/* ============================================================
   AIO ライトプラン LP — clean_saas
   白基調 / 薄い罫線 / 紫→橙グラデアクセント / 外部読込ゼロ
   スマホ390pxを正本に設計し、760px/980pxで段階的に2カラム化
   ============================================================ */

:root{
  --ink:#1b2340;
  --text:#3d4660;
  --muted:#6b7490;
  --line:#e5e8f2;
  --bg:#ffffff;
  --bg-alt:#f6f7fc;
  --p:#7b6ce0;
  --p-deep:#5a4bd4;
  --o:#c87941;
  --grad:linear-gradient(135deg,#7b6ce0,#c87941);
  --shadow-s:0 8px 20px rgba(27,35,64,.06);
  --shadow-m:0 18px 40px rgba(27,35,64,.12);
  --radius:16px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  font-size:16px;
  line-height:1.9;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--p-deep)}
h1,h2,h3{color:var(--ink);line-height:1.35;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(123,108,224,.22)}

.container{max-width:1120px;margin-inline:auto;padding-inline:clamp(20px,5vw,48px)}
.band-alt{background:var(--bg-alt)}
section{padding-block:clamp(64px,10vw,108px)}

/* ---------- 共通パーツ ---------- */
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:800;letter-spacing:.14em;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  margin-bottom:12px;
}
h2{font-size:clamp(25px,4.6vw,42px);font-weight:800;letter-spacing:.01em}
.section-head{text-align:center;margin-bottom:clamp(30px,5vw,48px)}
.section-head.left{text-align:left}
.section-note{font-size:13px;color:var(--muted);text-align:center;margin-top:24px}
.nowrap{white-space:nowrap}
.scroll-hint{font-size:12px;color:var(--muted);text-align:right;margin-bottom:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;text-decoration:none;font-weight:800;
  transition:transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid var(--p);outline-offset:3px}
.btn-primary{
  background:var(--grad);color:#fff;
  padding:15px 30px;font-size:15.5px;
  box-shadow:0 12px 26px rgba(123,108,224,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(123,108,224,.38)}
.btn-large{padding:17px 40px;font-size:16.5px}
.btn-small{padding:9px 18px;font-size:13px;box-shadow:0 6px 16px rgba(123,108,224,.24)}
.btn-invert{background:#fff;color:var(--p-deep);padding:15px 34px;font-size:15.5px;box-shadow:0 14px 30px rgba(10,8,30,.25)}
.btn-invert:hover{transform:translateY(-2px)}
.cta-note{font-size:12.5px;color:var(--muted);margin-top:10px}

/* スクロール出現（JS無効環境では最初から表示 = html.js が付いた時だけ隠す） */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- ヘッダー ---------- */
.site-header{
  position:fixed;inset-inline:0;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(27,35,64,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:15px;
}
.brand-text{line-height:1.2}
.brand-text strong{display:block;font-size:15px;color:var(--ink);font-weight:800}
.brand-text small{display:block;font-size:10.5px;color:var(--muted);letter-spacing:.06em}
.global-nav{display:flex;gap:clamp(14px,2vw,26px)}
.global-nav a{font-size:14px;font-weight:700;color:var(--text);text-decoration:none}
.global-nav a:hover{color:var(--p-deep)}

/* ---------- 1. HERO ---------- */
.hero{
  padding-top:calc(var(--header-h) + clamp(44px,7vw,80px));
  padding-bottom:clamp(56px,8vw,96px);
  background:
    radial-gradient(900px 480px at 88% -10%,rgba(123,108,224,.14),transparent 60%),
    radial-gradient(760px 460px at -12% 108%,rgba(200,121,65,.10),transparent 60%),
    var(--bg);
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-block;
  border:1px solid rgba(123,108,224,.35);
  background:rgba(123,108,224,.08);
  color:var(--p-deep);
  font-size:12.5px;font-weight:700;
  padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:clamp(31px,5.4vw,58px);font-weight:900;letter-spacing:.01em;line-height:1.24}
.hero-product{margin-top:18px;font-size:15.5px;color:var(--text)}
.hero-product span{display:inline-block} /* 「— AI社員1体から…」を塊で折り返す */
.hero-product strong{
  font-size:18px;font-weight:900;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-lead{margin-top:14px;font-size:16px;line-height:2.0;max-width:34em}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points li{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 15px;font-size:13.5px;font-weight:700;color:var(--ink);
  box-shadow:var(--shadow-s);
}
.hero-points li::before{content:"✓ ";color:var(--p-deep);font-weight:900}
.hero-cta{margin-top:26px}

.hero-visual{position:relative;justify-self:center}
.phone-frame{
  margin:0;width:min(300px,76vw);
  background:#fff;border:1px solid var(--line);border-radius:34px;
  padding:10px;box-shadow:var(--shadow-m);
}
.phone-frame img{border-radius:26px}
.tilt-r{transform:rotate(2.4deg)}
.tilt-l{transform:rotate(-2.2deg)}
.visual-chip{
  position:absolute;z-index:2;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:13px;font-weight:800;color:var(--ink);
  box-shadow:var(--shadow-m);
  display:none; /* モバイルでは重なり事故防止のため非表示 → 980pxで表示 */
}
.visual-chip strong{font-size:17px;color:var(--p-deep)}
.chip-a{top:7%;left:-17%}
.chip-b{bottom:9%;right:-13%}

