/* ============================================================
   mintlab — Landing Page
   Built on the AI Character Association design system
   Navy #0F1B3D / Gold #B89548 · Cormorant + Noto Serif/Sans JP
   Zero corner radius · generous whitespace · abstract accents
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@300;400;500;600&family=Noto+Sans+JP:wght@400;500;700&family=Noto+Serif+JP:wght@400;500;600;700&display=swap');

:root {
  /* Brand */
  --color-primary: #0F1B3D;
  --color-primary-light: #1A2A5C;
  --color-accent: #B89548;
  --color-accent-light: #D4B86A;
  --color-accent-glow: rgba(184, 149, 72, 0.15);

  /* Text */
  --color-text: #1A1A2E;
  --color-text-light: #4B5563;
  --color-text-muted: #6B7280;
  --color-text-inverse: #FFFFFF;
  --color-text-inverse-muted: #CBD5E1;

  /* Surface */
  --color-bg: #FFFFFF;
  --color-bg-subtle: #F8F9FA;
  --color-bg-hover: #F5F6F8;

  /* Border */
  --color-border: #E5E7EB;

  /* Type */
  --font-display: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-heading-jp: 'Noto Serif JP', serif;   /* tweakable */
  --font-body-en: 'Montserrat', 'Noto Sans JP', sans-serif;
  --font-body-jp: 'Noto Sans JP', 'Montserrat', sans-serif;

  /* Tweakable gold-glow strength multiplier */
  --glow: 1;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --t: 0.3s var(--ease-out-quart);

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(15, 27, 61, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 27, 61, 0.08);
  --shadow-lg: 0 8px 32px rgba(15, 27, 61, 0.12);
  --shadow-hover: 0 12px 40px rgba(15, 27, 61, 0.15);
  --shadow-gold: 0 4px 16px rgba(184, 149, 72, 0.30);

  --max-width: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body-jp);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--color-accent); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes goldLineExpand { from { width: 0; } to { width: 56px; } }
@keyframes riseIn { from { transform: translateY(22px); } to { transform: translateY(0); } }
@keyframes scrollCue { 0% { transform: translateY(0); opacity: 0.9; } 50% { transform: translateY(7px); opacity: 0.3; } 100% { transform: translateY(0); opacity: 0.9; } }

/* ---------- Reveal on scroll (transform-only; content always visible) ---------- */
.reveal.is-in { animation: riseIn 0.7s var(--ease-out-expo) both; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), background var(--t);
}
.site-header.scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }
.site-header-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.brand-lockup { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 25px;
  color: var(--color-primary); letter-spacing: 0.01em;
}
.brand-name .dot { color: var(--color-accent); }
.brand-sub {
  font-family: var(--font-body-en); font-size: 9.5px; font-weight: 500;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--color-text-muted); margin-top: 5px;
}
.header-nav { display: flex; align-items: center; gap: 30px; }
.header-nav .links { display: flex; gap: 26px; }
.header-nav .links a {
  position: relative; font-family: var(--font-body-jp); font-size: 13.5px;
  font-weight: 500; color: var(--color-primary); padding-bottom: 4px; letter-spacing: 0.02em;
}
.header-nav .links a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 1.5px;
  background: var(--color-accent); transition: width var(--t), left var(--t);
}
.header-nav .links a:hover { color: var(--color-accent); }
.header-nav .links a:hover::after { width: 100%; left: 0; }
.header-cta {
  font-family: var(--font-body-jp); font-size: 13px; font-weight: 600; letter-spacing: 0.03em;
  background: var(--color-primary); color: #fff; padding: 11px 22px; transition: all var(--t);
}
.header-cta:hover { background: var(--color-primary-light); color: #fff; transform: translateY(-1px); }
.nav-toggle { display: none; }

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 38px; background: var(--color-accent); color: var(--color-primary);
  font-family: var(--font-body-jp); font-size: 15px; font-weight: 600; letter-spacing: 0.05em;
  border: 0; cursor: pointer; transition: all var(--t); position: relative; overflow: hidden;
}
.btn-primary::after {
  content: ''; position: absolute; top: 0; left: -120%; width: 80%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-18deg); transition: left 0.6s var(--ease-out-expo);
}
.btn-primary:hover { background: var(--color-accent-light); color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-primary:hover::after { left: 130%; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 34px; border: 1px solid var(--color-primary); color: var(--color-primary);
  background: transparent; font-family: var(--font-body-jp); font-size: 15px; font-weight: 500;
  letter-spacing: 0.03em; cursor: pointer; transition: all var(--t);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.btn-arrow { font-family: var(--font-display); font-size: 17px; line-height: 1; }

