/*
 * からすのす — 全ページ共通の見た目。
 * 読みやすさを最優先：UD フォント、記事の本文は 18px・行間 2.0・幅 680px、段落の間を広く。色の対比はしっかり。
 * 記事の文字組みは、読まれている note の記事を測って合わせた（2026-11-09。本文18px、行間2.0、段落は1〜3文）。
 * 色と文字は先頭の値を直せば全体に効く。ほかのサイトの色（青緑・真鍮）とは分け、
 * 紙・墨・苔色（落ち着き）・陽色（PR やボタン）の4つで組む。
 */
:root {
  --paper: #FBF8F1;
  --paper-2: #F3EEE3;
  --surface: #FFFFFF;
  --ink: #2A2825;
  --ink-2: #57534C;
  --ink-3: #7A766E;
  --line: #E6DFD2;
  --line-2: #EFEAE0;
  --moss: #4F7A5A;
  --moss-deep: #3B5E44;
  --moss-soft: #E7F0E9;
  --sun: #C97A2A;
  --sun-soft: #FBEFD9;
  --marker: #F7E7A6;
  --font: "BIZ UDPGothic", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --wrap: 1000px;
  --measure: 700px;
  --gutter: 24px;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15181A; --paper-2: #1B1F22; --surface: #1D2225;
    --ink: #ECE7DD; --ink-2: #C3BEB3; --ink-3: #959087;
    --line: #2E3337; --line-2: #252A2E;
    --moss: #8FBF9C; --moss-deep: #B5D8BF; --moss-soft: #1E2A22;
    --sun: #E6A75E; --sun-soft: #2E2416; --marker: #4A3F1C;
  }
}
@media (max-width: 560px) { :root { --gutter: 16px; } }

* { 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: 17px; line-height: 1.9;
  font-feature-settings: "palt" 0; overflow-wrap: anywhere;
}
a { color: var(--moss-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--moss); }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: 8px 12px; }
.skip:focus { left: 8px; z-index: 10; }

/* 下書きの帯（公開用では出ない） */
.draft-band { background: var(--sun); color: #fff; text-align: center; font-size: 14px; padding: 6px var(--gutter); }

/* ヘッダー */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding-top: 14px; padding-bottom: 14px; }
.wordmark { font-weight: 700; font-size: 21px; color: var(--ink); text-decoration: none; letter-spacing: .02em; }
.wordmark-sub { font-weight: 400; font-size: 13px; color: var(--ink-2); margin-left: 10px; letter-spacing: .06em; }
@media (max-width: 480px) { .wordmark-sub { display: block; margin-left: 0; font-size: 12px; } }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-left: auto; font-size: 15px; }
.site-nav a { color: var(--ink-2); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--moss-deep); border-bottom-color: var(--moss); }
@media (max-width: 560px) { .site-nav { margin-left: 0; width: 100%; } }

main { padding: 28px 0 56px; }
h1, h2, h3 { line-height: 1.5; font-weight: 700; }
h1 { font-size: 30px; margin: 0 0 12px; }
@media (max-width: 560px) { h1 { font-size: 24px; } body { font-size: 16px; } }

/* トップ */
.hero { padding: 24px 0 8px; max-width: var(--measure); position: relative; min-height: 150px; padding-right: 170px; }
.hero-art { position: absolute; right: 0; top: 10px; width: 140px; height: auto; border-radius: 28px; border: 1px solid var(--line); }
@media (max-width: 560px) { .hero { padding-right: 104px; min-height: 120px; } .hero-art { width: 92px; top: 18px; border-radius: 20px; } }
.hero h1 { font-size: 34px; margin-bottom: 2px; }
.hero .subtitle { color: var(--ink-2); margin: 0 0 10px; font-size: 15px; letter-spacing: .1em; }
.tagline { color: var(--ink-2); margin: 0; font-size: 18px; }
.latest, .cats, .listing, .related { margin-top: 36px; }
.latest h2, .cats h2, .related h2 { font-size: 20px; margin: 0 0 14px; padding-left: 12px; border-left: 4px solid var(--moss); }
.more { margin-top: 10px; }

