/* JNoted — design system
   Tokens first; components below. Red = viewpoint / emphasis, blue = fact / comparison. */
:root{
  --paper:#F6F2EC;      /* page background */
  --surface:#FFFDF9;    /* cards */
  --ink:#1E1E1E;        /* text */
  --muted:#5F5B55;      /* secondary text (AA on paper) */
  --faint:#8A8A8A;      /* decoration only, never small text */
  --line:#E2DBD0;       /* hairlines */
  --red:#C94732;        /* accent: big numbers, viewpoint */
  --red-ink:#AE3A26;    /* red for small text */
  --blue:#496FB3;       /* comparison / fact */
  --blue-ink:#3A5E9E;
  --navy:#10284A;       /* dark sections */
  --navy-line:#2A4468;
  --max:1120px; --narrow:740px; --radius:6px;
  --font:"Inter","Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.7;
  font-feature-settings:"palt" 0;text-rendering:optimizeLegibility}
html[lang="ja"] body{line-height:1.85;letter-spacing:.02em}
a{color:inherit;text-decoration-color:var(--red);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--red-ink)}
a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:2px}
img,svg{max-width:100%}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;font-weight:800}
html[lang="ja"] h1,html[lang="ja"] h2,html[lang="ja"] h3{letter-spacing:.01em;font-weight:900}
html[lang="ja"] :is(h1,h2,h3,.statement,.note-sub,.hero-lede,.card-sub){word-break:auto-phrase}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:var(--narrow)}
.small{font-size:.82rem;color:var(--muted)}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:10}
.skip:focus{left:8px;top:8px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red-ink);margin:0 0 12px}
.eyebrow a{text-decoration:none}
.block{padding-top:48px;padding-bottom:48px}

/* Header ------------------------------------------------------------ */
.site-header{border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:12px 28px;min-height:64px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.logo-mark{display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--red);flex:none}
.main-nav{margin-right:auto}
.main-nav ul,.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 22px}
.main-nav a{display:inline-block;padding:8px 0;font-size:.92rem;font-weight:500;text-decoration:none;color:var(--muted)}
.main-nav a:hover,.main-nav a[aria-current]{color:var(--ink)}
.main-nav a[aria-current]{box-shadow:inset 0 -2px 0 var(--red)}
.lang{display:flex;border:1px solid var(--ink);border-radius:999px;overflow:hidden;font-size:.78rem;font-weight:700;letter-spacing:.06em}
.lang a{padding:5px 12px;text-decoration:none;color:var(--ink);min-width:44px;text-align:center}
.lang a[aria-current]{background:var(--ink);color:var(--paper)}
@media (max-width:640px){
  .header-inner{padding-top:10px;padding-bottom:4px;gap:4px 16px}
  .logo{margin-right:auto}
  .main-nav{order:3;width:100%;margin:0}
  .lang a{padding:6px 12px}
}

/* Home -------------------------------------------------------------- */
.hero{padding:72px 0 56px}
.hero h1{font-size:clamp(2.3rem,7.2vw,4.6rem);line-height:1.12;margin:0 0 24px;max-width:15em}
html[lang="ja"] .hero h1{line-height:1.25}
.hero-lede{font-size:clamp(1rem,2.2vw,1.18rem);color:var(--muted);max-width:36em;margin:0}
.feature-band{background:var(--navy);color:#fff}
.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding-top:56px;padding-bottom:56px}
.feature .eyebrow{color:#F1A493}
.feature h2{font-size:clamp(1.6rem,3.6vw,2.4rem);margin:0 0 16px}
.feature h2 a{text-decoration:none}
.feature h2 a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--red)}
.feature p{color:#CBD4E1}
@media (max-width:820px){.feature{grid-template-columns:1fr;gap:28px}}
.btn{display:inline-block;padding:11px 20px;border-radius:999px;background:var(--red);color:#fff;font-weight:700;font-size:.92rem;text-decoration:none;margin:4px 8px 4px 0}
.btn:hover{background:var(--red-ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-top:2px solid var(--ink);padding-top:14px;margin-bottom:24px}
.section-head a{font-size:.9rem;font-weight:600;text-decoration:none;color:var(--muted);white-space:nowrap}
.section-title{font-size:1.15rem;margin:0}
.band{background:#EFE9E0;padding:48px 0}
.band .section-title{border-top:2px solid var(--ink);padding-top:14px;margin-bottom:24px}

