/* =========================================================
   本体 第1弾 画面のスタイル(公式サイトの統合案Dに合わせる)
   色・書体の正本:site/src/assets/css/style.css(:root の値をそのまま使う)
   方針:白地+墨1色+橙1色。橙は主ボタン・見出しの縦帯・「次にやること」の帯だけ。文字は16px以上。
   ========================================================= */
:root {
  --sumi: #3A2F28; --greige: #EFE6DB; --paper: #F8F2EA; --orange: #F26A1B; --orange-hover: #E05A0C;
  --orange-text: #B5440E; --ink: #1F1C1A; --sub: #5E5249; --rule: #D9CCBE; --white: #FFFFFF;
  --on-sumi-sub: #C9C1B9; --on-sumi-link: #FFB48A; --focus: #F26A1B;
  --ok: #2F6B3A; --warn-bg: #FFF4C2; --warn-line: #E2C044; --err: #A3261B;
  /* 外部のフォントは読まない(外部送信規律:debate/28)。端末のフォントを使う */
  --jp: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", "Meiryo", "Noto Sans JP", "Noto Sans CJK JP", sans-serif;
  --num: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, var(--jp);
  --wide: 74rem; --g: clamp(16px, 4vw, 40px);
}
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--jp); font-size: 1.0625rem; line-height: 1.75;
  letter-spacing: .01em; overflow-wrap: anywhere; line-break: strict; }
img { max-width: 100%; display: block; }
a { color: var(--sumi); text-decoration-color: var(--orange); text-decoration-thickness: 2px; text-underline-offset: .22em; }
a:hover { color: var(--orange-text); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { font-weight: 700; line-height: 1.4; margin: 0; }
p { margin: 0 0 1em; }
.small { font-size: .9375rem; color: var(--sub); }
.muted { color: var(--sub); }
.num { font-family: var(--num); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: #fff; padding: .5em 1em; z-index: 50; }

/* ---------- ヘッダー ---------- */
.hdr { background: var(--sumi); color: #fff; position: sticky; top: 0; z-index: 20; }
.hdr__in { max-width: var(--wide); margin: 0 auto; padding: 10px var(--g); display: flex; align-items: center; gap: 16px; min-height: 56px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; flex: none; }
.logo:hover { color: #fff; }
.logo__mark { width: 24px; height: 24px; background: linear-gradient(90deg, #fff 0 50%, var(--orange) 50%); clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 70%, 0 100%); }
.logo__name { font-weight: 700; font-size: 1.125rem; }
.logo__sub { font-size: .75rem; color: var(--on-sumi-sub); border: 1px solid #6B5E55; padding: 0 6px; line-height: 1.6; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: .9375rem; }
.nav a { color: #fff; text-decoration: none; white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--on-sumi-link); }
.nav .nav__sell { background: var(--orange); color: var(--ink); font-weight: 700; padding: 6px 12px; border-radius: 2px; }
.nav .nav__sell:hover { background: var(--orange-hover); color: var(--ink); }
@media (max-width: 640px) {
  .logo__sub { display: none; }
  .nav { gap: 12px; font-size: .875rem; }
  .nav .nav__hide-sm { display: none; }
}
.modebar { background: #FFF4C2; color: var(--ink); font-size: .8125rem; text-align: center; padding: 3px 8px; border-bottom: 1px solid var(--warn-line); }

/* ---------- レイアウト ---------- */
main { min-height: 60vh; }
.wrap { max-width: var(--wide); margin: 0 auto; padding: clamp(20px, 3vw, 36px) var(--g) 56px; }
.wrap--narrow { max-width: 46rem; }
.ph1 { font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem); margin: 0 0 18px; padding-left: 14px; border-left: 6px solid var(--orange); }
.h2 { font-size: 1.1875rem; margin: 28px 0 12px; }
.ftr { background: var(--sumi); color: var(--on-sumi-sub); font-size: .875rem; }
.ftr__in { max-width: var(--wide); margin: 0 auto; padding: 22px var(--g); display: flex; flex-wrap: wrap; gap: 8px 22px; }
.ftr a { color: #fff; }
.crumb { font-size: .9375rem; margin: 0 0 12px; }

