/* LP v3 の色・書体・形を継承する静的ブログ。
   DESIGN_VARIANCE 5 / MOTION_INTENSITY 0 / VISUAL_DENSITY 4.
   大きな面と画像は角丸、いきものの背景はアーチ、公開表示は線のカプセル。
   レイヤーは通常コンテンツ、端末背景（独立した重なり内の -1）、スキップリンク（10）。 */
:root {
  color-scheme: light;
  --cream: #f6efe6;
  --peach: #f3dfd3;
  --oat: #e8ddc9;
  --ink: #292623;
  --muted: #70665e;
  --line: #c9bbac;
  --paper: #faf7f2;
  --font-display: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', sans-serif;
  --radius-card: 24px;
  --gutter: clamp(24px, 5vw, 72px);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', Meiryo, sans-serif; font-size: 16px; line-height: 1.9; -webkit-font-smoothing: antialiased; overflow-wrap: anywhere; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.55; }
h1 { font-weight: 900; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
.blog-wrap { width: min(100% - var(--gutter) * 2, 1104px); margin-inline: auto; }
.reading-width { width: min(100% - var(--gutter) * 2, 680px); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 10px 20px; background: var(--ink); color: var(--paper); border-radius: 999px; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.site-header { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.blog-logo { display: inline-flex; align-items: center; min-height: 44px; flex-shrink: 0; }
.blog-logo img { width: 132px; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.site-nav a { position: relative; min-height: 44px; display: flex; align-items: center; justify-content: center; padding: 8px 0; white-space: nowrap; }
.site-nav [aria-current]::after { content: ''; position: absolute; height: 2px; left: 0; right: 0; bottom: 3px; background: var(--ink); border-radius: 2px; }
.blog-intro { background: var(--peach); }
.blog-intro-inner { position: relative; min-height: 490px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); align-items: center; gap: 44px; padding-block: 64px; }
.blog-intro-copy { position: relative; }
.page-label { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin-bottom: 24px; }
.blog-intro h1 { font-size: clamp(25px, 2.35vw, 34px); letter-spacing: .01em; line-height: 1.65; }
.blog-intro .lead { max-width: 33em; margin-top: 24px; font-size: 16px; line-height: 1.9; }
.blog-intro-friends { position: relative; width: 86%; height: 350px; justify-self: center; align-self: end; margin-bottom: -64px; border-radius: 200px 200px 0 0; background: var(--cream); }
.intro-pile { position: absolute; width: 128%; max-width: none; bottom: -40px; left: -14%; }
.article-list-section { padding-block: 92px 112px; }
.article-grid { padding: 0; margin: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 52px 48px; }
.article-card { min-width: 0; }
.article-card-link { height: 100%; display: flex; flex-direction: column; border-radius: var(--radius-card); }
.article-card-link:hover { text-decoration: none; }
.article-card-link:hover .article-card-title { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
.article-card-link:active .article-card-art { outline: 2px solid var(--ink); outline-offset: 3px; }
.article-card-art { overflow: hidden; border-radius: var(--radius-card); background: var(--oat); }
.article-card-art img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.article-card-copy { display: flex; flex-direction: column; flex: 1; padding: 22px 4px 0; }
.article-card-title { font-size: 23px; line-height: 1.6; }
.article-card-description { margin-top: 14px; font-size: 15px; line-height: 1.9; }
.article-meta { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 12px; line-height: 1.8; color: var(--muted); }
.article-card .article-meta { margin-top: auto; padding-top: 20px; }
.breadcrumbs { padding-top: 20px; font-size: 12px; line-height: 1.8; color: var(--muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px 10px; list-style: none; padding: 0; margin: 0; }
