/* mono.toolnoki.site 共通スタイル
   ツールノキ本体・books.toolnoki.site の配色・文字・角丸にそろえる。外部フォント・外部画像は使わない。 */
:root {
  --ink: #203a32; --muted: #4c5e57; --green: #245e46; --green-dark: #1a4836;
  --paper: #f6f5ee; --white: #fff; --line: #d9ded5; --line-strong: #b4c0b5;
  --tint: #edf1e8; --cream: #fff8e8; --accent: #e8b763; --focus: #b56a14;
  --radius: 16px; --radius-s: 10px;
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.8; }
a { color: var(--green); text-underline-offset: 4px; }
button { font: inherit; color: inherit; }
a, button { touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.5; }
p { margin: 0 0 12px; }
.skip { position: absolute; left: 8px; top: -80px; background: var(--white); padding: 10px 14px; z-index: 10; border-radius: 8px; }
.skip:focus { top: 8px; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 28px; }
.content { max-width: 760px; margin: 0 auto; }
.hint { font-size: 13px; color: var(--muted); }

.site-header { background: var(--white); border-bottom: 1px solid var(--line); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--green); }
.brand svg { width: 30px; height: 35px; flex: none; }
.brand-name { display: block; font-size: 21px; font-weight: 800; letter-spacing: .08em; line-height: 1.2; }
.brand-sub { display: block; font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--ink); line-height: 1.4; margin-top: 2px; }
.site-nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; font-size: 15px; color: var(--ink); text-decoration: none; border-radius: 8px; }
.site-nav a:hover { background: var(--tint); }

main { padding: 36px 0 64px; }
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; color: var(--green); letter-spacing: .08em; }
h1 { font-size: 30px; margin: 4px 0 8px; }
.lead { font-size: 18px; font-weight: 700; color: var(--green-dark); }
.notice { background: var(--cream); border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 0 12px 12px 0; font-size: 14px; }
.notice p:last-child { margin: 0; }
article h2 { font-size: 22px; margin: 44px 0 12px; padding-top: 4px; border-top: 1px solid var(--line); padding-top: 28px; }
article h3 { font-size: 18px; margin: 24px 0 8px; }
article ul, article ol { padding-left: 1.4em; }
article li { margin: 4px 0; }

table { border-collapse: collapse; width: 100%; font-size: 14px; background: var(--white); }
th, td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
thead th { background: var(--tint); }
.table-wrap { overflow-x: auto; margin: 12px 0 8px; border: 1px solid var(--line); border-radius: var(--radius-s); }

.fig { margin: 16px 0; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 12px; }
.fig svg { display: block; width: 100%; height: auto; }
.fig figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ガイド */
.guide { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 24px 0; }
.guide-step { font-size: 13px; font-weight: 700; color: var(--green); margin: 0 0 4px; letter-spacing: .06em; }
.guide-title { font-size: 21px; margin: 0 0 8px; outline: none; }
.guide-title:focus-visible { outline: 3px solid var(--focus); }
.guide-hint { color: var(--muted); font-size: 14px; }
.guide-options { display: grid; gap: 10px; margin: 16px 0; }
.option { display: block; width: 100%; text-align: left; min-height: 52px; padding: 12px 16px; background: var(--white); border: 1.5px solid var(--line-strong); border-radius: var(--radius-s); cursor: pointer; }
.option:hover { border-color: var(--green); background: var(--tint); }
.option-label { display: block; font-weight: 700; }
.option-note { display: block; font-size: 13px; color: var(--muted); }
.option-unknown { border-style: dashed; }
.guide-controls { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.primary, .secondary { min-height: 44px; padding: 8px 18px; border-radius: 999px; cursor: pointer; font-weight: 700; }
.primary { background: var(--green); color: var(--white); border: 0; }
.primary:hover { background: var(--green-dark); }
.secondary { background: var(--white); border: 1.5px solid var(--line-strong); }
.guide-list { padding-left: 1.3em; margin: 8px 0; }
.guide-list li { margin: 4px 0; }
.result-models { font-size: 14px; color: var(--muted); }
.spec { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 14px; background: var(--tint); padding: 12px 14px; border-radius: var(--radius-s); margin: 12px 0; }
.spec dt { font-weight: 700; }
.spec dd { margin: 0; }
.result-part { margin-top: 18px; }
.result-part h4 { font-size: 16px; margin: 0 0 4px; }
.buy { background: var(--cream); padding: 12px 14px; border-radius: var(--radius-s); }
.ad-label { font-size: 13px; font-weight: 700; }
.buy-link { display: inline-flex; align-items: center; min-height: 44px; margin: 4px 8px 4px 0; padding: 6px 16px; border: 1.5px solid var(--green); border-radius: 999px; font-weight: 700; text-decoration: none; background: var(--white); }

.cards { display: grid; gap: 16px; }
.card { display: block; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-decoration: none; color: var(--ink); }
.card:hover { border-color: var(--green); }
.card h2 { border: 0; margin: 4px 0; padding: 0; font-size: 20px; }

.site-footer { background: var(--white); border-top: 1px solid var(--line); padding: 28px 0 36px; font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 10px; }
.footer-links a { display: inline-flex; min-height: 44px; align-items: center; }

@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  h1 { font-size: 24px; }
  .lead { font-size: 16px; }
  .guide { padding: 18px 16px; }
  .guide-title { font-size: 19px; }
  .topbar { min-height: 64px; }
  .site-nav a { padding: 0 8px; font-size: 14px; }
  .brand-name { font-size: 19px; }
  .spec { grid-template-columns: 1fr; }
}