:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --surface-2:#eef2f7;
  --text:#101828;
  --muted:#667085;
  --line:#e4e7ec;
  --primary:#111827;
  --primary-2:#27364a;
  --accent:#d6a756;
  --accent-soft:#fff6df;
  --danger:#b42318;
  --danger-soft:#fff1f0;
  --warning:#9a6700;
  --warning-soft:#fff7df;
  --radius:20px;
  --shadow:0 8px 30px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif}
body{margin:0;min-height:100vh;background:var(--bg)}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:#3448a5}
.app-shell{max-width:760px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:96px}
.app-header{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:18px 20px 14px;background:rgba(245,247,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,231,236,.7)}
.app-header h1{font-size:22px;line-height:1.2;margin:2px 0 0}
.brand-kicker,.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:#8a6a32}
main{padding:16px}
.view{display:none}
.view.active{display:block}
.hidden{display:none!important}
.hero-card,.dashboard-hero{background:linear-gradient(135deg,#111827 0%,#27364a 100%);color:white;border-radius:26px;padding:24px;margin-bottom:16px;box-shadow:var(--shadow)}
.hero-card h2,.dashboard-hero h2{margin:4px 0 8px;font-size:26px}
.hero-card .muted,.dashboard-hero .muted{color:#cfd5df}
.dashboard-hero{display:flex;justify-content:space-between;align-items:center}
.status-dot{width:16px;height:16px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 8px rgba(214,167,86,.13)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:0 5px 18px rgba(16,24,40,.04)}
.card h3{margin:0 0 16px;font-size:18px}
.muted{color:var(--muted);line-height:1.7}
.compact{margin:2px 0 0}
.field-group{border:0;padding:0;margin:0 0 20px}
.field-group legend,.field>span{display:block;font-weight:700;margin-bottom:9px}
.radio-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.radio-card{position:relative;display:flex;flex-direction:column;gap:4px;padding:14px 14px 14px 42px;border:1.5px solid var(--line);border-radius:15px;background:#fff}
.radio-card:has(input:checked){border-color:var(--primary);box-shadow:0 0 0 2px rgba(17,24,39,.07)}
.radio-card input{position:absolute;left:14px;top:18px;accent-color:var(--primary)}
.radio-main{font-weight:800}
.radio-sub{font-size:12px;color:var(--muted)}
.help,.small-text{font-size:12px;color:var(--muted);line-height:1.7}
.field{display:block;margin:0 0 18px}
.field select,.field input[type=time],.drink-select,.custom-fields input{width:100%;border:1px solid var(--line);border-radius:13px;background:#fff;padding:13px 14px;color:var(--text)}
.condition-note{font-size:12px;line-height:1.7;background:var(--accent-soft);padding:11px 13px;border-radius:12px;color:#72531d;margin:-7px 0 18px}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}
.page-section-heading{margin:6px 2px 16px}
.page-section-heading h2{margin:3px 0 0}
.drink-rows{display:flex;flex-direction:column;gap:12px}
.drink-row{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fbfcfd}
.drink-row-top{display:flex;gap:8px;align-items:center}
.drink-select-wrap{flex:1}
.drink-select{font-weight:700;padding:11px 12px}
.remove-drink-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:22px}
.drink-meta{font-size:12px;color:var(--muted);padding:8px 2px 10px}
.drink-row-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px}
.counter{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:5px}
.counter-btn{width:38px;height:38px;border:0;border-radius:10px;background:var(--surface-2);font-size:22px;color:var(--text)}
.count{font-size:20px;font-weight:800;min-width:20px;text-align:center}
.count-unit{font-size:13px;color:var(--muted);margin-left:-3px}
.row-alcohol{text-align:right}
.row-alcohol span{display:block;font-size:11px;color:var(--muted)}
.row-alcohol strong{font-size:18px}
.custom-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.custom-fields label{font-size:12px;color:var(--muted)}
.custom-fields input{margin-top:6px;padding:9px 10px}
.add-btn{width:100%;border:1px dashed #b7bec9;background:#f8fafc;color:var(--text);border-radius:14px;padding:13px;margin-top:12px;font-weight:800}
.primary-btn,.secondary-btn,.ghost-btn,.danger-btn{border-radius:14px;padding:13px 16px;font-weight:800;border:1px solid transparent}
.primary-btn{background:var(--primary);color:#fff}
.secondary-btn{background:#fff;border-color:var(--line);color:var(--text)}
.ghost-btn{background:transparent;border-color:var(--line);color:var(--text)}
.danger-btn{background:var(--danger-soft);color:var(--danger);border-color:#ffd1cc}
.small{padding:8px 11px;font-size:12px}
.calculate-btn{width:100%;padding:16px;font-size:16px;margin-bottom:16px;box-shadow:0 7px 18px rgba(17,24,39,.18)}
.safety-note{border-left:4px solid var(--warning);background:var(--warning-soft);border-radius:12px;padding:14px 16px;font-size:13px;line-height:1.75;color:#6c4d00}
.safety-note p{margin:4px 0 0}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;min-height:142px;display:flex;flex-direction:column;justify-content:space-between}
.metric-card.featured{background:var(--accent-soft);border-color:#ecd69e}
.metric-label{font-size:12px;color:var(--muted);font-weight:700}
.metric-card strong{font-size:27px;line-height:1.1}
.metric-card strong small{font-size:16px}
.metric-caption{font-size:11px;color:var(--muted);line-height:1.5}
.breakdown-list{display:flex;flex-direction:column;gap:0}
.breakdown-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.breakdown-item:last-child{border-bottom:0;padding-bottom:0}
.breakdown-item:first-child{padding-top:0}
.breakdown-name strong{display:block}
.breakdown-name span{font-size:12px;color:var(--muted)}
.breakdown-value{font-weight:800}
.warning-card{display:flex;gap:13px;background:var(--danger-soft);border:1px solid #ffd5d0;border-radius:18px;padding:17px;margin-bottom:16px}
.warning-icon{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--danger);color:white;font-weight:900}
.warning-card h3{font-size:15px;margin:1px 0 5px;color:#7a271a}
.warning-card p{font-size:12px;line-height:1.7;margin:0;color:#912018}
.button-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bottom-nav{position:fixed;z-index:40;left:50%;bottom:0;transform:translateX(-50%);width:min(760px,100%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:8px max(10px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}
.nav-btn{border:0;background:transparent;color:#8a94a3;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;font-size:10px;font-weight:800}
.nav-btn.active{color:var(--text)}
.nav-icon{font-size:18px;line-height:1.1}
.summary-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:16px}
.summary-chip{background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px;text-align:center}
.summary-chip strong{display:block;font-size:20px}
.summary-chip span{font-size:10px;color:var(--muted)}
.history-list{display:flex;flex-direction:column;gap:10px}
.history-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}
.history-card-top,.history-card-bottom{display:flex;justify-content:space-between;gap:12px}
.history-date{font-weight:800}
.history-alcohol{font-weight:900;font-size:19px}
.history-card-bottom{margin-top:10px;color:var(--muted);font-size:12px}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:18px;padding:32px 18px;text-align:center;color:var(--muted);line-height:1.7}
.audit-progress{margin:4px 2px 14px}
.audit-progress>span{font-size:12px;font-weight:800;color:var(--muted)}
.progress-track{height:8px;border-radius:999px;background:#e9edf3;margin-top:8px;overflow:hidden}
.progress-bar{height:100%;width:10%;background:var(--accent);border-radius:999px;transition:width .25s ease}
.audit-question-card h3{font-size:19px;line-height:1.55}
.audit-options{display:flex;flex-direction:column;gap:9px}
.audit-option{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:13px;padding:12px;background:#fff}
.audit-option:has(input:checked){border-color:var(--primary);background:#f8fafc}
.audit-option input{margin-top:3px;accent-color:var(--primary)}
.audit-option span{line-height:1.5}
.audit-result-hero{border-radius:23px;background:linear-gradient(135deg,#111827,#2d3e55);color:white;padding:24px;margin-bottom:16px}
.audit-score{font-size:54px;font-weight:900;line-height:1}
.audit-score small{font-size:15px;font-weight:700;color:#cfd5df}
.audit-zone{display:inline-block;background:rgba(214,167,86,.18);color:#f3d79d;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;margin:10px 0}
.last-audit-card{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}
.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f3f5f8;border-radius:12px;padding:13px;font-weight:800;overflow:auto}
.prose p,.prose li{line-height:1.8}
.simple-table{width:100%;border-collapse:collapse;font-size:13px}
.simple-table th,.simple-table td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}
.source-list{padding-left:20px}
.emergency-note{background:#111827;color:white;border-radius:18px;padding:17px;line-height:1.7;font-size:13px}
.emergency-note p{margin:5px 0 0;color:#d6dbe3}
.toast{position:fixed;z-index:100;left:50%;bottom:92px;transform:translate(-50%,20px);background:#111827;color:white;padding:10px 14px;border-radius:999px;font-size:12px;opacity:0;pointer-events:none;transition:.25s ease;white-space:nowrap;max-width:90vw;overflow:hidden;text-overflow:ellipsis}
.toast.show{opacity:1;transform:translate(-50%,0)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (max-width:520px){
  main{padding:12px}
  .app-header{padding:15px 15px 12px}
  .hero-card,.dashboard-hero{padding:20px}
  .hero-card h2,.dashboard-hero h2{font-size:23px}
  .radio-grid{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:1fr 1fr;gap:9px}
  .metric-card{padding:14px;min-height:132px}
  .metric-card strong{font-size:23px}
  .custom-fields{grid-template-columns:1fr}
}
@media (max-width:360px){
  .metric-grid{grid-template-columns:1fr}
  .button-row{grid-template-columns:1fr}
}


