/* 株式会社ARK コーポレートサイト */
:root {
  --ink: #1f1f1f;            /* 見出し・ロゴ */
  --dark: #1e2226;           /* フッター・CTAなど濃い面 */
  --dark-rgb: 30 34 38;      /* 動画の上に重ねる色 */
  --accent: #24506e;         /* 差し色（呉の海をイメージした深い藍） */
  --accent-dark: #1a3b52;
  --accent-soft: #e9eff3;
  --accent-rgb: 36 80 110;
  --text: #2b2b2b;
  --muted: #6b665f;
  --bg: #ffffff;
  --bg-alt: #f5f3ef;
  --border: #e4e0d9;
  --radius: 2px;
  --radius-btn: 2px;
  --max: 1120px;
  --header-h: 72px;
  --font: "Zen Kaku Gothic New", system-ui, sans-serif;
  --font-head: "Shippori Mincho", "Zen Kaku Gothic New", serif;
  --font-en: "Cormorant Garamond", "Shippori Mincho", serif;
  --font-logo: "Cormorant Garamond", serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.9;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.5; margin: 0; text-wrap: balance; }
h1, h2 { font-family: var(--font-head); font-weight: 600; letter-spacing: .06em; }
p { margin: 0; }
.nw { display: inline-block; }
.center { text-align: center; margin-top: 40px; }
.placeholder { color: #b0752a; }

.container { max-width: var(--max); margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 860px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--border);
  transition: background .35s, border-color .35s, color .35s;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { white-space: nowrap; display: flex; align-items: baseline; gap: .8em; text-decoration: none; color: var(--ink); }
.logo-mark { font-family: var(--font-logo); font-weight: 600; font-size: 1.75rem; letter-spacing: .22em; line-height: 1; }
.logo-sub { font-size: .75rem; font-weight: 500; color: var(--muted); letter-spacing: .08em; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { white-space: nowrap; text-decoration: none; font-size: .93rem; font-weight: 500; position: relative; letter-spacing: .06em; }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav a:not(.btn):hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: inherit; }
.menu-toggle span { display: block; width: 24px; height: 1.5px; background: currentColor; margin: 6px 0; transition: transform .3s, opacity .3s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ホームのみ：ヒーローの上では透明、スクロールで白に */
.is-home .site-header:not(.is-scrolled) { background: transparent; border-color: transparent; color: #fff; }
.is-home .site-header:not(.is-scrolled) .logo { color: #fff; }
.is-home .site-header:not(.is-scrolled) .logo-sub { color: rgba(255,255,255,.7); }
.is-home .site-header:not(.is-scrolled) .btn-small { background: #fff; color: var(--ink) !important; }
.site-header { color: var(--text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 14px 32px; border-radius: var(--radius-btn); border: 0; cursor: pointer;
  background: var(--accent); color: #fff; font: inherit; font-weight: 500; letter-spacing: .1em; text-decoration: none;
  transition: background .25s, color .25s, box-shadow .25s;
}
.btn:hover { background: var(--ink); }
.btn-small { padding: 9px 22px; font-size: .88rem; color: #fff !important; }
.btn-lg { padding: 17px 40px; font-size: 1rem; }
.hero .btn:not(.btn-ghost) { background: #fff; color: var(--ink); }
.hero .btn:not(.btn-ghost):hover { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.7); }
.btn-ghost:hover { background: rgba(255,255,255,.12); box-shadow: inset 0 0 0 1px #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent); color: #fff; }
.link-arrow { display: inline-flex; align-items: center; gap: .8em; color: var(--ink); font-weight: 500; text-decoration: none; padding-bottom: 4px; border-bottom: 1px solid currentColor; }
.link-arrow::after { content: "→"; transition: transform .25s; }
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover::after { transform: translateX(5px); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  min-height: min(92vh, 860px); display: flex; align-items: center;
  background: var(--dark);
  padding-block: calc(var(--header-h) + 60px) 100px;
}
.hero-media { position: absolute; inset: 0; background: var(--dark) url("video/hero-poster.jpg") center / cover no-repeat; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.4s ease; }
.hero-video.is-active { opacity: 1; }
/* 文字が読めるよう、動画の上に暗い色を重ねる（左ほど濃い） */
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgb(var(--dark-rgb) / .78) 0%, rgb(var(--dark-rgb) / .5) 55%, rgb(var(--dark-rgb) / .25) 100%), linear-gradient(0deg, rgb(var(--dark-rgb) / .45), transparent 40%);
}
.hero-inner { position: relative; z-index: 1; width: 100%; }
.hero-eyebrow { display: flex; align-items: center; gap: 14px; color: rgba(255,255,255,.85); font-weight: 500; letter-spacing: .12em; font-size: .92rem; margin-bottom: 24px; }
.hero-eyebrow::before { content: ""; width: 36px; height: 1px; background: currentColor; }
.hero-title { font-family: var(--font-head); font-size: clamp(1.8rem, 9vw, 4.1rem); font-weight: 600; letter-spacing: .08em; line-height: 1.4; }
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span { display: inline-block; }
.hero-lead { margin-top: 30px; color: rgba(255,255,255,.88); font-size: 1.05rem; max-width: 36em; }
.hero-actions { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; }
.scroll-cue {
  position: absolute; z-index: 1; left: 50%; bottom: 28px; transform: translateX(-50%);
  color: rgba(255,255,255,.75); text-decoration: none; font-family: var(--font-en); font-size: .78rem; letter-spacing: .3em;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-cue::after { content: ""; width: 1px; height: 48px; background: linear-gradient(#fff, transparent); animation: cue 2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* 読み込み時のアニメーション */
.js .hero-eyebrow, .js .hero-lead, .js .hero-actions { opacity: 0; transform: translateY(16px); animation: fadeUp .9s var(--ease) forwards; }
.js .hero-title .line > span { transform: translateY(105%); animation: lineUp 1s var(--ease) forwards; }
.js .hero-eyebrow { animation-delay: .1s; }
.js .hero-title .line:nth-child(1) > span { animation-delay: .25s; }
.js .hero-title .line:nth-child(2) > span { animation-delay: .4s; }
.js .hero-lead { animation-delay: .75s; }
.js .hero-actions { animation-delay: .95s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
@keyframes lineUp { to { transform: none; } }

