/* 投稿アプリ。分析アプリ（ai.sternnes.com）と同じ色の決まり：上のボタンは赤地に白文字 */
:root {
  --bg: #f4f5f9; --fg: #1d2030; --muted: #6a6f85; --line: #e6e8f0; --card: #fff;
  --brand: #dc2626; --brand-deep: #b91c1c;
  --ok: #15803d; --warn-bg: #fffbeb; --warn-line: #fde68a; --err-bg: #fef2f2; --err-line: #fecaca;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); line-height: 1.6; font-size: 16px; }
a { color: #1d4ed8; }
.container { max-width: 820px; margin: 0 auto; padding: 16px 16px 64px; }
h1 { font-size: 1.35rem; margin: 8px 0; line-height: 1.4; }
h2 { font-size: 1.08rem; margin: 22px 0 8px; }
h3 { font-size: 1rem; margin: 14px 0 6px; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.pre { white-space: pre-wrap; }
.mono { font-family: ui-monospace, Menlo, monospace; font-size: 15px; }
code { background: #eef0f6; padding: 1px 5px; border-radius: 4px; font-size: .85em; word-break: break-all; }
pre.small { white-space: pre-wrap; font-size: .82rem; background: #f7f7fa; padding: 8px; border-radius: 6px; margin: 6px 0; }
.errtext { color: var(--brand-deep); }

/* 上のバー */
header.top { background: #fff; border-bottom: 1px solid var(--line); padding: 8px 12px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; color: var(--fg); text-decoration: none; margin-bottom: 6px; }
.logo { width: 26px; height: 26px; border-radius: 7px; background: var(--brand); color: #fff; display: inline-grid; place-items: center; font-size: .9rem; }
.nav-btns { display: flex; flex-wrap: wrap; gap: 6px; }
.nav-btns::-webkit-scrollbar { display: none; }
a.nav-btn { flex: 0 0 auto; background: var(--brand); color: #fff; font-weight: 700; font-size: .85rem; padding: 6px 12px; border-radius: 999px; text-decoration: none; white-space: nowrap; }
a.nav-btn:active, a.nav-btn:hover { background: var(--brand-deep); }

footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 20px 16px 40px; }
form.inline { display: inline; }
.linkbtn { background: none; border: 0; color: #1d4ed8; font: inherit; padding: 0; text-decoration: underline; cursor: pointer; }

/* 部品 */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; display: block; }
.card.link { color: inherit; text-decoration: none; }
.card.link:active { border-color: var(--brand); }
.card.note { background: var(--warn-bg); border-color: var(--warn-line); }
.card.err { background: var(--err-bg); border-color: var(--err-line); }
.card.narrow { max-width: 420px; margin: 48px auto; }
.cards { list-style: none; padding: 0; margin: 0; }
.cards > li { margin: 0; }
.ttl { font-weight: 700; font-size: 1.02rem; margin: 4px 0; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .82rem; }
.when { color: var(--muted); font-size: .82rem; }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.row-btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.list { padding-left: 0; list-style: none; }
.list li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.list a { text-decoration: none; color: inherit; }
dl.kv { display: grid; grid-template-columns: 4.5em 1fr; gap: 4px 10px; margin: 8px 0; }
dl.kv dt { color: var(--muted); font-size: .88rem; }
dl.kv dd { margin: 0; }

.btn { display: inline-block; border: 1px solid #cfd3e0; background: #fff; color: var(--fg); border-radius: 10px; padding: 10px 14px; font-size: .95rem; font-weight: 600; text-decoration: none; cursor: pointer; font-family: inherit; line-height: 1.3; -webkit-appearance: none; appearance: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:active { background: var(--brand-deep); }
.btn.big { font-size: 1.05rem; padding: 12px 22px; }
.btn.tiny { padding: 5px 10px; font-size: .82rem; border-radius: 8px; }
.btn.danger { color: var(--brand-deep); border-color: var(--err-line); }
.btn:disabled { opacity: .6; }
.btn.copied { background: var(--ok); border-color: var(--ok); color: #fff; }

