/* =========================================================
   Tsumugi Systems — Global Stylesheet
   和モダン: 深い藍 × 茜 × 生成り
   ========================================================= */

:root {
  /* Color tokens */
  --color-ink: #2a2a2a;
  --color-ink-soft: #6b6b6b;
  --color-indigo: #1e3a5f;
  --color-indigo-deep: #142a47;
  --color-akane: #a23f3f;
  --color-akane-soft: #c66060;
  --color-paper: #faf7f2;
  --color-paper-deep: #f0ebe0;
  --color-line: #d4cdc1;
  --color-line-soft: #e8e2d6;
  --color-white: #ffffff;
  --color-gold: #b08d57;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 880px;

  /* Type */
  --font-serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --font-sans: "Noto Sans JP", "Yu Gothic", "游ゴシック", sans-serif;
  --font-latin: "Cormorant Garamond", "Noto Serif JP", serif;

  /* Misc */
  --shadow-soft: 0 6px 28px -12px rgba(20, 42, 71, 0.18);
  --shadow-card: 0 2px 12px -4px rgba(20, 42, 71, 0.08);
  --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-feature-settings: "palt";
  font-size: 1rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-akane);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.display {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--color-indigo-deep);
  margin: 0;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-indigo-deep);
  margin: 0 0 var(--space-md);
}

.section-heading::after {
  content: "";
  display: block;
  width: 3rem;
  height: 2px;
  background: var(--color-akane);
  margin-top: var(--space-md);
}

.card-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-indigo-deep);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.03em;
}

.lead {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--color-ink);
}

.muted { color: var(--color-ink-soft); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section-paper-deep { background: var(--color-paper-deep); }
.section-white { background: var(--color-white); }

.section-head {
  margin-bottom: var(--space-lg);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line-soft);
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-serif);
  color: var(--color-indigo-deep);
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--color-akane);
  color: var(--color-akane);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0;
  border-radius: 2px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1;
  white-space: nowrap;
}

.brand-name .latin {
  font-family: var(--font-latin);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  font-size: 0.93rem;
  color: var(--color-ink);
  letter-spacing: 0.05em;
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-links a:hover { color: var(--color-akane); }

.nav-links a.is-current {
  color: var(--color-indigo-deep);
}

.nav-links a.is-current::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-akane);
}

.nav-cta {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: 2px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-ink);
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--color-ink);
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.95rem 2rem;
  border-radius: 2px;
  transition: all var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-akane);
  color: var(--color-paper);
}
.btn-primary:hover {
  background: var(--color-indigo-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.btn-secondary {
  background: transparent;
  color: var(--color-indigo-deep);
  border-color: var(--color-indigo);
}
.btn-secondary:hover {
  background: var(--color-indigo-deep);
  color: var(--color-paper);
}

.btn-on-dark {
  background: var(--color-paper);
  color: var(--color-indigo-deep);
}
.btn-on-dark:hover {
  background: var(--color-akane);
  color: var(--color-paper);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--color-indigo-deep);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.btn-arrow::after {
  content: "→";
  font-family: var(--font-latin);
  transition: transform var(--transition);
}

.btn-arrow:hover { color: var(--color-akane); }
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- Hero (top) ---------- */
.hero {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
  background: var(--color-paper);
}

.hero-bg-glyph {
  position: absolute;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28rem, 60vw, 48rem);
  color: var(--color-line-soft);
  opacity: 0.6;
  top: 50%;
  right: -8%;
  transform: translateY(-50%);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.hero-eyebrow-row .rule {
  width: 3rem;
  height: 1px;
  background: var(--color-akane);
}

.hero-lead {
  max-width: 640px;
  margin-top: var(--space-md);
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--color-ink);
}

.hero-ctas {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.hero-note {
  margin-top: var(--space-md);
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.08em;
}

.hero-note::before {
  content: "※ ";
  color: var(--color-akane);
}

/* ---------- Page hero (sub pages) ---------- */
.page-hero {
  position: relative;
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--color-paper-deep);
  overflow: hidden;
  border-bottom: 1px solid var(--color-line-soft);
}

.page-hero-bg {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 22rem;
  color: var(--color-line);
  opacity: 0.35;
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.page-hero-inner { position: relative; z-index: 1; }

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--color-indigo-deep);
  margin: 0;
}

.page-hero p {
  max-width: 640px;
  margin: var(--space-md) 0 0;
  color: var(--color-ink);
  font-size: 1.05rem;
  line-height: 1.9;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  border-radius: 4px;
  padding: var(--space-md);
  transition: all var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: var(--color-line);
}

