/* ==========================================================================
   Components
   全ページ共通の再利用パーツ。新規ページ（料金・FAQ・診断・ブログ等）を
   追加する際は、ここにあるクラスを優先的に再利用すること。
   ========================================================================== */

/* --- Site Header ---------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: background-color var(--dur-fast) var(--ease-out), padding var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(250, 249, 245, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--color-line);
  padding: var(--space-3) 0;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.site-header__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}
.site-header__brand small {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  color: var(--color-ink-faint);
  letter-spacing: 0.02em;
}
.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.site-header__links {
  display: flex;
  gap: var(--space-5);
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
}
.site-header__links a {
  color: var(--color-ink-soft);
  transition: color var(--dur-fast) var(--ease-out);
}
.site-header__links a:hover { color: var(--color-ink); }

@media (max-width: 760px) {
  .site-header__links { display: none; }
  .site-header__nav { gap: var(--space-3); }
}

/* --- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.9em 1.7em;
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.btn--primary {
  background: var(--color-ink);
  color: var(--color-paper);
  border: 1px solid var(--color-ink);
}
.btn--primary:hover { background: var(--color-navy-deep); box-shadow: 0 10px 24px -12px rgba(20,23,28,0.5); }

.btn--gold {
  background: var(--color-gold-bright);
  color: var(--color-navy-deep);
  border: 1px solid var(--color-gold-bright);
}
.btn--gold:hover { background: #e2bb54; }

.btn--ghost {
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
  opacity: 0.85;
}
.btn--ghost:hover { opacity: 1; }

.btn--sm { padding: 0.65em 1.3em; }

/* --- Kicker / Eyebrow ---------------------------------------------------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-kicker);
  color: var(--color-ink-faint);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.kicker::before {
  content: "";
  width: 24px; height: 1px;
  background: currentColor;
}
.section--dark .kicker { color: var(--color-on-navy-soft); }

/* --- Section shells ---------------------------------------------------- */
.section { padding: var(--space-9) 0; }
.section--tight { padding: var(--space-7) 0; }
.section--dark {
  background: var(--color-navy);
  color: var(--color-on-navy);
}

/* --- Reveal-on-scroll utility ---------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* --- Timeline (How it works) ---------------------------------------------------- */
.timeline { display: flex; flex-direction: column; }
.timeline__item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
  position: relative;
}
.timeline__item:last-child { border-bottom: 1px solid var(--color-line); }
.timeline__num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-gold);
}
.timeline__body h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.timeline__body p { color: var(--color-ink-soft); max-width: 32rem; }

@media (min-width: 761px) {
  .timeline__item:nth-child(even) .timeline__body { margin-left: 12%; }
}

/* --- Value tags (typographic word composition) ---------------------------------------------------- */
.value-tags { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-5); align-items: baseline; }
.value-tag { font-family: var(--font-serif); color: var(--color-ink); }
.value-tag--lg { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.8rem); }
.value-tag--md { font-size: clamp(1.2rem, 1rem + 1vw, 1.7rem); color: var(--color-ink-soft); }
.value-tag--sm { font-size: 1.05rem; color: var(--color-ink-faint); }
.value-tag--accent { color: var(--color-gold); }

/* --- Roadmap (Manual evolves) ---------------------------------------------------- */
.roadmap { position: relative; }
.roadmap__track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}
.roadmap__track::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--color-line-on-navy);
}
.roadmap__item { position: relative; padding-left: var(--space-6); }
.roadmap__item::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--color-navy);
  border: 2px solid var(--color-gold);
}
.roadmap__version {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}
.roadmap__item p { color: var(--color-on-navy-soft); max-width: 30rem; }

@media (min-width: 761px) {
  .roadmap__track { flex-direction: row; gap: var(--space-6); }
  .roadmap__track::before { left: 8px; right: 8px; top: 7px; bottom: auto; width: auto; height: 1px; }
  .roadmap__item { flex: 1; padding-left: var(--space-5); }
}

/* --- Site Footer ---------------------------------------------------- */
.site-footer {
  background: var(--color-navy-deep);
  color: var(--color-on-navy-soft);
  padding: var(--space-8) 0 var(--space-5);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-6);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-line-on-navy);
}
.site-footer__brand { font-family: var(--font-serif); color: var(--color-on-navy); font-size: 1.1rem; }
.site-footer__lead { margin-top: var(--space-3); font-size: var(--fs-small); max-width: 24rem; }
.site-footer__heading {
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  color: var(--color-on-navy);
  margin-bottom: var(--space-4);
}
.site-footer__links { display: flex; flex-direction: column; gap: var(--space-3); font-size: var(--fs-small); }
.site-footer__links a { transition: color var(--dur-fast) var(--ease-out); }
.site-footer__links a:hover { color: var(--color-on-navy); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-size: var(--fs-small);
  color: var(--color-on-navy-soft);
}
.site-footer__bottom a:hover { color: var(--color-on-navy); }

@media (max-width: 760px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; row-gap: var(--space-6); }
  .site-footer__brand-col { grid-column: 1 / -1; }
}

/* --- Abstract motif utilities (for inline SVG decoration) ---------------------------------------------------- */
.motif-line { fill: none; stroke: var(--color-ink); stroke-opacity: 0.1; }
.motif-line--soft { stroke-opacity: 0.06; }
.motif-line--dashed { stroke-dasharray: 2 7; stroke-opacity: 0.22; }
.motif-gold { stroke: var(--color-gold); }
.motif-navy { stroke: var(--color-navy); }
.motif-dot { fill: var(--color-gold); }
.motif-dot--ink { fill: var(--color-ink); fill-opacity: 0.35; }
.motif-on-navy { stroke: var(--color-on-navy); stroke-opacity: 0.16; }
.motif-on-navy-gold { stroke: var(--color-gold); stroke-opacity: 0.7; }

/* --- Prose (legal / long-form pages) ---------------------------------------------------- */
.prose { max-width: var(--prose-max); }
.prose h2 { font-size: var(--fs-h3); margin-top: var(--space-7); margin-bottom: var(--space-3); }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--color-ink-soft); margin-bottom: var(--space-4); }
.prose ul, .prose ol { margin-bottom: var(--space-4); }
.prose li { color: var(--color-ink-soft); padding-left: 1.2em; position: relative; margin-bottom: var(--space-2); }
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--color-ink-faint); }

.notice {
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-gold);
  padding: var(--space-4) var(--space-5);
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  background: var(--color-surface);
  margin-bottom: var(--space-6);
}

.tbd {
  color: var(--color-ink-faint);
  border-bottom: 1px dashed var(--color-ink-faint);
}

.legal-table { width: 100%; border-collapse: collapse; margin-bottom: var(--space-6); }
.legal-table th, .legal-table td {
  text-align: left;
  padding: var(--space-4) var(--space-4) var(--space-4) 0;
  border-top: 1px solid var(--color-line);
  vertical-align: top;
  font-size: var(--fs-small);
}
.legal-table th { width: 32%; color: var(--color-ink-faint); font-weight: 500; }
.legal-table tr:last-child th, .legal-table tr:last-child td { border-bottom: 1px solid var(--color-line); }