@charset "UTF-8";
/* シェアレコ / 白と青のモバイルファースト。ビルド・Webフォント・JS不要。 */
:root {
  --brand: #1768b3; --brand-dark: #12518d; --brand-tint: #f0f7fc;
  --ink: #233749; --muted: #5b6c7a; --line: #dce6ed; --bg: #fff;
  --owner-line: #cbd8df; --card-bg: #fff; --measure: 860px; --radius: 12px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 24px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif; font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }
img { max-width: 100%; height: auto; }
a { color: var(--brand-dark); text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { color: var(--brand); }
a, button, input, select, textarea, summary { -webkit-tap-highlight-color: #1768b31a; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 4px; }
button, input, select, textarea { font: inherit; }
button, summary { cursor: pointer; }
[hidden] { display: none !important; }
.container { width: 100%; max-width: var(--measure); margin-inline: auto; padding-inline: 20px; }
main { min-height: 45vh; padding-bottom: 16px; }
h1, h2, h3, h4 { color: #1a344b; line-height: 1.55; overflow-wrap: anywhere; }
section[id], div[id], h2[id] { scroll-margin-top: 24px; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 20; padding: 12px 20px; background: #fff; }
.skip-link:focus { top: 8px; }
.site-header { background: #fff; border-bottom: 1px solid var(--line); }
.site-header .container, .site-footer .container { max-width: 1160px; }
.site-header__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px 0; }
.site-brand { display: inline-flex; flex-shrink: 0; gap: 10px; align-items: center; text-decoration: none; color: #143a5a; line-height: 1.3; }
.site-brand img { width: 38px; height: 38px; }
.site-brand strong { display: block; font-size: 25px; letter-spacing: .07em; font-weight: 800; }
.site-brand small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; letter-spacing: .025em; }
.site-nav { display: flex; width: 100%; justify-content: space-between; gap: 8px; border-top: 1px solid #edf2f6; }
.site-nav a { display: flex; align-items: center; justify-content: center; min-height: 48px; font-size: 12px; font-weight: 700; text-decoration: none; color: var(--ink); }
.site-nav a:hover { color: var(--brand); }
.site-footer { margin-top: 64px; padding: 36px 0 24px; background: #f4f8fb; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.site-footer__top { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 28px; }
.site-footer__top .site-brand strong { font-size: 22px; }
.back-top { font-size: 11px; white-space: nowrap; text-decoration: none; }
.site-footer__operator { max-width: 760px; margin: 0 0 24px; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 0 0 20px; padding: 0; list-style: none; }
.site-footer__nav a { display: inline-block; padding-block: 10px; color: var(--ink); text-decoration: none; }
.site-footer__copyright { margin: 0; padding-top: 20px; border-top: 1px solid var(--line); font-size: 11px; }
.breadcrumb { padding: 18px 0 0; margin: 0; list-style: none; font-size: 11px; color: var(--muted); line-height: 1.8; }
.breadcrumb li { display: inline; }
.breadcrumb li + li::before { content: "›"; padding-inline: 8px; color: #7c8f9e; }
.breadcrumb a { text-decoration: none; }
.eyebrow { margin: 0 0 12px; color: var(--brand); font-size: 11px; font-weight: 700; letter-spacing: .16em; line-height: 1.6; }
.page-eyebrow { margin-top: 40px; }
.article__title { margin: 12px 0 20px; font-size: clamp(25px, 4.5vw, 36px); line-height: 1.6; letter-spacing: .025em; }
.article__lead { margin: 0 0 28px; color: var(--muted); line-height: 1.9; }
.article-header { padding-top: 36px; }
.article-header .article__title { margin-top: 0; }
.article-byline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 0 0 28px; font-size: 11px; color: var(--muted); }
