/*
Theme Name: Kaji Support
Theme URI: https://kaji-support.com
Description: 引越し準備チェックリスト - 引越し費用で損しないための情報サイト WordPress テーマ
Version: 1.0.0
Author: Kaji Support
Text Domain: kaji-support
*/

/* ═══════════════════════════════════════════
   Design Tokens
   ═══════════════════════════════════════════ */
:root {
  /* Colors */
  --color-bg-base: #fbfaf8;
  --color-bg-sub: #f3f0eb;
  --color-bg-card: #ffffff;
  --color-bg-accent-light: #e6fffa;

  --color-text-primary: #4a4a4a;
  --color-text-secondary: #718096;
  --color-text-accent: #2c7a7b;

  --color-primary: #319795;
  --color-primary-light: #81e6d9;
  --color-accent: #ed8936;
  --color-accent-hover: #dd6b20;

  --color-border: #e2e8f0;
  --color-border-soft: rgba(0, 0, 0, 0.05);

  /* Typography */
  --font-family: 'Noto Sans JP', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.06);
  --shadow-cta: 0 8px 20px rgba(237, 137, 54, 0.25);
  --shadow-cta-hover: 0 12px 25px rgba(237, 137, 54, 0.35);

  /* Transitions */
  --transition-base: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.9;
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ═══════════════════════════════════════════
   Header
   ═══════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

/* Remove backdrop-filter when menu is open to prevent containing block issue */
.site-header.menu-open {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}

.site-header.menu-open .header-logo,
.site-header.menu-open.is-scrolled .header-logo {
  color: #fff;
}

.site-header.menu-open .header-logo i,
.site-header.menu-open.is-scrolled .header-logo i {
  color: #fff;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #fff;
  transition: color 0.4s ease;
  z-index: 101;
}

.site-header.is-scrolled .header-logo {
  color: var(--color-text-primary);
}

.header-logo i {
  font-size: 1.4em;
  color: var(--color-primary-light);
}

.site-header.is-scrolled .header-logo i {
  color: var(--color-primary);
}

/* Desktop nav */
.header-nav {
  display: none;
}

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

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: #fff;
  opacity: 1;
}

.site-header.is-scrolled .nav-link {
  color: var(--color-text-secondary);
}

.site-header.is-scrolled .nav-link:hover {
  color: var(--color-primary);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
  padding: 4px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.site-header.is-scrolled .hamburger-line {
  background: var(--color-text-primary);
}

.hamburger.is-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: #fff;
}

.hamburger.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: #fff;
}

/* Mobile menu overlay */
.header-nav.is-open {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgba(49, 151, 149, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn 0.3s ease;
}

.header-nav.is-open .nav-list {
  flex-direction: column;
  gap: var(--space-xl);
}

.site-header .header-nav.is-open .nav-link {
  font-size: var(--font-size-xl);
  color: #fff;
  font-weight: 700;
}

.site-header .header-nav.is-open .nav-link:hover {
  color: var(--color-primary-light);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-base);
}

ul {
  list-style: none;
}

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

strong {
  font-weight: 700;
  color: var(--color-primary);
}

/* ═══════════════════════════════════════════
   Section Base
   ═══════════════════════════════════════════ */
.section {
  padding: var(--space-2xl) var(--space-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.section-inner {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  background: var(--color-bg-accent-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.section-heading {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════════
   Text Utilities
   ═══════════════════════════════════════════ */
.text-accent {
  color: var(--color-accent);
  position: relative;
  display: inline-block;
  z-index: 1;
}

.text-accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: -2px;
  right: -2px;
  height: 8px;
  background: rgba(237, 137, 54, 0.15);
  z-index: -1;
  border-radius: 4px;
}

.text-highlight {
  color: var(--color-primary);
  font-weight: 700;
}

/* ═══════════════════════════════════════════
   CTA Button
   ═══════════════════════════════════════════ */
.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  max-width: 440px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-cta);
  transition: all var(--transition-base);
  text-align: center;
}

.cta-button:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-cta-hover);
  transform: translateY(-3px);
}

.cta-arrow {
  font-size: 1.2em;
  transition: transform var(--transition-base);
}

.cta-button:hover .cta-arrow {
  transform: translateX(6px);
}

.cta-note {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(237, 137, 54, 0.4);
  }

