/* 国旗ずかん：パスポートとスタンプ帳。紺の表紙に金の文字、中のページはクリーム色。押したスタンプが色とりどりにたまっていく */
:root{
  --navy:#16244a;--navy2:#1f3266;--gold:#e8b84a;--paper:#fdf8ec;--paper2:#f4ecd8;--ink:#23212b;--ink-soft:#6b6676;
  --line:#e2d7bd;--red:#e0483e;--green:#2f9e6a;--blue:#2f6fd6;
  --c-asia:#e0483e;--c-eu:#2f6fd6;--c-af:#e8a23a;--c-na:#2f9e6a;--c-sa:#8a5bd6;--c-oc:#1aa6b7;
  --font:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN","Hiragino Sans",sans-serif;
  --font-head:"Dela Gothic One","M PLUS Rounded 1c",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{background:var(--navy);-webkit-text-size-adjust:100%;touch-action:manipulation}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--navy);line-height:1.7;
  background-image:radial-gradient(circle at 20% 0%,rgba(232,184,74,.18),transparent 40%),repeating-linear-gradient(45deg,rgba(255,255,255,.025) 0 2px,transparent 2px 10px);
  padding-bottom:env(safe-area-inset-bottom,0px)}
button{font:inherit;color:inherit}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:720px;margin:0 auto;padding:16px max(16px,env(safe-area-inset-left,0px)) 48px;display:flex;flex-direction:column;gap:16px}
.cover{color:#fff;text-align:center;padding:10px 0 4px;display:flex;flex-direction:column;gap:6px;align-items:center}
.cover .emb{width:64px;height:64px;border:3px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px}
.cover h1{margin:0;font-family:var(--font-head);font-weight:400;font-size:clamp(30px,8vw,44px);color:var(--gold);letter-spacing:.08em;line-height:1.2}
.cover p{margin:0;font-size:14px;color:#c9d2ea;max-width:34em}
.cover .bar{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:4px}
.pill{border:1px solid rgba(232,184,74,.6);color:var(--gold);border-radius:999px;padding:2px 12px;font-size:13px;font-weight:700}
.tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;position:sticky;top:0;z-index:5;background:var(--navy);padding:6px 0}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;border:2px solid rgba(255,255,255,.2);background:transparent;color:#fff;border-radius:999px;padding:6px 16px;font-size:15px;font-weight:700;cursor:pointer}
.tab[aria-selected="true"]{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.page{background:var(--paper);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:14px;box-shadow:0 8px 24px rgba(0,0,0,.3);position:relative}
.page[hidden]{display:none}
.page h2{margin:0;font-family:var(--font-head);font-weight:400;font-size:22px;color:var(--navy)}
.soft{color:var(--ink-soft);font-size:14px;margin:0}
/* 今日の国旗 */
.today{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center;background:var(--paper2);border-radius:14px;padding:10px;cursor:pointer;border:0;text-align:left;width:100%}
.today img{width:120px;aspect-ratio:3/2;height:auto;object-fit:contain;background:#fff;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.today b{font-size:20px;display:block}
.today small{color:var(--ink-soft)}
/* 絞り込み */
.filters{display:flex;flex-direction:column;gap:8px}
.frow{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.frow::-webkit-scrollbar{display:none}
.fk{flex:0 0 auto;font-size:12px;font-weight:700;color:var(--ink-soft);align-self:center;width:3.6em}
.chip{flex:0 0 auto;border:2px solid var(--line);background:#fff;border-radius:999px;padding:3px 12px;font-size:14px;cursor:pointer;white-space:nowrap}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.chip .dot{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:4px;vertical-align:-1px;border:1px solid rgba(0,0,0,.2)}
.search{display:flex;gap:8px}
.search input,.search select{font:inherit;font-size:16px;padding:8px 12px;border-radius:12px;border:2px solid var(--line);background:#fff;min-width:0}
.search input{flex:1}
.count{font-size:13px;color:var(--ink-soft)}
/* 国旗の一覧 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:10px}
.tile{border:0;background:#fff;border-radius:12px;padding:8px 6px 6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;box-shadow:0 2px 6px rgba(0,0,0,.08);position:relative;border-top:4px solid var(--cc,#ccc)}