/* ---------- Page hero (sub pages) ---------- */
.page-hero {
  position: relative; overflow: hidden; color: var(--ink);
  background: var(--bg-alt); border-bottom: 1px solid var(--border);
  padding-block: calc(var(--header-h) + 72px) 64px;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-top: 10px; }
.page-hero-lead { margin-top: 14px; color: var(--muted); max-width: 40em; }

/* ---------- Sections ---------- */
.section { padding-block: 112px; }
.section-alt { background: var(--bg-alt); }
.section-head { margin-bottom: 56px; }
.eyebrow { display: flex; align-items: center; gap: 14px; font-family: var(--font-en); color: var(--accent); font-weight: 600; letter-spacing: .28em; font-size: .9rem; }
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.eyebrow-light { color: rgba(255,255,255,.75); }
.center .eyebrow, .section-head.center .eyebrow { justify-content: center; }
.section h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); color: var(--ink); margin-top: 10px; }

/* News */
.news { padding-block: 56px; border-bottom: 1px solid var(--border); }
.news-inner { display: grid; grid-template-columns: 200px 1fr; gap: 32px; align-items: start; }
.news-title { font-size: 1.1rem !important; margin: 0 !important; display: flex; flex-direction: column; }
.news-title .en { font-family: var(--font-en); color: var(--accent); font-size: .9rem; letter-spacing: .28em; font-weight: 600; }
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--border); }
.news-list time { font-family: var(--font-en); font-variant-numeric: tabular-nums; color: var(--muted); font-size: 1rem; letter-spacing: .08em; }
.tag { font-size: .75rem; padding: 2px 12px; border-radius: var(--radius); border: 1px solid var(--border); color: var(--muted); }

/* About */
.about { overflow-x: clip; }
.about-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: center; }
.about-text h2 { margin-bottom: 32px; font-size: min(clamp(1.6rem, 3.2vw, 2.25rem), 6.2vw); }
.about-text p { color: var(--muted); margin-bottom: 16px; }
.about-text .link-arrow { margin-top: 16px; }
/* 画面イメージ：中の大きさは .about-visual の幅に合わせて伸縮する（cqw） */
.about-visual { position: relative; aspect-ratio: 8 / 7; container-type: inline-size; }
.about-visual::before { content: ""; position: absolute; inset: 14% -6% -6% 18%; background: var(--bg-alt); }
.scene { position: absolute; inset: 0; font-family: var(--font); font-size: 12px; font-size: 2.5cqw; line-height: 1.5; letter-spacing: 0; color: var(--text); }
.about-visual:not(.is-ready) .scene:not(.is-active) { display: none; }
.about-visual.is-ready .scene { opacity: 0; visibility: hidden; transition: opacity .6s ease, visibility .6s; }
.about-visual.is-ready .scene.is-active { opacity: 1; visibility: visible; }

