/* スキルコンパス — editorial stylesheet */
:root {
  --paper: #f6f4ef;
  --paper-2: #efebe3;
  --white: #ffffff;
  --ink: #1b1b1b;
  --ink-2: #4b4b4b;
  --ink-3: #7a766f;
  --rule: #d8d2c6;
  --accent: #b3432b;
  --good: #2f5646;
  --bad: #8c2f2f;
  --serif: "Noto Serif JP", "Noto Serif CJK JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Noto Sans CJK JP", "Yu Gothic UI", Meiryo, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151515; --paper-2: #1e1e1e; --white: #1b1b1b; --ink: #ecebe7; --ink-2: #c4c2bc;
    --ink-3: #8f8b84; --rule: #363431; --accent: #e07a5f; --good: #7fb79c; --bad: #e08a8a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16.5px; line-height: 2; letter-spacing: .04em;
  font-feature-settings: "palt" 1; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: var(--white); padding: 6px 10px; z-index: 10; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.wrap.wide { max-width: 1120px; }

/* masthead */
.masthead { border-bottom: 1px solid var(--ink); background: var(--paper); }
.masthead-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 32px; padding-top: 18px; padding-bottom: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-mark { display: inline-flex; color: var(--ink); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-ja { font-family: var(--serif); font-weight: 700; font-size: 22px; letter-spacing: .12em; }
.brand-en { font-size: 10px; letter-spacing: .32em; color: var(--ink-3); margin-top: 3px; }
.nav { display: flex; gap: 4px 26px; font-size: 13.5px; overflow-x: auto; white-space: nowrap; max-width: 100%; scrollbar-width: none; }
.nav a { text-decoration: none; color: var(--ink-2); padding: 2px 0; }
.nav a:hover { color: var(--ink); text-decoration: underline; }

/* common */
.label { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--cat, var(--accent)); text-decoration: none; }
@media (prefers-color-scheme: dark) { .label { color: var(--ink-2); } }
.date { font-size: 12px; color: var(--ink-3); letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.section { margin-top: 64px; }
.section-title { font-family: var(--serif); font-size: 15px; letter-spacing: .2em; margin: 0 0 24px; border-top: 2px solid var(--ink); padding-top: 12px; }
.empty { color: var(--ink-3); }

/* home */
.intro { margin: 28px 0 24px; font-size: 13.5px; color: var(--ink-2); letter-spacing: .08em; }
.feature-link { display: grid; grid-template-columns: 1.35fr 1fr; gap: 36px; align-items: center; text-decoration: none; color: var(--ink); padding-bottom: 36px; border-bottom: 1px solid var(--rule); }
.feature-img { width: 100%; aspect-ratio: 1200 / 630; }
.feature-title { font-family: var(--serif); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.55; letter-spacing: .06em; margin: 10px 0 14px; }
.feature-desc { font-size: 14.5px; color: var(--ink-2); line-height: 1.9; margin: 0 0 12px; }
.feature-link:hover .feature-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px; }
.card a { display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--ink); }
.card-img { width: 100%; aspect-ratio: 1200 / 630; margin-bottom: 6px; }
.card-title { font-family: var(--serif); font-weight: 700; font-size: 16.5px; line-height: 1.65; letter-spacing: .04em; }
.card a:hover .card-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.cat-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.cat-col { border-top: 3px solid var(--cat); padding-top: 14px; }
.cat-col h3 { font-family: var(--serif); font-size: 18px; margin: 0 0 6px; letter-spacing: .06em; }
.cat-col h3 a { text-decoration: none; }
.cat-col p { font-size: 13px; color: var(--ink-2); line-height: 1.8; margin: 0 0 12px; }
.cat-col ul { list-style: none; padding: 0; margin: 0 0 12px; }
.cat-col li { border-top: 1px solid var(--rule); padding: 10px 0; font-size: 13.5px; line-height: 1.7; }
.cat-col li a { text-decoration: none; }
.cat-col li a:hover { text-decoration: underline; }
.more { font-size: 12.5px; color: var(--ink-2); }
.about-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; font-size: 14px; color: var(--ink-2); line-height: 1.9; }
.about-cols p { margin: 0; }

