@font-face{font-family:"Mincho";src:url(/fonts/mincho-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Mincho";src:url(/fonts/mincho-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Kaku";src:url(/fonts/kaku-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Kaku";src:url(/fonts/kaku-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Kaku";src:url(/fonts/kaku-700.woff2) format("woff2");font-weight:700;font-display:swap}

:root{
  --ink:#16223A;--ink-2:#44526A;--ink-3:#7D899D;--paper:#FFFDF8;--line:#E4DED2;
  --accent:#E0603A;--accent-soft:#FBE3D6;--sky:#2F86E8;
  --serif:"Mincho","Hiragino Mincho ProN","Yu Mincho",ui-serif,Georgia,serif;
  --sans:"Kaku","Hiragino Sans","Yu Gothic",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --gut:clamp(18px,4.5vw,56px);--max:1220px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:#8DC6F8;scroll-padding-top:24px}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  background:linear-gradient(#8DC6F8 0,#CFE7FF 260px,#EEF4F9 620px,#F8F3EA 100%) no-repeat,#F8F3EA}
::selection{background:#FFE07A}
a{color:inherit}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut);width:100%}
body>main{flex:1}
:focus-visible{outline:2px dashed var(--ink);outline-offset:3px}

/* top bar */
.bar .wrap{display:flex;justify-content:space-between;align-items:center;height:72px}
.brand{font-family:var(--serif);font-weight:700;font-size:20px;color:#fff;text-decoration:none;text-shadow:0 1px 14px rgba(20,70,140,.35)}
.bar nav{display:flex;gap:clamp(14px,2.6vw,30px);font-size:15px;font-weight:500}
.bar nav a{color:#fff;text-decoration:none;text-shadow:0 1px 12px rgba(20,70,140,.35)}
.bar nav a:hover{text-decoration:underline;text-underline-offset:5px}

/* paper + tape (same as the main site) */
.paper{position:relative;background:var(--paper);box-shadow:0 1px 1px rgba(60,50,40,.08),0 22px 44px -26px rgba(30,45,90,.45)}
.tape{position:absolute;z-index:2;top:-13px;left:50%;width:112px;height:28px;margin-left:-56px;background:var(--t,#FFC9D7);opacity:.82;transform:rotate(-3deg);
  clip-path:polygon(0 8%,3% 0,6% 10%,9% 0,100% 0,97% 12%,100% 22%,97% 34%,100% 46%,97% 58%,100% 70%,97% 82%,100% 92%,97% 100%,0 100%,3% 88%,0 76%,3% 64%,0 52%,3% 40%,0 28%,3% 18%);
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.25) 0 6px,transparent 6px 12px)}

/* list */
.list{padding-top:clamp(24px,5vw,56px);padding-bottom:80px}
.list h1{font-family:var(--serif);font-weight:700;font-size:clamp(44px,7vw,80px);line-height:1.1;margin:0}
.kicker{font-family:var(--serif);font-weight:500;font-size:clamp(18px,1.8vw,21px);color:var(--ink-2);margin:10px 0 0;max-width:34em}
.posts{list-style:none;margin:clamp(40px,5vw,60px) 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:34px 28px}
.card{display:flex;flex-direction:column;gap:8px;height:100%;padding:28px 26px 24px;text-decoration:none;background:var(--paper);position:relative;transform:rotate(var(--r));
  box-shadow:0 1px 1px rgba(60,50,40,.08),0 22px 44px -26px rgba(30,45,90,.45);transition:transform .3s cubic-bezier(.2,.7,.1,1)}
.card:hover{transform:rotate(0) translateY(-4px)}
.card .meta{font-size:13.5px;color:var(--ink-3)}
.card .t{font-family:var(--serif);font-weight:700;font-size:24px;line-height:1.3}
.card .d{color:var(--ink-2);font-size:16px;line-height:1.65;flex:1}
.card .more{font-family:var(--serif);font-weight:700;font-size:16px;margin-top:6px}
.empty{grid-column:1/-1;font-family:var(--serif);font-size:20px;color:var(--ink-2)}

/* post */
.post-head{padding-top:clamp(18px,4vw,44px);padding-bottom:clamp(26px,4vw,46px);max-width:var(--max)}
.crumb{display:inline-block;font-size:14.5px;font-weight:500;color:var(--ink-2);text-decoration:none;margin-bottom:16px}
.crumb:hover{color:var(--ink)}
.post-head h1{font-family:var(--serif);font-weight:700;font-size:clamp(36px,5.4vw,64px);line-height:1.12;margin:0;max-width:18em;letter-spacing:-.005em;text-wrap:balance}
.post-head .meta{margin:16px 0 0;font-size:14.5px;color:var(--ink-3)}
.post-head .lede{margin:14px 0 0;font-size:clamp(18px,1.6vw,20px);color:var(--ink-2);max-width:40em}
.post{display:grid;grid-template-columns:270px minmax(0,1fr);gap:clamp(30px,4vw,64px);align-items:start;padding-bottom:90px}
.post.no-toc{grid-template-columns:minmax(0,1fr);max-width:900px}
.toc{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;padding-bottom:10px}
.toc-h{font-family:var(--serif);font-style:italic;font-weight:500;font-size:24px;color:#B0546E;margin:0 0 18px}
.toc ol,.toc-m ol{list-style:none;margin:0;padding:0}
.toc ol{border-left:2px solid var(--line)}
.toc li a{display:block;padding:8px 0 8px 20px;margin-left:-2px;border-left:2px solid transparent;color:var(--ink-2);text-decoration:none;font-size:15.5px;line-height:1.45;transition:color .2s,border-color .2s}
.toc li a:hover{color:var(--ink)}
.toc li a.on{color:var(--ink);font-weight:500;border-left-color:var(--accent)}
.ask{margin-top:28px;padding:18px 20px;border-radius:14px;background:var(--accent-soft);font-size:15px;line-height:1.6;color:var(--ink-2)}
.ask a{color:var(--accent);text-decoration:none;font-weight:500}
.ask a:hover{text-decoration:underline}
.toc-m{display:none}
.col{min-width:0}

