/* 作り直した記事の型（水平思考ほか・2026-10-20）。色はサイトの4色：黒・白・赤・黄 */
.k-art{max-width:720px;font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN",sans-serif}
.k-art :target,.k-art [id]{scroll-margin-top:72px}

/* 題名：大きすぎず太すぎず */
.k-head{margin:14px 0 22px}
.k-head h1{font-size:clamp(21px,3.4vw,27px);font-weight:700;line-height:1.5;letter-spacing:.01em;margin:6px 0 12px}
.k-facts{list-style:none;padding:0;margin:0 0 8px;display:flex;flex-wrap:wrap;gap:6px}
.k-facts li{border:2px solid #000;padding:2px 9px;font-size:13px;font-weight:700}
.k-facts li:first-child{background:#ffe600}
.k-head .meta{margin:0 0 14px;font-size:12px}
.k-head .k-eye{display:block;width:100%;height:auto;border:3px solid #000}

/* 前置き */
.k-lead,.k-prose{font-size:16.5px;line-height:1.95}
.k-lead p,.k-prose p{margin:0 0 1em}
.k-quote{margin:0 0 20px;padding:14px 18px;border-left:6px solid #e60012;background:#f2f2f2;font-size:17px;font-weight:700;line-height:1.8}
.k-guide{border:3px solid #000;margin:22px 0}
.k-guide-h{margin:0!important;background:#000;color:#fff;font-weight:700;font-size:14px;padding:6px 14px}
.k-guide ul{margin:0;padding:12px 16px 12px 34px}
.k-guide li{margin:4px 0}
.k-guide > p:not(.k-guide-h){padding:12px 16px;margin:0!important}
.k-how{font-size:14px;margin:18px 0 8px}

/* 問題へとぶ */
.k-jump{border-top:3px solid #000;border-bottom:3px solid #000;padding:12px 0 14px;margin:8px 0 28px}
.k-jump-t{font-weight:700;font-size:14px;margin:0 0 8px}
.k-jump-h{font-size:13px;font-weight:700;margin:10px 0 6px}
.k-jump-n{display:flex;flex-wrap:wrap;gap:5px}
.k-jump-n a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:2px solid #000;text-decoration:none;color:#000;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:15px}
.k-jump-n a:hover{background:#000;color:#fff}

/* 問題のまとまり */
.k-group{margin:0 0 40px}
.k-group-h{margin:0 0 4px}
.k-group-h h2{margin:0;background:#000;color:#fff;font-size:19px;font-weight:700;line-height:1.5;padding:10px 16px}
.k-group-h p{margin:8px 0 0;font-size:14px}

/* 問題のカード（ここがページの主役） */
.k-q{border:3px solid #000;margin:18px 0;background:#fff}
.k-q-top{display:flex;align-items:stretch;border-bottom:2px solid #000}
.k-no{flex:0 0 52px;display:flex;align-items:center;justify-content:center;background:#e60012;color:#fff;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:22px;min-height:48px}
.k-q-top h3{margin:0;padding:10px 14px;font-size:17px;font-weight:700;line-height:1.5;align-self:center}
.k-e{margin:0;border-bottom:2px solid #000}
.k-e img{display:block;width:100%;height:auto}
.k-q-text{margin:0;padding:16px 18px 6px;font-size:17px;line-height:1.9;font-weight:500}
.k-open{padding:10px 18px 18px;display:flex;flex-direction:column;gap:8px}
.k-open summary{list-style:none;cursor:pointer;display:inline-block;font-weight:700;font-size:15px;padding:8px 16px;border:2px solid #000;user-select:none}
.k-open summary::-webkit-details-marker{display:none}
.k-hint summary{background:#fff;color:#000}
.k-hint summary::before{content:"＋ "}
.k-hint[open] summary::before{content:"－ "}
.k-hint > div{margin-top:8px;background:#ffe600;border:2px solid #000;padding:12px 14px;font-size:15.5px;line-height:1.8}
.k-ans summary{background:#000;color:#fff}
.k-ans[open] summary{background:#e60012;border-color:#e60012}
.k-ans > div{margin-top:8px;background:#000;color:#fff;padding:14px 16px}
.k-a{margin:0;font-size:16.5px;line-height:1.85;font-weight:500}
.k-a::before{content:"答え";display:inline-block;background:#ffe600;color:#000;font-size:12px;padding:1px 8px;margin-right:8px;vertical-align:2px}
.k-ex{margin-top:10px;font-size:15px;line-height:1.85;color:#ddd}
.k-ex p{margin:0 0 .6em}
.k-ans a{color:#ffe600}

