/* 犬舎マネージャー 公式サイト v3.1 — 白に、アプリの色
   地はアプリの「白」テーマと同じ明るい灰白。節ごとにアプリの色をひとつ（藍・藤・黄土・苔・茜）持ち、節の名・罫・印・
   淡い地に使う（--c・--c-soft）。ボタンは藍。詳しくは DESIGN-NOTES.md「官网 v3.1」。 */

:root {
  --ai: #17191E;        /* 墨：ボタン・リンク・選択中（2026-09-25 藍→黒。アプリのボタンと同じ黒） */
  --ai-ink: #3A3D45;    /* 黒のボタンにマウスを乗せたとき（少し明るく） */
  --ai-soft: #ECECE9;   /* 黒に合わせた淡い灰 */
  --kami: #F7F7F5;      /* 地（アプリの白テーマと同じ） */
  --white: #FFFFFF;
  --ji: #EEF1F4;        /* 交互の節 */
  --sumi: #1D222C;      /* 文字 */
  --usu: #5E6470;       /* 補足の文字（紙の上で 5.9:1） */
  --kei: #DDE2E8;       /* 罫 */
  --kei-2: #C4CCD6;
  --akane: #A8514A; --fuji: #5E4FA0; --odo: #9A7412; --koke: #2F6B40;
  --koke-bg: #E4EFE7;

  --f-head: 'Shippori Mincho B1', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --f-body: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --gutter: 40px;
  --name-col: 184px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px }
body {
  margin: 0; color: var(--sumi); background: var(--kami);
  font: 400 17px/1.9 var(--f-body); letter-spacing: .02em;
  -webkit-font-smoothing: antialiased; overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto }
a { color: inherit }
p { margin: 0 }
h1, h2, h3, h4 { margin: 0; font-weight: 700 }
ul, ol { margin: 0; padding: 0; list-style: none }
button { font: inherit; color: inherit }
.mono { font-family: var(--f-mono); letter-spacing: 0 }
.muted { color: var(--usu) }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap }
.ph { display: inline-block }

:focus-visible { outline: 3px solid var(--ai); outline-offset: 3px; border-radius: 4px }

.skip { position: absolute; left: 16px; top: -60px; z-index: 50; background: var(--ai); color: #fff; padding: 10px 16px; border-radius: 8px; text-decoration: none }
.skip:focus { top: 12px }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter) }

/* ── ボタン：8px 角の長方形 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 54px; padding: 0 26px; border-radius: 8px; border: 1.5px solid var(--ai);
  font: 700 17px/1 var(--f-body); letter-spacing: .06em; text-decoration: none; cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .12s var(--ease);
}
.btn:active { transform: translateY(1px) }
.btn-ink { background: var(--ai); color: #fff }
.btn-ink:hover { background: var(--ai-ink); border-color: var(--ai-ink) }
.btn-line { background: transparent; color: var(--ai) }
.btn-line:hover { background: var(--ai); color: #fff }
.btn-sm { min-height: 42px; padding: 0 16px; font-size: 15px }
.btn-lg { min-height: 62px; padding: 0 40px; font-size: 19px }

/* ── ヘッダー ── */
.top { position: sticky; top: 0; z-index: 20; background: rgba(251, 251, 250, .9); backdrop-filter: saturate(1.3) blur(10px); -webkit-backdrop-filter: saturate(1.3) blur(10px); border-bottom: 1px solid var(--kei) }
.top-in { max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter); height: 68px; display: flex; align-items: center; gap: 28px }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; color: var(--sumi) }
.brand-mark { width: 34px; height: 34px; display: block; flex: none }
.brand-name { font: 800 18px/1.2 var(--f-head); letter-spacing: .04em }
.beta { font-size: 12px; line-height: 1; padding: 5px 7px; border: 1px solid var(--kei-2); border-radius: 5px; color: var(--usu) }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: 15px }
.nav a { text-decoration: none; color: var(--usu); padding: 6px 0; border-bottom: 1.5px solid transparent; transition: color .2s, border-color .2s }
.nav a:hover { color: var(--ai); border-color: var(--ai) }

