/* =====================================================================
   OneRoll styles — 紙色ベース＋琥珀アクセント＋フィルムの世界観
   ===================================================================== */
:root{
  --paper:#f4ecdd; --paper-2:#fbf6ec; --ink:#23150b; --text:#2c2117;
  --muted:#8a7a64; --line:#e3d6bf; --line-2:#d8c8ac;
  --accent:#d4601c; --accent-ink:#a8470f; --accent-soft:#f3dcc4;
  --dark:#15110c;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --jp:"Zen Kaku Gothic New",system-ui,sans-serif;
  --mono:"Space Mono",ui-monospace,SFMono-Regular,monospace;
  --r:6px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{
  font-family:var(--jp); color:var(--text); background:var(--paper);
  -webkit-font-smoothing:antialiased; line-height:1.7;
  background-image:radial-gradient(transparent 0,transparent 98%,rgba(120,90,40,.04) 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--accent-ink)}
.mono{font-family:var(--mono)}
.ic{width:1.15em;height:1.15em;flex:none;vertical-align:-.16em}
.muted{color:var(--muted)}
.small{font-size:.84rem}
.warn{color:var(--accent-ink);font-size:.82rem;background:var(--accent-soft);
  border-radius:var(--r);padding:.55rem .7rem;margin:.6rem 0 0}

/* ---------- topbar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;
  padding:.9rem 1.2rem;border-bottom:1px solid var(--line);position:sticky;top:0;
  background:rgba(244,236,221,.86);backdrop-filter:blur(8px);z-index:20}
.brand{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--serif);
  font-weight:600;font-size:1.18rem;letter-spacing:.01em}
.brand-ic{color:var(--accent)}
.badge-demo{font-family:var(--mono);font-size:.68rem;color:var(--accent-ink);
  border:1px solid var(--line-2);border-radius:99px;padding:.2rem .6rem;letter-spacing:.05em}

/* ---------- page ---------- */
.page{max-width:680px;margin:0 auto;padding:1.4rem 1.2rem 4rem}
.page.wide{max-width:980px}
.sec-title{font-family:var(--serif);font-weight:600;font-size:1.7rem;line-height:1.25;margin:0 0 .5rem}
.kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-ink);margin:0 0 .5rem}
.lead{font-size:1.05rem}
.loading,.centered{text-align:center;padding:3rem 1rem}
.centered .btn{margin-top:1rem}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:inherit;font-weight:600;font-size:.98rem;cursor:pointer;
  padding:.7rem 1.15rem;border-radius:var(--r);border:1px solid transparent;
  transition:transform .06s ease, background .15s ease, box-shadow .15s ease;line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 1px 0 var(--accent-ink)}
.btn-accent:hover{background:var(--accent-ink)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--paper-2)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-sm{padding:.5rem .8rem;font-size:.86rem}
.btn-block{display:flex;width:100%}
.linklike{background:none;border:none;color:var(--accent-ink);font:inherit;
  text-decoration:underline;cursor:pointer;padding:0}
.row{display:flex;gap:.6rem;flex-wrap:wrap}

/* ---------- hero ---------- */
.hero{padding:2.4rem 0 1.4rem}
.hero-title{font-family:var(--serif);font-weight:600;font-size:2.5rem;line-height:1.15;margin:.2rem 0 1rem}
.cta-row{display:flex;gap:.7rem;flex-wrap:wrap;margin:1.4rem 0 .4rem}
.hero-strip{display:flex;gap:6px;margin-top:2rem;padding:10px 8px;background:var(--dark);
  border-radius:8px;position:relative}
.hero-strip::before,.hero-strip::after{content:"";position:absolute;left:6px;right:6px;height:6px;
  background-image:repeating-linear-gradient(90deg,#0000 0 7px,rgba(244,236,221,.85) 7px 13px);border-radius:2px}
.hero-strip::before{top:2px} .hero-strip::after{bottom:2px}
.hero-strip span{flex:1;aspect-ratio:4/5;border-radius:2px;
  background:linear-gradient(150deg,#3a2c1c,#1d160e);margin:8px 0}
.hero-strip span:nth-child(odd){background:linear-gradient(150deg,#4a3826,#241a10)}

