:root {
  --ink: #16171c;
  --muted: #5f6470;
  --paper: #ffffff;
  --soft: #f7f3f5;
  --rose: #9f7088;
  --rose-dark: #5d3145;
  --navy: #162136;
  --gold: #d8aa4a;
  --border: #e5dce1;
  --shadow: 0 18px 46px rgba(22, 23, 28, 0.16);
  --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font-family: var(--font-main); line-height: 1.8; background: var(--soft); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  min-height: 68px;
  padding: 0 clamp(18px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid rgba(22,23,28,0.08);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-accent); font-weight: 900; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 8px; background: var(--rose-dark); color: #fff; }
.site-nav { display: flex; gap: 22px; font-size: 0.92rem; font-weight: 800; }
.site-nav a:hover { color: var(--rose); }

.hero {
  min-height: 92vh;
  position: relative;
  display: grid;
  align-items: end;
  padding: 120px clamp(20px, 5vw, 72px) 76px;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22,33,54,0.9), rgba(22,33,54,0.6) 48%, rgba(22,33,54,0.16)), url('assets/softlife-hero.jpg') center / cover no-repeat;
  transform: scale(1.02);
}
.hero-content { position: relative; width: min(740px, 100%); }
.eyebrow,
.section-kicker { margin: 0 0 10px; color: var(--gold); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.16em; }
.hero h1 { margin: 0; font-family: var(--font-accent); font-size: clamp(2.25rem, 7vw, 5.2rem); line-height: 1.12; letter-spacing: 0; }
.lead { width: min(640px, 100%); margin: 22px 0 0; font-size: clamp(1rem, 2vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.primary-btn,
.secondary-btn { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 12px 22px; border-radius: 8px; font-weight: 900; }
.primary-btn { background: var(--rose); color: #fff; }
.secondary-btn { border: 1px solid rgba(255,255,255,0.72); color: #fff; }

.section { padding: clamp(64px, 9vw, 112px) 0; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.section-heading { width: min(780px, 100%); margin-bottom: 36px; }
h2 { margin: 0; font-family: var(--font-accent); font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.32; color: var(--navy); }
.section-heading p,
.corporate-grid p,
.company p { color: var(--muted); margin: 16px 0 0; }

.issues { background: #fff; }
.issue-list { display: grid; gap: 24px; }
.issue-card {
  display: grid;
  grid-template-columns: 42% 1fr;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.issue-card.reverse { grid-template-columns: 1fr 42%; }
.issue-card.reverse img { order: 2; }
.issue-card img { width: 100%; height: 100%; min-height: 310px; object-fit: cover; }
.issue-card div { padding: clamp(24px, 4vw, 44px); }
.issue-card span,
.reason-grid span { color: var(--rose); font-weight: 900; font-size: 1.9rem; opacity: 0.55; }
.issue-card h3 { margin: 4px 0 12px; color: var(--navy); font-size: 1.42rem; line-height: 1.45; }
.issue-card p { margin: 0; color: var(--muted); }

.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.reason-grid article {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(22,23,28,0.08);
}
.reason-grid h3 { margin: 4px 0 10px; color: var(--navy); }
.reason-grid p { margin: 0; color: var(--muted); font-size: 0.94rem; }

.corporate { background: var(--navy); color: #fff; }
.corporate h2 { color: #fff; }
.corporate-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(30px, 6vw, 72px); }
.corporate-grid p { color: rgba(255,255,255,0.84); }
.company-list { padding: 18px; border-radius: 8px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); }

.company { background: #fff; }
.company-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 32px; align-items: start; }
.company-card { background: var(--soft); border: 1px solid var(--border); border-radius: 8px; padding: 28px; }
.company-card dl { margin: 0; }
.company-card div { margin-bottom: 16px; }
.company-card dt { color: var(--muted); font-size: 0.84rem; font-weight: 800; }
.company-card dd { margin: 0; color: var(--navy); font-weight: 900; }

.site-footer { min-height: 72px; padding: 18px clamp(20px, 5vw, 72px); display: flex; justify-content: space-between; gap: 16px; align-items: center; color: #fff; background: var(--navy); }
.site-footer p { margin: 0; }
.site-footer a { text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 880px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 12px 18px; }
  .site-nav { width: 100%; gap: 14px; overflow-x: auto; font-size: 0.84rem; }
  .hero { min-height: 88vh; padding-top: 128px; }
  .issue-card,
  .issue-card.reverse,
  .reason-grid,
  .corporate-grid,
  .company-grid { grid-template-columns: 1fr; }
  .issue-card.reverse img { order: 0; }
  .hero-actions a { width: 100%; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}