/* 記事カード */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .cards { grid-template-columns: 1fr 1fr; } }
.card-link { display: grid; gap: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; text-decoration: none; color: var(--ink); height: 100%; }
.card-link:hover { border-color: var(--moss); }
.card-title { font-weight: 700; font-size: 18px; line-height: 1.5; }
.card-desc { color: var(--ink-2); font-size: 15px; line-height: 1.7; }
.card-date { color: var(--ink-3); font-size: 13px; }
.chip { display: inline-block; width: max-content; font-size: 12.5px; color: var(--moss-deep); background: var(--moss-soft); border-radius: 999px; padding: 1px 10px; }
.pr-mini { font-size: 11px; color: var(--sun); border: 1px solid var(--sun); border-radius: 4px; padding: 0 5px; }
.empty { color: var(--ink-3); }
.cat-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.cat-list a { display: inline-flex; gap: 8px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; text-decoration: none; color: var(--ink); }
.cat-list a:hover { border-color: var(--moss); }
.cat-list .count { color: var(--ink-3); font-size: 13px; }

/* 記事 */
.post, .page { max-width: 680px; margin: 0 auto; }
.crumbs { font-size: 14px; color: var(--ink-3); margin: 0 0 14px; }
.crumbs a { color: var(--ink-3); }
.eyecatch { margin: 0 0 22px; }
.eyecatch img { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); }
.post-head h1 { font-size: 28px; line-height: 1.55; margin: 0 0 14px; letter-spacing: .01em; }
.meta { display: flex; flex-wrap: wrap; gap: 2px 16px; color: var(--ink-3); font-size: 13.5px; margin: 0 0 28px; }
.meta-by { color: var(--ink-2); font-weight: 700; }
.lead { color: var(--ink-2); font-size: 17px; margin: 0 0 18px; }
.pr-box { background: var(--sun-soft); border-left: 4px solid var(--sun); border-radius: 0 8px 8px 0; padding: 10px 14px; font-size: 14.5px; margin: 0 0 18px; color: var(--ink-2); }
.pr-box strong { color: var(--sun); margin-right: 4px; }
.toc { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin: 0 0 36px; font-size: 15.5px; line-height: 1.8; }
.toc .toctitle { font-weight: 700; display: block; margin-bottom: 6px; font-size: 14px; letter-spacing: .12em; color: var(--ink-3); }
.toc ul { margin: 0; padding-left: 1.2em; }
.toc li { margin: .3em 0; }
.toc li::marker { color: var(--moss); }
.toc a { text-decoration: none; }

/* 本文：1段落は1〜3文。段落の間をしっかりあける */
.post-body { font-size: 18px; line-height: 2; letter-spacing: .02em; }
.post-body p { margin: 0 0 1.5em; }
.post-body h2 { font-size: 24px; line-height: 1.5; margin: 76px 0 28px; padding: 0 0 12px; border-bottom: 2px solid var(--line); position: relative; letter-spacing: .01em; }
.post-body h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 72px; height: 2px; background: var(--moss); }
.post-body h3 { font-size: 20px; line-height: 1.55; margin: 52px 0 18px; padding-left: 14px; border-left: 5px solid var(--moss); }
.post-body > h2:first-child, .post-body > h3:first-child { margin-top: 8px; }
.post-body strong { font-weight: 700; background: linear-gradient(transparent 64%, var(--marker) 64%); }
.post-body ul, .post-body ol { padding-left: 1.4em; margin: 0 0 1.5em; }
.post-body li { margin: .55em 0; padding-left: .2em; }
.post-body li::marker { color: var(--moss); font-weight: 700; }
.post-body blockquote { margin: 0 0 1.5em; padding: 12px 18px; border-left: 4px solid var(--line); background: var(--paper-2); color: var(--ink-2); border-radius: 0 10px 10px 0; }
.post-body blockquote p:last-child { margin-bottom: 0; }
.post-body .table-wrap { overflow-x: auto; margin: 0 0 1.6em; }
.post-body table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.75; }
.post-body th, .post-body td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top; }
.post-body th { background: var(--paper-2); white-space: nowrap; }
.post-body img { border-radius: 10px; display: block; margin: 0 auto 1.5em; }
.post-body code { background: var(--paper-2); padding: 1px 6px; border-radius: 4px; font-size: .92em; }
.post-body hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0; }