/* article typography */
.prose{padding:clamp(26px,4vw,56px) clamp(22px,4.4vw,60px);font-size:18px;line-height:1.85;color:var(--ink-2)}
.prose>:first-child:not(.tape),.prose .tape+*{margin-top:0}
.prose p{margin:0 0 1.15em}
.prose h2{font-family:var(--serif);font-weight:700;color:var(--ink);font-size:clamp(28px,3.2vw,40px);line-height:1.2;margin:1.8em 0 .6em;letter-spacing:-.005em;position:relative;scroll-margin-top:24px}
.prose h3{font-family:var(--serif);font-weight:700;color:var(--ink);font-size:clamp(21px,2.2vw,25px);line-height:1.3;margin:1.6em 0 .5em;position:relative;scroll-margin-top:24px}
.prose h4{font-weight:700;color:var(--ink);font-size:18px;margin:1.4em 0 .4em}
.prose .anchor{position:absolute;left:-.9em;color:var(--line);text-decoration:none;opacity:0;transition:opacity .2s}
.prose h2:hover .anchor,.prose h3:hover .anchor{opacity:1}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}
.prose li{margin:.35em 0;padding-left:.2em}
.prose ul li::marker{color:var(--accent)}
.prose ol li::marker{color:var(--accent);font-weight:700}
.prose blockquote{margin:1.4em 0;padding:.2em 0 .2em 1.2em;border-left:3px solid var(--accent);font-family:var(--serif);font-size:1.08em;color:var(--ink)}
.prose blockquote p:last-child{margin-bottom:0}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:#F2ECE1;padding:.12em .38em;border-radius:5px;color:var(--ink)}
.prose pre{background:#1E2A44;color:#F2ECE1;padding:18px 20px;border-radius:12px;overflow:auto;font-size:15px;line-height:1.6;margin:1.4em 0}
.prose pre code{background:none;padding:0;color:inherit}
.prose figure{margin:1.6em 0}
.prose figure img{display:block;width:100%;border-radius:4px;box-shadow:0 14px 30px -18px rgba(30,45,90,.5)}
.prose figcaption{text-align:center;font-size:14px;color:var(--ink-3);margin-top:10px}
.prose hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:16px;display:block;overflow-x:auto}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{color:var(--ink);font-weight:700}
.after{margin-top:34px;padding:0 4px;color:var(--ink-2);font-size:16.5px}
.after a{color:var(--accent)}
.after .back{display:inline-block;margin-top:8px;font-family:var(--serif);font-weight:700;color:var(--ink);text-decoration:none}
.draft{background:#FFEBA3;text-align:center;padding:10px 16px;font-size:15px}
.draft a{font-weight:700}

.foot{border-top:1px dashed var(--line);padding:26px 0 calc(30px + env(safe-area-inset-bottom))}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;font-size:14px;color:var(--ink-3)}
.foot a{color:var(--ink-2);text-decoration:none}
.foot a:hover{color:var(--ink);text-decoration:underline}

@media (max-width:960px){
  .post{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .toc-m{display:block;margin:0 0 22px;background:var(--paper);border-radius:12px;box-shadow:0 10px 26px -18px rgba(30,45,90,.45)}
  .toc-m summary{cursor:pointer;padding:14px 18px;font-family:var(--serif);font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between}
  .toc-m summary::after{content:"+";font-family:var(--sans);font-weight:400;color:var(--ink-3)}
  .toc-m[open] summary::after{content:"–"}
  .toc-m summary::-webkit-details-marker{display:none}
  .toc-m ol{padding:0 18px 12px;border-top:1px dashed var(--line)}
  .toc-m a{display:block;padding:9px 0 9px 12px;border-left:2px solid transparent;color:var(--ink-2);text-decoration:none;font-size:15.5px;line-height:1.45}
  .toc-m a.on{border-left-color:var(--accent);color:var(--ink);font-weight:500}
}
@media (max-width:640px){
  body{font-size:16px}
  .bar nav{gap:16px;font-size:14.5px}
  .prose{font-size:17px;line-height:1.8}
  .prose .anchor{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}