/* On dark surfaces */
.on-dark .btn-outline { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.on-dark .btn-outline:hover { background: #fff; color: var(--color-primary); border-color: #fff; }

/* ============================================================
   Layout primitives
   ============================================================ */
.section { max-width: var(--max-width); margin: 0 auto; padding: 104px 28px; }
.section.tight { padding-top: 80px; padding-bottom: 80px; }
.section-alt { background: var(--color-bg-subtle); }
.section-alt .section { background: transparent; }

.eyebrow {
  font-family: var(--font-display); font-weight: 600; font-size: 14px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-accent);
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 26px; height: 1.5px; background: var(--color-accent); display: inline-block; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head h2 {
  font-family: var(--font-heading-jp); font-size: 34px; font-weight: 600; line-height: 1.45;
  color: var(--color-primary); margin: 0 0 22px; letter-spacing: 0.01em;
}
.section-head .lede {
  font-family: var(--font-body-jp); font-size: 17px; line-height: 1.95; color: var(--color-text-light); margin: 0;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: var(--color-primary); color: #fff;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 700px 480px at 16% 34%, rgba(184, 149, 72, calc(0.12 * var(--glow))) 0%, transparent 66%),
    radial-gradient(ellipse 620px 420px at 88% 72%, rgba(184, 149, 72, calc(0.07 * var(--glow))) 0%, transparent 66%);
}
/* faint geometric grid */
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: calc(0.5 * var(--glow));
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, #000 30%, transparent 100%);
          mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, #000 30%, transparent 100%);
}
.hero-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 132px 28px 120px;
  position: relative; z-index: 1;
}
.hero-eyebrow {
  font-family: var(--font-display); font-weight: 600; font-size: 15px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--color-accent-light);
  display: flex; align-items: center; gap: 14px; margin-bottom: 30px;
}
.hero-eyebrow::before { content: ''; width: 34px; height: 1.5px; background: var(--color-accent); }
.hero h1 {
  font-family: var(--font-heading-jp); font-weight: 600;
  font-size: clamp(34px, 5.4vw, 60px); line-height: 1.34; letter-spacing: 0.02em;
  color: #fff; margin: 0; max-width: 17em;
}
.hero h1 .accent { color: var(--color-accent-light); }
.hero-sub {
  font-family: var(--font-body-jp); font-size: 17px; line-height: 1.95;
  color: var(--color-text-inverse-muted); max-width: 40em; margin: 32px 0 0;
}
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 14px; margin: 44px 0 0;
}
.trust-badge {
  display: flex; align-items: center; gap: 13px;
  border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(255, 255, 255, 0.04);
  padding: 14px 20px; max-width: 360px;
}
.trust-badge .tb-mark {
  width: 8px; height: 8px; background: var(--color-accent); flex: none; margin-top: 7px;
  box-shadow: 0 0 10px rgba(184, 149, 72, 0.7);
}
.trust-badge .tb-text { font-size: 13.5px; line-height: 1.6; color: #fff; }
.trust-badge .tb-text b { font-weight: 600; }
.trust-badge .tb-text .tb-note { color: var(--color-text-inverse-muted); font-size: 12.5px; }
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 16px; margin-top: 48px;
}
.hero-inner > .reveal:nth-of-type(2).is-in { animation-delay: 0.07s; }
.hero-inner > .reveal:nth-of-type(3).is-in { animation-delay: 0.14s; }
.hero-inner > .reveal:nth-of-type(4).is-in { animation-delay: 0.21s; }
.hero-inner > .reveal:nth-of-type(5).is-in { animation-delay: 0.28s; }
.hero-scrollcue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 1;
  font-family: var(--font-body-en); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--color-text-inverse-muted);
}
.hero-scrollcue .line { width: 1px; height: 30px; background: linear-gradient(var(--color-accent), transparent); animation: scrollCue 1.8s var(--ease-out-quart) infinite; }

