/* Fuseji — product site. 紙と墨。士の机に置いて違和感のない、静かで確かな画面。
   方向（2026-09-27 オーナー判断）: 朱（赤）を主役から外し、藍（情報色）を落ち着いた差し色に。
   見出しはゴシック（明朝は使わず）。画面画像は縦横比を保ち、つぶさない */
:root {
  --paper: #f6f5f2;
  --paper-2: #efede8;
  --ink: #1c1b19;
  --ink-2: #4a4843;
  --ink-3: #7a776f;
  --rule: rgba(28, 27, 25, 0.12);
  --sumi: #121212;
  /* 差し色は藍（情報）。朱は注意書きのマーカーだけに残す */
  --ai: #2b4f7a;
  --ai-2: #5680a8;
  --ai-bg: #eef2f7;
  --ai-ink: #1a3252;
  --shu: #b83a2b;
  --shu-2: #d65a4a;
  --matsu: #2f6b3f;
  --ochre: #8a6212;
  --radius: 18px;
  /* 見出しはゴシックで。明朝はロゴのマーク（画像）だけ。日本語: Zen Kaku Gothic New 700 / 欧文: Geist 600 */
  --display: 'Zen Kaku Gothic New', 'Geist', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', system-ui, sans-serif;
  --body: 'Geist', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* 日本語: 行間を少し広め・字間を少し開ける */
:lang(ja) body { font-size: 16px; line-height: 1.85; letter-spacing: 0.02em; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* 紙の質感（フラット #fff に見せないため、ごく薄いノイズ） */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.top.scrolled { border-bottom-color: var(--rule); }
.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
/* 「Fuseji」と「伏字」は文字の並ぶ線（ベースライン）で揃え、マークだけ上下の中央に置く */
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 28px; height: 28px; display: block; align-self: center; }
/* 字の見た目の中心（Fuseji は j の下の伸びを除いた本体）をマークの中心に合わせる（2026-09-27 に実測: Fuseji 3.2px・伏字 1.5px 上に寄っていた） */
.brand span { font-family: var(--display); font-size: 18px; font-weight: 700; letter-spacing: 0.02em; line-height: 1; position: relative; top: 3px; }
.brand small { font-size: 12px; line-height: 1; color: var(--ink-3); font-family: var(--body); font-weight: 600; letter-spacing: 0.04em; position: relative; top: 1.5px; }
:lang(ja) .brand small { font-weight: 600; }

.top nav { display: flex; align-items: center; gap: 24px; margin-left: auto; font-size: 14px; line-height: 1; }
.top nav a { text-decoration: none; color: var(--ink-2); }
.top nav a:hover { color: var(--ink); }
.lang { font-size: 13px; color: var(--ink-3); text-decoration: none; border: 1px solid var(--rule); padding: 4px 10px; border-radius: 99px; }
.lang:hover { color: var(--ink); border-color: var(--ink-3); }

/* language menu */
.langs { position: relative; }
.langs > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; -webkit-user-select: none; user-select: none; }
.langs > summary::-webkit-details-marker { display: none; }
.langs > summary svg { flex: none; opacity: .8; }
.langs > summary::after { content: ''; width: 5px; height: 5px; margin: 0 1px 0 1px; border-right: 1.2px solid currentColor; border-bottom: 1.2px solid currentColor; transform: translateY(-2px) rotate(45deg); opacity: .7; }
.langs[open] > summary::after { transform: translateY(1px) rotate(-135deg); }
.langs[open] > summary.lang { color: var(--ink); border-color: var(--ink-3); }
.langs-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  display: grid; min-width: 200px; padding: 6px;
  background: #fbfaf7; border-radius: 12px;
  box-shadow: 0 24px 48px -24px rgba(28,27,25,.45), 0 0 0 1px var(--rule);
}
.langs-menu a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14px; line-height: 1.25; letter-spacing: 0; color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.langs-menu a:hover { background: var(--paper-2); color: var(--ink); }
.langs-menu a[aria-current] { color: var(--ai); font-weight: 600; }
.langs.up .langs-menu { top: auto; bottom: calc(100% + 10px); }
footer .langs > summary:hover { color: var(--ink); }
.legal-note { font-size: 13px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 12px;
  font: 500 16px/1 var(--body); text-decoration: none;
  transition: transform .15s ease, background .2s, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--sumi); color: var(--paper); box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 8px 24px -10px rgba(18,18,18,.5); }
.btn-primary:hover { background: #2a2926; }
.btn-ghost { color: var(--ink); border: 1px solid var(--rule); background: rgba(255,255,255,.5); }
.btn-ghost:hover { background: #fff; }
.btn small { font-size: 13px; opacity: .6; font-weight: 400; }
.top .btn { padding: 9px 16px; font-size: 14px; border-radius: 9px; }