/* 共通：アプリの窓とスマホ */
.mock-window {
  position: absolute; top: 0; left: 0; width: 86%; height: 76%; display: flex; flex-direction: column;
  background: #fff; border-radius: .6em; overflow: hidden;
  box-shadow: 0 2.4em 4.8em -1.6em rgb(var(--dark-rgb) / .3), 0 0 0 1px rgb(var(--dark-rgb) / .06);
}
.mock-bar { display: flex; align-items: center; gap: .45em; padding: .7em 1em; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.mock-bar i { width: .7em; height: .7em; border-radius: 50%; background: var(--border); }
.mock-bar span { margin-left: .8em; font-size: .85em; color: var(--muted); font-weight: 700; }
.mock-phone {
  position: absolute; right: 0; bottom: 0; width: 34%; height: 66%; display: flex; flex-direction: column;
  padding: .55em; border-radius: 1.8em; background: var(--dark);
  box-shadow: 0 2.4em 4em -1.4em rgb(var(--dark-rgb) / .45);
}
.mock-phone-head { padding: .9em .8em .6em; border-radius: 1.4em 1.4em 0 0; background: #fff; color: var(--ink); font-weight: 700; font-size: .9em; text-align: center; border-bottom: 1px solid var(--border); }
.mock-chat { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: .55em; padding: .8em .7em 1.1em; border-radius: 0 0 1.4em 1.4em; background: var(--bg-alt); }
.bubble { align-self: flex-start; max-width: 92%; padding: .5em .75em; border-radius: .2em 1em 1em 1em; background: #fff; font-size: .8em; color: var(--text); box-shadow: 0 1px 2px rgb(var(--dark-rgb) / .08); transform-origin: left bottom; }
.bubble.me { align-self: flex-end; border-radius: 1em .2em 1em 1em; background: var(--accent); color: #fff; transform-origin: right bottom; }

/* 1. 勤怠管理 */
.mock-body { flex: 1; display: flex; min-height: 0; }
.mock-side { width: 16%; background: var(--dark); padding: 1.1em .9em; display: flex; flex-direction: column; gap: .8em; }
.mock-side b { height: 1.1em; width: 70%; border-radius: .3em; background: rgba(255,255,255,.85); margin-bottom: .6em; }
.mock-side i { height: .55em; border-radius: 1em; background: rgba(255,255,255,.22); }
.mock-side i.on { background: rgba(255,255,255,.75); }
.mock-main { flex: 1; padding: 1em 1.2em; display: flex; flex-direction: column; gap: .8em; min-width: 0; }
.mock-title { font-weight: 700; color: var(--ink); font-size: 1.05em; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6em; }
.mock-stats div { border: 1px solid var(--border); border-radius: .4em; padding: .5em .7em; }
.mock-stats small, .line-kpi small { display: block; font-size: .75em; color: var(--muted); }
.mock-stats strong, .line-kpi strong { font-size: 1.45em; color: var(--ink); line-height: 1.2; }
.mock-stats em, .line-kpi em { font-style: normal; font-size: .55em; margin-left: .15em; color: var(--muted); }
.mock-chart { flex: 1; min-height: 3em; display: flex; align-items: flex-end; gap: 4%; padding: 0 .2em; border-bottom: 1px solid var(--border); }
.mock-chart i { flex: 1; height: var(--h); border-radius: .2em .2em 0 0; background: rgb(var(--accent-rgb) / .35); }
.mock-chart i.hi { background: var(--accent); }
.mock-rows { list-style: none; margin: 0; padding: 0; font-size: .82em; }
.mock-rows li { display: grid; grid-template-columns: 4em 7.6em auto; justify-content: start; gap: .4em; align-items: center; padding: .35em 0; border-bottom: 1px solid var(--bg-alt); color: var(--text); }
.mock-rows em { font-style: normal; font-size: .85em; font-weight: 700; padding: .1em .7em; border-radius: 1em; background: #fdf1e1; color: #b0752a; }
.mock-rows em.ok { background: var(--accent-soft); color: var(--accent-dark); }

