/* 飲食店の数字 決める計算機
   設計の芯：答えは「伝票」で出す。上端にミシン目のある白い紙片に、決めるための1行と数字だけ。
   それ以外（入力・説明・出典）は帳簿の罫線のように静かに置く。 */

:root {
  --paper: #f3f5f2;      /* 店の事務所の紙。生成りでなく少し青みのある白 */
  --card: #ffffff;
  --ink: #18211d;
  --sub: #56635c;
  --rule: #d3dcd6;       /* 帳簿の罫線 */
  --ledger: #1d6a4f;     /* 帳簿の緑＝操作と見出し */
  --ledger-ink: #ffffff;
  --ledger-soft: #e2eee8;
  --red: #b8322a;        /* 赤字＝悪化・注意にだけ使う */
  --red-soft: #f7e4e1;
  --marker: #f3d35a;     /* 伝票の答えに引く蛍光ペン */
  --ticket: #fffefa;
  --focus: #1d6a4f;
  --radius-s: 6px;
  --radius-m: 10px;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #111613;
    --card: #19201c;
    --ink: #e6ece8;
    --sub: #9caaa2;
    --rule: #2e3a34;
    --ledger: #63c39b;
    --ledger-ink: #0d1411;
    --ledger-soft: #1c2f27;
    --red: #f0857a;
    --red-soft: #3a2220;
    --marker: rgba(243, 211, 90, .38);
    --ticket: #1e2621;
    --focus: #63c39b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #111613; --card: #19201c; --ink: #e6ece8; --sub: #9caaa2; --rule: #2e3a34;
  --ledger: #63c39b; --ledger-ink: #0d1411; --ledger-soft: #1c2f27; --red: #f0857a; --red-soft: #3a2220;
  --marker: rgba(243, 211, 90, .38); --ticket: #1e2621; --focus: #63c39b; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 0;
}
a { color: var(--ledger); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.num, input, td.n, th.n { font-variant-numeric: tabular-nums; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* ---------- ヘッダー ---------- */
.site-head { border-bottom: 1px solid var(--rule); background: var(--card); }
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; padding-top: 12px; padding-bottom: 10px; }
.brand { font-weight: 800; font-size: 1.02rem; color: var(--ink); text-decoration: none; letter-spacing: .02em; }
.brand small { font-weight: 500; color: var(--sub); font-size: .78rem; margin-left: 6px; }
.tool-nav { display: flex; gap: 6px; overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; padding: 6px 0 2px; scrollbar-width: none; }
.tool-nav::-webkit-scrollbar { display: none; }
.tool-nav a { flex: 0 0 auto; font-size: .84rem; color: var(--sub); text-decoration: none; padding: 4px 12px; border: 1px solid var(--rule); border-radius: 999px; background: var(--paper); }
.tool-nav a[aria-current="page"] { color: var(--ledger-ink); background: var(--ledger); border-color: var(--ledger); }

/* ---------- 見出し ---------- */
.q-head { padding: 26px 0 8px; }
.q-head h1 { font-size: 1.55rem; line-height: 1.45; margin: 0 0 8px; font-weight: 800; letter-spacing: .01em; text-wrap: balance; word-break: auto-phrase; }
.q-head p { margin: 0; color: var(--sub); font-size: .95rem; max-width: 40em; }

/* ---------- 2カラム（入力｜伝票） ---------- */
.tool-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 14px 0 8px; }
@media (min-width: 960px) {
  .tool-grid { grid-template-columns: minmax(0, 1fr) 400px; align-items: start; gap: 28px; }
  .tool-grid .ticket-col { position: sticky; top: 16px; }
}

