/* tools.syojin.com. Mobile first, one accent colour. No web fonts (article-writing-rules 7-3). */
:root { --ink: #1d2328; --sub: #4f5a63; --line: #dde3e8; --band: #f5f7f8; --accent: #1f6b5a; --accent-2: #e7f2ee; --mark: #fff1b8; --warn: #fff7e0; --r: 8px; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 70px; }
body { margin: 0; background: #fff; color: var(--ink); font: 16px/1.8 "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, system-ui, sans-serif; overflow-wrap: anywhere; }
a { color: var(--accent); }
img, svg { max-width: 100%; height: auto; }
.w { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .w { padding: 0 28px; } }

.hdr { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }
.hdr-in { display: flex; align-items: center; gap: 12px; min-height: 54px; }
.logo { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 17px; margin-right: auto; white-space: nowrap; }
.nav ul { display: flex; gap: 2px; margin: 0; padding: 0; list-style: none; }
.nav a { display: block; padding: 6px 8px; border-radius: var(--r); color: var(--sub); font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.nav a:hover, .nav a[aria-current] { background: var(--accent-2); color: var(--accent); }
@media (max-width: 560px) { .nav .nav-x { display: none; } }

.page { padding: 16px 0 48px; }
.crumb { font-size: 13px; color: var(--sub); margin: 0 0 8px; }
h1 { font-size: 24px; line-height: 1.35; margin: 4px 0 8px; }
@media (min-width: 768px) { h1 { font-size: 30px; } }
.lead { color: var(--sub); margin: 0 0 16px; }
.art h2 { font-size: 21px; line-height: 1.4; margin: 40px 0 12px; padding: 8px 12px; background: var(--accent-2); border-left: 5px solid var(--accent); border-radius: 4px; }
.art h3 { font-size: 18px; margin: 26px 0 8px; }
.art p, .art li { max-width: 760px; }
.mk { background: linear-gradient(transparent 60%, var(--mark) 60%); }
.src { font-size: 13px; color: var(--sub); }
.box { margin: 16px 0; padding: 12px 14px; border-radius: var(--r); background: var(--band); font-size: 15px; }
.box-w { background: var(--warn); border-left: 4px solid #e0a800; }
.box p { margin: 0 0 6px; } .box p:last-child { margin: 0; }
.checked { font-size: 13px; color: var(--sub); border: 1px solid var(--line); border-radius: var(--r); padding: 8px 12px; margin: 16px 0; }
.checked ul { margin: 4px 0 0; padding-left: 18px; }

/* tables */
.tw { overflow-x: auto; margin: 12px 0; -webkit-overflow-scrolling: touch; }
table.t { border-collapse: collapse; width: 100%; font-size: 15px; }
.t th, .t td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.t thead th { background: var(--accent); color: #fff; font-weight: 700; white-space: nowrap; }
.t tbody tr:nth-child(even) td { background: var(--band); }
.t td.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.t tr.now td { background: var(--mark) !important; font-weight: 700; }
.t tr.era td { border-top: 2px solid var(--accent); }
.t tbody tr[data-y] { cursor: pointer; }
.t tbody tr[data-y]:hover td { background: var(--accent-2); }

/* tool */
.tool { border: 2px solid var(--accent); border-radius: 12px; padding: 14px; margin: 8px 0 20px; background: #fff; }
.tool h2 { margin: 0 0 10px; font-size: 18px; }
.row { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: flex-end; margin: 0 0 10px; }
.f { display: flex; flex-direction: column; gap: 2px; font-size: 13px; font-weight: 700; color: var(--sub); }
.f-grow { flex: 1 1 220px; }
input, select, button { font: inherit; }
input[type=text], input[type=number], input[type=tel], select { min-height: 44px; padding: 6px 10px; border: 1px solid #b9c4cc; border-radius: 6px; background: #fff; color: var(--ink); font-size: 17px; }
input:focus, select:focus { outline: 3px solid var(--accent-2); border-color: var(--accent); }
.in-y { width: 7.5em; } .in-s { width: 5.5em; }
.btn { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 6px 14px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; font-weight: 700; cursor: pointer; text-decoration: none; }
.btn-l { background: #fff; color: var(--accent); border: 1px solid var(--accent); }
.btn-s { min-height: 32px; padding: 2px 10px; font-size: 13px; }
.res { margin-top: 10px; padding: 12px; border-radius: var(--r); background: var(--accent-2); }
.res:empty { display: none; }
.big { font-size: 24px; font-weight: 800; line-height: 1.4; margin: 0 0 4px; }
.res dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 8px 0 0; }
.res dt { color: var(--sub); font-size: 14px; } .res dd { margin: 0; font-weight: 700; }
.res .t { background: #fff; }
.err { color: #a12a1a; font-weight: 700; }
.hint { font-size: 13px; color: var(--sub); margin: 4px 0 0; }
.out { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0; }
.out code, .out pre { flex: 1; margin: 0; padding: 8px 10px; background: #fff; border: 1px solid var(--line); border-radius: 6px; font: 16px/1.6 Consolas, Menlo, monospace; white-space: pre-wrap; word-break: break-word; }
.pick { display: grid; gap: 6px; margin: 8px 0; }
.pick label { display: flex; gap: 8px; align-items: center; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; cursor: pointer; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 0; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 2px 10px; font-size: 13px; cursor: pointer; color: var(--accent); }