/* ============================================================
   LP Hero (D1) — text left, live demo right
   ============================================================ */
.lp-hero { background: #FAF9F6; border-bottom: 1px solid var(--color-border); position: relative; overflow: hidden; }
.lp-hero-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 92px 28px 96px;
  display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 56px; align-items: center;
}
.lp-hero-text { display: flex; flex-direction: column; }
.eyebrow-n { font-family: var(--font-body-en); font-size: 12px; font-weight: 600; letter-spacing: 0.26em; text-transform: uppercase; color: var(--color-text-muted); display: flex; align-items: center; gap: 13px; margin: 0; }
.eyebrow-n::before { content: ''; width: 28px; height: 1px; background: var(--color-text-muted); opacity: 0.5; }
.lp-hero h1 {
  font-family: var(--font-heading-jp); font-weight: 600;
  font-size: clamp(28px, 3.05vw, 40px); line-height: 1.42; letter-spacing: 0.01em;
  color: var(--color-primary); margin: 22px 0 0;
}
.lp-hero-sub { font-family: var(--font-body-jp); font-size: 16px; line-height: 1.95; color: var(--color-text-light); margin: 24px 0 0; max-width: 30em; }
.lp-proof { display: flex; flex-direction: column; margin: 32px 0 0; }
.lp-proof-row { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-top: 1px solid var(--color-border); }
.lp-proof-row:last-child { border-bottom: 1px solid var(--color-border); }
.lp-proof-row .idx { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--color-text-muted); flex: none; width: 22px; }
.lp-proof-row .pt { font-family: var(--font-body-jp); font-size: 13.5px; font-weight: 600; color: var(--color-text); line-height: 1.6; }
.lp-proof-row .pn { font-weight: 400; color: var(--color-text-muted); }
.lp-hero-cta { display: flex; gap: 20px; align-items: center; margin-top: 34px; }
.btn-ghost-link { position: relative; font-family: var(--font-body-jp); font-size: 15px; font-weight: 500; color: var(--color-primary); padding-bottom: 4px; }
.btn-ghost-link::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease-out-quart); }
.btn-ghost-link:hover { color: var(--color-accent); }
.btn-ghost-link:hover::after { transform: scaleX(1); background: var(--color-accent); }
.lp-hero-inner > .reveal:nth-of-type(2).is-in { animation-delay: 0.12s; }

/* ----- Live demo card ----- */
.lp-hero-demo { display: flex; flex-direction: column; }
.demo-card { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; display: flex; flex-direction: column; height: 560px; }
.demo-card::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 360px 260px at 70% 18%, rgba(184,149,72,0.14) 0%, transparent 64%); }
.demo-head { display: flex; align-items: center; gap: 11px; padding: 15px 20px; border-bottom: 1px solid rgba(255,255,255,0.08); position: relative; }
.demo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 10px rgba(184,149,72,0.8); animation: demoDot 2.4s ease-in-out infinite; }
@keyframes demoDot { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.demo-title { font-family: var(--font-heading-jp); font-size: 14px; font-weight: 600; color: #fff; letter-spacing: 0.02em; }
.demo-status { margin-left: auto; font-family: var(--font-body-en); font-size: 11px; letter-spacing: 0.08em; color: var(--color-accent-light); white-space: nowrap; flex: none; }
.demo-stage { flex: none; height: 150px; padding: 0 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; position: relative; border-bottom: 1px solid rgba(255,255,255,0.08); background: radial-gradient(ellipse 320px 220px at 50% 44%, rgba(184,149,72,0.13) 0%, transparent 62%); }
.stage-meta { display: flex; align-items: center; gap: 9px; font-family: var(--font-body-en); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text-inverse-muted); white-space: nowrap; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 8px rgba(184,149,72,0.8); animation: demoDot 1.8s ease-in-out infinite; }

/* orb avatar */
.demo-avatar { width: 92px; height: 92px; position: relative; display: grid; place-items: center; }
.demo-avatar .ring { position: absolute; top: 50%; left: 50%; width: 92px; height: 92px; margin: -46px 0 0 -46px; border-radius: 50%; border: 1px solid rgba(184,149,72,0.35); opacity: 0; }
.demo-avatar.speaking .ring { animation: ripple 1.6s var(--ease-out-quart) infinite; }
.demo-avatar.speaking .ring.r2 { animation-delay: 0.5s; }
.demo-avatar.speaking .ring.r3 { animation-delay: 1s; }
@keyframes ripple { 0% { transform: scale(0.55); opacity: 0.7; } 100% { transform: scale(1.25); opacity: 0; } }
.demo-avatar .core {
  width: 58px; height: 58px; border-radius: 50%; position: relative;
  background: radial-gradient(circle at 38% 34%, #F0DFA8 0%, var(--color-accent) 46%, #8E6F2E 100%);
  box-shadow: 0 0 26px rgba(184,149,72,0.5), inset 0 0 14px rgba(255,255,255,0.18);
  animation: breathe 3.4s ease-in-out infinite; display: grid; place-items: center;
}
.demo-avatar.speaking .core { animation: breatheFast 0.9s ease-in-out infinite; }
@keyframes breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes breatheFast { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
/* waveform mouth */
.wave { display: flex; align-items: center; gap: 3px; height: 22px; }
.wave span { width: 3px; height: 5px; background: rgba(15,27,61,0.78); border-radius: 2px; }
.demo-avatar.speaking .wave span { animation: wv 0.6s ease-in-out infinite; }
.demo-avatar.speaking .wave span:nth-child(2) { animation-delay: 0.12s; }
.demo-avatar.speaking .wave span:nth-child(3) { animation-delay: 0.24s; }
.demo-avatar.speaking .wave span:nth-child(4) { animation-delay: 0.18s; }
.demo-avatar.speaking .wave span:nth-child(5) { animation-delay: 0.06s; }
@keyframes wv { 0%,100% { height: 5px; } 50% { height: 18px; } }

