/* 見積もりくん — a ledger sheet: cream paper, blue rules, red seal, Mincho headings. */
:root{
  --desk:#E4DCC8; --paper:#FBF8EF; --ink:#1F2433; --sub:#5F6474; --rule:#C9D6E6; --rule2:#E6ECF4;
  --blue:#1F4E8C; --red:#C0392B; --red-soft:#F6E1DC; --field:#FFFFFF; --hi:#FFF3C4;
  --mincho:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;
  --sans:"Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  --num:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{--desk:#14171F;--paper:#1C202B;--ink:#E9E6DC;--sub:#A3A6B1;--rule:#33405A;--rule2:#262D3D;--blue:#8FB4EA;--red:#F07264;--red-soft:#3A2224;--field:#151924;--hi:#3B3520;color-scheme:dark}
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--desk);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;
  padding:env(safe-area-inset-top,0) max(10px,env(safe-area-inset-right,0px)) env(safe-area-inset-bottom,0) max(10px,env(safe-area-inset-left,0px))}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.page{max-width:760px;margin:0 auto;padding:16px 0 30px}

.head{padding:6px 8px 16px}
.back{font-size:12px;color:var(--sub)}
.title-row{display:flex;align-items:center;gap:14px;margin-top:6px}
h1{font-family:var(--mincho);font-size:32px;margin:0;letter-spacing:.12em;font-weight:700}
.stamp{width:54px;height:54px;border:3px solid var(--red);color:var(--red);border-radius:50%;display:grid;place-items:center;font-family:var(--mincho);font-weight:700;font-size:16px;letter-spacing:.05em;transform:rotate(-12deg);opacity:.9}
.lead{margin:8px 0 0;color:var(--sub);font-size:14px}

.sheet{background:var(--paper);border-radius:4px;box-shadow:0 1px 0 rgba(0,0,0,.05),0 12px 30px rgba(40,30,10,.15);
  background-image:linear-gradient(var(--rule2) 1px,transparent 1px);background-size:100% 30px;padding:6px 0;position:relative}
.sheet::before{content:"";position:absolute;top:0;bottom:0;left:30px;width:2px;background:var(--red-soft)}
.block{padding:18px 16px 18px 44px;border-bottom:2px solid var(--rule)}
.block:last-child{border-bottom:0}
.block-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.block h2{font-family:var(--mincho);font-size:19px;margin:0 0 10px;display:flex;align-items:center;gap:10px}
.block-head h2{margin-bottom:10px}
.no{font-size:13px;color:var(--paper);background:var(--blue);width:24px;height:24px;display:inline-grid;place-items:center;border-radius:3px}
.note{font-size:12.5px;color:var(--sub);margin:6px 0 0}
.text-btn{background:none;border:1px solid var(--blue);color:var(--blue);border-radius:999px;padding:4px 14px;min-height:36px;cursor:pointer;font-size:13px}

.line-field{display:grid;gap:2px;font-size:12px;color:var(--sub)}
.line-field input,.line-field select{border:0;border-bottom:2px solid var(--ink);background:transparent;padding:6px 2px;font-size:16px;min-height:44px;border-radius:0;color:var(--ink)}
.line-field input:focus,.line-field select:focus{outline:none;background:var(--hi)}
.line-field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(-45deg,transparent 50%,var(--ink) 50%);background-position:calc(100% - 14px) 52%,calc(100% - 9px) 52%;background-size:5px 5px;background-repeat:no-repeat;padding-right:24px}
.line-field select option{background:var(--paper);color:var(--ink)}

.tasks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px;counter-reset:t}
.task{display:grid;grid-template-columns:1fr;gap:8px;align-items:center;padding:10px;border:1px solid var(--rule);background:var(--field);border-radius:6px;position:relative;counter-increment:t}
.task::before{content:counter(t);position:absolute;left:-30px;top:12px;font-family:var(--num);font-size:12px;color:var(--sub);width:22px;text-align:right}
.task .name{grid-column:1 / -1;border:0;border-bottom:1px dashed var(--rule);background:transparent;padding:6px 2px;min-height:40px;font-size:15px}
.task .name:focus{outline:none;border-bottom-color:var(--blue);background:var(--hi)}
.sz{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.sz button{flex:0 0 auto;min-width:48px;min-height:40px;border:1.5px solid var(--rule);background:var(--paper);border-radius:6px;cursor:pointer;font-family:var(--num);font-weight:700}
.sz button[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:var(--paper)}
.sz .hrs{width:68px;min-height:40px;border:1.5px solid var(--rule);border-radius:6px;padding:4px 6px;background:var(--paper);font-family:var(--num);text-align:right}
.sz .unit{font-size:12px;color:var(--sub)}
.task .del{width:40px;height:40px;border:0;background:none;color:var(--sub);cursor:pointer;font-size:18px;border-radius:6px}
.task .del:hover{color:var(--red)}
.task .hours-out{font-family:var(--num);font-size:13px;color:var(--sub);white-space:nowrap}
.task-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}
.empty{color:var(--sub);font-size:14px;margin:14px 0 0;padding:14px;border:1px dashed var(--rule);border-radius:6px}
.add-btn{margin-top:12px;width:100%;min-height:48px;border:2px dashed var(--blue);color:var(--blue);background:transparent;border-radius:8px;cursor:pointer;font-weight:700}
.sizes{margin-top:12px;font-size:13px;color:var(--sub)}
.sizes summary{cursor:pointer;min-height:36px;display:flex;align-items:center}
.size-set{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.size-set label{display:flex;align-items:center;gap:6px;font-family:var(--num);font-weight:700;color:var(--ink)}
.size-set input{width:64px;min-height:40px;border:1.5px solid var(--rule);border-radius:6px;background:var(--field);padding:4px 6px;text-align:right}