.breadcrumbs li:not(:last-child) { flex-shrink: 0; }
.breadcrumbs li:not(:last-child)::after { content: '›'; padding-left: 10px; }
.breadcrumbs a { text-decoration: underline; text-underline-offset: 3px; }
.article-shell { padding-block: 46px 88px; }
.article-title { font-size: clamp(27px, 2.6vw, 36px); line-height: 1.65; letter-spacing: .02em; }
.article-heading .article-meta { margin-top: 24px; }
.article-eyecatch { width: min(100% - var(--gutter) * 2, 840px); margin: 36px auto 40px; overflow: hidden; border-radius: 32px; background: var(--oat); }
.article-eyecatch img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.article-body { font-size: 17px; line-height: 2; }
.article-body .lead { font-size: 18px; line-height: 2; }
.article-body p + p { margin-top: 20px; }
.article-body a { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.notice { margin-top: 28px; padding: 20px 24px; background: var(--oat); border-radius: 16px; color: var(--ink); font-size: 13px; line-height: 1.85; }
.article-body h2 { margin-top: 72px; margin-bottom: 24px; font-size: 27px; line-height: 1.65; }
.article-body h3 { margin-top: 36px; margin-bottom: 16px; font-size: 21px; }
.article-body ol, .article-body ul { padding-left: 1.6em; margin-block: 24px; }
.article-body li + li { margin-top: 16px; }
.article-body li::marker { color: var(--ink); font-weight: 700; }
.article-body .steps { list-style: none; padding: 0; counter-reset: step; margin-block: 28px; }
.steps > li { counter-increment: step; position: relative; padding-left: 52px; }
.steps > li + li { margin-top: 44px; }
.steps > li::before { content: counter(step); position: absolute; top: 2px; left: 0; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--paper); font-size: 15px; font-weight: 700; line-height: 1; }
.shot { display: grid; place-items: center; width: min(100%, 234px); aspect-ratio: 9 / 19.5; padding: 24px; margin: 24px auto 0; border: 1.5px dashed var(--muted); border-radius: var(--radius-card); background: var(--paper); color: var(--muted); text-align: center; font-size: 13px; line-height: 1.85; }
.muu-tip { display: flex; align-items: center; gap: 18px; margin-block: 32px; }
.muu-tip-image { width: 88px; flex: 0 0 88px; }
.muu-tip-bubble { position: relative; background: var(--paper); border-radius: var(--radius-card); padding: 20px 24px; font-size: 15px; line-height: 1.9; }
.muu-tip-bubble::before { content: ''; position: absolute; top: calc(50% - 8px); left: -9px; width: 18px; height: 18px; border-radius: 3px; background: var(--paper); transform: rotate(45deg); }
.muu-tip-label { font-family: var(--font-display); font-weight: 700; font-size: 12px; color: var(--muted); }
.muu-tip-bubble .muu-tip-label + p { margin-top: 4px; }
/* 固定要素は生成時の置換範囲より前に置く。段落数が変わっても公開案内は最後に並ぶ。 */
.muupo-feature { --feature-width: min(calc(100vw - var(--gutter) * 2), 1000px); display: grid; grid-template-columns: 280px minmax(0, 1fr); column-gap: 44px; align-content: center; width: var(--feature-width); margin-top: 80px; margin-left: calc((100% - var(--feature-width)) / 2); padding: 44px; background: var(--peach); border-radius: 32px; }
.muupo-feature > * { min-width: 0; grid-column: 2; }
.muupo-feature-visual { position: relative; isolation: isolate; grid-column: 1; grid-row: 1 / span 8; align-self: center; display: grid; place-items: center; padding-block: 20px; order: -3; }
.muupo-feature-visual::before { content: ''; position: absolute; inset: 70px -8px 0; background: var(--cream); border-radius: 180px 180px 24px 24px; z-index: -1; }
.device-frame { width: 228px; overflow: hidden; border: 5px solid #34302c; border-radius: 30px; background: #efece6; box-shadow: 0 18px 40px #59463016; }
.device-frame img { width: 100%; height: auto; }