/* ---------- 2. PROBLEM ---------- */
.problem-inner{display:grid;grid-template-columns:1fr;gap:44px;align-items:center;justify-items:center}
.problem-copy{max-width:560px}
.pain-list{margin-top:26px}
.pain-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 2px;border-bottom:1px solid var(--line);
  font-weight:600;color:var(--ink);font-size:15.5px;line-height:1.75;
}
.pain-list .x{
  flex:none;width:26px;height:26px;margin-top:2px;border-radius:50%;
  background:rgba(194,84,60,.12);color:#c2543c;
  display:grid;place-items:center;font-size:12px;font-weight:900;
}
.problem-close{
  margin-top:26px;padding:16px 20px;
  background:#fff;border-left:4px solid var(--o);border-radius:0 10px 10px 0;
  font-weight:700;color:var(--ink);font-size:15px;line-height:1.9;
  box-shadow:var(--shadow-s);
}

/* ---------- 3. SOLUTION ---------- */
.solution-inner{text-align:center;max-width:820px;margin-inline:auto}
.turn{
  font-size:clamp(22px,3.8vw,34px);font-weight:900;letter-spacing:.02em;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  margin-bottom:26px;
}
.solution-def{margin-top:20px;font-size:16px;line-height:2.05;text-align:left}
.solution-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}
.solution-chips li{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:999px;
  padding:9px 18px;font-size:13.5px;font-weight:700;color:var(--ink);
}

/* ---------- 4. FEATURES ---------- */
.features-grid{display:grid;grid-template-columns:1fr;gap:16px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-s);
}
.feature-icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(123,108,224,.10);color:var(--p-deep);
  display:grid;place-items:center;
}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{font-size:16.5px;font-weight:800;margin-top:16px}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:8px}

/* ---------- 5. STEPS ---------- */
.steps-inner{display:grid;grid-template-columns:1fr;gap:44px;align-items:center;justify-items:center}
.steps-copy{max-width:560px;width:100%}
.steps-list{margin-top:8px}
.steps-list li{
  position:relative;
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding-bottom:30px;
}
.steps-list li:not(:last-child)::before{
  content:"";position:absolute;left:27px;top:62px;bottom:6px;width:2px;
  background:linear-gradient(to bottom,rgba(123,108,224,.6),rgba(123,108,224,.12));
}
.step-num{
  width:56px;height:56px;border-radius:50%;flex:none;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:22px;font-weight:900;
  box-shadow:0 10px 22px rgba(123,108,224,.30);
}
.steps-list h3{font-size:17.5px;font-weight:800;padding-top:4px}
.steps-list p{font-size:14.5px;color:var(--muted);line-height:1.9;margin-top:6px}

/* ---------- 6. COMPARE ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);box-shadow:var(--shadow-s)}
.compare-table{
  width:100%;min-width:600px;border-collapse:separate;border-spacing:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.compare-table th,.compare-table td{
  padding:16px 18px;text-align:left;font-size:14.5px;line-height:1.75;
  border-bottom:1px solid var(--line);
}
.compare-table thead th{font-size:13px;font-weight:800;color:var(--muted);background:var(--bg-alt);letter-spacing:.04em}
.compare-table thead th.after{color:var(--p-deep)}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody td:first-child{font-weight:800;color:var(--ink);white-space:nowrap}
.compare-table td.after{background:rgba(123,108,224,.06);font-weight:700;color:var(--ink)}

/* ---------- 7. MID CTA ---------- */
.mid-cta{background:var(--grad)}
.mid-cta-inner{
  display:flex;flex-direction:column;align-items:center;gap:20px;
  padding-block:clamp(44px,6vw,60px);text-align:center;
}
.mid-cta p{color:#fff;font-size:clamp(17px,2.6vw,24px);font-weight:900;line-height:1.7;text-shadow:0 1px 8px rgba(40,20,80,.18)}

