:root{--paper:#f6f0e0;--line:#e3d9bf;--ink:#2a2a33;--red:#c4402a;--blue:#2f4b6e;--mute:#6b6658;--card:#fffaf0}
@media (prefers-color-scheme:dark){:root{--paper:#1f1e22;--line:#2f2d33;--ink:#ece6d6;--red:#ee7a62;--blue:#8fb0d8;--mute:#a49f90;--card:#27252b}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.9 "Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;
background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:28px 28px}
.wrap{max-width:720px;margin:0 auto;padding:16px 16px 48px}
a{color:var(--blue)}
.top a{font-size:14px}
header.hero{padding:24px 0 8px}
h1{font-family:"Hiragino Mincho ProN","Noto Serif JP",serif;font-size:30px;line-height:1.4;margin:8px 0}
h2{font-family:"Hiragino Mincho ProN","Noto Serif JP",serif;font-size:20px;border-bottom:2px solid var(--red);padding-bottom:4px;margin-top:36px}
.sub{color:var(--mute);font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:14px 16px;margin:12px 0}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:600px){.grid{grid-template-columns:1fr 1fr}}
.grid a.card{text-decoration:none;color:inherit;display:block}
.grid a.card:hover{border-color:var(--red)}
.tag{display:inline-block;font-size:12px;color:var(--red);border:1px solid var(--red);border-radius:3px;padding:0 6px;margin-right:6px}
.badge{font-size:12px;color:var(--mute);border:1px solid var(--mute);border-radius:3px;padding:0 6px}
.q{font-family:"Hiragino Mincho ProN","Noto Serif JP",serif;font-size:19px}
.one{background:var(--card);border-left:5px solid var(--red);padding:10px 14px;font-weight:bold;margin:20px 0}
.step h3{font-size:17px;margin:18px 0 0;color:var(--blue)}
.step p{margin:4px 0}
figure{margin:16px 0;text-align:center}figure svg,figure img{max-width:100%;height:auto}
table{border-collapse:collapse;width:100%;font-size:15px}td,th{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.notice{font-size:14px;color:var(--mute);border:1px dashed var(--mute);padding:8px 12px;margin-top:28px}
button.opt{display:block;width:100%;text-align:left;margin:6px 0;padding:10px 12px;font:inherit;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:6px;cursor:pointer}
button.opt:hover{border-color:var(--red)}
.ok{color:var(--blue);font-weight:bold}.ng{color:var(--red);font-weight:bold}
footer{margin-top:48px;font-size:13px;color:var(--mute);border-top:1px solid var(--line);padding-top:12px}

/* ===== たのしさ強化 ===== */
:root{--cA:#c4402a;--cB:#2f4b6e;--cC:#3f7d4f;--cD:#1f7f8e;--cE:#c98a1b;--cF:#7a4d8f;--cG:#c4567a;--cH:#a85a1a;--gold:#e8b630;--gold2:#c48f12}
@media (prefers-color-scheme:dark){:root{--cA:#ee7a62;--cB:#8fb0d8;--cC:#79c28a;--cD:#5fc3d2;--cE:#f0b84a;--cF:#c39ae0;--cG:#ee8fb0;--cH:#e9965a;--gold:#f0c34a;--gold2:#b8860b}}
.p-A{--pc:var(--cA)}.p-B{--pc:var(--cB)}.p-C{--pc:var(--cC)}.p-D{--pc:var(--cD)}.p-E{--pc:var(--cE)}.p-F{--pc:var(--cF)}.p-G{--pc:var(--cG)}.p-H{--pc:var(--cH)}
.tag{color:var(--pc,var(--red));border-color:var(--pc,var(--red))}
#prog{position:fixed;top:0;left:0;height:5px;width:0;background:linear-gradient(90deg,var(--gold),var(--red));z-index:9;transition:width .1s}
.hero2{display:flex;align-items:center;gap:16px;padding:20px 0 4px}
.hero2 .coins{flex:0 0 96px}
.hero2 h1{margin:0}