.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media (max-width:900px){.topics{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.topics{gap:10px}.topic-tile{padding:16px}.topic-name{font-size:1.1rem}.topic-desc{font-size:.8rem}}
.topic-tile{display:flex;flex-direction:column;gap:6px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);transition:border-color .15s}
.topic-tile:hover{border-color:var(--ink);color:var(--ink)}
.topic-name{font-size:1.25rem;font-weight:800}
.topic-desc{font-size:.88rem;color:var(--muted);line-height:1.6}
.topic-count{margin-top:auto;padding-top:8px;font-size:.78rem;font-weight:700;color:var(--red-ink);letter-spacing:.04em}

.principles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:820px){.principles{grid-template-columns:1fr;gap:20px}}
.principles li{display:flex;flex-direction:column;gap:6px}
.principles strong{font-size:1.08rem}
.principles span:last-child{color:var(--muted);font-size:.94rem}
.p-num{font-size:2.2rem;font-weight:800;color:var(--red);line-height:1;font-variant-numeric:tabular-nums}

/* Cards ------------------------------------------------------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.card{position:relative;display:flex;flex-direction:column;padding:22px 22px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .15s}
.card:hover{border-color:var(--ink)}
.card[hidden]{display:none}
.card-meta{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:.74rem;font-weight:600;letter-spacing:.04em;color:var(--muted);margin:0 0 14px}
.card-meta .kind{color:var(--red-ink)}
.card-fig{margin:0;line-height:1;color:var(--red);font-weight:800;font-size:2.6rem;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.card-fig .unit{font-size:.5em;margin-left:2px}
.card-fig-label{font-size:.78rem;color:var(--muted);margin:6px 0 14px;line-height:1.5}
.card-title{font-size:1.12rem;margin:0 0 8px;line-height:1.4}
.card-title a{text-decoration:none}
.card-title a::after{content:"";position:absolute;inset:0}
.card-title a:hover{color:var(--ink)}
.card-sub{font-size:.9rem;color:var(--muted);margin:0 0 14px;line-height:1.6}
.card-date{margin:auto 0 0;font-size:.76rem;color:var(--muted)}

/* Index pages ------------------------------------------------------- */
.page-head{padding-top:56px}
.page-head h1{font-size:clamp(2rem,5.5vw,3.2rem);margin:0 0 12px}
.lede{font-size:1.08rem;color:var(--muted);max-width:38em}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.filter{padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.86rem;font-weight:600;text-decoration:none;color:var(--ink)}
.filter:hover{border-color:var(--ink);color:var(--ink)}
.filter[aria-current]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.empty{color:var(--muted)}
.topic-row{display:grid;grid-template-columns:1fr 1.6fr;gap:12px 40px;border-top:2px solid var(--ink);padding:20px 0 36px}
@media (max-width:720px){.topic-row{grid-template-columns:1fr}}
.topic-row h2{font-size:1.5rem;margin:0 0 6px}
.topic-row h2 a{text-decoration:none}
.topic-row p{color:var(--muted);font-size:.94rem;margin:0}
.topic-row ul{list-style:none;margin:0;padding:0}
.topic-row li{border-bottom:1px solid var(--line);padding:10px 0;font-weight:600}
.topic-row li a{text-decoration:none}

