/* ============================================================
   Shuuchi LP — design system + 3 direction themes
   Brand: navy (#0c1827) × coral (#e9785c)
   ============================================================ */

:root {
  /* coral */
  --coral: #e9785c; --coral-600: #d8624a; --coral-700: #bd5038;
  --coral-300: #f3a994; --coral-100: #fbe7df; --coral-tint: #fdf3ef;
  /* ink (text on light) */
  --ink: #16243a; --ink-2: #586a80; --ink-3: #8493a5;
  --line: #e6ebf1; --line-2: #eef2f7;
  /* navy (dark surfaces) */
  --navy-900: #0b1623; --navy-850: #0e1b2b; --navy-800: #132338;
  --navy-card: #16273d; --navy-card-2: #1b2e47; --navy-line: rgba(255,255,255,.08);
  --on-dark: #eaf1f8; --on-dark-2: #9db0c4; --on-dark-3: #6f8298;
  /* paper (light surfaces) */
  --paper: #ffffff; --paper-2: #f4f7fa; --paper-3: #eaf0f6;
  --blue: #3f7fe0; --green: #2faa6a;
  /* fonts */
  --f-head: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --f-body: "Noto Sans JP", sans-serif;
  --f-latin: "Space Grotesk", "Zen Kaku Gothic New", sans-serif;
  --f-serif: "Shippori Mincho", serif;
  --radius: 16px; --radius-sm: 10px; --radius-lg: 22px;
  --maxw: 1120px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset / base ---------- */
* { box-sizing: border-box; }
.lp {
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--paper);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.75;
  letter-spacing: .01em;
}
.lp h1, .lp h2, .lp h3, .lp h4 { font-family: var(--f-head); font-weight: 700; line-height: 1.32; letter-spacing: .01em; margin: 0; }
.lp p { margin: 0; }
.lp a { color: inherit; text-decoration: none; }
.lp img { max-width: 100%; display: block; }
.lp ::selection { background: var(--coral-100); color: var(--coral-700); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- sections ---------- */
.section { padding: 112px 0; position: relative; scroll-margin-top: 84px; }
.hero { scroll-margin-top: 0; }
.section--paper { background: var(--paper); }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--navy-900); color: var(--on-dark); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }

/* ---------- eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-latin); font-weight: 600; font-size: 12.5px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--coral-700);
  background: var(--coral-tint); border: 1px solid var(--coral-100);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 24px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); }
.section--dark .eyebrow { color: var(--coral-300); background: rgba(233,120,92,.12); border-color: rgba(233,120,92,.22); }

/* ---------- section heads ---------- */
.sec-head { max-width: 680px; margin-bottom: 64px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-title { font-size: 40px; letter-spacing: .005em; }
.sec-sub { margin-top: 18px; font-size: 17px; line-height: 1.9; color: var(--ink-2); }
.section--dark .sec-sub { color: var(--on-dark-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--f-body); font-weight: 700; font-size: 15.5px; line-height: 1;
  padding: 0 26px; height: 54px; border-radius: 12px; cursor: pointer;
  border: 1px solid transparent; transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s;
  white-space: nowrap;
}
.btn .lp-icon { width: 18px; height: 18px; }
.lp .btn-primary { background: var(--coral); color: #fff; box-shadow: 0 8px 22px -8px rgba(233,120,92,.7); }
.lp .btn-primary:hover { background: var(--coral-600); transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(233,120,92,.8); }
.lp .btn-secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--ink-3); background: var(--paper-2); }
.lp .section--dark .btn-secondary { color: #fff; border-color: rgba(255,255,255,.22); }
.section--dark .btn-secondary:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.4); }
.lp .btn-white { background: #fff; color: var(--navy-900); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(0,0,0,.4); }
.btn-lg { height: 58px; font-size: 16px; padding: 0 32px; }
.lp .btn-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; color: var(--ink); font-size: 15px; }
.btn-link .lp-icon { width: 17px; height: 17px; color: var(--coral); transition: transform .2s var(--ease); }
.btn-link:hover .lp-icon { transform: translateX(4px); }
.lp .section--dark .btn-link { color: #fff; }

/* ---------- chips / badges / tags ---------- */
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; padding: 6px 13px; border-radius: 8px; background: var(--paper-2); color: var(--ink-2); border: 1px solid var(--line); }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 5px 11px; border-radius: 7px; background: var(--coral-tint); color: var(--coral-700); letter-spacing: .02em; }