/* ── 首屏：見出しと、そのまま触れるアプリの窓 ── */
.opening { position: relative; padding: 64px 0 80px }
.op-head { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 56px; align-items: end }
.opening h1 { font: 800 clamp(40px, 5vw, 76px)/1.2 var(--f-head); letter-spacing: .03em }
.lede { font-size: 19px; line-height: 2; max-width: 30em; color: #2c313b }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px }
.facts { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 24px; font-size: 14px; color: var(--usu) }
.facts li { position: relative; padding-left: 20px; line-height: 1.6 }
.facts li::before { content: ''; position: absolute; left: 2px; top: .45em; width: 9px; height: 5px; border-left: 2px solid var(--koke); border-bottom: 2px solid var(--koke); transform: rotate(-45deg) }
.op-app { position: relative; margin-top: 44px }
.op-window { border: 1px solid rgba(29, 34, 44, .18); border-radius: 16px; overflow: hidden; background: #fff; box-shadow: 0 50px 90px -50px rgba(14, 26, 42, .6), 0 16px 32px -24px rgba(14, 26, 42, .35) }
.op-frame { display: block; width: 100%; height: min(820px, calc(100vh - 150px)); min-height: 560px; border: 0; background: #fff }

/* ── 節：左に節の名、右に一文と本文 ── */
.sec { --c: var(--ai); --c-soft: #EEEEEB; padding: 120px 0 128px; border-top: 1px solid var(--kei) }
.sec-tint { background: var(--c-soft); border-top-color: transparent }
.sec-head { display: grid; grid-template-columns: var(--name-col) minmax(0, 1fr); column-gap: 48px; align-items: start }
.sec-name { grid-row: 1 / span 3; display: flex; align-items: center; gap: 10px; margin-top: .9em; font: 800 19px/1.3 var(--f-head); letter-spacing: .12em; color: var(--c) }
.sec-name::before { content: ''; flex: none; width: 14px; height: 14px; border: 2.5px solid currentColor; border-radius: 50% }
.sec-head > :not(.sec-name) { grid-column: 2 }
.sec-body { padding-left: calc(var(--name-col) + 48px); min-width: 0 }
.statement { font: 800 clamp(30px, 3.6vw, 52px)/1.35 var(--f-head); letter-spacing: .03em; max-width: 22em }
.body-l { margin-top: 22px; font-size: 18px; max-width: 36em }
.note { margin-top: 22px; font-size: 14.5px; color: var(--usu); padding-left: 14px; border-left: 3px solid var(--kei-2); max-width: 44em }

/* ── 画面：見出しのタブ ── */
.binder { display: grid; grid-template-columns: 224px minmax(0, 1fr); gap: 32px; margin-top: 52px; align-items: start }
.index { display: flex; flex-direction: column; border-top: 1px solid var(--kei-2) }
.index button { text-align: left; background: none; border: 0; border-bottom: 1px solid var(--kei-2); padding: 11px 14px 11px 18px; cursor: pointer; position: relative; display: grid; gap: 2px; transition: background-color .2s }
.index button::before { content: ''; position: absolute; left: 0; top: 10px; bottom: 10px; width: 3px; border-radius: 2px; background: var(--c); transform: scaleY(0); transition: transform .25s var(--ease) }
.index button b { font: 800 19px/1.4 var(--f-head); letter-spacing: .04em }
.index button span { font-size: 13px; line-height: 1.6; color: var(--usu); display: none }
.index button[aria-selected='true'] span { display: block }
.index button:hover { background: rgba(255, 255, 255, .5) }
.index button[aria-selected='true'] { background: #fff }
.index button[aria-selected='true'] b { color: var(--c) }
.index button[aria-selected='true']::before { transform: scaleY(1) }
.sheet-cap { font-size: 16px; margin-bottom: 16px; min-height: 3.8em }
.sheet picture { display: block; border: 1px solid var(--kei-2); border-radius: 12px; overflow: hidden; background: #fff; box-shadow: 0 28px 60px -34px rgba(29, 34, 44, .35) }
.sheet.enter picture, .sheet.enter .sheet-cap { animation: turnIn .35s var(--ease) }
.devices { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--kei-2); font-size: 16px; max-width: 52em }

/* ── 法令：帳簿の表 ── */
.ledger { width: 100%; max-width: 900px; margin-top: 44px; border-collapse: collapse; font-size: 16px }
.ledger thead th { text-align: left; font-size: 13px; font-weight: 400; color: var(--usu); padding: 0 16px 10px 0; border-bottom: 2px solid var(--c) }
.ledger tbody th { text-align: left; font: 800 18px/1.5 var(--f-head); letter-spacing: .03em; padding: 16px 24px 16px 0; width: 34%; vertical-align: top; border-bottom: 1px solid var(--kei) }
.ledger td { padding: 16px 0; border-bottom: 1px solid var(--kei); vertical-align: top }