.stack { display: flex; flex-direction: column; gap: 10px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; font-weight: 600; }
label.check { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 400; padding: 4px 0; }
input[type=text], input:not([type]), input[type=password], input[type=url], input[type=date], input[type=datetime-local], select, textarea {
  font: inherit; font-size: 16px; font-weight: 400; padding: 10px; border: 1px solid #cfd3e0; border-radius: 8px; background: #fff; width: 100%; color: var(--fg);
}
textarea { resize: vertical; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; margin: 0; }
legend { font-size: .9rem; font-weight: 600; padding: 0 4px; }
fieldset.seg { display: flex; gap: 16px; }
details.edit { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin: 12px 0; }
details.edit > summary, .actions details > summary { font-weight: 700; cursor: pointer; }
details[open] > summary { margin-bottom: 10px; }

.flash { background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 10px; padding: 10px 12px; margin: 8px 0; }
.flash.err { background: var(--err-bg); border-color: var(--err-line); color: var(--brand-deep); }

/* 状態・媒体の札 */
.st, .pf { display: inline-block; font-size: .76rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; white-space: nowrap; }
.st-plan { background: #eef0f6; color: #444; }
.st-writing { background: #e0e7ff; color: #3730a3; }
.st-review { background: #fef3c7; color: #92400e; }
.st-ready { background: #fee2e2; color: #b91c1c; }
.st-scheduled { background: #dbeafe; color: #1e40af; }
.st-published { background: #dcfce7; color: #166534; }
.pf-ameblo { background: #2d8c3c; color: #fff; }
.pf-note { background: #222; color: #fff; }

/* ホームのタイル */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.tile { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px; text-align: center; text-decoration: none; color: var(--fg); font-size: .85rem; }
.tile .n { display: block; font-size: 1.5rem; font-weight: 800; }
.tile-ready .n { color: var(--brand); }
.tile-review .n { color: #b45309; }

/* タブ */
.tabs { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0 8px; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: 0 0 auto; border: 1px solid #cfd3e0; background: #fff; padding: 5px 11px; border-radius: 999px; font-size: .85rem; text-decoration: none; color: var(--fg); }
.tab.on { background: var(--fg); color: #fff; border-color: var(--fg); }
.tab .n { margin-left: 4px; font-weight: 700; }
.small-tabs .tab { font-size: .8rem; }

/* コピー欄 */
.copybox { border: 2px solid var(--brand); }
.copy-row { margin: 8px 0; }
.copy-row .btn { width: 100%; font-size: 1.05rem; padding: 14px; }
.imgs { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.imgs li { background: #fafafa; border: 1px solid var(--line); border-radius: 8px; padding: 6px; display: flex; flex-direction: column; gap: 6px; }
.imgs img { width: 100%; height: auto; border-radius: 4px; }
.imgs .btn { width: 100%; }