/* ---------- how / filmroll ---------- */
.how{padding:1.6rem 0}
.filmroll{list-style:none;margin:1rem 0 0;padding:0;border-left:3px dashed var(--line-2)}
.frame{position:relative;display:grid;grid-template-columns:auto 1fr;gap:.9rem 1rem;
  align-items:start;padding:1.1rem 0 1.1rem 1.3rem;margin-left:.2rem}
.frame+.frame{border-top:1px solid var(--line)}
.frame-no{font-family:var(--mono);font-size:.9rem;color:var(--accent-ink);
  position:absolute;left:-1.45rem;top:1.25rem;background:var(--paper);padding:.1rem 0}
.frame-ic{width:46px;height:46px;display:grid;place-items:center;color:var(--accent);
  background:var(--accent-soft);border-radius:50%}
.frame-ic .ic{width:24px;height:24px}
.frame-body h3{font-family:var(--serif);font-weight:600;font-size:1.18rem;margin:.1rem 0 .25rem}
.frame-body p{margin:0;color:#5c4f3e}

.why{padding:1.4rem 0 2rem;border-top:1px solid var(--line);margin-top:1rem}
.why p{color:#5c4f3e}

.foot{display:flex;flex-direction:column;gap:.3rem;border-top:1px solid var(--line);
  padding-top:1.2rem;color:var(--muted);font-size:.85rem}
.foot span:first-child{font-family:var(--serif);font-size:1.05rem;color:var(--text)}
.foot-note{font-size:.78rem}

/* ---------- forms ---------- */
.form-wrap,.join,.album-wait{max-width:560px;margin:0 auto}
.form{display:flex;flex-direction:column;gap:1.2rem;margin-top:1.4rem}
.field{display:flex;flex-direction:column;gap:.4rem;border:none;padding:0;margin:0}
.field>span{font-weight:600;font-size:.95rem}
.field input{font:inherit;padding:.7rem .8rem;border:1px solid var(--line-2);border-radius:var(--r);
  background:var(--paper-2);color:var(--text)}
.field input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.field small{color:var(--muted);font-size:.8rem}
.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
.theme-opt input{position:absolute;opacity:0}
.theme-card{display:flex;flex-direction:column;gap:.2rem;padding:.7rem;border-radius:var(--r);
  border:1.5px solid var(--line-2);cursor:pointer;height:100%;background:var(--paper-2)}
.theme-card b{font-size:.92rem} .theme-card small{font-size:.72rem;color:var(--muted);line-height:1.4}
.theme-opt input:checked + .theme-card{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.theme-card::before{content:"";height:34px;border-radius:3px;margin-bottom:.2rem}
.theme-classic::before{background:linear-gradient(120deg,#c9a36a,#7c5a37)}
.theme-warm::before{background:linear-gradient(120deg,#e8a24a,#b5571c)}
.theme-mono::before{background:linear-gradient(120deg,#cfcabf,#3b362e)}

/* ---------- host ---------- */
.host-head{margin-bottom:1.3rem}
.host-title{font-family:var(--serif);font-weight:600;font-size:1.7rem;margin:.1rem 0 .3rem}
.host-meta{color:var(--muted);font-size:.92rem;margin:0}
.st{font-weight:600} .st-open{color:var(--accent-ink)} .st-closed{color:#8a7a64} .st-revealed{color:#2f7d4f}
.host-grid{display:grid;grid-template-columns:1fr;gap:1.1rem}
@media(min-width:760px){.host-grid{grid-template-columns:1.05fr .95fr}}
.card{border:1px solid var(--line);border-radius:10px;background:var(--paper-2);padding:1.2rem}
.card h2{display:flex;align-items:center;gap:.5rem;font-family:var(--serif);font-weight:600;
  font-size:1.15rem;margin:0 0 .4rem}
.card h2 .ic{color:var(--accent)}
.qr-box{display:grid;place-items:center;padding:1rem;background:var(--paper);
  border-radius:8px;margin:.7rem 0}
.qr-box canvas{border-radius:4px}
.qr-url{font-size:.72rem;word-break:break-all;color:var(--muted);margin-bottom:.7rem;text-align:center}
.stats{display:flex;gap:1.4rem;margin:.4rem 0 1rem}
.stat{display:flex;flex-direction:column}
.stat-num{font-size:2.2rem;line-height:1;color:var(--ink)}
.stat-lbl{font-size:.8rem;color:var(--muted);margin-top:.25rem}
.host-actions{margin-top:1.2rem;display:flex;flex-direction:column;gap:.7rem}
.host-actions .small{margin:.1rem 0 0}
.host-save{margin-top:1.4rem;font-size:.85rem;color:var(--muted)}

