/* commondx.com — 診断ツール的・明快。白基調 × 単色アクセント（緑）、余白広め、図表中心 */
:root {
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-head: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-num: "Inter", system-ui, sans-serif;
  --c-bg: #ffffff;
  --c-surface: #ffffff;
  --c-text: #1d2624;
  --c-muted: #5f6b68;
  --c-border: #dfe6e4;
  --c-accent: #0f8a6c;
  --c-accent-dark: #0b3d33;
  --c-tint: #eef6f3;
  --c-on-accent: #ffffff;
  --c-link: #0b6f57;
  --c-focus: #0f8a6c;
  --radius: 999px;
  --container: 1040px;
  --section-pad: clamp(72px, 10vw, 136px);
  --lh-body: 1.95;
}

.eyebrow { font-family: var(--font-num); font-weight: 600; font-size: 0.8125rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 10px; }
.section-title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.125rem); font-weight: 700; margin-bottom: 20px; }
.section-lead { font-size: 1.0625rem; max-width: 40em; margin-bottom: 48px; }
.section-alt { background: var(--c-tint); }
.section-rule { border-top: 1px solid var(--c-border); }
.narrow-left { --container: 1040px; }
.narrow-left > * { max-width: 44em; }

/* ヘッダー */
.site-header { background: #fff; }
.header-inner { min-height: 76px; }
.brand-text { font-family: var(--font-num); font-weight: 600; font-size: 1.25rem; letter-spacing: -0.01em; color: var(--c-accent-dark); }
.brand-text b { color: var(--c-accent); font-weight: 700; }
.site-nav a:not(.btn) { font-size: 0.9375rem; color: var(--c-text); }
.site-nav a:not(.btn):hover { color: var(--c-accent); }

/* ヒーロー */
.hero { padding-block: clamp(48px, 9vw, 128px) clamp(64px, 9vw, 128px); border-bottom: 1px solid var(--c-border); }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.5fr 1fr; } }
.hero h1 { font-size: clamp(1.75rem, 1.25rem + 2.2vw, 3rem); font-weight: 700; line-height: 1.45; }
.hero .lead { margin-top: 24px; color: var(--c-muted); }
.hero-actions { margin-top: 36px; }
.hero-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-facts > div { border: 1px solid var(--c-border); border-radius: 16px; padding: 24px 20px; text-align: center; }
.hero-facts dt { font-size: 0.8125rem; color: var(--c-muted); }
.hero-facts dd { font-weight: 700; font-size: 1.125rem; }
.hero-facts .num { font-family: var(--font-num); font-size: 4rem; line-height: 1.1; color: var(--c-accent); margin-right: 2px; }

/* 図: 5つの数字 → 診断 → わかること */
.diagram { display: grid; gap: 12px; align-items: center; justify-items: center; }
@media (min-width: 860px) { .diagram { grid-template-columns: 1.2fr 48px 0.8fr 48px 1.2fr; } }
.dg-block { width: 100%; border: 1px solid var(--c-border); border-radius: 20px; padding: 24px; text-align: center; }
.dg-caption { font-weight: 700; margin-bottom: 14px; }
.dg-chips { display: flex; justify-content: center; gap: 8px; }
.dg-chips li { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-num); font-weight: 700; color: var(--c-accent); border: 2px solid var(--c-accent); }
.dg-core { background: var(--c-accent); color: #fff; border-color: var(--c-accent); border-radius: 50%; aspect-ratio: 1; max-width: 168px; display: grid; place-content: center; }
.dg-core-label { font-size: 1.5rem; font-weight: 700; }
.dg-core-time { font-size: 0.875rem; opacity: 0.9; }
.dg-outputs ul { display: grid; gap: 8px; list-style: none; padding: 0; }
.dg-outputs li { background: var(--c-tint); border-radius: 999px; padding: 6px 14px; font-size: 0.9375rem; font-weight: 500; }
.dg-arrow { width: 2px; height: 32px; background: var(--c-accent); position: relative; }
.dg-arrow::after { content: ""; position: absolute; left: 50%; bottom: -2px; border: 7px solid transparent; border-top-color: var(--c-accent); transform: translate(-50%, 50%); }
@media (min-width: 860px) {
  .dg-arrow { width: 100%; height: 2px; }
  .dg-arrow::after { left: auto; right: -2px; bottom: 50%; border-top-color: transparent; border-left-color: var(--c-accent); transform: translate(50%, 50%); }
}

/* わかること */
.result { background: #fff; border-radius: 20px; padding: 32px 28px; }
.result-fig { width: 120px; height: 64px; margin-bottom: 24px; }
.result h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }

/* 診断のあと */
.timeline { display: grid; gap: 12px; }
@media (min-width: 760px) { .timeline { grid-template-columns: repeat(4, 1fr); } }
.timeline li { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border: 1px solid var(--c-border); border-radius: 16px; }
.tl-no { font-family: var(--font-num); font-weight: 700; font-size: 1.5rem; color: var(--c-accent); }
.tl-text { font-weight: 700; }

.why-lead { font-size: clamp(1.125rem, 1rem + 0.6vw, 1.375rem); font-weight: 700; margin-bottom: 16px; }

/* CTA */
.cta-band { background: var(--c-accent-dark); color: #fff; padding-block: clamp(48px, 7vw, 80px); }
.cta-inner { display: grid; gap: 20px; align-items: center; justify-items: start; }
@media (min-width: 820px) { .cta-inner { grid-template-columns: 1fr auto; } }
.cta-band h2 { font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); font-weight: 700; }
.cta-band .btn-primary { background: #fff; color: var(--c-accent-dark); }

/* 運営会社（要約） */
.company-summary { display: grid; gap: 28px; }
@media (min-width: 900px) { .company-summary { grid-template-columns: 1fr 1.2fr; } .company-summary .actions { grid-column: 1 / -1; } }
.company-summary h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.summary-list > div { display: grid; grid-template-columns: 6em 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--c-border); }
.summary-list dt { color: var(--c-muted); }
.link-hq { font-weight: 700; }
.btn-outline { color: var(--c-accent-dark); }

/* 下層ページ */
.page-head { padding-block: clamp(48px, 7vw, 96px) clamp(24px, 4vw, 40px); }
.page-head h1 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); font-weight: 700; }
.page-head .lead { margin-top: 12px; color: var(--c-muted); }
.section-tight { padding-block: clamp(24px, 4vw, 48px) clamp(64px, 8vw, 112px); }
.hq-box { background: var(--c-tint); border-radius: 20px; padding: clamp(24px, 4vw, 40px); margin-bottom: 56px; }
.hq-box h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.hq-action { margin-top: 20px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.hq-url { font-size: 0.875rem; color: var(--c-muted); }
.table-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.req { border-radius: 999px; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field select, .field textarea { border-radius: 12px; }

/* フッター */
.site-footer { background: var(--c-tint); color: var(--c-text); margin-top: 0; }
.footer-brand { font-family: var(--font-num); }
.footer-hq { font-weight: 700; }
.copyright { color: var(--c-muted); border-top: 1px solid var(--c-border); }