/* ============================================================
   相模原ビジネス教室 ─ Design System v1
   Colors: Deep Navy / Off White / Brass Gold
   Type: Noto Serif JP (heading), Noto Sans JP (body), Cormorant Garamond (numerals)
   ============================================================ */

:root {
  /* Colors */
  --deep-navy: #0F1E3D;
  --ink-black: #1A1A1A;
  --off-white: #FAFAF7;
  --pure-white: #FFFFFF;
  --brass-gold: #B8924E;
  --muted-rust: #A85E3F;
  --slate-gray: #6B7280;
  --mist-gray: #E5E5E0;

  /* Fonts */
  --font-serif: "Noto Serif JP", "Cormorant Garamond", serif;
  --font-sans: "Noto Sans JP", "Inter", sans-serif;
  --font-numeral: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
  --space-2xl: 120px;

  /* Layout */
  --max-content: 1200px;
  --max-text: 720px;
  --max-wide: 1440px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--ink-black);
  background-color: var(--off-white);
  font-weight: 400;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--deep-navy);
}

h1 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.3;
  font-weight: 600;
}

h2 {
  font-size: clamp(26px, 3.5vw, 40px);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(20px, 2vw, 26px);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 18px;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
  max-width: var(--max-text);
}

a {
  color: var(--deep-navy);
  text-decoration: none;
  transition: color 0.25s ease-out;
}

a:hover {
  color: var(--brass-gold);
}

/* Container */
.container {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 80px;
}

.container-wide {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 80px;
}

.container-text {
  max-width: var(--max-text);
  margin: 0 auto;
  padding: 0 80px;
}

@media (max-width: 1023px) {
  .container, .container-wide, .container-text {
    padding: 0 48px;
  }
}

@media (max-width: 767px) {
  .container, .container-wide, .container-text {
    padding: 0 24px;
  }
}

/* Sections */
section {
  padding: var(--space-2xl) 0;
}

@media (max-width: 1023px) {
  section {
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 767px) {
  section {
    padding: 56px 0;
  }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 100;
  background-color: rgba(250, 250, 247, 0.0);
  backdrop-filter: blur(0px);
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background-color: rgba(15, 30, 61, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(184, 146, 78, 0.2);
}

.site-header.scrolled .nav-link,
.site-header.scrolled .logo {
  color: var(--pure-white);
}

.site-header.scrolled .cta-header {
  background-color: var(--brass-gold);
  color: var(--deep-navy);
  border-color: var(--brass-gold);
}

.header-inner {
  max-width: var(--max-wide);
  height: 100%;
  margin: 0 auto;
  padding: 0 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 1023px) {
  .header-inner { padding: 0 32px; }
}

@media (max-width: 767px) {
  .header-inner { padding: 0 24px; }
  .site-header { height: 64px; }
}

.logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--deep-navy);
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  gap: 32px;
  align-items: center;
  list-style: none;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--deep-navy);
  letter-spacing: 0.05em;
  position: relative;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--brass-gold);
}

.cta-header {
  padding: 13px 28px;
  background-color: var(--brass-gold);
  border: 1px solid var(--brass-gold);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pure-white);
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: all 0.25s ease-out;
  box-shadow: 0 2px 8px rgba(184, 146, 78, 0.25);
}

.cta-header:hover {
  background-color: var(--deep-navy);
  color: var(--pure-white);
  border-color: var(--deep-navy);
  box-shadow: 0 4px 14px rgba(15, 30, 61, 0.25);
  transform: translateY(-1px);
}

.site-header.scrolled .cta-header {
  background-color: var(--brass-gold);
  color: var(--pure-white);
  border-color: var(--brass-gold);
}

.site-header.scrolled .cta-header:hover {
  background-color: var(--pure-white);
  color: var(--deep-navy);
  border-color: var(--pure-white);
}

/* Mobile nav */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: space-around;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--deep-navy);
  transition: all 0.3s ease;
}

.site-header.scrolled .mobile-toggle span {
  background-color: var(--pure-white);
}

@media (max-width: 1023px) {
  .nav-menu, .cta-header { display: none; }
  .mobile-toggle { display: flex; }
  .nav-menu.is-open {
    display: flex;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--deep-navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
  }
  .nav-menu.is-open .nav-link {
    color: var(--pure-white);
    font-size: 18px;
  }
}