/* まとめ・よくある質問・関連 */
.k-prose{margin:36px 0}
.k-prose h2,.k-art > h2{font-size:20px;font-weight:700;line-height:1.5;border-left:8px solid #e60012;padding:2px 0 2px 12px;margin:36px 0 14px}
.k-prose h3{font-size:17px;font-weight:700;margin:24px 0 8px}
.k-prose table{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0}
.k-prose th,.k-prose td{border:2px solid #000;padding:8px 10px;text-align:left;vertical-align:top}
.k-prose th{background:#f2f2f2;white-space:nowrap}
.k-prose ul{padding-left:1.4em}
.k-faq details{border:2px solid #000;margin:8px 0}
.k-faq summary{padding:10px 14px;font-weight:700;cursor:pointer}
.k-faq details > div{padding:0 14px 12px;line-height:1.85}
.k-rel h3{font-size:18px;font-weight:700;margin:36px 0 10px}

@media (max-width:480px){
  .k-q-text{font-size:16.5px;padding:14px 14px 4px}
  .k-open{padding:10px 14px 16px}
  .k-jump-n a{width:36px;height:36px;font-size:14px}
}
.k-jump-n a{min-width:40px;width:auto;padding:0 4px}
.k-jump-g{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.k-jump-g a{border:2px solid #000;padding:10px 12px;text-decoration:none;color:#000;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:6px}
.k-jump-g a span{font-size:13px;color:#e60012}
.k-jump-g a:hover{background:#000;color:#fff}
.k-jump-g a span{white-space:nowrap}
.k-q-text + .k-choice,.k-choice{list-style:none;margin:6px 18px 4px;padding:0;border:2px solid #000}
.k-choice li{padding:9px 12px;border-bottom:1px solid #000;font-size:16px;line-height:1.7}
.k-choice li:last-child{border-bottom:0}
.k-q-text:empty{display:none}
.k-who{display:inline-block;min-width:2.2em;margin-right:8px;background:#000;color:#fff;text-align:center;font-size:14px;padding:0 6px}