/* ---------- ボタン ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 700; text-decoration: none;
  padding: 12px 20px; line-height: 1.4; border-radius: 2px; border: 2px solid transparent; font-family: inherit; font-size: 1rem;
  cursor: pointer; min-height: 48px; }
.btn--orange { background: var(--orange); color: var(--ink); }
.btn--orange:hover { background: var(--orange-hover); color: var(--ink); }
.btn--ink { background: var(--sumi); color: #fff; }
.btn--ink:hover { background: #4E4138; color: #fff; }
.btn--line { border-color: var(--sumi); color: var(--sumi); background: #fff; }
.btn--line:hover { background: var(--sumi); color: #fff; }
.btn--sm { padding: 6px 12px; font-size: .9375rem; min-height: 38px; }
.btn--block { display: flex; width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; }
.btns { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--sumi); text-decoration: underline; text-decoration-color: var(--orange); cursor: pointer; }

/* ---------- 一覧 ---------- */
.intro { background: var(--greige); }
.intro__in { max-width: var(--wide); margin: 0 auto; padding: 22px var(--g); display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; justify-content: space-between; }
.intro h1 { font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); }
.intro p { margin: 4px 0 0; color: var(--sub); font-size: .9375rem; }
.filters { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 16px; }
.filters .field { margin: 0; }
@media (max-width: 760px) { .filters { grid-template-columns: 1fr 1fr; } .filters .f-q { grid-column: 1 / -1; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.chip { border: 1.5px solid var(--sumi); background: #fff; color: var(--sumi); padding: 4px 12px; border-radius: 999px; font: inherit; font-size: .9375rem; cursor: pointer; min-height: 36px; }
.chip[aria-pressed="true"] { background: var(--sumi); color: #fff; }
.count { color: var(--sub); font-size: .9375rem; margin: 0 0 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.card { display: flex; flex-direction: column; border: 1px solid var(--rule); background: #fff; text-decoration: none; color: var(--ink); }
.card:hover { border-color: var(--sumi); color: var(--ink); box-shadow: 4px 4px 0 var(--sumi); }
.card__img { aspect-ratio: 4 / 3; background: var(--paper); overflow: hidden; }
.card__img img { width: 100%; height: 100%; object-fit: cover; }
.noimg { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--sub); font-size: .875rem;
  background: repeating-linear-gradient(-45deg, #EFE6DB 0 14px, #E6DACB 14px 28px); }
.card__body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card__title { font-weight: 700; font-size: 1.0625rem; line-height: 1.5; }
.price { font-weight: 700; font-size: 1.25rem; }
.price .num { font-size: 1.5rem; }
.price--free { color: var(--orange-text); }
.meta { font-size: .9375rem; color: var(--sub); display: flex; flex-wrap: wrap; gap: 2px 12px; }
.badge { display: inline-block; font-size: .8125rem; font-weight: 700; border: 1.5px solid var(--sumi); padding: 0 7px; line-height: 1.6; white-space: nowrap; }
.badge--ok { border-color: var(--ok); color: var(--ok); }
.badge--urgent { border-color: var(--orange-text); color: var(--orange-text); }
.badge--fill { background: var(--sumi); color: #fff; }
.empty { border: 2px dashed var(--rule); padding: 28px; text-align: center; color: var(--sub); }
.pager { display: flex; justify-content: center; gap: 10px; margin: 22px 0 0; }