/* ===== iPhone / Safari overflow fix ===== */
.field,
.field-group,
.drink-row,
.drink-row-top,
.drink-row-bottom,
.drink-select-wrap,
.counter,
.row-alcohol {
  min-width: 0;
  max-width: 100%;
}

.field select,
.field input,
.field input[type="time"],
.drink-select,
.custom-fields input {
  box-sizing: border-box;
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

/* Safariのtime入力が固有の最小幅で親要素を押し広げるのを防止 */
.field input[type="time"] {
  -webkit-appearance: none;
  appearance: none;
  inline-size: 100%;
  min-inline-size: 0;
  max-inline-size: 100%;
}

/* selectの長い名称でもFlexコンテナからはみ出さない */
.drink-select-wrap {
  flex: 1 1 0%;
  overflow: hidden;
}

.drink-select {
  text-overflow: ellipsis;
}

/* 杯数と純アルコール量を狭い画面でも収める */
.counter {
  flex: 0 1 auto;
}

.row-alcohol {
  flex: 0 1 auto;
}

@media (max-width: 520px) {
  .card {
    overflow: hidden;
  }

  .field input[type="time"],
  .field select {
    font-size: 16px; /* iOSの自動ズーム抑制 */
  }

  .drink-row-top {
    width: 100%;
  }

  .drink-row-bottom {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .drink-row-bottom {
    align-items: flex-end;
    gap: 8px;
  }

  .counter {
    gap: 4px;
  }

  .counter-btn {
    width: 34px;
    height: 34px;
  }

  .row-alcohol strong {
    font-size: 16px;
  }
}