/* ---------- 入力（帳簿の罫） ---------- */
.ledger { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius-m); padding: 4px 16px 16px; }
.ledger fieldset { border: 0; margin: 0; padding: 14px 0 4px; border-bottom: 1px solid var(--rule); min-width: 0; }
.ledger fieldset:last-of-type { border-bottom: 0; }
.ledger legend { font-weight: 700; font-size: .95rem; padding: 0; margin-bottom: 4px; color: var(--ledger); }
.field-row { display: flex; flex-wrap: wrap; gap: 10px 12px; margin-top: 8px; }
.field { flex: 1 1 140px; min-width: 0; display: block; font-size: .85rem; color: var(--sub); }
.field.wide { flex-basis: 100%; }
.field > span.lab { display: block; margin-bottom: 4px; }
.field .unit { color: var(--sub); font-size: .8rem; }
.in-wrap { display: flex; align-items: center; border: 1px solid var(--rule); border-radius: var(--radius-s); background: var(--paper); }
.in-wrap:focus-within { border-color: var(--ledger); box-shadow: 0 0 0 3px var(--ledger-soft); }
.in-wrap input, .in-wrap select { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 16px; padding: 9px 10px; outline: none; }
.in-wrap .suf { padding: 0 10px 0 2px; color: var(--sub); font-size: .85rem; white-space: nowrap; }
select.plain, .in-wrap select { appearance: auto; }
.hint { font-size: .8rem; color: var(--sub); margin: 6px 0 0; line-height: 1.6; }
.hint.warn { color: var(--red); }
.check { display: flex; align-items: flex-start; gap: 8px; font-size: .9rem; color: var(--ink); margin-top: 10px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 4px 0 0; accent-color: var(--ledger); flex: 0 0 auto; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: inline-block; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px; font-size: .85rem; color: var(--ink); background: var(--paper); cursor: pointer; }
.seg input:checked + span { background: var(--ledger); color: var(--ledger-ink); border-color: var(--ledger); }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }

/* 行入力（スタッフ・材料） */
.rows { margin-top: 8px; display: grid; gap: 8px; }
.row-item { display: grid; gap: 6px 8px; align-items: end; padding: 10px; border: 1px dashed var(--rule); border-radius: var(--radius-s); }
.row-item .field { flex: none; }
.row-staff { grid-template-columns: 1fr 1fr; }
.row-staff .f-name { grid-column: 1 / -1; }
.row-recipe { grid-template-columns: 1fr 1fr; }
.row-recipe .f-name { grid-column: 1 / -1; }
@media (min-width: 560px) {
  .row-staff { grid-template-columns: 1.2fr 1fr 1fr auto auto; }
  .row-staff .f-name { grid-column: auto; }
  .row-recipe { grid-template-columns: 1.6fr 1fr .8fr 1fr auto; }
  .row-recipe .f-name { grid-column: auto; }
}
.row-item .check { margin: 0 0 10px; font-size: .82rem; }
.btn-del { border: 1px solid var(--rule); background: transparent; color: var(--sub); border-radius: var(--radius-s); padding: 8px 10px; font: inherit; font-size: .8rem; cursor: pointer; margin-bottom: 2px; }
.btn-del:hover { color: var(--red); border-color: var(--red); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 700; font-size: .92rem; border-radius: 999px; padding: 10px 18px; cursor: pointer; border: 1px solid var(--ledger); text-decoration: none; }
.btn-primary { background: var(--ledger); color: var(--ledger-ink); }
.btn-ghost { background: transparent; color: var(--ledger); }
.btn-small { padding: 6px 14px; font-size: .84rem; font-weight: 600; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- 伝票（この画面でいちばん目立つもの） ---------- */
.ticket {
  position: relative;
  background: var(--ticket);
  border: 1px solid var(--rule);
  border-top: 0;
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  padding: 22px 18px 18px;
  box-shadow: 0 1px 0 var(--rule), 0 10px 24px -18px rgba(24, 33, 29, .35);
}
.ticket::before { /* ミシン目 */
  content: "";
  position: absolute; left: -1px; right: -1px; top: -9px; height: 10px;
  background:
    radial-gradient(circle at 7px 0, transparent 5px, var(--ticket) 5.5px) 0 0 / 14px 10px repeat-x;
  border-left: 1px solid var(--rule); border-right: 1px solid var(--rule);
}
.ticket-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: .78rem; color: var(--sub); border-bottom: 1px dashed var(--rule); padding-bottom: 8px; }
.ticket-head b { color: var(--ink); font-size: .86rem; }
.answer { margin: 14px 0 4px; }
.answer .lbl { display: block; font-size: .86rem; color: var(--sub); }
.answer .big { display: inline; font-size: 2.6rem; line-height: 1.25; font-weight: 800; letter-spacing: -.01em; font-variant-numeric: tabular-nums; background: linear-gradient(transparent 62%, var(--marker) 62%, var(--marker) 92%, transparent 92%); padding: 0 2px; }
.answer .big small { font-size: 1.1rem; font-weight: 700; margin-left: 2px; }
.verdict { margin: 12px 0 0; font-weight: 700; font-size: .98rem; line-height: 1.7; }
.verdict.bad { color: var(--red); }
.t-lines { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: .9rem; }
.t-lines td, .t-lines th { padding: 6px 0; border-bottom: 1px dotted var(--rule); vertical-align: top; text-align: left; font-weight: 400; }
.t-lines td.n { text-align: right; white-space: nowrap; padding-left: 10px; font-weight: 600; }
.t-lines tr.sum td { border-bottom: 0; border-top: 1px solid var(--ink); font-weight: 800; }
.t-lines .minor { color: var(--sub); font-size: .8rem; }
.empty { color: var(--sub); font-size: .92rem; margin: 18px 0 6px; }
.ticket-actions { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--rule); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ticket-actions .price-note { font-size: .78rem; color: var(--sub); flex-basis: 100%; }

