/* auto-sns LP 用スタイル（デザインシステム _docs/design-system.md に準拠：温かい紙色＋水色1色） */
:root {
    --canvas: #FAFAF9; --paper: #FFFFFF; --well: #F4F3F1; --line: #E8E6E5; --line-strong: #D6D3D1;
    --mute: #A8A29E; --sub: #6B6560; --ink: #0C0A09; --soot: #1C1917;
    --accent: #3BA6F1; --accent-edge: #3398E1; --accent-text: #1F6FB2; --accent-wash: #C1E1F7; --accent-soft: #EEF7FE;
    --ok: #16A34A; --danger: #E7000B;
    --sans: "Geist", "Zen Kaku Gothic New", system-ui, sans-serif;
    --mono: "Geist Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.8; letter-spacing: .02em; -webkit-font-smoothing: antialiased; }
img, video, svg, picture { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.pc { display: none; }
@media (min-width: 900px) { .wrap { padding: 0 32px; } .pc { display: inline; } .sp { display: none; } }

/* 文字 */
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .18em; color: var(--sub); text-transform: uppercase; }
.display { font-weight: 500; letter-spacing: -.03em; line-height: 1.3; word-break: auto-phrase; text-wrap: balance; }
.hl { white-space: nowrap; background: var(--accent-wash); color: var(--accent-text); border-radius: .35em; padding: 0 .16em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.lead { color: var(--sub); font-size: 16px; line-height: 1.9; }
.note, .fig-note, .micro { font-size: 13px; color: var(--sub); line-height: 1.7; }
.note a, .faq a, .foot-op a { color: var(--accent-text); }
h2.display { font-size: clamp(26px, 4.4vw, 40px); margin-top: 12px; }
h2.display + .lead { margin-top: 16px; }

/* ボタン（ピル型）。水色の地には黒文字でコントラストを確保 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 999px; font-size: 14px; font-weight: 500; text-decoration: none; border: 1px solid transparent; transition: background .2s, transform .2s; white-space: nowrap; cursor: pointer; font-family: inherit; }
.btn-lg { height: 54px; padding: 0 28px; font-size: 16px; }
.btn-primary { background: var(--accent); color: var(--ink); box-shadow: 0 1px 2px rgba(12, 10, 9, .08); }
.btn-primary:hover { background: #56B3F4; transform: translateY(-1px); }
.btn-outline { background: var(--paper); border-color: var(--line-strong); }
.btn-outline:hover { background: var(--well); }
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--well); }
.arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn:focus-visible, .tab:focus-visible, .sound:focus-visible, summary:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }

/* カード */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 1px 2px rgba(12, 10, 9, .04); }

/* ヘッダー */
.top { position: sticky; top: 0; z-index: 50; background: rgba(250, 250, 249, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-weight: 500; text-decoration: none; letter-spacing: .02em; }
.top-nav { display: none; gap: 24px; font-size: 14px; color: var(--sub); }
.top-nav a { text-decoration: none; }
.top-nav a:hover { color: var(--ink); }
.top-cta { margin-left: auto; display: flex; gap: 4px; }
.top-cta .btn-ghost { display: none; }
@media (min-width: 900px) { .top-nav { display: flex; } .top-cta .btn-ghost { display: inline-flex; } }