/* ── 移行 ── */
.photo-in { overflow: hidden }
.move-photo { margin: 40px 0 0; max-width: 880px; border-radius: 14px; aspect-ratio: 16 / 8.2 }
.move-photo img, .ouchi-photo img { width: 100%; height: 100%; object-fit: cover; will-change: transform }
.migrate { display: grid; grid-template-columns: minmax(0, 1.12fr) 40px minmax(0, 1fr); gap: 20px; align-items: center; margin-top: 48px }
.migrate figure { margin: 0; min-width: 0 }
.migrate figcaption { font-size: 14px; color: var(--usu); margin-bottom: 10px }
.scroll-hint { display: none }
.migrate-arrow { width: 40px; height: 24px; fill: none; stroke: var(--c); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round }
.xl-scroll { overflow-x: auto; border: 1px solid var(--kei-2); border-radius: 10px; background: var(--white) }
.xl-grid { border-collapse: collapse; font: 400 13px/1.4 var(--f-body); white-space: nowrap; width: 100% }
.xl-grid th { background: #EEF0F2; color: var(--usu); font: 400 11px/1 var(--f-mono); padding: 6px; border: 1px solid #D8DDE3; text-align: center }
.xl-grid td { padding: 7px 8px; border: 1px solid #E3E7EB; height: 32px }
.xl-title { font-weight: 700 }
.xl-head td { background: #F6F8FA; font-weight: 700 }
.preview { background: #fff; border: 1px solid var(--kei-2); border-radius: 10px; padding: 16px 18px 18px }
.preview figcaption { margin-bottom: 10px }
.pv { width: 100%; border-collapse: collapse; font-size: 14px }
.pv th { text-align: left; font-size: 12px; font-weight: 400; color: var(--usu); padding: 0 8px 6px 0; border-bottom: 2px solid var(--c) }
.pv td { padding: 8px 8px 8px 0; border-bottom: 1px solid var(--kei) }
.pv td:first-child { font-weight: 700 }
.pv .mono { font-size: 13px }
.pv-sub { font-size: 13px; color: var(--usu); margin-top: 8px }
.fixes { margin-top: 12px; font-size: 13.5px; line-height: 1.7; display: grid; gap: 4px }
.fixes li, .ticks li { position: relative; padding-left: 22px }
.fixes li::before, .ticks li::before { content: ''; position: absolute; left: 2px; top: .55em; width: 10px; height: 5px; border-left: 2px solid var(--koke); border-bottom: 2px solid var(--koke); transform: rotate(-45deg) }

/* ── 里親募集 ── */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 56px; align-items: start; margin-top: 8px }
.split a { text-underline-offset: 4px; color: var(--c) }
.ticks { margin-top: 26px; display: grid; gap: 14px; font-size: 16px }
.ticks li::before { top: .7em }
.shot { display: block; margin-top: 24px; border: 1px solid var(--kei-2); border-radius: 12px; overflow: hidden; box-shadow: 0 28px 60px -34px rgba(29, 34, 44, .35) }
.ouchi-stack { position: relative; padding-bottom: 72px }
.ouchi-photo { margin: 24px 0 0; border-radius: 14px; aspect-ratio: 4 / 3 }
.ouchi-photo img { object-position: 55% 60% }
.shot.ouchi-shot { position: absolute; right: -28px; bottom: 0; width: 58%; margin: 0; background: #fff }

