/* えひめ森林迷宮 LP パターンB — アイソメ線画＋極太見出し＋ミント地（参考：sunbousai.jp のトーン） */
:root{
  --mint:#E6F0E4; --mint-d:#D3E3D0; --cream:#FBF7EE; --paper:#FFFFFF;
  --ink:#1E2420; --line:#2A2F2B; --gray:#6F766F;
  --green:#2E7D4F; --teal:#5FA8B8; --coral:#F08A5D; --mustard:#F2B134; --sand:#E7D9B8;
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Zen Kaku Gothic New','Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;color:var(--ink);background:var(--mint);line-height:1.9;-webkit-font-smoothing:antialiased;letter-spacing:.02em}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
h1,h2,h3{margin:0;line-height:1.3}
p{margin:0 0 12px}
a{color:var(--green)}
img{max-width:100%;display:block}
.small{font-size:12.5px;color:var(--gray)}
.disp{font-family:'Archivo Black','Anton',sans-serif;letter-spacing:-.01em;text-transform:uppercase;line-height:.95}
.en{font-family:'Archivo Black',sans-serif;font-size:11px;letter-spacing:.25em;color:var(--teal);text-transform:uppercase}

/* topbar */
.topbar{position:sticky;top:0;z-index:5;background:rgba(230,240,228,.9);backdrop-filter:blur(6px)}
.topbar .in{max-width:820px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{text-decoration:none;color:var(--ink);font-weight:900;font-size:14px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand .mark{width:28px;height:28px;border-radius:50%;background:var(--green);display:inline-grid;place-items:center;color:#fff;font-family:'Archivo Black';font-size:12px}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav a{font-size:12.5px;text-decoration:none;padding:7px 12px;border-radius:999px;border:1.5px solid var(--line);color:var(--ink);font-weight:700;background:transparent}
.nav a.primary{background:var(--ink);color:#fff}

/* hero */
.hero{position:relative;margin:0 -20px;background:linear-gradient(180deg,#F3F7F1 0%,var(--mint) 100%);overflow:hidden}
.hero img.iso{width:100%;height:auto;display:block}
.hero .over{position:absolute;left:20px;right:20px;bottom:8%;pointer-events:none}
.hero .over .disp{font-size:clamp(44px,13vw,118px);color:var(--ink)}
.hero .over .ja{font-size:clamp(15px,3.6vw,22px);font-weight:900;margin-top:8px;letter-spacing:.12em}
.hero .tag{position:absolute;top:14px;left:20px;background:var(--coral);color:#fff;font-weight:900;font-size:12px;padding:6px 12px;border-radius:999px}
.lead{padding:28px 0 6px}
.lead h1{font-size:clamp(26px,6vw,38px);font-weight:900;letter-spacing:.04em}
.lead h1 small{display:block;font-size:14px;color:var(--gray);font-weight:700;margin-top:6px;letter-spacing:.08em}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.pill{padding:6px 14px;border-radius:999px;font-weight:900;font-size:13px;border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.pill.o{background:var(--coral);border-color:var(--coral);color:#fff}.pill.b{background:var(--teal);border-color:var(--teal);color:#fff}.pill.y{background:var(--mustard);border-color:var(--mustard)}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:10px 24px;border-radius:999px;font-weight:900;font-size:15px;text-decoration:none;color:#fff;background:var(--ink);border:1.5px solid var(--ink);cursor:pointer;font-family:inherit;transition:.12s}
.btn:hover{transform:translateY(-1px)}
.btn.y{background:var(--mustard);color:var(--ink);border-color:var(--mustard)}
.btn.o{background:var(--coral);border-color:var(--coral)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.sm{min-height:40px;font-size:13px;padding:6px 16px}

/* section heads */
h2.sec{margin:56px 0 18px;font-size:26px;font-weight:900;letter-spacing:.06em;text-align:center}
h2.sec small{display:block;font-family:'Archivo Black';font-size:11px;letter-spacing:.3em;color:var(--teal);margin-top:4px;text-transform:uppercase}
.wave{height:22px;margin:40px -20px 0;background:radial-gradient(14px 14px at 14px 0,var(--mint) 13px,transparent 14px) 0 0/28px 22px repeat-x,#F3F7F1}