/* プレビュー：アメブロ風 */
.pv { margin: 16px -16px; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pv img { max-width: 100%; height: auto; }
.pv-ameblo-head { background: #2d8c3c; color: #fff; font-size: .8rem; font-weight: 700; padding: 6px 16px; }
.pv-ameblo article { padding: 16px; font-family: "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; color: #333; }
.pv-ameblo .pv-title { font-size: 1.15rem; border-bottom: 2px solid #2d8c3c; padding-bottom: 6px; }
.pv-ameblo .pv-date { font-size: .78rem; color: #888; margin-bottom: 14px; }
.pv-ameblo .pv-body { font-size: 15px; line-height: 1.9; }
.pv-ameblo .pv-body h2, .pv-ameblo .pv-body h3 { font-size: 1.05rem; background: #f1f8f2; border-left: 4px solid #2d8c3c; padding: 4px 8px; margin: 18px 0 10px; }
.pv-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.pv-ameblo .pv-tags span { color: #2d8c3c; background: #f1f8f2; padding: 2px 8px; border-radius: 4px; font-size: .85rem; }
/* プレビュー：note風 */
.pv-note-head { background: #222; color: #fff; font-size: .8rem; font-weight: 700; padding: 6px 16px; }
.pv-note article { padding: 20px 18px; max-width: 620px; margin: 0 auto; color: #08131a; }
.pv-note .pv-eyecatch { width: 100%; border-radius: 6px; margin-bottom: 14px; aspect-ratio: 1280 / 670; object-fit: cover; }
.pv-note .pv-title { font-size: 1.45rem; font-weight: 800; line-height: 1.5; }
.pv-author { display: flex; align-items: center; gap: 8px; font-size: .85rem; margin: 8px 0 20px; }
.pv-avatar { width: 28px; height: 28px; border-radius: 50%; background: #e3e7ea; display: inline-grid; place-items: center; font-size: .8rem; }
.pv-note .pv-body { font-size: 16px; line-height: 2; letter-spacing: .02em; }
.pv-note .pv-body h2 { font-size: 1.25rem; margin: 32px 0 12px; }
.pv-note .pv-body h3 { font-size: 1.08rem; margin: 24px 0 10px; }
.pv-note .pv-tags span { background: #f0f2f3; border-radius: 999px; padding: 3px 10px; font-size: .82rem; }
.pv-body blockquote { border-left: 4px solid #ddd; margin: 12px 0; padding: 4px 12px; color: #555; }
.pv-body figure { margin: 14px 0; }
.img-missing { display: inline-block; background: #fff7ed; border: 1px dashed #fdba74; color: #9a3412; padding: 4px 8px; border-radius: 6px; font-size: .85rem; }

/* カレンダー */
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.cal-w { background: #f7f7fa; text-align: center; font-size: .75rem; padding: 4px 0; color: var(--muted); }
.cal-cell { background: #fff; min-height: 64px; padding: 2px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.cal-cell.empty { background: #fafafa; }
.cal-cell.today { background: #fff5f5; }
.cal-d { font-size: .72rem; color: var(--muted); }
.cal-cell.today .cal-d { color: var(--brand); font-weight: 800; }
.cal-item { display: block; font-size: .64rem; line-height: 1.3; padding: 1px 3px; border-radius: 3px; text-decoration: none; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }

.doc pre { background: #fff; border: 1px solid var(--line); padding: 10px; border-radius: 8px; overflow-x: auto; white-space: pre-wrap; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: #1d2030; color: #fff; padding: 10px 16px; border-radius: 10px; opacity: 0; transition: .25s; z-index: 50; font-size: .9rem; max-width: 90vw; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.bad { background: var(--brand-deep); }

@media (min-width: 700px) {
  .tiles { grid-template-columns: repeat(6, 1fr); }
  .pv { margin: 16px 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
  .cal-item { font-size: .72rem; }
  .cal-cell { min-height: 84px; }
}
table { border-collapse: collapse; width: 100%; font-size: .9rem; } th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; } th { background: #f7f7fa; }
/* 第2段階：SNS */
.pf-threads { background: #000; color: #fff; }
.pf-instagram { background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af); color: #fff; }
.pf-x { background: #14171a; color: #fff; }
.pv-sns-head { background: #111; color: #fff; font-size: .8rem; font-weight: 700; padding: 6px 16px; }
.pv-instagram .pv-sns-head { background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af); }
.pv-sns article { padding: 14px 16px; }
.pv-sns-img { width: 100%; border-radius: 8px; margin: 6px 0; }
.pv-instagram .pv-sns-img { aspect-ratio: 1 / 1; object-fit: cover; }
.pv-sns-text { font-size: 15px; line-height: 1.7; margin: 6px 0 10px; word-break: break-word; }
.note-inline { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 8px; padding: 6px 10px; }
.okt { color: var(--ok); font-weight: 700; }
table.conn th { width: 6.5em; background: none; border: 0; border-bottom: 1px solid var(--line); }
table.conn td { border: 0; border-bottom: 1px solid var(--line); }