/* ファーストビュー */
.hero { position: relative; overflow: hidden; padding: 36px 0 48px; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 48px 48px; background-position: center top; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 50% at 85% 10%, rgba(193, 225, 247, .7), transparent 70%), linear-gradient(transparent 60%, var(--canvas)); pointer-events: none; }
.hero-in { position: relative; display: grid; gap: 36px; align-items: center; }
.hero h1 { font-size: clamp(32px, 5.2vw, 54px); margin-top: 16px; }
.hero .lead { margin-top: 20px; font-size: 16.5px; text-wrap: pretty; }
.lead, .note, .points li, .faq details p { text-wrap: pretty; }
.nw { white-space: nowrap; }
.sp-note { display: none; }
.hero-sns { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px 0 6px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); font-size: 13px; }
.chip-mute { color: var(--sub); }
.chip-tag, .tag { font-size: 11px; line-height: 1; padding: 4px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); margin-left: 4px; font-weight: 500; }
.chip-tag, .tag-mute { background: var(--well); color: var(--sub); }
.chip-tag-accent { background: var(--accent-soft); color: var(--accent-text); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero .micro { margin-top: 12px; }
.sns { display: inline-block; width: 28px; height: 28px; flex: none; }
.sns svg { width: 100%; height: 100%; }
.sns-sm { width: 20px; height: 20px; }
.hero-visual { position: relative; justify-self: center; }
.hero-pc { display: none; }
.caption-demo { font-size: 12.5px; color: var(--sub); }
.phone { position: relative; width: min(290px, 76vw); aspect-ratio: 390 / 844; border-radius: 36px; overflow: hidden; background: var(--paper); border: 8px solid var(--soot); box-shadow: 0 30px 80px rgba(17, 12, 46, .18); }
.phone video { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 899px) {
    .hero-cta .btn { width: 100%; }
}
@media (min-width: 900px) {
    .hero { padding: 56px 0 64px; }
    .hero-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; }
    .hero-visual { justify-self: stretch; height: 690px; }
    .hero-pc { display: block; position: absolute; right: -48px; top: 96px; width: 600px; height: auto; -webkit-mask-image: linear-gradient(90deg, transparent 0, transparent 22%, #000 55%); mask-image: linear-gradient(90deg, transparent 0, transparent 22%, #000 55%); border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(17, 12, 46, .12); }
    .phone-col { position: absolute; left: 2%; top: 0; width: 280px; }
    .phone { width: 280px; }
}

/* 動画の音ボタン */
.sound { position: absolute; right: 10px; bottom: 10px; display: inline-flex; align-items: center; height: 40px; padding: 0 14px; border-radius: 999px; border: 0; background: rgba(28, 25, 23, .86); color: #fff; font-size: 13px; font-family: inherit; cursor: pointer; backdrop-filter: blur(6px); }
.sound span { display: inline-flex; align-items: center; gap: 6px; }
.sound:hover { background: var(--soot); }
.sound .sound-on, .sound[aria-pressed="true"] .sound-off { display: none; }
.sound[aria-pressed="true"] .sound-on { display: inline-flex; }
.phone-bar { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.phone-bar .sound { position: static; background: var(--soot); }
.phone-bar .caption-demo { margin: 0; white-space: nowrap; }

/* 悩み */
.pain { padding: 56px 0 72px; }
.pain-grid { display: grid; gap: 24px; margin-top: 36px; align-items: center; }
.pain-list { list-style: none; padding: 0; display: grid; gap: 10px; }
.pain-list li { display: flex; gap: 14px; align-items: baseline; padding: 16px 18px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; font-size: 15.5px; }
.pain-list .num { font-family: var(--mono); font-size: 12px; color: var(--accent-text); }
@media (min-width: 900px) { .pain { padding: 80px 0 104px; } .pain-grid { grid-template-columns: 1fr 1.05fr; gap: 40px; } }