/* Hero */
.hero {
  padding: 160px 0 120px;
  background-color: var(--deep-navy);
  color: var(--pure-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(184, 146, 78, 0.15) 0%, transparent 50%),
                    radial-gradient(circle at 20% 80%, rgba(184, 146, 78, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero h1 {
  color: var(--pure-white);
  margin-bottom: var(--space-md);
}

.hero-divider {
  width: 60px;
  height: 2px;
  background-color: var(--brass-gold);
  margin-bottom: var(--space-md);
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s ease-out;
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--brass-gold);
  color: var(--deep-navy);
  border-color: var(--brass-gold);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--pure-white);
  border-color: var(--pure-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--pure-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background-color: var(--pure-white);
  color: var(--deep-navy);
  border-color: var(--pure-white);
}

.btn-on-light {
  background-color: var(--deep-navy);
  color: var(--pure-white);
  border-color: var(--deep-navy);
}

.btn-on-light:hover {
  background-color: var(--brass-gold);
  color: var(--deep-navy);
  border-color: var(--brass-gold);
}

.btn-outline {
  background-color: transparent;
  color: var(--deep-navy);
  border-color: var(--deep-navy);
}

.btn-outline:hover {
  background-color: var(--deep-navy);
  color: var(--pure-white);
}

/* Section heading pattern */
.section-head {
  margin-bottom: var(--space-lg);
}

.section-head-divider {
  width: 40px;
  height: 2px;
  background-color: var(--brass-gold);
  margin-bottom: var(--space-sm);
}

.section-eyebrow {
  font-family: var(--font-numeral);
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--brass-gold);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
  font-weight: 600;
  line-height: 1.2;
}

@media (max-width: 767px) {
  .section-eyebrow { font-size: 18px; letter-spacing: 0.1em; }
}

.section-lead {
  font-size: 18px;
  color: var(--slate-gray);
  max-width: 680px;
  line-height: 1.85;
}

/* Grid */
.grid {
  display: grid;
  gap: 32px;
}

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

@media (max-width: 1023px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Cards */
.card {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 6px;
  padding: 40px 32px;
  transition: all 0.3s ease-out;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 30, 61, 0.08);
  border-color: var(--brass-gold);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card-number {
  font-family: var(--font-numeral);
  font-size: 52px;
  font-weight: 600;
  color: var(--brass-gold);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

@media (max-width: 767px) {
  .card-number { font-size: 44px; }
}

/* Numbered list item */
.numbered-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--mist-gray);
}

.numbered-item:first-child { border-top: none; padding-top: 0; }

.numbered-badge {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border: 2px solid var(--brass-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-numeral);
  font-size: 30px;
  font-weight: 600;
  color: var(--brass-gold);
}

.numbered-square {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background-color: var(--deep-navy);
  color: var(--pure-white);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-numeral);
  font-size: 30px;
  font-weight: 600;
}

@media (max-width: 767px) {
  .numbered-badge, .numbered-square { width: 60px; height: 60px; font-size: 26px; }
}

.numbered-body h3 {
  margin-bottom: 6px;
}

.numbered-body p {
  color: var(--slate-gray);
  margin-bottom: 0;
}

/* Question card (symbol-based design for "?" questions) */
.question-grid {
  gap: 24px;
}

.question-card {
  position: relative;
  padding: 40px 28px 32px;
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-top: 3px solid var(--brass-gold);
  border-radius: 0 0 4px 4px;
  transition: all 0.3s ease-out;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.question-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(15,30,61,0.12);
}

.question-card--dark {
  background-color: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.12);
  border-top-color: var(--brass-gold);
}

.question-card--dark:hover {
  background-color: rgba(255,255,255,0.06);
  box-shadow: 0 12px 28px rgba(0,0,0,0.25);
}

.question-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 1.5px solid var(--brass-gold);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--brass-gold);
  line-height: 1;
  background-color: rgba(184, 146, 78, 0.06);
}

.question-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--deep-navy);
  margin: 0;
}

.question-card--dark h3 {
  color: var(--pure-white);
}

@media (max-width: 767px) {
  .question-card {
    padding: 32px 24px 28px;
  }
  .question-mark {
    width: 48px;
    height: 48px;
    font-size: 28px;
  }
}