/* 3択クイズの遊ぶ箱（kq） */
.kq{border:4px solid #000;margin:30px 8px 40px 0;background:#fff;scroll-margin-top:64px;box-shadow:8px 8px 0 #e60012;position:relative}
.kq::before{content:"Q クイズ　ここで遊べます";display:block;background:#000;color:#ffe600;font-weight:700;font-size:15px;letter-spacing:.06em;padding:7px 16px}
#kq-play{background:#fffbd6}
.kq-q{background:#fff;border:3px solid #000;padding:14px 16px}
.kq-screen{padding:20px 18px 22px}
#kq-start{background:#ffe600}
.kq-st-tag{display:inline-block;margin:0 0 10px;background:#e60012;color:#fff;font-weight:700;font-size:14px;padding:2px 12px}
.kq-st-t{margin:0 0 6px;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:30px;line-height:1.25}
.kq-st-s{margin:0 0 16px;font-weight:700;font-size:15px}
#kq-go{width:100%;background:#e60012;border-color:#000;color:#fff;font-size:24px;padding:16px 10px;box-shadow:5px 5px 0 #000}
#kq-go:hover{background:#000;border-color:#000}
#kq-go:active{transform:translate(3px,3px);box-shadow:2px 2px 0 #000}
.kq-time{margin-top:22px;padding-top:16px;border-top:3px dashed #000}
.kq-time-h{margin:0 0 10px;font-weight:700;font-size:16px}
.kq-time .kq-b2{width:100%}
.kq-nm{display:block;font-size:14px;font-weight:700;margin:0 0 10px}
.kq-nm input{display:block;width:100%;margin-top:4px;font:500 16px "Zen Kaku Gothic New",sans-serif;border:3px solid #000;padding:10px 12px;background:#fff}
.kq-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
.kq-b{font:700 16px "Zen Kaku Gothic New",sans-serif;border:3px solid #000;padding:13px 10px;cursor:pointer;text-align:center;text-decoration:none;display:block;line-height:1.4}
.kq-b1{background:#fff;color:#000}
.kq-b2{background:#000;color:#fff}
.kq-b:hover{background:#e60012;border-color:#e60012;color:#fff}
.kq-note{font-size:13px;margin:12px 0 0;line-height:1.7}
.kq-top{display:flex;justify-content:space-between;font-weight:700;font-size:14px}
.kq-timer{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;color:#e60012}
.kq-bar{height:6px;background:#f2f2f2;border:1px solid #000;margin:8px 0 16px}
.kq-bar i{display:block;height:100%;background:#e60012;width:0;transition:width .25s}
.kq-lv{display:inline-block;background:#000;color:#fff;font-size:12px;font-weight:700;padding:1px 8px;margin-bottom:8px}
.kq-q{margin:0 0 16px;font-size:19px;line-height:1.75;font-weight:700}
.kq-img{display:block;width:100%;height:auto;border:2px solid #000;margin:0 0 14px}
.kq-choices{display:grid;gap:8px}
.kq-c{font:500 17px "Zen Kaku Gothic New",sans-serif;text-align:left;background:#fff;color:#000;border:3px solid #000;padding:13px 14px;cursor:pointer;line-height:1.5}
.kq-c:hover:not(:disabled){background:#f2f2f2}
.kq-c:disabled{cursor:default}
.kq-c.is-ok{background:#ffe600;font-weight:700}
.kq-c.is-ok::before{content:"○ "}
.kq-c.is-ng{background:#000;color:#fff}
.kq-c.is-ng::before{content:"× "}
.kq-after{margin-top:14px;border-top:3px solid #000;padding-top:12px}
.kq-mark{margin:0 0 6px;font-weight:700;font-size:20px}
.kq-mark.ok{color:#000}.kq-mark.ng{color:#e60012}
.kq-ans{margin:0 0 8px;font-size:16px;line-height:1.7}
.kq-ans span{display:inline-block;background:#000;color:#fff;font-size:12px;padding:1px 8px;margin-right:8px;vertical-align:2px}
.kq-ex{margin:0 0 14px;font-size:15px;line-height:1.85}
#kq-next{width:100%}
#kq-end{text-align:center}
.kq-end-s{margin:6px 0 0}
.kq-end-s b{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:64px;line-height:1;color:#e60012}
.kq-end-s span{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:22px;margin-left:6px}
.kq-end-r{margin:10px 0 4px;display:flex;justify-content:center;align-items:center;gap:10px}
.kq-end-r b{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:30px;background:#000;color:#ffe600;padding:2px 12px}
.kq-end-r span{font-size:20px;font-weight:700}
.kq-end-m{margin:6px 0;font-size:16px}
.kq-end-t,.kq-end-send{margin:4px 0;font-size:14px}
#kq-end .kq-btns{margin-top:16px}
/* 全国番付 */
.kq-rk{margin:0 0 40px}
.kq-rk h2{margin:0;background:#000;color:#fff;font-size:19px;font-weight:700;padding:10px 16px}
.kq-rk h3{font-size:16px;font-weight:700;margin:18px 0 8px}
.kq-rk-n{margin:10px 0 0;font-size:15px}
.kq-rk-n b{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:20px;color:#e60012}
.kq-dr{display:grid;grid-template-columns:3.2em 8.5em 1fr 3em;gap:8px;align-items:center;font-size:13px;margin:5px 0}
.kq-dr b{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:15px}
.kq-dt{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.kq-dbar{height:14px;border:2px solid #000;background:#fff}
.kq-dbar i{display:block;height:100%;background:#e60012}
.kq-dv{text-align:right;font-weight:700}
.kq-tb{width:100%;border-collapse:collapse;font-size:14px}
.kq-tb th,.kq-tb td{border:2px solid #000;padding:7px 8px;text-align:left}
.kq-tb th{background:#000;color:#fff;font-weight:700}
.kq-tb td:first-child:not([colspan]){text-align:center;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;width:2.6em}
.kq-tb tbody tr:nth-child(-n+3) td:first-child:not([colspan]){background:#ffe600}
.kq-tb td b{display:block}
.kq-tb td small{font-size:12px}
.kq-ranks{margin-top:12px;border:2px solid #000}
.kq-ranks summary{padding:8px 12px;font-weight:700;cursor:pointer}
.kq-ranks ul{margin:0;padding:4px 12px 12px 30px;font-size:14px}
.k-q-s .k-q-text{padding-bottom:4px}
.k-q-s .k-choice{margin-top:4px}
@media (max-width:480px){
  .kq-screen{padding:16px 14px 18px}
  .kq-q{font-size:18px}
  .kq-st-t{font-size:24px}
  #kq-go{font-size:21px}
  .kq-btns{grid-template-columns:1fr}
  .kq-dr{grid-template-columns:2.8em 6.5em 1fr 2.8em}
}
.kq [hidden],.kq-rk [hidden]{display:none!important}
.kq-tb td[colspan]{text-align:center;padding:16px 8px}
.k-q-row{display:flex;align-items:stretch}
.k-q-row .k-no{flex:0 0 44px;font-size:18px;min-height:0}
.k-q-s .k-q-text{padding:12px 14px;font-size:16.5px;font-weight:700;line-height:1.7}
.k-q-s .k-q-text small{display:inline-block;font-size:11px;border:1px solid #000;padding:0 6px;margin-right:6px;vertical-align:2px;font-weight:700}
.k-q-s .k-choice{margin:0 14px 10px;font-size:15px}
.k-q-s .k-choice li{padding:6px 10px;font-size:15px}
.k-q-s .k-open{padding:4px 14px 14px}
.k-q-s{margin:12px 0}
.k-links{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 16px}
.k-links a{border:2px solid #000;padding:6px 12px;text-decoration:none;color:#000;font-weight:700;font-size:14px;background:#fff}
.k-links a:hover{background:#000;color:#fff}