.rate{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.buffer{display:grid;gap:4px;margin-top:16px;font-size:14px}
.buffer output{font-family:var(--num);font-weight:700;color:var(--red);margin-left:8px;font-size:16px}
.buffer input{width:100%;accent-color:var(--red);min-height:36px}

.extras{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.extras li label{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:start;padding:10px;border:1px solid var(--rule);border-radius:6px;background:var(--field);cursor:pointer}
.extras li.off label{opacity:.55}
.extras input{width:22px;height:22px;margin:2px 0 0;accent-color:var(--blue)}
.extras b{display:block;font-weight:700}
.extras small{display:block;color:var(--sub);font-size:12px;line-height:1.5}
.extras .h{font-family:var(--num);font-size:14px;white-space:nowrap}
.extras .none{color:var(--sub);font-size:13px;padding:6px 0}

.receipt{background:linear-gradient(transparent,transparent)}
.totals{display:grid;grid-template-columns:1fr auto;margin:0;font-size:14px}
.totals dt,.totals dd{padding:6px 0;border-bottom:1px dotted var(--rule);margin:0}
.totals dd{font-family:var(--num);text-align:right}
.totals .strong{font-weight:700}
.grand{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:12px;padding:12px 14px;border:3px double var(--ink);flex-wrap:wrap}
.grand span{font-family:var(--mincho);font-weight:700}
.grand strong{font-family:var(--num);font-size:28px;color:var(--red);letter-spacing:.02em}

.seg{display:inline-flex;border:1.5px solid var(--blue);border-radius:6px;overflow:hidden;margin-bottom:10px}
.seg button{border:0;background:transparent;color:var(--blue);padding:4px 12px;min-height:38px;cursor:pointer;font-size:13px;font-weight:700}
.seg button[aria-pressed="true"]{background:var(--blue);color:var(--paper)}
#out{width:100%;font-family:var(--num);font-size:13px;line-height:1.7;background:var(--field);border:1px solid var(--rule);border-radius:6px;padding:10px;resize:vertical;color:var(--ink);min-height:220px}
.copy-row{display:flex;align-items:center;gap:12px;margin-top:10px;flex-wrap:wrap}
.primary{min-height:50px;padding:8px 26px;border:0;border-radius:8px;background:var(--red);color:#fff;font-weight:700;font-size:16px;cursor:pointer;box-shadow:0 3px 0 rgba(0,0,0,.2)}
@media (prefers-color-scheme:dark){.primary{color:#1C202B}}
.primary:active{transform:translateY(2px);box-shadow:none}
.toast{font-size:13px;color:var(--blue);font-weight:700}

.foot{text-align:center;font-size:12px;color:var(--sub);margin-top:26px}
.foot p{margin:0}
.foot a{color:var(--sub);display:inline-block;padding:6px;margin-top:4px}

@media (max-width:420px){
  .rate{grid-template-columns:1fr}
  .block{padding-left:38px;padding-right:12px}
  .sheet::before{left:24px}
  .task::before{left:-26px}
  h1{font-size:28px}
}
@media (min-width:880px){
  .page{max-width:1020px}
  .sheet{display:grid;grid-template-columns:1fr 1fr}
  .block:nth-child(1){grid-column:1;grid-row:1 / span 3;border-right:2px solid var(--rule)}
  .block:nth-child(1){border-bottom:0}
  .block:nth-child(5){grid-column:1 / -1}
  .sheet::before{display:none}
  .block{padding-left:22px}
  .task::before{display:none}
  .task{grid-template-columns:1fr auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.primary:disabled{opacity:.45;cursor:default;box-shadow:none}