.tile img{width:100%;aspect-ratio:3/2;height:auto;object-fit:contain;border-radius:4px;box-shadow:0 0 0 1px rgba(0,0,0,.08);background:#fff}
.tile span{font-size:13px;font-weight:700;line-height:1.3;text-align:center}
.tile.got::after{content:"覚えた";position:absolute;top:2px;right:2px;font-size:10px;font-weight:700;color:#fff;background:var(--red);border-radius:6px;padding:0 5px;transform:rotate(8deg);box-shadow:0 1px 2px rgba(0,0,0,.3)}
.grouph{grid-column:1/-1;font-family:var(--font-head);font-weight:400;font-size:18px;color:var(--navy);margin:6px 0 -2px;border-bottom:2px dashed var(--line)}
/* 国のカード */
.sheet{position:fixed;inset:0;z-index:20;background:rgba(10,16,35,.75);display:flex;align-items:flex-end;justify-content:center}
.sheet[hidden]{display:none}
.card{background:var(--paper);width:100%;max-width:720px;max-height:94%;overflow-y:auto;border-radius:20px 20px 0 0;padding:14px max(16px,env(safe-area-inset-left,0px)) calc(28px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:14px;animation:up .25s ease-out}
.card > *{flex-shrink:0}
.card.inpage{max-height:none;border-radius:18px;animation:none}
@keyframes up{from{transform:translateY(30px);opacity:.5}to{transform:none;opacity:1}}
.ctop{display:flex;justify-content:space-between;align-items:center;gap:8px}
.ctop .cont{font-size:13px;font-weight:700;color:#fff;background:var(--cc);border-radius:999px;padding:2px 12px}
.close{border:0;background:var(--paper2);border-radius:999px;padding:6px 14px;font-weight:700;cursor:pointer}
.bigflag{width:100%;max-width:480px;align-self:center;height:auto;aspect-ratio:3/2;object-fit:contain;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.25);background:#fff}
.cname{text-align:center;display:flex;flex-direction:column;gap:2px}
.cname h1,.cname h3{margin:0;font-family:var(--font-head);font-weight:400;font-size:32px;line-height:1.2;color:var(--navy)}
.cname small{color:var(--ink-soft);font-size:14px}
.status{font-size:13px;background:#fff3d6;border-radius:10px;padding:6px 10px;color:#7a5a12}
.sec{background:#fff;border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.sec h4,.sec h2.h{margin:0;font-size:15px;color:var(--red);font-family:var(--font);font-weight:800}
.meaning{font-size:16px}
.colrow{display:flex;gap:6px;flex-wrap:wrap}
.colrow span{font-size:13px;border-radius:999px;padding:1px 10px;border:1px solid var(--line);background:var(--paper)}
.facts{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:15px}
.facts .k{font-size:12px;font-weight:800;color:var(--ink-soft);padding-top:3px;white-space:nowrap}
.facts small{color:var(--ink-soft)}
.hello{display:flex;align-items:center;gap:12px}
.hello .hn{font-size:30px;font-weight:800}
.say{border:0;border-radius:999px;background:var(--gold);font-weight:800;padding:6px 12px;cursor:pointer;margin-left:auto;white-space:nowrap}
.names{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.names ol{margin:0;padding-left:1.6em;font-size:14px}
.names b{font-size:13px}
.names .boy b{color:var(--blue)}.names .girl b{color:var(--red)}
.names li small{color:var(--ink-soft)}
.taboo{background:#fdecea;border:1px solid #f2b3ac;border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:6px}
.taboo b{color:#b3261e}
.taboo span{font-size:13px;color:var(--ink-soft)}
.dishes,.nbs{display:flex;flex-wrap:wrap;gap:8px}
.dish{display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:14px}
.nb{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:4px 8px 4px 4px;display:flex;align-items:center;gap:6px;cursor:pointer;font-size:14px;text-decoration:none;color:var(--ink)}
.nb img{width:36px;aspect-ratio:3/2;height:auto;object-fit:contain;border-radius:3px}
.globe{position:relative;height:260px;touch-action:none;background:radial-gradient(circle at 50% 45%,#2a4a7a,#0e1a30 70%);border-radius:12px;overflow:hidden}
.globe svg{display:block;width:100%;height:100%}
.globe .ocean{fill:#1f4f86}.globe .land{fill:#6e9a63;stroke:#2c4a2a;stroke-width:.4}.globe .land.hit{fill:var(--gold);stroke:#fff;stroke-width:1}