/* badges (scalloped) */
.badges{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:10px 0}
.badge{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;text-align:center;font-weight:900;font-size:16px;line-height:1.35;color:var(--ink);position:relative;background:var(--mustard);
  -webkit-mask:radial-gradient(circle at 50% 50%,#000 64%,transparent 65%),repeating-conic-gradient(from 0deg,#000 0 10deg,transparent 10deg 20deg);-webkit-mask-composite:source-over}
.badge.t{background:var(--teal);color:#fff}.badge.c{background:var(--coral);color:#fff}.badge.g{background:#9CCB9E}
.badge small{display:block;font-size:11px;font-weight:700;opacity:.85}

/* cards */
.card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.card+.card{margin-top:14px}
.card h3{font-size:17px;font-weight:900;margin-bottom:8px}
.story{background:var(--cream);border:1.5px solid var(--line);border-radius:var(--radius);padding:26px 22px;font-size:15.5px;line-height:2.1}
.story p{margin:0}
.story .from{text-align:right;font-size:13px;color:var(--gray);margin-top:12px}
.bubble{display:flex;gap:12px;align-items:flex-end;margin-top:14px}
.bubble img{width:70px;height:auto;flex:none}
.bubble .say{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:10px 14px;font-weight:700;font-size:14px}

/* steps: numbered rail */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:0;position:relative}
.steps::before{content:"";position:absolute;left:31px;top:30px;bottom:30px;border-left:2px dashed var(--line);opacity:.5}
.steps li{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;padding:12px 0}
.steps .n{width:64px;height:64px;border-radius:50%;background:#fff;border:1.5px solid var(--line);display:grid;place-items:center;position:relative;z-index:1}
.steps .n img{width:40px;height:40px;object-fit:contain}
.steps .n b{position:absolute;top:-8px;left:-8px;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:'Archivo Black';font-size:12px}
.steps li:nth-child(1) .n{background:#FFF1E8}.steps li:nth-child(2) .n{background:#E4F1F4}.steps li:nth-child(3) .n{background:#F6E9C8}.steps li:nth-child(4) .n{background:#E7F2E4}.steps li:nth-child(5) .n{background:#FFF7D6}
.steps h3{font-size:17px;font-weight:900;margin-top:10px}
.steps p{margin:4px 0 0;font-size:14px}

/* characters */
.chars{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:640px){.chars{grid-template-columns:repeat(4,1fr)}}
.ch{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);padding:14px 10px;text-align:center}
.ch img{width:100px;height:110px;object-fit:contain;margin:0 auto 8px;filter:saturate(.85)}
.ch .nm{display:inline-block;background:var(--ink);color:#fff;font-weight:900;padding:2px 12px;border-radius:999px;font-size:13px}
.ch.enemy .nm{background:var(--coral)}
.ch p{font-size:12.5px;margin:8px 0 0;text-align:left}

/* rules */
.rules{list-style:none;padding:16px 20px;margin:0;background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);columns:1}
@media(min-width:640px){.rules{columns:2;column-gap:28px}}
.rules li{font-size:13.5px;break-inside:avoid;padding:5px 0;border-bottom:1px dashed rgba(42,47,43,.35)}

/* data */
.data{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14px}
.data th,.data td{padding:11px 14px;border-bottom:1px solid rgba(42,47,43,.2);text-align:left;vertical-align:top}
.data th{width:32%;background:var(--cream);white-space:nowrap;font-weight:900}
.data tr:last-child td,.data tr:last-child th{border-bottom:0}

footer{margin:64px 0 32px;text-align:center;font-size:12.5px;color:var(--gray)}
footer .credit{font-weight:900;color:var(--ink)}