/* category */
.cat-header { margin: 8px 0 40px; padding-bottom: 20px; border-bottom: 1px solid var(--ink); }
.cat-header h1 { font-family: var(--serif); font-size: 32px; letter-spacing: .08em; margin: 0 0 6px; }
.cat-header p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* article */
.breadcrumb { font-size: 12px; color: var(--ink-3); margin: 24px 0 28px; display: flex; flex-wrap: wrap; gap: 8px; letter-spacing: .06em; }
.breadcrumb a { color: var(--ink-3); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.article-header h1 { font-family: var(--serif); font-size: clamp(25px, 4.4vw, 34px); line-height: 1.55; letter-spacing: .06em; margin: 12px 0 18px; }
.lead { font-size: 15.5px; color: var(--ink-2); line-height: 1.95; margin: 0 0 22px; }
.byline { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 12.5px; color: var(--ink-3); margin: 0; padding: 12px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.byline a { color: var(--ink-2); }
.pr-notice { font-size: 12px; color: var(--ink-2); margin: 14px 0 0; }
.pr-tag { display: inline-block; border: 1px solid var(--ink-2); font-size: 10px; font-weight: 700; letter-spacing: .1em; line-height: 1; padding: 3px 5px; margin-right: 8px; vertical-align: 1px; }
.cover { width: 100%; margin: 24px 0 40px; }
.toc { border: 1px solid var(--ink); padding: 18px 24px 14px; margin: 0 0 48px; background: var(--white); }
.toc-title { font-family: var(--serif); font-weight: 700; letter-spacing: .2em; margin: 0 0 6px; font-size: 14px; }
.toc .toc { border: 0; padding: 0; margin: 0; background: none; }
.toc ul { list-style: none; counter-reset: toc; padding: 0; margin: 0; }
.toc li { counter-increment: toc; display: grid; grid-template-columns: 2.4em 1fr; font-size: 14px; line-height: 1.75; padding: 5px 0; border-top: 1px dotted var(--rule); }
.toc li:first-child { border-top: 0; }
.toc li::before { content: counter(toc, decimal-leading-zero); font-family: var(--serif); color: var(--accent); font-weight: 700; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }

.body { counter-reset: h2; }
.body > p:first-child { font-size: 17px; }
.body h2 { counter-increment: h2; font-family: var(--serif); font-size: clamp(21px, 3.4vw, 25px); line-height: 1.6; letter-spacing: .05em; margin: 72px 0 24px; padding-top: 18px; border-top: 2px solid var(--ink); scroll-margin-top: 24px; }
.body h2::before { content: counter(h2, decimal-leading-zero); display: block; font-size: 14px; color: var(--accent); letter-spacing: .1em; margin-bottom: 4px; }
.body h3 { font-size: 18px; line-height: 1.65; margin: 44px 0 14px; padding-left: 14px; border-left: 3px solid var(--ink); letter-spacing: .04em; }
.body p { margin: 0 0 1.5em; }
.body ul, .body ol { padding-left: 1.4em; margin: 0 0 1.5em; }
.body li { margin: .3em 0; }
.body strong { font-weight: 700; }
.body a { text-decoration-color: var(--ink-3); }
a.internal-link { font-weight: 700; }
.table-wrap { overflow-x: auto; margin: 8px 0 1.8em; }
.body table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.75; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.body th, .body td { padding: 11px 12px; text-align: left; vertical-align: top; min-width: 7em; border-bottom: 1px solid var(--rule); }
.body thead th { border-bottom: 1px solid var(--ink); font-weight: 700; white-space: nowrap; background: none; }
.body tr:last-child td { border-bottom: 0; }
.body blockquote { margin: 0 0 1.5em; padding: 4px 0 4px 20px; border-left: 2px solid var(--rule); color: var(--ink-2); }

/* 図解ボックス */
.box { margin: 36px 0; }
.body .box-title, .box-title { margin: 0 0 12px; font-size: 13px; font-weight: 700; letter-spacing: .16em; }
.body .box-body p, .body .box-body ul, .body .box-body ol { margin: 0 0 10px; }
.box-body > :last-child { margin-bottom: 0; }
.box-summary { background: var(--paper-2); padding: 22px 26px; }
.box-summary ul, .box-check ul, .box-merit ul, .box-demerit ul { list-style: none; padding-left: 0; }
.box-summary li { position: relative; padding-left: 1.4em; }
.box-summary li::before { content: "—"; position: absolute; left: 0; color: var(--ink-3); }
.box-point { border-left: 3px solid var(--accent); padding: 4px 0 4px 22px; }
.box-point .box-title { color: var(--accent); }
.box-point .box-title::before { content: "POINT　"; }
.box-warning { border: 1px solid var(--ink); padding: 18px 22px; background: var(--white); }
.box-warning .box-title::before { content: "注意　"; color: var(--accent); }
.box-check { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 16px 0 6px; }
.box-check li { position: relative; padding-left: 1.8em; }
.box-check li::before { content: ""; position: absolute; left: 0; top: .55em; width: .95em; height: .95em; border: 1.5px solid var(--ink); }
.box-merit, .box-demerit { border-top: 2px solid var(--good); padding-top: 14px; }
.box-demerit { border-top-color: var(--bad); }
.box-merit .box-title { color: var(--good); }
.box-demerit .box-title { color: var(--bad); }
.box-merit li, .box-demerit li { position: relative; padding-left: 1.4em; }
.box-merit li::before { content: "＋"; position: absolute; left: 0; color: var(--good); font-weight: 700; }
.box-demerit li::before { content: "－"; position: absolute; left: 0; color: var(--bad); font-weight: 700; }
.box-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 36px 0; }
.box-pair .box { margin: 0; }
.box-steps { border-top: 2px solid var(--ink); padding-top: 16px; }
.flow { list-style: none; padding: 0 !important; margin: 0 !important; }
.flow li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 12px 0; margin: 0; border-bottom: 1px solid var(--rule); }
.flow li:last-child { border-bottom: 0; }
.flow-num { font-family: var(--serif); font-size: 26px; font-weight: 700; line-height: 1.2; color: var(--accent); }
.flow-body p { margin: 0 !important; }