/* conversation thread */
.demo-thread { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; padding: 18px; display: flex; flex-direction: column; gap: 11px; }
.demo-thread::-webkit-scrollbar { width: 6px; }
.demo-thread::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 0; }
.msg { display: flex; }
.msg.ai { justify-content: flex-start; }
.msg.user { justify-content: flex-end; }
.msg .b { max-width: 84%; padding: 10px 14px; font-family: var(--font-body-jp); font-size: 13.5px; line-height: 1.72; }
.msg.ai .b { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: #fff; }
.msg.user .b { background: rgba(184,149,72,0.16); border: 1px solid rgba(184,149,72,0.32); color: #fff; }
.msg.ai .b.thinking::after { content: '考え中…'; color: var(--color-text-inverse-muted); }
.demo-caret { display: inline-block; width: 2px; height: 1em; background: var(--color-accent-light); vertical-align: -2px; margin-left: 1px; animation: caret 0.8s step-end infinite; }
@keyframes caret { 50% { opacity: 0; } }

.demo-input { flex: none; display: flex; gap: 8px; padding: 14px 18px; position: relative; border-top: 1px solid rgba(255,255,255,0.08); }
.demo-input input {
  flex: 1; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); border-radius: 0;
  color: #fff; padding: 11px 13px; font-family: var(--font-body-jp); font-size: 13.5px; outline: none; transition: border-color 0.2s;
}
.demo-input input::placeholder { color: rgba(203,213,225,0.6); }
.demo-input input:focus { border-color: var(--color-accent); }
.demo-input button { background: var(--color-accent); color: var(--color-primary); border: 0; width: 44px; flex: none; cursor: pointer; font-family: var(--font-display); font-size: 19px; line-height: 1; transition: background 0.25s; }
.demo-input button:hover { background: var(--color-accent-light); }
.demo-chips { flex: none; display: flex; gap: 8px; padding: 0 18px 18px; flex-wrap: wrap; position: relative; }
.demo-chip { background: transparent; border: 1px solid rgba(255,255,255,0.18); color: var(--color-text-inverse-muted); font-family: var(--font-body-jp); font-size: 12px; padding: 6px 12px; cursor: pointer; transition: all 0.25s; }
.demo-chip:hover { border-color: var(--color-accent); color: #fff; }

/* ============================================================
   Showcase — つくってきたもの
   ============================================================ */
.showcase-list { display: flex; flex-direction: column; gap: 80px; margin-top: 8px; }

.work {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.work.flip .work-media { order: 2; }
.work-index {
  font-family: var(--font-display); font-size: 15px; font-weight: 600; letter-spacing: 0.18em;
  color: var(--color-accent); margin-bottom: 14px;
  display: flex; align-items: center; gap: 14px;
}
.work-cat {
  font-family: var(--font-body-jp); font-size: 11.5px; font-weight: 500; letter-spacing: 0.06em;
  color: var(--color-primary); border: 1px solid var(--color-border); padding: 3px 11px; background: #fff;
}
.work-link-ext { font-family: var(--font-body-en); font-size: 14px; line-height: 1; }
.work-title {
  font-family: var(--font-heading-jp); font-size: 26px; font-weight: 600; line-height: 1.5;
  color: var(--color-primary); margin: 0 0 8px; letter-spacing: 0.01em;
}
.work-kicker {
  font-family: var(--font-body-en); font-size: 12px; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 18px;
}
.work-body { font-size: 15.5px; line-height: 1.95; color: var(--color-text-light); margin: 0 0 22px; }

.work-stat { display: flex; align-items: baseline; gap: 14px; margin: 0 0 22px; }
.work-stat .num {
  font-family: var(--font-display); font-weight: 700; font-size: 56px; line-height: 1;
  color: var(--color-primary); letter-spacing: 0.01em;
}
.work-stat .num .plus { color: var(--color-accent); }
.work-stat .stat-label { font-size: 13px; color: var(--color-text-muted); line-height: 1.5; }