/* Three questions story block (about.html) - 2-column: photo + text */
.three-questions-story {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  max-width: 1040px;
  margin: 0 auto;
}

.three-questions-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1.5px dashed var(--brass-gold);
  border-radius: 6px;
  background-color: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.three-questions-photo-placeholder {
  text-align: center;
  padding: 24px;
  color: rgba(255, 255, 255, 0.8);
}

.three-questions-photo-placeholder p {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin: 16px 0 8px;
}

.three-questions-photo-placeholder small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
}

.three-questions-photo-tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--brass-gold);
  border: 1px solid var(--brass-gold);
  border-radius: 999px;
  background-color: rgba(184, 146, 78, 0.08);
}

.three-questions-text {
  padding-left: 8px;
}

@media (max-width: 1023px) {
  .three-questions-story {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .three-questions-photo {
    aspect-ratio: 16 / 10;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }
  .three-questions-text {
    padding-left: 0;
  }
}

/* Off-duty story block (about.html) - 2-column: photo + text, light background */
.off-duty-story {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  max-width: 1040px;
  margin: 0 auto;
}

.off-duty-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1.5px dashed var(--brass-gold);
  border-radius: 6px;
  background-color: rgba(184, 146, 78, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.off-duty-photo-placeholder {
  text-align: center;
  padding: 24px;
  color: var(--deep-navy);
}

.off-duty-photo-placeholder p {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--deep-navy);
  margin: 16px 0 8px;
}

.off-duty-photo-placeholder small {
  font-size: 12px;
  color: var(--slate-gray);
  letter-spacing: 0.06em;
}

.off-duty-photo-tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--brass-gold);
  border: 1px solid var(--brass-gold);
  border-radius: 999px;
  background-color: rgba(184, 146, 78, 0.08);
}

.off-duty-text {
  padding-left: 8px;
}

@media (max-width: 1023px) {
  .off-duty-story {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .off-duty-photo {
    aspect-ratio: 16 / 10;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }
  .off-duty-text {
    padding-left: 0;
  }
}

/* Timeline (4-phase, 4-step) */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(to right, var(--brass-gold) 0%, var(--brass-gold) 100%);
  opacity: 0.4;
}

.timeline-item {
  text-align: center;
  position: relative;
  z-index: 1;
  background-color: var(--off-white);
  padding: 0 12px;
}

.timeline-badge {
  width: 48px;
  height: 48px;
  background-color: var(--off-white);
  border: 1.5px solid var(--brass-gold);
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-numeral);
  font-size: 18px;
  font-weight: 600;
  color: var(--brass-gold);
}

.timeline-item h4 {
  color: var(--deep-navy);
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--slate-gray);
  margin: 0;
}

@media (max-width: 767px) {
  .timeline {
    grid-template-columns: 1fr;
  }
  .timeline::before {
    display: none;
  }
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 6px;
  overflow: hidden;
}

.data-table thead {
  background-color: var(--deep-navy);
}

.data-table thead th {
  color: var(--pure-white);
  font-family: var(--font-serif);
  font-weight: 500;
  padding: 20px 24px;
  text-align: left;
  font-size: 15px;
}

.data-table tbody td {
  padding: 20px 24px;
  border-top: 1px solid var(--mist-gray);
  font-size: 15px;
  line-height: 1.7;
  vertical-align: top;
}

.data-table tbody tr:hover {
  background-color: rgba(184, 146, 78, 0.04);
}

.tier-badge {
  display: inline-block;
  padding: 5px 12px;
  background-color: var(--deep-navy);
  color: var(--pure-white);
  font-size: 14px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* Case card */
.case-card {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 6px;
  padding: 40px;
  margin-bottom: var(--space-md);
  transition: all 0.3s ease-out;
}

.case-card:hover {
  border-color: var(--brass-gold);
  box-shadow: 0 4px 16px rgba(15, 30, 61, 0.06);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--mist-gray);
}

.case-number {
  font-family: var(--font-numeral);
  font-size: 24px;
  letter-spacing: 0.1em;
  color: var(--brass-gold);
  margin-bottom: 8px;
  font-weight: 600;
  line-height: 1.1;
}