/* 2. 請求書 */
.inv-paper {
  position: absolute; top: 2%; left: 4%; width: 68%; padding: 1.5em 1.7em 1.7em; background: #fff;
  display: flex; flex-direction: column; gap: .75em;
  box-shadow: 0 2.4em 4.8em -1.6em rgb(var(--dark-rgb) / .3), 0 0 0 1px rgb(var(--dark-rgb) / .06);
}
.inv-head { display: flex; justify-content: space-between; align-items: flex-end; padding-bottom: .5em; border-bottom: 2px solid var(--ink); }
.inv-title { font-family: var(--font-head); font-size: 1.9em; font-weight: 600; letter-spacing: .3em; color: var(--ink); line-height: 1.2; }
.inv-meta { font-size: .7em; color: var(--muted); text-align: right; }
.inv-to { align-self: flex-start; padding-bottom: .2em; border-bottom: 1px solid var(--ink); font-weight: 700; color: var(--ink); }
.inv-total { display: flex; justify-content: space-between; align-items: baseline; padding: .5em .8em; background: var(--bg-alt); }
.inv-total span { font-size: .78em; color: var(--muted); }
.inv-total strong { font-size: 1.45em; color: var(--ink); }
.inv-lines { font-size: .8em; }
.inv-lines div { display: grid; grid-template-columns: 1fr 3em 5.5em; padding: .45em 0; border-bottom: 1px solid var(--border); }
.inv-lines div:first-child { color: var(--muted); border-bottom-color: var(--ink); }
.inv-lines span:nth-child(n+2) { text-align: right; }
.inv-sum { display: flex; justify-content: flex-end; align-items: baseline; gap: 1.4em; font-size: .9em; }
.inv-sum b { font-size: 1.15em; color: var(--ink); }
.inv-stamp {
  position: absolute; right: 7%; top: 15%; width: 4.6em; height: 4.6em; display: grid; place-items: center;
  border: 2px solid #b8432f; border-radius: 50%; color: #b8432f; font-weight: 700; letter-spacing: .1em; transform: rotate(-14deg);
}
.inv-toast {
  position: absolute; right: 0; bottom: 7%; width: 44%; display: flex; align-items: center; gap: .8em; padding: .9em 1em;
  background: #fff; border-radius: .6em; font-size: .85em; box-shadow: 0 1.6em 3em -1em rgb(var(--dark-rgb) / .35);
}
.inv-toast i { position: relative; flex: none; width: 2.2em; height: 2.2em; border-radius: 50%; background: var(--accent); }
.inv-toast i::after { content: ""; position: absolute; left: .7em; top: .65em; width: .8em; height: .45em; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }
.inv-toast b { color: var(--ink); }

/* 3. ホームページ */
.web-window { width: 84%; height: 78%; }
.mock-bar .web-url { margin-left: .8em; padding: .1em 1em; border-radius: 1em; background: #fff; border: 1px solid var(--border); font-weight: 400; font-size: .78em; }
.web-page { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: .7em; padding-bottom: 1.1em; }
.web-nav { display: flex; align-items: center; gap: .9em; padding: .6em 1.2em 0; }
.web-nav b, .web-sp-nav b { margin-right: auto; font-family: var(--font-en); letter-spacing: .2em; color: var(--ink); }
.web-nav b { font-size: .85em; }
.web-nav i { width: 2.6em; height: .35em; border-radius: 1em; background: var(--border); }
.web-hero, .web-sp-hero { display: flex; align-items: flex-end; color: #fff; background: linear-gradient(0deg, rgb(var(--dark-rgb) / .6), transparent 70%), url("video/hero-poster.jpg") center / cover; }
.web-hero { flex: 1.4; margin: 0 1.2em; padding: 1em 1.2em; }
.web-hero p, .web-sp-hero p { font-family: var(--font-head); line-height: 1.45; letter-spacing: .08em; }
.web-hero p { font-size: 1.25em; }
.web-cards { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: .9em; margin: 0 1.2em; }
.web-cards div { display: flex; flex-direction: column; gap: .4em; }
.web-cards i { flex: 1; min-height: 2em; background: #dfe7ec; }
.web-cards div:nth-child(2) i { background: #eee5d8; }
.web-cards div:nth-child(3) i { background: #e2e9df; }
.web-cards b, .web-sp > b { height: .4em; border-radius: 1em; background: var(--border); }
.web-cards b + b { width: 60%; }
.web-phone { width: 30%; height: 72%; }
.web-sp { flex: 1; display: flex; flex-direction: column; gap: .55em; padding-bottom: .8em; overflow: hidden; border-radius: 1.3em; background: #fff; }
.web-sp-nav { display: flex; align-items: center; padding: .9em .9em .2em; font-size: .6em; font-weight: 700; color: var(--ink); }
.web-sp-hero { height: 44%; padding: .7em; }
.web-sp-hero p { font-size: .72em; }
.web-sp > b { margin: 0 .9em; }
.web-sp > b:nth-of-type(2) { width: 50%; }
.web-sp-btn { margin: auto .9em 0; padding: .45em; border-radius: .3em; background: var(--accent); color: #fff; font-size: .68em; text-align: center; }