/* ── データの安全：淡い藍の地 ── */
.vault { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: 640px; margin-top: 48px }
.vault-box { position: relative; min-height: 176px; border: 1px solid var(--kei-2); border-radius: 10px; padding: 16px; display: flex; flex-direction: column; justify-content: flex-start; gap: 8px; font-size: 13px; color: var(--usu); overflow: hidden; background: rgba(255, 255, 255, .55) }
.vault-box.is-you { border-color: var(--c); color: var(--sumi); background: var(--white) }
.vault-box.is-you .vl { color: var(--sumi) }
.key { width: 34px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round }
.vault-box .key { margin-top: auto; transition: transform .6s cubic-bezier(.3, 1.4, .5, 1), color .4s }
.vault-box.is-you .key, .vault-box.is-you .vault-name { color: var(--c) }
.vault-name { font-size: 13px }
.vault-cap { grid-column: 1 / -1; font-size: 13.5px; line-height: 1.8; color: var(--usu); margin-top: 2px }
#safety.is-locked .vault-box:not(.is-you) { border-style: dashed }
#safety.is-open .vault-box.is-you { box-shadow: 0 0 0 1px var(--c), 0 18px 40px -24px rgba(23, 25, 30, .45) }
#safety.is-open .vault-box.is-you .key { transform: rotate(-90deg) translateX(-2px) }
.safe-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 56px 0 0; border-top: 2px solid var(--c) }
.safe-list > div { padding: 26px 28px 30px 0; border-bottom: 1px solid var(--kei-2) }
.safe-list > div:not(:nth-child(3n + 1)) { padding-left: 28px; border-left: 1px solid var(--kei-2) }
.safe-list dt { font: 800 20px/1.45 var(--f-head); letter-spacing: .03em; color: var(--c) }
.safe-list dd { margin: 10px 0 0; font-size: 15.5px; line-height: 1.85; color: #2c313b }
.e2e { margin-top: 88px; padding-top: 56px; border-top: 1px solid var(--kei-2) }
.e2e-h { font: 800 30px/1.4 var(--f-head); letter-spacing: .04em }
.e2e .body-l { margin-top: 16px; max-width: 46em }
.e2e-compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 40px }
.e2e-col { border: 1px solid var(--kei-2); border-radius: 12px; padding: 28px 28px 30px; display: flex; flex-direction: column; background: rgba(255, 255, 255, .6) }
.e2e-col.is-strict { border-color: var(--c); background: var(--white) }
.e2e-col h4 { margin: 0; font: 800 22px/1.4 var(--f-head); letter-spacing: .04em; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap }
.e2e-col h4 span { font: 400 13.5px var(--f-body); color: var(--usu); letter-spacing: .02em }
.e2e-col dl { margin: 18px 0 0 }
.e2e-col dl > div { padding: 14px 0; border-top: 1px solid var(--kei) }
.e2e-col dt { font-size: 13px; color: var(--usu); letter-spacing: .04em }
.e2e-col dd { margin: 4px 0 0; font-size: 15px; line-height: 1.8; color: #2c313b }
.e2e-col dl + .btn { margin-top: 22px; align-self: flex-start }
.e2e-note { margin-top: 24px; font-size: 14px; line-height: 1.85; color: var(--usu); max-width: 52em }

/* ── 料金 ── */
.bill { display: inline-flex; margin-top: 40px; border: 1.5px solid var(--ai); border-radius: 8px; padding: 3px; gap: 3px }
.bill button { border: 0; background: none; padding: 10px 18px; border-radius: 5px; font-size: 15px; cursor: pointer; min-height: 44px; color: var(--ai) }
.bill button[aria-checked='true'] { background: var(--ai); color: #fff }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 28px; border: 1px solid var(--kei-2); border-radius: 12px; overflow: hidden; background: #fff }
.plan { padding: 28px 24px; display: flex; flex-direction: column; position: relative }
.plan + .plan { border-left: 1px solid var(--kei-2) }
.plan h3 { font: 800 24px/1.3 var(--f-head); letter-spacing: .04em }
.plan-for { font-size: 13.5px; color: var(--usu); margin-top: 4px; min-height: 3.2em; line-height: 1.6 }
.price { margin-top: 14px; display: flex; align-items: baseline; gap: 2px; font-family: var(--f-mono); letter-spacing: -.01em; line-height: 1.1; color: var(--c) }
.price .yen { font-size: 20px }
.price .num { font-size: 38px; font-weight: 500 }
.price .per { font: 400 14px var(--f-body); color: var(--usu); margin-left: 4px }
.price-ask { font: 800 32px/1.1 var(--f-head); letter-spacing: .04em; min-height: 42px }
.price-sub { font-size: 12.5px; color: var(--usu); margin-top: 6px; min-height: 1.6em }
.plan ul { margin: 20px 0 24px; border-top: 1px solid var(--kei); flex: 1 }
.plan li { padding: 9px 0; border-bottom: 1px solid var(--kei); font-size: 14.5px; line-height: 1.6 }
.plan li b { font-family: var(--f-mono); font-weight: 500 }
.plan li a { color: var(--ai); text-underline-offset: 3px }
.plan .btn { width: 100%; font-size: 16px; min-height: 50px; padding: 0 12px }
.price-notes { margin-top: 24px; display: grid; gap: 12px; font-size: 15px; color: var(--usu); max-width: 56em }
.price-notes b { color: var(--sumi) }