.coin{transform-origin:50% 100%;animation:bob 3s ease-in-out infinite}
.coin.c2{animation-delay:-1s}.coin.c3{animation-delay:-2s}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-7px) rotate(3deg)}}
.tools{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 4px}
.chip,.dice{font:inherit;font-size:14px;line-height:1;padding:9px 14px;border-radius:999px;border:2px solid var(--pc,var(--ink));background:var(--card);color:var(--ink);cursor:pointer;transition:transform .15s,background .15s}
.chip:hover,.dice:hover{transform:translateY(-2px) rotate(-1.5deg)}
.chip.on{background:var(--pc,var(--ink));color:var(--paper);font-weight:bold}
.chip.all{--pc:var(--ink)}
.dice{background:var(--gold);border-color:var(--gold2);color:#2a2a33;font-weight:bold;box-shadow:0 3px 0 var(--gold2)}
.dice:active{transform:translateY(3px);box-shadow:none}
.count{font-size:13px;color:var(--mute);margin:4px 0 0}
.grid a.card{position:relative;overflow:hidden;padding:16px 16px 14px 62px;border:2px solid var(--line);border-left:6px solid var(--pc,var(--red));box-shadow:0 3px 0 var(--line);transition:transform .18s,box-shadow .18s,border-color .18s;animation:pop .45s both}
.grid a.card:hover{transform:translateY(-4px) rotate(-.6deg);box-shadow:0 8px 0 var(--pc,var(--red));border-color:var(--pc,var(--red))}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
.medal{position:absolute;left:12px;top:14px;width:36px;height:36px;border-radius:50%;background:var(--pc);color:var(--paper);display:flex;align-items:center;justify-content:center;font:bold 16px/1 "Hiragino Mincho ProN","Noto Serif JP",serif;box-shadow:inset 0 0 0 3px var(--paper),inset 0 0 0 4px var(--pc)}
.grid a.card .q{font-size:18px;line-height:1.5;margin:4px 0 2px}
.grid a.card.hit{animation:flash 1s}
@keyframes flash{0%,100%{background:var(--card)}30%{background:var(--gold)}}
h2{display:flex;align-items:center;gap:10px;border-bottom:none;position:relative;padding-bottom:6px}
h2::before{content:"";flex:0 0 22px;height:22px;border-radius:50%;background:var(--gold);box-shadow:inset 0 0 0 3px var(--gold2),0 2px 0 var(--gold2)}
h2::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:2px;background:repeating-linear-gradient(90deg,var(--pc,var(--red)) 0 10px,transparent 10px 16px)}
.hero.ch{padding:20px 18px 12px;margin-top:10px;background:var(--card);border:2px solid var(--pc);border-radius:14px;box-shadow:0 5px 0 var(--pc)}
.hero.ch h1{margin-top:12px}
.hero.ch .q{color:var(--pc);margin:6px 0 0}
.read{font-size:12px;color:var(--mute);margin-left:6px}
figure{background:var(--card);border:2px dashed var(--line);border-radius:14px;padding:10px}
.steps{counter-reset:s;position:relative}
.step{position:relative;margin:0;padding:6px 0 14px 54px;animation:pop .5s both}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:10px;width:38px;height:38px;border-radius:50%;background:var(--pc);color:var(--paper);display:flex;align-items:center;justify-content:center;font:bold 18px/1 "Hiragino Mincho ProN",serif;box-shadow:0 3px 0 rgba(0,0,0,.25)}
.step::after{content:"";position:absolute;left:18px;top:50px;bottom:-4px;width:3px;background:repeating-linear-gradient(var(--pc) 0 5px,transparent 5px 10px)}
.step:last-child::after{display:none}