/* 1問なぞなぞ（kn）：問題は吹き出しで大きく */
.kn{margin:6px 0 18px}
.kn-fuki{background:#fff;border:3px solid #000;margin:0}
.kn-lab{margin:0;padding:9px 18px;background:#000;color:#ffe600;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:15px;letter-spacing:.04em}
.kn-q{margin:0;padding:30px 22px 32px;font-size:clamp(21px,4.8vw,28px);font-weight:700;line-height:1.65;text-align:center;text-wrap:balance}
.kn-open{padding:14px;border:3px solid #000;border-top:0;background:#f4f4f4;gap:10px}
.kn-open summary{display:block;text-align:center;padding:13px 16px;font-size:16px}
.kn-a{margin:0 0 10px;font-size:22px;font-weight:700}
.kn-a span{display:inline-block;background:#ffe600;color:#000;font-size:13px;padding:2px 8px;margin-right:10px;vertical-align:4px}
.kn-img{display:block;max-width:240px;width:60%;height:auto;margin:6px auto 12px;background:#fff;border:2px solid #fff}
.kn-say{display:flex;gap:10px;align-items:flex-start;background:#fff;color:#000;padding:10px 12px}
.kn-say img{width:48px;height:48px;border-radius:50%;border:2px solid #000;flex:0 0 48px;object-fit:cover}
.kn-say p{margin:0;font-size:15px;line-height:1.7}
.kn-say b{display:block;font-size:12px}
.kn-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:22px 0 30px}
.kn-nav a{border:3px solid #000;padding:14px 12px;text-decoration:none;font-weight:700;font-size:16px;color:#000;text-align:center}
.kn-next{background:#000;color:#fff!important;grid-column:2}
.kn-prev::before{content:"‹ "}.kn-next::after{content:" ›"}
.kn-nav a:hover{background:#e60012;border-color:#e60012;color:#fff}
.kn-more h2{font-size:19px;font-weight:700;background:#000;color:#fff;padding:10px 16px;margin:0 0 4px}
.kn-more ul{list-style:none;margin:0;padding:0}
.kn-more li{border-bottom:2px solid #000}
.kn-more a{display:flex;gap:12px;padding:12px 4px;text-decoration:none;color:#000;font-size:15.5px;line-height:1.6}
.kn-more a span{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;color:#e60012;flex:0 0 3.4em;font-size:14px;padding-top:2px}
.kn-more a:hover{background:#f2f2f2}
.kn-note{font-size:12px;margin:0 0 10px;color:#ddd}.kn-note a{color:#ffe600}.kn-note p{margin:0}
.k-no-w{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:15px;flex-basis:auto;padding:0 10px}
.kn-cap{font-size:12px;color:#666;margin:4px 0 0}.kn-cap a{color:inherit}
.k-catch{font-weight:700;font-size:19px;margin:0 0 10px}
.k-point,.k-point *{color:#111!important}
.k-point{margin-top:12px;padding:10px 14px;background:#fff8c2;border-left:4px solid #e60012;font-size:15px}
/* ---- 都市伝説の解説（kata_toshi・2026-10-20） ---- */
.k-toc{border:3px solid #000;padding:14px 16px;margin:0 0 28px;background:#fff}
.k-toc-t{font-weight:700;margin:0 0 6px}
.k-toc ol{margin:0;padding-left:1.6em;columns:2;column-gap:24px}
.k-toc li{break-inside:avoid;padding:3px 0;font-size:15px}
.k-toc a{color:#000;text-decoration:none;border-bottom:1px solid #ccc}
.k-toc a:hover{border-color:#e60012;color:#e60012}
@media (max-width:600px){.k-toc ol{columns:1}}
.k-toshi h2{scroll-margin-top:70px}
.k-data{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin:16px 0 22px}
.k-data-1{grid-template-columns:1fr}
.k-d{border:2px solid #000;padding:10px 12px;background:#fff}
.k-d > b{display:inline-block;background:#000;color:#fff;font-size:12px;padding:1px 8px;margin-bottom:6px}
.k-d p{margin:0 0 4px;font-size:15px;line-height:1.7}
.k-d .k-d-v{font-size:18px;font-weight:700;line-height:1.45}
.k-d .k-d-n{font-size:13px;color:#555}
.k-prof{background:#000;color:#fff;padding:18px;margin:16px 0 8px;text-align:center}