.globe .grat{fill:none;stroke:rgba(255,255,255,.12);stroke-width:.5}.globe .rim{fill:none;stroke:rgba(255,255,255,.35);stroke-width:1.5}
.pin{fill:var(--red);stroke:#fff;stroke-width:2}
.stampbtn{border:0;cursor:pointer;font-family:var(--font-head);font-size:20px;padding:12px;border-radius:14px;background:var(--red);color:#fff;box-shadow:0 4px 0 #9b2a22}
.stampbtn.on{background:var(--green);box-shadow:0 4px 0 #1d6b46}
.stampbtn:active{transform:translateY(3px);box-shadow:0 1px 0 #9b2a22}
.btnrow{display:flex;gap:8px;flex-wrap:wrap}
.btn{flex:1 1 140px;border:0;cursor:pointer;border-radius:12px;padding:10px;font-weight:800;background:var(--paper2);text-align:center;text-decoration:none;color:var(--ink)}
.btn.x{background:#111;color:#fff}
.src{font-size:11px;color:var(--ink-soft)}
/* クイズ */
.qset{display:flex;flex-direction:column;gap:8px}
.qflag{width:100%;max-width:420px;align-self:center;height:auto;aspect-ratio:3/2;object-fit:contain;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.2);background:#fff}
.qname{text-align:center;font-family:var(--font-head);font-size:34px;color:var(--navy);margin:6px 0}
.qopts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.qopt{border:3px solid var(--line);background:#fff;border-radius:14px;padding:12px 8px;font-size:17px;font-weight:800;cursor:pointer;min-height:60px;display:flex;align-items:center;justify-content:center;gap:6px}
.qopt img{width:100%;aspect-ratio:3/2;height:auto;object-fit:contain}
.qopt.ok{border-color:var(--green);background:#e3f6ec}
.qopt.ng{border-color:var(--red);background:#fdecea}
.qtop{display:flex;justify-content:space-between;font-weight:800;color:var(--ink-soft)}
.qfeed{min-height:28px;font-size:15px;text-align:center}
.qstart{font-family:var(--font-head);font-size:22px;border:0;cursor:pointer;background:var(--red);color:#fff;border-radius:16px;padding:14px;box-shadow:0 5px 0 #9b2a22}
.result{text-align:center;display:flex;flex-direction:column;gap:6px;align-items:center}
.result .big{font-family:var(--font-head);font-size:44px;color:var(--navy)}
/* スタンプ帳 */
.prog{display:flex;flex-direction:column;gap:8px}
.prow{display:grid;grid-template-columns:7em 1fr 4em;gap:8px;align-items:center;font-size:14px;font-weight:700}
.pbar{height:12px;border-radius:6px;background:var(--paper2);overflow:hidden}
.pbar i{display:block;height:100%;border-radius:6px}
.map{background:#1f4f86;border-radius:12px;overflow:hidden}
.map svg{display:block;width:100%;height:auto}
.map .land{fill:#5e7a58;stroke:#21402a;stroke-width:.3}.map .land.got{fill:var(--gold)}
.stamps{display:flex;flex-wrap:wrap;gap:8px}
.stamp{width:56px;height:56px;border-radius:50%;border:3px solid var(--cc);display:flex;align-items:center;justify-content:center;transform:rotate(var(--rot));background:#fff;overflow:hidden;cursor:pointer;padding:0}
.stamp img{width:100%;height:100%;object-fit:cover;opacity:.9}
footer{color:#c9d2ea;font-size:12px}
footer a{color:var(--gold)}
.crumbs{color:#c9d2ea;font-size:13px}.crumbs a{color:var(--gold)}
#fx{position:fixed;inset:0;pointer-events:none;z-index:30;width:100%;height:100%}
@media (max-width:420px){.today{grid-template-columns:96px 1fr}.today img{width:96px}.grid{grid-template-columns:repeat(3,1fr)}}
@media (prefers-reduced-motion:reduce){.card{animation:none}}
/* 写真・料理カード・動画（2026-10-23） */
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.ph{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.phimg{aspect-ratio:4/3;background:#e9e3d3}
.phimg img{width:100%;height:100%;object-fit:cover;display:block}
.ph figcaption{padding:6px 8px;font-size:13px;line-height:1.4}
.ph figcaption b{display:inline-block;font-size:11px;color:#fff;background:var(--cc,#16244a);border-radius:999px;padding:1px 8px;margin-right:6px}
.dcards{display:grid;gap:10px}
.dcard{display:grid;grid-template-columns:110px 1fr;gap:10px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:8px}
.dimg{position:relative;display:block;aspect-ratio:1;border-radius:10px;overflow:hidden;background:#f3ead6;text-decoration:none}