/* 機能 */
.features { padding: 8px 0 0; }
.group-head { padding-top: 32px; padding-bottom: 0; }
.group-title { margin-top: 8px; font-size: clamp(22px, 3vw, 28px); font-weight: 500; letter-spacing: -.02em; }
.group-toc { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.group-toc a { font-size: 13px; text-decoration: none; padding: 5px 12px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); color: var(--sub); }
.group-toc a::after { content: " ↓"; }
.group-toc a:hover { color: var(--accent-text); background: var(--accent-soft); border-color: var(--accent-wash); }
.group-skip { font-size: .6em; color: var(--sub); margin-left: 6px; letter-spacing: 0; white-space: nowrap; display: inline-block; }
.band { background: var(--well); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-top: 32px; margin-top: 24px; }
.band .feat { border-top-color: var(--line-strong); }
.feat { display: grid; gap: 24px; align-items: center; padding-top: 48px; padding-bottom: 56px; border-top: 1px solid var(--line); }
.group-head + .feat { border-top: 0; }
.feat-copy h2.display { font-size: clamp(26px, 4vw, 36px); }
.feat-copy .lead { margin-top: 16px; }
.points { list-style: none; padding: 0; margin-top: 20px; display: grid; gap: 10px; }
.points li { position: relative; padding-left: 28px; font-size: 15px; line-height: 1.75; }
.points li::before { content: ""; position: absolute; left: 0; top: .42em; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F6FB2' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 11px no-repeat; }
.feat-media { display: grid; gap: 12px; min-width: 0; }
.video-frame { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: var(--well); box-shadow: 0 12px 45px rgba(17, 12, 46, .1); aspect-ratio: 16 / 10; }
.video-frame video { width: 100%; height: 100%; object-fit: cover; }
.anim-card { padding: 14px; }
.feat-copy .mini-anim { margin-top: 24px; padding: 10px 14px; }
.fig-note { padding: 8px 4px 0; }
@media (min-width: 900px) {
    .feat { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 56px; padding-top: 72px; padding-bottom: 80px; }
    .feat-rev .feat-copy { order: 2; }
}

/* 開発者向け（06） */
.dev { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dev .feat { border-top: 0; }

/* 料金 */
.pricing { padding: 72px 0; }
.price-grid { display: grid; gap: 14px; margin-top: 36px; }
.price { padding: 26px; display: flex; flex-direction: column; }
.price-main { border: 2px solid var(--accent); }
.price-name { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.price-num { margin-top: 8px; font-size: 15px; color: var(--sub); }
.price-num .num { font-family: var(--mono); font-size: 36px; color: var(--ink); letter-spacing: -.02em; }
.price .points { margin-top: 14px; flex: 1; align-content: start; }
.price-note { margin-top: 14px; font-size: 13px; color: var(--sub); line-height: 1.7; }
.price .btn { margin-top: 20px; align-self: flex-start; }
@media (min-width: 900px) { .pricing { padding: 104px 0; } .price-grid { grid-template-columns: 1fr 1fr; max-width: 860px; margin-left: auto; margin-right: auto; } }

/* 対応表 */
.support { padding: 72px 0; background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.support .lead { max-width: 640px; }
.table-wrap { display: none; margin-top: 36px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.support-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.support-table th, .support-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: center; vertical-align: middle; }
.support-table thead th { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .1em; color: var(--sub); background: var(--canvas); }
.support-table tbody th { text-align: left; font-weight: 500; white-space: nowrap; }
.support-table tbody th .sns { display: inline-block; vertical-align: -4px; margin-right: 10px; }
.support-table tbody tr:last-child > * { border-bottom: 0; }
.support-table small { display: block; font-size: 12px; color: var(--sub); line-height: 1.4; }
.support-table th small { display: inline; margin-left: 6px; }
.support-table .no { color: var(--sub); }
.support-cards { list-style: none; padding: 0; margin-top: 28px; display: grid; gap: 10px; }
.support-cards li { padding: 16px; }
.sc-name { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.sc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.sc-tags span { font-size: 12.5px; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); }
.sc-note { margin-top: 8px; font-size: 13px; color: var(--sub); }
.support .note { margin-top: 18px; max-width: 640px; }
.price-foot { margin-top: 18px; max-width: 640px; }
@media (min-width: 900px) { .support { padding: 104px 0; } .table-wrap { display: block; } .support-cards { display: none; } }