.muupo-feature-heading { order: -2; margin-bottom: 22px; }
.muupo-feature-heading h2 { margin: 0; font-size: 28px; line-height: 1.55; }
.muupo-feature-muu { display: none; }
.article-body .muupo-feature-points { order: -1; padding: 0 0 24px; margin: 0 0 22px; list-style: none; border-bottom: 1px solid var(--line); }
.muupo-feature-points li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; font-weight: 600; line-height: 1.8; }
.article-body .muupo-feature-points li + li { margin-top: 14px; }
.muupo-feature-points svg { width: 24px; height: 24px; margin-top: 1px; flex: 0 0 24px; }
.feature-phrase { display: inline-block; }
.muupo-feature > p { font-size: 15px; line-height: 1.85; }
.muupo-feature > p + p { margin-top: 14px; }
.soon-action { order: 1; display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; column-gap: 22px; margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.soon-pill { display: inline-flex; align-items: center; justify-content: center; justify-self: start; min-height: 44px; padding: 6px 22px; border: 1.5px solid var(--ink); border-radius: 999px; font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: .08em; white-space: nowrap; }
.muupo-feature-social { font-size: 12px; line-height: 1.6; }
.muupo-feature-social nav { display: flex; flex-wrap: wrap; gap: 0 16px; }
.muupo-feature-social a { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; text-decoration: none; }
.muupo-feature-social a:hover { text-decoration: underline; }
.soon-action .android-note { grid-column: 1 / -1; margin-top: 10px; color: #655b53; font-size: 11px; line-height: 1.8; }
.related-articles { padding-block: 64px 80px; background: var(--paper); }
.related-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 36px; }
.related-heading h2 { font-size: 30px; }
.all-articles { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; gap: 12px; }
.article-grid--related { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.article-card--small .article-card-title { font-size: 19px; }
.article-card--small .article-card-description { font-size: 14px; }
.article-card--small .article-meta { gap: 3px 12px; font-size: 11px; }
.lp-footer { background: var(--oat); padding: 64px 0 40px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.social-links { display: flex; flex-wrap: wrap; gap: 28px; font-size: 13px; }
.social-links a { display: inline-flex; align-items: center; min-height: 44px; }
.social-links span { margin-left: 8px; }
.social-handle { margin-top: 22px; color: var(--muted); font-size: 12px; }
.legal-links { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 30px; font-size: 12px; }
.legal-links a { min-height: 44px; display: flex; align-items: center; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; font-size: 11px; margin-top: 28px; color: var(--muted); }
@media (max-width: 1000px) and (min-width: 768px) {
  .blog-intro-inner { min-height: 410px; gap: 28px; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); padding-block: 48px; }
  .blog-intro-friends { height: 270px; margin-bottom: -48px; }
  .blog-intro h1 { font-size: 25px; }
  .blog-intro .lead { font-size: 15px; }
  .muupo-feature { grid-template-columns: 220px minmax(0, 1fr); column-gap: 28px; padding: 32px; }
  .device-frame { width: 196px; }
  .soon-action { grid-template-columns: 1fr; gap: 14px; }
  .article-grid { gap: 40px 28px; }
  .article-grid--related { gap: 24px; }
}
@media (max-width: 767px) {
  .site-header { height: 80px; gap: 12px; }
  .blog-logo img { width: 112px; }
  .site-nav { gap: 20px; font-size: 12px; }
  .blog-intro-inner { display: flex; flex-direction: column; align-items: stretch; gap: 34px; min-height: 0; padding-block: 36px 0; }
  .page-label { margin-bottom: 16px; font-size: 22px; }
