/* ④ 好き顔9選メーカー。名前は .b34k- だけ。動きは transform と opacity だけ。
   顔は 8×8 の 1 枚絵（--sheet）から --x / --y で切り出す */
.b34k{--ac:#ff7a59;--ac2:#ffb347;--ink:#2b2433;--sub:#706878;--bg1:#fff3ec;--line:#f1e4dc;max-width:720px;margin:0 auto;padding:0 16px 24px;color:var(--ink);box-sizing:border-box}
.b34k *{box-sizing:border-box}
.b34k-f{display:block;width:100%;aspect-ratio:1;border-radius:inherit;background-image:var(--sheet);background-size:800% 800%;background-position:calc(var(--x) * 100% / 7) calc(var(--y) * 100% / 7);background-color:#fff}
.b34k-hero{text-align:center;padding:22px 0 6px}
.b34k-h1{font-size:clamp(28px,8vw,40px);line-height:1.2;margin:0 0 12px;font-weight:900}
.b34k-h1 span{display:block;font-size:.45em;color:var(--sub);font-weight:800;margin-top:6px}
.b34k-demo{position:relative;width:min(240px,64vw);margin:0 auto 14px;border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(120,60,30,.14);overflow:hidden}
.b34k-demo img{display:block;width:100%;height:auto}
.b34k-demo i{left:calc(3% + var(--c) * 32.65%);top:calc(3% + var(--r) * 32.65%)}
.b34k-c i{left:4px;top:4px}
.b34k-demo i,.b34k-c i{position:absolute;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--ac);color:#fff;font-size:11.5px;font-weight:900;font-style:normal;line-height:20px;text-align:center}
.b34k-lead{font-size:15px;line-height:1.8;margin:0 auto 6px;max-width:34em;text-align:left}
.b34k-meta{font-size:12px;color:var(--sub);margin:8px 0 0}
.b34k-app{scroll-margin-top:92px;margin:12px 0 18px}
.b34k-start,.b34k-again,.b34k-you{text-align:center}
.b34k-you{margin:14px 0 0}
.b34k-btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border:0;border-radius:999px;background:var(--ac);color:#fff;font:inherit;font-size:17px;font-weight:900;cursor:pointer;box-shadow:0 6px 0 rgba(0,0,0,.14);width:100%;max-width:340px}
.b34k-btn:disabled{background:#d9cfd0;box-shadow:none;cursor:default}
.b34k-btn--sub{background:#fff;color:var(--ac);border:2px solid var(--ac);box-shadow:none;font-size:15px;min-height:46px}
.b34k-btn.is-shake{animation:b34k-shake .35s}
@keyframes b34k-shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.b34k-tabs{display:flex;gap:6px;background:var(--bg1);padding:4px;border-radius:999px;margin:0 0 8px}
.b34k-tabs button{flex:1;min-height:40px;border:0;border-radius:999px;background:none;font:inherit;font-size:14px;font-weight:800;color:var(--sub);cursor:pointer}
.b34k-tabs button[aria-selected="true"]{background:#fff;color:var(--ac);box-shadow:0 2px 6px rgba(0,0,0,.08)}
.b34k-hint{font-size:13px;color:var(--sub);margin:0 0 10px;line-height:1.6}
.b34k-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
@media (min-width:560px){.b34k-grid{grid-template-columns:repeat(6,1fr)}}
.b34k-t{position:relative;display:flex;flex-direction:column;align-items:stretch;gap:3px;padding:4px 4px 5px;border:2px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;font:inherit;color:var(--ink);min-width:0}
.b34k-t .b34k-f{border-radius:10px}
.b34k-t small{font-size:10.5px;line-height:1.25;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}
.b34k-t.is-on{border-color:var(--ac);background:var(--bg1)}
.b34k-no{position:absolute;right:-5px;top:-6px;min-width:24px;height:24px;border-radius:999px;background:var(--ac);color:#fff;font-size:13px;font-weight:900;font-style:normal;line-height:24px;text-align:center;opacity:0;transform:scale(.4);transition:transform .18s,opacity .18s;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.b34k-t.is-on .b34k-no{opacity:1;transform:scale(1)}
.b34k-page{text-align:center}
.b34k-pn{font-size:13px;font-weight:800;color:var(--sub);margin:0 0 8px}
.b34k-nine{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:420px;margin:0 auto}
.b34k-nine .b34k-t small{font-size:12px}
.b34k-next{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:2px dashed var(--ac);border-radius:14px;background:var(--bg1);color:var(--ac);font:inherit;font-weight:900;cursor:pointer;min-height:100px}
.b34k-next b{font-size:13px}.b34k-next span{font-size:24px;line-height:1}
.b34k-prev{margin-top:10px;background:none;border:0;color:var(--sub);font:inherit;font-size:13px;cursor:pointer;padding:8px}
.b34k-tray{position:sticky;bottom:var(--b34k-bn,0px);z-index:5;display:flex;align-items:center;gap:12px;margin:12px -16px 0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1.5px solid var(--line);box-shadow:0 -6px 18px rgba(0,0,0,.06)}
