:root {
  --paper: #FFFBF4;
  --paper2: #F5EFE3;
  --ink: #141210;
  --ink2: #2B251E;
  --line: #E5DDCC;
  --dim: #6B645A;
  --accent: #FF3A5E;
  --accent2: #FFD84D;
  --accent3: #3A6BFF;
  --accent4: #22A879;
}
* { box-sizing: border-box; }
html, body { margin:0; padding:0; background: var(--paper); color: var(--ink); font-family: 'Geist', -apple-system, system-ui, sans-serif; -webkit-font-smoothing: antialiased; line-height:1.5; }
.serif { font-family: 'Instrument Serif', 'Times New Roman', serif; font-weight: 400; font-style: italic; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.jp { font-family: 'Noto Sans JP', sans-serif; }
.ko { font-family: 'Pretendard', sans-serif; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.wrap { max-width: 1360px; margin: 0 auto; padding: 0 40px; }

/* ─── Top bar ─── */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,251,244,0.85); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(229,221,204,0.6); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; letter-spacing: -0.5px; }
.logo-mark { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 900; }
.nav-links { display: flex; gap: 28px; font-size: 13px; font-weight: 500; color: var(--ink2); }
.nav-links a:hover { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-pill { display:inline-flex; gap:6px; align-items:center; font-size:12px; font-weight:600; padding:6px 10px; border:1px solid var(--line); border-radius:999px; }
.btn-dark { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; background: var(--ink); color: #fff; border-radius: 10px; font-size: 12.5px; font-weight: 600; letter-spacing: -0.1px; }
.btn-dark:hover { background: var(--accent); }

/* ─── Hero ─── */
.hero { padding: 60px 0 30px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 600; background: #fff; }
.dot { width: 7px; height: 7px; border-radius: 99px; background: var(--accent); box-shadow: 0 0 0 3px rgba(255,58,94,0.2); }
.hero h1 { font-size: 88px; line-height: 0.95; letter-spacing: -3.5px; font-weight: 800; margin: 20px 0 18px; }
.hero h1 .serif { font-weight: 400; letter-spacing: -2px; color: var(--ink2); }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lede { font-size: 18px; color: var(--dim); max-width: 520px; letter-spacing: -0.2px; line-height: 1.5; }
.hero-cta { display: flex; gap: 12px; margin-top: 26px; align-items: center; flex-wrap: wrap; }
.btn-ai { display: inline-flex; align-items: center; gap: 10px; padding: 14px 18px; background: var(--ink); color: #fff; border-radius: 14px; font-size: 14px; font-weight: 700; letter-spacing: -0.2px; }
.btn-ai-mark { width: 22px; height: 22px; border-radius: 999px; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; }
.btn-ghost { padding: 14px 18px; border: 1px solid var(--line); border-radius: 14px; font-size: 14px; font-weight: 600; background: #fff; }
.hero-supp { display: flex; gap: 24px; margin-top: 34px; font-size: 11.5px; color: var(--dim); letter-spacing: 0.04em; text-transform: uppercase; font-weight: 600; }
.hero-supp b { display:block; color: var(--ink); font-size: 20px; letter-spacing:-0.5px; text-transform: none; font-weight:800; margin-bottom: 2px; }

/* Hero right — chat mockup */
.chat-card { background: var(--ink); border-radius: 28px; padding: 22px; color: #fff; box-shadow: 0 40px 80px -20px rgba(60,30,15,0.35); position: relative; overflow: hidden; }
.chat-card::before { content: ''; position: absolute; inset: -40% -40% auto auto; width: 300px; height: 300px; border-radius: 999px; background: radial-gradient(circle, rgba(255,58,94,0.25), transparent 60%); }
.chat-hdr { display: flex; align-items: center; gap: 10px; }
.chat-hdr .mark { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), var(--accent2)); display:flex; align-items:center; justify-content:center; font-size: 16px; font-weight: 800; }
.chat-hdr h4 { margin: 0; font-size: 14px; font-weight: 700; letter-spacing: -0.3px; }
.chat-hdr small { font-size: 10.5px; color: #9aa; display: flex; align-items: center; gap: 6px; }
.chat-green { width: 6px; height: 6px; border-radius: 99px; background: #4ade80; }
.chat-body { margin-top: 18px; position: relative; z-index: 2; display: flex; flex-direction: column; gap: 10px; }
.msg { padding: 11px 14px; border-radius: 16px 16px 16px 4px; font-size: 13px; line-height: 1.5; letter-spacing: -0.1px; background: rgba(255,255,255,0.08); max-width: 88%; }
.msg.me { align-self: flex-end; background: #fff; color: var(--ink); border-radius: 16px 16px 4px 16px; }
.msg.tool { font-family: 'JetBrains Mono', monospace; font-size: 11px; line-height: 1.65; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: #bcd; max-width: 94%; }
.msg.tool b { color: #6ee7b7; font-weight: 600; display: block; font-size: 10px; margin-bottom: 4px; }
.msg.tool .k { color: #93c5fd; } .msg.tool .v { color: var(--accent2); } .msg.tool .n { color: #fcd34d; }
.msg .card-inline { margin-top: 10px; background: #0c0a08; border: 1px solid rgba(255,58,94,0.4); border-radius: 14px; padding: 12px; display:flex; gap:10px; align-items:center; }
.msg .ci-emoji { width: 44px; height: 44px; border-radius: 10px; background: linear-gradient(135deg, rgba(255,58,94,0.25), rgba(255,216,77,0.25)); display:flex; align-items:center; justify-content:center; font-size: 22px; }
.msg .ci-t { font-size: 12.5px; font-weight: 700; }
.msg .ci-s { font-size: 10px; color: #9aa; margin-top: 2px; }
.msg .ci-p { margin-left: auto; font-size: 17px; font-weight: 800; letter-spacing: -0.5px; }