/* ---------- hero ---------- */
.hero { padding: 80px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ai); display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ''; width: 22px; height: 1px; background: currentColor; }
h1, h2, h3 { font-weight: 700; margin: 0; font-family: var(--display); letter-spacing: 0.005em; }
h1 {
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.2;
  margin: 22px 0 24px;
}
/* 強調（em）は藍の色に変え、斜体はやめる（明朝ともども） */
h1 em, h2 em, h3 em { font-style: normal; color: var(--ai); font-weight: 700; }
h1, h2 { text-wrap: balance; }
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { word-break: auto-phrase; text-wrap: balance; }
:lang(ja) h1 { font-size: clamp(28px, 3.8vw, 44px); line-height: 1.45; letter-spacing: 0.01em; }
:lang(ja) h2 { font-size: clamp(24px, 3.2vw, 36px); line-height: 1.5; }

.lead { font-size: 18px; color: var(--ink-2); max-width: 32em; margin: 0 0 32px; line-height: 1.7; }
:lang(ja) .lead { font-size: 16px; line-height: 1.85; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.fine { margin-top: 20px; font-size: 13px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 6px 16px; }
.fine span::before { content: '·'; margin-right: 16px; }
.fine span:first-child::before { content: none; }

/* hero 画面画像: 元の縦横比のまま表示。枠は横長に対応 */
.stage { position: relative; display: flex; justify-content: center; }
.stage img { width: 100%; max-width: 640px; height: auto; aspect-ratio: 1280 / 820; object-fit: contain; border-radius: 14px;
  box-shadow: 0 30px 60px -30px rgba(28,27,25,.35), 0 0 0 1px var(--rule); background: var(--paper-2); }

/* ---------- sections ---------- */
section { padding: 88px 0; }
.kicker { font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
h2 { font-size: clamp(34px, 4.2vw, 54px); line-height: 1.25; max-width: 18em; }
:lang(ja) h2 { line-height: 1.5; }
.sub { color: var(--ink-2); max-width: 36em; margin: 18px 0 0; font-size: 17px; line-height: 1.7; }
:lang(ja) .sub { font-size: 16px; line-height: 1.85; }

/* how */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid var(--rule); }
.step { padding: 32px 32px 8px 0; }
.step + .step { padding-left: 32px; border-left: 1px solid var(--rule); }
/* 数字は藍で。上品に。明朝斜体からゴシック通常組に */
.step .n { font-family: var(--display); font-size: 30px; line-height: 1; color: var(--ai); font-weight: 700; letter-spacing: 0.04em; }
.step h3 { font-family: var(--display); font-size: 22px; line-height: 1.4; margin: 18px 0 10px; font-weight: 700; }
:lang(ja) .step h3 { font-size: 20px; line-height: 1.5; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.8; }
:lang(ja) .step p { line-height: 1.85; }

/* privacy band: 真っ黒をやめ、薄い藍の地に濃い文字。士業の机の上の安心感に寄せる */
.privacy { background: var(--ai-bg); color: var(--ink); position: relative; }
.privacy .kicker { color: var(--ai); }
.privacy h2 em { color: var(--ai); }
.privacy .sub { color: var(--ink-2); }
.pgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 40px; }
.pgrid.pgrid-3 { grid-template-columns: repeat(3, 1fr); }
.pgrid div { background: #fff; border: 1px solid var(--rule); border-radius: 14px; padding: 28px 28px 24px; }
.pgrid h3 { font-family: var(--display); font-size: 19px; font-weight: 700; margin-bottom: 8px; color: var(--ink); }
:lang(ja) .pgrid h3 { font-size: 17px; line-height: 1.5; }
.pgrid p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.8; }

