/* 
  Selforward Global Styles
  Theme: Premium, Trustworthy, Apple-inspired | Crimson Accent
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');

:root {
  --color-bg: #FFFFFF;
  --color-text: #1d1d1f;
  --color-text-light: #86868b;
  --color-primary: #dc143c;
  --color-primary-dark: #b01030;
  --color-accent: #dc143c;
  --color-gray-100: #f5f5f7;

  --font-main: 'Noto Sans JP', "SF Pro Text", "Helvetica Neue", sans-serif;
  --font-heading: 'Noto Sans JP', "SF Pro Display", "Helvetica Neue", sans-serif;

  --section-padding: 120px 20px;
  --container-width: 980px;

  --transition-fast: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-smooth: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  letter-spacing: 0.02em;
  word-break: auto-phrase;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  animation: pageLoad 0.8s forwards ease-out;
}

@keyframes pageLoad {
  to { opacity: 1; }
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-fast);
}
a:hover { opacity: 0.7; }

ul { list-style: none; }

img {
  max-width: 100%;
  display: block;
}

/* ─── Layout ─────────────────────────────────── */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Typography ──────────────────────────────── */
.section-title {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  text-align: center;
}

.section-desc {
  font-size: 18px;
  line-height: 1.7;
  font-weight: 400;
  color: var(--color-text-light);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

/* ─── Header ──────────────────────────────────── */
.global-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: 64px;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: box-shadow 0.3s;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.global-nav {
  display: flex;
  gap: 32px;
}

.global-nav a {
  font-size: 14px;
  color: #444;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  border-radius: 8px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  position: relative;
}

.global-nav a::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.global-nav a.active::after { width: calc(100% - 28px); }
.global-nav a.active { color: var(--color-primary); font-weight: 700; }
.global-nav a:hover {
  color: var(--color-primary);
  background-color: rgba(220, 20, 60, 0.05);
  opacity: 1;
}

.logo {
  display: flex;
  align-items: center;
  margin-right: 16px;
}

.header-cta {
  font-size: 13px;
  padding: 9px 22px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ─── Mobile Menu ─────────────────────────────── */
.mobile-floating-cta { display: none; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 10000;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #333;
  margin: 5px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .global-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: calc(100vh - 64px);
    background: rgba(255, 255, 255, 0.99);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    gap: 0;
    clip-path: circle(0% at top right);
    transition: clip-path 0.5s ease-in-out;
    pointer-events: none;
  }
  .global-nav.nav-open {
    clip-path: circle(150% at top right);
    pointer-events: auto;
  }
  .global-nav a {
    font-size: 20px;
    font-weight: 600;
    padding: 20px 40px;
    width: 100%;
    text-align: center;
    border-radius: 0;
  }
  .global-nav a::after { display: none; }

  body.nav-open-state .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open-state .menu-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open-state .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  body.nav-open-state { overflow: hidden; }

  .header-cta { display: none; }

  .mobile-floating-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    width: 90%;
    max-width: 400px;
  }
  .mobile-floating-cta-micro {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.95);
    padding: 4px 16px;
    border-radius: 20px;
    margin-bottom: -12px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }
  .mobile-floating-cta-btn {
    width: 100%;
    text-align: center;
    padding: 18px;
    font-size: 18px;
    box-shadow: 0 8px 24px rgba(220,20,60,0.4);
  }
  body { padding-bottom: 90px; }

  .container, section {
    padding-left: 5% !important;
    padding-right: 5% !important;
  }
  .section-title { font-size: 28px !important; margin-bottom: 20px !important; }
  .section-desc { font-size: 15px !important; }
  h3 { font-size: 22px !important; }
  h4 { font-size: 18px !important; }
  body, p, .flow-text, .qa-a { font-size: 15px !important; line-height: 1.85 !important; }
}

/* ─── Footer ──────────────────────────────────── */
.global-footer {
  background: var(--color-gray-100);
  padding: 80px 0 40px;
  font-size: 12px;
  color: var(--color-text-light);
}
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.copyright { text-align: center; }

/* ─── Animations ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Button ──────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--color-primary);
  color: white;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(220,20,60,0.35);
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.03);
  box-shadow: 0 8px 20px rgba(220,20,60,0.45);
  opacity: 1;
}

/* ─── Utility ─────────────────────────────────── */
.pc-only { display: inline; }
@media (max-width: 768px) { .pc-only { display: none; } }