/* ─── Marquee ─── */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 13px; color: var(--dim); letter-spacing: 0.05em; text-transform: uppercase; font-weight: 600; position: relative; background: #fff; }
.marquee-track { display: flex; gap: 48px; white-space: nowrap; animation: marq 40s linear infinite; }
@keyframes marq { to { transform: translateX(-50%); } }
.marquee span.sep { color: var(--accent); }

/* ─── Section header ─── */
.section { padding: 90px 0; }
.section-hd { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; gap: 30px; }
.section-hd .tag { font-size: 11.5px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); display:flex; align-items:center; gap:8px; }
.section-hd h2 { font-size: 54px; letter-spacing: -1.7px; font-weight: 800; margin: 12px 0 0; line-height: 1.02; max-width: 760px; }
.section-hd h2 .serif { color: var(--ink2); }
.section-hd aside { color: var(--dim); font-size: 15px; max-width: 360px; letter-spacing: -0.15px; text-align: right; padding-bottom: 10px; }

/* ─── Taxonomy ─── */
.taxo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.taxo-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 24px; display: flex; flex-direction: column; min-height: 420px; position: relative; overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.taxo-card:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -20px rgba(60,30,15,0.18); }
.taxo-card .idx { font-size: 11px; color: var(--dim); font-weight: 600; letter-spacing: 0.1em; }
.taxo-card .glyph { width: 56px; height: 56px; border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 14px 0 20px; }
.taxo-card h3 { font-size: 26px; letter-spacing: -0.8px; margin: 0; font-weight: 800; }
.taxo-card .sub { font-size: 12px; color: var(--dim); margin-top: 4px; font-weight: 500; letter-spacing: -0.1px; }
.taxo-card .body { font-size: 13px; line-height: 1.55; color: var(--ink2); margin-top: 14px; letter-spacing: -0.1px; }
.taxo-card .meta { margin-top: auto; padding-top: 18px; border-top: 1px dashed var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; font-size: 10.5px; color: var(--dim); }
.taxo-card .meta b { color: var(--ink); font-weight: 600; display: block; font-size: 11.5px; letter-spacing: -0.1px; }
.taxo-card .tag-r { position: absolute; top: 20px; right: 20px; font-size: 10px; font-weight: 700; padding: 4px 8px; border-radius: 99px; letter-spacing: 0.05em; text-transform: uppercase; }

.t-product .glyph { background: linear-gradient(135deg, #FF3A5E22, #FFD84D22); }
.t-product .tag-r { background: var(--accent); color: #fff; }
.t-experience .glyph { background: linear-gradient(135deg, #FFD84D33, #FF3A5E22); }
.t-experience .tag-r { background: var(--accent2); color: var(--ink); }
.t-tour .glyph { background: linear-gradient(135deg, #3A6BFF22, #22A87922); }
.t-tour .tag-r { background: var(--accent3); color: #fff; }
.t-hybrid .glyph { background: linear-gradient(135deg, #22A87933, #3A6BFF22); }
.t-hybrid .tag-r { background: var(--accent4); color: #fff; }

/* ─── Featured bundles ─── */
.feat-grid { display: grid; grid-template-columns: 5fr 4fr 4fr; gap: 18px; grid-auto-rows: 320px; }
.feat-card { border-radius: 24px; overflow: hidden; position: relative; color: #fff; padding: 26px; display: flex; flex-direction: column; justify-content: space-between; cursor: pointer; }
.feat-card .bg { position: absolute; inset: 0; z-index: 0; }
.feat-card .top, .feat-card .bot { position: relative; z-index: 1; }
.feat-card .type { font-size: 10.5px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; opacity: 0.9; display:inline-flex; align-items:center; gap:8px; padding:5px 10px; border-radius:99px; background: rgba(0,0,0,0.35); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.15); }
.feat-card h4 { font-size: 28px; letter-spacing: -0.8px; font-weight: 800; margin: 12px 0 4px; line-height: 1.1; }
.feat-card .f-sub { font-size: 13.5px; opacity: 0.85; letter-spacing: -0.2px; max-width: 90%; }
.feat-card .f-foot { display: flex; align-items: flex-end; justify-content: space-between; }
.feat-card .f-price { font-size: 28px; font-weight: 800; letter-spacing: -0.8px; }
.feat-card .f-price small { font-size: 11px; font-weight: 500; opacity: 0.7; display: block; letter-spacing: 0.05em; text-transform: uppercase; }
.feat-card .f-meta { font-size: 11px; opacity: 0.85; text-align: right; line-height: 1.5; }
.feat-card.large { grid-row: 1 / span 2; }