/* ── よくある質問 ── */
.faq { max-width: 860px; margin-top: 44px; border-top: 2px solid var(--c) }
.faq details { border-bottom: 1px solid var(--kei-2) }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 4px 22px 0; font: 700 18px/1.6 var(--f-body) }
.faq summary::-webkit-details-marker { display: none }
.faq summary::after { content: ''; flex-shrink: 0; width: 14px; height: 14px; background: linear-gradient(var(--c), var(--c)) center / 14px 2px no-repeat, linear-gradient(var(--c), var(--c)) center / 2px 14px no-repeat; transition: transform .25s var(--ease) }
.faq details[open] summary::after { transform: rotate(45deg) }
.faq details p { padding: 0 40px 24px 0; font-size: 16px; color: #2c313b; max-width: 44em }

/* ── 最後の一押しとフォーム ── */
.close { padding: 120px 0; border-top: 1px solid var(--kei) }
.close-in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 48px; align-items: end }
.close h2 { font: 800 clamp(32px, 4.2vw, 58px)/1.35 var(--f-head); letter-spacing: .03em; grid-column: 1 }
.close p { grid-column: 1; font-size: 17px; color: var(--usu) }
.close .btn { grid-column: 2; grid-row: 1 / span 2; align-self: center }
.waitlist { margin-top: 48px; padding: 36px 40px 32px; background: #fff; border: 1px solid var(--kei); border-top: 4px solid var(--ai); border-radius: 14px }
.wl-topic { border: 0; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 8px }
.wl-topic legend { font-size: 13px; color: var(--usu); margin-bottom: 10px; padding: 0 }
.wl-topic label { position: relative }
.wl-topic input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer }
.wl-topic span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1.5px solid var(--kei-2); border-radius: 8px; font-size: 14.5px; background: #fff; transition: border-color .2s, background .2s, color .2s }
.wl-topic input:checked + span { border-color: var(--ai); background: var(--ai); color: #fff }
.wl-topic input:focus-visible + span { outline: 3px solid var(--ai); outline-offset: 2px }
.wl-lead { font-size: 16px; line-height: 1.9; max-width: 44em }
.wl-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, .8fr); gap: 16px; margin-top: 20px }
.wl-f { display: flex; flex-direction: column; gap: 6px; font-size: 14px }
.wl-f em { font-style: normal; font-size: 11.5px; color: var(--usu); margin-left: 8px; font-weight: 400 }
.wl-f input, .wl-f select, .wl-f textarea { font: inherit; font-size: 16px; min-height: 50px; padding: 0 14px; border: 1.5px solid var(--kei-2); border-radius: 8px; background: #fff; color: var(--sumi); width: 100%; -webkit-appearance: none; appearance: none }
.wl-f select { background-image: linear-gradient(45deg, transparent 50%, var(--usu) 50%), linear-gradient(-45deg, transparent 50%, var(--usu) 50%); background-position: calc(100% - 20px) 22px, calc(100% - 15px) 22px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px }
.wl-f textarea { padding: 12px 14px; min-height: 130px; resize: vertical; line-height: 1.7 }
.wl-f input:focus, .wl-f select:focus, .wl-f textarea:focus { outline: none; border-color: var(--ai); box-shadow: 0 0 0 3px rgba(23, 25, 30, .12) }
.wl-wide { grid-column: 1 / -1 }
.wl-f[hidden], .wl-lead[hidden] { display: none }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden }
.wl-note { margin-top: 16px; font-size: 13px; color: var(--usu); line-height: 1.8; max-width: 52em }
.wl-row { display: flex; align-items: center; gap: 18px; margin-top: 22px; flex-wrap: wrap }
.wl-msg { margin-top: 14px; font-size: 15px; min-height: 1.6em }
.wl-msg.ok { color: var(--koke); font-weight: 700 }
.wl-msg.err { color: var(--akane) }