.article-byline a { color: var(--muted); text-decoration: none; }
.byline-mark { display: grid; place-items: center; width: 28px; height: 28px; background: var(--brand-tint); color: var(--brand); border-radius: 50%; font-weight: 700; }
.article-toc { padding: 20px; margin: 0 0 36px; background: var(--brand-tint); border: 1px solid #deedf7; border-radius: var(--radius); }
.article-toc p { margin: 0 0 10px; font-size: 14px; font-weight: 700; }
.article-toc ol { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin: 0; padding: 0; list-style: none; counter-reset: toc; }
.article-toc li { counter-increment: toc; min-width: 0; }
.article-toc a { display: flex; align-items: baseline; gap: 8px; padding-block: 8px; text-decoration: none; font-size: 12px; }
.article-toc a::before { content: "0" counter(toc); color: var(--brand); font-size: 10px; }
.editorial { line-height: 2.05; }
.editorial p { margin: 0 0 1.5em; }
.editorial h2, .section-heading { margin: 48px 0 24px; padding: 0 0 14px; border-bottom: 1px solid var(--line); font-size: 21px; letter-spacing: .025em; }
.editorial h2::before, .section-heading::before { content: ""; display: inline-block; width: 5px; height: 1em; margin-right: 12px; background: var(--brand); border-radius: 4px; vertical-align: -.08em; }
.editorial ul, .editorial ol { padding-left: 1.4em; }
.disclosure { margin: 24px 0 12px; padding: 13px 16px; background: #f6f9fb; border-left: 3px solid #91b5d3; border-radius: 0 6px 6px 0; font-size: 12px; color: var(--muted); }
.timestamp { margin: 12px 0 26px; font-size: 12px; color: var(--muted); line-height: 1.9; }
.timestamp strong { font-weight: 500; }
.card--pick { margin: 24px 0; padding: 16px; border: 1px solid #d6e3ec; border-radius: 14px; background: #fff; box-shadow: 0 4px 20px #204c7106; }
.card__media { display: block; margin: 0 0 20px; min-width: 0; }
.card__media a { display: block; border-radius: 8px; }
.card__media img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 8px; background: #f1f5f8; }
.card__media a:hover img, a.card__media:hover img { opacity: .9; }
.card__body { min-width: 0; }
.card__name { margin: 0 0 12px; font-size: 21px; }
.card__name a { text-decoration: none; }
.card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; padding: 0; list-style: none; }
.tag { display: inline-block; padding: 3px 9px; border: 1px solid #dceaf5; border-radius: 4px; color: #315f85; background: #f3f8fc; font-size: 11px; line-height: 1.7; }
.card__catch { margin: 0 0 16px; font-size: 15px; font-weight: 700; color: #36516b; }
.card__facts { display: grid; grid-template-columns: 4.2em minmax(0, 1fr); gap: 8px 12px; padding: 16px; margin: 0 0 20px; border-radius: 8px; background: #f5f9fc; font-size: 14px; line-height: 1.8; }
.card__facts dt { color: var(--muted); font-size: 12px; padding-top: 2px; }
.card__facts dd { margin: 0; }
.card__facts dt:first-child + dd { color: var(--brand-dark); font-weight: 700; }
.card__tenant { margin: 0 0 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.card__tenant h4 { margin: 0 0 6px; font-size: 12px; color: var(--muted); }
.card__tenant p { margin: 0; font-size: 13px; }
.stars { color: var(--brand); letter-spacing: .1em; }
.card__editorial { margin: 0 0 20px; font-size: 15px; line-height: 1.95; }
.card__editorial p { margin: 0 0 8px; }
.card__editorial .card__editorial-label { font-size: 12px; font-weight: 700; color: var(--brand); }
.card__market { font-size: 13px; color: var(--muted); }
.card__owner { margin: 0 0 22px; padding-left: 16px; border-left: 2px solid var(--owner-line); font-size: 13px; color: var(--muted); line-height: 1.9; }
.card__owner p { margin: 0 0 8px; }
.card__owner-label { font-size: 11px; font-weight: 700; }
.card__actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }
.card__actions .btn { width: 100%; }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 12px; min-height: 48px; padding: 12px 20px; border: 1px solid var(--brand); border-radius: 7px; background: #fff; color: var(--brand-dark); font-size: 14px; font-weight: 700; line-height: 1.6; text-decoration: none; text-align: center; cursor: pointer; }
.btn:hover { background: var(--brand-tint); }
.btn--primary { color: #fff; background: var(--brand); }
.btn--primary:hover { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
.card-grid { display: grid; gap: 12px; margin: 24px 0; }
.card--sub { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 14px; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.card--sub .card__media { margin: 0; }
.card--sub .card__media img { aspect-ratio: 1; }
.card--sub .card__name { margin: 0 0 6px; font-size: 14px; }
.card--sub .card__meta { margin: 0; font-size: 12px; color: var(--muted); }
.card--noimage { display: block; }
.sub-note { color: var(--muted); font-size: 13px; }
.market { display: grid; grid-template-columns: 6em minmax(0, 1fr); gap: 14px; margin: 0 0 24px; padding: 20px; background: var(--brand-tint); border-radius: var(--radius); }
.market dt { color: var(--muted); font-size: 13px; }
.market dd { margin: 0; font-size: 20px; color: var(--brand-dark); font-weight: 700; line-height: 1.7; }
.market__range { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }
.market-note { margin: -12px 0 24px; color: var(--muted); font-size: 12px; line-height: 1.9; }
/* データ記事 (design.md §17)。グラフは HTML + CSS だけ。数字は必ず文字でも出す */
.stat-tiles { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 0 0 16px; }
.stat-tiles > div { padding: 14px 18px; background: var(--brand-tint); border-radius: var(--radius); }
.stat-tiles dt { font-size: 12px; color: var(--muted); }
.stat-tiles dd { margin: 2px 0 0; font-size: 26px; font-weight: 700; color: #1a344b; line-height: 1.35; font-variant-numeric: tabular-nums; }
.stat-tiles small { margin-left: 2px; font-size: 13px; font-weight: 500; }
.market-more { margin: -8px 0 32px; font-size: 14px; }
.data-method, .data-note { margin: 0 0 24px; font-size: 12px; color: var(--muted); line-height: 1.9; }
.data-note { margin-top: -12px; }
.range-chart, .dist-chart { margin: 0 0 24px; padding: 18px 16px 10px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.range-chart figcaption, .dist-chart figcaption { margin: 0 0 6px; font-size: 13px; font-weight: 700; color: #1a344b; line-height: 1.6; }
.range-chart__key { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; margin: 0 0 14px; font-size: 11px; color: var(--muted); line-height: 1.6; }
.key-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.key-item > span { display: inline-block; flex-shrink: 0; }
.key-band, .key-bar { width: 20px; height: 8px; background: #9fc4e7; border-radius: 4px; }
.key-bar.is-median { background: var(--brand); }
.key-dot { width: 10px; height: 10px; background: var(--brand); border-radius: 50%; }
.key-ref { width: 0; height: 12px; border-left: 1px dashed #6f8495; }
.range-chart__axis { position: relative; height: 18px; margin: 0 0 2px; font-size: 10px; line-height: 18px; color: var(--muted); font-variant-numeric: tabular-nums; }
.range-chart__axis span { position: absolute; top: 0; transform: translateX(-50%); white-space: nowrap; }
.range-chart__axis span:first-child { transform: none; }
.range-chart__axis span:last-child { transform: translateX(-100%); }
.range-chart__rows, .dist-chart__rows { margin: 0; padding: 0; list-style: none; }
.range-row { padding: 10px 0 8px; border-top: 1px solid #edf2f6; }
.range-row__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 2px 10px; margin: 0 0 6px; font-size: 14px; line-height: 1.5; }
.range-row__label small { margin-left: 4px; font-size: 11px; color: var(--muted); }