  70% {
    box-shadow: 0 0 0 15px rgba(237, 137, 54, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(237, 137, 54, 0);
  }
}

.cta-button-final {
  animation: pulse 2s infinite;
}


/* ═══════════════════════════════════════════════
   HERO — Full-Bleed Photo Background
   ═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  /* small viewport height for mobile */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}

/* Background Image */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* Dark gradient overlay — readability + drama */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg,
      rgba(15, 23, 42, 0.7) 0%,
      rgba(15, 23, 42, 0.4) 50%,
      rgba(15, 23, 42, 0.6) 100%);
  z-index: 1;
}

/* Content layer */
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  padding: 100px var(--space-lg) 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

/* ── Hero Copy ── */
.hero-copy {
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 18px;
  background: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  animation: fadeInDown 0.8s ease both;
}

.hero-badge i {
  font-size: 1.2em;
  color: var(--color-accent);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-heading {
  margin-bottom: var(--space-md);
  line-height: 1.25;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}

.hero-heading-line {
  display: block;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero-heading-line--1 {
  font-size: var(--font-size-2xl);
  color: rgba(255, 255, 255, 0.85);
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-heading-line--accent {
  font-size: var(--font-size-4xl);
  color: #fff;
  position: relative;
  display: inline-block;
  animation: fadeInUp 0.8s 0.4s ease both;
}

/* Underline glow effect */
.hero-heading-line--accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary-light));
  border-radius: 3px;
  opacity: 0.7;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tagline {
  font-size: var(--font-size-xl);
  color: #fff;
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.8s 0.6s ease both;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.hero-tagline strong {
  color: var(--color-primary-light);
  font-weight: 700;
}

.hero-sub {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s 0.8s ease both;
}

.hero-sub strong {
  color: rgba(255, 255, 255, 0.9);
}

/* Hero CTA */
.cta-button--hero {
  max-width: 380px;
  margin-top: 0;
  font-size: var(--font-size-base);
  animation: fadeInUp 0.8s 1.0s ease both;
}

.cta-note--hero {
  color: rgba(255, 255, 255, 0.45);
  animation: fadeInUp 0.8s 1.1s ease both;
}

/* ── Hero Info Cards (Glass) ── */
.hero-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  animation: fadeInUp 0.8s 1.2s ease both;
}

.hero-info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.info-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.info-card-icon.warn {
  background: rgba(237, 137, 54, 0.15);
  color: #dd6b20;
}

.info-card-icon.recycle {
  background: rgba(49, 151, 149, 0.15);
  color: var(--color-primary);
}

.info-card-icon.clip {
  background: rgba(49, 151, 149, 0.1);
  color: #2c7a7b;
}

.info-card-body {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.info-card-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.info-card-text {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
}

/* ── Scroll Indicator (Line Style) ── */
.scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 5;
  cursor: pointer;
  animation: fadeInUp 0.8s 1.5s ease both;
}

.scroll-text {
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 600;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 1px;
  height: 100%;
  background: #fff;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    top: -100%;
  }

  100% {
    top: 100%;
  }
}


/* ═══════════════════════════════════════════
   Section 1: Mistakes
   ═══════════════════════════════════════════ */
.section-mistakes {
  background: var(--color-bg-sub);
  position: relative;
}

.section-mistakes::before {
  content: "";
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23f3f0eb' fill-opacity='1' d='M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,224C672,245,768,267,864,261.3C960,256,1056,224,1152,197.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
  background-size: cover;
  background-repeat: no-repeat;
}

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

.mistake-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.mistake-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.mistake-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #fff5f5;
  color: #e53e3e;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.mistake-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.mistake-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.advice-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.advice-icon {
  font-size: 2rem;
  color: var(--color-accent);
}

/* ═══════════════════════════════════════════
   Section 2: Steps
   ═══════════════════════════════════════════ */
.section-steps {
  background: #fff;
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.step-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.step-visual {
  position: relative;
}

.step-number-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  z-index: 2;
  border: 2px solid #fff;
}

.step-image {
  border-radius: var(--radius-md);
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.step-content {
  padding: var(--space-sm);
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.step-connector-vertical {
  width: 2px;
  height: 30px;
  background: var(--color-border);
  margin: 0 auto;
}