/* ---------- 下の段：内訳・計算式・出典 ---------- */
.below { padding: 8px 0 30px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.panel, .ticket, .ledger { min-width: 0; }
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius-m); padding: 14px 16px; }
.panel h2 { font-size: 1.02rem; margin: 0 0 8px; }
details.panel summary { cursor: pointer; font-weight: 700; }
details.panel[open] summary { margin-bottom: 8px; }
.formula { font-size: .88rem; line-height: 1.9; margin: 0; padding-left: 1.2em; }
.formula code, .mono-eq { font-family: inherit; background: var(--ledger-soft); padding: 1px 6px; border-radius: 4px; }
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data { width: 100%; border-collapse: collapse; font-size: .86rem; min-width: 460px; }
table.data th, table.data td { border-bottom: 1px solid var(--rule); padding: 7px 8px; text-align: left; }
table.data th { color: var(--sub); font-weight: 600; font-size: .8rem; white-space: nowrap; }
table.data td.n, table.data th.n { text-align: right; white-space: nowrap; }
table.data tr.hl td { background: var(--red-soft); }
.src { font-size: .8rem; color: var(--sub); margin: 0; padding-left: 1.2em; }
.src li { margin: 2px 0; }
.tag { display: inline-block; font-size: .72rem; padding: 0 8px; border-radius: 999px; border: 1px solid var(--rule); color: var(--sub); margin-left: 4px; vertical-align: 1px; }
.tag.ok { border-color: var(--ledger); color: var(--ledger); }
.tag.todo { border-color: var(--red); color: var(--red); }

/* ---------- 広告枠（未接続） ---------- */
.ad-slot { border: 1px dashed var(--rule); border-radius: var(--radius-m); min-height: 110px; display: grid; place-items: center; color: var(--sub); font-size: .82rem; background: repeating-linear-gradient(135deg, transparent 0 10px, var(--ledger-soft) 10px 11px); text-align: center; padding: 12px; }

/* ---------- トップ：お品書き型の一覧 ---------- */
.hero { padding: 34px 0 6px; }
.hero h1 { font-size: 1.9rem; line-height: 1.35; margin: 0 0 10px; font-weight: 800; letter-spacing: .01em; word-break: auto-phrase; }
.hero p { color: var(--sub); margin: 0; max-width: 34em; }
.menu-list { list-style: none; margin: 22px 0 10px; padding: 0; border-top: 2px solid var(--ink); }
.menu-list li { border-bottom: 1px solid var(--rule); }
.menu-list a { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 16px 2px; color: var(--ink); text-decoration: none; }
.menu-list .mq { font-size: 1.12rem; font-weight: 700; line-height: 1.5; word-break: auto-phrase; }
.menu-list .ma { font-size: .86rem; color: var(--sub); }
.menu-list .ma b { color: var(--ledger); font-weight: 700; }
@media (min-width: 720px) {
  .menu-list a { grid-template-columns: auto 1fr auto; align-items: baseline; gap: 12px; }
  .menu-list .dots { border-bottom: 2px dotted var(--rule); transform: translateY(-5px); }
}
@media (max-width: 719px) { .menu-list .dots { display: none; } }
.menu-list a:hover .mq { color: var(--ledger); }
.about { color: var(--sub); font-size: .9rem; max-width: 40em; }

/* ---------- フッター ---------- */
.site-foot { border-top: 1px solid var(--rule); margin-top: 20px; padding: 18px 0 40px; font-size: .8rem; color: var(--sub); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 8px; }
.site-foot a { color: var(--sub); }