/* 画面ギャラリー */
.gallery { padding: 72px 0; }
.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; margin: 28px auto 0; padding: 4px; max-width: 100%; background: var(--well); border-radius: 22px; width: max-content; }
.tab { flex: none; height: 38px; padding: 0 16px; border: 0; border-radius: 999px; background: transparent; font: inherit; font-size: 13.5px; color: var(--sub); cursor: pointer; }
.tab.is-active { background: var(--paper); color: var(--ink); box-shadow: 0 1px 3px rgba(12, 10, 9, .08); }
.shot { position: relative; margin: 20px auto 0; aspect-ratio: 390 / 844; max-width: 300px; border-radius: 28px; overflow: hidden; border: 6px solid var(--soot); box-shadow: 0 12px 45px rgba(17, 12, 46, .1); background: var(--paper); }
.shot picture { position: absolute; inset: 0; opacity: 0; transition: opacity .35s; }
.shot picture.is-active { opacity: 1; }
.shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.gallery .note { margin-top: 16px; }
@media (max-width: 899px) { .tabs { width: auto; } }
@media (min-width: 900px) {
    .gallery { padding: 104px 0; }
    .shot { aspect-ratio: 16 / 10; max-width: none; border-radius: 16px; border: 1px solid var(--line); }
}

/* はじめ方 */
.steps { padding: 72px 0; background: var(--well); }
.step-list { list-style: none; padding: 0; margin-top: 36px; display: grid; gap: 12px; }
.step-list li { padding: 24px; }
.step-num { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--soot); color: #fff; font-family: var(--mono); }
.step-list h3 { margin-top: 14px; font-size: 18px; font-weight: 500; }
.step-list p { margin-top: 6px; color: var(--sub); font-size: 14.5px; }
@media (min-width: 900px) { .steps { padding: 104px 0; } .step-list { grid-template-columns: repeat(3, 1fr); } }

/* FAQ */
.faq { padding: 72px 0; }
.faq h2 { margin-bottom: 28px; }
.faq details { margin-top: 10px; padding: 0 20px; }
.faq summary { list-style: none; position: relative; padding: 18px 28px 18px 0; font-weight: 500; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: 20px; color: var(--sub); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 20px; color: var(--sub); font-size: 15px; }

/* 最後のCTA */
.final { padding: 8px 0 72px; }
.final-in { background: var(--soot); color: var(--canvas); border-radius: 24px; padding: 52px 22px; text-align: center; background-image: radial-gradient(50% 70% at 50% 0%, rgba(59, 166, 241, .28), transparent 70%); }
.final-in h2.display { font-size: clamp(28px, 4.6vw, 44px); }
.final-in .lead { color: #D6D3D1; margin-top: 14px; }
.final-in .btn { margin-top: 26px; }
.final-in .note { margin-top: 16px; }
.final-in .note a { color: #D6D3D1; }
.on-dark { color: #A8A29E; }
@media (max-width: 899px) { .final-in .btn { width: 100%; } }

/* フッター */
.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: flex-start; justify-content: space-between; }
.foot-op { margin-top: 8px; font-size: 13px; color: var(--sub); }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13px; color: var(--sub); }
.foot nav a { text-decoration: none; }
.foot nav a:hover { color: var(--ink); }

