/* Layout: 和紙の地に墨の文字。トップは縦書きの万葉の一句、記事は一段組みの読み物。朱は印と見出しの番号だけに使う */
:root{
  --paper:#F6F1E6; --paper-2:#EDE5D3; --card:#FFFCF5; --ink:#211B16; --ink-2:#5B4E3F; --line:#D9CDB5;
  --shu:#9E3426; --ai:#2F4858; --moss:#56613F; --night:#211B16; --night-fg:#F3EADA; --night-2:#CFC2A8;
  --mincho:'Shippori Mincho','Hiragino Mincho ProN','Yu Mincho',serif;
  --gothic:'Zen Kaku Gothic New','Hiragino Sans','Yu Gothic',sans-serif;
  --w:1120px; --read:720px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#1A1612; --paper-2:#26201A; --card:#221C17; --ink:#EFE6D6; --ink-2:#B8AA94; --line:#3D342A;
  --shu:#D46A55; --ai:#8FB0C4; --moss:#A6B387; --night:#0F0C0A; --night-fg:#F3EADA; --night-2:#B8AA94; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#1A1612; --paper-2:#26201A; --card:#221C17; --ink:#EFE6D6; --ink-2:#B8AA94; --line:#3D342A;
  --shu:#D46A55; --ai:#8FB0C4; --moss:#A6B387; --night:#0F0C0A; --night-fg:#F3EADA; --night-2:#B8AA94; color-scheme:dark}
body{background:var(--paper);color:var(--ink);font-family:var(--gothic);font-size:16px;line-height:1.95;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--paper)}
a{color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--shu);outline-offset:3px}
.wrap{max-width:var(--w);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--mincho);text-wrap:balance;line-height:1.5;margin:0}

/* header */
.site-h{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--paper);border-bottom:1px solid var(--line)}
.site-h .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;padding-block:12px}
.logo{text-decoration:none;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.logo b{font-family:var(--mincho);font-weight:800;font-size:24px;letter-spacing:.08em}
.logo span{font-size:12px;color:var(--ink-2);letter-spacing:.12em}
.nav{display:flex;flex-wrap:wrap;gap:4px 20px;font-size:14px}
.nav a{text-decoration:none;padding:4px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--shu)}

/* image placeholders */
.ph{position:relative;aspect-ratio:16/9;max-width:100%;background:
  repeating-linear-gradient(135deg,transparent 0 14px,color-mix(in srgb,var(--line) 45%,transparent) 14px 15px),var(--paper-2);
  border:1px dashed var(--line);border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;padding:16px;color:var(--ink-2);overflow:hidden}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph.has-img{border:0}
.ph-code{font-family:var(--mincho);font-weight:700;font-size:15px;letter-spacing:.06em;color:var(--ink)}
.ph-alt{font-size:12px;line-height:1.6;max-width:28em}
.ph.has-img .ph-code,.ph.has-img .ph-alt{display:none}
.ph-fig{margin:28px 0}
.ph-fig figcaption{font-size:12px;color:var(--ink-2);margin-top:6px}

/* hero */
.hero{border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;padding-block:40px 48px;align-items:start}
.hero-copy{min-width:0;display:flex;flex-direction:column;gap:20px}
.eyebrow{font-size:12px;letter-spacing:.2em;color:var(--shu);font-weight:700}
.hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:.04em}
.hero p.lead{margin:0;max-width:34em;color:var(--ink-2)}
.hero .ph{aspect-ratio:21/9}
.manyo{writing-mode:vertical-rl;font-family:var(--mincho);font-size:clamp(18px,2.2vw,24px);letter-spacing:.3em;line-height:2.2;
  border-left:1px solid var(--line);padding-left:24px;white-space:nowrap;color:var(--ink)}
.manyo small{white-space:nowrap}
.manyo small{display:block;font-size:12px;letter-spacing:.15em;color:var(--ink-2);margin-top:1.2em}
.manyo em{font-style:normal;color:var(--shu);font-weight:700}