/* ===== game ===== */
.progress{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin:16px 0 6px}
.progress .dot{width:40px;height:40px;border-radius:50%;background:#fff;border:1.5px solid var(--line);display:grid;place-items:center;font-size:12px;font-weight:900;color:var(--gray)}
.progress .dot.done{background:var(--ink);color:#fff}
.progress .dot.now{border-color:var(--coral);color:var(--coral);border-width:2.5px}
.step{margin-top:28px;border-radius:var(--radius);padding:20px 16px 22px;background:#fff;border:1.5px solid var(--line);position:relative}
.step-h{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.step-h img{width:66px;height:72px;object-fit:contain;filter:saturate(.85)}
.step-h .t{font-weight:900;font-size:20px}
.step-h .t small{display:block;font-size:12px;color:var(--gray);font-weight:700}
.step .say{background:var(--cream);border-radius:14px;padding:10px 14px;font-size:14px;border:1px dashed var(--line);margin-bottom:12px}
.qgrid{display:grid;gap:12px}
@media(min-width:640px){.qgrid{grid-template-columns:repeat(2,1fr)}.qgrid .q.wide{grid-column:1/-1}}
.q{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:14px 12px 12px;position:relative}
.q .lbl{position:absolute;top:-12px;left:12px;background:var(--ink);color:#fff;font-weight:900;font-size:12px;padding:2px 10px;border-radius:999px}
.q .ref{font-size:11.5px;color:var(--gray);text-align:right}
.q .ask{font-weight:700;font-size:15px;margin:6px 0 10px;min-height:44px}
.q .ask .blank{display:inline-block;min-width:1.2em;border-bottom:2px solid var(--ink);margin:0 2px;text-align:center;color:var(--coral)}
.ans{display:flex;gap:8px}
.ans input{flex:1;min-width:0;font-size:17px;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;background:#fff}
.ans input:disabled{background:var(--mint);font-weight:900}
.ans button{flex:none;min-width:72px;background:var(--mustard);border:1.5px solid var(--line);border-radius:10px;font-weight:900;font-size:15px;font-family:inherit;cursor:pointer;color:var(--ink)}
.ans button:disabled{background:var(--ink);color:#fff}
.q .msg{font-size:13px;min-height:20px;margin-top:6px;font-weight:700}
.q .msg.ng{color:var(--coral)} .q .msg.ok{color:var(--green)}
.q .hint{display:inline-flex;align-items:center;gap:6px;margin-top:4px;font-size:13px;font-weight:900;color:var(--ink);text-decoration:none;border:1.5px solid var(--line);padding:4px 12px;border-radius:999px;background:#fff}
.q.solved{background:var(--cream)}
.lock{position:absolute;inset:0;border-radius:var(--radius);background:rgba(230,240,228,.88);display:grid;place-items:center;text-align:center;font-weight:900;z-index:2;backdrop-filter:blur(2px)}
.lock small{display:block;font-weight:700;color:var(--gray);font-size:12px}
.keyword{margin-top:14px;background:var(--ink);color:#fff;border-radius:16px;padding:16px;text-align:center}
.keyword .kw{font-family:'Archivo Black';font-size:30px;letter-spacing:.2em;background:#fff;color:var(--ink);border-radius:10px;padding:4px 12px;display:inline-block;margin:8px 0}
.unlock{position:fixed;inset:0;background:rgba(30,36,32,.6);display:none;place-items:center;z-index:50;padding:20px}
.unlock.show{display:grid}
.unlock .box{background:#fff;border-radius:20px;padding:26px 22px;max-width:420px;text-align:center;border:1.5px solid var(--line)}
.unlock .box h3{font-size:20px;margin-bottom:8px;font-weight:900}
.ending{background:var(--cream);border:1.5px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center;margin-top:28px}
.ending .cert{background:#fff;border:1.5px dashed var(--line);border-radius:16px;padding:14px;margin:12px 0}
.ending h2{font-size:24px;font-weight:900}
.choice{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.choice label{flex:1;min-width:120px;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:8px 10px;font-size:13.5px;cursor:pointer;display:flex;gap:6px;align-items:center}
.choice input{accent-color:var(--ink)}
.toolbar{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}
.toolbar button{font-size:12px;background:none;border:1.5px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--gray);cursor:pointer;font-family:inherit}