.range-row__median { margin-left: auto; font-size: 11px; color: var(--muted); white-space: nowrap; }
.range-row__median strong { font-size: 15px; color: #1a344b; font-variant-numeric: tabular-nums; }
.range-row__track { position: relative; display: block; height: 14px; background-color: #f4f8fb; border-radius: 4px; box-shadow: inset -1px 0 #dce6ed;
  background-image: repeating-linear-gradient(90deg, #dce6ed 0 1px, transparent 1px calc(100% / var(--n, 5))); }
.range-row__band { position: absolute; top: 3px; bottom: 3px; left: var(--lo); right: calc(100% - var(--hi)); min-width: 4px; background: #9fc4e7; border-radius: 4px; }
.range-row__ref { position: absolute; top: -3px; bottom: -3px; left: var(--ref); border-left: 1px dashed #6f8495; }
.range-row__dot { position: absolute; top: 50%; left: var(--mid); width: 12px; height: 12px; margin: -6px 0 0 -6px; background: var(--brand); border-radius: 50%; box-shadow: 0 0 0 2px #fff; }
.range-row__meta { margin: 4px 0 0; font-size: 11px; color: var(--muted); line-height: 1.7; font-variant-numeric: tabular-nums; }
/* 割合の横棒 (0〜100%)。起点を左端に揃え、端だけ丸める */
.key-band--solid, .range-row__band--solid { background: var(--brand); }
.range-row__band--solid { top: 3px; bottom: 3px; border-radius: 0 4px 4px 0; min-width: 2px; }
/* 内訳の積み上げ (順序のある 3 区分を 1 色の濃淡で。validate_palette.js で確認済み) */
.seg-0 { background: #7ab4f0; } .seg-1 { background: #3a84d4; } .seg-2 { background: #15558f; }
.key-seg { width: 14px; height: 8px; border-radius: 2px; }
.mix-bar { display: flex; gap: 2px; height: 14px; }
.mix-bar span { flex: 1 1 0; min-width: 3px; }
.mix-bar span:first-child { border-radius: 4px 0 0 4px; }
.mix-bar span:last-child { border-radius: 0 4px 4px 0; }
.mix-bar span:only-child { border-radius: 4px; }
.range-row.is-total { padding-bottom: 12px; border-top: 0; border-bottom: 2px solid var(--line); }
.range-row.is-total .range-row__label { font-weight: 700; }
/* 2 点の比較。濃い点 = 比べる側、薄い点 = 基準の側 */
.range-row__link { position: absolute; top: 50%; left: var(--lo); right: calc(100% - var(--hi)); height: 2px; margin-top: -1px; background: #7ab4f0; }
.range-row__dot--far { left: var(--far); background: #7ab4f0; }
.key-dot--far { background: #7ab4f0; }
.dist-row { display: grid; grid-template-columns: 7.2em minmax(0, 1fr) 7.6em; align-items: center; gap: 10px; padding: 5px 0; font-size: 13px; line-height: 1.5; }
.dist-row__label { line-height: 1.4; }
.dist-row__bar { display: block; height: 14px; }
.dist-row__bar span { display: block; height: 100%; min-width: 2px; background: #9fc4e7; border-radius: 0 4px 4px 0; }
.dist-row.is-median .dist-row__bar span { background: var(--brand); }
.dist-row__value { text-align: right; white-space: nowrap; font-size: 12px; font-variant-numeric: tabular-nums; }
.dist-row__value small { font-size: 11px; color: var(--muted); }
@media (min-width: 600px) {
  .stat-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .range-chart, .dist-chart { padding: 22px 24px 12px; }
}
.ad-slot { min-height: 280px; margin: 48px 0; padding: 8px 0; border-top: 1px solid var(--line); background: #fafcfd; text-align: center; }
.ad-slot__label { display: block; font-size: 11px; color: var(--muted); }
.reading-tip { display: grid; grid-template-columns: 1fr; gap: 12px; align-items: center; margin: 48px 0; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.reading-tip img { width: 200px; justify-self: center; }
.reading-tip h2 { margin: 0 0 12px; font-size: 20px; }
.reading-tip p:not(.eyebrow) { margin: 0 0 14px; font-size: 14px; }
.related { margin: 48px 0; }
.related .section-heading { margin-top: 0; }
.text-link { display: inline-block; padding-block: 10px; font-size: 13px; font-weight: 700; }
/* トップ: 広いキャンバス、短い行長、暮らしのイラスト */
.page-home { --measure: 1160px; }
