/* まっさら — Massara. Production-finish mobile web app.
   Modern system-native styling: fluid type, safe-area insets, light/dark, reduced-motion. */

:root{
  --brand:#2bb673; --brand-ink:#0f7a4d; --brand-soft:#e7f7ef;
  --accent:#ff8a3d;
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#f0f2f5;
  --ink:#11141a; --muted:#697586; --line:#e6e9ee;
  --danger:#e5484d; --warn:#f5a524;
  --radius:18px; --radius-sm:12px; --radius-lg:26px;
  --shadow:0 1px 2px rgba(16,20,26,.06),0 8px 24px rgba(16,20,26,.08);
  --shadow-lg:0 8px 40px rgba(16,20,26,.18);
  --tap:#0000;
  --safe-t:env(safe-area-inset-top); --safe-b:env(safe-area-inset-bottom);
  --maxw:480px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0e1014;--surface:#171a20;--surface-2:#1f242c;--ink:#eef1f6;--muted:#9aa3b2;
        --line:#272d36;--brand-soft:#10261d;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.45);}
}

*{box-sizing:border-box;-webkit-tap-highlight-color:var(--tap);min-width:0}
html,body{height:100%;width:100%;max-width:100%;overflow-x:hidden}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN",
    "Noto Sans JP","Segoe UI",Roboto,system-ui,sans-serif;
  font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
img{display:block;max-width:100%}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---- app shell : phone-frame on desktop, full-bleed on mobile ---- */
#app{
  width:100%;max-width:var(--maxw);margin:0 auto;min-height:100dvh;
  background:var(--bg);display:flex;flex-direction:column;position:relative;
  padding-top:var(--safe-t);overflow-x:hidden;
}
@media(min-width:520px){
  body{display:flex;align-items:center;justify-content:center;padding:24px}
  #app{height:880px;max-height:94vh;border-radius:38px;overflow:hidden;
       box-shadow:var(--shadow-lg);border:1px solid var(--line)}
}

/* ---- top bar ---- */
.appbar{
  display:flex;align-items:center;gap:10px;padding:14px 18px 10px;position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.5) blur(12px);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.02em;font-size:19px}
.brand .logo{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-ink));color:#fff;font-size:17px;
  box-shadow:0 4px 12px rgba(43,182,115,.4)}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);
  padding:7px 12px;border-radius:999px;font-weight:700;font-size:14px;box-shadow:var(--shadow)}
.chip .tk{color:var(--brand-ink)} .chip svg{width:15px;height:15px}

/* ---- screens ---- */
.screens{flex:1;position:relative;overflow:hidden}
.screen{position:absolute;inset:0;overflow-y:auto;padding:6px 18px 24px;
  display:flex;flex-direction:column;gap:16px;
  opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .28s,transform .28s}
.screen.on{opacity:1;transform:none;pointer-events:auto}
@media(prefers-reduced-motion:reduce){.screen{transition:none}}

h1.title{font-size:26px;font-weight:800;letter-spacing:-.03em;margin:8px 2px 0}
.subtitle{color:var(--muted);margin:0 2px;font-size:14.5px}

/* ---- big capture card ---- */
.hero{background:linear-gradient(165deg,var(--brand-soft),var(--surface));border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 20px;display:flex;flex-direction:column;gap:6px;align-items:center;text-align:center;box-shadow:var(--shadow)}
.hero .art{width:108px;height:108px;margin:4px 0 6px;border-radius:24px;background:var(--surface);
  display:grid;place-items:center;font-size:52px;box-shadow:var(--shadow);border:1px solid var(--line)}
.hero h2{margin:2px 0 0;font-size:20px;letter-spacing:-.02em}
.hero p{margin:0;color:var(--muted);font-size:14px}

.btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  padding:16px;border-radius:16px;font-weight:800;font-size:16.5px;letter-spacing:-.01em;
  transition:transform .08s ease, filter .2s; user-select:none}
.btn:active{transform:scale(.978)}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-ink));color:#fff;
  box-shadow:0 6px 18px rgba(43,182,115,.38)}
.btn.secondary{background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow)}
.btn.ghost{background:transparent;color:var(--muted);font-weight:700}
.btn svg{width:21px;height:21px}
.btn[disabled]{opacity:.5;pointer-events:none}
.btnrow{display:flex;flex-direction:column;gap:11px}

.hint{color:var(--muted);font-size:12.5px;text-align:center;margin:2px 4px}

/* ---- frame / preview ---- */
.frame{position:relative;background:#0c0d10;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.frame video,.frame img,.frame canvas{width:100%;height:100%;object-fit:contain}
.frame .badge{position:absolute;top:10px;left:10px;background:#000a;color:#fff;font-size:11px;font-weight:700;
  padding:5px 10px;border-radius:8px;backdrop-filter:blur(6px)}
.guide{position:absolute;inset:14px;border:2.5px dashed #ffffff66;border-radius:14px;pointer-events:none}

/* ---- processing ---- */
.processing{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center}
.loader{width:62px;height:62px;border-radius:50%;border:5px solid var(--surface-2);border-top-color:var(--brand);animation:spin .85s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.proc-img{width:180px;height:240px;object-fit:cover;border-radius:16px;box-shadow:var(--shadow);position:relative}
.sweep{position:absolute;inset:0;border-radius:16px;overflow:hidden}
.sweep::after{content:"";position:absolute;left:0;right:0;height:40%;
  background:linear-gradient(180deg,#2bb67300,#2bb67366,#2bb67300);animation:sweep 1.4s ease-in-out infinite}
@keyframes sweep{0%{top:-40%}100%{top:100%}}
@media(prefers-reduced-motion:reduce){.loader{animation:none}.sweep::after{animation:none}}