/* ===== hint ===== */
.hint-warn{background:#FFF1E8;border:1.5px solid var(--coral);border-radius:16px;padding:12px 16px;font-size:14px;font-weight:700;margin:14px 0 22px}
.hgroup{margin-top:28px}
.hgroup h2{font-size:18px;font-weight:900;display:flex;align-items:center;gap:10px}
.hgroup h2 img{width:40px;height:44px;object-fit:contain;filter:saturate(.85)}
.hq{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:12px 14px;margin-top:12px}
.hq .ttl{font-weight:900;display:flex;justify-content:space-between;align-items:center;gap:8px}
.hq .ttl .ask{font-weight:700;font-size:13px}
.hq details{margin-top:8px;border-radius:10px;background:var(--cream);border:1px solid var(--line)}
.hq summary{cursor:pointer;list-style:none;padding:8px 12px;font-weight:900;display:flex;align-items:center;gap:8px}
.hq summary::-webkit-details-marker{display:none}
.hq summary::before{content:"▶";font-size:10px;color:var(--coral)}
.hq details[open] summary::before{content:"▼"}
.hq details .body{padding:0 14px 12px;font-size:14px}
.hq details.ans summary{color:var(--coral)}
.hq details.ans .body b{font-size:18px;color:var(--coral);letter-spacing:.1em}
.hq details.ans[data-locked] summary::after{content:"（タップ2回で表示）";font-size:11px;color:var(--gray);font-weight:400}
.toc{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}
.toc a{font-size:12.5px;text-decoration:none;background:#fff;border:1.5px solid var(--line);color:var(--ink);padding:4px 10px;border-radius:999px;font-weight:700}
.back-to-game{position:fixed;right:14px;bottom:14px;z-index:9}

/* ===== pattern C: B の器 + A の絵 ===== */
.hero2{display:grid;gap:18px;margin:18px 0 0;align-items:center}
@media(min-width:700px){.hero2{grid-template-columns:1.05fr .95fr;gap:28px}}
.hero2-text .tag{display:inline-block;background:var(--coral);color:#fff;font-weight:900;font-size:12px;padding:6px 12px;border-radius:999px;margin-bottom:10px}
.hero2-text .disp{font-size:clamp(56px,12vw,96px);color:var(--ink)}
.hero2-text h1{font-size:clamp(26px,5.6vw,36px);font-weight:900;letter-spacing:.04em;margin-top:8px}
.hero2-text h1 small{display:block;font-size:13.5px;color:var(--gray);font-weight:700;margin-top:6px;letter-spacing:.06em}
.hero2-text .pills{margin:14px 0 6px}
.hero2-kv{position:relative}
.hero2-kv img{width:100%;height:auto;border:1.5px solid var(--line);border-radius:18px;box-shadow:10px 10px 0 var(--mint-d)}
@media(max-width:699px){.hero2{grid-template-columns:1fr}.hero2-kv{order:-1;margin:0 8px 6px 0}.hero2-text .disp{font-size:clamp(48px,14vw,72px)}}
.parkmap{border:1.5px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#F3F7F1;margin-bottom:14px}
.parkmap img{width:100%;height:auto;display:block}
.parkmap .cap{font-size:12.5px;color:var(--gray);padding:8px 14px;border-top:1.5px solid var(--line);background:#fff}

/* ===== pattern C v2: wide KV on PC, original KV on mobile ===== */
.hero3{margin:16px 0 0}
.hero3 picture img{width:100%;height:auto;border:1.5px solid var(--line);border-radius:18px;box-shadow:10px 10px 0 var(--mint-d);display:block}
@media(max-width:699px){.hero3 picture img{box-shadow:6px 6px 0 var(--mint-d);margin-right:6px}}
.hero3-text{padding:22px 4px 0}
.hero3-text .tag{display:inline-block;justify-self:start;background:var(--coral);color:#fff;font-weight:900;font-size:12px;padding:6px 12px;border-radius:999px}
.hero3-text h1{font-size:clamp(26px,5.6vw,36px);font-weight:900;letter-spacing:.04em;margin-top:8px}
.hero3-text h1 small{display:block;font-size:13.5px;color:var(--gray);font-weight:700;margin-top:6px;letter-spacing:.06em}
@media(min-width:700px){.hero3-text{display:grid;grid-template-columns:1fr auto;gap:10px 28px;align-items:end}.hero3-text .tag{grid-column:1}.hero3-text .en{grid-column:1}.hero3-text h1{grid-column:1}.hero3-text .pills{grid-column:1}.hero3-text .small{grid-column:1;margin:0}.hero3-text .cta{grid-column:2;grid-row:1/6;flex-direction:column;align-items:stretch;margin:0}}