.tech-row { display: flex; align-items: flex-start; gap: 12px; margin: 0 0 24px; flex-wrap: wrap; }
.tech-row .tech-label {
  font-family: var(--font-body-en); font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-text-muted); padding-top: 7px; flex: none;
}
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tag {
  font-family: var(--font-body-jp); font-size: 12px; letter-spacing: 0.04em; color: var(--color-primary);
  border: 1px solid var(--color-border); padding: 5px 12px; background: #fff;
}

.work-outcome {
  display: flex; gap: 12px; align-items: flex-start;
  border-left: 2px solid var(--color-accent); padding: 4px 0 4px 18px; margin: 0 0 22px;
}
.work-outcome .oc-arrow { font-family: var(--font-display); font-size: 18px; color: var(--color-accent); line-height: 1.5; flex: none; }
.work-outcome p { margin: 0; font-size: 14.5px; line-height: 1.8; color: var(--color-text); font-weight: 500; }

.work-links { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.work-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body-jp); font-size: 14px; font-weight: 600; color: var(--color-primary);
  border-bottom: 1.5px solid var(--color-accent); padding-bottom: 3px; transition: gap var(--t), color var(--t);
}
.work-link:hover { color: var(--color-accent); gap: 12px; }
.work-link .placeholder-tag {
  font-family: var(--font-body-en); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-text-muted); border: 1px dashed var(--color-border); padding: 2px 7px; border-bottom: 1px dashed var(--color-border);
}

/* media frame */
.work-media { position: relative; }
.media-frame { position: relative; }
.media-frame::before {
  content: ''; position: absolute; top: -12px; left: -12px; width: 64px; height: 64px;
  border-top: 1px solid var(--color-accent); border-left: 1px solid var(--color-accent); pointer-events: none; z-index: 2;
}
.media-frame::after {
  content: ''; position: absolute; bottom: -12px; right: -12px; width: 64px; height: 64px;
  border-bottom: 1px solid var(--color-accent); border-right: 1px solid var(--color-accent); pointer-events: none; z-index: 2;
}
.work-media image-slot { width: 100%; aspect-ratio: 4 / 3; box-shadow: var(--shadow-lg); }
.work.featured .work-media image-slot { aspect-ratio: 16 / 10; }
/* logo-only media frame — ロゴ画像を中央に収める（image-slot の代替） */
.logo-frame {
  width: 100%; aspect-ratio: 4 / 3; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  background: #f4f1ea; padding: 11% 13%; overflow: hidden;
}
.work.featured .logo-frame { aspect-ratio: 16 / 10; }
.logo-frame img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; display: block; }
.logo-frame-dark { background: radial-gradient(circle at 50% 42%, #123b23 0%, #07160d 100%); }
.media-caption {
  font-family: var(--font-body-en); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-text-muted); margin-top: 14px; text-align: right;
}

/* Featured work gets a navy panel feel via accent */
.work.featured .work-title { font-size: 28px; }

/* Other capabilities block */
.capabilities {
  margin-top: 80px; border-top: 1px solid var(--color-border); padding-top: 56px;
}
.capabilities h3 {
  font-family: var(--font-heading-jp); font-size: 21px; font-weight: 600; color: var(--color-primary);
  margin: 0 0 8px;
}
.capabilities .cap-kicker {
  font-family: var(--font-body-en); font-size: 12px; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 28px;
}
.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.cap-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cap-card {
  border: 1px solid var(--color-border); border-top: 3px solid var(--color-accent);
  padding: 30px 30px 32px; background: #fff; transition: transform var(--t), box-shadow var(--t);
}
.cap-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cap-card h4 { font-family: var(--font-heading-jp); font-size: 18px; font-weight: 600; color: var(--color-primary); margin: 0 0 14px; }
.cap-card ul { margin: 0; padding-left: 0; list-style: none; }
.cap-card li { position: relative; padding-left: 20px; font-size: 14.5px; line-height: 1.85; color: var(--color-text-light); }
.cap-card li::before { content: ''; position: absolute; left: 0; top: 13px; width: 7px; height: 1.5px; background: var(--color-accent); }