.one{position:relative;border:3px solid var(--pc);border-left-width:3px;border-radius:16px;padding:14px 16px;background:var(--card);box-shadow:4px 5px 0 var(--pc);transform:rotate(-.6deg);font-size:18px}
.one::before{content:"ここがポイント";position:absolute;top:-13px;left:14px;background:var(--pc);color:var(--paper);font-size:12px;padding:2px 10px;border-radius:999px}
button.opt{border:2px solid var(--line);border-radius:12px;box-shadow:0 3px 0 var(--line);transition:transform .12s,box-shadow .12s,background .2s}
button.opt:hover{transform:translateY(-2px);border-color:var(--pc,var(--red))}
button.opt:active{transform:translateY(3px);box-shadow:none}
button.opt.right{background:var(--cC);color:#fff;border-color:var(--cC);animation:yay .5s}
button.opt.wrong{animation:shake .4s;border-color:var(--red)}
@keyframes yay{40%{transform:scale(1.04) rotate(-1deg)}}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.res{margin-top:8px;font-size:15px}
.next{display:flex;gap:10px;margin:32px 0 0}
.next a{flex:1;text-decoration:none;color:var(--ink);background:var(--card);border:2px solid var(--pc,var(--line));border-radius:12px;padding:10px 14px;box-shadow:0 3px 0 var(--pc,var(--line));font-size:14px;transition:transform .15s}
.next a:hover{transform:translateY(-3px)}
.next a b{display:block;font-size:12px;color:var(--mute);font-weight:normal}
.next a.r{text-align:right}
.coinfx{position:fixed;width:22px;height:22px;border-radius:50%;background:var(--gold);box-shadow:inset 0 0 0 3px var(--gold2);pointer-events:none;z-index:10;animation:fly 1s ease-out forwards}
@keyframes fly{to{transform:translate(var(--dx),var(--dy)) rotate(540deg);opacity:0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:480px){.hero2 .coins{flex-basis:64px}.hero2 h1{font-size:24px}}
.read,.badge,.tag{white-space:nowrap}

/* ===== 第2版：ヘッダーを細く、中身を前に ===== */
.slim{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 0 4px}
.slim .mini{width:34px;height:34px;animation:bob 3s ease-in-out infinite}
.slim h1{font-size:24px;margin:0}
.slim .sub{font-size:13px}
.todaycard{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);background:var(--card);border:2px solid var(--pc);border-radius:12px;padding:10px 14px;margin:10px 0;box-shadow:0 4px 0 var(--pc);transition:transform .15s}
.todaycard:hover{transform:translateY(-2px)}
.todaycard .lab{flex:none;background:var(--pc);color:var(--paper);font-size:12px;font-weight:bold;padding:3px 10px;border-radius:999px}
.todaycard .tq{flex:1;font-family:"Hiragino Mincho ProN","Noto Serif JP",serif;font-size:16px;line-height:1.5}
.todaycard .go{flex:none;color:var(--pc);font-size:13px;font-weight:bold}
.toycard{background:var(--card);border:2px dashed var(--gold2);border-radius:12px;padding:12px 14px;margin:10px 0}
.toyh{font-weight:bold;font-size:15px;margin-bottom:4px}
.toycard label{display:flex;align-items:center;gap:8px;font-size:14px;line-height:2}
.toycard label b{min-width:3em}
.toycard input[type=range]{flex:1;accent-color:var(--gold2)}
.bar{height:22px;background:var(--line);border-radius:11px;overflow:hidden;margin:6px 0}
.fill{height:100%;background:linear-gradient(90deg,var(--gold2),var(--gold));border-radius:11px;transition:width .2s}
.out{font-size:16px;font-weight:bold}