.b34k-tl{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.b34k-tl p{margin:0;font-size:13px;color:var(--sub)}
.b34k-tl b{font-size:20px;color:var(--ink)}
.b34k-tl .b34k-btn{min-height:44px;font-size:15px;padding:0 12px}
.b34k-mini{display:grid;grid-template-columns:repeat(3,34px);gap:3px;flex:none}
.b34k-m{position:relative;width:34px;height:34px;border-radius:8px;background:var(--bg1);border:1.5px dashed #e9cfc4;padding:0;overflow:hidden;font:inherit;cursor:default}
.b34k-m.is-in{border:1.5px solid var(--ac);cursor:pointer}
.b34k-m .b34k-f{border-radius:6px}
.b34k-m i{position:absolute;left:1px;top:0;font-size:9px;font-style:normal;font-weight:900;color:#c9a99c}
.b34k-m.is-in i{color:#fff;text-shadow:0 0 3px rgba(0,0,0,.7)}
.b34k-m.is-pop{animation:b34k-pop .32s cubic-bezier(.3,1.6,.5,1)}
@keyframes b34k-pop{0%{transform:scale(.3);opacity:.2}100%{transform:scale(1);opacity:1}}
/* 3×3 の盤 */
.b34k-stage{text-align:center;padding:10px 0}
.b34k-sl{font-size:14px;font-weight:800;color:var(--sub);margin:12px 0 0}
.b34k-board{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;width:min(300px,78vw);margin:0 auto;padding:8px;border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(120,60,30,.14)}
.b34k-board.is-small{width:min(210px,60vw);gap:4px;padding:6px}
.b34k-c{position:relative;aspect-ratio:1;border-radius:10px;background:var(--bg1);overflow:hidden}
.b34k-c .b34k-f{border-radius:10px}
.b34k-board.is-small .b34k-c i{min-width:16px;height:16px;font-size:10px;line-height:16px}
.b34k-board.is-fill .b34k-c .b34k-f{animation:b34k-in .38s cubic-bezier(.3,1.5,.5,1) both}
@keyframes b34k-in{0%{transform:scale(.2) rotate(-12deg);opacity:0}100%{transform:none;opacity:1}}
.b34k-board::after{content:"";position:absolute;inset:-3px;border-radius:20px;box-shadow:0 0 0 3px var(--ac2),0 0 28px 6px rgba(255,170,60,.65);opacity:0;pointer-events:none}
.b34k-board.is-glow::after{animation:b34k-glow .8s ease-out forwards}
.b34k-board.is-glow .b34k-c{animation:b34k-cell .5s ease-out both;animation-delay:calc(var(--d) * 40ms)}
@keyframes b34k-glow{0%{opacity:0}40%{opacity:1}100%{opacity:.85}}
@keyframes b34k-cell{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}
.b34k-card{text-align:center;padding:16px 14px 16px;background:linear-gradient(170deg,#fff6ef,#fff 55%,#fff4e0);border-radius:18px}
.b34k-ck{font-size:13px;font-weight:900;margin:0 0 10px}
.b34k-ck span{margin-left:6px;font-size:11px;padding:1px 8px;border-radius:999px;border:1.5px solid var(--ac);color:var(--ac)}
.b34k-card .b34k-board{box-shadow:0 4px 14px rgba(120,60,30,.12)}
.b34k-ct{font-size:15px;font-weight:800;margin:14px 0 2px}
.b34k-ct b{display:block;font-size:clamp(22px,6.4vw,28px);color:var(--ac);font-weight:900;margin-top:2px}
.b34k-cl{font-size:13px;color:var(--sub);margin:2px 0 0;font-weight:700}
.b34k-cm{display:inline-block;font-size:13.5px;font-weight:800;margin:10px 0 0;padding:4px 12px;border-radius:999px;background:#fff;border:1.5px solid var(--line)}
.b34k-cm b{color:var(--ac)}
.b34k-after{margin-top:16px;display:flex;flex-direction:column;gap:14px}
.b34k-x{background:#fff;border-radius:16px;padding:16px;border:1.5px solid var(--line)}
.b34k-h3{font-size:16px;font-weight:900;margin:0 0 8px}
.b34k-x p{font-size:14.5px;line-height:1.75;margin:0 0 8px}
.b34k-note{font-size:12.5px !important;color:var(--sub);line-height:1.7}
.b34k-bar{display:grid;grid-template-columns:6em 1fr;align-items:center;gap:8px;margin:0 0 6px !important;font-size:13px !important}
.b34k-bar i{display:block;height:10px;border-radius:9px;background:var(--ac)}
.b34k-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;counter-reset:k}
.b34k-list li{counter-increment:k}
.b34k-list a{position:relative;display:flex;flex-direction:column;gap:2px;text-decoration:none;color:var(--ink);font-size:12px;text-align:center}
.b34k-list a::before{content:counter(k);position:absolute;left:2px;top:2px;z-index:1;min-width:18px;height:18px;border-radius:999px;background:var(--ac);color:#fff;font-size:10.5px;font-weight:900;line-height:18px}
.b34k-list .b34k-f{border-radius:10px}
.b34k-list b{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.b34k-list small{font-size:10.5px;color:var(--sub)}
@media (prefers-reduced-motion:reduce){.b34k-board.is-fill .b34k-c .b34k-f,.b34k-board.is-glow::after,.b34k-board.is-glow .b34k-c,.b34k-m.is-pop{animation:none}.b34k-board.is-glow::after{opacity:.85}}