/* ============================================================
   common.css — Metrica shared styles (LP + SEO pages)
   ============================================================ */

/* ── CSS VARIABLES ── */
:root {
  --green: #4CAF82;
  --green-dark: #2D8B5E;
  --green-pale: #E8F5EE;
  --green-softer: #F0F9F4;
  --teal: #3AAFA9;
  --teal-bright: #2DE1C2;
  --teal-soft: #E6F7F5;
  --dark: #152A1E;
  --cream: #FDF9F3;
  --warm: #FAFCFA;
  --white: #FFF;
  --td: #1A2E22;
  --tb: #4A6B58;
  --tm: #8AAA98;
  --border: #DEE9E2;
  --purple: #7C3AED;
  --blue: #3B82F6;
  --orange: #F59E0B;
  --red: #DC2626;
  --grad-brand: linear-gradient(135deg, #3AAFA9 0%, #5CB97A 100%);
  --grad-hero: linear-gradient(160deg, #F0F9F4 0%, #E6F7F5 40%, #FAFCFA 100%);
  --grad-cta: linear-gradient(160deg, #E8F5EE 0%, #E0F4F0 50%, #F0F9F4 100%);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--warm);
  color: var(--td);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

/* ── HEADER (default: solid white, SEO pages) ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 40px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,.05);
  transition: background .3s, box-shadow .3s;
}

/* LP transparent header override */
.header--transparent {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}
.header--transparent.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,.05);
}

/* Logo */
.logo {
  text-decoration: none;
  display: flex; align-items: center;
}
.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800; font-size: 22px;
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-img {
  height: 28px; width: auto;
  transition: all .3s;
}

/* Nav */
.nav-links {
  display: flex; gap: 28px; align-items: center; list-style: none;
}
.nav-links a {
  font-size: .8rem; color: var(--tb); text-decoration: none;
  font-weight: 500; transition: color .3s;
}
.nav-links a:hover { color: var(--teal); }

/* LP transparent nav override */
.header--transparent .nav-links a {
  color: rgba(255,255,255,.8);
}
.header--transparent .nav-links a:hover { color: #fff; }
.header--transparent.scrolled .nav-links a { color: var(--tb); }

/* Nav CTA */
.nav-cta {
  font-size: .78rem; padding: 10px 22px;
  background: var(--grad-brand); color: #fff;
  border-radius: 50px; text-decoration: none; font-weight: 600;
  transition: all .3s; border: none;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(58,175,169,.3);
}

/* LP transparent nav-cta override */
.header--transparent .nav-cta {
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
}
.header--transparent .nav-cta:hover {
  background: rgba(255,255,255,.3);
}
.header--transparent.scrolled .nav-cta {
  background: var(--grad-brand);
  color: #fff;
  border: none;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 16px 32px;
  font-size: .92rem; font-weight: 600;
  border-radius: 50px; text-decoration: none;
  transition: all .3s;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer; border: none;
}
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn-brand {
  background: var(--grad-brand); color: #fff;
  box-shadow: 0 4px 20px rgba(58,175,169,.3);
}
.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(58,175,169,.4);
}
.btn-outline {
  background: rgba(255,255,255,.15); color: #fff;
  border: 1.5px solid rgba(255,255,255,.4);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,.25);
  border-color: rgba(255,255,255,.6);
}

/* ── TAGS ── */
.tag {
  display: inline-block;
  font-size: 11px; padding: 4px 12px;
  border-radius: 20px; font-weight: 600;
}
.tag-hourly { background: var(--teal-soft); color: var(--teal); }
.tag-monthly { background: var(--green-pale); color: var(--green-dark); }
.tag-fee { background: #FFF3E0; color: #D47400; }
.tag-live { background: var(--green-pale); color: var(--green-dark); }
.tag-soon { background: #FFF3E0; color: #D47400; }
.tag-beta { background: #E8F0FE; color: #1967D2; }

/* ── SECTION BASE ── */
.section {
  padding: 56px 40px;
}
.section-inner {
  max-width: 1100px; margin: 0 auto;
}
.section-white { background: var(--white); }
.section-warm { background: var(--warm); }
.section-cream { background: var(--cream); }
.section-green { background: var(--green-softer); }

.section-title {
  font-size: 20px; font-weight: 800;
  margin-bottom: 8px; color: var(--td);
}
.section-sub {
  color: var(--tb); font-size: 14px; margin-bottom: 28px;
}

/* ── APP BANNER (CTA block) ── */
.app-banner {
  background: var(--grad-cta);
  border: 1px solid rgba(58,175,169,.15);
  border-radius: 24px;
  padding: 52px 40px;
  text-align: center;
  margin: 20px 0;
  position: relative;
  overflow: hidden;
}
.app-banner::before {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(58,175,169,.08), transparent 65%);
  pointer-events: none;
}
.app-banner h2 {
  font-size: 26px; font-weight: 900;
  margin-bottom: 12px; color: var(--td);
  position: relative;
}
.app-banner h2 .accent {
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.app-banner p {
  color: var(--tb); margin-bottom: 28px;
  font-size: 14px; position: relative;
}
.app-badges {
  display: flex; gap: 12px;
  justify-content: center; flex-wrap: wrap;
  position: relative;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad-brand); color: #fff;
  padding: 14px 28px; border-radius: 50px;
  font-weight: 700; font-size: 14px;
  text-decoration: none; transition: all .3s;
  box-shadow: 0 4px 20px rgba(58,175,169,.25);
}
.badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(58,175,169,.35);
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 44px 40px;
  text-align: center;
  background: var(--white);
}
.footer-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 800; font-size: 18px;
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.footer-links {
  display: flex; gap: 24px;
  justify-content: center; margin-bottom: 16px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 12px; color: var(--tm);
  text-decoration: none; transition: color .3s;
}
.footer-links a:hover { color: var(--teal); }
.footer-copy {
  font-size: 11px; color: var(--tm);
  font-family: 'Outfit', sans-serif;
}
.footer-source {
  color: var(--tm); font-size: 10px;
  margin-top: 16px; line-height: 1.8;
}

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
}

/* ── RESPONSIVE BASE ── */
@media (max-width: 900px) {
  .header { padding: 14px 20px; }
  .nav-links { display: none; }
  .section { padding: 40px 20px; }
  .app-banner { padding: 36px 20px; }
}
@media (max-width: 500px) {
  .btn { width: 100%; max-width: 280px; }
}