/* ---- result ---- */
.result-stage{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#0c0d10}
.result-stage img{width:100%;display:block}
.ba-tag{position:absolute;top:10px;left:10px;background:#000a;color:#fff;font-size:12px;font-weight:800;
  padding:6px 11px;border-radius:9px;backdrop-filter:blur(6px)}
.trust{display:flex;align-items:center;gap:8px;color:var(--brand-ink);background:var(--brand-soft);
  border:1px solid color-mix(in srgb,var(--brand) 25%,transparent);
  padding:11px 14px;border-radius:14px;font-size:13.5px;font-weight:600}
.trust svg{width:18px;height:18px;flex:none}

/* ---- store / tickets ---- */
.balance-card{background:linear-gradient(140deg,var(--brand-ink),#0c5c3a);color:#fff;border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.balance-card::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:#ffffff14}
.balance-card .lbl{opacity:.85;font-size:13px;font-weight:600}
.balance-card .big{font-size:46px;font-weight:850;letter-spacing:-.03em;line-height:1.05;margin-top:2px}
.balance-card .big small{font-size:18px;font-weight:700;opacity:.85}
.pack{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:15px 16px;box-shadow:var(--shadow);width:100%;text-align:left}
.pack:active{transform:scale(.99)}
.pack .pk-ico{width:46px;height:46px;border-radius:13px;background:var(--brand-soft);display:grid;place-items:center;font-size:24px;flex:none}
.pack .pk-main{flex:1}
.pack .pk-name{font-weight:800;font-size:16px}
.pack .pk-sub{color:var(--muted);font-size:12.5px}
.pack .pk-price{font-weight:850;font-size:18px}
.pack.best{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),var(--shadow)}
.tag-best{background:var(--brand);color:#fff;font-size:10px;font-weight:800;padding:3px 7px;border-radius:6px;margin-left:6px;vertical-align:middle}

.history-row{display:flex;align-items:center;gap:12px;padding:13px 4px;border-bottom:1px solid var(--line)}
.history-row .h-th{width:46px;height:60px;object-fit:cover;border-radius:8px;background:var(--surface-2);flex:none}
.history-row .h-meta{flex:1}.history-row .h-date{font-size:12px;color:var(--muted)}
.empty{color:var(--muted);text-align:center;padding:48px 20px;font-size:14px}

/* ---- bottom nav ---- */
.tabbar{display:flex;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding:6px 8px calc(6px + var(--safe-b));position:sticky;bottom:0;z-index:20}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 0;color:var(--muted);font-size:11px;font-weight:700;border-radius:12px}
.tabbar button svg{width:23px;height:23px}
.tabbar button.on{color:var(--brand-ink)}
.tabbar button.on svg{transform:translateY(-1px)}

/* ---- sheet / modal ---- */
.scrim{position:fixed;inset:0;background:#0009;opacity:0;pointer-events:none;transition:opacity .25s;z-index:40}
.scrim.on{opacity:1;pointer-events:auto}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:50;max-width:var(--maxw);margin:0 auto;
  background:var(--surface);border-radius:24px 24px 0 0;padding:10px 18px calc(20px + var(--safe-b));
  transform:translateY(100%);transition:transform .32s cubic-bezier(.22,1,.36,1);box-shadow:var(--shadow-lg);
  max-height:88dvh;overflow-y:auto}
.sheet.on{transform:none}
.grabber{width:40px;height:5px;border-radius:3px;background:var(--line);margin:6px auto 12px}
.sheet h3{margin:4px 2px 14px;font-size:19px;font-weight:800}

/* dev menu fields */
.field{margin:0 0 16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:7px}
.seg{display:flex;background:var(--surface-2);border-radius:12px;padding:4px;gap:4px}
.seg button{flex:1;padding:9px 6px;border-radius:9px;font-weight:700;font-size:13.5px;color:var(--muted)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.field input[type=range]{width:100%;accent-color:var(--brand)}
.field input[type=text]{width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--ink);font:inherit}
.row2{display:flex;gap:10px}.row2>*{flex:1}
.rngval{font-variant-numeric:tabular-nums;font-weight:800;color:var(--ink)}
.legal{font-size:11px;color:var(--muted);background:var(--surface-2);border-radius:10px;padding:10px 12px;line-height:1.45}

.toast{position:fixed;left:50%;bottom:calc(86px + var(--safe-b));transform:translateX(-50%) translateY(20px);
  background:#11141aee;color:#fff;padding:12px 18px;border-radius:14px;font-weight:700;font-size:14px;
  z-index:60;opacity:0;transition:.25s;max-width:90%;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}
.ver{text-align:center;color:var(--muted);font-size:11px;padding:10px;user-select:none}

/* ---- print: only the cleaned result, fit page ---- */
@media print{
  body *{visibility:hidden}
  #printArea,#printArea *{visibility:visible}
  #printArea{display:block!important;position:fixed;inset:0;margin:0;padding:0}
  #printArea img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
  @page{margin:8mm}
}