@media (max-width: 767px) {
  .case-number { font-size: 20px; }
}

.case-title {
  font-size: 22px;
  margin-bottom: 0;
}

.case-meta {
  font-size: 14px;
  color: var(--slate-gray);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.case-meta-item strong {
  color: var(--deep-navy);
  font-weight: 500;
  margin-right: 8px;
}

.case-section {
  margin-bottom: var(--space-sm);
}

.case-section:last-child { margin-bottom: 0; }

.case-section h4 {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--brass-gold);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.case-section p {
  margin: 0;
  line-height: 1.85;
  max-width: none;
}

/* FAQ */
.faq-category {
  margin-bottom: var(--space-lg);
}

.faq-category-title {
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--brass-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--mist-gray);
  font-family: var(--font-sans);
  font-weight: 500;
}

.faq-item {
  border-bottom: 1px solid var(--mist-gray);
  padding: var(--space-md) 0;
}

.faq-q {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  color: var(--deep-navy);
  line-height: 1.6;
}

.faq-q::before {
  content: "Q";
  font-family: var(--font-numeral);
  font-size: 24px;
  color: var(--brass-gold);
  line-height: 1;
  margin-top: 2px;
}

.faq-a {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 16px;
  padding-left: 40px;
  color: var(--ink-black);
  font-size: 15px;
  line-height: 1.9;
}

.faq-a::before {
  content: "A";
  font-family: var(--font-numeral);
  font-size: 20px;
  color: var(--slate-gray);
  line-height: 1;
  margin-top: 4px;
  margin-left: -40px;
  width: 24px;
  flex-shrink: 0;
}

/* CTA strip */
.cta-strip {
  background-color: var(--deep-navy);
  color: var(--pure-white);
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(184, 146, 78, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.cta-strip > * {
  position: relative;
  z-index: 1;
}

.cta-strip h2 {
  color: var(--pure-white);
  margin-bottom: var(--space-sm);
}

.cta-strip p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto var(--space-md);
}

/* Form */
.contact-form {
  background-color: var(--pure-white);
  padding: var(--space-lg);
  border-radius: 8px;
  border: 1px solid var(--mist-gray);
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--deep-navy);
  margin-bottom: var(--space-xs);
}

.form-label .required {
  color: var(--muted-rust);
  margin-left: 6px;
  font-size: 13px;
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--mist-gray);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 15px;
  background-color: var(--off-white);
  transition: all 0.25s ease-out;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--brass-gold);
  box-shadow: 0 0 0 3px rgba(184, 146, 78, 0.2);
  background-color: var(--pure-white);
}

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

.form-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: var(--space-md);
}

/* Footer */
.site-footer {
  background-color: var(--deep-navy);
  color: var(--off-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 18px;
  margin-bottom: var(--space-sm);
  color: var(--pure-white);
}

.footer-tagline {
  font-size: 14px;
  color: rgba(250, 250, 247, 0.7);
  line-height: 1.8;
}

.footer-title {
  font-family: var(--font-numeral);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--brass-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.footer-text,
.footer-nav {
  font-size: 14px;
  line-height: 1.9;
  list-style: none;
}

.footer-nav a {
  color: rgba(250, 250, 247, 0.85);
}

.footer-nav a:hover {
  color: var(--brass-gold);
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 13px;
  color: rgba(250, 250, 247, 0.6);
  letter-spacing: 0.1em;
}

/* Ranked list (相談ランキング) */
.ranked-list {
  list-style: none;
  max-width: 560px;
}

.ranked-list li {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--mist-gray);
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--deep-navy);
}

.ranked-list li:last-child { border-bottom: none; }

.rank-num {
  font-family: var(--font-numeral);
  font-size: 30px;
  font-weight: 600;
  color: var(--brass-gold);
  line-height: 1;
  min-width: 64px;
}

@media (max-width: 767px) {
  .rank-num { font-size: 36px; min-width: 56px; }
}

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utilities */
.text-center { text-align: center; }
.text-lead { font-size: 18px; line-height: 1.85; }
.text-serif { font-family: var(--font-serif); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.bg-light { background-color: var(--pure-white); }
.bg-dark { background-color: var(--deep-navy); color: var(--pure-white); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--pure-white); }

/* Arrow link */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  color: var(--deep-navy);
  letter-spacing: 0.03em;
  transition: color 0.25s ease-out;
}