.small{font-size:12px;line-height:1.6;margin:6px 0 0}
.tools{margin:10px 0 2px}
.chip{padding:6px 11px;font-size:13px;border-width:1.5px}
.dice{padding:6px 12px;font-size:13px}
.grid{gap:10px}
.grid a.card{padding:10px 12px 10px 54px;margin:0}
.grid a.card .q{font-size:16px;margin:2px 0 0}
.grid a.card .sub{font-size:13px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.medal{left:10px;top:10px;width:32px;height:32px;font-size:15px}
.hero.ch{padding:10px 14px 8px;border-width:0 0 0 6px;border-radius:0;box-shadow:none;background:transparent;border-left:6px solid var(--pc);margin-top:4px}
.hero.ch h1{font-size:24px;margin:6px 0 2px}
.hero.ch .q{font-size:16px;margin:2px 0}
figure{padding:4px;margin:10px 0}figure img{max-height:150px}
@media(max-width:560px){.todaycard{flex-wrap:wrap;gap:6px 10px}.todaycard .tq{flex:1 0 100%;order:3;font-size:15px}.todaycard .go{margin-left:auto}.toycard label{white-space:nowrap}.toycard label b{min-width:2.6em}}
.out2{font-size:14px;margin-top:4px}

/* ===== 第3版：お金のまち ===== */
body{background-color:var(--paper)}
.town{position:relative;margin:8px 0 14px;border-radius:20px;overflow:hidden;border:3px solid var(--ink);box-shadow:0 6px 0 var(--ink);background:linear-gradient(180deg,#3e6aa8 0%,#8fb8d8 52%,#f3dba0 100%);color:#fff}
.townhead{padding:16px 18px 0;position:relative;z-index:2}
.townhead h1{font-size:30px;margin:0;color:#fff;text-shadow:0 2px 0 rgba(0,0,0,.25)}
.townhead p{margin:2px 0 0;font-size:14px;line-height:1.6;color:#eef4ff}
.townsvg{display:block;width:100%;height:auto;margin-top:-6px}
.cloud{animation:drift 26s linear infinite alternate}.cloud.c2{animation-duration:34s;animation-direction:alternate-reverse}
@keyframes drift{from{transform:translateX(-30px)}to{transform:translateX(60px)}}
.bld{cursor:pointer;outline:none}
.bld .bi{transition:transform .2s;transform-box:fill-box;transform-origin:50% 100%}
.bld:hover .bi,.bld:focus-visible .bi{transform:translateY(-8px) rotate(-1.5deg)}
.bld.on .bi{animation:hop .7s}
.bld.on rect[rx="20"]{stroke:#fff;stroke-width:4}
.bld:focus-visible rect[rx="20"]{stroke:#fff;stroke-width:4}
@keyframes hop{30%{transform:translateY(-14px)}60%{transform:translateY(0)}80%{transform:translateY(-5px)}}
.sprout{transform-box:fill-box;transform-origin:50% 100%;animation:grow 3.2s ease-in-out infinite}
@keyframes grow{0%,100%{transform:scale(.92)}50%{transform:scale(1.06)}}
.townnote{background:rgba(255,250,240,.96);color:#2a2a33;padding:10px 16px;font-size:14px;line-height:1.7;border-top:3px solid var(--ink);min-height:3.4em}
.todaycard{margin:14px 0}
/* カードにサムネイル */
.grid a.card{padding:0;border-left-width:2px;display:flex;flex-direction:column;overflow:hidden}
.thumb{position:relative;height:104px;background:radial-gradient(circle,color-mix(in srgb,var(--pc) 30%,transparent) 1.5px,transparent 2px) 0 0/14px 14px,color-mix(in srgb,var(--pc) 13%,#fffaf0);border-bottom:2px solid var(--pc);display:flex;align-items:center;justify-content:center}
.thumb img{height:88px;max-width:90%;width:auto;transition:transform .25s}
.grid a.card:hover .thumb img{transform:scale(1.08) rotate(-2deg)}
.thumb .medal{left:10px;top:10px}
.cb{padding:10px 14px 12px}
.grid a.card .q{margin-top:6px}
.grid{gap:14px}