/* ============================================================
   NAVBAR
   ============================================================ */
.lp-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .3s, border-color .3s, box-shadow .3s; }
.lp-nav-inner { max-width: 1240px; margin: 0 auto; padding: 0 32px; height: 76px; display: flex; align-items: center; gap: 40px; }
.lp-logo { font-family: var(--f-head); font-weight: 900; font-size: 23px; letter-spacing: .01em; color: var(--ink); }
.lp-logo b { color: var(--coral); }
.lp-nav-links { display: flex; gap: 30px; align-items: center; }
.lp-nav-links a { font-size: 14.5px; font-weight: 500; color: var(--ink-2); transition: color .18s; }
.lp-nav-links a:hover { color: var(--ink); }
.lp-nav-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.lp-nav-burger { display: none; background: none; border: none; cursor: pointer; color: var(--ink); padding: 6px; }
/* dark-hero nav */
.lp[data-nav="dark"] .lp-logo { color: #fff; }
.lp[data-nav="dark"] .lp-nav-links a { color: var(--on-dark-2); }
.lp[data-nav="dark"] .lp-nav-links a:hover { color: #fff; }
.lp[data-nav="dark"] .lp-nav-burger { color: #fff; }
.lp-nav.scrolled { background: rgba(255,255,255,.82); backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid var(--line); }
.lp[data-nav="dark"] .lp-nav.scrolled { background: rgba(11,22,35,.82); border-bottom-color: var(--navy-line); }
.lp[data-nav="dark"] .lp-nav.scrolled .lp-logo { color: #fff; }

/* mobile drawer */
.lp-drawer { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; overflow: hidden; }
.hero-grid-bg { position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--navy-line) 1px, transparent 1px), linear-gradient(90deg, var(--navy-line) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(120% 80% at 70% 0%, #000 30%, transparent 80%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 96px 0 104px; }
.hero-title { font-size: 58px; font-weight: 900; line-height: 1.22; letter-spacing: .005em; color: #fff; }
.hero-title .accent { color: var(--coral); }
.hero-sub { margin-top: 28px; font-size: 17.5px; line-height: 2; color: var(--on-dark-2); max-width: 30em; }
.hero-cta { margin-top: 40px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 13.5px; color: var(--on-dark-3); display: flex; align-items: center; gap: 8px; }
.hero-note .lp-icon { width: 16px; height: 16px; color: var(--coral-300); }
.hero-stats { margin-top: 56px; display: flex; gap: 44px; }
.hero-stats.bordered { border-top: 1px solid var(--navy-line); padding-top: 32px; }
.stat-k { font-family: var(--f-latin); font-weight: 700; font-size: 32px; color: #fff; letter-spacing: -.01em; }
.stat-k b { color: var(--coral); }
.stat-v { margin-top: 4px; font-size: 13px; color: var(--on-dark-3); }

/* ============================================================
   PRODUCT MOCKUP (shared component)
   ============================================================ */
.mock { background: #fff; border-radius: 18px; box-shadow: 0 30px 70px -28px rgba(0,0,0,.55), 0 4px 14px rgba(0,0,0,.18); color: var(--ink); overflow: hidden; border: 1px solid rgba(255,255,255,.5); position: relative; }
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--line-2); background: var(--paper-2); }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: #d9dfe7; }
.mock-bar .mock-title { margin-left: 10px; font-size: 12.5px; font-weight: 600; color: var(--ink-3); }
.mock-pill { margin-left: auto; font-size: 11px; font-weight: 700; color: var(--coral-700); background: var(--coral-tint); padding: 4px 10px; border-radius: 20px; }
.mock-body { padding: 18px; }
.mock-progress-row { display: flex; align-items: center; justify-content: space-between; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 9px; }
.mock-progress-row b { color: var(--coral); font-family: var(--f-latin); }
.mock-track { height: 8px; border-radius: 6px; background: var(--paper-3); overflow: hidden; }
.mock-fill { height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--coral), var(--coral-300)); }
.mock-tabs { display: flex; gap: 6px; margin: 18px 0 14px; background: var(--paper-2); padding: 4px; border-radius: 11px; }
.mock-tab { flex: 1; text-align: center; font-size: 12.5px; font-weight: 700; padding: 9px; border-radius: 8px; color: var(--ink-3); display: flex; align-items: center; justify-content: center; gap: 6px; }
.mock-tab .lp-icon { width: 15px; height: 15px; }
.mock-tab.on { background: var(--navy-900); color: #fff; box-shadow: 0 4px 10px -3px rgba(0,0,0,.3); }
.mock-row { display: flex; align-items: flex-start; gap: 12px; padding: 13px 14px; border: 1px solid var(--line-2); border-radius: 12px; margin-bottom: 10px; }
.mock-row .ic { flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--coral-tint); color: var(--coral-600); }
.mock-row .ic .lp-icon { width: 19px; height: 19px; }
.mock-row .meta { flex: 1; min-width: 0; }
.mock-tagrow { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.mock-cat { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 5px; background: var(--paper-3); color: var(--ink-2); }
.mock-ver { margin-left: auto; font-size: 10.5px; color: var(--ink-3); font-family: var(--f-latin); }
.mock-name { font-size: 14px; font-weight: 700; color: var(--ink); }
.mock-sub { margin-top: 5px; display: flex; align-items: center; gap: 8px; font-size: 11px; }
.mock-stat-ok { color: var(--green); font-weight: 700; display: inline-flex; align-items: center; gap: 4px; }
.mock-stat-warn { color: var(--coral-600); font-weight: 700; display: inline-flex; align-items: center; gap: 4px; }
.mock-stat-ok .lp-icon, .mock-stat-warn .lp-icon { width: 13px; height: 13px; }
.mock-read { margin-left: auto; font-size: 11px; color: var(--ink-3); }
.mock-cta { margin-top: 4px; display: flex; align-items: center; justify-content: center; gap: 7px; height: 44px; border-radius: 11px; background: var(--coral); color: #fff; font-size: 13px; font-weight: 700; }
.mock-cta .lp-icon { width: 16px; height: 16px; }
/* floating chips around mock */
.mock-float { position: absolute; background: #fff; border-radius: 13px; box-shadow: 0 16px 40px -12px rgba(0,0,0,.35); padding: 11px 14px; display: flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 700; color: var(--ink); border: 1px solid var(--line-2); }
.mock-float .fic { width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.mock-float .fic .lp-icon { width: 17px; height: 17px; }
.mock-float small { display: block; font-size: 10.5px; font-weight: 600; color: var(--ink-3); }
.mock-float.tl { top: -22px; left: -26px; }
.mock-float.br { bottom: -22px; right: -22px; }