  .blog-intro h1 { font-size: 24px; line-height: 1.6; letter-spacing: 0; }
  .blog-intro .lead { font-size: 15px; margin-top: 20px; }
  .blog-intro-friends { width: min(78%, 300px); height: clamp(230px, 71.3vw, 320px); align-self: center; margin: 14px 0 0; }
  .intro-pile { width: 122%; left: -11%; bottom: -30px; }
  .article-list-section { padding-block: 68px 64px; }
  .article-grid, .article-grid--related { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .article-card-copy { padding: 18px 0 0; }
  .article-card-title { font-size: 21px; }
  .article-card-description { font-size: 14px; margin-top: 12px; }
  .article-card .article-meta { padding-top: 16px; gap: 4px 12px; font-size: 11px; }
  .breadcrumbs { padding-top: 16px; font-size: 11px; }
  .article-shell { padding-block: 30px 56px; }
  .article-title { font-size: 27px; line-height: 1.65; }
  .article-heading .article-meta { margin-top: 20px; font-size: 11px; }
  .article-eyecatch { margin-block: 28px; border-radius: var(--radius-card); }
  .article-body { font-size: 16px; line-height: 2; }
  .article-body .lead { font-size: 16px; }
  .notice { padding: 18px 20px; font-size: 12px; }
  .article-body h2 { margin-top: 52px; margin-bottom: 20px; font-size: 23px; }
  .article-body h3 { font-size: 20px; }
  .steps > li { padding-left: 42px; }
  .steps > li::before { width: 30px; height: 30px; font-size: 14px; }
  .steps > li + li { margin-top: 36px; }
  .shot { width: min(100%, 216px); padding: 20px; font-size: 12px; }
  .muu-tip { align-items: flex-start; gap: 12px; margin-block: 28px; }
  .muu-tip-image { width: 62px; flex-basis: 62px; margin-top: 22px; }
  .muu-tip-bubble { padding: 16px 18px; border-radius: 20px; font-size: 14px; }
  .muu-tip-bubble::before { top: 42px; }
  .steps .muu-tip { margin-left: -42px; }
  .muupo-feature { display: flex; flex-direction: column; margin-top: 64px; padding: 24px; border-radius: var(--radius-card); }
  .muupo-feature-visual { width: 100%; max-width: 320px; padding-block: 8px 24px; margin-bottom: 30px; }
  .muupo-feature-visual::before { inset: 56px 8px 0; border-radius: 150px 150px 20px 20px; }
  .device-frame { width: 180px; border-width: 4px; border-radius: 25px; }
  .muupo-feature-heading { margin-bottom: 20px; }
  .muupo-feature-heading h2 { margin: 0; font-size: 22px; }
  .muupo-feature-points li { font-size: 14px; gap: 10px; }
  .article-body .muupo-feature-points { padding-bottom: 22px; margin-bottom: 20px; }
  .muupo-feature > p { font-size: 15px; line-height: 1.85; }
  .soon-action { grid-template-columns: 1fr; gap: 16px; margin-top: 24px; padding-top: 24px; }
  .muupo-feature-social nav { gap: 0 24px; }
  .soon-action .android-note { margin-top: 0; font-size: 11px; }
  .related-articles { padding-block: 44px 56px; }
  .related-heading { margin-bottom: 28px; }
  .related-heading h2 { font-size: 25px; }
  .all-articles { font-size: 12px; gap: 8px; }
  .article-card--small .article-card-title { font-size: 20px; }
  .lp-footer { padding: 40px 0 28px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 20px; }
  .social-links { gap: 24px; font-size: 12px; }
  .social-handle { margin-top: 10px; font-size: 11px; }
  .legal-links { flex-direction: column; gap: 0; margin-top: 24px; }
  .footer-bottom { font-size: 10px; margin-top: 24px; }
}


/* 手順のスクショ（トールの iPhone、2026-10-14） */
.shot-img { width: min(100%, 260px); margin: 24px auto 0; }
.shot-img img { width: 100%; height: auto; border-radius: 24px; border: 1px solid var(--line); box-shadow: 0 10px 28px #59463014; }
@media (max-width: 767px) { .shot-img { width: min(100%, 230px); } }
.app-store-link { display: inline-flex; align-items: center; justify-self: start; min-height: 44px; }
.app-store-link img { display: block; height: 44px; width: auto; }