/* 4. LINE */
.line-card {
  position: absolute; left: 0; top: 10%; width: 56%; display: flex; flex-direction: column; gap: .8em; padding: 1.2em 1.3em;
  background: #fff; border-radius: .6em; box-shadow: 0 2em 4em -1.4em rgb(var(--dark-rgb) / .3), 0 0 0 1px rgb(var(--dark-rgb) / .06);
}
.line-card-title { display: flex; align-items: center; gap: .5em; font-weight: 700; color: var(--ink); font-size: .95em; }
.line-card-title::before { content: ""; width: .8em; height: .8em; border-radius: .2em; background: #4cb05a; }
.line-kpi { display: grid; grid-template-columns: 1fr 1fr; gap: .6em; }
.line-kpi div { border: 1px solid var(--border); border-radius: .4em; padding: .5em .7em; }
.line-graph { width: 100%; height: 5.5em; overflow: visible; }
.line-graph polygon { fill: rgb(var(--accent-rgb) / .12); }
.line-graph polyline { fill: none; stroke: var(--accent); stroke-width: 1.2; stroke-linejoin: round; stroke-linecap: round; stroke-dasharray: 100; }
.line-card-note { padding-top: .6em; border-top: 1px solid var(--border); font-size: .75em; color: var(--muted); }
.line-phone { right: 3%; width: 40%; height: 98%; }
.line-head { text-align: left; }
.line-chat { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: .5em; padding: .7em .6em; background: #c9d6e5; }
.scene-line .bubble { font-size: .74em; }
.scene-line .bubble.me { background: #a5e09b; color: #1d2a1c; }
.line-chips { align-self: flex-start; width: 78%; display: flex; flex-direction: column; gap: .3em; transform-origin: left bottom; }
.line-chips span { padding: .3em .6em; border: 1px solid var(--accent); border-radius: 1em; background: #fff; color: var(--accent); font-size: .68em; font-weight: 700; text-align: center; }
.line-menu { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border-radius: 0 0 1.4em 1.4em; background: var(--border); }
.line-menu span { padding: .8em .2em .9em; background: #fff; color: var(--ink); font-size: .58em; font-weight: 700; text-align: center; }
.line-menu span::before { content: ""; display: block; width: 1.6em; height: 1.6em; margin: 0 auto .35em; border-radius: 50%; border: 1px solid var(--accent); background: var(--accent-soft); }

/* 切り替え表示：表示中の画面の下線が、次に切り替わるまでの時間に合わせて伸びる */
.mock-tabs { position: absolute; left: 0; bottom: 2%; display: flex; gap: 1.4em; font-size: 12px; font-size: 2.6cqw; color: var(--muted); letter-spacing: .06em; }
.mock-tabs span { position: relative; padding-bottom: .5em; transition: color .35s; }
.mock-tabs span::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--border); }
.mock-tabs .is-active { color: var(--ink); font-weight: 700; }
.mock-tabs .is-active::before { content: ""; position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink); transform-origin: left; }

