/*
Theme Name: クイズのひろば
Version: 2.0.0
Requires at least: 6.6
Requires PHP: 8.1
Text Domain: quiz-hiroba
*/
:root{--ink:#243b42;--muted:#66777b;--teal:#087f79;--teal-dark:#086863;--cream:#fcfaf5;--line:#e3e7df;--art:#e1f0ea;--accent:#307869}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:'Hiragino Maru Gothic ProN','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,select,input{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:var(--ink)}[hidden]{display:none!important}:focus-visible{outline:3px solid #c66b36;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.55;letter-spacing:.025em}a,button,summary{touch-action:manipulation}.skip-link{position:absolute;top:-100px;left:12px;z-index:100;padding:12px;background:white}.skip-link:focus{top:8px}
.site-header{border-bottom:1px solid var(--line)}.header-inner{max-width:1120px;margin:auto;padding:22px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px;letter-spacing:.04em}.brand small{display:block;color:var(--muted);font-size:9px;font-weight:normal;letter-spacing:.06em}.brand-mark{width:39px;height:43px;background:var(--teal);color:white;display:grid;place-items:center;font:32px Georgia,serif;line-height:1;border-radius:14px 14px 14px 4px;transform:rotate(-8deg);flex-shrink:0}.header-inner nav a{font-size:13px;font-weight:bold;padding:12px 0;white-space:nowrap}.header-inner nav a:hover{color:var(--teal)}
.catalog{max-width:1120px;padding:0 32px 64px;margin:auto}.catalog-hero{text-align:center;padding:62px 0 46px}.eyebrow{display:inline-block;font-size:12px;color:#776332;background:#f4edda;border-radius:24px;padding:5px 15px;margin-bottom:19px}.catalog-hero h1{font-size:clamp(28px,3.7vw,42px);line-height:1.6;margin-bottom:18px}.catalog-hero p{color:var(--muted);font-size:14px;margin-bottom:24px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:48px;border-radius:10px;padding:12px 22px;font-size:14px;font-weight:bold;border:1px solid var(--line)}.primary{color:white;background:var(--teal);border-color:var(--teal);box-shadow:0 3px 0 #08665f}.primary:hover{background:var(--teal-dark)}.level-guide{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin-bottom:52px}.level-guide p{font-size:11px;color:var(--muted);line-height:1.7;margin:7px 0 0}.level-badge{display:inline-block;border-radius:20px;padding:3px 12px;font-size:11px;font-weight:bold;white-space:nowrap}.level-easy{background:#dff0e2;color:#366546}.level-normal{background:#e0edf8;color:#32617d}.level-hard{background:#fbebcf;color:#8a5e1f}.level-mania{background:#ece3f5;color:#6b4e83}.catalog-heading{margin-bottom:20px}.section-kicker{color:var(--teal);font-size:10px;letter-spacing:.16em;font-weight:bold}.catalog-heading h2{font-size:28px;margin:5px 0 6px}.catalog-heading p{color:var(--muted);font-size:13px;margin-bottom:0}.topic-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}.topic-index a{background:white;border:1px solid var(--line);border-radius:24px;font-size:12px;padding:8px 16px}.topic-index a:hover{border-color:var(--teal);color:var(--teal)}#quiz-catalog,.topic-section{scroll-margin-top:25px}.topic-section{margin-bottom:42px}.topic-heading{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:16px}.topic-heading h3{font-size:20px;margin:0;border-left:4px solid var(--accent);padding-left:12px}.topic-heading p{font-size:12px;color:var(--muted);margin:0}.collection-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.collection-card{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .15s,box-shadow .15s;min-width:0}.collection-card:hover{transform:translateY(-4px);box-shadow:0 8px 22px #243b4210;border-color:#b4cdc2}.collection-art{height:145px;background:var(--art);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;color:var(--accent)}.collection-art:before{content:'';position:absolute;width:150px;height:150px;border:1px solid currentColor;opacity:.12;border-radius:50%;right:-45px;top:-75px}.collection-art svg{width:82px;height:82px;transform:rotate(-7deg)}.collection-art .level-badge{position:absolute;top:12px;left:12px;border:2px solid #ffffffa8}.art-stars{position:absolute;right:13px;bottom:10px;font-size:13px;letter-spacing:3px}.collection-copy{display:block;padding:17px}.card-genre{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}.collection-copy strong{display:block;font-size:14px;line-height:1.65;overflow-wrap:anywhere}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:11px;color:var(--muted)}.card-bottom span{font-size:19px;color:var(--teal)}.topic-general{--art:#f5ebce;--accent:#98742e}.topic-episodes{--art:#dfedf6;--accent:#497b98}.topic-gadgets{--art:#e0eee6;--accent:#347864}.topic-characters{--art:#f7e2df;--accent:#a56e64}.topic-trivia{--art:#ece4f4;--accent:#806597}.genre-section+.genre-section{padding-top:30px;border-top:1px solid var(--line)}
