/* ==========================================================================
   MICHI-NO-EKI CO-CREATION PROJECT - MASTER DESIGN SYSTEM
   Theme 1 (Station/index): 地域の温度感 × 行政にも出せる信頼感 × 旅のリアリティ
   Theme 2 (Partner/partner): 地域共創 × BtoB × プロフェッショナルネットワーク
   ========================================================================== */

:root {
  /* Common Palette */
  --color-forest: #1F4D3A;        /* メイン：深い森林系グリーン */
  --color-forest-dark: #15382a;
  --color-forest-light: #2d6b52;
  --color-beige: #F7F5EF;         /* ベース：生成り */
  --color-beige-light: #FAF9F5;
  --color-white: #FFFFFF;
  --color-charcoal: #333333;      /* 本文：チャコール */
  --color-muted: #666666;
  --color-border: #E5E2D9;
  --color-ocher: #D69A32;         /* アクセント：山吹・黄土系 */
  --color-ocher-hover: #b88124;
  --color-pale-green: #EEF3EF;    /* 薄い背景：ペールグリーン */
  
  /* Partner Sub-color */
  --color-navy: #243542;          /* パートナー用サブ：ディープネイビー */
  --color-navy-dark: #182631;

  /* Typography */
  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Noto Serif JP", "Yu Mincho", serif;
  --font-num: "Outfit", "Noto Sans JP", sans-serif;

  /* Layout & Geometry */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 16px rgba(31, 77, 58, 0.06);
  --shadow-hover: 0 8px 24px rgba(31, 77, 58, 0.12);
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-beige);
  color: var(--color-charcoal);
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: normal;
  overflow-wrap: break-word;
  line-break: strict;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography & Word Break Helpers */
h1, h2, h3, h4, h5, h6 {
  word-break: auto-phrase;
  overflow-wrap: break-word;
  line-break: strict;
}

.u-keep {
  display: inline-block;
  white-space: nowrap;
}

.u-nowrap {
  white-space: nowrap;
}

.u-pc-only {
  display: inline;
}

.u-sp-only {
  display: none !important;
}

@media (max-width: 768px) {
  .u-pc-only {
    display: none !important;
  }
  .u-sp-only {
    display: inline !important;
  }
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }
}

.section {
  padding: 80px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 50px 0;
  }
}

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

.section-beige {
  background-color: var(--color-beige);
}

.section-pale-green {
  background-color: var(--color-pale-green);
}

.section-navy {
  background-color: var(--color-navy);
  color: #ffffff;
}

/* Headers */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: 32px;
  }
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-forest);
  background: var(--color-pale-green);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.section-title {
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 900;
  color: var(--color-forest);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  word-break: auto-phrase;
}

.section-lead {
  font-size: clamp(0.92rem, 1.6vw, 1.06rem);
  color: var(--color-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.75;
  word-break: auto-phrase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
}

.btn-forest {
  background-color: var(--color-forest);
  color: #ffffff;
}

.btn-forest:hover {
  background-color: var(--color-forest-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-ocher {
  background-color: var(--color-ocher);
  color: #ffffff;
}

.btn-ocher:hover {
  background-color: var(--color-ocher-hover);
  transform: translateY(-2px);
}

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

.btn-outline-forest:hover {
  background-color: var(--color-pale-green);
}

/* Sticky Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-logo {
  display: flex;
  flex-direction: column;
}

.site-logo-main {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--color-forest);
  line-height: 1.2;
}

.site-logo-sub {
  font-size: 0.72rem;
  color: var(--color-muted);
  font-weight: 600;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-nav-link {
  font-size: 0.90rem;
  font-weight: 700;
  color: var(--color-charcoal);
  transition: color 0.2s ease;
}

.header-nav-link:hover {
  color: var(--color-forest);
}

/* Mobile Nav & Floating Bottom CTA */
.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  width: 32px;
  height: 24px;
  position: relative;
  cursor: pointer;
}