/* Note -------------------------------------------------------------- */
.note-head{padding:56px 0 8px}
.note-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 20px;font-size:.78rem;font-weight:700;letter-spacing:.05em}
.note-meta .kind{color:var(--red-ink);margin-right:6px}
.chip{padding:3px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--muted);background:var(--surface)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.note-head h1{font-size:clamp(1.9rem,5.4vw,3.1rem);margin:0 0 16px}
.note-sub{font-size:clamp(1.05rem,2.4vw,1.3rem);color:var(--muted);font-weight:500;line-height:1.6;margin:0 0 20px}
.note-dates{font-size:.82rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:20px;margin:0}
.pair{font-weight:700;color:var(--ink);white-space:nowrap}
.note-body{padding-bottom:48px}
.summary{font-size:1.12rem;font-weight:500;margin:28px 0}
.takeaways{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:var(--radius);padding:20px 24px 8px;margin:0 0 40px}
.takeaways h2{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px;color:var(--muted)}
.takeaways ol{list-style:none;counter-reset:k;margin:0;padding:0}
.takeaways li{counter-increment:k;display:grid;grid-template-columns:2.2rem 1fr;padding:12px 0;border-top:1px solid var(--line);font-weight:500;line-height:1.65}
.takeaways li:first-child{border-top:0}
.takeaways li::before{content:counter(k,decimal-leading-zero);color:var(--red);font-weight:800;font-variant-numeric:tabular-nums}

.prose h2{font-size:clamp(1.3rem,3vw,1.6rem);margin:56px 0 16px;padding-top:16px;border-top:2px solid var(--ink)}
.prose h3{font-size:1.1rem;margin:32px 0 10px}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.35em 0}
.prose p,.prose li{overflow-wrap:break-word}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:#EBE4D9;padding:1px 5px;border-radius:3px;letter-spacing:0}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.checklist{list-style:none;padding-left:0!important}
.checklist li{position:relative;padding-left:30px}
.checklist li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border:1.5px solid var(--ink);border-radius:3px}
.table-wrap{overflow-x:auto;margin:20px 0;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.92rem;background:var(--surface)}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.78rem;letter-spacing:.04em;color:var(--muted);border-bottom:2px solid var(--ink);background:var(--paper)}
td code{white-space:nowrap}
.callout{border-left:3px solid var(--faint);padding:4px 0 4px 18px;margin:24px 0;color:var(--muted);font-size:.94rem}
.callout p:last-child{margin:0}

/* Infographic blocks */
.figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px 18px;margin:32px 0}
.fig{border-top:3px solid var(--ink);padding-top:14px}
.fig:first-child{border-top-color:var(--red)}
.fig-value{margin:0 0 8px;line-height:1;font-weight:800;font-size:clamp(2.1rem,7vw,3.6rem);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.fig:first-child .fig-value{color:var(--red)}
.fig-value .unit{font-size:.42em;font-weight:700;margin-left:3px;letter-spacing:0}
.fig-label{font-size:.9rem;font-weight:600;line-height:1.5;margin:0 0 4px}
.fig-note{font-size:.76rem;color:var(--muted);margin:0;line-height:1.5}
.figures-dark{margin:0}
.figures-dark .fig{border-top-color:var(--navy-line)}
.figures-dark .fig:first-child{border-top-color:var(--red)}
.figures-dark .fig-value,.figures-dark .fig:first-child .fig-value{color:#fff}
.figures-dark .fig-label{color:#CBD4E1;font-weight:500}

.bars{margin:36px 0;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.bars figcaption{font-weight:700;font-size:.95rem;margin-bottom:16px}
.bars ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--ink)}
.bar{display:grid;grid-template-columns:1fr 4.2rem;align-items:center;gap:10px;padding:5px 0}
.bar-label{grid-column:1/-1;font-size:.78rem;font-weight:600;color:var(--muted);padding-left:10px;line-height:1.2}
.bar-track{display:block;height:16px}
.bar-fill{display:block;height:100%;background:var(--red);border-radius:0 4px 4px 0}
.bar.proj .bar-fill{background:repeating-linear-gradient(135deg,var(--red) 0 3px,#F3C9BF 3px 7px)}
.bar-value{font-weight:800;font-variant-numeric:tabular-nums;font-size:.95rem;text-align:right}
.bar.proj .bar-value{color:var(--red-ink)}
.bars-note{font-size:.76rem;color:var(--muted);margin:14px 0 0}
@media (min-width:600px){
  .bar{grid-template-columns:5.5rem 1fr 4.2rem;gap:12px}
  .bar-label{grid-column:auto;padding-left:0;text-align:right;order:-1}
  .bars ol{border-left:0}
  .bar-track{border-left:1px solid var(--ink)}
}