/* features */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 64px; }
.feat.flip .shot { order: -1; }
.feat h3 { font-family: var(--display); font-size: 28px; line-height: 1.4; letter-spacing: 0.005em; font-weight: 700; }
:lang(ja) .feat h3 { font-size: 24px; line-height: 1.5; }
.feat p { color: var(--ink-2); margin: 14px 0 0; line-height: 1.8; }
/* feature 画像: 元の横長比のまま表示 */
.shot { border-radius: 14px; overflow: hidden; background: var(--paper-2); box-shadow: 0 24px 50px -28px rgba(28,27,25,.32), 0 0 0 1px var(--rule); aspect-ratio: 1280 / 820; }
.shot img { width: 100%; height: 100%; object-fit: contain; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
/* chips は藍のトーンに。朱の濃い文字ではなく、上品な藍 */
.chips span { font-size: 13px; padding: 6px 12px; border-radius: 99px; background: var(--ai-bg); color: var(--ai-ink); font-weight: 500; }

.minor { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 80px; padding-top: 32px; border-top: 1px solid var(--rule); }
.minor h4 { margin: 0 0 8px; font-size: 16px; font-weight: 700; }
.minor p { margin: 0; font-size: 14px; color: var(--ink-2); line-height: 1.8; }

/* inspect */
.inspect { background: var(--paper-2); }

/* pricing */
.pricing { background: var(--paper-2); }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.price-card {
  background: #fbfaf7; border-radius: 20px; padding: 36px 32px 32px;
  box-shadow: 0 24px 50px -28px rgba(28,27,25,.28), 0 0 0 1px var(--rule);
  display: flex; flex-direction: column; gap: 16px;
}
/* おすすめプラン（feature）は、藍の地 + 白文字。黒の重さと朱の派手さの中間 */
.price-card.feature {
  background: var(--ai); color: #fff;
  box-shadow: 0 30px 60px -30px rgba(43,79,122,.50), 0 0 0 1px var(--ai);
}
.price-name { font-family: var(--display); font-size: 22px; font-weight: 700; margin: 0; }
.amount { font-family: var(--display); font-size: 56px; line-height: .95; letter-spacing: 0; font-weight: 700; }
.amount sup { font-size: 22px; vertical-align: top; position: relative; top: 8px; margin-right: 4px; font-family: var(--body); font-weight: 500; color: var(--ink-3); }
.price-card.feature .amount sup { color: rgba(255,255,255,.7); }
.per { color: var(--ink-2); margin: -4px 0 4px; font-size: 14px; }
.price-card.feature .per { color: rgba(255,255,255,.8); }
.price-card .btn { width: 100%; justify-content: center; }
.price-card.feature .btn-primary { background: #fff; color: var(--ai); box-shadow: 0 8px 24px -10px rgba(0,0,0,.35); }
.price-card.feature .btn-primary:hover { background: var(--paper); }
.price-li { list-style: none; margin: 0; padding: 16px 0 0; border-top: 1px solid var(--rule); display: flex; flex-direction: column; gap: 12px; }
.price-card.feature .price-li { border-top-color: rgba(255,255,255,.18); }
.price-li li b { display: block; font-weight: 700; font-size: 14px; }
.price-li li span { display: block; font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.price-card.feature .price-li li span { color: rgba(255,255,255,.75); }
.price-note { font-size: 13px; color: var(--ink-3); margin-top: 24px; }
.price-compare { margin-top: 40px; background: #fbfaf7; border-radius: 14px; padding: 20px 24px; border: 1px solid var(--rule); }
.price-compare summary { cursor: pointer; font-weight: 600; list-style: none; }
.price-compare summary::-webkit-details-marker { display: none; }
.price-compare summary::before { content: '+'; display: inline-block; width: 18px; color: var(--ink-3); }
.price-compare[open] summary::before { content: '−'; }
.compare-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 8px 16px; margin-top: 16px; font-size: 14px; }
.compare-grid > div { display: contents; }
.compare-grid b { font-weight: 700; padding: 8px 0; border-bottom: 1px solid var(--rule); }
.compare-grid span { padding: 8px 0; border-bottom: 1px solid var(--rule); color: var(--ink-2); }

/* faq */
.faq { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq details:first-child { border-top: 1px solid var(--rule); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-weight: 600; font-size: 17px; position: relative; line-height: 1.6; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 16px; font: 400 26px/1 var(--body); color: var(--ink-3); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 24px; color: var(--ink-2); max-width: 40em; line-height: 1.85; }
.faq details p a { color: var(--ai); }

