.pl-page{
  --paper:#fdf6e9; --paper2:#fffdf6; --card:#fffef9; --ink:#2e2116; --muted:#7d6b58; --line:#e6d7b8;
  --wood:#6b3f1d; --wood-light:#9a6a3a; --accent:#c75b28; --accent-soft:#fff0e2; --teal:#2f6f5e; --teal-soft:#e6f2ec;
  --yellow:#fff2a8; --pink:#ffe3d3; --green:#ddefd9; --blue:#dbeeff; --shadow:0 4px 18px rgba(90,55,20,.12);
  color-scheme: light;
}
.pl-page *{box-sizing:border-box}
.pl-page{margin:0;background:var(--paper);color:var(--ink);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",system-ui,-apple-system,"Hiragino Maru Gothic ProN",sans-serif;line-height:1.75}
.pl-page a{color:inherit}
.pl-page button,.pl-page select{font:inherit}
.pl-page .wrap{max-width:1020px;margin:0 auto;padding:0 16px 48px}
.pl-page .sign{margin:18px 0 0;background:linear-gradient(180deg,#7d4e26,#5f3a1a);color:#fff8e6;border-radius:14px;padding:20px 18px 16px;box-shadow:var(--shadow);border:3px solid #4a2c12;position:relative;overflow:hidden}
.pl-page .sign::before{content:"";position:absolute;inset:6px;border:1px dashed rgba(255,240,200,.45);border-radius:9px;pointer-events:none}
.pl-page .sign h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:30px;line-height:1.1;margin:0;letter-spacing:.04em}
.pl-page .sign h1 span{font-size:15px;font-weight:700;background:#fff2a8;color:#5b3210;padding:2px 8px;border-radius:999px;vertical-align:middle;margin-left:8px;white-space:nowrap}
.pl-page .sign p{margin:8px 0 0;font-size:14.5px;opacity:.95;line-height:1.7}
.pl-page .badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pl-page .badge{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700}
.pl-page .hero-note{margin-top:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:13.5px;color:var(--muted);display:flex;gap:10px}
.pl-page .hero-note b{color:var(--ink)}
.pl-page .section{margin-top:28px}
.pl-page .sec-head{display:flex;align-items:flex-end;gap:12px;margin-bottom:12px}
.pl-page .sec-num{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900;flex:0 0 auto}
.pl-page .sec-head h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:21px;margin:0;line-height:1.3}
.pl-page .sec-head p{margin:2px 0 0;color:var(--muted);font-size:13.5px}
.pl-page .panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.pl-page .panel.cork{background:repeating-linear-gradient(0deg,transparent,transparent 23px,rgba(120,85,40,.06) 24px),var(--card)}
.pl-page .birth-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pl-page .birth-row select{flex:1;min-width:180px;padding:12px 14px;border-radius:10px;border:2px solid var(--wood-light);background:var(--paper2);color:var(--ink);font-weight:700;font-size:16px}
.pl-page .hint{font-size:13px;color:var(--muted)}
.pl-page .result{margin-top:14px;display:none}
.pl-page .result.show{display:block}
.pl-page .periods{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.pl-page .periods{grid-template-columns:1fr}}
.pl-page .period{border-radius:12px;padding:12px}
.pl-page .period.elem{background:var(--yellow)}
.pl-page .period.junior{background:var(--blue)}
.pl-page .period h3{margin:0 0 4px;font-size:14px}
.pl-page .period .range{font-weight:900;font-size:16px}
.pl-page .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.pl-page .chip{border:none;cursor:pointer;padding:6px 10px;border-radius:999px;font-weight:800;font-size:13px}
.pl-page .chip.in{background:var(--ink);color:var(--paper)}
.pl-page .chip.out{background:rgba(0,0,0,.08);color:var(--muted);cursor:default}
.pl-page .no-overlap{margin-top:12px;background:var(--accent-soft);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px}
.pl-page .tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.pl-page .tab{padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);cursor:pointer;font-weight:800;font-size:13.5px}
.pl-page .tab.active{background:var(--wood);color:#fff;border-color:var(--wood)}
.pl-page .tab .cnt{opacity:.7;font-weight:700;font-size:12px;margin-left:4px}
.pl-page .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:820px){.pl-page .grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.pl-page .grid{grid-template-columns:1fr}}
.pl-page .ycard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-align:left;cursor:pointer;padding:0;box-shadow:0 2px 10px rgba(90,55,20,.08);transition:transform .15s}