/* ============================================================
   PROBLEM
   ============================================================ */
.prob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prob-card { background: var(--navy-card); border: 1px solid var(--navy-line); border-radius: var(--radius); padding: 32px 30px; transition: transform .25s var(--ease), border-color .25s; }
.prob-card:hover { transform: translateY(-4px); border-color: rgba(233,120,92,.3); }
.prob-ic { width: 52px; height: 52px; border-radius: 13px; background: rgba(233,120,92,.12); color: var(--coral-300); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; }
.prob-ic .lp-icon { width: 26px; height: 26px; }
.prob-card h3 { font-size: 19px; color: #fff; margin-bottom: 12px; }
.prob-card p { font-size: 14.5px; line-height: 1.85; color: var(--on-dark-2); }

/* ============================================================
   USE CASE
   ============================================================ */
.uc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.uc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 38px 36px; position: relative; overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s; box-shadow: 0 1px 2px rgba(20,35,60,.04); }
.uc-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; }
.uc-card.navy::before { background: var(--navy-800); }
.uc-card.coral::before { background: var(--coral); }
.uc-card:hover { transform: translateY(-5px); box-shadow: 0 28px 56px -28px rgba(20,35,60,.28); }
.uc-ic { width: 58px; height: 58px; border-radius: 15px; display: flex; align-items: center; justify-content: center; margin-bottom: 26px; }
.uc-ic .lp-icon { width: 28px; height: 28px; }
.uc-card.navy .uc-ic { background: #eef2f8; color: var(--navy-800); }
.uc-card.coral .uc-ic { background: var(--coral-tint); color: var(--coral-600); }
.uc-tag { display: inline-block; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 7px; margin-bottom: 16px; }
.uc-card.navy .uc-tag { background: #eef2f8; color: var(--navy-800); }
.uc-card.coral .uc-tag { background: var(--coral-tint); color: var(--coral-700); }
.uc-card h3 { font-size: 22px; margin-bottom: 14px; }
.uc-card > p { font-size: 14.5px; line-height: 1.9; color: var(--ink-2); }
.uc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.uc-for { border-top: 1px dashed var(--line); padding-top: 20px; }
.uc-for-label { font-size: 12px; font-weight: 700; color: var(--ink-3); margin-bottom: 12px; }
.uc-for-items { display: flex; flex-wrap: wrap; gap: 8px; }