/* closing: 注意書きにだけ朱の小さなマーカー */
.closing { text-align: center; padding: 110px 0 90px; }
.closing img { width: 80px; margin: 0 auto 28px; filter: drop-shadow(0 18px 28px rgba(28,27,25,.28)); }
.closing h2 { margin: 0 auto; }
.closing .caution { color: var(--ink-3); font-size: 13px; max-width: 36em; margin: 18px auto 0; text-wrap: balance; }
.closing .cta { justify-content: center; margin-top: 30px; }

footer { border-top: 1px solid var(--rule); padding: 36px 0 48px; font-size: 14px; color: var(--ink-3); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }
footer .right { margin-left: auto; display: flex; gap: 22px; flex-wrap: wrap; row-gap: 8px; }

/* reveal */
/* 下の節だけ、見えたときに短く出す。ファーストビュー（.hero）は演出なしですぐ表示する（フォントや JS の読み込みを待たせない） */
.rv { opacity: 0; transform: translateY(12px); transition: opacity .5s ease-out, transform .5s ease-out; }
.rv.in { opacity: 1; transform: none; }
.hero .rv { opacity: 1; transform: none; transition: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* language hint: 朱をやめて藍で */
.hint { display: none; background: var(--ai-ink); color: #fff; font-size: 14px; text-align: center; padding: 9px 16px; }
.hint.on { display: block; }
.hint a { color: #cfdbed; margin-left: 8px; }
.hint button { background: none; border: 0; color: rgba(255,255,255,.7); cursor: pointer; margin-left: 12px; font: inherit; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap, .feat, .faq { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
  .feat.flip .shot { order: 0; }
  .feat { gap: 36px; margin-top: 48px; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 24px 0; border-left: none; }
  .step + .step { border-top: 1px solid var(--rule); }
  .pgrid, .pgrid.pgrid-3 { grid-template-columns: 1fr; }
  .minor { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .lp-seg { grid-template-columns: 1fr; }
  .top nav > a:not(.keep) { display: none; }
  section { padding: 64px 0; }
  .compare-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .minor { grid-template-columns: 1fr; }
  .top .wrap { gap: 14px; }
  .top nav { gap: 14px; }
  .compare-grid { grid-template-columns: 1.2fr 1fr 1fr; font-size: 13px; }
}

/* ---------- LP (用途別) ---------- */
/* トップの「用途から探す」カード */
.lp-seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.lp-card {
  display: flex; flex-direction: column; gap: 10px;
  background: #fbfaf7; border: 1px solid var(--rule); border-radius: 16px;
  padding: 28px 26px 24px;
  text-decoration: none; color: inherit;
  transition: transform .15s ease, border-color .2s, box-shadow .2s;
}
.lp-card:hover { border-color: var(--ai); box-shadow: 0 18px 36px -22px rgba(28,27,25,.28); transform: translateY(-2px); }
.lp-card h3 { font-family: var(--display); font-size: 18px; font-weight: 700; margin: 0; color: var(--ink); }
:lang(ja) .lp-card h3 { font-size: 17px; line-height: 1.5; }
.lp-card p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.8; }
.lp-card .arrow { margin-top: auto; font-family: var(--mono); color: var(--ai); font-size: 13px; letter-spacing: .04em; }

/* LP ページ hero: トップより少し詰める（hero 画像なし） */
.lp-hero { padding: 72px 0 32px; }
.lp-hero h1 { max-width: 18em; }
.lp-hero .lead { max-width: 36em; margin-bottom: 28px; }
.lp-note { font-size: 13px; color: var(--ink-3); margin-top: 18px; }

/* LP セクション b の背景（.lp-feat）で pricing との境界を作る */
.lp-feat { background: var(--paper-2); }

/* ---------- legal pages ---------- */
.legal { padding: 56px 0 96px; }
.legal .wrap { max-width: 760px; }
.legal .back { display: inline-block; font-size: 14px; color: var(--ink-3); text-decoration: none; margin-bottom: 28px; }
.legal .back:hover { color: var(--ink); }
.legal h1 { font-size: clamp(34px, 4.5vw, 48px); margin: 0 0 24px; }
:lang(ja) .legal h1 { font-size: clamp(24px, 4vw, 36px); line-height: 1.5; }
.legal h2 { font-family: var(--body); font-size: 20px; font-weight: 700; letter-spacing: 0; margin: 48px 0 12px; max-width: none; line-height: 1.4; }
.legal h3 { font-size: 16px; font-weight: 700; margin: 28px 0 8px; }
.legal p, .legal li { color: var(--ink-2); line-height: 1.9; }
.legal ul, .legal ol { padding-left: 1.3em; }
.legal li { margin: 6px 0; }
.legal code { font-family: var(--mono); font-size: .88em; background: var(--paper-2); padding: 1px 6px; border-radius: 5px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.legal th { font-weight: 700; color: var(--ink); }
.legal a { color: var(--ai); }
.legal .table-wrap { overflow-x: auto; }
.legal .table-wrap table { display: table; }
.legal td:first-child { white-space: nowrap; font-weight: 700; color: var(--ink); }