/* 出現アニメ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ===== SVGアニメ共通（viewBox 400幅。スマホでも文字が12px前後になる大きさ） ===== */
.anim { width: 100%; height: auto; font-family: var(--sans); overflow: visible; }
.svg-label { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; fill: var(--sub); }
.svg-t12 { font-size: 12.5px; fill: var(--ink); }
.svg-t13 { font-size: 13.5px; fill: var(--ink); }
.svg-t14 { font-size: 14.5px; fill: var(--ink); }
.svg-t16 { font-size: 16px; fill: var(--ink); }
.svg-num { font-family: var(--mono); font-size: 13.5px; fill: var(--sub); }
.svg-num-strong { fill: var(--ink); font-weight: 500; }
.svg-sub { fill: var(--sub); }
.svg-accent { fill: var(--accent-text); }
.svg-accent-fill { fill: var(--accent); }
.svg-accent-wash { fill: var(--accent-soft); stroke: var(--accent-wash); }
.svg-well { fill: var(--well); }
.svg-paper { fill: var(--paper); stroke: var(--line); }
.svg-paper-stroke { fill: var(--paper); stroke: var(--line-strong); stroke-width: 1.5; }
.svg-ink { fill: var(--soot); }
.svg-on-ink { fill: #fff; font-size: 16px; font-weight: 500; }
.svg-on-ink-s { fill: #fff; font-size: 13.5px; }
.svg-on-ink-mono { fill: #fff; font-family: var(--mono); font-size: 13.5px; }
.svg-on-ink-sub { fill: #D6D3D1; font-size: 12px; }
.svg-divider { stroke: var(--line-strong); stroke-dasharray: 4 5; }
.svg-route { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.dot-ok { fill: var(--ok); }
.dot-ng { fill: var(--danger); }
.dot-accent { fill: var(--accent); }
.svg-link { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 200; stroke-dashoffset: 200; }
.svg-node { opacity: 0; transform-box: fill-box; transform-origin: center; }
.svg-dot { fill: var(--accent); opacity: 0; }
.is-in .svg-link { animation: draw .7s ease forwards var(--d, 0s); }
.is-in .svg-node { animation: pop .5s cubic-bezier(.34, 1.56, .64, 1) forwards var(--d, 0s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(.4); } to { opacity: 1; transform: scale(1); } }
@keyframes fade { to { opacity: 1; } }
@keyframes out { to { opacity: 0; } }

/* 悩み：4回の手作業バー（ループ） */
.anim-pain .svg-bar { fill: var(--line-strong); transform-box: fill-box; transform-origin: left; transform: scaleX(0); }
.is-in .anim-pain .svg-bar { animation: bar 3.6s ease-in-out infinite var(--d); }
@keyframes bar { 0% { transform: scaleX(0); fill: var(--line-strong); } 18% { transform: scaleX(1); fill: var(--line-strong); } 20%, 100% { transform: scaleX(1); fill: var(--mute); } }

/* 文字数メーター */
.svg-meter { fill: var(--accent); transform-box: fill-box; transform-origin: left; transform: scaleX(0); transition: transform .12s linear; }
.svg-caret { fill: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* 予約：時計 → 紙飛行機 → 投稿済み */
.svg-tick { stroke: var(--line-strong); stroke-width: 2; }
.svg-hand-h, .svg-hand-m { stroke: var(--soot); stroke-width: 3.5; stroke-linecap: round; transform-origin: 55px 55px; }
.svg-hand-m { stroke-width: 2.2; stroke: var(--accent-edge); }
.is-in .svg-hand-h { animation: handH 2.4s ease-in-out forwards; }
.is-in .svg-hand-m { animation: handM 2.4s ease-in-out forwards; }
@keyframes handH { to { transform: rotate(270deg); } }
@keyframes handM { to { transform: rotate(3240deg); } }
.svg-plane { opacity: 0; }
.is-in .svg-plane { animation: fly 1s ease-in forwards 2.3s; }
@keyframes fly { 0% { opacity: 1; transform: translate(230px, 47px); } 100% { opacity: 0; transform: translate(300px, 20px) rotate(-18deg); } }
.st-done-text { opacity: 0; }
.st-wait-text { fill: var(--sub); }
.is-in .st-wait-text { animation: out .3s forwards 2.9s; }
.is-in .st-done-text { animation: fade .3s forwards 2.9s; }

/* 結果：JSで状態クラスを切り替える（ループ） */
.res text, .r-reason, .r-retry, .r-done { opacity: 0; }
.r-retry, .r-reason, .r-done { transition: opacity .3s; }
.anim-result.show-done .r-done { opacity: 1; }
.r-done { fill: var(--ink); }
.res[data-s="wait"] .r-wait, .res[data-s="ok"] .r-ok, .res[data-s="ng"] .r-ng, .res[data-s="re"] .r-re { opacity: 1; }
.anim-result.show-reason .r-reason, .anim-result.show-retry .r-retry { opacity: 1; }
.r-reason { fill: var(--danger); }
.anim-result.press .r-retry rect { fill: var(--accent-text); }