/* 見えるたびに再生するアニメーション（main.js が is-play を付け直す）。--d は各要素の開始の遅れ */
.about-visual.is-ready:not(.is-play) :is(.a-up, .a-pop, .a-fade, .a-stamp) { opacity: 0; }
.about-visual.is-ready:not(.is-play) .a-grow { transform: scaleY(0); }
.about-visual.is-ready:not(.is-play) .a-wipe { clip-path: inset(0 100% 0 0); }
.about-visual.is-ready:not(.is-play) .a-draw { stroke-dashoffset: 100; }
.about-visual.is-play .is-active .a-up { animation: mockUp .7s var(--ease) var(--d, 0s) both; }
.about-visual.is-play .is-active .a-pop { animation: mockPop .5s cubic-bezier(.34, 1.56, .64, 1) var(--d, 0s) both; }
.about-visual.is-play .is-active .a-fade { animation: mockFade .8s ease var(--d, 0s) both; }
.about-visual.is-play .is-active .a-grow { transform-origin: bottom; animation: mockGrow .9s var(--ease) var(--d, 0s) both; }
.about-visual.is-play .is-active .a-wipe { animation: mockWipe 1s var(--ease) var(--d, 0s) both; }
.about-visual.is-play .is-active .a-draw { animation: mockDraw 1.6s var(--ease) var(--d, 0s) both; }
.about-visual.is-play .is-active .a-stamp { animation: mockStamp .45s cubic-bezier(.3, 1.4, .5, 1) var(--d, 0s) both; }
.about-visual.is-play .mock-tabs .is-active::before { animation: mockProgress var(--mock-interval, 7s) linear both; }
@keyframes mockUp { from { opacity: 0; transform: translateY(1.2em); } to { opacity: 1; transform: none; } }
@keyframes mockPop { from { opacity: 0; transform: scale(.85) translateY(.4em); } to { opacity: 1; transform: none; } }
@keyframes mockFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes mockGrow { from { transform: scaleY(0); } to { transform: none; } }
@keyframes mockWipe { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0); } }
@keyframes mockDraw { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
@keyframes mockStamp { from { opacity: 0; transform: rotate(-14deg) scale(1.8); } to { opacity: 1; transform: rotate(-14deg); } }
@keyframes mockProgress { from { transform: scaleX(0); } to { transform: none; } }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.card {
  background: var(--bg); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); border-radius: 0;
  padding: 44px 36px; display: flex; flex-direction: column; gap: 16px; text-decoration: none;
  transition: background .35s var(--ease);
}
.card:hover { box-shadow: inset 0 -2px 0 var(--accent); }
.card:hover .card-more::after { transform: translateX(5px); }
.card-icon { flex: none; }
.card-icon svg { width: 34px; height: 34px; fill: none; stroke: var(--accent); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.card-icon-lg svg { width: 44px; height: 44px; }
.card h3 { font-size: 1.15rem; color: var(--ink); letter-spacing: .06em; }
.card p { color: var(--muted); font-size: .94rem; flex: 1; }
.card-more { color: var(--ink); font-weight: 500; font-size: .88rem; letter-spacing: .08em; display: inline-flex; gap: .6em; }
.card-more::after { content: "→"; transition: transform .25s; }

/* Strengths：アイコンの代わりに 01・02・03 の番号を出す */
.strengths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; counter-reset: strength; }
.strength { counter-increment: strength; border-top: 1px solid var(--ink); padding-top: 24px; }
.strength::before { content: counter(strength, decimal-leading-zero); display: block; font-family: var(--font-en); font-size: 2.6rem; line-height: 1; color: var(--accent); }
.strength-icon { display: none; }
.strength-icon svg { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.strength h3 { margin: 18px 0 12px; font-size: 1.15rem; color: var(--ink); letter-spacing: .06em; }
.strength p { color: var(--muted); font-size: .94rem; }

/* FAQ */
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--border); }
.faq-list details { background: transparent; border-bottom: 1px solid var(--border); }
.faq-list summary {
  cursor: pointer; list-style: none; padding: 24px 56px 24px 56px; position: relative; font-weight: 500; color: var(--ink);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before { content: "Q"; position: absolute; left: 14px; top: 17px; font-family: var(--font-en); font-style: italic; color: var(--accent); font-size: 1.6rem; }
.faq-list summary::after { content: "+"; position: absolute; right: 18px; top: 18px; font-size: 1.4rem; font-weight: 300; color: var(--ink); transition: transform .3s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding: 0 24px 26px 56px; color: var(--muted); }
.faq-group + .faq-group { margin-top: 64px; }
.faq-cat { font-size: 1.3rem !important; margin-bottom: 20px !important; }

/* Company */
.message { display: grid; gap: 20px; }
.message p { color: var(--muted); }
.message-lead { font-family: var(--font-head); font-size: 1.6rem; font-weight: 600; letter-spacing: .06em; color: var(--ink) !important; }
.message-sign { text-align: right; color: var(--text) !important; margin-top: 12px; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value { background: var(--bg); padding: 36px 30px; border-top: 1px solid var(--ink); }
.value h3 { font-family: var(--font-head); font-weight: 600; color: var(--ink); font-size: 1.25rem; letter-spacing: .08em; margin-bottom: 10px; }
.value p { color: var(--muted); font-size: .94rem; }
.profile { margin: 0; border-top: 1px solid var(--ink); }
.profile > div { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 22px 4px; border-bottom: 1px solid var(--border); }
.profile dt { font-weight: 500; color: var(--ink); }
.profile dd { margin: 0; }
.profile ul { margin: 0; padding-left: 1.2em; }