.pl-page .ycard:hover{transform:translateY(-2px)}
.pl-page .ycard img{width:100%;height:150px;object-fit:cover;display:block}
.pl-page .img-note{font-size:10.5px;color:var(--muted);padding:4px 10px 0;line-height:1.4}
.pl-page .ycard-body{padding:10px 12px 14px}
.pl-page .ycard-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.pl-page .ycard-year{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:24px;font-weight:800;line-height:1}
.pl-page .ycard-wareki{font-size:12px;color:var(--muted);font-weight:700;white-space:nowrap}
.pl-page .ycard-mood{font-size:13px;line-height:1.65;color:var(--ink);margin:8px 0 0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pl-page .sticky{display:inline-block;margin-top:10px;background:var(--yellow);color:#4a3510;padding:5px 8px;border-radius:4px;font-size:12px;font-weight:800;line-height:1.4;transform:rotate(-.6deg);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.pl-page .compare-selects{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;margin-bottom:14px}
@media(max-width:560px){.pl-page .compare-selects{grid-template-columns:1fr}}
.pl-page .compare-selects select{width:100%;padding:11px;border-radius:10px;border:2px solid var(--line);background:var(--paper2);color:var(--ink);font-weight:800}
.pl-page .vs{width:38px;height:38px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;margin:0 auto;font-size:13px}
.pl-page .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.pl-page .compare-grid{grid-template-columns:1fr}}
.pl-page .cmp{background:var(--paper2);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pl-page .cmp img{width:100%;height:170px;object-fit:cover;display:block}
.pl-page .cmp-body{padding:12px 14px 14px}
.pl-page .cmp-body h3{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;margin:0;font-size:20px}
.pl-page .cmp-body h3 small{font-size:12px;color:var(--muted)}
.pl-page .cmp-label{font-size:11px;letter-spacing:.08em;font-weight:900;color:var(--teal);margin-top:12px}
.pl-page .cmp-text{font-size:13.5px;line-height:1.7;white-space:pre-line;margin-top:2px}
.pl-page .detail{display:none}
.pl-page .detail.open{display:block}
.pl-page .detail-back{position:sticky;top:10px;z-index:5;margin:14px 0}
.pl-page .back-btn{background:var(--ink);color:var(--paper);border:none;padding:10px 16px;border-radius:999px;font-weight:800;cursor:pointer;box-shadow:var(--shadow)}
.pl-page .detail-hero{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.pl-page .detail-hero img{width:100%;max-height:420px;object-fit:cover;display:block}
.pl-page .detail-hero-body{padding:16px 18px 18px}
.pl-page .detail-year{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:34px;line-height:1;margin:0}
.pl-page .detail-wareki{color:var(--muted);font-weight:800}
.pl-page .mood-full{margin-top:12px;font-size:15px;line-height:1.85;white-space:pre-line;background:var(--paper);border-left:4px solid var(--accent);padding:12px 14px;border-radius:0 10px 10px 0}
.pl-page .cat-grid{margin-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.pl-page .cat-grid{grid-template-columns:1fr}}
.pl-page .cat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.pl-page .cat h3{margin:0 0 6px;font-size:14px;display:flex;align-items:center;gap:8px}
.pl-page .cat h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.pl-page .cat p{margin:0;font-size:13.5px;line-height:1.75;white-space:pre-line}
.pl-page .talk{margin-top:14px;background:var(--teal-soft);border:1px solid var(--line);border-radius:14px;padding:16px}
.pl-page .talk h3{margin:0 0 8px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:18px}
.pl-page .talk ul{margin:0;padding-left:18px}
.pl-page .talk li{margin:6px 0;font-size:14.5px}
.pl-page .talk li b{font-size:12px;color:var(--teal);display:block}
.pl-page .view-toggle{display:inline-flex;background:var(--paper);border:1.5px solid var(--line);border-radius:999px;padding:3px;gap:2px;margin-bottom:14px}
.pl-page .view-toggle button{border:none;background:transparent;padding:8px 16px;border-radius:999px;font-weight:800;font-size:13.5px;cursor:pointer;color:var(--muted)}
.pl-page .view-toggle button.active{background:var(--wood);color:#fff}
.pl-page .tl-title{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:19px;margin:2px 0 10px}