/* コメント */
.bubble { opacity: 0; transition: opacity .4s; }
.bubble.on { opacity: 1; }
.svg-field { fill: var(--paper); stroke: var(--line-strong); stroke-dasharray: 4 4; }
.svg-placeholder { fill: var(--mute); }
.anim-comment .reply-field { transition: opacity .4s; }
.anim-comment.replied .reply-field { opacity: 0; }

/* 動きを減らす設定の人には、伝えたい最後の状態をそのまま見せる */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .anim *, .anim { animation: none !important; transition: none !important; }
    .svg-link { stroke-dashoffset: 0; }
    .svg-node, .bubble, .st-done-text { opacity: 1; }
    .st-wait-text, .svg-plane { opacity: 0; }
    .anim-pain .svg-bar { transform: scaleX(1); fill: var(--mute); }
    .svg-hand-h { transform: rotate(270deg); }
}

/* スマホ調整：音ボタンはアイコンだけ・ヒーローを詰める・補助SVGは隠す */
@media (max-width: 899px) {
    .chip { height: 34px; width: 34px; padding: 0; justify-content: center; }
    .chip-label, .chip .chip-tag { display: none; }
    .hero-sns { gap: 6px; margin-top: 18px; flex-wrap: nowrap; }
    .sp-note { display: block; margin-top: 8px; font-size: 12.5px; color: var(--sub); }
    .hero .btn-demo { width: auto; height: auto; padding: 4px 0; border: 0; background: none; text-decoration: underline; font-size: 14px; color: var(--sub); }
    .hero-cta { margin-top: 22px; justify-content: center; }
    .hero .lead { margin-top: 16px; font-size: 15.5px; }
    .hero h1 { margin-top: 12px; }
    .hero-visual { margin-top: -8px; }
    .phone-col { display: flex; flex-direction: column; align-items: center; }
    .feat-copy .mini-anim { display: none; }
}

/* 動画の音ボタンは、字幕や画面の文字にかからないよう右下の小さなアイコンにする */
.video-frame .sound { width: 40px; padding: 0; justify-content: center; }
.video-frame .sound .sound-off, .video-frame .sound .sound-on { font-size: 0; gap: 0; }

/* 動画の操作ボタン（最初から再生・音）を右下に並べる */
.vctrl { position: absolute; right: 10px; bottom: 10px; display: flex; gap: 6px; }
.vctrl .sound { position: static; }
.restart { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 14px; border-radius: 999px; border: 0; background: rgba(28, 25, 23, .86); color: #fff; font-size: 13px; font-family: inherit; cursor: pointer; backdrop-filter: blur(6px); }
.restart:hover { background: var(--soot); }
.restart:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }
.phone-bar .restart { background: var(--soot); }
/* 動画内のボタンは少し小さくして、左下の字幕（動画幅の64%まで）にかからないようにする */
.vctrl .restart, .vctrl .sound { height: 34px; font-size: 12.5px; }
.vctrl .sound { width: 34px; }
.vctrl .restart { padding: 0 12px; gap: 5px; }
@media (max-width: 1199px) {
    .video-frame .restart { width: 34px; padding: 0; justify-content: center; }
    .video-frame .restart-label { display: none; }
}

.price-promise { padding: 12px 14px; border-radius: 12px; background: var(--accent-soft); color: var(--ink); }
.price-promise small { display: block; margin-top: 4px; color: var(--sub); font-size: 12px; }

/* 公開準備中のお知らせ（画面下に数秒だけ出す） */
.prelaunch-toast { position: fixed; left: 16px; right: 16px; bottom: 24px; z-index: 100; margin: 0 auto; width: fit-content; transform: translateY(12px); padding: 14px 20px; border-radius: 14px; background: var(--soot); color: #fff; font-size: 14.5px; line-height: 1.6; box-shadow: 0 12px 45px rgba(17, 12, 46, .2); opacity: 0; transition: opacity .25s, transform .25s; }
.prelaunch-toast.is-show { opacity: 1; transform: none; }