/* 記事の部品（書き方は docs/書き方の決まり.md）。見出しのことばはビルドが入れる */
.post-body .box { border-radius: 14px; padding: 18px 22px; margin: 0 0 1.9em; }
.post-body .box > *:last-child { margin-bottom: 0; }
.post-body .box-label { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14.5px; letter-spacing: .08em; margin: 0 0 8px; line-height: 1.6; }
.post-body .box-label::before { content: ""; flex: none; width: 20px; height: 20px; background: currentColor; -webkit-mask: var(--icon) center / contain no-repeat; mask: var(--icon) center / contain no-repeat; }
.post-body .summary { background: var(--surface); border: 2px solid var(--moss); }
.post-body .summary .box-label { color: var(--moss-deep); --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 21V4M6 5h11l-2.5 4L17 13H6'/%3E%3C/svg%3E"); }
.post-body .summary ul, .post-body .check ul, .post-body .matome ul { list-style: none; padding-left: 0; margin: 0; }
.post-body .summary li, .post-body .check li, .post-body .matome li { position: relative; padding-left: 1.7em; margin: .45em 0; }
.post-body .summary li::before, .post-body .matome li::before { content: ""; position: absolute; left: 0; top: .5em; width: 1.05em; height: 1.05em; background: var(--moss); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / contain no-repeat; }
.post-body .point { background: var(--sun-soft); border-left: 6px solid var(--sun); border-radius: 0 14px 14px 0; }
.post-body .point .box-label { color: var(--sun); --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='10' r='6'/%3E%3Cpath d='M10 16v2h4v-2M10.5 21h3'/%3E%3C/svg%3E"); }
.post-body .keiken { background: var(--paper-2); border: 1px solid var(--line); }
.post-body .keiken .box-label { color: var(--ink-2); --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 20l1-4L16 5l3 3L8 19z'/%3E%3Cpath d='M14 7l3 3'/%3E%3C/svg%3E"); }
.post-body .today, .post-body .note { background: var(--moss-soft); border-radius: 14px; }
.post-body .note { padding: 16px 20px; margin: 0 0 1.9em; }
.post-body .note p:last-child { margin-bottom: 0; }
.post-body .today .box-label { color: var(--moss-deep); --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='6' width='16' height='14' rx='2'/%3E%3Cpath d='M8 4v4M16 4v4M4 11h16'/%3E%3C/svg%3E"); }
.post-body .check { background: var(--surface); border: 1px solid var(--line); }
.post-body .check .box-label { color: var(--moss-deep); --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='16' height='16' rx='3'/%3E%3Cpath d='M8 12.5l3 3 5-6'/%3E%3C/svg%3E"); }
.post-body .check li::before { content: ""; position: absolute; left: 0; top: .5em; width: 1.05em; height: 1.05em; background: var(--ink-3); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='16' height='16' rx='3'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='16' height='16' rx='3'/%3E%3C/svg%3E") center / contain no-repeat; }
.post-body .matome { background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--moss); }
.post-body .matome .box-label { color: var(--moss-deep); --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E"); }
.post-body .dl { background: var(--surface); border: 1px dashed var(--moss); border-radius: 14px; padding: 16px 20px; margin: 0 0 1.9em; }
.post-body .konkyo { font-size: 13.5px; line-height: 1.8; color: var(--ink-3); margin: -0.7em 0 2em; letter-spacing: 0; }
.post-body .konkyo p { margin: 0; }
.post-body .konkyo-label { display: inline-block; font-size: 12px; font-weight: 700; color: var(--moss-deep); background: var(--moss-soft); border-radius: 5px; padding: 0 8px; margin-right: 8px; letter-spacing: .12em; }