/* ============================================================
   Challenges — こんなお悩みはありませんか
   ============================================================ */
.concern-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; border-top: 1px solid var(--color-border); }
.concern { display: flex; gap: 16px; align-items: flex-start; padding: 26px 4px; border-bottom: 1px solid var(--color-border); }
.concern .cq { font-family: var(--font-display); font-size: 34px; font-weight: 700; line-height: 0.7; color: var(--color-accent); flex: none; margin-top: 8px; }
.concern p { margin: 0; font-family: var(--font-heading-jp); font-size: 17px; font-weight: 500; line-height: 1.75; color: var(--color-primary); }
.concern-close { margin: 40px 0 0; font-family: var(--font-body-jp); font-size: 16.5px; line-height: 1.95; color: var(--color-text-light); max-width: 44em; }
.concern-close { padding-left: 18px; border-left: 2px solid var(--color-accent); }
.sp-br { display: none; }
@media (max-width: 720px) { .sp-br { display: inline; } }

/* ============================================================
   Rights — IP・著作権について
   ============================================================ */
.rights-list { list-style: none; margin: 4px 0 0; padding: 0; max-width: 880px; border-top: 1px solid var(--color-border); }
.rights-list li { display: flex; gap: 18px; align-items: flex-start; padding: 22px 4px; border-bottom: 1px solid var(--color-border); }
.rights-list .rk { flex: none; width: 24px; height: 24px; margin-top: 1px; position: relative; }
.rights-list .rk::before { content: ''; position: absolute; left: 4px; top: 10px; width: 7px; height: 13px; border-right: 2px solid var(--color-accent); border-bottom: 2px solid var(--color-accent); transform: rotate(40deg); transform-origin: center; }
.rights-list p { margin: 0; font-size: 15.5px; line-height: 1.9; color: var(--color-text-light); }
.rights-list b { color: var(--color-primary); font-weight: 600; }

/* ============================================================
   Process — 進め方
   ============================================================ */
.process-list { list-style: none; margin: 4px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--color-border); }
.process-step { position: relative; padding: 34px 28px 36px 0; }
.process-step:not(:last-child) { border-right: 1px solid var(--color-border); padding-right: 28px; }
.process-step:not(:first-child) { padding-left: 28px; }
.process-step::before { content: ''; position: absolute; top: -1px; left: 0; width: 40px; height: 2px; background: var(--color-accent); }
.process-step:not(:first-child)::before { left: 28px; }
.ps-num { font-family: var(--font-display); font-size: 38px; font-weight: 600; color: var(--color-accent); line-height: 1; display: block; margin-bottom: 18px; letter-spacing: 0.02em; }
.ps-body h3 { font-family: var(--font-heading-jp); font-size: 18px; font-weight: 600; color: var(--color-primary); margin: 0 0 12px; }
.ps-body p { margin: 0; font-size: 13.5px; line-height: 1.85; color: var(--color-text-light); }

/* ============================================================
   Contact reply microcopy
   ============================================================ */
.contact-reply { display: flex; align-items: center; gap: 10px; margin: 18px 0 0; font-family: var(--font-body-jp); font-size: 13.5px; color: #fff; }
.contact-reply .cr-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 8px rgba(184,149,72,0.7); flex: none; }

/* ============================================================
   Team — 制作体制
   ============================================================ */
.team-wrap { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 60px; align-items: center; }
.team-photo { margin: 0; position: relative; }
.team-photo img { width: 100%; height: auto; display: block; aspect-ratio: 1479 / 1015; object-fit: cover; filter: grayscale(0.55) contrast(1.02); box-shadow: var(--shadow-lg); }
.team-photo::before { content: ''; position: absolute; top: -12px; left: -12px; width: 60px; height: 60px; border-top: 1px solid var(--color-accent); border-left: 1px solid var(--color-accent); z-index: 2; }
.team-photo::after { content: ''; position: absolute; bottom: -12px; right: -12px; width: 60px; height: 60px; border-bottom: 1px solid var(--color-accent); border-right: 1px solid var(--color-accent); z-index: 2; }
.team-body h2 { font-family: var(--font-heading-jp); font-size: 28px; font-weight: 600; line-height: 1.55; color: var(--color-primary); margin: 16px 0 24px; letter-spacing: 0.01em; }
.team-text { font-family: var(--font-body-jp); font-size: 15.5px; line-height: 1.95; color: var(--color-text-light); margin: 0 0 18px; max-width: 36em; }
.team-byline { display: flex; align-items: center; gap: 14px; margin: 26px 0 0; padding-top: 20px; border-top: 1px solid var(--color-border); }
.team-byline .tb-role { font-family: var(--font-display); font-size: 19px; font-weight: 600; color: var(--color-primary); letter-spacing: 0.02em; }
.team-byline .tb-sep { color: var(--color-accent); font-family: var(--font-display); font-size: 16px; }
.team-byline .tb-note { font-family: var(--font-body-jp); font-size: 13px; color: var(--color-text-muted); }