/* home */
.cards { display: grid; gap: 14px; margin: 16px 0; padding: 0; list-style: none; }
@media (min-width: 800px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card a { display: flex; flex-direction: column; gap: 4px; height: 100%; padding: 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); text-decoration: none; }
.card a:hover { border-color: var(--accent); }
.card-t { font-weight: 800; font-size: 18px; }
.card-d { color: var(--sub); font-size: 14px; }
.card-go { margin-top: auto; color: var(--accent); font-weight: 700; font-size: 14px; }

.toc { margin: 12px 0; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--r); font-size: 15px; }
.toc summary { font-weight: 700; cursor: pointer; }
.toc ol { margin: 6px 0 0; padding-left: 20px; }
.ad { margin: 24px 0; text-align: center; } .ad-l { margin: 0; font-size: 11px; color: var(--sub); }
.more { margin: 32px 0 0; } .more ul { padding-left: 18px; }

.ftr { border-top: 1px solid var(--line); background: var(--band); padding: 22px 0 30px; font-size: 13px; color: var(--sub); }
.ftr p { margin: 0 0 6px; }
.ftr ul { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 8px 0; padding: 0; list-style: none; }
.op-table th { white-space: nowrap; width: 9em; }

@media print {
  .hdr, .ftr, .tool, .ad, .toc, .no-print, .crumb, .lead, .more { display: none !important; }
  body { font-size: 11pt; } .art h2 { background: none; border: 0; padding: 0; margin: 8px 0; }
  .print-only { display: block !important; }
  .t th, .t td { padding: 2px 6px; } .t thead th { background: #ddd !important; color: #000; }
  .art > :not(.printable) { display: none !important; }
  .printable { break-inside: auto; } .printable + .printable { break-before: page; }
}
.print-only { display: none; }