/* 学びの場のカード、例の比べ方 */
.post-body .places, .post-body .compare { display: grid; gap: 14px; grid-template-columns: 1fr; margin: 0 0 1.9em; }
@media (min-width: 640px) { .post-body .places, .post-body .compare { grid-template-columns: 1fr 1fr; } }
.post-body .place, .post-body .compare-item { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.post-body .place-name, .post-body .compare-name { font-weight: 700; font-size: 18px; line-height: 1.5; margin: 0 0 6px; }
.post-body .compare-name { font-size: 15px; color: var(--moss-deep); letter-spacing: .04em; }
.post-body .compare-item p:last-child { margin: 0; font-size: 16px; line-height: 1.85; }
.post-body .lv { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-3); margin: 0 0 10px; line-height: 1.4; letter-spacing: .04em; }
.post-body .lv i { width: 22px; height: 6px; border-radius: 3px; background: var(--line); }
.post-body .lv i.on { background: var(--moss); }
.post-body .lv span { margin-right: 4px; }
.post-body .place dl { margin: 0; font-size: 15px; line-height: 1.75; letter-spacing: 0; }
.post-body .place dt { font-size: 12px; font-weight: 700; color: var(--moss-deep); letter-spacing: .1em; margin-top: 8px; }
.post-body .place dd { margin: 0; }

/* よくある質問 */
.post-body h3.faq-q { display: flex; gap: 12px; align-items: flex-start; border-left: 0; padding-left: 0; font-size: 19px; margin: 44px 0 12px; }
.post-body .badge { flex: none; width: 32px; height: 32px; border-radius: 50%; display: inline-grid; place-items: center; font-size: 16px; font-weight: 700; line-height: 1; letter-spacing: 0; }
.post-body .badge-q { background: var(--moss); color: var(--paper); }
.post-body .badge-a { background: var(--sun-soft); color: var(--sun); border: 1px solid var(--sun); }
.post-body .faq-text { padding-top: 1px; }
.post-body .faq-a { display: flex; gap: 12px; align-items: flex-start; }
.post-body .faq-a p { margin: 0 0 1.2em; padding-top: 0; }

.sources, .disclaimer { margin-top: 48px; font-size: 14.5px; line-height: 1.8; }
.sources h2, .disclaimer h2, .related h2 { font-size: 16px; margin: 0 0 8px; padding-left: 12px; border-left: 4px solid var(--line); }
.sources ul { margin: 0; padding-left: 1.4em; }
.sources li { margin: .3em 0; }
.disclaimer p { color: var(--ink-2); margin: 0; }
.author-box { margin-top: 36px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; font-size: 15px; line-height: 1.8; }
.author-box p { margin: 0 0 4px; }
.author-box { position: relative; padding-left: 108px; min-height: 108px; }
.author-icon { position: absolute; left: 18px; top: 18px; width: 72px; height: 72px; border-radius: 50%; border: 1px solid var(--line); }
@media (max-width: 560px) { .author-box { padding-left: 86px; } .author-icon { width: 56px; height: 56px; left: 16px; } }
.author-label { color: var(--ink-3); font-size: 13px; }
.author-name { font-weight: 700; }
.card-thumb { display: block; width: 100%; height: auto; aspect-ratio: 1280 / 670; object-fit: cover; border-radius: 8px; margin-bottom: 4px; border: 1px solid var(--line-2); }
@media (max-width: 560px) {
  .post-head h1 { font-size: 23px; }
  .post-body { font-size: 16.5px; line-height: 1.95; }
  .post-body h2 { font-size: 21px; margin: 60px 0 22px; }
  .post-body h3 { font-size: 18.5px; margin: 42px 0 14px; }
  .post-body h3.faq-q { font-size: 17.5px; }
  .post-body .box { padding: 16px 16px; }
}

/* フッター */
.site-foot { border-top: 1px solid var(--line); background: var(--paper-2); padding: 24px 0 36px; font-size: 14px; color: var(--ink-2); }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 10px; }
.foot-links a { color: var(--ink-2); }
.foot-note { margin: 0 0 8px; max-width: var(--measure); }
.copy { margin: 0; color: var(--ink-3); }