/* ---------- download page ---------- */
.dl { padding: 72px 0 100px; }
.dl .wrap { max-width: 980px; }
.dl-icon { width: 88px; height: 88px; margin-bottom: 28px; filter: drop-shadow(0 16px 24px rgba(28,27,25,.28)); }
.dl h1 { font-size: clamp(34px, 4.6vw, 54px); margin: 0 0 18px; }
:lang(ja) .dl h1 { font-size: clamp(26px, 4vw, 40px); line-height: 1.5; }
.dl .sub { margin: 0 0 56px; }
.dl .sub a { color: var(--ai); }
.dl .steps { margin-top: 20px; }
.dl-note { margin-top: 40px; font-size: 14px; color: var(--ink-3); }

/* ---------- help ---------- */
.help .toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 24px; }
.help .toc a { font-size: 13px; text-decoration: none; padding: 5px 12px; border-radius: 99px; background: var(--paper-2); color: var(--ink-2); }
.help .toc a:hover { color: var(--ink); background: #e4e2da; }
.help h2 { scroll-margin-top: 80px; font-family: var(--display); }
.help ol { padding-left: 1.3em; }
.help b { color: var(--ink); font-weight: 700; }
.help i { font-style: normal; color: var(--ai); }

/* ---- 色のメリハリ（2026-09-27）----
   アプリの画面は紙色の地なので、同じ紙色のサイトの上に置くと境目が溶けて見づらかった。
   画面の画像は藍の台紙に載せ、節ごとに地の色（紙・白・薄い藍）を変えてリズムを付け、締めの節は明るめの藍の帯にする */
/* ファーストビューは藍の地（2026-09-27 オーナー判断）。文字は白、強調は明るい水色、画面の台紙は白の半透明 */
.hero { background: linear-gradient(135deg, #24466e 0%, #2f5a8a 55%, #3d6d9f 100%); color: #fff; }
.hero h1 { color: #fff; }
.hero h1 em { color: #b9d3ee; }
.hero .eyebrow { color: #b9d3ee; }
.hero .lead { color: rgba(255, 255, 255, .86); }
.hero .fine, .hero .lp-note { color: rgba(255, 255, 255, .7); }
.hero .btn-primary { background: #fff; color: #24466e; box-shadow: 0 10px 26px -12px rgba(0, 0, 0, .45); }
.hero .btn-primary:hover { background: var(--paper); }
.hero .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.hero .btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.hero .stage { background: rgba(255, 255, 255, .14); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .5), 0 0 0 1px rgba(255, 255, 255, .22) inset; }
.stage { padding: 18px; border-radius: 22px; background: linear-gradient(135deg, #2b4f7a 0%, #4a78a8 100%);
  box-shadow: 0 30px 60px -30px rgba(31, 59, 92, .55); }
.stage img { border-radius: 10px; box-shadow: 0 12px 30px -12px rgba(0, 0, 0, .45); background: #fff; }
.shot { padding: 14px; border-radius: 18px; background: linear-gradient(135deg, #2b4f7a 0%, #4a78a8 100%);
  box-shadow: 0 24px 50px -28px rgba(31, 59, 92, .5); aspect-ratio: auto; overflow: visible; }
.shot img { border-radius: 8px; height: auto; aspect-ratio: 1280 / 820; background: #fff; box-shadow: 0 10px 24px -12px rgba(0, 0, 0, .4); }
#how, #use, .inspect, #faq { background: #fff; }
#features { background: var(--paper); }
.closing { background: linear-gradient(135deg, #2b4f7a 0%, #3f6d9e 100%); color: #fff; }
.closing h2 { color: #fff; }
.closing h2 em { color: #fff; }
.closing .caution { color: rgba(255, 255, 255, .78); }
.closing .btn-primary { background: #fff; color: #2b4f7a; box-shadow: 0 10px 26px -12px rgba(0, 0, 0, .45); }
.closing .btn-primary:hover { background: var(--paper); }
.closing .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.closing .btn-ghost:hover { background: rgba(255, 255, 255, .12); }