.card-number {
  font-family: var(--font-latin);
  font-size: 1.8rem;
  color: var(--color-akane);
  line-height: 1;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Concerns list (お悩みリスト) ---------- */
.concerns {
  list-style: none;
  padding: 0;
  margin: 0;
}

.concerns li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line-soft);
  align-items: start;
}

.concerns li:first-child { padding-top: 0; }
.concerns li:last-child { border-bottom: none; }

.concerns .num {
  font-family: var(--font-latin);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-akane);
  line-height: 1;
  letter-spacing: 0.02em;
}

.concerns .ctitle {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-indigo-deep);
  margin: 0 0 0.4rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.concerns .cbody {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  margin: 0;
}

/* ---------- CTA Block ---------- */
.cta-block {
  position: relative;
  background: var(--color-indigo);
  color: var(--color-paper);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  overflow: hidden;
}

.cta-block::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(162, 63, 63, 0.35) 0%, transparent 60%);
  pointer-events: none;
}

.cta-block-inner {
  position: relative;
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.cta-block h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--color-paper);
  margin: 0 0 var(--space-md);
}

.cta-block h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 2px;
  background: var(--color-akane-soft);
  margin: var(--space-md) auto 0;
}

.cta-block p {
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  color: rgba(250, 247, 242, 0.85);
  font-size: 1rem;
  line-height: 1.9;
}

.cta-block .btns {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-block .note {
  margin-top: var(--space-md);
  font-size: 0.85rem;
  color: rgba(250, 247, 242, 0.7);
  letter-spacing: 0.08em;
}

/* ---------- Catch-all "拾える設計" block ---------- */
.catchall {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  border-left: 3px solid var(--color-akane);
  padding: var(--space-md);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-md);
  align-items: center;
}

.catchall-mark {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-akane);
  line-height: 1;
}

.catchall h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0 0 0.3rem;
  letter-spacing: 0.04em;
}

.catchall p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  line-height: 1.8;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-indigo-deep);
  color: var(--color-paper);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-xl);
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: var(--space-lg);
}

.footer-brand-block .brand { color: var(--color-paper); }
.footer-brand-block .brand-mark {
  border-color: var(--color-akane-soft);
  color: var(--color-akane-soft);
}

.footer-tagline {
  margin: var(--space-md) 0 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: rgba(250, 247, 242, 0.9);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.footer-meta {
  margin-top: var(--space-md);
  font-size: 0.85rem;
  color: rgba(250, 247, 242, 0.6);
  line-height: 1.9;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.footer-nav-col h4 {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-akane-soft);
  font-weight: 500;
  margin: 0 0 var(--space-sm);
}

.footer-nav-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-col a {
  font-size: 0.9rem;
  color: rgba(250, 247, 242, 0.85);
  transition: color var(--transition);
}

.footer-nav-col a:hover { color: var(--color-akane-soft); }

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-lg) auto 0;
  padding: var(--space-md) var(--space-md) 0;
  border-top: 1px solid rgba(250, 247, 242, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: rgba(250, 247, 242, 0.55);
  letter-spacing: 0.05em;
}

.footer-bottom .latin {
  font-family: var(--font-latin);
}

/* ---------- Hero stats / proof ---------- */
.proof-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
  position: relative;
  z-index: 1;
}

.proof-item .num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--color-akane);
  line-height: 1;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.proof-item .label {
  font-family: var(--font-serif);
  margin-top: 0.6rem;
  font-size: 0.95rem;
  color: var(--color-indigo-deep);
  letter-spacing: 0.05em;
}

.proof-item .desc {
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

/* ---------- Service tiles ---------- */
.service-tile {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: all var(--transition);
}

.service-tile:hover {
  border-color: var(--color-akane);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.service-tile .label {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--color-akane);
  text-transform: uppercase;
}

.service-tile h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.service-tile .price {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-akane);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--color-line-soft);
  padding-top: var(--space-sm);
  margin-top: auto;
}

.service-tile .price .num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-right: 0.2rem;
}

.service-tile p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-ink);
}

/* ---------- Pricing table ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  position: relative;
}

.pricing-card.is-featured {
  border-color: var(--color-akane);
  box-shadow: var(--shadow-soft);
}

.pricing-card.is-featured::before {
  content: "おすすめ";
  position: absolute;
  top: -0.7rem;
  left: var(--space-md);
  background: var(--color-akane);
  color: var(--color-paper);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
}

.pricing-card .tier {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-akane);
  text-transform: uppercase;
}

.pricing-card .plan-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0;
  letter-spacing: 0.04em;
}

.pricing-card .price-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--color-line-soft);
  border-bottom: 1px solid var(--color-line-soft);
}