/* ── フッター ── */
.foot { border-top: 1px solid var(--kei); background: var(--white); padding: 44px 0 52px; font-size: 14px }
.foot-in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 40px; align-items: start }
.foot-brand { display: flex; gap: 12px; align-items: center }
.foot-brand .brand-name { font-size: 16px }
.foot .muted { color: var(--usu); font-size: 13px; line-height: 1.6 }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: flex-end }
.foot-links a { text-decoration: none; color: var(--usu) }
.foot-links a[href] { color: var(--ai); text-decoration: underline; text-underline-offset: 4px }
.copy { grid-column: 1 / -1; font-size: 12.5px }

/* ── 手機のメニュー ── */
.menu-btn { display: none; width: 44px; height: 44px; margin-right: -8px; border: 0; background: transparent; position: relative; cursor: pointer }
.menu-btn span { position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--sumi); transition: transform .3s cubic-bezier(.2, .8, .2, 1) }
.menu-btn span:first-child { top: 17px } .menu-btn span:last-child { top: 26px }
.menu-open .menu-btn span:first-child { transform: translateY(4.5px) rotate(45deg) }
.menu-open .menu-btn span:last-child { transform: translateY(-4.5px) rotate(-45deg) }
.menu { position: fixed; inset: 58px 0 auto; z-index: 19; background: var(--kami); border-bottom: 1px solid var(--kei); padding: 8px var(--gutter) calc(20px + env(safe-area-inset-bottom)); box-shadow: 0 24px 40px -24px rgba(29, 34, 44, .25); animation: menuIn .28s cubic-bezier(.2, .8, .2, 1) }
@keyframes menuIn { from { opacity: 0; transform: translateY(-8px) } }
.menu nav { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--ai) }
.menu nav a { min-height: 52px; display: flex; align-items: center; font-size: 16px; color: var(--sumi); text-decoration: none; border-bottom: 1px solid var(--kei) }
.menu nav a:nth-child(odd) { padding-right: 12px } .menu nav a:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--kei) }
.menu .btn { width: 100%; margin-top: 18px }
.cta-free { font-weight: 400; font-size: .85em }

/* ── 404 ── */
.nf { min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; text-align: center; padding: 40px var(--gutter); background: var(--ji) }
.nf-code { font: 500 14px var(--f-mono); color: var(--usu); letter-spacing: .2em; margin-top: 10px }
.nf h1 { font: 800 clamp(24px, 4vw, 34px)/1.5 var(--f-head); max-width: 18em }
.nf .btn { margin-top: 14px }

/* ── 中くらいの幅 ── */
@media (max-width: 1180px) {
  :root { --name-col: 150px }
  .nav { gap: 16px; font-size: 14px }
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)) }
  .plan:nth-child(3) { border-left: 0 }
  .plan:nth-child(n + 3) { border-top: 1px solid var(--kei-2) }
  .safe-list { grid-template-columns: repeat(2, minmax(0, 1fr)) }
  .safe-list > div:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0 }
  .safe-list > div:nth-child(2n) { padding-left: 28px; border-left: 1px solid var(--kei-2) }
}
@media (max-width: 1020px) {
  .nav { display: none }
  .top-in .btn { margin-left: auto }
  .menu-btn { display: block }
  .sec-head { grid-template-columns: 1fr }
  .sec-name { grid-row: auto; margin: 0 0 14px }
  .sec-head > :not(.sec-name) { grid-column: 1 }
  .sec-body { padding-left: 0 }
  .op-head { grid-template-columns: 1fr; gap: 24px }
  .binder { grid-template-columns: 1fr; gap: 20px }
  .index { flex-direction: row; overflow-x: auto; border-top: 0; border-bottom: 1px solid var(--kei-2); scrollbar-width: none; margin: 0 calc(var(--gutter) * -1); padding: 0 var(--gutter) }
  .index::-webkit-scrollbar { display: none }
  .index button { border-bottom: 0; flex-shrink: 0; padding: 10px 14px 12px }
  .index button span, .index button[aria-selected='true'] span { display: none }
  .index button::before { left: 10px; right: 10px; top: auto; bottom: 0; width: auto; height: 3px; transform: scaleX(0) }
  .index button[aria-selected='true'] { background: none }
  .index button[aria-selected='true']::before { transform: scaleX(1) }
  .sheet-cap { min-height: 0 }
  .split { grid-template-columns: 1fr; gap: 8px }
  .shot.ouchi-shot { right: 0 }
}