.dimg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.demo{position:absolute;inset:0;display:grid;place-items:center;font-size:40px}
.dtx{display:flex;flex-direction:column;gap:4px;min-width:0}
.dtx a{color:var(--ink);text-decoration:none;font-size:16px}
.dtx small{color:#666;font-size:13px;line-height:1.5}
.minivid{align-self:flex-start;font:inherit;font-size:13px;font-weight:700;border:0;border-radius:999px;padding:4px 12px;background:#e0483e;color:#fff;cursor:pointer}
.yt{position:relative;display:block;width:100%;padding:0;border:0;border-radius:12px;overflow:hidden;cursor:pointer;aspect-ratio:16/9;background:#000}
.yt img{width:100%;height:100%;object-fit:cover;opacity:.85}
.yt .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:44px;border-radius:12px;background:#e0483e;color:#fff;font-size:22px;display:grid;place-items:center}
.yt .yttl{position:absolute;left:0;right:0;bottom:0;padding:8px 10px;color:#fff;font-weight:700;font-size:14px;text-align:left;background:linear-gradient(transparent,rgba(0,0,0,.75))}
.video{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000;margin-top:6px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.anth{margin-top:10px;line-height:1.7}
.anth .say{margin-top:4px;text-decoration:none;display:inline-block}
[data-vidbox]:not(:empty){margin-top:10px}
/* 大きさくらべ・首都の地図・数え方・国旗の移り変わり（2026-10-23） */
.cmp{background:#eef4fb;border-radius:12px;padding:6px}
.cmp svg{display:block;width:100%;height:auto}
.cmp .cc{fill:var(--cc,#2f6fd6);fill-opacity:.55;stroke:var(--cc,#2f6fd6);stroke-width:1}
.cmp .cj{fill:none;stroke:#e0483e;stroke-width:2.2;stroke-dasharray:5 3}
.cmp .ct{font-size:10px;fill:#555}
.cleg{display:flex;gap:14px;justify-content:center;font-size:13px;padding:4px 0 2px}
.cleg span::before{content:'';display:inline-block;width:14px;height:10px;margin-right:4px;vertical-align:middle;border-radius:2px}
.cleg .lc::before{background:var(--cc,#2f6fd6);opacity:.6}
.cleg .lj::before{border:2px dashed #e0483e;width:10px;height:6px}
.cmpcap{text-align:center;margin:6px 0 0;font-size:15px}
.osm{border-radius:12px;overflow:hidden;background:#e9e3d3;min-height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:8px 0}
.osm iframe{width:100%;aspect-ratio:4/3;border:0;display:block}
.nums{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:8px}
.num{font:inherit;display:flex;flex-direction:column;align-items:center;gap:1px;padding:8px 2px;border:1px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer;min-width:0}
.num b{font-size:20px;line-height:1.1}
.num span{font-size:13px;font-weight:700;word-break:break-word;text-align:center}
.num small{font-size:10px;color:#777;text-align:center;line-height:1.2}
.num.on{background:#ffe9a8;border-color:#e8b84a;transform:scale(1.05)}
.hist{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
.hf{flex:0 0 96px;display:flex;flex-direction:column;align-items:center;gap:4px;text-decoration:none;color:var(--ink);scroll-snap-align:start}
.hf img{width:96px;aspect-ratio:3/2;height:auto;object-fit:contain;background:#fff;border-radius:4px;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.hf small{font-size:11px;text-align:center;line-height:1.3}
.hf.now small{font-weight:800;color:#e0483e}
@media (max-width:420px){.nums{grid-template-columns:repeat(5,1fr)}.num b{font-size:17px}}
.osm .say{margin:0}
/* 地球儀を回す・拡大（2026-10-23） */
.globe svg{cursor:grab;touch-action:none}
.globe svg:active{cursor:grabbing}
.glab{fill:#fff;font-size:13px;font-weight:800;paint-order:stroke;stroke:#0e1a30;stroke-width:3px;pointer-events:none}
.gbtns{position:absolute;right:8px;top:8px;display:flex;flex-direction:column;gap:6px}
.gbtns button{width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.92);font-size:20px;font-weight:800;color:#16244a;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.3)}
.ghint{position:absolute;left:0;right:0;bottom:6px;margin:0;text-align:center;color:rgba(255,255,255,.75);font-size:11px;pointer-events:none}