.arrow-link::after {
  content: "→";
  transition: transform 0.25s ease-out;
}

.arrow-link:hover {
  color: var(--brass-gold);
}

.arrow-link:hover::after {
  transform: translateX(4px);
}

/* Page header (sub pages) */
.page-hero {
  padding: 160px 0 80px;
  background-color: var(--deep-navy);
  color: var(--pure-white);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle at 80% 30%, rgba(184, 146, 78, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

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

.page-hero h1 {
  color: var(--pure-white);
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: var(--space-sm);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 17px;
  max-width: 640px;
  margin-bottom: 0;
}

.page-hero-divider {
  width: 40px;
  height: 2px;
  background-color: var(--brass-gold);
  margin-bottom: var(--space-md);
}

/* Access page */
.access-map {
  width: 100%;
  height: 400px;
  border-radius: 6px;
  border: 1px solid var(--mist-gray);
}

/* Blog cards */
.blog-card {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease-out;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 30, 61, 0.08);
  border-color: var(--brass-gold);
}

.blog-card-image {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--deep-navy) 0%, #1a3356 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-family: var(--font-numeral);
  font-size: 72px;
  font-weight: 600;
}

.blog-card-body {
  padding: 28px;
}

.blog-category {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--brass-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}

.blog-title {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--deep-navy);
  margin-bottom: 10px;
  line-height: 1.5;
}

.blog-excerpt {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.8;
  margin-bottom: 16px;
}

.blog-date {
  font-family: var(--font-numeral);
  font-size: 14px;
  color: var(--slate-gray);
  letter-spacing: 0.1em;
}

/* Profile hero for about page */
.profile-hero {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 1023px) {
  .profile-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.profile-image {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 16px 48px rgba(15, 30, 61, 0.18);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.profile-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,30,61,0) 60%, rgba(15,30,61,0.25) 100%);
  pointer-events: none;
}

.profile-name-en {
  font-family: var(--font-numeral);
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--brass-gold);
  margin-bottom: 10px;
  font-weight: 600;
  line-height: 1.15;
}

@media (max-width: 767px) {
  .profile-name-en { font-size: 18px; }
}

/* Services pricing card */
.price-card {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 8px;
  padding: 40px 32px;
  transition: all 0.3s ease-out;
}

.price-card:hover {
  border-color: var(--brass-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(15, 30, 61, 0.1);
}

.price-card-target {
  display: inline-block;
  padding: 5px 12px;
  background-color: var(--off-white);
  border: 1px solid var(--brass-gold);
  color: var(--brass-gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 3px;
  margin-bottom: 14px;
}

.price-card-title {
  font-size: 20px;
  margin-bottom: var(--space-xs);
  color: var(--deep-navy);
}

.price-card-price {
  font-family: var(--font-numeral);
  font-size: 36px;
  font-weight: 600;
  color: var(--brass-gold);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

@media (max-width: 767px) {
  .price-card-price { font-size: 30px; }
}

.price-card-list {
  list-style: none;
  font-size: 14px;
  line-height: 1.9;
  color: var(--slate-gray);
}

.price-card-list li {
  padding-left: 20px;
  position: relative;
}

.price-card-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--brass-gold);
}

/* Sample plan */
.sample-plan {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 6px;
  padding: 40px;
}

.sample-plan-header {
  display: flex;
  gap: 32px;
  align-items: baseline;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--mist-gray);
  flex-wrap: wrap;
}

.sample-plan-meta {
  font-size: 14px;
  color: var(--slate-gray);
}

.sample-plan-meta strong {
  color: var(--deep-navy);
  font-weight: 500;
  font-family: var(--font-numeral);
  font-size: 18px;
  margin-right: 4px;
}

.day-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
  font-size: 14px;
}

@media (max-width: 767px) {
  .day-list { grid-template-columns: 1fr; }
}

.day-list li {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--mist-gray);
}

.day-list .day-num {
  font-family: var(--font-numeral);
  color: var(--brass-gold);
  font-weight: 600;
  min-width: 56px;
}

/* Scoped only for index hero */
.hero-concept {
  font-family: var(--font-numeral);
  font-size: 20px;
  letter-spacing: 0.18em;
  color: var(--brass-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  font-weight: 600;
}