/* ── スマホ ── */
@media (max-width: 760px) {
  :root { --gutter: 16px }
  body { font-size: 16px }
  .top-in { height: 58px; gap: 10px }
  .brand-name { font-size: 16px }
  .beta { display: none }
  .btn-sm { min-height: 40px; padding: 0 12px; font-size: 14px }
  .opening { padding: 40px 0 56px }
  .lede { font-size: 16.5px }
  .cta-row .btn { flex: 1 1 100% }
  .facts { font-size: 13.5px; flex-direction: column }
  .op-app { margin-top: 32px }
  .op-window { margin: 0 calc(var(--gutter) * -1 + 8px); border-radius: 14px }
  .op-frame { height: 74svh; min-height: 480px } /* leave page above and below it, so a thumb can still scroll the page */
  .sec { padding: 72px 0 80px }
  .statement { font-size: clamp(27px, 7.6vw, 34px) }
  .body-l { font-size: 16.5px; margin-top: 16px }
  .sec-name { font-size: 16px }
  .binder { margin-top: 32px }
  .sheet picture { max-width: 340px; margin: 0 auto; border-radius: 22px; border: 6px solid var(--sumi) }
  .sheet-cap { font-size: 15px }
  .devices { margin-top: 36px; font-size: 15px }
  .ledger { margin-top: 28px; font-size: 15px }
  .ledger thead { display: none }
  .ledger tr { display: block; padding: 14px 0; border-bottom: 1px solid var(--kei) }
  .ledger tbody th, .ledger td { display: block; width: auto; padding: 0; border: 0 }
  .ledger tbody th { font-size: 17px; margin-bottom: 4px }
  .ledger tbody tr:first-child { border-top: 2px solid var(--c) }
  .move-photo { aspect-ratio: 4 / 3; margin-top: 28px; border-radius: 12px }
  .migrate { grid-template-columns: 1fr; gap: 14px; margin-top: 32px }
  .migrate-arrow { transform: rotate(90deg); margin: 0 auto }
  .scroll-hint { display: inline }
  .pv { font-size: 13px }
  .ouchi-stack { padding-bottom: 0 }
  .ouchi-photo { aspect-ratio: 4 / 3.4; border-radius: 12px }
  .shot { max-width: 340px; margin: 28px auto 0; border-radius: 22px; border: 6px solid var(--sumi) }
  .shot.ouchi-shot { position: relative; right: auto; width: 86%; margin: -64px 0 0 auto }
  .vault { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 32px }
  .vault-box { min-height: 0; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 4px 12px; padding: 14px 16px; font-size: 12.5px }
  .vault-box .vl { flex: 1 1 100% }
  .vault-box .key { margin-top: 6px }
  .vault-name { margin-top: 6px }
  .safe-list { grid-template-columns: 1fr; margin-top: 36px }
  .safe-list > div, .safe-list > div:nth-child(2n), .safe-list > div:not(:nth-child(3n + 1)) { padding: 20px 0 22px; border-left: 0 }
  .safe-list dt { font-size: 18px }
  .safe-list dd { font-size: 15px }
  .e2e { margin-top: 56px; padding-top: 40px }
  .e2e-h { font-size: 24px }
  .e2e-compare { grid-template-columns: minmax(0, 1fr) }
  .e2e-col { padding: 22px 18px 24px }
  .bill { margin-top: 28px; display: flex }
  .bill button { flex: 1; padding: 10px 8px; font-size: 14px }
  .plans { grid-template-columns: 1fr }
  .plan, .plan + .plan, .plan:nth-child(3) { border-left: 0 }
  .plan + .plan { border-top: 1px solid var(--kei-2) }
  .plan { padding: 24px 18px }
  .plan-for, .price-sub { min-height: 0 }
  .faq summary { font-size: 16.5px; padding: 18px 0 }
  .faq details p { padding-right: 0; font-size: 15.5px }
  .close { padding: 80px 0 88px }
  .close-in { grid-template-columns: 1fr }
  .close .btn { grid-column: 1; grid-row: auto; width: 100%; margin-top: 12px }
  .close h2 br { display: none }
  .waitlist { padding: 24px 18px 22px }
  .wl-grid { grid-template-columns: 1fr }
  .foot-in { grid-template-columns: 1fr }
  .foot-links { justify-content: flex-start; flex-direction: column }
}