.k-prof-h{font-size:13px;margin:0 0 4px;color:#ffe600;font-weight:700}
.k-prof-big{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:40px;line-height:1.2;margin:0}
.k-prof-sub{font-size:14px;margin:4px 0 0;color:#ddd}
.k-meter{border:3px solid #000;padding:12px 16px;margin:16px 0 22px}
.k-meter-h{display:flex;justify-content:space-between;align-items:baseline;font-weight:700;margin:0 0 8px}
.k-meter-h b{font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:30px;color:#e60012;font-weight:400}
.k-meter-h small{font-size:14px;color:#000}
.k-meter-bar{height:14px;background:#f2f2f2;border:2px solid #000}
.k-meter-bar i{display:block;height:100%;background:#e60012}
.k-meter p:last-child:not(.k-meter-h){margin:8px 0 0;font-size:14px}
.k-box{background:#f2f2f2;border-left:6px solid #000;padding:14px 16px;margin:16px 0 22px}
.k-story{background:#000;color:#fff;padding:18px 18px 8px;margin:16px 0 22px;line-height:1.95}
.k-story a{color:#ffe600}
.k-box-h{font-weight:700;margin:0 0 8px;font-size:17px}
.k-story .k-box-h{color:#ffe600}
.k-tl{list-style:none;padding:0;margin:16px 0 22px;border-left:4px solid #000}
.k-tl li{position:relative;padding:0 0 14px 18px}
.k-tl li::before{content:"";position:absolute;left:-10px;top:5px;width:12px;height:12px;background:#e60012;border:2px solid #000}
.k-tl b{display:block;font-weight:700}
.k-tl p{margin:2px 0 0;font-size:15px;line-height:1.8}
.k-steps{list-style:none;counter-reset:st;padding:0;margin:16px 0 22px}
.k-steps li{counter-increment:st;position:relative;border:2px solid #000;padding:10px 12px 10px 56px;margin:0 0 8px;min-height:44px}
.k-steps li::before{content:counter(st);position:absolute;left:0;top:0;bottom:0;width:42px;background:#ffe600;border-right:2px solid #000;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;font-size:20px}
.k-steps b{display:block;font-weight:700}
.k-steps p{margin:2px 0 0;font-size:15px}
.k-warn{background:#e60012;color:#fff;font-weight:700;padding:10px 14px;margin:-8px 0 22px}
.k-list{padding-left:1.3em;margin:12px 0 20px}
.k-list li{margin:0 0 6px}
.k-src{font-size:12px;color:#555;margin:6px 0 26px;display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.k-src span{background:#f2f2f2;padding:0 6px;font-weight:700}
.k-src a{color:#555}
.k-sum{border:3px solid #000;padding:4px 18px 10px;margin:30px 0}
.k-sum h2{border-left:0!important;padding:0!important;margin:12px 0 8px!important}
.k-sum li{margin:0 0 6px}
.k-odai{margin:12px 0 20px;padding:0;list-style:none}
.k-odai li{border:2px solid #000;margin:0 0 8px;padding:10px 12px 10px 52px;position:relative;font-weight:700;line-height:1.6;min-height:24px}
.k-odai li::before{content:counter(list-item);position:absolute;left:0;top:0;bottom:0;width:40px;background:#ffe600;border-right:2px solid #000;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif}
.k-prose ul li a b{background:#000;color:#fff;font-size:12px;padding:1px 7px;margin-right:6px;font-weight:700}
.k-h2sub{margin:-8px 0 12px;color:#555;font-size:14px}
.k-hint-n summary{background:#fff}
.k-tbl{width:100%;border-collapse:collapse;font-size:14px}
.k-tbl th,.k-tbl td{border:1px solid #000;padding:6px 8px;text-align:left;vertical-align:top}
.k-tbl th{background:#000;color:#fff}
.k-tbl td:first-child{text-align:center;font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif;width:2.5em}
.k-tbl td:nth-child(2){font-weight:700;white-space:nowrap}
/* 問題の絵（シルエットなど・2026-10-20） */
.kq-img{max-width:280px;margin:0 auto 14px}
.k-q-img{display:block;width:100%;max-width:200px;height:auto;border:2px solid #000;margin:8px 0}