/* ═══════════════════════════════════════════
   Section 3: Compare
   ═══════════════════════════════════════════ */
.section-compare {
  background: var(--color-bg-sub);
}

.compare-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.compare-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.compare-card.featured {
  border: 2px solid var(--color-accent);
  position: relative;
}

.compare-card.featured::before {
  content: "おすすめ";
  position: absolute;
  top: -12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.compare-icon {
  font-size: 2rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}

.compare-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.compare-result {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--font-size-sm);
  width: 100%;
}

.tag-collect {
  background: #ebf8ff;
  color: #3182ce;
}

.tag-sell {
  background: #e6fffa;
  color: #319795;
}

.tag-both {
  background: #fffaf0;
  color: #dd6b20;
}

/* ═══════════════════════════════════════════
   Section 4: Persona
   ═══════════════════════════════════════════ */
.section-persona {
  background: #fff;
}

.persona-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.persona-item {
  background: var(--color-bg-base);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  transition: transform 0.3s ease;
}

.persona-item:hover {
  transform: translateY(-5px);
}

.persona-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.persona-item p {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.persona-closing {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-accent-light);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.closing-icon {
  font-size: 2rem;
  margin-bottom: -10px;
}

/* ═══════════════════════════════════════════
   Section 5: FAQ
   ═══════════════════════════════════════════ */
.section-faq {
  background: var(--color-bg-sub);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

.faq-q-icon {
  font-size: 1.5rem;
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.faq-q-text {
  flex: 1;
  font-weight: 700;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  background: var(--color-bg-sub);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.faq-item.is-open .faq-toggle {
  background: var(--color-primary);
  color: #fff;
  transform: rotate(180deg);
}

.faq-item.is-open .faq-question {
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: var(--color-bg-base);
}

.faq-item.is-open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 var(--space-lg) var(--space-lg);
  padding-left: calc(var(--space-lg) + 32px);
}

/* ═══════════════════════════════════════════
   Final CTA
   ═══════════════════════════════════════════ */
.section-final-cta {
  background: #fff;
  text-align: center;
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.final-cta-content {
  max-width: 480px;
  margin: 0 auto;
}

.final-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  opacity: 0.2;
}

.final-cta-lead {
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.final-cta-sub {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */
.site-footer {
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  background: #1a202c;
  color: rgba(255, 255, 255, 0.5);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-link {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #fff;
  opacity: 1;
}

.footer-divider {
  color: rgba(255, 255, 255, 0.15);
  font-size: var(--font-size-xs);
}

.footer-copy {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.3);
}

/* ═══════════════════════════════════════════
   Responsive: Desktop (768px+)
   ═══════════════════════════════════════════ */
/* ── Mobile-specific adjustments ── */
@media (max-width: 767px) {
  .hero-inner {
    padding: 90px var(--space-md) 70px;
  }

  .hero-heading-line--accent {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: var(--font-size-lg);
  }

  .hero-badge {
    font-size: var(--font-size-sm);
    padding: 6px 14px;
  }

  .article-body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

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

@media (min-width: 768px) {
  .section-inner {
    padding: 0 var(--space-lg);
  }

  /* Header desktop nav */
  .header-nav {
    display: block;
  }

  .hamburger {
    display: none;
  }

  /* Hero 2-column */
  .hero-inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    padding-top: 120px;
    padding-bottom: 100px;
  }

  .hero-copy {
    text-align: left;
  }

  .hero-heading-line--1 {
    font-size: var(--font-size-3xl);
  }

  .hero-heading-line--accent {
    font-size: var(--font-size-4xl);
  }

  .cta-button--hero {
    margin-left: 0;
  }

  .cta-note--hero {
    text-align: left;
  }

  /* Mistakes */
  .mistake-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .advice-box {
    flex-direction: row;
    text-align: left;
    padding: var(--space-xl);
  }

  /* Steps zigzag */
  .step-row {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-xl);
  }

  .step-row-reverse {
    direction: rtl;
  }

  .step-row-reverse .step-content,
  .step-row-reverse .step-visual {
    direction: ltr;
  }

  .step-visual {
    padding: 0;
  }

  /* Compare */
  .compare-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Persona */
  .persona-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Page title */
  .page-title {
    font-size: 2rem;
  }