/* ============================================================
   Services — ご相談いただけること
   ============================================================ */
.service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; margin-top: 4px; border-top: 1px solid var(--color-border); }
.service-item {
  display: flex; gap: 22px; align-items: flex-start;
  padding: 30px 4px; border-bottom: 1px solid var(--color-border);
}
.service-item .si-num {
  font-family: var(--font-display); font-size: 19px; font-weight: 600; color: var(--color-accent);
  letter-spacing: 0.04em; flex: none; padding-top: 2px; min-width: 28px;
}
.service-item .si-text { font-family: var(--font-heading-jp); font-size: 18px; font-weight: 500; line-height: 1.7; color: var(--color-primary); }
.service-note {
  margin-top: 40px; display: flex; gap: 14px; align-items: flex-start;
  background: var(--color-bg); border: 1px solid var(--color-border); padding: 24px 26px;
}
.section-alt .service-note { background: #fff; }
.service-note .sn-mark { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--color-accent); line-height: 1; flex: none; }
.service-note p { margin: 0; font-size: 14.5px; line-height: 1.9; color: var(--color-text-light); }
.service-note b { color: var(--color-primary); font-weight: 600; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { margin-top: 8px; max-width: 860px; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-q {
  width: 100%; background: none; border: 0; cursor: pointer; text-align: left;
  display: flex; align-items: flex-start; gap: 18px; padding: 28px 8px;
  font-family: var(--font-body-jp); transition: padding var(--t), background var(--t);
}
.faq-item:hover .faq-q { background: var(--color-bg-subtle); padding-left: 18px; padding-right: 18px; }
.section-alt .faq-item:hover .faq-q { background: #fff; }
.faq-marker { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--color-accent); line-height: 1.2; flex: none; }
.faq-qtext { flex: 1; font-family: var(--font-heading-jp); font-size: 17px; font-weight: 500; color: var(--color-primary); line-height: 1.6; transition: color var(--t); padding-top: 1px; }
.faq-item:hover .faq-qtext { color: var(--color-accent); }
.faq-chev { font-family: var(--font-display); font-size: 22px; color: var(--color-text-muted); line-height: 1; transition: transform var(--t), color var(--t); flex: none; padding-top: 2px; }
.faq-item.open .faq-chev { color: var(--color-accent); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height 0.4s var(--ease-out-quart); }
.faq-a-inner {
  display: flex; gap: 18px; padding: 0 8px 28px;
}
.faq-a-inner .fa-marker { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--color-text-muted); line-height: 1.2; flex: none; }
.faq-a-inner p { margin: 0; font-size: 15px; line-height: 1.95; color: var(--color-text-light); flex: 1; }

/* ============================================================
   Company info
   ============================================================ */
.company-grid { max-width: 820px; border-top: 1px solid var(--color-border); margin-top: 8px; }
.company-row { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 24px 4px; border-bottom: 1px solid var(--color-border); }
.company-row dt { font-family: var(--font-body-en); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-muted); margin: 0; padding-top: 3px; }
.company-row dd { margin: 0; font-size: 15.5px; color: var(--color-text); line-height: 1.8; }
.company-row dd .jp-name { font-family: var(--font-heading-jp); font-size: 17px; font-weight: 600; }
.company-row dd a { font-weight: 500; border-bottom: 1px solid var(--color-accent); }
.company-note { margin-top: 26px; font-size: 13.5px; color: var(--color-text-muted); line-height: 1.85; display: flex; gap: 10px; }
.company-note .cn-mark { color: var(--color-accent); flex: none; }

/* ============================================================
   Contact
   ============================================================ */
.contact { position: relative; overflow: hidden; }
.contact-wrap { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }
.contact-aside .lede { font-size: 16px; line-height: 1.95; color: var(--color-text-inverse-muted); margin: 0 0 32px; }
.contact-aside .email-block { margin-top: 36px; }
.contact-aside .email-block .el { font-family: var(--font-body-en); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-accent-light); margin-bottom: 8px; }
.contact-aside .email-block a { font-family: var(--font-display); font-size: 26px; font-weight: 600; color: #fff; letter-spacing: 0.02em; border-bottom: 1px solid rgba(184,149,72,0.5); }
.contact-aside .email-block a:hover { color: var(--color-accent-light); }