/* ---------- 8. PRICING ---------- */
.price-card{
  max-width:560px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;box-shadow:0 24px 48px rgba(27,35,64,.10);
  position:relative;
}
.price-card::before{content:"";display:block;height:6px;background:var(--grad)}
.price-head{
  padding:28px 26px 22px;text-align:center;
  background:linear-gradient(135deg,rgba(123,108,224,.08),rgba(200,121,65,.06));
  border-bottom:1px solid var(--line);
}
.plan-name{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.1em;
  color:var(--p-deep);border:1px solid rgba(123,108,224,.4);border-radius:999px;
  padding:5px 16px;background:#fff;
}
.price-line{margin-top:14px;color:var(--ink);font-weight:900;display:flex;align-items:baseline;justify-content:center;gap:6px}
.price-line .prefix{font-size:16px}
.price-line .yen{font-size:clamp(42px,8vw,56px);letter-spacing:.01em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.price-line .unit{font-size:18px}
.plan-tagline{margin-top:6px;font-size:13px;color:var(--muted);font-weight:700}
.price-body{padding:26px 28px 30px}
.included li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;font-size:15px;font-weight:600;color:var(--ink);line-height:1.7;
  border-bottom:1px dashed var(--line);
}
.included li:last-child{border-bottom:none}
.included li::before{
  content:"✓";flex:none;width:22px;height:22px;margin-top:3px;border-radius:50%;
  background:rgba(123,108,224,.12);color:var(--p-deep);
  display:grid;place-items:center;font-size:12px;font-weight:900;
}
.price-note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.8}
.price-cta{text-align:center;margin-top:22px}

/* ---------- 9. FAQ ---------- */
.faq-list{max-width:760px;margin-inline:auto}
.faq-list details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-s);
}
.faq-list summary{
  list-style:none;cursor:pointer;
  display:flex;gap:14px;align-items:center;
  padding:19px 20px;font-weight:800;color:var(--ink);font-size:15.5px;line-height:1.6;
}
.faq-list summary::-webkit-details-marker{display:none}
.q-mark{
  flex:none;width:28px;height:28px;border-radius:9px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:900;
}
.faq-toggle{position:relative;flex:none;width:22px;height:22px;margin-left:auto}
.faq-toggle::before,.faq-toggle::after{
  content:"";position:absolute;inset:0;margin:auto;
  width:14px;height:2px;border-radius:2px;background:var(--p-deep);
  transition:transform .25s ease;
}
.faq-toggle::after{transform:rotate(90deg)}
details[open] .faq-toggle::after{transform:rotate(0)}
.faq-a{padding:0 22px 20px 62px;font-size:14.5px;line-height:1.95;color:var(--text)}

/* ---------- 10. FINAL CTA ---------- */
.final-cta{
  background:
    radial-gradient(700px 420px at 90% 120%,rgba(200,121,65,.35),transparent 60%),
    linear-gradient(135deg,#241d4f 0%,#4a3cae 60%,#7b6ce0 100%);
}
.final-inner{text-align:center;color:#fff}
.final-eyebrow{font-size:13px;font-weight:800;letter-spacing:.12em;color:rgba(255,255,255,.75)}
.final-cta h2{color:#fff;font-size:clamp(28px,5.4vw,48px);font-weight:900;margin-top:14px}
.final-lead{margin-top:16px;font-size:15.5px;line-height:2.0;color:rgba(255,255,255,.88)}
.final-cta .btn{margin-top:28px}
.final-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.68)}

/* ---------- FOOTER ---------- */
.site-footer{
  background:#151a2e;color:#9aa1bd;
  font-size:12.5px;line-height:2.0;
  padding-block:40px;
}
.site-footer a{color:#c6bdf0}
.footer-brand{font-weight:800;color:#dfe3f5;margin-bottom:8px}
.copyright{margin-top:14px;color:#6d7492}

/* ---------- STICKY CTA（モバイル） ---------- */
.sticky-cta{
  position:fixed;inset-inline:0;bottom:0;z-index:60;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  display:flex;justify-content:center;
  transform:translateY(110%);visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
}
.sticky-cta.show{transform:none;visibility:visible}
.sticky-cta .btn{width:min(560px,100%)}

/* ============================================================
   レスポンシブ（760px〜 / 980px〜）
   ============================================================ */
@media (min-width:760px){
  .features-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .problem-inner{grid-template-columns:1.05fr .72fr;justify-items:stretch}
  .problem-inner .phone-frame{justify-self:center}
  .steps-inner{grid-template-columns:1.05fr .72fr;justify-items:stretch}
  .steps-inner .phone-frame{justify-self:center}
  .mid-cta-inner{flex-direction:row;justify-content:space-between;text-align:left}
  .sp{display:none} /* スマホ専用改行を解除 */
}
@media (min-width:980px){
  .hero-inner{grid-template-columns:1.06fr .74fr;gap:56px}
  .hero-visual{justify-self:end;padding-inline:34px}
  .visual-chip{display:block}
  .features-grid{grid-template-columns:repeat(3,1fr)}
  .phone-frame{width:min(320px,32vw)}
}
@media (max-width:899.98px){
  .global-nav{display:none} /* LPのためモバイルはヘッダーCTA＋追従CTAに集約 */
  .site-footer{padding-bottom:calc(40px + 74px)} /* モバイル追従CTAぶんの逃げ */
}
@media (min-width:900px){
  .sticky-cta{display:none} /* デスクトップはヘッダーCTAが常時見えるため不要 */
}
@media (min-width:760px){
  .scroll-hint{display:none} /* 表が全幅で収まるため不要 */
}

/* 動きを減らす設定の尊重 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .reveal{opacity:1;transform:none;transition:none}
  .btn,.faq-toggle::before,.faq-toggle::after,.sticky-cta{transition:none}
}