@media(min-width:600px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.townhead h1{font-size:25px}.townhead p{font-size:13px}.townnote{font-size:13px}}

/* ===== 第4版：画面の横いっぱいに貫通 ===== */
html,body{overflow-x:hidden}
.town{width:100vw;margin:0 0 14px calc(50% - 50vw);border-radius:0;border-width:3px 0;box-shadow:0 5px 0 var(--ink)}
.townhead.in{max-width:720px;margin:0 auto;padding:18px 16px 0}
.townsvg{width:100%;max-width:820px;margin:-6px auto 0;overflow:visible}
.townnote.in{padding-inline:max(16px,calc(50vw - 360px))}
.cloud.c3{animation-duration:40s}.cloud.c4{animation-duration:46s;animation-direction:alternate-reverse}
@media(min-width:900px){.townhead.in h1{font-size:36px}}
/* ヒーローを最上部まで */
body[data-page="index"] .wrap{padding-top:0}
body[data-page="index"] .town{margin-top:0;border-top:0}
.backpill{position:absolute;top:10px;left:max(12px,calc(50vw - 360px));z-index:3;font-size:12px;line-height:1;color:#fff;background:rgba(20,30,50,.45);padding:7px 12px;border-radius:999px;text-decoration:none;backdrop-filter:blur(2px)}
.backpill:hover{background:rgba(20,30,50,.7)}
body[data-page="index"] .townhead.in{padding-top:48px}

/* ===== 第5版：Codex挿絵 ===== */
.thumb{height:auto;aspect-ratio:3/2;display:block;background:var(--card)}
.thumb img{width:100%;height:100%;max-width:none;object-fit:cover;display:block}
.grid a.card:hover .thumb img{transform:scale(1.05)}
.thumb{overflow:hidden}
.thumb .medal{box-shadow:0 2px 0 rgba(0,0,0,.3),inset 0 0 0 3px var(--paper)}
figure{padding:0;overflow:hidden;border:3px solid var(--ink);border-radius:14px;box-shadow:0 4px 0 var(--ink);background:var(--card)}
figure img{max-height:none;width:100%;display:block}
figcaption{font-size:11px;color:var(--mute);text-align:right;padding:3px 10px;background:var(--card)}
.bld .bi image{filter:drop-shadow(0 3px 0 rgba(0,0,0,.22))}
/* v6 カテゴリ見出し */
.groups{display:block}
.pgroup{margin:28px 0 8px}
.pgroup:first-child{margin-top:8px}
.ph{display:flex;align-items:center;gap:10px;font-size:20px;margin:0 0 12px;padding-bottom:8px;border-bottom:3px solid var(--pc,var(--ink))}
.ph .pm{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--pc,var(--ink));color:var(--paper);font-size:14px}
.ph small{margin-left:auto;font-size:13px;font-weight:normal;color:var(--muted,#777)}
/* v7 一覧を広く・3列 */
body[data-page="index"] .wrap{max-width:1120px}
body[data-page="index"] .townhead.in{max-width:1120px}
@media(min-width:900px){body[data-page="index"] .grid{grid-template-columns:repeat(3,1fr);gap:16px}}
@media(min-width:1280px){body[data-page="index"] .wrap,body[data-page="index"] .townhead.in{max-width:1240px}body[data-page="index"] .grid{grid-template-columns:repeat(4,1fr)}}
/* v8 コラム */
.column{margin:28px 0 8px;padding-top:6px}
.column h3{font-size:18px;margin:26px 0 8px;padding-left:10px;border-left:4px solid var(--pc,var(--red))}
.column p{line-height:2;margin:0 0 14px}
.column p.lead{font-size:17px;line-height:2;padding:14px 16px;background:var(--card);border-left:4px solid var(--pc,var(--red));border-radius:4px}
.column .cbox{margin:18px 0;padding:12px 16px;background:var(--card);border:1px dashed var(--pc,var(--ink));border-radius:6px}
.column .cbox p{margin:6px 0 0;line-height:1.9}