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:root{color-scheme:light;--blue:#127aa6;--dark:#193447;--muted:#647582;--line:#dce6eb;--paper:#f5f7f8;--pale:#edf6fa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;background:var(--paper);color:var(--dark);font-family:"BIZ UDPGothic","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:18px;line-height:1.9;overflow-wrap:anywhere}a{color:#116e99;text-underline-offset:4px}a:hover{color:#054b70}:focus-visible{outline:3px solid #a65108;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.65;letter-spacing:.01em}h1{font-size:24px}h2{font-size:20px}h3{font-size:18px}p{margin-bottom:1.5em}p:last-child{margin-bottom:0}.skip-link{position:fixed;left:18px;top:-90px;background:var(--dark);color:#fff;padding:12px 18px;z-index:20}.skip-link:focus{top:12px}.blog-header{background:#fff}.header-inner,.main-nav>div,.blog-layout,.blog-footer>div{width:min(1120px,calc(100% - 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@media(max-width:800px){.header-inner,.main-nav>div,.blog-layout,.blog-footer>div{width:calc(100% - 32px)}.header-description{display:none}.main-nav>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.main-nav a{min-width:0;min-height:48px;font-size:13px;border-bottom:1px solid #ffffff35}.blog-layout{display:block;margin-top:22px}.sidebar{margin-top:26px;grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar .side-note{grid-column:1/-1}.article-panel{padding:24px}.article-header h1{font-size:21px}}
@media(max-width:540px){.blog-brand{font-size:19px}.header-inner{min-height:76px}.card-copy{padding:19px}.post-card h2{font-size:18px}.sidebar{grid-template-columns:1fr}.article-panel{padding:21px 18px}.article-header h1{font-size:20px}.article-body section>h2{font-size:19px;padding:10px 12px}.point-box,.toc{padding:17px}.writing-template{padding:16px;font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Search-intent links stay compact and readable on small screens. */
.discovery-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;list-style:none;padding:0;margin:0}
.discovery-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;background:#f6fafc;border:1px solid #e0eaf0;text-decoration:none}
.discovery-links span{font-size:14px;color:#597581;white-space:nowrap}
.discovery-links a:hover,.discovery-links a:focus-visible{background:#eaf5fa}
@media(max-width:520px){.discovery-links{grid-template-columns:1fr}}

/* Compact editorial typography and a single semantic link per article card. */
body{font-size:16px;line-height:1.85;background:#f6f8fa}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.post-list{gap:12px}.post-card{border-radius:10px;overflow:hidden;transition:border-color .18s,box-shadow .18s}
.post-card:hover,.post-card:focus-within{border-color:#83b5c7;box-shadow:0 4px 16px #1934470a}
.post-card-link{display:block;height:100%;color:var(--dark);text-decoration:none}
.post-card-link:hover{color:var(--dark)}.post-card-link:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.card-copy{padding:18px 22px}.post-card h2{font-size:17px;margin:9px 0;font-weight:650;letter-spacing:.02em}
.post-card p{font-size:14px;line-height:1.8;margin-bottom:8px}.read-more{font-size:12px;min-height:28px;color:var(--blue)}
.article-lead,.article-body p{font-size:16px}.article-header h1{font-size:21px}.article-body section>h2{font-size:18px}
.article-body h3{font-size:17px}.point-box ul,.check-list{font-size:15px}
.discovery-links a{font-size:14px;padding:9px 11px;min-height:44px}.discovery-links span{font-size:12px}
.side-box{border-radius:10px}.side-box h2{font-size:16px}.about-box h2{font-size:17px}.about-box p{font-size:13px}
@media(max-width:540px){.card-copy{padding:17px}.post-card h2{font-size:16px}.article-header h1{font-size:20px}.article-body section>h2{font-size:18px}}
@media(prefers-reduced-motion:reduce){.post-card{transition:none}}