:root{--ink:#2B1D1A;--muted:#6B5A55;--line:#E6DACB;--cream:#FFF8EC;--accent:#F99736;--accent-soft:#FFE9CF;--focus:#B3470A;--page:960px;--sys:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Noto Sans JP",Meiryo,sans-serif;--black:"TAYA Black",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Noto Sans JP",Meiryo,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;color-scheme:light}
body{margin:0;background:#fff;color:var(--ink);font:400 15px/1.6 var(--sys);line-break:strict;overflow-wrap:break-word}
body.lock{overflow:hidden}
button,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
h1,h2,h3,p,ol{margin:0}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);border:0;white-space:nowrap}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.ph{display:inline-block}

.wrap{max-width:var(--page);margin:0 auto;padding-left:calc(16px + env(safe-area-inset-left));padding-right:calc(16px + env(safe-area-inset-right))}
header{padding-top:24px}
.masthead{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}
.wordmark{font-size:13px;font-weight:700;letter-spacing:.16em;line-height:1.6}
.title{margin-top:16px}
.title img{width:100%;max-width:560px;height:auto}
.sub18{margin-top:16px;font-family:var(--black);font-size:18px;font-weight:900;line-height:1.4}
.guide{display:flex;align-items:flex-start;gap:16px;margin-top:16px}
.guide-img{width:80px;height:auto;flex:none}
.intro{font-size:15px;line-height:1.6;color:var(--muted);max-width:560px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 16px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.4;border:1px solid var(--line);text-decoration:none;background:var(--cream);color:var(--ink)}
.btn svg{width:16px;height:16px;flex:none}
.btn.primary,.btn.secondary{background:var(--accent);border:2px solid var(--ink);color:var(--ink)}
.btn.primary{width:100%}
.btn.secondary{width:100%;padding:0 8px}
.btn.is-done{background:var(--accent-soft)}
.btn.quiet{min-width:72px}

.sets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}
.set{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:64px;padding:8px 4px;border:2px solid var(--ink);border-radius:16px;background:#fff;color:var(--ink);text-align:center}
.set b{font-family:var(--black);font-size:15px;font-weight:900;line-height:1.4;white-space:nowrap}
.set small{font-size:13px;line-height:1.6;white-space:nowrap}
.set[aria-pressed="true"]{background:var(--ink);color:#fff}
#main{padding-bottom:24px}
.gh{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:48px 0 16px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.gh h2{font-family:var(--black);font-size:18px;font-weight:900;line-height:1.4}
.gh span{font-size:13px;line-height:1.6;color:var(--muted);white-space:nowrap}

.list{display:grid;grid-auto-flow:column;grid-template-columns:repeat(var(--cols,2),minmax(0,1fr));grid-template-rows:repeat(var(--rows,1),auto);gap:16px}
.card{display:flex;flex-direction:column;margin:0;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.card-open{display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;width:100%;padding:0;border:0;background:none;text-align:left;flex:1}
.thumb{position:relative;display:block;width:100%;aspect-ratio:var(--ar);flex:none;background:var(--cream);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:center top}
.panel{position:absolute;inset:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;padding:16px;background:var(--cream);overflow:hidden;color:var(--ink)}
.panel.fail{align-items:center;justify-content:center;text-align:center;color:var(--muted)}
.panel svg{width:24px;height:24px;flex:none}
.panel .pt{font-size:13px;font-weight:700;line-height:1.6}
.panel .ps{font-size:13px;line-height:1.6;color:var(--muted)}
.panel .pq .ln{display:block}
.panel .pq{font-size:13px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left}
.panel mark,.pbox mark{background:var(--accent-soft);color:var(--ink);padding:0 2px 0 4px;border-radius:8px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.ctext{display:block;padding:8px 8px 0}
.no{display:block;font-size:13px;font-weight:700;line-height:1.6;color:var(--muted)}
.era{display:block;margin-top:8px;font-family:var(--black);font-size:15px;font-weight:900;line-height:1.6}
.theme{display:block;font-size:13px;line-height:1.6;color:var(--muted)}
.card-foot{padding:8px}

.pbox{padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--cream);font-size:15px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;line-break:strict;text-align:left;-webkit-user-select:text;user-select:text}
.hint{margin-top:8px;font-size:13px;line-height:1.6;color:var(--muted)}

dialog{padding:0;border:0;color:var(--ink);background:#fff}
dialog::backdrop{background:rgba(43,29,26,.5)}
#detail{position:fixed;inset:16px 0 0 0;margin:0;width:100%;max-width:100%;height:calc(100dvh - 16px);max-height:none;border-radius:16px 16px 0 0;overflow:auto;overscroll-behavior:contain}
#detail[open],#howto[open]{display:flex;flex-direction:column}
.sheet-top{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:8px 16px;background:#fff;border-bottom:1px solid var(--line);flex:none}
.sheet-tab{font-size:13px;line-height:1.6;color:var(--muted)}
.sheet-body{flex:1;padding:16px 16px 24px}
.dimg{width:100%;max-width:480px;margin:0 auto;border:1px solid var(--line);border-radius:16px;background:var(--cream);overflow:hidden}
.dimg img{width:100%;height:auto;max-height:60dvh;object-fit:contain}
.dimg .panel{position:static;min-height:240px;height:auto}
.sheet-title{margin-top:24px;font-family:var(--black);font-size:18px;font-weight:900;line-height:1.4}
.how{margin-top:8px;font-size:13px;line-height:1.6;color:var(--muted)}
.acc{margin-top:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.acc summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:0 16px;font-family:var(--black);font-size:15px;font-weight:900;line-height:1.4;list-style:none;cursor:pointer}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"";width:8px;height:8px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);margin-top:-4px;flex:none}
.acc[open] summary::after{transform:rotate(225deg);margin-top:4px}
.acc .pbox{margin:0 16px 16px}
.dlast{height:80px}
.copybar{position:sticky;bottom:0;padding:16px calc(16px + env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));background:#fff;border-top:1px solid var(--line);flex:none}
#howto{position:fixed;inset:0;margin:auto;width:min(480px,calc(100% - 32px));height:fit-content;max-height:calc(100dvh - 32px);border-radius:16px;overflow:auto}
.howto-list{padding:16px 16px 24px 40px;font-size:15px;line-height:1.8}
.howto-list li+li{margin-top:8px}
dialog:focus{outline:none}
.foot{padding-top:24px;padding-bottom:calc(48px + env(safe-area-inset-bottom))}
.noscript{padding:16px;font-size:13px}

@media (min-width:640px){
  .sets{max-width:480px}
  #detail{inset:0;margin:auto;width:640px;height:fit-content;max-height:calc(100dvh - 64px);border-radius:16px}
  .sheet-body{padding:16px 24px 24px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}