:var(--teal-tint);border:1px solid #cde3dc;border-radius:5px;padding:50px;max-width:100%;margin-bottom:30px}.column-empty h2{font-size:26px;line-height:1.6;margin:10px 0 16px}.column-empty>p:not(.section__label){font-size:15px;max-width:660px;color:var(--ink-2)}.column-text-link{display:inline-block;font-size:14px;font-weight:700;color:var(--teal-ink);text-decoration:underline;text-underline-offset:5px;margin-top:24px}.column-consult{text-align:center;background:#edf4f0;padding:46px 30px;margin-top:64px;border-radius:5px}.column-consult h2{font-size:clamp(25px,3vw,37px);line-height:1.55;margin:16px 0 20px}.column-consult>p{font-size:15px;color:var(--ink-2);max-width:660px;margin-inline:auto;line-height:1.9}.column-consult .btn{margin-top:26px;max-width:100%;white-space:normal;line-height:1.7}.column-consult .column-consult-note{font-size:13px;line-height:1.8;margin-top:18px}.column-home{background:#f5f7f3}.column-section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:32px}.column-intro{font-size:15px;line-height:1.9;color:var(--ink-2);margin-top:18px}.column-all{font-size:14px;color:var(--teal-ink);font-weight:700;white-space:nowrap;border-bottom:1px solid var(--teal);padding-bottom:5px}.column-empty-home{padding:26px 30px;border-top:1px solid #cadcd4;border-bottom:1px solid #cadcd4;display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px}.column-empty-home>span{font:600 12px var(--latin);letter-spacing:.1em;color:var(--teal-ink)}.column-empty-home p{font-size:14px;color:var(--ink-2)}.column-empty-home a{font-size:13px;font-weight:700;color:var(--teal-ink);margin-left:auto}.column-article{max-width:800px;margin:30px auto 0;overflow-wrap:anywhere}.column-article h1{font-size:clamp(28px,3vw,40px);line-height:1.55;letter-spacing:.01em;text-wrap:pretty;margin:22px 0;font-weight:900}.column-article-lead{color:var(--ink-2);font-size:17px;line-height:2}.column-byline{font-size:12px;color:var(--ink-2);margin-top:20px}.column-cover{display:block;width:100%;aspect-ratio:20/13;object-fit:cover;margin-top:32px;border-radius:4px}.column-toc{background:var(--teal-tint);padding:0;margin:32px 0;border:1px solid #d6e3db;border-radius:6px}.column-toc>p{font-weight:700;color:var(--teal-ink);font-size:16px}.column-toc ol{padding-left:22px;margin-top:12px;font-size:15px}.column-toc a{text-decoration:underline;text-underline-offset:4px}.column-toc li+li{margin-top:8px}.column-prose{font-size:17px;line-height:2}.column-prose h2{font-size:clamp(23px,2.2vw,29px);text-wrap:pretty;line-height:1.6;border-bottom:2px solid var(--teal);padding-bottom:14px;margin:50px 0 24px;scroll-margin-top:30px}.column-prose p{margin:24px 0}.column-prose ul{list-style:disc;margin:24px 0}.column-prose li+li{margin-top:10px}.column-prose figure{margin:34px 0}.column-prose figure img{display:block;width:100%;height:auto;max-height:580px;object-fit:contain}.column-prose figcaption{font-size:13px;line-height:1.8;color:var(--ink-2);margin-top:10px}.column-author{border:1px solid var(--line);background:white;padding:26px;margin-top:50px;font-size:14px;line-height:1.9}.column-author strong{font-size:16px}.column-author p{margin-top:12px}.column-author a{display:inline-block;color:var(--teal-ink);margin-top:12px;text-decoration:underline;text-underline-offset:4px}.column-related{margin-top:64px}.column-related>h2{font-size:26px;margin-bottom:28px}@media(max-width:900px){.column-header nav{gap:18px}.column-header nav>a:first-child{display:none}.column-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.column-grid{grid-template-columns:1fr;gap:24px}.column-section-head{display:block}.column-all{display:inline-block;margin-top:22px}.column-header .project-brand{font-size:15px}.column-header nav{gap:14px;font-size:12px}.column-header .column-contact{padding:8px 12px}.column-header>.shell{gap:12px;padding-block:16px}.column-intro-head{padding:24px 0 36px}.column-intro-head h1{font-size:28px}.column-mobile-break{display:block}.column-description br{display:none}.column-empty{padding:30px 24px}.column-empty h2{font-size:23px}.column-consult{padding:32px 20px;margin-top:42px}.column-consult .btn{width:100%;font-size:14px;padding-inline:16px}.column-consult br{display:none}.column-empty-home{padding:22px 0;display:block}.column-empty-home p{margin:10px 0}.column-empty-home a{display:inline-block;margin-top:4px}.column-article{margin-top:22px}.column-article h1{font-size:28px}.column-article-lead,.column-prose{font-size:16px}.column-card-body{padding:22px}.column-related>h2{font-size:23px}.column-article .column-meta{font-size:11px}}