.pl-page .cat-pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.pl-page .cat-pill{padding:7px 13px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);cursor:pointer;font-weight:800;font-size:13px}
.pl-page .cat-pill.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.pl-page .timeline{border-top:1px solid var(--line)}
.pl-page .tl-row{display:flex;gap:14px;padding:13px 4px;border-bottom:1px solid var(--line);align-items:flex-start}
.pl-page .tl-year{flex:0 0 84px;background:none;border:none;cursor:pointer;text-align:left;padding:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:22px;font-weight:800;line-height:1.15;color:var(--accent)}
.pl-page .tl-year small{display:block;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;font-size:11px;font-weight:700;color:var(--muted)}
.pl-page .tl-body{flex:1;min-width:0}
.pl-page .tl-body p{margin:0;font-size:13.5px;line-height:1.75;white-space:pre-line}
.pl-page .tl-link{margin-top:6px;background:none;border:none;padding:0;cursor:pointer;font-weight:800;font-size:13px;color:var(--teal)}
@media(max-width:540px){.pl-page .tl-year{flex-basis:64px;font-size:19px}}
.pl-page .request-panel{background:var(--accent-soft);border:1.5px dashed var(--accent);text-align:left}
.pl-page .request-panel h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:20px;margin:0 0 6px}
.pl-page .request-panel p{margin:0;font-size:14.5px}
.pl-page .cta-btn{display:inline-block;margin-top:12px;background:var(--accent);color:#fff;font-weight:900;padding:12px 20px;border-radius:999px;text-decoration:none;box-shadow:var(--shadow);font-size:15px}
.pl-page .cta-btn:hover{opacity:.92}
.pl-page .request-panel .hint{margin-top:10px}
.pl-page .research{margin-top:14px;background:var(--card);border:1.5px solid var(--teal);border-radius:14px;padding:16px}
.pl-page .research h3{margin:0 0 6px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:18px}
.pl-page .research p{font-size:13.5px}
.pl-page .prompt-box{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:13.5px;line-height:1.8;margin:10px 0;white-space:pre-wrap;word-break:break-word;max-height:340px;overflow:auto}
.pl-page .free-year-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:4px}
.pl-page .free-year-row input{width:150px;padding:11px 12px;border-radius:10px;border:2px solid var(--wood-light);background:var(--paper2);color:var(--ink);font-weight:800;font-size:16px}
.pl-page .free-year-row .wareki-note{font-weight:800;font-size:14px;color:var(--teal)}
.pl-page .research-btns{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}
.pl-page .copy-btn{background:var(--teal);color:#fff;border:none;padding:10px 16px;border-radius:999px;font-weight:900;cursor:pointer;font-size:14px}
.pl-page .ai-btn{display:inline-block;padding:9px 14px;border-radius:999px;border:1.5px solid var(--teal);color:var(--teal);font-weight:800;font-size:13.5px;text-decoration:none;background:var(--card)}
.pl-page .copy-done{font-size:13px;font-weight:800;color:var(--teal)}
.pl-page .footer{margin-top:32px;border-top:2px dashed var(--line);padding-top:16px;color:var(--muted);font-size:13px;line-height:1.8}
.pl-page .hidden{display:none !important}
.pl-page .pl-style-1{font-weight:900}
.pl-page .pl-style-2{margin:8px 0 0}
.pl-page .pl-style-3{border:1.5px solid var(--teal)}
.pl-page .pl-style-4{font-family:'Yu Mincho',serif;font-size:20px;margin:0 0 6px}
.pl-page .pl-style-5{margin:0;font-size:14.5px}
.pl-page .pl-style-6{margin-top:12px}
.pl-page .pl-style-7{margin:10px 0 0}
.pl-page .pl-style-8{margin-top:10px}
.pl-page .pl-style-9{font-weight:800;font-size:13px}
.pl-page .pl-style-10{color:var(--ink)}
.pl-page .pl-style-11{margin:10px 0 0;font-size:13.5px}
.pl-page .pl-style-12{padding-left:14px}
.pl-page .pl-style-13{margin-top:14px}
.pl-page .pl-style-14{padding:6px 18px 0}
.pl-page .pl-style-15{margin:0 0 6px;font-size:13px;color:var(--muted)}
.pl-page .pl-style-16{margin:0}
/* 共通CSSがあるサイトでは学校の変数を使い、4ファイル単体でも表示する。 */
.pl-page{--paper:var(--sc-paper,#f6f1e5);--paper2:var(--sc-card,#fffaf0);--card:var(--sc-card,#fffaf0);--ink:var(--sc-ink,#26302a);--muted:var(--sc-sub,#59695d);--line:var(--sc-line,#d6ccba);--wood:var(--sc-wood,#795536);--accent:var(--sc-accent,#9d4a20);--teal:var(--sc-board,#173f37);color-scheme:light;overflow-wrap:anywhere}