.hero { display: grid; padding-top: 32px; gap: 12px; }
.hero__copy { position: relative; z-index: 1; }
.hero h1 { margin: 0 0 18px; font-size: clamp(29px, 6.7vw, 44px); line-height: 1.6; letter-spacing: .045em; }
.hero h1 span { color: var(--brand); }
.hero__lead { font-size: 14px; line-height: 2; color: var(--muted); margin: 0 0 24px; }
.mobile-break { display: block; }
.title-phrase { display: inline-block; }
.hero__actions { display: flex; gap: 10px; }
.hero__actions .btn { flex: 1; padding-inline: 12px; font-size: 12px; }
.hero__by { color: var(--muted); font-size: 10px; margin: 16px 0 0; }
.hero__image { width: 100%; align-self: center; }
.intro-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 12px; padding: 20px 0; margin-top: 8px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; }
.intro-strip > span { font-weight: 700; }
.intro-strip > a { display: block; width: 100%; padding-top: 4px; font-size: 11px; text-align: center; text-decoration: none; }
.home-section { margin: 56px 0; }
.home-section h2, .about-band h2 { font-size: clamp(23px, 3.2vw, 30px); margin: 0 0 18px; line-height: 1.65; letter-spacing: .03em; }
.section-lead { margin: 0 0 26px; color: var(--muted); font-size: 14px; line-height: 1.95; }
.topic-grid { display: grid; grid-template-columns: 1fr; gap: 12px; list-style: none; margin: 0 0 16px; padding: 0; }
.topic-grid li { min-width: 0; }
.topic-card { display: flex; gap: 14px; align-items: center; height: 100%; min-height: 91px; padding: 18px; border: 1px solid var(--line); border-radius: 9px; text-decoration: none; color: var(--ink); background: #fff; transition: border-color .15s, background .15s; }
.topic-card:hover { border-color: #80b0d9; background: #f8fbfe; color: var(--brand-dark); }
.topic-card__icon { display: grid; flex: 0 0 38px; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: var(--brand); background: var(--brand-tint); }
.line-icon { width: 23px; height: 23px; }
.topic-card__text { flex: 1; min-width: 0; }
.topic-card strong { display: block; font-size: 15px; line-height: 1.7; }
.topic-card small { display: block; margin-top: 5px; font-size: 11px; line-height: 1.7; color: var(--muted); }
.topic-card__arrow { font-size: 18px; color: var(--brand); }
.home-section--tint { padding: 28px 16px; margin-inline: -4px; background: #f4f8fc; border-radius: 16px; }
.topic-grid--theme { grid-template-columns: 1fr 1fr; gap: 10px; }
.topic-grid--theme .topic-card { position: relative; display: block; padding: 16px 12px; }
.topic-grid--theme .topic-card__icon { margin-bottom: 10px; background: transparent; border-radius: 0; width: 28px; height: 28px; }
.topic-grid--theme .topic-card strong { font-size: 13px; }
.topic-grid--theme .topic-card small { font-size: 10px; }
.topic-grid--theme .topic-card__arrow { position: absolute; top: 17px; right: 14px; font-size: 15px; }
.pick-list { display: grid; grid-template-columns: 1fr; gap: 24px; list-style: none; padding: 0; margin: 24px 0; }
.pick { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.pick__media { display: block; }
.pick__media img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; background: #f3f6f8; }
.pick__body { display: flex; flex: 1; flex-direction: column; padding: 20px; }
.pick__area { margin: 0 0 8px; color: var(--brand); font-size: 11px; font-weight: 700; }
.pick__name { margin: 0 0 10px; font-size: 18px; line-height: 1.7; }
.pick__name a { text-decoration: none; color: var(--ink); }
.pick__meta { margin: 0 0 12px; font-size: 12px; color: var(--muted); }
.pick__rent { margin: auto 0 12px; font-size: 16px; color: var(--brand-dark); font-weight: 700; }
.pick__link { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--line); text-decoration: none; font-weight: 700; font-size: 12px; min-height: 44px; }