/* ─── How it works ─── */
.how { background: var(--ink); color: #fff; padding: 90px 0; margin-top: 60px; }
.how h2 { color: #fff; }
.how .tag { color: var(--accent2); }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.how-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; padding: 26px; min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; }
.how-card .num { font-family: 'Instrument Serif', serif; font-style: italic; font-size: 80px; line-height: 0.8; color: rgba(255,255,255,0.15); letter-spacing: -2px; }
.how-card h4 { font-size: 22px; letter-spacing: -0.6px; margin: 10px 0 8px; font-weight: 700; }
.how-card p { color: rgba(255,255,255,0.7); font-size: 13.5px; line-height: 1.55; letter-spacing: -0.1px; margin:0; }
.how-card .trace { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: #6ee7b7; margin-top: 12px; }

/* ─── Standards (tech.html only) ─── */
.stds { padding: 80px 0; border-top: 1px solid var(--line); }
.stds-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; align-items: center; }
.stds-pills { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.std-pill { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.std-pill b { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.04em; font-weight: 600; color: var(--accent); }
.std-pill div { font-size: 15px; font-weight: 700; letter-spacing: -0.3px; margin-top: 4px; }
.std-pill p { font-size: 12px; color: var(--dim); margin: 6px 0 0; letter-spacing: -0.1px; line-height: 1.45; }

/* ─── Markets ─── */
.markets { padding: 80px 0; background: var(--paper2); }
.mk-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mk-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 22px; }
.mk-card .flag { font-size: 34px; line-height: 1; }
.mk-card h5 { margin: 14px 0 4px; font-size: 17px; letter-spacing: -0.4px; font-weight: 800; }
.mk-card .sub { font-size: 12px; color: var(--dim); letter-spacing: -0.1px; }
.mk-card .stats { margin-top: 14px; font-size: 11px; color: var(--dim); line-height: 1.7; border-top: 1px dashed var(--line); padding-top: 12px; }
.mk-card .stats b { color: var(--ink); display: inline; font-weight: 700; }

/* ─── Footer ─── */
.foot { background: var(--ink); color: #fff; padding: 70px 0 30px; margin-top: 0; }
.foot-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.foot h6 { font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent2); margin: 0 0 14px; }
.foot a { color: rgba(255,255,255,0.7); font-size: 13px; display: block; padding: 4px 0; }
.foot a:hover { color: #fff; }
.foot .brand-blurb { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.6; max-width: 300px; margin-top: 14px; letter-spacing: -0.1px; }
.foot-bot { padding-top: 26px; display: flex; justify-content: space-between; align-items: center; font-size: 11.5px; color: rgba(255,255,255,0.4); letter-spacing: 0.02em; }

/* ─── CTA strip ─── */
.cta-headline { font-size: 68px; letter-spacing: -2.4px; margin: 12px 0 6px; line-height: 1.0; font-weight: 800; }

/* ─── Responsive ─── */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 54px; letter-spacing: -2px; }
  .taxo-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .feat-card.large { grid-row: auto; }
  .how-grid, .mk-grid, .stds-grid, .foot-top { grid-template-columns: 1fr; }
  .section-hd { flex-direction: column; align-items: flex-start; }
  .section-hd aside { text-align: left; }
  .section-hd h2 { font-size: 40px; }
  .wrap { padding: 0 22px; }
  .nav-links { display: none; }
  .lang-pill { display: none; }
  .hero { padding: 40px 0 20px; }
  .hero-supp { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; margin-top: 28px; }
  .eyebrow { white-space: normal; line-height: 1.4; }
  .section { padding: 60px 0; }
  .how, .markets { padding: 60px 0; }
  .cta-headline { font-size: 52px; letter-spacing: -1.6px; }
  .foot-bot { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: 40px; letter-spacing: -1.4px; }
  .hero p.lede { font-size: 16px; }
  .section-hd h2 { font-size: 32px; letter-spacing: -1.1px; }
  .taxo-grid { grid-template-columns: 1fr; }
  .taxo-card { min-height: 0; }
  .feat-grid { grid-auto-rows: auto; }
  .feat-card { min-height: 260px; }
  .feat-card h4 { font-size: 22px; }
  .feat-card .f-price { font-size: 22px; }
  .cta-headline { font-size: 40px; letter-spacing: -1.2px; }
  .how-card .num { font-size: 60px; }
  .how-card h4 { font-size: 18px; }
  .chat-card { padding: 18px; border-radius: 22px; }
  .btn-dark { padding: 8px 12px; font-size: 12px; }
  .hero-cta .btn-ai, .hero-cta .btn-ghost { padding: 12px 14px; font-size: 13px; }
}