  /* Blog grid */
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large desktop (1024px+) */
@media (min-width: 1024px) {
  .hero-heading-line--1 {
    font-size: var(--font-size-3xl);
  }

  .hero-heading-line--accent {
    font-size: 3.5rem;
  }

  .hero-tagline {
    font-size: var(--font-size-xl);
  }
}

/* ═══════════════════════════════════════════
   Sub-page / Article Layout
   ═══════════════════════════════════════════ */
.page-container {
  padding-top: 80px;
  /* Header height + buffer */
  min-height: 80vh;
}

/* Page Header */
.page-header {
  background: var(--color-bg-sub);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

/* Breadcrumb */
.breadcrumb {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-item a {
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: all 0.2s ease;
}

.breadcrumb-item a:hover {
  text-decoration-color: currentColor;
  color: var(--color-primary);
}

.breadcrumb-item::after {
  content: '>';
  margin-left: 8px;
  opacity: 0.5;
}

.breadcrumb-item:last-child::after {
  content: '';
  display: none;
}

/* Page Content Wrapper */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-2xl);
}

/* Article Typography */
.article-body h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-primary-light);
  line-height: 1.5;
}

.article-body h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-sm);
  line-height: 1.5;
  color: var(--color-text-primary);
}

.article-body p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
  color: var(--color-text-primary);
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.article-body li {
  margin-bottom: 8px;
  position: relative;
}

.article-body ul li::before {
  content: '';
  position: absolute;
  top: 10px;
  left: -18px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
}

.article-body th,
.article-body td {
  padding: 12px;
  border: 1px solid var(--color-border);
}

.article-body th {
  background: var(--color-bg-sub);
  font-weight: 700;
  text-align: left;
  color: var(--color-text-primary);
}

/* Common CTA in Article */
.article-cta-box {
  background: var(--color-bg-accent-light);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  margin: var(--space-xl) 0;
}

.article-cta-text {
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
  display: block;
}

/* Page Not Found / Simple Page */
.simple-page-wrap {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
}

/* Checklist Page */
.checklist-section {
  margin-bottom: 3rem;
}

.checklist-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
  padding-bottom: 4px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  padding: 10px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.check-box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-text {
  font-weight: 600;
}

/* Utility Boxes */
.highlight-box {
  background: #f7fafc;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.highlight-box--warm {
  background: #fffaf0;
  border-color: #f6ad55;
  margin-bottom: 2rem;
}

.contact-box {
  background: #f7fafc;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  font-weight: 700;
  margin: 2rem 0;
}

.contact-box a {
  color: var(--color-primary);
  font-size: 1.2rem;
  text-decoration: underline;
}

.back-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--color-primary);
}

.notice-box {
  margin-top: 40px;
  padding: 20px;
  background: #f7fafc;
  border-radius: 8px;
  text-align: center;
}

.notice-box p {
  color: #718096;
  margin-bottom: 0;
}

/* ═══════════════════════════════════════════
   Blog Cards
   ═══════════════════════════════════════════ */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.blog-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.blog-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.blog-card-body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.blog-card-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-card-date i {
  font-size: 1em;
}

.blog-card-category {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-bg-accent-light);
  color: var(--color-text-accent);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.blog-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: auto;
}

.blog-card-read {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-xs);
  transition: gap var(--transition-base);
}

.blog-card:hover .blog-card-read {
  gap: 8px;
}

/* Blog Section on Top Page */
.section-blog {
  background: var(--color-bg-sub);
}

.blog-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin: var(--space-xl) auto 0;
  padding: 14px 36px;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.blog-more-btn:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  opacity: 1;
}

.blog-more-btn i {
  font-size: 1.2em;
  transition: transform var(--transition-base);
}

.blog-more-btn:hover i {
  transform: translateX(4px);
}

/* Blog listing page wider grid */
.blog-listing-intro {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-base);
}

/* Article Detail — meta & related */
.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.article-category-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--color-bg-accent-light);
  color: var(--color-text-accent);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
}

.related-articles {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.related-articles h2 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  border-bottom: none;
  text-align: center;
  color: var(--color-text-primary);
}

@media (min-width: 960px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Blog listing wider content */
.page-content--wide {
  max-width: 1000px;
}