.guide { border-top: 1px solid var(--line); padding-top: 40px; }
.guide__intro { display: grid; align-items: center; }
.guide__intro img { width: 280px; justify-self: center; margin-bottom: 24px; }
.step-grid { display: grid; list-style: none; padding: 0; margin: 0; gap: 16px; }
.step-grid li { padding: 24px; border-radius: 12px; background: #f4f8fb; }
.step-number { display: block; color: var(--brand); font-size: 30px; line-height: 1.3; font-weight: 300; letter-spacing: .06em; }
.step-grid h3 { margin: 14px 0 12px; font-size: 17px; }
.step-grid p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.step-grid a { display: inline-block; padding-block: 8px; font-size: 12px; font-weight: 700; }
.checklist details { border-bottom: 1px solid var(--line); }
.checklist details:first-of-type { border-top: 1px solid var(--line); }
.checklist summary { padding: 20px 32px 20px 0; font-size: 14px; font-weight: 700; position: relative; list-style: none; }
.checklist summary::-webkit-details-marker { display: none; }
.checklist summary::after { content: "+"; position: absolute; right: 4px; top: 15px; font-size: 24px; color: var(--brand); font-weight: 400; }
.checklist details[open] summary::after { content: "−"; }
.checklist details p { max-width: 760px; margin: 0 0 24px; color: var(--muted); font-size: 14px; line-height: 2; }
.about-band { display: grid; gap: 16px; padding: 28px; border-radius: 12px; background: #f0f7fc; }
.about-band h2 { font-size: 25px; }
.about-band p:not(.eyebrow) { margin: 0; font-size: 14px; color: var(--muted); }
/* 運営者・ポリシー・お問い合わせ */
.page-info { --measure: 800px; }
.about-visual { margin: 20px 0 36px; background: #f7fafc; border-radius: 16px; overflow: hidden; }
.about-visual img { display: block; width: 100%; max-height: 320px; object-fit: contain; }
.about-table { display: grid; grid-template-columns: 1fr; gap: 6px; margin: 0 0 28px; padding: 20px; border-radius: 10px; background: #f5f9fc; font-size: 14px; }
.about-table dt { color: var(--muted); font-size: 12px; font-weight: 700; }
.about-table dd { margin: 0 0 12px; }
.about-table dd:last-child { margin-bottom: 0; }
.form { margin-top: 36px; padding: 24px 20px; background: #f5f9fc; border: 1px solid var(--line); border-radius: 12px; }
.form-row { display: grid; gap: 10px; margin: 0 0 24px; }
.form-row label { font-size: 14px; font-weight: 700; }
.req { padding: 3px 6px; margin-left: 10px; background: #e2edf7; border-radius: 3px; color: var(--brand-dark); font-size: 10px; font-weight: 700; }
.form input[type="text"], .form input[type="email"], .form select, .form textarea { width: 100%; min-width: 0; min-height: 48px; padding: 12px; font-size: 16px; background: #fff; border: 1px solid #b8cbd9; border-radius: 6px; color: var(--ink); }
.form textarea { resize: vertical; line-height: 1.8; }
.form-actions { margin: 30px 0 0; }
.form-actions .btn { width: 100%; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-errors { background: #fff2f1; border: 1px solid #dbaaa5; border-radius: 8px; color: #8a261d; padding: 20px 20px 20px 40px; font-size: 14px; }
.form-done { background: #eef8f2; border: 1px solid #b2d8bf; border-radius: 8px; padding: 20px; color: #27603b; }
.dev-note, .todo { padding: 14px; background: #fff8e8; color: #72531f; border: 1px solid #ead4a7; border-radius: 6px; font-size: 13px; }
code { padding: 2px 5px; background: #eef3f6; border-radius: 3px; font-size: .9em; }
@media (max-width: 359px) {
  .container { padding-inline: 16px; }
  .hero h1 { font-size: 27px; }
  .mobile-break { display: block; }
  .hero__actions { flex-direction: column; }
  .article-toc ol { grid-template-columns: 1fr; }
  .site-nav a { font-size: 11px; }
  .site-footer__top { flex-wrap: wrap; }
  .market { grid-template-columns: 1fr; }
}
@media (min-width: 600px) {