@media (max-width: 767px) {
  .hero-concept { font-size: 16px; letter-spacing: 0.12em; }
}

/* ================================
   Growth Phases – Expansion visual
   組織が拡大していく段階的スケール表現
================================ */
.growth-phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  align-items: end;
  padding: 24px 0 8px;
}

.growth-phases::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(to right, var(--mist-gray), var(--brass-gold));
}

.growth-phase {
  background-color: rgba(184, 146, 78, 0.05);
  border: 1.5px solid rgba(184, 146, 78, 0.4);
  border-bottom: 4px solid var(--brass-gold);
  padding: 20px 24px 24px;
  border-radius: 6px 6px 0 0;
  position: relative;
  transition: all 0.3s ease-out;
  box-shadow: 0 4px 14px rgba(15,30,61,0.06);
}

.growth-phase:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(15,30,61,0.12);
  background-color: rgba(184, 146, 78, 0.08);
}

.growth-phase:nth-child(1) { height: 500px; }
.growth-phase:nth-child(2) { height: 580px; }
.growth-phase:nth-child(3) { height: 660px; }
.growth-phase:nth-child(4) { height: 740px; }

@media (max-width: 1023px) {
  .growth-phase:nth-child(n) { height: auto; }
}

.growth-phase-num {
  font-family: var(--font-numeral);
  font-size: 60px;
  font-weight: 600;
  color: var(--brass-gold);
  line-height: 1;
  margin-bottom: 10px;
}

@media (max-width: 767px) {
  .growth-phase-num { font-size: 48px; }
}

.growth-phase-illust {
  width: 100%;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  padding: 8px;
  background-color: rgba(184, 146, 78, 0.04);
  border-radius: 4px;
}

.growth-phase-illust img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@media (max-width: 767px) {
  .growth-phase-illust { height: 100px; }
}

.growth-phase h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 10px;
}

.growth-phase-scale {
  font-size: 14px;
  color: var(--slate-gray);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  font-family: var(--font-numeral);
  font-weight: 500;
}

.growth-phase-action {
  display: inline-block;
  padding: 7px 14px;
  background-color: var(--off-white);
  color: var(--deep-navy);
  font-size: 15px;
  font-weight: 600;
  border-radius: 3px;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.growth-phase-detail {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed var(--mist-gray);
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  text-align: left;
}

.growth-phase-detail-item {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.65;
}

.growth-phase-detail-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brass-gold);
  letter-spacing: 0.06em;
  background-color: rgba(184, 146, 78, 0.08);
  padding: 3px 9px;
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: 1px;
}

@media (max-width: 1023px) {
  .growth-phases { grid-template-columns: repeat(2, 1fr); }
  .growth-phase:nth-child(n) { min-height: auto; }
}

@media (max-width: 767px) {
  .growth-phases { grid-template-columns: 1fr; }
}

/* ================================
   Step Timeline (with descriptions)
   手順を矢印で繋ぎつつ各ステップに説明を添える
================================ */
.step-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  position: relative;
}

.step-flow-item {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-left: 3px solid var(--deep-navy);
  padding: 24px 20px;
  border-radius: 4px;
  position: relative;
}

.step-flow-item:not(:last-child)::after {
  content: "▶";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brass-gold);
  font-size: 14px;
  z-index: 2;
}

.step-flow-num {
  font-family: var(--font-numeral);
  font-size: 28px;
  letter-spacing: 0.08em;
  color: var(--brass-gold);
  margin-bottom: 12px;
  font-weight: 600;
  line-height: 1.1;
}

@media (max-width: 767px) {
  .step-flow-num { font-size: 22px; }
}

.step-flow-item h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--deep-navy);
  margin-bottom: 12px;
  line-height: 1.4;
}

.step-flow-item p {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 1023px) {
  .step-flow { grid-template-columns: repeat(2, 1fr); }
  .step-flow-item:not(:last-child)::after { display: none; }
}

@media (max-width: 767px) {
  .step-flow { grid-template-columns: 1fr; }
}

/* ================================
   Definition Cards – flat grid variant
   8つの定義を「用語集」風の落ち着いた見せ方に
================================ */
.definition-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--mist-gray);
  border-left: 1px solid var(--mist-gray);
  background-color: var(--pure-white);
}