.quiz-page{max-width:850px;padding:30px 32px 64px;margin:auto}.breadcrumbs{display:flex;gap:12px;font-size:11px;color:var(--muted);flex-wrap:wrap}.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}.quiz-heading{text-align:center;margin:30px 0}.page-topic-art{background:var(--art);color:var(--accent);width:82px;height:82px;border-radius:22px;display:grid;place-items:center;margin:0 auto 16px}.page-topic-art svg{width:62px;height:62px}.quiz-heading h1{font-size:clamp(23px,3vw,30px);margin:15px 0 13px;overflow-wrap:anywhere}.quiz-heading p{color:var(--muted);font-size:13px;margin-bottom:10px}.question-total{font-size:12px;color:var(--teal);font-weight:bold}.page-intro{background:white;padding:20px;border-radius:12px;margin-bottom:24px}.reading-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:28px 0 16px;font-size:12px}.reading-toolbar p{margin:0;color:var(--muted)}.text-button{border:0;background:none;color:var(--teal);padding:10px 0;text-decoration:underline;text-underline-offset:4px;font-size:12px}.quiz-reading{background:white;border:1px solid var(--line);border-radius:16px;padding:36px 40px}.reading-question{margin-bottom:40px}.reading-question:last-child{margin:0}.reading-number{font-size:20px;border-left:5px solid var(--teal);border-bottom:2px solid #c4ded4;padding:7px 14px;margin:0 0 22px}.reading-prompt{font-size:18px;line-height:2;margin-bottom:24px;overflow-wrap:anywhere}.answer-details{border:1px solid #d4dfd6;border-radius:4px;background:#f9fcf9;overflow:hidden}.answer-details summary{list-style:none;display:flex;align-items:center;gap:12px;background:#f2f7f2;padding:12px 18px;font-size:14px;font-weight:bold;min-height:50px}.answer-details summary::-webkit-details-marker{display:none}.answer-details summary:hover{background:#e8f2ea}.answer-plus{font-size:22px;color:var(--teal);line-height:1}.answer-plus:before{content:'＋'}.answer-details[open] .answer-plus:before{content:'−'}.answer-details .when-open{display:none}.answer-details[open] .when-open{display:inline}.answer-details[open] .when-closed{display:none}.answer-content{padding:24px;border-top:1px solid #d4dfd6}.answer-label{font-size:11px;color:var(--teal);font-weight:bold}.reading-answer{font-size:20px;font-weight:bold;color:var(--teal-dark);margin:5px 0 12px;white-space:pre-line;overflow-wrap:anywhere}.explanation{font-size:14px;line-height:1.9;color:var(--muted);margin:0;white-space:pre-line;overflow-wrap:anywhere}.related-levels{margin:35px 0 26px}.related-levels h2{font-size:16px;margin-bottom:14px}.related-levels>div{display:flex;gap:10px;flex-wrap:wrap}.related-levels a{background:white;border:1px solid #d0dcd3;border-radius:24px;min-width:74px;text-align:center;padding:8px 18px;font-size:13px}.related-levels a[aria-current]{background:var(--teal);border-color:var(--teal);color:white}.back-to-catalog{background:white;font-size:13px}.empty-state{padding:30px;text-align:center;background:white;border:1px solid var(--line);border-radius:16px}.content-page{max-width:820px;min-height:55vh;margin:auto;padding:55px 30px}.content-page a{color:var(--teal);text-decoration:underline}.content-page h1{font-size:28px}.content-page h2{font-size:22px;margin-top:30px}.ad-area{text-align:center;margin:40px auto;max-width:1000px;padding:20px}.ad-area small{display:block;font-size:10px;color:var(--muted);margin-bottom:10px}
.site-footer{max-width:1120px;margin:auto;border-top:1px solid var(--line);padding:32px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-brand{font-size:17px}.footer-brand .brand-mark{width:28px;height:31px;font-size:24px;border-radius:10px 10px 10px 3px}.site-footer p{font-size:11px;color:var(--muted);margin:12px 0 0}.footer-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:11px;justify-content:flex-end;max-width:520px}.footer-links small{flex-basis:100%;text-align:right;color:var(--muted)}.site-footer .disclaimer{flex-basis:100%;font-size:10px;margin:8px 0 0}
@media(max-width:850px){.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.collection-art{height:155px}.level-guide{grid-template-columns:repeat(2,1fr);gap:18px}.catalog-hero{padding-top:42px}.topic-heading{gap:5px 15px}}
@media(max-width:600px){.header-inner{padding:18px}.brand{font-size:18px;gap:10px}.brand small{font-size:7px}.brand-mark{width:32px;height:36px;font-size:27px}.header-inner nav a{font-size:11px}.catalog{padding:0 18px 36px}.catalog-hero{padding:36px 0}.catalog-hero h1{font-size:27px}.catalog-hero p{font-size:12px}.eyebrow{font-size:10px}.level-guide{margin-bottom:35px}.level-guide p{font-size:10px}.catalog-heading h2{font-size:25px}.topic-index{gap:8px}.topic-index a{font-size:11px;padding:7px 12px}.collection-grid{gap:12px}.collection-art{height:126px}.collection-art svg{width:66px;height:66px}.collection-art .level-badge{left:9px;top:9px;font-size:10px;padding:2px 8px}.collection-copy{padding:12px}.collection-copy strong{font-size:12px}.card-bottom{margin-top:10px}.art-stars{font-size:10px;letter-spacing:2px}.topic-heading h3{font-size:18px}.topic-heading p{font-size:11px;width:100%;padding-left:16px}.quiz-page{padding:23px 18px 42px}.quiz-heading h1{font-size:23px}.quiz-heading p{font-size:12px}.quiz-reading{padding:26px 18px}.reading-prompt{font-size:17px}.reading-number{font-size:18px}.reading-question{margin-bottom:32px}.answer-content{padding:18px}.reading-answer{font-size:18px}.explanation{font-size:13px}.reading-toolbar{font-size:11px;gap:8px}.text-button{font-size:11px}.related-levels a{padding:8px 14px;min-width:65px}.site-footer{padding:28px 18px}.footer-links{justify-content:flex-start}.footer-links small{text-align:left}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.collection-card{transition:none}}