/* ---------- 詳細 ---------- */
.detail { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); grid-template-areas: "gal panel" "desc panel"; column-gap: clamp(18px, 3vw, 36px); align-items: start; }
.d-gal { grid-area: gal; } .d-panel { grid-area: panel; } .d-desc { grid-area: desc; }
@media (max-width: 860px) { .detail { grid-template-columns: 1fr; grid-template-areas: "gal" "panel" "desc"; row-gap: 18px; } }
.gallery__main { aspect-ratio: 4 / 3; background: var(--paper); border: 1px solid var(--rule); overflow: hidden; }
.gallery__main img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.thumbs { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.thumbs button { width: 64px; height: 48px; padding: 0; border: 2px solid var(--rule); background: #fff; cursor: pointer; }
.thumbs button[aria-current="true"] { border-color: var(--orange); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.panel { border: 2px solid var(--sumi); background: #fff; }
.panel__head { background: var(--sumi); color: #fff; padding: 10px 16px; display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.panel__head h1, .panel__head h2 { font-size: 1.125rem; color: #fff; }
.panel__body { padding: 16px; }
.sheet { margin: 0; }
.sheet div { display: grid; grid-template-columns: 8.5em minmax(0, 1fr); border-bottom: 1px solid var(--rule); }
.sheet dt { background: var(--paper); padding: 8px 12px; color: var(--sub); font-size: .9375rem; border-right: 1px solid var(--rule); }
.sheet dd { margin: 0; padding: 8px 12px; }
@media (max-width: 420px) { .sheet div { grid-template-columns: 6.5em minmax(0, 1fr); } .sheet dt, .sheet dd { padding: 7px 9px; } }
.fee { background: var(--paper); border-left: 6px solid var(--orange); padding: 12px 14px; margin: 14px 0; }
.fee__amount { font-size: 1.25rem; font-weight: 700; }
.fee__amount .num { font-size: 1.75rem; }
.fee__calc { font-size: .9375rem; color: var(--sub); margin: 4px 0 0; }
.notice { border: 1.5px solid var(--sumi); padding: 10px 14px; margin: 12px 0; font-size: 1rem; }
.notice--warn { background: var(--warn-bg); border-color: var(--warn-line); }
.notice--ok { border-color: var(--ok); }
.notice--err { border-color: var(--err); color: var(--err); }

/* ---------- フォーム ---------- */
.field { margin: 0 0 16px; }
.field > label, .field > .label { display: block; font-weight: 700; margin: 0 0 4px; }
.field .hint { display: block; font-size: .9375rem; color: var(--sub); font-weight: 400; }
.req { color: var(--orange-text); font-size: .8125rem; margin-left: 6px; }
input[type=text], input[type=email], input[type=number], input[type=date], input[type=month], input[type=tel], input[type=url], select, textarea {
  width: 100%; font: inherit; font-size: 1rem; padding: 10px 12px; border: 1.5px solid #8A7D72; border-radius: 2px; background: #fff; color: var(--ink); min-height: 46px; }
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid var(--focus); outline-offset: 1px; border-color: var(--sumi); }
.choice { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1.5px solid var(--rule); margin: 0 0 8px; cursor: pointer; background: #fff; }
.choice:hover { border-color: var(--sumi); }
.choice input { margin-top: .35em; width: 20px; height: 20px; flex: none; accent-color: var(--sumi); }
.choice b { display: block; }
.choice--on { border-color: var(--sumi); background: var(--paper); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .row2 { grid-template-columns: 1fr; } }
.err { color: var(--err); font-weight: 700; margin: 8px 0; }
fieldset { border: 0; padding: 0; margin: 0 0 16px; }
legend { font-weight: 700; margin: 0 0 6px; padding: 0; }

/* ---------- 出品のステップ ---------- */
.stepper { list-style: none; margin: 0 0 18px; padding: 0; display: flex; gap: 4px; counter-reset: s; overflow-x: auto; }
.stepper li { flex: 1 1 0; min-width: 4.6em; font-size: .8125rem; text-align: center; padding: 6px 2px 4px; border-top: 5px solid var(--rule); color: var(--sub); }
.stepper li[aria-current="step"] { border-top-color: var(--orange); color: var(--ink); font-weight: 700; }
.stepper li.done { border-top-color: var(--sumi); color: var(--ink); }
.photos { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin: 10px 0; }
.photo { position: relative; border: 1px solid var(--rule); background: var(--paper); aspect-ratio: 4 / 3; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo__tag { position: absolute; left: 0; top: 0; background: var(--sumi); color: #fff; font-size: .75rem; padding: 0 6px; }
.photo__del { position: absolute; right: 4px; bottom: 4px; }
.reco { border: 2px solid var(--sumi); padding: 12px 14px; margin: 0 0 14px; }
.reco__c { font-size: 1.25rem; font-weight: 700; }
.navbtns { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--rule); }
.sticky-note { background: var(--paper); padding: 10px 14px; font-size: .9375rem; margin: 0 0 16px; border-left: 6px solid var(--sumi); }