.column-prose a{color:var(--teal-ink);text-decoration:underline;text-underline-offset:4px}

@media(max-width:1100px){.site-header .nav{display:none}.site-header .nav__cta--mobile{display:inline-flex}}
/* Editorial layout for the first published guide. */
.column-cover,.column-card img{height:auto}
.column-grid:has(>.column-card:only-child){grid-template-columns:minmax(0,1fr)}
.column-grid>.column-card:only-child>a{display:grid;grid-template-columns:1fr 1.15fr}
.column-grid>.column-card:only-child img{height:100%;min-height:280px;object-fit:cover}
.column-grid>.column-card:only-child .column-card-body{padding:clamp(24px,4vw,48px)}
.column-grid>.column-card:only-child h3{font-size:clamp(22px,2.2vw,30px)}
.column-prose h2{border-bottom-color:#75ad9e}.column-prose ul{background:#f1f6f2;border:1px solid #dce6de;border-radius:8px;padding:24px 24px 24px 46px}
.column-table-wrap{overflow-x:auto;margin:28px 0;border:1px solid #d5dfd8;border-radius:8px}
.column-table-wrap table{width:100%;border-collapse:collapse;min-width:560px;font-size:14px;line-height:1.8}
.column-table-wrap th,.column-table-wrap td{padding:18px;vertical-align:top;text-align:left;border-bottom:1px solid #dce5de}
.column-table-wrap thead{background:#e3eee7;color:#213d38}.column-table-wrap tbody th{width:25%;background:#f5f8f4}.column-table-wrap tbody tr:last-child>*{border-bottom:0}
.column-prose .column-internal-link{display:inline-block;font-weight:700;padding:10px 0}.column-prose figure{background:#fff;border:1px solid #e7e5df;border-radius:8px;overflow:hidden}.column-prose figcaption{padding:14px 18px;margin:0}
@media(max-width:760px){.column-grid>.column-card:only-child>a{display:flex}.column-grid>.column-card:only-child img{height:auto;min-height:0}.column-grid>.column-card:only-child .column-card-body{padding:24px}.column-grid>.column-card:only-child h3{font-size:22px}.column-table-wrap th,.column-table-wrap td{padding:14px}.column-prose ul{padding:20px 18px 20px 38px}}
.column-prose h3{font-size:clamp(19px,1.8vw,23px);line-height:1.7;margin:34px 0 14px;color:#213d38;border-left:3px solid #75ad9e;padding-left:14px}.column-consult--compact{max-width:800px;margin-inline:auto;padding:36px}.column-consult--compact .btn{font-size:16px}.column-prose h3+p{margin-top:14px}