.mobile-toggle-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-forest);
  position: absolute;
  left: 0;
  transition: all 0.25s ease;
}

.mobile-toggle-btn span:nth-child(1) { top: 2px; }
.mobile-toggle-btn span:nth-child(2) { top: 11px; }
.mobile-toggle-btn span:nth-child(3) { top: 20px; }

.mobile-toggle-btn.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.mobile-toggle-btn.active span:nth-child(2) { opacity: 0; }
.mobile-toggle-btn.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.mobile-drawer {
  position: fixed;
  top: 68px;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.mobile-drawer.active {
  display: flex;
}

.bottom-floating-cta {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 440px;
  background: var(--color-forest);
  color: #ffffff;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(31, 77, 58, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.98rem;
  z-index: 990;
  text-align: center;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.bottom-floating-cta.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(20px);
}

@media (max-width: 860px) {
  .header-nav { display: none; }
  .mobile-toggle-btn { display: block; }
  .bottom-floating-cta { display: flex; }
  body { padding-bottom: 84px; }
}

/* =========================================
   RESPONSIVE GRID LAYOUTS
   ========================================= */

/* Hero Grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Founder Profile Grid & Card */
.founder-profile-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
}
.founder-avatar-wrap {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  border: 3px solid var(--color-forest);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(31,77,58,0.18);
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .founder-profile-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }
  .founder-avatar-wrap {
    margin: 0 auto;
    width: 120px;
    height: 120px;
  }
  .founder-profile-grid p {
    text-align: left;
  }
}

/* Comparison Cards Grid (Free vs Paid) */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Pricing & Steps Grid */
.pricing-steps-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 16px;
  align-items: stretch;
  margin-bottom: 20px;
}
@media (max-width: 768px) {
  .pricing-steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* Diagnosis Hero Grid */
.diagnosis-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .diagnosis-hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* Diagnosis 6 Steps Grid */
.diag-steps-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  text-align: center;
}
@media (max-width: 991px) {
  .diag-steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
}
@media (max-width: 600px) {
  .diag-steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

/* Route Cluster Custom Styles */
.route-btn-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  text-align: left;
}
.route-btn-badge {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-forest);
  background: var(--color-pale-green);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  white-space: nowrap;
}

/* Stats Row (4 Columns Flat) */
.stats-flat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 32px 0;
  text-align: center;
}

.stat-item-box {
  padding: 0 12px;
}

.stat-number {
  font-family: var(--font-num);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 900;
  color: var(--color-forest);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .stats-flat-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 24px 0;
  }
}

/* Clean Cards Grid */
.cards-grid-6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.clean-white-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border);
}

.card-icon-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-forest);
  margin-bottom: 10px;
}

.card-text {
  font-size: 0.94rem;
  color: var(--color-charcoal);
  line-height: 1.75;
}

/* Accordion FAQ */
.faq-accordion-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-header-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--color-forest);
  cursor: pointer;
}

.faq-header-btn .faq-icon {
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}

.faq-header-btn.active .faq-icon {
  transform: rotate(45deg);
}

.faq-body-content {
  display: none;
  padding: 0 22px 18px;
  font-size: 0.94rem;
  color: var(--color-charcoal);
  line-height: 1.8;
}

/* Clean Forms */
.clean-form-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
  max-width: 680px;
  margin: 0 auto;
}

.form-field-row {
  margin-bottom: 20px;
  text-align: left;
}

.form-field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: 6px;
}

.form-badge-req {
  font-size: 0.70rem;
  background: #e11d48;
  color: #fff;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

.form-badge-opt {
  font-size: 0.70rem;
  background: #94a3b8;
  color: #fff;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.form-input-text, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
  font-family: inherit;
  color: var(--color-charcoal);
  background: var(--color-beige-light);
  transition: all 0.2s ease;
}

.form-input-text:focus, .form-textarea:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--color-forest);
  box-shadow: 0 0 0 3px rgba(31, 77, 58, 0.12);
}