/* Services */
.service-tabs { display: flex; gap: 12px; flex-wrap: wrap; padding-block: 32px 0; }
.service-tabs a { padding: 10px 22px; border-radius: var(--radius-btn); border: 1px solid var(--border); text-decoration: none; font-weight: 500; font-size: .9rem; letter-spacing: .06em; transition: .25s; }
.service-tabs a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.service-block + .service-block { border-top: 1px solid var(--border); }
.service-head { display: flex; gap: 28px; align-items: flex-start; margin-bottom: 48px; }
.service-lead { margin-top: 12px; color: var(--muted); max-width: 42em; }
.service-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; }
.worry, .can { border-radius: var(--radius); padding: 36px; }
.worry { background: var(--bg-alt); }
.can { border: 1px solid var(--border); }
.worry h3, .can h3 { font-size: 1.08rem; color: var(--ink); margin-bottom: 18px; letter-spacing: .06em; }
.checks, .cans { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.checks li { padding-left: 30px; position: relative; }
.checks li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 12px; height: 7px; border-left: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent); transform: rotate(-45deg); }
.cans li { display: grid; gap: 2px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.cans li:last-child { border-bottom: 0; padding-bottom: 0; }
.cans strong { color: var(--accent); font-weight: 700; }
.service-note { margin-top: 20px; font-size: .88rem; color: var(--muted); }

/* Flow：縦に並べ、番号・見出しと期間・説明の3列にする */
.flow { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--ink); counter-reset: step; }
.flow li { counter-increment: step; display: grid; grid-template-columns: 120px 260px 1fr; align-items: baseline; gap: 6px 32px; padding: 30px 8px; border-bottom: 1px solid var(--border); }
.flow li::before { content: "Step " counter(step, decimal-leading-zero); grid-column: 1; grid-row: 1 / span 2; font-family: var(--font-en); color: var(--accent); font-weight: 600; font-size: 1.1rem; letter-spacing: .12em; }
.flow h3 { grid-column: 2; grid-row: 1; font-size: 1.1rem; color: var(--ink); letter-spacing: .06em; }
.flow p { grid-column: 3; grid-row: 1 / span 2; color: var(--muted); font-size: .94rem; }
.flow .flow-time { grid-column: 2; grid-row: 2; justify-self: start; padding: 1px 10px; border: 1px solid var(--accent); color: var(--accent); font-size: .8rem; font-weight: 700; }
.flow-note { margin-top: 24px; font-size: .88rem; color: var(--muted); }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.price-card { display: flex; flex-direction: column; gap: 16px; padding: 48px 44px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section .price-card h2 { font-size: 1.4rem; margin-top: 0; }
.price-desc { color: var(--muted); font-size: .94rem; }
.price-list { margin: 8px 0 12px; border-top: 1px solid var(--ink); }
.price-list > div { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.price-list dt { color: var(--muted); font-size: .92rem; }
.price-list dd { margin: 0 0 0 auto; color: var(--ink); text-align: right; }
.price-num { font-family: var(--font-head); font-size: 2rem; font-weight: 600; letter-spacing: .02em; line-height: 1; font-variant-numeric: lining-nums; }
.price-unit { margin-left: .3em; font-size: .9rem; }
.price-extra { display: block; margin-top: 6px; color: var(--muted); font-size: .8rem; }
.price-card .link-arrow { margin-top: auto; align-self: flex-start; }
.price-notes { margin-top: 64px; padding: 36px 40px; background: var(--bg-alt); }
.section .price-notes h2 { font-size: 1.2rem; margin: 0 0 14px; }
.price-notes ul { margin: 0; padding-left: 1.3em; color: var(--muted); font-size: .94rem; }
.price-notes li + li { margin-top: 6px; }
.service-note a { color: var(--accent); margin-left: .3em; }