/* ---------- 取引画面 ---------- */
.band { background: var(--greige); border-left: 8px solid var(--orange); padding: 12px 16px; margin: 0 0 16px; }
.band b { font-size: 1.0625rem; }
.progress { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 4px; font-size: .8125rem; }
.progress li { padding: 2px 10px; border: 1.5px solid var(--rule); color: var(--sub); }
.progress li.on { border-color: var(--sumi); background: var(--sumi); color: #fff; font-weight: 700; }
.progress li.done { border-color: var(--sumi); color: var(--ink); }
.deal { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr); gap: 20px; align-items: start; }
@media (max-width: 900px) { .deal { grid-template-columns: 1fr; } }
.chat { border: 2px solid var(--sumi); display: flex; flex-direction: column; min-height: 360px; background: #fff; }
.chat__log { flex: 1; overflow-y: auto; max-height: 56vh; padding: 12px; display: flex; flex-direction: column; gap: 10px; background: #FCFAF7; }
.msg { max-width: 86%; padding: 8px 12px; border: 1px solid var(--rule); background: #fff; white-space: pre-wrap; }
.msg--mine { align-self: flex-end; background: var(--paper); border-color: #CDBBA8; }
.msg--sys { align-self: center; max-width: 100%; background: none; border: 0; color: var(--sub); font-size: .875rem; padding: 2px; }
.msg__t { display: block; font-size: .75rem; color: var(--sub); }
.chat__form { border-top: 1px solid var(--rule); padding: 10px; }
.chat__form textarea { min-height: 72px; }
mark.mask { background: var(--warn-bg); outline: 1px solid var(--warn-line); }
.cp { font-size: 1rem; }
.cp__name { font-size: 1.125rem; font-weight: 700; }
.terms dd { font-weight: 500; }
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--sumi); margin: 0 0 16px; }
.tabs button { font: inherit; background: none; border: 0; padding: 10px 16px; cursor: pointer; border-bottom: 4px solid transparent; margin-bottom: -2px; }
.tabs button[aria-selected="true"] { border-bottom-color: var(--orange); font-weight: 700; }
.list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.list li { border-bottom: 1px solid var(--rule); padding: 12px 4px; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; justify-content: space-between; }
.list a { font-weight: 700; }

/* ---------- ダイアログ ---------- */
.modal { position: fixed; inset: 0; background: rgba(31, 28, 26, .55); z-index: 40; display: flex; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 24px 12px; }
.modal__box { background: #fff; width: min(40rem, 100%); border-top: 6px solid var(--orange); }
.modal__head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--rule); }
.modal__head h2 { font-size: 1.1875rem; }
.modal__body { padding: 16px 18px 20px; }
.toast { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); background: var(--sumi); color: #fff; padding: 10px 18px; z-index: 60; max-width: 92vw; }
.toast--err { background: var(--err); }

/* ---------- 印刷(書類ひな形・確認書) ---------- */
.paper { max-width: 48rem; margin: 0 auto; border: 1px solid var(--rule); padding: 28px 32px; background: #fff; }
.paper h1 { text-align: center; font-size: 1.375rem; margin: 0 0 18px; }
.paper table { width: 100%; border-collapse: collapse; margin: 10px 0 18px; }
.paper th, .paper td { border: 1px solid #8A7D72; padding: 6px 10px; text-align: left; vertical-align: top; font-size: .9375rem; }
.paper th { background: var(--paper); width: 30%; }
.paper ol { padding-left: 1.4em; font-size: .9375rem; }
.sign { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; }
.sign div { border: 1px solid #8A7D72; padding: 10px; min-height: 120px; font-size: .9375rem; }
@media print {
  .hdr, .ftr, .modebar, .noprint, .crumb { display: none !important; }
  .wrap { padding: 0; }
  .paper { border: 0; padding: 0; }
  body { font-size: 11pt; }
}
/* 取引の経過(D-103:自動の記録だけ) */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 6px 0; border-bottom: 1px solid var(--line, #E8E1D9); font-size: 14px; }
.timeline li:last-child { border-bottom: 0; }
.timeline .small { color: var(--muted, #7A6F66); margin-right: 6px; }
/* 売主の書類のひな形(請求書・納品書):印刷では1枚ずつ */
.paper--break { margin-top: 24px; }
@media print { .paper--break, .pbreak { break-before: page; page-break-before: always; } .pbreak { margin-top: 0 !important; } }