/* sections */
.band{padding-block:48px}
.band h2.band-h{font-size:24px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.band h2.band-h small{font-family:var(--gothic);font-size:13px;color:var(--ink-2);font-weight:400}
.filters{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chips .lab{font-size:12px;color:var(--ink-2);width:4.5em}
.chip{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:3px 14px;border-radius:999px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}
.card{text-decoration:none;display:flex;flex-direction:column;gap:10px;min-width:0}
.card .ph{aspect-ratio:4/3}
.card:hover h3{color:var(--shu)}
.card h3{font-size:19px}
.meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12px;color:var(--ink-2)}
.meta .k{color:var(--shu);font-weight:700}
.card p{margin:0;font-size:14px;line-height:1.8}
.empty{color:var(--ink-2);padding:24px 0}
.dark-band{background:var(--night);color:var(--night-fg)}
.dark-band .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:32px;padding-block:48px;align-items:center}
.dark-band h2{font-size:26px}
.dark-band p{color:var(--night-2);margin:0}
.btn{display:inline-block;text-decoration:none;font-weight:700;font-size:14px;padding:10px 22px;border:1px solid currentColor;border-radius:2px;letter-spacing:.06em}
.btn.fill{background:var(--shu);border-color:var(--shu);color:#FFF8EE}
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pillar .ph{aspect-ratio:16/9;margin-bottom:6px}
.pillar{border-top:2px solid var(--ink);padding-top:14px;display:flex;flex-direction:column;gap:6px;min-width:0}
.pillar h3{font-size:18px}
.pillar p{margin:0;font-size:14px;color:var(--ink-2)}

/* coming soon & kind tiles */
.cgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 20px}
.ccard{display:flex;flex-direction:column;gap:8px;min-width:0}
.ccard .ph{aspect-ratio:16/9}
.cmeta{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.cmeta h3{font-size:18px}
.cmeta span{font-size:12px;color:var(--ink-2);font-family:var(--mincho)}
.ktiles{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:16px}
.ktile{font:inherit;color:var(--ink);background:none;border:0;padding:0;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:8px;min-width:0}
.ktile .ph{aspect-ratio:4/3}
.ktile span{font-family:var(--mincho);font-weight:700;font-size:18px;display:flex;align-items:baseline;gap:8px}
.ktile span small{font-family:var(--gothic);font-weight:400;font-size:12px;color:var(--ink-2)}
.ktile:hover span{color:var(--shu)}
.ktile .ph,.ccard .ph,.card .ph{transition:transform .4s ease}
@media (prefers-reduced-motion:no-preference){.card:hover .ph img,.ktile:hover .ph img{transform:scale(1.03);transition:transform .5s ease}}
/* article */
.art{max-width:var(--read);margin:0 auto;padding-block:28px 64px}
.crumb{font-size:13px;color:var(--ink-2);margin-bottom:18px}
.crumb a{text-decoration:none;border-bottom:1px solid var(--line)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.tag{font-size:12px;padding:2px 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2)}
.tag.k{background:var(--shu);border-color:var(--shu);color:#FFF8EE}
.art h1{font-size:clamp(26px,4.4vw,38px);font-weight:800}
.art .sub{display:block;font-family:var(--mincho);font-size:clamp(15px,2vw,19px);color:var(--ink-2);margin:6px 0 24px}
.art p{margin:0 0 16px}
.sec{margin-top:52px}
.sec>h2{font-size:23px;display:flex;align-items:baseline;gap:12px;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:20px}
.sec-num{font-family:var(--mincho);color:var(--shu);font-size:30px;font-weight:800;line-height:1}
.sec h3{font-size:18px;margin:24px 0 8px}
.sec ul,.sec ol{margin:0 0 16px;padding-left:1.3em;display:flex;flex-direction:column;gap:6px}
.myth{margin-top:36px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;background:var(--card);border:1px solid var(--line);padding:28px 28px 20px}
.myth>h2{writing-mode:vertical-rl;border:0;padding:0;margin:0;font-size:20px;letter-spacing:.25em;color:var(--moss)}
.myth p{font-family:var(--mincho);font-size:17px;line-height:2.05}
.tema{border:1px solid var(--shu);padding:20px 24px 8px;margin:24px 0;background:var(--card)}
.tema .tema-h{font-family:var(--mincho);font-weight:800;font-size:20px;color:var(--shu);margin-bottom:8px}
.point h3{display:inline-block;font-size:17px;margin:20px 0 6px;padding-bottom:2px;border-bottom:2px solid var(--line)}
.point.science h3{border-bottom-color:var(--ai);color:var(--ai)}
.point.voice h3{border-bottom-color:var(--moss);color:var(--moss)}
.point.voice p{font-family:var(--mincho);font-size:17px}
.editor{display:flex;gap:16px;align-items:flex-start;background:var(--paper-2);padding:18px 22px;margin:24px 0;border-radius:2px}
.editor-tag{flex:0 0 auto;font-size:12px;font-weight:700;background:var(--ink);color:var(--paper);padding:3px 10px;border-radius:2px;margin-top:4px}
.editor p{margin:0;font-size:15px;line-height:1.9;min-width:0}
.real{background:var(--night);color:var(--night-fg);padding:28px;border-radius:2px}
.real>h2{border-bottom-color:color-mix(in srgb,var(--night-fg) 25%,transparent)}
.real .sec-num{color:#E8A08F}
.real p{color:var(--night-2)}
.real a{color:var(--night-fg)}
.real .official{list-style:none;padding:0}
.real .official li::before{content:"▶ ";color:#E8A08F}
.real .note{font-size:13px}
.sources{margin-top:16px;font-size:13px;color:var(--night-2)}
.sources summary{cursor:pointer}
.sources ul{margin-top:10px;padding-left:1.2em;display:flex;flex-direction:column;gap:4px;word-break:break-all}
.sources a{color:var(--night-2)}
.next{max-width:var(--read);margin:0 auto 64px}
.next .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.next h2{font-size:20px;margin-bottom:16px}