/* Contact */
.contact-form { display: grid; gap: 26px; }
.contact-form fieldset { border: 0; margin: 0; padding: 0; }
.contact-form legend, .field label { font-weight: 500; color: var(--ink); margin-bottom: 8px; display: block; padding: 0; }
.req { font-size: .72rem; background: #a8432c; color: #fff; padding: 1px 8px; border-radius: var(--radius); margin-left: 8px; vertical-align: middle; }
.checks-inline { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.checks-inline label { display: flex; gap: 8px; align-items: center; cursor: pointer; }
.checks-inline input { width: 18px; height: 18px; accent-color: var(--accent); }
.field input, .field textarea {
  width: 100%; font: inherit; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: #fcfbf9;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgb(var(--accent-rgb) / .15); }
.contact-form .btn { justify-self: center; min-width: 260px; }
.form-status { text-align: center; padding: 14px; border-radius: var(--radius); background: #fff6e5; color: #8a5a00; }
.form-status.is-ok { background: var(--accent-soft); color: var(--accent-dark); font-weight: 700; }
.form-status.is-error { background: #fdecec; color: #b42318; }
.form-note { font-size: .88rem; color: var(--muted); text-align: center; }
.form-note a { color: var(--accent); }
.cf-turnstile { justify-self: center; min-height: 65px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .btn[disabled] { opacity: .6; cursor: wait; }

/* CTA */
.cta { background: var(--dark); color: #fff; padding-block: 88px; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 10px 0 14px; }
.cta p { color: rgba(255,255,255,.8); }

/* Footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,.68); padding-block: 64px 28px; font-size: .88rem; border-top: 1px solid rgba(255,255,255,.08); }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-brand { display: grid; gap: 6px; }
.logo-light { color: #fff; margin-bottom: 10px; }
.logo-light .logo-sub { color: rgba(255,255,255,.6); }
.footer-nav { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 40px; }
.footer-nav a { text-decoration: none; }
.footer-nav a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); }
.to-top { text-decoration: none; }
.footer-legal { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 24px; }
.footer-legal a { text-decoration: none; font-size: .83em; }
.footer-legal a:hover, .to-top:hover { color: #fff; }

/* Privacy policy */
.policy { display: grid; gap: 48px; }
.policy-intro { color: var(--muted); }
.policy section { display: grid; gap: 12px; }
.policy h2 { font-size: 1.25rem; color: var(--ink); padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.policy ul { margin: 0; padding-left: 1.3em; }
.policy li + li { margin-top: 4px; }
.policy a { color: var(--accent); }
.policy .profile { border-top-color: var(--border); }
.policy .profile > div { grid-template-columns: 200px 1fr; }
.policy-date { text-align: right; color: var(--muted); }

/* ---------- Scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal, .js .hero-eyebrow, .js .hero-lead, .js .hero-actions { opacity: 1; transform: none; }
  .js .hero-title .line > span { transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
/* メニューが1行に収まらない幅（960px 以下）はハンバーガーメニューにする */
@media (max-width: 960px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff; color: var(--text);
    border-bottom: 1px solid var(--border); box-shadow: 0 12px 24px rgba(0,0,0,.08);
    display: none; padding: 8px 20px 24px;
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav a::after { display: none; }
  .nav a.btn { margin-top: 18px; border-bottom: 0; padding: 13px; }
  .is-home .site-header:has(.nav.open) { background: #fff; color: var(--text); }
  .is-home .site-header:has(.nav.open) .logo { color: var(--ink); }
  .is-home .site-header:has(.nav.open) .btn-small { background: var(--accent); color: #fff !important; }
  .cards, .strengths, .values, .price-grid { grid-template-columns: 1fr; }
  .flow li { grid-template-columns: 100px 1fr; }
  .flow p { grid-column: 2; grid-row: auto; }
  .flow li::before { grid-row: 1 / span 3; }
  .about-inner, .service-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 480px; width: 100%; margin-inline: auto; }
}
@media (max-width: 760px) {
  :root { --header-h: 64px; }
  .pc-only { display: none; }
  .section { padding-block: 80px; }
  .hero-eyebrow { font-size: .85rem; }
  .hero { min-height: auto; padding-block: calc(var(--header-h) + 72px) 120px; }
  .hero::after { background: rgb(var(--dark-rgb) / .62); }
  .news-inner { grid-template-columns: 1fr; gap: 12px; }
  .card { padding: 36px 26px; }
  .price-card { padding: 36px 24px; }
  .price-notes { padding: 28px 22px; }
  .flow li { grid-template-columns: 1fr; padding: 24px 4px; }
  .flow li::before, .flow h3, .flow p, .flow .flow-time { grid-column: 1; grid-row: auto; }
  .service-head { flex-direction: column; gap: 16px; }
  .worry, .can { padding: 26px 22px; }
  .profile > div, .policy .profile > div { grid-template-columns: 1fr; gap: 4px; }
  .faq-list summary { padding: 20px 44px 20px 46px; }
  .faq-list summary::before { left: 8px; top: 13px; }
  .faq-list summary::after { right: 10px; }
  .faq-list details p { padding: 0 12px 22px 46px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}