/* CTA */
.cta-box { position: relative; border: 1px solid var(--ink); background: var(--white); padding: 26px 22px 24px; margin: 44px 0; text-align: center; }
.cta-label { position: absolute; top: -9px; left: 18px; background: var(--paper); padding: 0 6px; font-size: 10.5px; letter-spacing: .14em; color: var(--ink-3); }
.cta-name { font-family: var(--serif); font-weight: 700; margin: 0 0 14px; font-size: 17px; letter-spacing: .06em; }
.cta-button { display: inline-block; max-width: 100%; background: var(--accent); color: #fff; font-weight: 700; text-decoration: none; padding: 14px 34px; letter-spacing: .08em; font-size: 15px; transition: opacity .15s; }
.cta-button:hover { color: #fff; opacity: .88; }
.cta-button.is-disabled { background: var(--paper-2); color: var(--ink-3); }

/* sources / about / related */
.sources { margin-top: 72px; font-size: 13px; color: var(--ink-2); border-top: 1px solid var(--ink); padding-top: 16px; }
.sources h2 { font-family: var(--serif); font-size: 15px; letter-spacing: .12em; margin: 0 0 8px; color: var(--ink); }
.sources ol { padding-left: 1.5em; word-break: break-all; margin: 0 0 10px; line-height: 1.85; }
.sources a { text-decoration-color: var(--rule); }
.note { color: var(--ink-3); font-size: 12px; margin: 0; }
.about-article { margin-top: 40px; padding: 22px 24px; background: var(--paper-2); font-size: 13.5px; color: var(--ink-2); line-height: 1.9; }
.about-title { font-family: var(--serif); font-weight: 700; color: var(--ink); letter-spacing: .12em; margin: 0 0 6px; }
.about-article p { margin: 0 0 8px; }
.about-links { display: flex; gap: 18px; font-size: 12.5px; margin: 0 !important; }
.related { margin-top: 80px; padding: 8px 0 16px; }

/* footer */
.footer { margin-top: 96px; border-top: 1px solid var(--ink); padding: 40px 0 28px; font-size: 13px; color: var(--ink-2); }
.footer-top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; padding-bottom: 28px; border-bottom: 1px solid var(--rule); }
.footer-tagline { margin: 0; font-size: 12.5px; color: var(--ink-3); max-width: 520px; line-height: 1.8; }
.footer-cols { display: flex; flex-wrap: wrap; gap: 24px 80px; padding: 24px 0; }
.footer-cols nav { display: flex; flex-direction: column; gap: 4px; }
.footer-cols a { text-decoration: none; color: var(--ink-2); }
.footer-cols a:hover { text-decoration: underline; color: var(--ink); }
.footer-head { font-weight: 700; color: var(--ink); letter-spacing: .12em; margin: 0 0 6px; font-size: 12px; }
.footer-note { font-size: 11.5px; line-height: 1.8; color: var(--ink-3); margin: 0 0 8px; border-top: 1px solid var(--rule); padding-top: 20px; }
.copy { margin: 0; font-size: 11.5px; color: var(--ink-3); letter-spacing: .08em; }
.page h1 { font-family: var(--serif); font-size: 30px; letter-spacing: .08em; margin: 36px 0 28px; padding-bottom: 16px; border-bottom: 1px solid var(--ink); }
.page .body h2::before { display: none; }

@media (max-width: 960px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .cat-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  body { font-size: 16px; line-height: 1.95; }
  .feature-link { grid-template-columns: 1fr; gap: 18px; }
  .grid { grid-template-columns: 1fr; gap: 32px; }
  .cat-cols, .about-cols { grid-template-columns: 1fr; gap: 28px; }
  .box-pair { grid-template-columns: 1fr; gap: 28px; }
  .masthead-inner { padding-top: 14px; padding-bottom: 12px; }
  .brand-ja { font-size: 20px; }
  .body h2 { margin-top: 56px; }
  .toc { padding: 16px 18px 12px; }
}