.definition-item {
  padding: 32px 24px;
  border-right: 1px solid var(--mist-gray);
  border-bottom: 1px solid var(--mist-gray);
  transition: background-color 0.2s ease-out;
}

.definition-item:hover {
  background-color: var(--off-white);
}

.definition-item-num {
  font-family: var(--font-numeral);
  font-size: 52px;
  letter-spacing: 0.02em;
  color: var(--brass-gold);
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1;
}

@media (max-width: 767px) {
  .definition-item-num { font-size: 42px; }
}

.definition-item h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--deep-navy);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dotted var(--mist-gray);
}

.definition-item p {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 1023px) {
  .definition-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .definition-grid { grid-template-columns: 1fr; }
}

/* ================================
   Process Flow – Circular/Arrow flow
   研修導入の流れ（矢印フロー）
================================ */
.process-arrow-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 200px;
  background-color: var(--pure-white);
  padding: 36px 28px 32px 48px;
  position: relative;
  border-top: 1px solid var(--mist-gray);
  border-bottom: 1px solid var(--mist-gray);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 50%, calc(100% - 22px) 100%, 0 100%, 22px 50%);
}

.process-step:first-child {
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 50%, calc(100% - 22px) 100%, 0 100%);
}

.process-step:last-child {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 22px 50%);
}

.process-step-num {
  font-family: var(--font-numeral);
  font-size: 56px;
  letter-spacing: 0.02em;
  color: var(--brass-gold);
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1;
}

@media (max-width: 767px) {
  .process-step-num { font-size: 44px; }
}

.process-step h4 {
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--deep-navy);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 1023px) {
  .process-arrow-flow { flex-direction: column; }
  .process-step,
  .process-step:first-child,
  .process-step:last-child {
    clip-path: none;
    padding: 20px 24px;
    border-left: 3px solid var(--brass-gold);
  }
}

/* ================================
   Tier Program Example – card variant
   階層別プログラム例（3階層）
================================ */
.tier-example-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tier-example {
  background-color: var(--pure-white);
  border: 1px solid var(--mist-gray);
  border-radius: 6px;
  padding: 0;
  overflow: hidden;
  transition: all 0.3s ease-out;
  display: flex;
  flex-direction: column;
}

.tier-example:hover {
  border-color: var(--brass-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(15,30,61,0.1);
}

.tier-example-head {
  background-color: var(--deep-navy);
  color: var(--pure-white);
  padding: 20px 24px 18px;
}

.tier-example-label {
  font-family: var(--font-numeral);
  font-size: 20px;
  color: var(--brass-gold);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 600;
  line-height: 1.15;
}

@media (max-width: 767px) {
  .tier-example-label { font-size: 16px; }
}

.tier-example-head h4 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin: 0;
  color: var(--pure-white);
}

.tier-example-subtitle {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  margin-top: 8px;
}

.tier-example-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tier-example-duration {
  display: inline-block;
  padding: 5px 12px;
  background-color: var(--off-white);
  color: var(--deep-navy);
  font-size: 14px;
  border-radius: 3px;
  margin-bottom: 16px;
  align-self: flex-start;
  font-weight: 500;
}

.tier-example-desc {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.85;
  margin-bottom: 18px;
}

.tier-example-points {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px dotted var(--mist-gray);
  padding-top: 14px;
}

.tier-example-points li {
  position: relative;
  padding-left: 18px;
  padding-top: 7px;
  padding-bottom: 7px;
  font-size: 14px;
  color: var(--ink-black);
  line-height: 1.6;
}

.tier-example-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 7px;
  height: 7px;
  background-color: var(--brass-gold);
  border-radius: 50%;
}

@media (max-width: 1023px) {
  .tier-example-grid { grid-template-columns: 1fr; }
}

/* ================================
   Profile history – simple shape badges
   経歴の丸バッジ（文字を入れず、階調で刻印）
================================ */
.history-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--brass-gold);
  flex-shrink: 0;
  position: relative;
  margin-top: 8px;
  margin-left: 15px;
  margin-right: 15px;
  box-shadow: 0 0 0 6px rgba(184, 146, 78, 0.15);
}

.history-dot::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--pure-white);
  border-radius: 50%;
  top: 5px;
  left: 5px;
}