.pricing-card .price-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--color-akane);
  line-height: 1;
}

.pricing-card .price-unit {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink);
}

.pricing-card .price-suffix {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-left: auto;
}

.pricing-card .features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.pricing-card .features li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--color-ink);
}

.pricing-card .features li::before {
  content: "✓";
  color: var(--color-akane);
  font-family: var(--font-latin);
}

/* ---------- Case study card ---------- */
.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-sm);
  transition: all var(--transition);
}

.case-card:hover {
  border-color: var(--color-line);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.case-card .industry {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--color-akane);
  text-transform: uppercase;
}

.case-card .meta {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.05em;
}

.case-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0;
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.case-card .result {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-line-soft);
}

.case-card .result .stat {
  font-family: var(--font-latin);
  font-size: 1.6rem;
  color: var(--color-akane);
  line-height: 1;
  font-weight: 500;
}

.case-card .result .stat-label {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-top: 0.3rem;
}

/* ---------- Flow steps ---------- */
.flow-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.flow-list::before {
  content: "";
  position: absolute;
  left: 1.45rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: var(--color-line);
}

.flow-step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  position: relative;
}

.flow-step + .flow-step {
  border-top: 1px solid var(--color-line-soft);
}

.flow-step .marker {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: var(--color-paper);
  border: 1.5px solid var(--color-akane);
  border-radius: 50%;
  color: var(--color-akane);
  font-family: var(--font-latin);
  font-size: 1.3rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.flow-step h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0.35rem 0 0.6rem;
  letter-spacing: 0.04em;
}

.flow-step .duration {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--color-ink-soft);
  padding: 0.2rem 0.6rem;
  background: var(--color-paper-deep);
  border-radius: 2px;
  margin-left: 0.6rem;
  vertical-align: middle;
}

.flow-step p {
  margin: 0;
  color: var(--color-ink);
  line-height: 1.9;
}

.flow-step .deliverable {
  margin-top: var(--space-sm);
  padding: 0.7rem var(--space-sm);
  background: var(--color-paper-deep);
  border-left: 2px solid var(--color-akane);
  font-size: 0.9rem;
  color: var(--color-ink);
}

.flow-step .deliverable strong {
  font-family: var(--font-serif);
  color: var(--color-indigo-deep);
  font-weight: 500;
  margin-right: 0.6rem;
}

/* ---------- About / Values ---------- */
.value-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.value-item {
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-akane);
}

.value-item .latin-num {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-akane);
}

.value-item h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0.6rem 0 var(--space-sm);
  letter-spacing: 0.04em;
}

.value-item p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-ink);
}

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-row label {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-indigo-deep);
  letter-spacing: 0.04em;
}

.form-row label .req {
  color: var(--color-akane);
  margin-left: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.form-row .hint {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-top: 0.2rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.75rem 0.9rem;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  color: var(--color-ink);
  transition: border-color var(--transition);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-akane);
  background: var(--color-white);
}

.form-row textarea { resize: vertical; min-height: 140px; }

.form-row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-checkboxes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
}

.form-checkboxes label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-ink);
  cursor: pointer;
}

.form-checkboxes input { accent-color: var(--color-akane); }

.contact-aside {
  background: var(--color-paper-deep);
  padding: var(--space-md);
  border-top: 2px solid var(--color-akane);
}

.contact-aside h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-indigo-deep);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.04em;
}

.contact-aside ul {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-aside ul li {
  font-size: 0.92rem;
  color: var(--color-ink);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.85;
}

.contact-aside ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-akane);
}

/* ---------- Quote / testimonial ---------- */
.quote-block {
  background: var(--color-white);
  border: 1px solid var(--color-line-soft);
  padding: var(--space-md);
  position: relative;
}

.quote-block::before {
  content: "”";
  position: absolute;
  top: -0.3rem;
  left: var(--space-md);
  font-family: var(--font-latin);
  font-size: 5rem;
  color: var(--color-akane);
  line-height: 1;
  opacity: 0.5;
}

.quote-block blockquote {
  margin: var(--space-md) 0 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--color-ink);
  letter-spacing: 0.04em;
}

.quote-block .who {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-line-soft);
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.05em;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .site-footer .container { grid-template-columns: 1fr; }
  .footer-nav-grid { grid-template-columns: repeat(3, 1fr); }
  .proof-row { grid-template-columns: 1fr; gap: var(--space-md); }
}

@media (max-width: 1100px) {
  .nav-links { gap: 1.1rem; }
  .nav-links a { font-size: 0.88rem; }
  .nav-cta { padding: 0.75rem 1.2rem; font-size: 0.85rem; }
}