  .mobile-break { display: none; }
  .container { padding-inline: 32px; }
  .topic-grid, .pick-list, .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { padding-top: 48px; }
  .hero__actions { max-width: 390px; }
  .hero__image { max-width: 650px; justify-self: center; }
  .home-section { margin-block: 72px; }
  .home-section--tint { padding: 36px; margin-inline: 0; }
  .topic-grid--theme { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .guide__intro { grid-template-columns: 1fr 220px; gap: 20px; }
  .step-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .step-grid li { padding: 20px; }
  .step-grid h3 { font-size: 15px; }
  .step-grid p { font-size: 13px; }
  .reading-tip { grid-template-columns: 180px minmax(0, 1fr); }
  .about-band { grid-template-columns: .8fr 1.2fr; gap: 40px; padding: 40px; }
  .about-table { grid-template-columns: 8em minmax(0, 1fr); gap: 20px; padding: 28px; }
  .about-table dd { margin: 0; }
  .form { padding: 36px; }
  .form-actions .btn { width: auto; min-width: 200px; }
}
@media (min-width: 800px) {
  .site-header__inner { flex-wrap: nowrap; padding-block: 22px; }
  .site-nav { width: auto; border: 0; gap: 32px; }
  .site-nav a { font-size: 13px; min-height: 44px; }
  .article-header { padding-top: 44px; }
  .article-toc { padding: 24px 28px; }
  .article-toc ol { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .card--pick { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px; padding: 24px; }
  .card--pick .card__media { align-self: start; margin: 0; }
  .card--noimage { display: block; }
  .card--pick .card__name { font-size: 22px; }
  .intro-strip { justify-content: flex-start; padding: 24px; gap: 24px; }
  .intro-strip > a { width: auto; margin-left: auto; padding-top: 0; }
  .site-footer { padding-block: 48px 28px; }
}
@media (min-width: 1000px) {
  .hero { grid-template-columns: 1fr 1.15fr; gap: 0; padding-block: 62px 54px; align-items: center; }
  .hero h1 { font-size: 38px; white-space: nowrap; }
  .hero__lead { font-size: 15px; }
  .hero__image { width: 110%; max-width: none; margin-right: -20px; }
  .hero__actions .btn { font-size: 13px; }
  .hero__by { font-size: 10px; }
  .topic-grid--theme { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .topic-grid--theme .topic-card { padding: 20px 16px; }
  .topic-grid--theme .topic-card strong { font-size: 14px; }
  .topic-grid--theme .topic-card small { font-size: 11px; }
  .topic-grid--area { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topic-grid--area .topic-card { min-height: 100px; padding: 20px 24px; }
  .pick-list { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
  .pick__body { padding: 18px; }
  .pick__name { font-size: 15px; }
  .pick__rent { font-size: 14px; }
  .guide__intro { grid-template-columns: 1fr 280px; }
  .step-grid li { padding: 28px; }
  .step-grid h3 { font-size: 18px; }
  .step-grid p { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }
@media print {
  .site-nav, .site-footer, .hero__actions, .ad-slot, .skip-link, .back-top { display: none !important; }
  .container { max-width: none; }
  .card--pick, .topic-card, .step-grid li { break-inside: avoid; box-shadow: none; }
}

/* ---- 記事のヒーロー画像 / カードのサムネイル (2026-09-07) --------------
   記事ごとに登録する。無い記事はアイコン表示のままで崩れない。 */

.article__hero { margin: 1.2rem 0 1.6rem; }
.article__hero img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 16 / 9; object-fit: cover;
  border-radius: var(--radius); background: #eee;
}

.topic-card__thumb { display: block; flex: 0 0 auto; }
.topic-card__thumb img {
  display: block; width: 88px; height: 60px; object-fit: cover;
  border-radius: var(--radius); background: #eee;
}
@media (min-width: 640px) {
  .topic-card__thumb img { width: 104px; height: 70px; }
}

/* 大カードの「運営者の最近の投稿」(design.md §18)。運営者の言葉なので紹介文と同じ控えめな扱い */