/* ============================================================
   FEATURES
   ============================================================ */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px; transition: transform .25s var(--ease), box-shadow .25s, border-color .25s; }
.feat-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -26px rgba(20,35,60,.26); border-color: transparent; }
.feat-ic { width: 54px; height: 54px; border-radius: 14px; background: var(--coral-tint); color: var(--coral-600); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; transition: background .25s, color .25s; }
.feat-ic .lp-icon { width: 27px; height: 27px; }
.feat-card:hover .feat-ic { background: var(--coral); color: #fff; }
.feat-card h3 { font-size: 18.5px; margin-bottom: 12px; }
.feat-card p { font-size: 14px; line-height: 1.85; color: var(--ink-2); margin-bottom: 18px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.how-step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 32px; position: relative; }
.how-n { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--f-latin); font-weight: 700; font-size: 19px; color: #fff; background: var(--navy-800); margin-bottom: 22px; }
.how-step:nth-child(2) .how-n { background: var(--coral); }
.how-ic { position: absolute; top: 36px; right: 32px; color: var(--line); }
.how-ic .lp-icon { width: 30px; height: 30px; }
.how-step h3 { font-size: 18px; margin-bottom: 11px; }
.how-step p { font-size: 14px; line-height: 1.85; color: var(--ink-2); }
.how-connect { position: absolute; top: 60px; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); }

/* ============================================================
   PRICING
   ============================================================ */
.price-wrap { max-width: 720px; margin: 0 auto; }
.price-card { background: #fff; border-radius: 24px; padding: 48px 48px 40px; box-shadow: 0 40px 90px -40px rgba(0,0,0,.6); position: relative; color: var(--ink); }
.price-flag { position: absolute; top: -16px; left: 50%; transform: translateX(-50%); background: var(--coral); color: #fff; font-size: 12.5px; font-weight: 700; padding: 7px 18px; border-radius: 20px; box-shadow: 0 10px 20px -8px rgba(233,120,92,.7); }
.price-head { display: flex; gap: 14px; align-items: flex-end; justify-content: center; flex-wrap: wrap; }
.price-col { text-align: center; }
.price-label { font-size: 13px; font-weight: 600; color: var(--ink-3); margin-bottom: 6px; }
.price-amt { font-family: var(--f-latin); font-weight: 700; font-size: 46px; color: var(--ink); letter-spacing: -.02em; }
.price-amt span { font-size: 16px; font-weight: 600; color: var(--ink-3); }
.price-plus { font-size: 26px; color: var(--ink-3); padding-bottom: 8px; }
.price-eg { text-align: center; font-size: 13.5px; color: var(--ink-2); margin-top: 16px; }
.price-eg b { color: var(--coral-700); }
.sim { background: var(--paper-2); border-radius: 16px; padding: 24px 26px; margin: 26px 0; }
.sim-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sim-top .lbl { font-size: 13px; font-weight: 700; color: var(--ink-2); }
.sim-top .val { font-family: var(--f-latin); font-weight: 700; font-size: 15px; color: var(--ink); }
.sim input[type=range] { width: 100%; -webkit-appearance: none; appearance: none; height: 6px; border-radius: 6px; background: var(--paper-3); outline: none; accent-color: var(--coral); }
.sim input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--coral); cursor: pointer; border: 4px solid #fff; box-shadow: 0 2px 8px rgba(233,120,92,.5); }
.sim input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--coral); cursor: pointer; border: 4px solid #fff; }
.sim-out { margin-top: 16px; display: flex; align-items: baseline; gap: 10px; }
.sim-out .big { font-family: var(--f-latin); font-weight: 700; font-size: 30px; color: var(--coral-600); }
.sim-out .sm { font-size: 13px; color: var(--ink-3); }
.price-feats { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 2px; }
.price-feats li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: var(--ink); padding: 11px 0; border-bottom: 1px solid var(--line-2); }
.price-feats li .lp-icon { width: 18px; height: 18px; color: var(--coral); flex: 0 0 auto; }
.price-card .btn { width: 100%; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.faq-item.open { border-color: var(--coral-100); box-shadow: 0 14px 34px -22px rgba(20,35,60,.3); }
.faq-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; display: flex; align-items: center; gap: 18px; padding: 24px 26px; font-family: var(--f-head); font-weight: 700; font-size: 16.5px; color: var(--ink); }
.faq-q .qmark { font-family: var(--f-latin); color: var(--coral); font-weight: 700; }
.faq-tog { margin-left: auto; flex: 0 0 auto; color: var(--coral); transition: transform .3s var(--ease); }
.faq-item.open .faq-tog { transform: rotate(45deg); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .35s var(--ease); }
.faq-a-inner { padding: 0 26px 24px 60px; font-size: 14.5px; line-height: 1.9; color: var(--ink-2); }