/* ---------- モーダル ---------- */
.modal-back { position: fixed; inset: 0; background: rgba(10, 16, 13, .45); display: none; align-items: flex-end; justify-content: center; z-index: 50; padding: 0; }
.modal-back.open { display: flex; }
@media (min-width: 640px) { .modal-back { align-items: center; padding: 16px; } }
.modal { background: var(--card); color: var(--ink); width: 100%; max-width: 460px; border-radius: 14px 14px 0 0; padding: 20px 18px 22px; max-height: 92vh; overflow: auto; }
@media (min-width: 640px) { .modal { border-radius: 14px; } }
.modal h2 { margin: 0 0 6px; font-size: 1.15rem; }
.modal ul { padding-left: 1.2em; margin: 8px 0; font-size: .9rem; }
.modal .price { font-size: 1.6rem; font-weight: 800; margin: 6px 0; }
.modal .price small { font-size: .85rem; font-weight: 500; color: var(--sub); }
.modal .acts { display: grid; gap: 8px; margin-top: 14px; }
.modal .dev { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--rule); font-size: .8rem; color: var(--sub); }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); white-space: nowrap; max-width: calc(100vw - 32px); overflow: hidden; text-overflow: ellipsis; background: var(--ink); color: var(--paper); padding: 8px 16px; border-radius: 999px; font-size: .86rem; z-index: 60; opacity: 0; pointer-events: none; transition: opacity .2s; }
.toast.show { opacity: 1; }

/* ---------- ?debug=1 ---------- */
.debug-panel { position: fixed; right: 10px; bottom: 10px; z-index: 70; width: min(340px, calc(100vw - 20px)); max-height: 60vh; overflow: auto; background: #10221a; color: #d9f2e6; border-radius: 10px; padding: 12px 14px; font-size: 12px; line-height: 1.5; box-shadow: 0 8px 30px rgba(0,0,0,.35); }
.debug-panel h3 { margin: 0 0 6px; font-size: 13px; }
.debug-panel table { width: 100%; border-collapse: collapse; }
.debug-panel td { padding: 2px 4px; border-bottom: 1px solid rgba(255,255,255,.1); }
.debug-panel td.n { text-align: right; }
.debug-panel button { margin-top: 8px; font: inherit; background: transparent; color: #d9f2e6; border: 1px solid rgba(255,255,255,.4); border-radius: 6px; padding: 3px 10px; cursor: pointer; }

/* ---------- 法務ページ ---------- */
.legal { max-width: 760px; padding: 24px 16px 40px; }
.legal h1 { font-size: 1.4rem; }
.legal .draft { background: var(--red-soft); color: var(--red); border: 1px solid var(--red); border-radius: var(--radius-m); padding: 10px 14px; font-weight: 700; font-size: .92rem; }
.legal table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.legal th, .legal td { border-bottom: 1px solid var(--rule); padding: 10px 8px; text-align: left; vertical-align: top; }
.legal th { width: 34%; color: var(--sub); font-weight: 600; }
.todo-fill { color: var(--red); font-weight: 700; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---------- 印刷＝有料レポートの本体 ---------- */
#print-report { display: none; }
@media print {
  @page { size: A4; margin: 14mm 14mm 16mm; }
  body { background: #fff; color: #000; font-size: 10.5pt; }
  body > *:not(#print-report) { display: none !important; }
  #print-report { display: block; }
  .pr-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid #000; padding-bottom: 4pt; margin-bottom: 10pt; }
  .pr-head .b { font-weight: 800; font-size: 11pt; }
  .pr-head .d { font-size: 9pt; color: #333; }
  #print-report h1 { font-size: 15pt; margin: 0 0 8pt; }
  #print-report h2 { font-size: 11pt; margin: 12pt 0 4pt; border-left: 3pt solid #1d6a4f; padding-left: 6pt; }
  #print-report table { width: 100%; border-collapse: collapse; font-size: 9.5pt; }
  #print-report th, #print-report td { border: 0.5pt solid #999; padding: 3pt 6pt; text-align: left; vertical-align: top; }
  #print-report th { background: #eef3f0; width: 42%; font-weight: 600; }
  #print-report td.n { text-align: right; }
  .pr-verdict { border: 1pt solid #000; padding: 6pt 8pt; font-weight: 700; font-size: 11pt; margin: 6pt 0; }
  .pr-formula { font-size: 9pt; line-height: 1.7; }
  .pr-foot { margin-top: 14pt; padding-top: 6pt; border-top: 0.5pt solid #999; font-size: 8pt; color: #333; }
  a { color: #000; text-decoration: none; }
}