/* pages */
.page{max-width:var(--read);margin:0 auto;padding-block:32px 72px}
.page h1{font-size:clamp(26px,4vw,34px);margin-bottom:8px}
.page h2{font-size:21px;margin:40px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.page p{margin:0 0 14px}
.page ol,.page ul{padding-left:1.3em;display:flex;flex-direction:column;gap:6px;margin:0 0 16px}
.quote{font-family:var(--mincho);font-size:18px;border-left:3px solid var(--shu);padding:4px 0 4px 18px;margin:20px 0}
.dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 20px;margin:0}
.dl dt{color:var(--ink-2)}
.dl dd{margin:0}
form{display:flex;flex-direction:column;gap:16px;background:var(--card);border:1px solid var(--line);padding:24px}
.f{display:flex;flex-direction:column;gap:6px}
.f label{font-weight:700;font-size:14px}
.f label .req{color:var(--shu);font-size:12px;margin-left:8px}
.f label .opt{color:var(--ink-2);font-size:12px;margin-left:8px;font-weight:400}
.f input,.f select,.f textarea{font:inherit;font-size:15px;padding:8px 10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:2px;width:100%;box-sizing:border-box}
.f textarea{min-height:140px;resize:vertical}
.form-note{font-size:13px;color:var(--ink-2);margin:0}
.done{border:1px solid var(--moss);padding:16px 20px;background:var(--card)}

.site-f{border-top:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.site-f .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;padding-block:28px 40px}
.site-f nav{display:flex;gap:16px;flex-wrap:wrap}

@media (max-width:880px){
  .cgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ktiles{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid,.pillars{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dark-band .wrap{grid-template-columns:1fr}
  .hero .wrap{grid-template-columns:1fr}
  .manyo{writing-mode:horizontal-tb;height:auto;border-left:0;border-top:1px solid var(--line);padding:16px 0 0;letter-spacing:.12em;line-height:1.8;white-space:normal}
}
@media (max-width:560px){
  .ktiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid,.pillars,.next .grid{grid-template-columns:1fr}
  .myth{grid-template-columns:1fr;padding:20px}
  .myth>h2{writing-mode:horizontal-tb;letter-spacing:.1em}
  .editor{flex-direction:column;gap:8px}
  .real{padding:20px}
  .logo b{font-size:21px}
}
@media (prefers-reduced-motion:no-preference){.view{animation:fade .35s ease both}@keyframes fade{from{opacity:.4}to{opacity:1}}}

.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card[hidden]{display:none!important}
.form-ok{border:1px solid var(--moss);padding:16px 20px;background:var(--card)}

.mitate p{margin:0 0 14px}.mitate-h{display:block;font-size:14px;color:var(--ink);margin-bottom:2px}.mitate-by{font-size:13px;opacity:.8;border-top:1px solid currentColor;padding-top:10px;margin-top:18px}