/* 動きを減らす設定 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important }
  .move-photo img, .ouchi-photo img { transform: none !important }
}

/* ── 動画：説明は付けず、その話をしている節の中にそのまま置く ── */
.mv { display: block; width: 100%; aspect-ratio: 1; border-radius: 16px; background: #F1F1EE; box-shadow: 0 0 0 1px var(--kei), 0 30px 64px -40px rgba(29, 34, 44, .4); object-fit: cover }
/* 画面：記録と繁殖を2つ並べて、タブの上に */
.mv-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 48px 0 56px }
/* 法令・移行：表や文章の右に1つ */
.mv-beside { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 48px; align-items: start }
.mv-beside > .mv-box { position: sticky; top: 96px; margin-top: 44px } /* 法令の表（margin-top 44px）と上をそろえる */
.mv-text { margin: 40px 0 48px }
.mv-text > .mv-box { position: static; margin-top: 0 }
/* 自動再生をブラウザが止めたときだけ出る再生ボタン */
.mv-box { position: relative; min-width: 0 }
.mv-play { position: absolute; inset: 0; margin: auto; width: 72px; height: 72px; border: 0; border-radius: 50%; background: rgba(23, 25, 30, .82); color: #fff; cursor: pointer; display: none; place-items: center; box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .5); transition: transform .2s var(--ease), background .2s }
.mv-play svg { width: 30px; height: 30px; fill: currentColor; margin-left: 4px }
.mv-play:hover { transform: scale(1.06); background: var(--ai) }
.mv-box.is-blocked .mv-play { display: grid }
.mv-text .body-l { margin: 0 }
.fixes-l { margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(47, 107, 64, .25); font-size: 15px; gap: 10px }
@media (max-width: 900px) {
  .mv-pair { grid-template-columns: 1fr; gap: 20px; margin: 28px 0 40px }
  .mv-text { margin: 28px 0 36px }
  .mv-beside { grid-template-columns: 1fr; gap: 28px }
  .mv-beside > .mv-box { position: static; margin-top: 0 }
}

/* ── 複数ページ（/pricing/ /security/ /faq/ /contact/）── */
.nav a[aria-current='page'] { color: var(--sumi); border-color: var(--sumi) }
.menu nav a[aria-current='page'] { font-weight: 700 }
/* 各ページの最初の節：固定ヘッダーの下から始め、節名は小さな印、言い切りの文が h1 */
.page-first { padding-top: 88px; border-top: 0 }
/* くわしいページへの目次：節名・ひとこと・行き先を1行に。乗せると、その節の色になる */
.more-sec { padding: 72px 0 80px }
.more { border-top: 1px solid var(--kei) }
.more-row { display: grid; grid-template-columns: var(--name-col) minmax(0, 1fr) auto; column-gap: 48px; align-items: center; padding: 34px 0; border-bottom: 1px solid var(--kei); color: var(--sumi); text-decoration: none }
.more-name { display: flex; align-items: center; gap: 10px; font: 800 17px/1.3 var(--f-head); letter-spacing: .12em; color: var(--c) }
.more-name::before { content: ''; flex: none; width: 13px; height: 13px; border: 2.5px solid currentColor; border-radius: 50%; transition: background .25s var(--ease) }
.more-st { font: 800 clamp(22px, 2.4vw, 32px)/1.45 var(--f-head); letter-spacing: .03em; transition: color .25s var(--ease) }
.more-go { font-size: 15px; color: var(--usu); border-bottom: 1.5px solid var(--kei-2); padding-bottom: 3px; transition: color .25s var(--ease), border-color .25s var(--ease) }
.more-row:hover .more-st, .more-row:hover .more-go { color: var(--c) }
.more-row:hover .more-go { border-color: var(--c) }
.more-row:hover .more-name::before { background: currentColor }
.more-row:focus-visible { outline-offset: -3px }
@media (max-width: 760px) {
  .page-first { padding-top: 56px }
  .more-sec { padding: 48px 0 56px }
  .more-row { grid-template-columns: minmax(0, 1fr); row-gap: 8px; padding: 24px 0 }
  .more-go { justify-self: start }
}
/* 手機のヘッダー：ボタンは1行（「（無料）」は省く。ほかのボタンと本文に無料と書いてある） */
.top-cta { white-space: nowrap }
@media (max-width: 760px) { .top-cta .cta-free { display: none } }