/* ===== pattern C v3: leaflet forest-pattern background ===== */
body{background:#EEF3EA}
body::before{content:"";position:fixed;inset:0;background:url(../img/tile.jpg) center/520px repeat;opacity:.55;pointer-events:none;z-index:0;mix-blend-mode:multiply}
.wrap,.topbar{position:relative;z-index:1}
.topbar{background:rgba(238,243,234,.92)}
.card,.story,.ch,.rules,.data,.step,.q,.hq,.parkmap,.steps li .n{background-color:rgba(255,255,255,.96)}
.story{background-color:#FFFDF6}

/* ===== UI kit（Magnific生成・表紙トーンの飾り）===== */
.btn{background:url(../img/ui/btn_wood.png) center/100% 100% no-repeat;border:0;color:#FFF8E7;text-shadow:0 1px 0 rgba(0,0,0,.35);min-height:56px;padding:12px 30px;border-radius:0;filter:drop-shadow(0 3px 0 rgba(60,35,10,.35))}
.btn:hover{transform:translateY(-1px);filter:drop-shadow(0 4px 0 rgba(60,35,10,.35)) brightness(1.05)}
.btn.y{background-image:url(../img/ui/btn_yellow.png);color:#4a2a08;text-shadow:0 1px 0 rgba(255,255,255,.35)}
.btn.o{background-image:url(../img/ui/btn_green.png);color:#FFF8E7}
.btn.ghost{background-image:url(../img/ui/btn_green.png);color:#FFF8E7}
.btn.sm{min-height:44px;padding:8px 22px;font-size:13.5px}
.ans button{background:url(../img/ui/btn_yellow.png) center/100% 100% no-repeat;border:0;color:#4a2a08;min-width:84px;box-shadow:none}
.ans button:disabled{background-image:url(../img/ui/btn_green.png);color:#fff}
h2.sec{position:relative;padding-bottom:26px}
h2.sec::after{content:"";display:block;width:min(420px,80%);height:46px;margin:6px auto 0;background:url(../img/ui/divider.png) center/contain no-repeat}
.steps .n{background:url(../img/ui/medal_a.png) center/100% 100% no-repeat !important;border:0;width:72px;height:70px}
.steps .n img{width:34px;height:34px}
.steps .n b{background:url(../img/ui/btn_yellow.png) center/100% 100% no-repeat;color:#4a2a08;width:30px;height:24px;border-radius:0;font-size:12px;top:-6px;left:-10px}
.steps li:nth-child(2) .n{background-image:url(../img/ui/medal_b.png) !important}.steps li:nth-child(3) .n{background-image:url(../img/ui/medal_c.png) !important}.steps li:nth-child(4) .n{background-image:url(../img/ui/medal_b.png) !important}.steps li:nth-child(5) .n{background-image:url(../img/ui/medal_a.png) !important}
.steps::before{display:none}
.progress .dot{background:url(../img/ui/medal_a.png) center/100% 100% no-repeat;border:0;width:46px;height:44px;color:#4a2a08;font-size:11px}
.progress .dot.done{background-image:url(../img/ui/medal_c.png);color:#4a2a08}
.progress .dot.now{background-image:url(../img/ui/medal_b.png);color:#1f3a14}
.card,.story,.step{position:relative}
.card::before,.story::before,.step::before{content:"";position:absolute;left:-10px;top:-12px;width:64px;height:68px;background:url(../img/ui/corner_tl.png) center/contain no-repeat;pointer-events:none;border:0;inset:auto}
.card::after,.story::after,.step::after{content:"";position:absolute;right:-10px;bottom:-12px;width:62px;height:68px;background:url(../img/ui/corner_br.png) center/contain no-repeat;pointer-events:none}
.story::before{inset:auto;left:-10px;top:-12px;border:0;border-radius:0}
.hero3-text .tag,.pill.o{background:url(../img/ui/ribbon.png) center/100% 100% no-repeat;color:#4a2a08;border:0;padding:8px 22px;text-shadow:none}
.badges .badge{background:url(../img/ui/medal_a.png) center/100% 100% no-repeat !important;-webkit-mask:none;color:#4a2a08;width:160px;height:154px}