/* ============================================================
   FINAL CTA + FOOTER
   ============================================================ */
.cta-band { text-align: center; position: relative; overflow: hidden; }
.section.cta-band { background: radial-gradient(125% 95% at 50% -12%, #1a3450 0%, #0e2034 48%, #0a1521 100%); }
.cta-band h2 { font-size: 42px; color: #fff; margin-bottom: 18px; }
.cta-band p { font-size: 16.5px; color: var(--on-dark-2); margin-bottom: 36px; }
.cta-band .btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.footer { background: var(--navy-900); color: var(--on-dark-2); padding: 72px 0 36px; border-top: 1px solid var(--navy-line); }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer .lp-logo { color: #fff; margin-bottom: 16px; }
.footer-tag { font-size: 13.5px; color: var(--on-dark-3); max-width: 26em; line-height: 1.8; }
.footer-col h4 { font-size: 13px; color: #fff; font-family: var(--f-body); margin-bottom: 18px; letter-spacing: .04em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 13px; }
.footer-col a { font-size: 14px; color: var(--on-dark-2); transition: color .18s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--navy-line); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 12.5px; color: var(--on-dark-3); }
.footer-bottom .links { display: flex; gap: 24px; }

/* ============================================================
   SHOWCASE (real app screenshots)
   ============================================================ */
.showcase .sec-head { margin-bottom: 64px; }
.showcase .show-block + .web-subs { margin-top: 28px; }

/* shared lead copy */
.show-lead { max-width: 560px; }
.show-lead-center { max-width: 640px; margin: 104px auto 48px; text-align: center; }
.show-tag { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; letter-spacing: .04em; color: var(--coral-700); background: var(--coral-tint); border: 1px solid var(--coral-100); padding: 6px 14px; border-radius: 100px; }
.show-tag .lp-icon { color: var(--coral); }
.show-title { font-size: 32px; font-weight: 900; line-height: 1.32; letter-spacing: .005em; margin: 20px 0 16px; }
.show-body { font-size: 15.5px; line-height: 1.95; color: var(--ink-2); }
.show-points { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 13px; }
.show-points li { display: flex; align-items: flex-start; gap: 12px; font-size: 14.5px; font-weight: 500; color: var(--ink); line-height: 1.6; }
.show-points li .lp-icon { flex: 0 0 auto; margin-top: 2px; width: 22px; height: 22px; padding: 3px; border-radius: 50%; background: var(--coral-tint); color: var(--coral-600); }

/* web admin block */
.show-block { display: grid; grid-template-columns: .82fr 1.18fr; gap: 56px; align-items: center; }

/* browser frame */
.browser { border-radius: 14px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: 0 36px 80px -36px rgba(16,28,45,.5), 0 6px 18px -8px rgba(16,28,45,.12); }
.browser-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--paper-2); border-bottom: 1px solid var(--line-2); }
.b-dot { width: 11px; height: 11px; border-radius: 50%; background: #d3dae3; }
.b-dot:nth-child(1) { background: #f0a8a0; }
.b-dot:nth-child(2) { background: #f4cf9a; }
.b-dot:nth-child(3) { background: #a8d6b0; }
.browser-addr { margin-left: 12px; display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; color: var(--ink-3); background: #fff; border: 1px solid var(--line); padding: 5px 14px; border-radius: 8px; }
.browser-addr .lp-icon { color: var(--ink-3); }
.browser-screen { background: #f5f7f9; }
.browser-screen img { width: 100%; display: block; }

/* web sub screens */
.web-subs { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.web-sub { margin: 0; }
.browser-mini { margin-bottom: 18px; transition: transform .3s var(--ease); }
.web-sub:hover .browser-mini { transform: translateY(-5px); }
.browser-mini .browser-bar { padding: 9px 13px; }
.browser-mini .b-dot { width: 9px; height: 9px; }
.web-sub h4 { font-size: 16.5px; font-weight: 700; margin: 0 0 7px; color: var(--ink); }
.web-sub p { font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }

/* phone frame */
.phone { position: relative; margin: 0; background: #0b1623; border-radius: 38px; padding: 8px; box-shadow: 0 30px 60px -28px rgba(16,28,45,.5), 0 4px 14px rgba(16,28,45,.12); border: 1px solid #22344c; }
.phone-screen { border-radius: 30px; overflow: hidden; background: #2d3f54; }
.phone-screen img { width: 100%; display: block; }
.phone-sm { border-radius: 30px; padding: 6px; }
.phone-sm .phone-screen { border-radius: 24px; }

/* screen rail */
.screen-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.screen-card { margin: 0; }
.screen-card .phone { margin-bottom: 22px; transition: transform .3s var(--ease); }
.screen-card:hover .phone { transform: translateY(-6px); }
.screen-num { font-family: var(--f-latin); font-weight: 700; font-size: 13px; color: var(--coral); }
.screen-card h4 { font-size: 16.5px; font-weight: 700; margin: 8px 0 8px; color: var(--ink); }
.screen-card p { font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }

/* translation highlight block */
.tl-block { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: center; background: var(--navy-900); border-radius: var(--radius-lg); padding: 56px 56px 56px 60px; margin-top: 104px; position: relative; overflow: hidden; }
.tl-block::before { content: ""; position: absolute; top: 0; left: 0; width: 6px; bottom: 0; background: var(--coral); }
.tl-block .badge { background: rgba(233,120,92,.16); color: var(--coral-300); }
.tl-title { font-size: 36px; font-weight: 900; line-height: 1.28; margin: 18px 0 16px; letter-spacing: .005em; color: #fff; }
.tl-body { font-size: 15.5px; line-height: 1.95; color: var(--on-dark-2); }
.tl-langs { display: flex; gap: 10px; margin: 30px 0 22px; }
.tl-lang { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 12px 20px 11px; border-radius: 12px; border: 1.5px solid var(--navy-line); background: var(--navy-card); cursor: pointer; transition: border-color .2s, background .2s, transform .2s; }
.tl-lang b { font-family: var(--f-latin); font-size: 17px; color: var(--on-dark-3); transition: color .2s; }
.tl-lang span { font-size: 12px; color: var(--on-dark-3); }
.tl-lang:hover { border-color: var(--coral-300); transform: translateY(-2px); }
.tl-lang.on { border-color: var(--coral); background: rgba(233,120,92,.14); }
.tl-lang.on b, .tl-lang.on span { color: var(--coral-300); }
.tl-all { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tl-all-label { font-size: 12px; font-weight: 700; color: var(--on-dark-3); margin-right: 4px; }
.tl-all-chip { font-size: 12.5px; font-weight: 600; color: var(--on-dark); background: var(--navy-card-2); border: 1px solid var(--navy-line); padding: 5px 12px; border-radius: 7px; }

/* stacked phones, active one lifts forward */
.tl-phones { position: relative; height: 540px; display: flex; align-items: center; justify-content: center; }
.tl-phone { position: absolute; width: 256px; transition: transform .5s var(--ease), opacity .5s var(--ease), filter .5s; }
.tl-phone:nth-child(1) { transform: translateX(-152px) scale(.84) rotate(-7deg); opacity: .5; filter: saturate(.85) brightness(.96); z-index: 1; }
.tl-phone:nth-child(2) { transform: scale(.9); opacity: .65; z-index: 2; }
.tl-phone:nth-child(3) { transform: translateX(152px) scale(.84) rotate(7deg); opacity: .5; filter: saturate(.85) brightness(.96); z-index: 1; }
.tl-phone.active { transform: scale(1) rotate(0deg) !important; opacity: 1 !important; filter: none !important; z-index: 5; box-shadow: 0 40px 80px -30px rgba(0,0,0,.6); }
.phone-lang { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); z-index: 6; font-family: var(--f-latin); font-weight: 700; font-size: 11px; letter-spacing: .08em; color: #fff; background: rgba(11,22,35,.55); backdrop-filter: blur(4px); padding: 5px 12px; border-radius: 20px; opacity: 0; transition: opacity .4s; pointer-events: none; }
.tl-phone.active .phone-lang { opacity: 1; }

/* variant C editorial showcase tweaks */
.lp[data-variant="c"] .browser, .lp[data-variant="c"] .tl-block { border-radius: 10px; }
.lp[data-variant="c"] .show-title { font-size: 38px; letter-spacing: -.005em; }
.lp[data-variant="c"] .tl-title { font-size: 42px; letter-spacing: -.005em; }
.lp[data-variant="c"] .screen-card h4, .lp[data-variant="c"] .web-sub h4 { font-size: 18px; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .reveal.in, .reveal[data-rv] { opacity: 1; transform: none; }
}

/* ============================================================
   ========== VARIANT B — モダン・製品主役 (product-forward) ====
   ============================================================ */
.lp[data-variant="b"] { --radius: 20px; --radius-lg: 26px; --f-latin: "Space Grotesk", sans-serif; }
.lp[data-variant="b"] .section { padding: 120px 0; }
.lp[data-variant="b"] .hero-title { font-size: 60px; }
/* bento feature grid */
.lp[data-variant="b"] .feat-grid { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 1fr; gap: 18px; }
.lp[data-variant="b"] .feat-card { grid-column: span 2; display: flex; flex-direction: column; border-radius: 20px; }
.lp[data-variant="b"] .feat-card.wide { grid-column: span 3; }
.lp[data-variant="b"] .feat-card.tall { grid-row: span 2; }
.lp[data-variant="b"] .feat-card.dark { background: var(--navy-900); border-color: var(--navy-line); color: var(--on-dark); }
.lp[data-variant="b"] .feat-card.dark h3 { color: #fff; }
.lp[data-variant="b"] .feat-card.dark p { color: var(--on-dark-2); }
.lp[data-variant="b"] .feat-card.dark .feat-ic { background: rgba(233,120,92,.14); color: var(--coral-300); }
.lp[data-variant="b"] .feat-card.dark:hover .feat-ic { background: var(--coral); color: #fff; }
.lp[data-variant="b"] .uc-card { box-shadow: 0 20px 50px -30px rgba(20,35,60,.3); }
.lp[data-variant="b"] .how-step { background: var(--paper-2); border-color: transparent; }
/* product-forward hero: bigger mock, softer navy with gradient */
.lp[data-variant="b"] .hero { background: linear-gradient(160deg, #0e1f33 0%, #0b1623 60%); }
.lp[data-variant="b"] .hero-inner { grid-template-columns: 1.06fr 1fr; gap: 48px; }
.lp[data-variant="b"] .hero-title { font-size: 50px; }