.contact-form { background: #fff; padding: 44px 40px; box-shadow: var(--shadow-lg); }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-family: var(--font-body-jp); font-size: 13px; font-weight: 600; color: var(--color-primary); margin-bottom: 8px; letter-spacing: 0.02em; }
.field .req { color: var(--color-accent); margin-left: 5px; font-family: var(--font-display); }
.field .opt { color: var(--color-text-muted); margin-left: 6px; font-size: 11px; font-weight: 400; }
.field input, .field textarea {
  width: 100%; border: 1px solid var(--color-border); padding: 13px 15px; border-radius: 0;
  font-family: var(--font-body-jp); font-size: 14.5px; color: var(--color-text); background: #fff;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s; resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-accent-glow); }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 8px; flex-wrap: wrap; }
.form-foot .privacy { font-size: 12px; color: var(--color-text-muted); line-height: 1.6; max-width: 22em; }
.form-note { font-family: var(--font-body-en); font-size: 11px; letter-spacing: 0.06em; color: var(--color-text-muted); margin-top: 14px; display: flex; gap: 8px; align-items: center; }
.form-note .dash { width: 18px; height: 1px; background: var(--color-border); }
.form-success { display: none; padding: 18px 20px; background: var(--color-primary); color: #fff; font-size: 14px; margin-top: 18px; border-left: 3px solid var(--color-accent); }
.form-success.show { display: block; animation: fadeInUp 0.5s var(--ease-out-expo) both; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--color-primary); color: var(--color-text-inverse-muted); position: relative; }
.site-footer::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: min(240px, 44%); height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}
.site-footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 64px 28px 30px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand .brand-name { font-family: var(--font-display); font-weight: 700; font-size: 28px; color: #fff; }
.footer-brand .brand-name .dot { color: var(--color-accent); }
.footer-brand .brand-sub { font-family: var(--font-body-en); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--color-text-inverse-muted); opacity: 0.75; margin-top: 8px; }
.footer-brand .brand-desc { font-size: 13.5px; line-height: 1.85; color: var(--color-text-inverse-muted); margin-top: 18px; max-width: 30em; }
.footer-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-nav a { color: var(--color-text-inverse-muted); font-size: 13.5px; }
.footer-nav a:hover { color: var(--color-accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 22px; flex-wrap: wrap; }
.footer-bottom .copy { font-family: var(--font-body-en); font-size: 11px; letter-spacing: 0.06em; color: var(--color-text-muted); }
.footer-bottom .email { font-size: 13px; color: var(--color-text-inverse-muted); }
.footer-bottom .email a { color: var(--color-accent-light); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 940px) {
  .work, .cap-grid, .service-list, .contact-wrap, .concern-list, .team-wrap { grid-template-columns: 1fr; }
  .cap-grid-4 { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-step { padding: 30px 24px 32px; border-right: 1px solid var(--color-border) !important; border-bottom: 1px solid var(--color-border); }
  .process-step:nth-child(2n) { border-right: 0 !important; }
  .process-step, .process-step:not(:first-child) { padding-left: 0; }
  .process-step:not(:first-child)::before { left: 0; }
  .process-step:nth-child(n+3) { padding-top: 30px; }
  .lp-hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .lp-hero-text { max-width: 620px; }
  .lp-hero-demo { max-width: 480px; }
  .work { gap: 36px; }
  .work.flip .work-media { order: 0; }
  .work-media { max-width: 560px; }
  .contact-wrap { gap: 40px; }
  .service-item { padding: 24px 4px; }
}

@media (max-width: 720px) {
  .header-nav .links { display: none; }
  .header-cta { padding: 9px 16px; font-size: 12px; }
  .site-header-inner { padding: 14px 20px; }
  .section { padding: 72px 22px; }
  .hero-inner { padding: 108px 22px 96px; }
  .lp-hero-inner { padding: 60px 22px 68px; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 27px; }
  .showcase-list { gap: 64px; }
  .contact-form { padding: 30px 22px; }
  .contact-form .form-row { grid-template-columns: 1fr; gap: 0; }
  .company-row { grid-template-columns: 1fr; gap: 4px; }
  .company-row dt { padding-top: 0; }
  .team-wrap { gap: 36px; }
  .team-photo { max-width: 480px; }
  .footer-top { align-items: flex-start; }
  .concern p { font-size: 16px; }
  .cap-grid-4 { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .process-step { border-right: 0 !important; padding: 26px 0 28px; }
  .process-step:last-child { border-bottom: 0; }
  .ps-num { font-size: 32px; margin-bottom: 12px; }
  .team-body h2 { font-size: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   Tweak hooks
   ============================================================ */
body.bg-plain .section-alt { background: var(--color-bg); }
body.bg-plain .section-alt .service-note { background: var(--color-bg-subtle); }