.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:28px 0}
.compare-2{grid-template-columns:1fr 1fr}
@media (max-width:420px){.compare-2{gap:10px}.compare-2 .cmp{padding:14px 14px 4px}.compare-2 .cmp ul{font-size:.85rem;padding-left:1em}}
.cmp{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:var(--radius);padding:18px 20px 6px}
.cmp-1{border-top-color:var(--red)}
.cmp-2{border-top-color:var(--blue)}
.cmp h3{margin:0 0 12px;font-size:1.05rem}
.cmp p:first-of-type code{display:inline-block;font-size:1.05rem;font-weight:700;padding:3px 8px;margin:0 2px 4px 0;background:var(--paper);border:1px solid var(--line)}
.cmp-1 p:first-of-type code{color:var(--red-ink)}
.cmp-2 p:first-of-type code{color:var(--blue-ink)}
@media (min-width:700px){.compare-3{grid-template-columns:repeat(3,1fr);margin-left:-60px;margin-right:-60px}.compare-3 .cmp{padding:16px 16px 4px}}
@media (min-width:700px) and (max-width:860px){.compare-3{margin-left:0;margin-right:0}}
.cmp ul{padding-left:1.1em;font-size:.93rem}
.cmp p{font-size:.93rem}

.claim{margin:28px 0;padding:18px 22px 6px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.claim-fact{border-left:4px solid var(--blue)}
.claim-view{border-left:4px solid var(--red)}
.claim-label{font-size:.74rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin:0 0 8px}
.claim-fact .claim-label{color:var(--blue-ink)}
.claim-view .claim-label{color:var(--red-ink)}

.statement{font-size:clamp(1.35rem,3.6vw,1.9rem);font-weight:800;line-height:1.45;margin:44px 0;padding-left:20px;border-left:4px solid var(--red)}
html[lang="ja"] .statement{font-weight:900}

.sources{border-top:2px solid var(--ink);margin-top:56px;padding-top:14px}
.sources h2{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.sources ol{margin:0;padding-left:1.4em;font-size:.86rem;line-height:1.65}
.sources li{margin:.5em 0;overflow-wrap:anywhere}
.tags{list-style:none;padding:0;margin:28px 0 16px;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:.76rem;padding:2px 10px;border-radius:999px;background:#EBE4D9;color:var(--muted)}

/* 404 / root ---------------------------------------------------------- */
.nf{padding-bottom:72px}
.nf-code{font-size:clamp(4rem,16vw,8rem);font-weight:800;color:var(--red);line-height:1;margin:0 0 12px;letter-spacing:-.04em}
.nf h1 span{display:block;font-size:.6em;color:var(--muted);margin-top:6px}
.root-choice h1{display:flex;align-items:center;gap:12px}

/* Footer -------------------------------------------------------------- */
.site-footer{border-top:2px solid var(--ink);padding:36px 0 48px;margin-top:24px}
.footer-inner{display:grid;grid-template-columns:1fr 2fr;gap:20px 40px}
@media (max-width:720px){.footer-inner{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;margin:0 0 4px}
.site-footer nav a{font-size:.88rem;text-decoration:none;color:var(--muted);display:inline-block;padding:4px 0}
.site-footer nav a:hover{color:var(--ink)}
.footer-legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px;margin:0}

@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hero{padding:44px 0 36px}
  .page-head,.note-head{padding-top:36px}
  .block{padding-top:36px;padding-bottom:36px}
  .bars{padding:18px 16px}
  .takeaways{padding:16px 18px 4px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{.site-header,.site-footer,.band,.lang{display:none}body{background:#fff}}