@media (max-width: 920px) {
  .nav-links, .nav .btn-primary { display: none; }
  .menu-toggle { display: flex; }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-bg-glyph { font-size: 24rem; opacity: 0.4; right: -25%; }
  .page-hero-bg { font-size: 14rem; right: -15%; }
  .footer-nav-grid { grid-template-columns: 1fr 1fr; }
  .form-row-inline { grid-template-columns: 1fr; }
  .form-checkboxes { grid-template-columns: 1fr; }
  .catchall { grid-template-columns: 1fr; text-align: left; }
  .concerns li { grid-template-columns: 3rem 1fr; gap: var(--space-sm); }
  .flow-step { grid-template-columns: 2.5rem 1fr; gap: var(--space-sm); }
}

/* ---------- Helpers ---------- */
.text-center { text-align: center; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

/* ============================================
   Mobile responsive fixes (added 2026-05-11)
   ============================================ */

/* Mobile hamburger menu — opened state */
@media (max-width: 920px) {
  .nav-links.is-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-paper);
    border-top: 1px solid var(--color-line-soft);
    border-bottom: 1px solid var(--color-line-soft);
    padding: var(--space-md) var(--space-md);
    gap: var(--space-sm);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    z-index: 100;
  }
  .nav-links.is-open li {
    list-style: none;
    padding: 0.3rem 0;
  }
  .nav-links.is-open a {
    display: block;
    font-size: 1rem;
    padding: 0.4rem 0;
  }
  /* Mobile: hide the standalone CTA button.
     A "contact" link is injected into the menu dropdown by JS instead. */
  .nav-cta {
    display: none !important;
  }
  /* Hamburger button: keep in viewport */
  .menu-toggle {
    margin-left: auto;
    flex-shrink: 0;
  }
  /* Contact link inside dropdown (injected by JS) — styled as a CTA */
  .nav-links.is-open .nav-cta-mobile {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-line-soft);
  }
  .nav-links.is-open .nav-cta-mobile a {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    background: var(--color-akane);
    color: var(--color-paper);
    border-radius: 4px;
    font-size: 0.95rem;
    text-decoration: none;
  }
  /* Hamburger to X transformation when active */
  .menu-toggle.is-active span {
    background: transparent;
  }
  .menu-toggle.is-active span::before {
    top: 0;
    transform: rotate(45deg);
  }
  .menu-toggle.is-active span::after {
    top: 0;
    transform: rotate(-45deg);
  }
  /* Prevent body scroll when menu is open */
  body.nav-open {
    overflow: hidden;
  }
}

/* Tablet/Mobile responsive fixes */
@media (max-width: 768px) {
  /* Catchall section: stack vertically on mobile, prevent text cutoff */
  .catchall {
    grid-template-columns: 1fr !important;
    text-align: center;
    padding: var(--space-md);
    gap: var(--space-sm) !important;
  }
  .catchall-mark {
    font-size: clamp(2.5rem, 10vw, 3.5rem) !important;
    line-height: 1 !important;
    margin: 0 auto;
  }
  .catchall > div:not(.catchall-mark) {
    text-align: left;
  }
  .catchall h3 {
    font-size: 1.05rem !important;
    line-height: 1.5;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .catchall p {
    font-size: 0.9rem;
    line-height: 1.7;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  .catchall .btn {
    display: inline-block;
    width: auto;
    margin-top: var(--space-sm);
  }

  /* services.html: .concerns with inline grid-template-columns:repeat(2, 1fr) */
  ol.concerns[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    column-gap: 0 !important;
  }
  /* about.html, tokushoho.html: dl with inline grid-template-columns:9rem|11rem 1fr */
  dl[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 0.25rem var(--space-sm) !important;
  }
  dl[style*="grid-template-columns"] dt {
    margin-top: 0.8rem;
    font-size: 0.85rem;
    opacity: 0.85;
  }
  dl[style*="grid-template-columns"] dt:first-of-type {
    margin-top: 0;
  }
  dl[style*="grid-template-columns"] dd {
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-line-soft);
  }
  dl[style*="grid-template-columns"] dd:last-of-type {
    border-bottom: none;
  }

  /* Long word-break for narrow viewport — keep Japanese readable */
  body {
    word-break: normal;
    overflow-wrap: break-word;
  }
  /* Page hero text — prevent overflow */
  .page-hero h1, .display {
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  /* Contact form: ensure proper stacking on mobile */
  .contact-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Very small screens (iPhone SE etc.) */
@media (max-width: 400px) {
  .hero h1.display { font-size: clamp(1.8rem, 8vw, 2.4rem); }
  .page-hero h1 { font-size: clamp(1.6rem, 7vw, 2.1rem); }
}