/* ---------- join ---------- */
.join-title{font-family:var(--serif);font-weight:600;font-size:2rem;line-height:1.2;margin:.2rem 0 1.2rem}
.join-rules{list-style:none;padding:0;margin:0 0 1.4rem;display:flex;flex-direction:column;gap:.7rem}
.join-rules li{display:flex;align-items:center;gap:.6rem;padding:.7rem .9rem;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r)}
.join-rules .ic{color:var(--accent)}

/* ---------- camera ---------- */
.cam{position:fixed;inset:0;background:#000;z-index:50;overflow:hidden;
  display:flex;flex-direction:column;color:#fff}
#cam-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.cam-vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 45%,transparent 55%,rgba(0,0,0,.55) 100%)}
.cam-frame i{position:absolute;width:26px;height:26px;border:2px solid rgba(255,255,255,.85)}
.cam-frame i:nth-child(1){top:84px;left:24px;border-right:0;border-bottom:0}
.cam-frame i:nth-child(2){top:84px;right:24px;border-left:0;border-bottom:0}
.cam-frame i:nth-child(3){bottom:150px;left:24px;border-right:0;border-top:0}
.cam-frame i:nth-child(4){bottom:150px;right:24px;border-left:0;border-top:0}
.cam-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.cam-flash.go{animation:flash .42s ease-out}
@keyframes flash{0%{opacity:0}8%{opacity:.92}100%{opacity:0}}
.cam-top{position:relative;display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.2rem;z-index:2}
.cam-name{font-size:.9rem;background:rgba(0,0,0,.4);padding:.25rem .7rem;border-radius:99px;
  max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cam-count{background:rgba(0,0,0,.45);padding:.25rem .75rem;border-radius:99px}
.cam-count b{font-size:1.3rem;color:#ffb84d} .cam-count small{opacity:.7;margin-left:.1rem}
.cam-bottom{position:relative;margin-top:auto;display:flex;flex-direction:column;align-items:center;
  gap:.55rem;padding:1.2rem 1rem calc(1.4rem + env(safe-area-inset-bottom));z-index:2;
  background:linear-gradient(transparent,rgba(0,0,0,.5) 40%)}
.cam-hint{margin:0;font-size:.84rem;opacity:.85}
.cam-sub{margin:0;font-size:.74rem;letter-spacing:.08em;opacity:.6;font-family:var(--mono)}
.shutter{width:76px;height:76px;border-radius:50%;border:4px solid #fff;background:#fff;
  cursor:pointer;padding:5px}
.shutter span{display:block;width:100%;height:100%;border-radius:50%;background:var(--accent);
  transition:transform .1s ease}
.shutter.pressed span{transform:scale(.82);background:var(--accent-ink)}
.cam-error{position:absolute;inset:0;background:rgba(0,0,0,.86);display:grid;place-items:center;
  z-index:5;padding:1.5rem;text-align:center}
.cam-error-in p{margin:.3rem 0}

/* ---------- album ---------- */
.album-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;
  margin-bottom:1.2rem;flex-wrap:wrap}
.album-title{font-family:var(--serif);font-weight:600;font-size:1.8rem;margin:.1rem 0 .25rem}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem}
@media(min-width:560px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:860px){.grid{grid-template-columns:repeat(4,1fr)}}
.shot{margin:0;position:relative;background:var(--paper-2);border:1px solid var(--line);
  border-radius:4px;overflow:hidden;cursor:pointer;aspect-ratio:1/1}
.shot img{width:100%;height:100%;object-fit:cover}
.shot figcaption{position:absolute;left:0;right:0;bottom:0;font-size:.72rem;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.6));padding:1.2rem .5rem .4rem;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.album-wait{text-align:center;padding-top:2rem}
.dev-ic{width:64px;height:64px;margin:0 auto 1rem;display:grid;place-items:center;
  color:var(--accent);background:var(--accent-soft);border-radius:50%}
.dev-ic .ic{width:32px;height:32px}
.album-wait h1{font-family:var(--serif);font-weight:600;font-size:1.6rem;margin:.2rem 0 .6rem}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;background:rgba(15,11,7,.94);z-index:60;display:grid;
  place-items:center;padding:1.5rem}
.lightbox img{max-width:100%;max-height:80vh;border-radius:4px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.lb-close{position:absolute;top:1rem;right:1.2rem;font-size:2rem;color:#fff;background:none;
  border:none;cursor:pointer;line-height:1}
.lb-dl{position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%)}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:1.4rem;transform:translate(-50%,140%);z-index:80;
  background:var(--ink);color:#fff;padding:.7rem 1.1rem;border-radius:99px;font-size:.88rem;
  box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .28s ease;max-width:90vw;text-align:center}
.toast.show{transform:translate(-50%,0)}
.toast.error{background:#9a2c1a}