/* Six independent guides: clear choices, one contextual consultation, readable details. */
.column-topics{margin:0 0 40px;padding:26px;background:#edf4f0;border:1px solid #d6e3db;border-radius:8px}
.column-topics h2{font-size:20px;line-height:1.6;margin-bottom:20px;color:#213d38}
.column-topics>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.column-topics a{position:relative;display:flex;flex-direction:column;gap:7px;background:#fff;border:1px solid #d6e3db;border-radius:5px;padding:18px 36px 18px 18px;transition:border-color .15s}
.column-topics a:hover{border-color:#578d7e}.column-topics strong{font-size:15px;color:#235f50}.column-topics span{font-size:13px;line-height:1.8;color:var(--ink-2)}.column-topics b{position:absolute;right:14px;top:19px;color:#235f50}
.column-article .column-consult{margin-top:46px}.column-consult--compact h2{font-size:26px;margin:12px 0 16px}.column-consult--compact .btn{white-space:normal;line-height:1.7;max-width:100%}.column-consult .section__label{font-size:12px;letter-spacing:.15em;color:#235f50}
.column-toc li{line-height:1.8}.column-toc a{display:inline-block;padding-block:3px}.column-card:focus-within{outline:2px solid #235f50;outline-offset:3px}.column-main a:focus-visible,.column-header a:focus-visible{outline:2px solid #235f50;outline-offset:4px;border-radius:2px}.column-table-wrap:focus-visible{outline:2px solid #235f50;outline-offset:3px}
.column-table-wrap tbody tr:hover td{background:#fafcf9}
@media(max-width:900px){.column-topics>div{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.column-topics{padding:20px;margin-bottom:32px}.column-topics h2{font-size:18px}.column-topics>div{grid-template-columns:1fr;gap:10px}.column-topics a{padding:14px 34px 14px 16px;gap:4px}.column-topics b{top:16px}.column-consult--compact{padding:28px 20px}.column-consult--compact h2{font-size:23px}.column-consult--compact .btn{font-size:14px}.column-consult-note br{display:block}.column-table-wrap{background:linear-gradient(to right,#fff 30%,transparent),linear-gradient(to left,#fff 30%,transparent),linear-gradient(to right,rgba(33,61,56,.12),transparent),linear-gradient(to left,rgba(33,61,56,.12),transparent);background-position:left,right,left,right;background-size:24px 100%,24px 100%,10px 100%,10px 100%;background-repeat:no-repeat;background-attachment:local,local,scroll,scroll}.column-prose h2{scroll-margin-top:20px}.column-card h3{font-size:20px}}
@media(max-width:420px){.column-header>.shell{flex-wrap:wrap;gap:14px}.column-header nav{justify-content:space-between;width:100%;gap:10px}.column-header nav>a:first-child{display:none}.column-article h1{font-size:26px}.column-breadcrumb{font-size:11px}.column-topics{padding:18px 14px}}
/* Preserve the complete clock product and avoid cramped mid-size mobile navigation. */
.column-cover[src*="column-paneco-clock"],.column-card img[src*="column-paneco-clock"]{object-fit:contain;background:#fff}
@media(max-width:600px){.column-header>.shell{flex-wrap:wrap;gap:14px}.column-header nav{justify-content:space-between;width:100%;gap:10px}.column-header nav>a{white-space:nowrap}.column-header nav>a:first-child{display:none}}

/* Keep the opening visual concise so readers reach the guide promptly. */
.column-article .column-cover{height:320px;aspect-ratio:auto;object-fit:contain;background:#fff;margin-top:24px}
@media(max-width:760px){.column-article .column-cover{height:200px;margin-top:22px}}

/* Optional contents and explicit small-screen table guidance. */

.column-toc>summary{padding:18px 24px;min-height:52px;cursor:pointer;font-size:16px;font-weight:700;line-height:1.8;color:#235f50}
.column-toc[open]>summary{border-bottom:1px solid #d6e3db}
.column-toc>nav{padding:16px 24px 24px}
.column-toc ol{margin-top:0}
.column-table-hint{display:none}
@media(max-width:760px){.column-toc>summary{padding:16px 20px;font-size:15px}.column-toc>nav{padding:16px 20px 22px}.column-prose .column-table-hint{display:block;font-size:12px;line-height:1.8;color:#52645c;margin:22px 0 8px}.column-table-hint+.column-table-wrap{margin-top:8px}}

/* Keep long Japanese titles and controls inside narrow editorial layouts. */
.column-header .project-brand{flex-shrink:0}.column-header nav{min-width:0}
.column-card a:focus-visible{outline-offset:-3px}
.column-toc>summary:focus-visible{outline:2px solid #235f50;outline-offset:3px}
.column-prose .column-internal-link{line-height:1.8}
@media(max-width:760px){.column-main{padding-bottom:52px}.column-article h1{line-height:1.6}.column-author{padding:22px}.column-related{margin-top:48px}.column-prose h2{margin-top:40px}.column-prose figure{margin-block:28px}.column-consult .column-consult-note{font-size:12px}}
@media(prefers-reduced-motion:reduce){.column-card img,.column-topics a{transition:none}}

/* Fine spacing: keep linked headings and narrow-screen editorial titles legible. */
.column-prose h2 + h3{margin-top:24px}
@media(max-width:420px){.column-intro-head h1{font-size:26px;line-height:1.55}.column-breadcrumb{gap:6px 10px}.column-card-body{padding:20px}.column-toc>nav{padding-inline:18px}.column-toc ol{padding-left:20px}}