/* ---- theme: SYOJIN-Tools (2026-11-12 本人「カッコいい系」「背景濃い色禁止」) ---- */
:root { --ink: #0f172a; --sub: #526075; --line: #e2e8f0; --band: #f6f8fb; --accent: #0f8a6c; --accent-2: #e6f6f1; --r: 10px; }
body { background: #fff; }
.hdr { background: rgba(255,255,255,.92); backdrop-filter: saturate(160%) blur(8px); border-bottom: 1px solid var(--line); }
.hdr-in { min-height: 58px; gap: 10px; }
.logo { color: var(--ink); font-size: 18px; letter-spacing: .02em; margin-right: 0; }
.logo b { color: var(--accent); font-weight: 800; }
.nav { margin-left: auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { color: var(--sub); }
.nav a:hover, .nav a[aria-current] { background: var(--accent-2); color: var(--accent); }
@media (max-width: 560px) { .logo span { font-size: 16px; } .nav a { padding: 6px 7px; font-size: 13px; } }
.hero { background: radial-gradient(900px 360px at 90% -20%, rgba(20,184,166,.16), transparent 60%), radial-gradient(700px 320px at -10% 120%, rgba(99,102,241,.12), transparent 60%), linear-gradient(180deg, #f7fbfa, #fff); border-bottom: 1px solid var(--line); padding: 44px 0 48px; }
.hero h1 { font-size: 30px; line-height: 1.3; margin: 6px 0 12px; letter-spacing: .01em; background: linear-gradient(90deg, #0f172a 40%, #0f8a6c); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (min-width: 768px) { .hero h1 { font-size: 44px; } .sp { display: none; } }
.hero .lead { color: var(--sub); max-width: 680px; margin: 0; }
.hero-k { margin: 0; font-size: 13px; font-weight: 800; letter-spacing: .14em; color: var(--accent); }
.sec-t { font-size: 20px; margin: 8px 0 4px; }
.card a { background: #fff; border-color: var(--line); border-radius: 16px; padding: 18px; gap: 8px; box-shadow: 0 1px 2px rgba(15,23,42,.04); transition: transform .15s, box-shadow .15s, border-color .15s; }
.card a:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(15,23,42,.10); border-color: #c8d3df; }
.app { display: flex; align-items: center; gap: 12px; }
.app-i { flex: none; width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 22px; box-shadow: inset 0 -2px 0 rgba(0,0,0,.12); }
.i1 { background: linear-gradient(135deg, #6366f1, #8b5cf6); } .i2 { background: linear-gradient(135deg, #0ea5e9, #14b8a6); } .i3 { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.app-n { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.app-n .card-t { font-size: 17px; line-height: 1.4; }
.app-c { font-size: 12px; color: var(--sub); }
.app-go { flex: none; padding: 4px 16px; border-radius: 999px; background: var(--accent-2); color: var(--accent); font-weight: 800; font-size: 14px; }
.card-h { font-weight: 700; font-size: 14px; line-height: 1.5; }
.tool { border: 0; border-radius: 16px; padding: 18px; background: #fff; box-shadow: 0 0 0 1px var(--line), 0 12px 32px rgba(15,23,42,.08); border-top: 4px solid var(--accent); }
.btn { border-radius: 999px; padding: 6px 18px; }
.res { background: linear-gradient(180deg, #f0fbf7, #e8f6f0); border: 1px solid #c9eadf; }
.art h2 { background: none; border-left: 0; border-bottom: 2px solid var(--line); padding: 0 0 8px; border-radius: 0; position: relative; }
.art h2::before { content: ""; position: absolute; left: 0; bottom: -2px; width: 64px; height: 2px; background: var(--accent); }
.t thead th { background: var(--accent-2); color: var(--ink); }
.ftr { background: var(--band); color: var(--sub); border-top: 1px solid var(--line); }
.w.page { padding: 16px 16px 48px; }
@media (min-width: 768px) { .w.page { padding: 20px 28px 56px; } }
@media (max-width: 560px) {
  .hdr-in { flex-wrap: wrap; gap: 0; min-height: 0; padding-top: 8px; }
  .nav { flex: 1 0 100%; margin: 4px 0 6px; }
}
/* 角ばった形（2026-11-12 本人「もっと角ばったサイトにしよう」） */
:root { --r: 0; }
.card a, .tool, .app-i, .app-go, .btn, .res, .box, .checked, .toc, .chip, .pick label, .nav a, .out code, .out pre, input[type=text], input[type=number], input[type=tel], select { border-radius: 0 !important; }
.app-i { width: 52px; height: 52px; box-shadow: none; }
.card a { box-shadow: none; border-width: 1px; }
.card a:hover { transform: none; box-shadow: 4px 4px 0 var(--accent); border-color: var(--ink); }
.tool { box-shadow: 0 0 0 1px var(--ink); border-top: 4px solid var(--accent); }
.app-go, .btn { border: 1px solid var(--accent); }
.nav a[aria-current] { box-shadow: inset 0 -2px 0 var(--accent); }
/* App Store 風のトップ（syojin.com のプロダクト欄と同じ形。明るい背景・角ばった形） */
.logo img { width: 36px; height: 36px; display: block; }
.st-list { border-top: 1px solid var(--line); margin: 8px 0 32px; }
.lk, .st-row { display: flex; align-items: center; gap: 14px; }
.lk { padding: 14px 0; border-bottom: 1px solid var(--line); }
.app-i { text-decoration: none; }
.st-t { flex: 1; min-width: 0; display: flex; flex-direction: column; color: var(--ink); text-decoration: none; line-height: 1.45; }
.st-t b { font-size: 17px; }
.st-t span { font-size: 13px; color: var(--sub); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.st-t em { font-style: normal; font-size: 12px; color: var(--accent); font-weight: 700; }
.st-get { flex: none; padding: 5px 18px; background: var(--accent-2); color: var(--accent); border: 1px solid var(--accent); font-weight: 800; font-size: 14px; text-decoration: none; }
.st-get:hover { background: var(--accent); color: #fff; }
.st { margin: 18px 0 40px; }
.st-shots { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 14px 0 10px; margin: 12px 0 8px; scrollbar-width: thin; }
.sc { flex: none; width: 230px; height: 410px; margin: 0; padding: 16px; scroll-snap-align: start; background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; position: relative; }
@media (min-width: 768px) { .sc { width: 250px; height: 440px; } }
.i1-bg .sc { background: linear-gradient(180deg, #f1f0ff, #fff 70%); } .i2-bg .sc { background: linear-gradient(180deg, #ebf8fb, #fff 70%); } .i3-bg .sc { background: linear-gradient(180deg, #fff4e8, #fff 70%); }
.sc-eye { margin: 0; font-size: 11px; font-weight: 800; letter-spacing: .12em; color: var(--accent); }
.sc-t { margin: 2px 0 12px; font-size: 19px; font-weight: 800; line-height: 1.35; }
.sc-ph { flex: 1; min-height: 0; border: 6px solid var(--ink); border-bottom: 0; overflow: hidden; margin: 0 6px -16px; background: #fff; }
.sc-ph img { width: 100%; height: auto; display: block; }
.sc-l, .sc-s { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 14px; line-height: 1.5; }
.sc-l li { display: flex; gap: 8px; } .sc-l svg { flex: none; width: 18px; height: 18px; fill: none; stroke: var(--accent); stroke-width: 2.6; margin-top: 2px; }
.sc-big { position: absolute; right: -10px; bottom: -28px; margin: 0; font-size: 140px; font-weight: 900; line-height: 1; color: transparent; -webkit-background-clip: text; background-clip: text; opacity: .22; }
.sc-s li { display: flex; gap: 10px; align-items: center; }
.sc-s b { flex: none; width: 34px; height: 34px; display: grid; place-items: center; background: var(--accent); color: #fff; font-size: 16px; }
.st-d { color: var(--sub); font-size: 14px; margin: 4px 0; max-width: 760px; }
.st-more { font-weight: 700; font-size: 14px; }