@media(max-width:420px){
  .hero-title{font-size:2.1rem}
  .stats{gap:1rem}.stat-num{font-size:1.9rem}
}

/* ---------- ブラッシュアップ追加 ---------- */
/* コード検索（ランディング） */
.lookup{display:flex;gap:.5rem;margin-top:1rem;max-width:380px}
.lookup input{flex:1;min-width:0;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;
  padding:.6rem .8rem;border:1px solid var(--line-2);border-radius:var(--r);background:var(--paper-2);color:var(--text)}
.lookup input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}

/* あなたが作ったイベント */
.mine{margin-top:2rem;border-top:1px solid var(--line);padding-top:1.4rem}
.mine-title{display:flex;align-items:center;gap:.5rem;font-family:var(--serif);font-weight:600;font-size:1.15rem;margin:0 0 .8rem}
.mine-title .ic{color:var(--accent)}
.mine-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}
.mine-item{display:flex;align-items:center;justify-content:space-between;gap:.8rem;flex-wrap:wrap;
  padding:.7rem .9rem;border:1px solid var(--line);border-radius:var(--r);background:var(--paper-2)}
.mine-info{display:flex;flex-direction:column;min-width:0}
.mine-info b{font-size:.98rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mine-info span{font-size:.78rem;color:var(--muted)}
.mine-act{display:flex;gap:.4rem;flex:none}

/* ホスト：成功バナー・ステップ番号・説明・現像カード */
.host-new{display:flex;align-items:flex-start;gap:.7rem;background:var(--accent-soft);
  border-radius:10px;padding:1rem 1.1rem;margin-bottom:1.3rem}
.host-new .ic{color:var(--accent);flex:none;margin-top:.15rem;width:1.4em;height:1.4em}
.host-new b{display:block;font-size:1rem;margin-bottom:.15rem}
.host-new span{font-size:.86rem;color:#6b5a44}
.step-no{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:var(--accent);color:#fff;font-family:var(--mono);font-size:.8rem;flex:none}
.host-note{display:flex;align-items:flex-start;gap:.45rem;font-size:.84rem;color:#6b5a44;
  background:var(--paper);border:1px dashed var(--line-2);border-radius:var(--r);padding:.6rem .7rem;margin:.9rem 0 0}
.host-note .ic{color:var(--accent-ink);flex:none;margin-top:.1rem}
.reveal-card{margin-top:1.1rem}
.reveal-card .btn-block{margin-top:.5rem}
.reveal-card.is-done{border-color:var(--accent-soft)}
.link-row{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap;
  margin-top:1rem;padding-top:.9rem;border-top:1px solid var(--line)}
.link-lbl{display:flex;align-items:center;gap:.4rem;font-size:.84rem;color:var(--muted)}
.link-lbl .ic{color:var(--accent)}

/* カメラ：前後切替・ミラー */
.cam-controls{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;width:100%;max-width:340px}
.cam-controls .shutter{justify-self:center}
.cam-flip{justify-self:end;width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.35);color:#fff;display:grid;place-items:center;cursor:pointer}
.cam-flip .ic{width:24px;height:24px}
.cam-flip:active{transform:scale(.94)}
#cam-video.mirror{transform:scaleX(-1)}

/* 現像中オーバーレイ */
.developing{position:fixed;inset:0;z-index:90;background:rgba(15,11,7,.92);
  display:grid;align-content:center;justify-items:center;gap:1.1rem;color:var(--paper);text-align:center}
.developing p{font-family:var(--mono);letter-spacing:.1em;font-size:.9rem;margin:0;animation:pulse 1.4s ease-in-out infinite}
.dev-anim{width:88px;height:88px;display:grid;place-items:center;color:var(--accent);
  background:rgba(212,96,28,.16);border-radius:50%;animation:devspin 1.5s ease-in-out infinite}
.dev-anim .ic{width:44px;height:44px}
@keyframes devspin{0%,100%{transform:rotate(-6deg) scale(1)}50%{transform:rotate(6deg) scale(1.08)}}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}

/* 撮り終わり画面の案内 */
.fin .fin-box{max-width:440px;margin:1.2rem auto;background:var(--paper-2);border:1px solid var(--line);
  border-radius:10px;padding:1rem 1.1rem;text-align:left}
.fin-box p{margin:.4rem 0;font-size:.92rem}
.fin-box .ic{color:var(--accent-ink)}
.fin-act{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}