.card__post { margin: 0 0 22px; padding-left: 16px; border-left: 2px solid var(--owner-line); font-size: 13px; color: var(--muted); line-height: 1.8; }
.card__post-label { margin: 0 0 6px; font-size: 11px; font-weight: 700; }
.card__post-label time { margin-left: 6px; font-weight: 400; }
.card__post-body { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); text-decoration: none; }
.card__post-body img { flex: 0 0 auto; width: 72px; height: 72px; object-fit: cover; border-radius: 6px; background: #f1f5f8; }
.card__post-more { color: var(--brand-dark); font-weight: 700; white-space: nowrap; }
.card__post-body:hover .card__post-more { text-decoration: underline; }

/* 目次の下の「絞り込み」リンク (design.md §19-2) */
.narrow { margin: -16px 0 36px; }
.narrow__label { margin: 0 0 8px; font-size: 12px; font-weight: 700; color: var(--muted); }
.narrow__list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.narrow__list a { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 6px 14px; border: 1px solid #cfe0ee; border-radius: 999px; background: #fff; color: var(--brand-dark); font-size: 13px; font-weight: 700; text-decoration: none; }
.narrow__list a:hover { background: var(--brand-tint); border-color: #b9d3e8; }

/* ---- 要点・よくある質問・フッターの記事一覧 (design.md §20) ---- */
.key-facts { margin: 0 0 28px; padding: 18px 20px; background: #fff; border: 1px solid #deedf7; border-left: 4px solid var(--brand); border-radius: var(--radius); }
.key-facts__label { margin: 0 0 8px; color: var(--brand); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.key-facts__summary { margin: 0 0 14px; font-size: 14px; line-height: 1.9; }
.key-facts__list { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px 16px; margin: 0; padding: 0; }
.key-facts__list div { min-width: 0; }
.key-facts__list dt { color: var(--muted); font-size: 11px; }
.key-facts__list dd { margin: 2px 0 0; color: var(--brand-dark); font-size: 15px; font-weight: 700; line-height: 1.5; }
.key-facts__note { margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.faq { margin: 48px 0 0; }
.faq .section-heading { margin-top: 0; }
.faq__list { margin: 0; padding: 0; }
.faq__item { padding: 16px 0; border-bottom: 1px solid var(--line); }
.faq__item:first-child { border-top: 1px solid var(--line); }
.faq__item dt { margin: 0 0 8px; padding-left: 1.6em; text-indent: -1.6em; font-size: 15px; font-weight: 700; line-height: 1.7; }
.faq__item dt::before { content: "Q"; display: inline-block; width: 1.6em; color: var(--brand); text-indent: 0; }
.faq__item dd { margin: 0; padding-left: 1.6em; color: var(--ink); font-size: 14px; line-height: 2; }
.site-footer__links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 24px; margin: 0 0 28px; padding: 0 0 24px; border-bottom: 1px solid var(--line); }
.site-footer__links p { margin: 0 0 4px; color: var(--ink); font-size: 12px; font-weight: 700; }
.site-footer__links ul { margin: 0; padding: 0; list-style: none; }
.site-footer__links a { display: inline-block; padding-block: 5px; color: var(--muted); font-size: 12px; text-decoration: none; }
.site-footer__links a:hover { color: var(--brand); }
@media (min-width: 720px) { .site-footer__links { grid-template-columns: repeat(4, 1fr); } }

/* ---- 言語切替 (design.md §21-2) ---- */
.lang-switch ul { display: flex; gap: 2px; margin: 0; padding: 0; list-style: none; }
.lang-switch a { display: inline-block; padding: 6px 10px; border-radius: 999px; color: var(--muted); font-size: 12px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.lang-switch a:hover { background: var(--brand-tint); color: var(--brand-dark); }
.lang-switch a[aria-current] { background: var(--brand-tint); color: var(--brand-dark); }
@media (max-width: 599px) { .lang-switch { order: 2; } .lang-switch a { padding: 6px 8px; } }