/* ============================================================
   ========== VARIANT C — 大胆・エディトリアル (bold editorial) =
   ============================================================ */
.lp[data-variant="c"] { --radius: 8px; --radius-sm: 6px; --radius-lg: 10px; --coral-tint: #fbeae3; }
.lp[data-variant="c"] .btn { border-radius: 6px; }
.lp[data-variant="c"] .section { padding: 130px 0; }
.lp[data-variant="c"] .eyebrow { background: none; border: none; padding: 0; border-radius: 0; color: var(--coral-700); font-size: 13px; letter-spacing: .22em; margin-bottom: 28px; }
.lp[data-variant="c"] .eyebrow::before { width: 22px; height: 2px; border-radius: 0; }
.lp[data-variant="c"] .section--dark .eyebrow { background: none; border: none; }
.lp[data-variant="c"] .sec-title { font-size: 56px; font-weight: 900; line-height: 1.16; letter-spacing: -.005em; }
.lp[data-variant="c"] .hero-title { font-size: 76px; font-weight: 900; line-height: 1.1; letter-spacing: -.01em; }
.lp[data-variant="c"] .hero-inner { grid-template-columns: 1.25fr .75fr; gap: 40px; }
.lp[data-variant="c"] .hero-stats { gap: 0; }
.lp[data-variant="c"] .stat { flex: 1; padding-right: 28px; }
.lp[data-variant="c"] .stat-k { font-size: 40px; }
/* editorial index features */
.lp[data-variant="c"] .feat-grid { grid-template-columns: 1fr 1fr; gap: 0; border-top: 2px solid var(--ink); }
.lp[data-variant="c"] .feat-card { border: none; border-bottom: 2px solid var(--line); border-radius: 0; padding: 34px 36px 34px 0; display: grid; grid-template-columns: 64px 1fr; gap: 8px 24px; align-items: start; }
.lp[data-variant="c"] .feat-card:nth-child(odd) { padding-right: 48px; border-right: 2px solid var(--line); padding-left: 0; }
.lp[data-variant="c"] .feat-card:nth-child(even) { padding-left: 48px; }
.lp[data-variant="c"] .feat-card:hover { transform: none; box-shadow: none; }
.lp[data-variant="c"] .feat-num { grid-row: span 3; font-family: var(--f-latin); font-weight: 700; font-size: 26px; color: var(--coral); }
.lp[data-variant="c"] .feat-ic { display: none; }
.lp[data-variant="c"] .feat-card h3 { grid-column: 2; font-size: 22px; }
.lp[data-variant="c"] .feat-card p { grid-column: 2; }
.lp[data-variant="c"] .feat-card .badge { grid-column: 2; justify-self: start; }
/* big editorial problem statements */
.lp[data-variant="c"] .prob-grid { grid-template-columns: 1fr; gap: 0; }
.lp[data-variant="c"] .prob-card { background: none; border: none; border-top: 1px solid var(--navy-line); border-radius: 0; padding: 40px 0; display: grid; grid-template-columns: 80px 1fr 1.2fr; gap: 32px; align-items: center; }
.lp[data-variant="c"] .prob-card:hover { transform: none; }
.lp[data-variant="c"] .prob-num { font-family: var(--f-latin); font-weight: 700; font-size: 30px; color: var(--coral); }
.lp[data-variant="c"] .prob-ic { display: none; }
.lp[data-variant="c"] .prob-card h3 { font-size: 28px; margin: 0; }
.lp[data-variant="c"] .prob-card p { font-size: 15px; }
/* serif accent for hero sub */
.lp[data-variant="c"] .sec-sub, .lp[data-variant="c"] .hero-sub { font-size: 18px; }
.lp[data-variant="c"] .price-amt { font-size: 56px; }
.lp[data-variant="c"] .cta-band h2 { font-size: 60px; font-weight: 900; line-height: 1.12; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .lp-nav-links { display: none; }
  .lp-nav-right .btn { display: none; }
  .lp-nav-burger { display: flex; }
  .hero-inner, .lp[data-variant="b"] .hero-inner, .lp[data-variant="c"] .hero-inner { grid-template-columns: 1fr; gap: 48px; padding: 84px 0 64px; }