.pl-page .pl-main{max-width:980px;padding:0 max(16px,4vw) 64px}
.pl-page .sign{background:none;color:var(--ink);border:0;border-radius:0;box-shadow:none;padding:clamp(32px,6vw,56px) 0 18px;margin:0}
.pl-page .sign::before{display:none}
.pl-page .sign h1{font-size:clamp(28px,5vw,42px);font-weight:600;letter-spacing:.08em;line-height:1.4}
.pl-page .sign p{color:var(--muted);line-height:1.95;max-width:680px}
.pl-page .badge{background:var(--card);border-color:var(--line)}
.pl-page .panel,.pl-page .cat,.pl-page .research{border-radius:8px;box-shadow:none}
.pl-page .tab,.pl-page .cat-pill,.pl-page .back-btn,.pl-page .copy-btn,.pl-page .ai-btn,.pl-page .cta-btn{border-radius:6px}
.pl-page :is(button,select,input,a){touch-action:manipulation}
.pl-page :is(button,select,input){color-scheme:light;max-width:100%;min-width:0}
.pl-page button{color:var(--ink)}
.pl-page :is(.tab.active,.back-btn,.copy-btn,.cat-pill.active){color:#fff}
.pl-page .chip.in{color:var(--paper)}
.pl-page :is(button,a,select,input,.prompt-box):focus-visible{outline:3px solid #9d4a20;outline-offset:3px}
.pl-page :is(.chip,.tl-year,.tl-link,.cat-pill,.tab,.copy-btn,.ai-btn){min-height:44px}
.pl-page :is(.grid,.periods,.cat-grid,.compare-grid)>*{min-width:0}
.pl-page .compare-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.pl-page .compare-selects{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}
.pl-page .ycard-mood{display:block;overflow:visible}
.pl-page .sticky{max-width:100%;transform:none}
.pl-page .detail-year{line-height:1.3}
.pl-page .pl-offscreen{position:fixed;left:-9999px;top:0;opacity:0}
.pl-page .prompt-box{overflow-wrap:anywhere}
.pl-page .b01-header{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1200px;margin:auto;padding:18px max(16px,4vw);border-bottom:1px solid var(--line)}
.pl-page .brand{font-family:Georgia,serif;letter-spacing:.12em;text-decoration:none;font-weight:700;color:var(--teal)}
.pl-page .town-return{font-size:14px;text-underline-offset:4px}
.pl-page .page-policy-footer{border-top:1px solid var(--line);padding:20px max(16px,4vw)}
.pl-page .policy-links{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:center;font-size:12px;color:var(--muted)}
.pl-page .skip-link{position:absolute;left:16px;top:-100px;z-index:20;padding:12px;background:var(--card)}
.pl-page .skip-link:focus{top:12px}
@media(max-width:560px){.pl-page .compare-selects{grid-template-columns:1fr}}
@media(max-width:380px){.pl-page .compare-grid{gap:8px}.pl-page .cmp-body{padding:10px 8px}.pl-page .cmp-body h3{font-size:18px}.pl-page .cmp img{height:110px}.pl-page .panel{padding:12px}}
@media(prefers-reduced-motion:reduce){.pl-page *{scroll-behavior:auto!important;transition:none!important}}

/* Plaza hero (AI-167 addition, 2026-11-08) */
.plaza-hero{position:relative;margin:2px 0 10px;border-radius:18px;overflow:hidden;box-shadow:0 10px 28px rgba(90,62,30,.16)}
.plaza-hero img{display:block;width:100%;height:auto}
.plaza-hero-board{position:absolute;left:3.5%;top:29%;width:35%;height:61%;border-radius:14px;text-decoration:none}
.plaza-hero-board:focus-visible{outline:3px solid #b3762a;outline-offset:2px}
.plaza-hero-chip{position:absolute;left:5%;bottom:5%;display:inline-flex;align-items:center;gap:6px;background:rgba(255,251,240,.95);color:#5a3d16;font-weight:700;font-size:14px;line-height:1;padding:9px 14px;border-radius:999px;border:1px solid #d9b878;box-shadow:0 4px 14px rgba(90,62,30,.25);white-space:nowrap}
@media (hover:hover){.plaza-hero-board:hover{box-shadow:inset 0 0 0 3px rgba(255,214,120,.9);background:rgba(255,214,120,.10)}}
@media (max-width:560px){.plaza-hero-chip{font-size:12px;padding:7px 10px}}
/* 年の詳細 → 地球儀の教室（World History Globe）。同じタブで開く */
.pl-page .pl-globe{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin:14px 0 0}
.pl-page .pl-globe-link{display:inline-flex;align-items:center;min-height:44px;padding:9px 16px;border-radius:6px;border:1.5px solid var(--teal);background:var(--teal-soft);color:var(--teal);font-weight:800;font-size:14px;text-decoration:none}
.pl-page .pl-globe-link:hover{background:var(--card)}
.pl-page .pl-globe-link:focus-visible{outline:3px solid #9d4a20;outline-offset:3px}
.pl-page .pl-globe-note{font-size:12px;color:var(--muted)}