:root {
  --bg: #f4f3ef; --card: #ffffff; --ink: #1c1d21; --muted: #5f646d; --line: #dfddd6;
  --accent: #0f766e; --accent-ink: #ffffff; --tok: #ccfbf1; --tok-ink: #134e4a; --back: #fef3c7; --back-ink: #78350f;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d0f11; --card: #16191d; --ink: #f1efe9; --muted: #a0a4ad; --line: #2a2e35; --accent: #2dd4bf; --accent-ink: #062a27; --tok: #134e4a; --tok-ink: #ccfbf1; --back: #78350f; --back-ink: #fef3c7; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.7 "Yu Gothic UI", "Hiragino Sans", "Meiryo", system-ui, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top .wrap { height: 56px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; }
.btn { display: inline-block; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 10px; padding: 8px 16px; text-decoration: none; font: inherit; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 700; }
.btn.small { padding: 4px 12px; font-size: 14px; }
.btn.big { padding: 12px 22px; margin: 4px 8px 4px 0; }
.btn:disabled { opacity: .5; cursor: default; }
.link { background: none; border: none; color: var(--accent); padding: 4px 0; font: inherit; cursor: pointer; }
.hero { padding: 48px 16px 24px; }
.eyebrow { display: inline-block; background: var(--accent); color: var(--accent-ink); font-weight: 700; border-radius: 999px; padding: 2px 14px; font-size: 14px; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 6vw, 48px); line-height: 1.3; margin: 0 0 12px; }
h1 em { font-style: normal; color: var(--accent); }
.lead { color: var(--muted); max-width: 760px; margin: 0; }
.tool { padding-top: 16px; padding-bottom: 24px; }
.tabs { display: inline-grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--line); padding: 3px; border-radius: 12px; margin-bottom: 12px; min-width: min(360px, 100%); }
.tab { border: none; background: transparent; border-radius: 9px; padding: 8px 14px; font: inherit; font-weight: 700; color: var(--muted); cursor: pointer; }
.tab b { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--muted); color: var(--bg); font-size: 12px; margin-right: 4px; }
.tab.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.tab.on b { background: var(--accent); color: var(--accent-ink); }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }
.lbl { display: flex; font-weight: 700; font-size: 14px; margin-bottom: 6px; min-height: 36px; align-items: center; }
textarea { width: 100%; min-height: 260px; resize: vertical; padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; }
input[type=text] { width: 100%; font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.out { white-space: pre-wrap; word-break: break-word; background: var(--card); border: 1px dashed var(--line); border-radius: 12px; padding: 12px; min-height: 260px; }
mark.tok { background: var(--tok); color: var(--tok-ink); border-radius: 4px; padding: 0 2px; font-weight: 700; }
mark.back { background: var(--back); color: var(--back-ink); border-radius: 4px; padding: 0 2px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin: 12px 0; }
.box summary { font-weight: 700; cursor: pointer; }
.items { list-style: none; margin: 8px 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 6px; }
.items li { display: flex; align-items: center; gap: 8px; font-size: 14px; border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px; }
.items .orig { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.items .skip { font-size: 12px; color: var(--muted); background: none; border: 1px solid var(--line); border-radius: 6px; padding: 0 6px; cursor: pointer; }
.muted { color: var(--muted); font-weight: 400; }
.small { font-size: 13px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-top: 24px; padding-bottom: 24px; }
@media (max-width: 760px) { .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.install { padding-top: 24px; padding-bottom: 24px; }
.install h2, .faq h2 { font-size: 26px; margin: 0 0 8px; }
.checks { padding-left: 20px; color: var(--muted); }
.faq { padding-bottom: 32px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; margin: 8px 0; }
.faq summary { font-weight: 700; cursor: pointer; }
.faq p { margin: 8px 0 0; color: var(--muted); }
.foot { border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 32px; font-size: 13px; color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 8px 16px; border-radius: 999px; font-size: 14px; }
/* 記事ページ */
.article { padding-top: 32px; padding-bottom: 32px; max-width: 760px; }
.article h1 { font-size: clamp(26px, 5vw, 36px); }
.article h2 { font-size: 22px; margin: 32px 0 8px; border-left: 5px solid var(--accent); padding-left: 10px; }
.article h3 { font-size: 18px; margin: 24px 0 6px; }
.article p, .article li { color: var(--ink); }
.article hr { border: none; border-top: 1px dashed var(--line); margin: 20px 0; }
.article ul.checks { list-style: none; padding-left: 0; }
.article ul.checks li { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0; }
.article .box { flex: 0 0 18px; height: 18px; border: 2px solid var(--accent); border-radius: 4px; margin-top: 4px; }
.article .cta { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-top: 32px; }
.reads { padding-top: 8px; padding-bottom: 24px; }
.reads h2 { font-size: 26px; margin: 0 0 8px; }
.reads ul { padding-left: 20px; }
.conf-warn { margin: 0 0 8px; padding: 8px 12px; border-radius: 10px; font-size: 14px; background: var(--back); color: var(--back-ink); }

.article table{border-collapse:collapse;width:100%;display:block;overflow-x:auto;margin:1em 0;font-size:.95em}
.article th,.article td{border:1px solid #ccc;padding:.4em .6em;text-align:left;vertical-align:top}
.article th{background:rgba(127,127,127,.12)}

.article pre { white-space: pre-wrap; word-break: break-word; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-size: 0.92em; line-height: 1.6; }