.badges .badge.t{background-image:url(../img/ui/medal_b.png) !important}.badges .badge.c{background-image:url(../img/ui/medal_c.png) !important}
.ch img{filter:none}
.step-h img{filter:none}
.chars .ch::before{background:url(../img/ui/ic_acorn.png) center/contain no-repeat;width:28px;height:34px;left:8px;top:8px}
.chars .ch::after{display:none}
.rules{position:relative}.rules::before{content:"";position:absolute;left:-10px;top:-12px;width:64px;height:68px;background:url(../img/ui/corner_tl.png) center/contain no-repeat}
.data th{background:#F3EBD6}
/* UI kit 調整 v4.1：角飾りは枠の外側へ、バッジ文字の視認性、リボンの余白 */
.card,.story,.step,.rules{padding-top:26px}
.card::before,.story::before,.step::before,.rules::before{left:-16px;top:-18px;width:54px;height:58px}
.card::after,.story::after,.step::after{right:-16px;bottom:-18px;width:52px;height:58px}
.badges .badge{color:#FFF3D6;text-shadow:0 1px 2px rgba(40,20,0,.85),0 0 6px rgba(40,20,0,.6);font-size:15px}
.badges .badge small{color:#FFF3D6;opacity:1}
.hero3-text .tag,.pill.o{padding:9px 34px;font-size:11.5px}
.pill.o{padding:7px 26px}
.chars .ch{padding-top:14px}
.chars .ch::before{display:none}
.step .say{margin-top:4px}
/* ===== v4.2：操作要素（ボタン・リンク・入力）はシンプルに。装飾（メダル・区切り・角飾り）はそのまま ===== */
.btn{background:var(--ink) !important;background-image:none !important;color:#fff !important;text-shadow:none;border-radius:999px;border:0;min-height:54px;padding:12px 28px;filter:none;box-shadow:0 4px 0 rgba(0,0,0,.22);font-size:16px}
.btn:hover{transform:translateY(-1px);filter:none;box-shadow:0 5px 0 rgba(0,0,0,.22)}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.22)}
.btn.y{background:var(--mustard) !important;color:var(--ink) !important;box-shadow:0 4px 0 #b98f1f}
.btn.o{background:var(--coral) !important;color:#fff !important;box-shadow:0 4px 0 #b86538}
.btn.ghost{background:#fff !important;color:var(--ink) !important;border:2px solid var(--ink);box-shadow:0 4px 0 rgba(0,0,0,.18)}
.btn.sm{min-height:42px;font-size:14px;padding:8px 20px}
.ans button{background:var(--mustard) !important;background-image:none !important;border:0;border-radius:12px;color:var(--ink);box-shadow:0 3px 0 #b98f1f;min-width:84px}
.ans button:disabled{background:var(--green) !important;color:#fff;box-shadow:none}
.ans input{border-radius:12px}
.q .hint{background:#fff;border:2px solid var(--teal);color:var(--teal)}
.nav a{background:#fff}.nav a.primary{background:var(--ink)}
.hero3-text .tag,.pill.o{background:var(--coral);background-image:none;color:#fff;padding:7px 14px;border-radius:999px}
.hero3-text .tag{padding:6px 12px;font-size:12px}
.toc a,.back-to-game{background:#fff}
.back-to-game{background:var(--ink) !important;color:#fff !important}
/* v5.1：SPのナビは横並び1行 */
.topbar .in{flex-wrap:nowrap;gap:8px}
.nav{flex-wrap:nowrap;gap:5px}
.nav a{white-space:nowrap;font-size:12px;padding:7px 9px}
.brand{font-size:13px}
@media(max-width:380px){.nav a{font-size:11px;padding:6px 7px}.brand .mark{display:none}}

/* ヒント：セクションタブ */
.htabs{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 6px}
.htab{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:13px;font-weight:900;color:var(--ink);background:#fff;border:1.5px solid var(--line);padding:6px 12px 6px 8px;border-radius:999px;cursor:pointer}
.htab img{width:22px;height:22px;object-fit:contain}
.htab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.hpanel[hidden]{display:none}