  .uc-grid { grid-template-columns: 1fr; }
  .prob-grid, .feat-grid, .how-grid { grid-template-columns: 1fr; }
  .lp[data-variant="b"] .feat-grid { grid-template-columns: 1fr; }
  .lp[data-variant="b"] .feat-card, .lp[data-variant="b"] .feat-card.wide { grid-column: auto; grid-row: auto; }
  .lp[data-variant="c"] .feat-grid { grid-template-columns: 1fr; }
  .lp[data-variant="c"] .feat-card, .lp[data-variant="c"] .feat-card:nth-child(odd), .lp[data-variant="c"] .feat-card:nth-child(even) { padding: 28px 0; border-right: none; }
  .lp[data-variant="c"] .prob-card { grid-template-columns: 1fr; gap: 12px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .how-connect { display: none; }
  .tl-block { grid-template-columns: 1fr; gap: 36px; padding: 40px 36px; }
  .tl-block::before { width: 100%; height: 6px; bottom: auto; }
  .tl-phones { height: 460px; }
  .screen-rail { grid-template-columns: repeat(2, 1fr); gap: 28px 24px; }
  .show-block { grid-template-columns: 1fr; gap: 32px; }
  .show-lead { max-width: 100%; }
  .show-lead-center { margin: 72px auto 40px; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 46px; }
  .sec-title { font-size: 34px; }
  .sec-head { margin-bottom: 44px; }
  .uc-card { padding: 32px 26px; }
  .lp[data-variant="b"] .hero-title { font-size: 44px; }
  .lp[data-variant="c"] .hero-title { font-size: 52px; }
  .lp[data-variant="c"] .sec-title { font-size: 40px; }
  .lp[data-variant="c"] .cta-band h2 { font-size: 42px; }
  .lp[data-variant="c"] .prob-card h3 { font-size: 24px; }
  .lp[data-variant="c"] .feat-card h3 { font-size: 20px; }
}
@media (max-width: 600px) {
  .container { padding: 0 22px; }
  .section { padding: 76px 0 !important; }
  .hero-title, .lp[data-variant="b"] .hero-title, .lp[data-variant="c"] .hero-title { font-size: 36px !important; }
  .hero-sub { font-size: 16px; }
  .sec-title, .lp[data-variant="c"] .sec-title { font-size: 29px !important; }
  .hero-stats { flex-wrap: wrap; gap: 22px 32px; }
  .stat-k, .lp[data-variant="c"] .stat-k { font-size: 28px; }
  .lp[data-variant="c"] .stat { flex: 0 0 auto; padding-right: 0; }
  .cta-band h2, .lp[data-variant="c"] .cta-band h2 { font-size: 30px !important; }
  .price-card { padding: 32px 22px; }
  .price-head { flex-direction: column; gap: 18px; align-items: center; }
  .price-amt, .lp[data-variant="c"] .price-amt { font-size: 40px; }
  .price-plus { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 14px; }
  .mock-float { display: none; }
  .btn-lg { height: 54px; font-size: 15px; padding: 0 24px; }
  .lp[data-variant="c"] .feat-card { grid-template-columns: 48px 1fr; gap: 6px 16px; }
  .lp[data-variant="c"] .feat-num { font-size: 22px; }
  .tl-block { padding: 32px 22px; }
  .tl-title, .lp[data-variant="c"] .tl-title { font-size: 27px !important; }
  .tl-langs { flex-wrap: wrap; }
  .tl-phones { height: 400px; }
  .tl-phone { width: 210px; }
  .tl-phone:nth-child(1) { transform: translateX(-104px) scale(.8) rotate(-7deg); }
  .tl-phone:nth-child(3) { transform: translateX(104px) scale(.8) rotate(7deg); }
  .screen-rail { grid-template-columns: 1fr; gap: 18px; }
  .screen-card { display: grid; grid-template-columns: 116px 1fr; gap: 20px; align-items: center; }
  .screen-card .phone { margin-bottom: 0; }
  .web-subs { grid-template-columns: 1fr; gap: 28px; }
  .show-title, .lp[data-variant="c"] .show-title { font-size: 26px !important; }
  .tl-block { margin-top: 64px; }
  .show-lead-center { margin: 56px auto 32px; }
}