/* ========================================
   株式会社松一・コーポレーション
   Premium Landing Page Styles
   ======================================== */

/* CSS Variables */
:root {
  /* Primary Colors - Green Theme */
  --color-primary: #008000;
  --color-primary-dark: #005500;
  --color-primary-light: #00a000;
  --color-primary-pale: #E8F5E9;
  
  /* Accent Colors - Orange for CTAs */
  --color-accent: #FF6B00;
  --color-accent-dark: #E05A00;
  --color-accent-light: #FF8533;
  
  /* Warning/Attention Colors */
  --color-warning: #FF4444;
  --color-warning-bg: #FFF5F5;
  
  /* Text Colors */
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  
  /* Background Colors */
  --color-white: #FFFFFF;
  --color-bg-main: #FFFFFF;
  --color-bg-cream: #FFFEF5;
  --color-bg-gray: #F8F9FA;
  --color-bg-green: #E8F5E9;
  --color-bg-green-light: #F0F9F0;
  --color-border: #E0E0E0;
  
  /* Overlays */
  --color-overlay-dark: rgba(0, 0, 0, 0.7);
  --color-overlay-green: rgba(0, 80, 0, 0.85);
  
  /* Typography */
  --font-main: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Meiryo', 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: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.5rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-green: 0 4px 20px rgba(0, 128, 0, 0.25);
  --shadow-accent: 0 4px 20px rgba(255, 107, 0, 0.35);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Layout */
  --container-max: 560px;
  --content-max: 560px;
  --header-height: 60px;
  
  /* LP Style Background */
  --bg-outer: #E8F5E9;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--bg-outer);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   LP Wrapper - Salon Lepia Style
   PC: Centered narrow column with side margins
   SP: Full width, no margins
   ======================================== */
.lp-wrapper {
  max-width: var(--content-max);
  margin: 0 auto;
  background-color: var(--color-bg-main);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ========================================
   Container
   ======================================== */
.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================================
   Section Base
   ======================================== */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

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

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

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

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

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

.section--dark {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-bg-green);
  border-radius: var(--radius-full);
}

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

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

.section-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* SP Only Break */
.sp-only {
  display: inline;
}

/* PC Only Break */
.pc-only {
  display: none;
}

@media (min-width: 768px) {
  .sp-only {
    display: none;
  }
  .pc-only {
    display: inline;
  }
}
/* ========================================
   Header
   ======================================== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header__logo-img {
  width: 45px;
  height: 45px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background-color: var(--color-bg-gray);
  border: 2px solid var(--color-primary-pale);
}

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

.header__nav {
  display: none;
}

/* Header CTA - Small version for narrow layout */
.header__cta {
  display: flex !important;
  align-items: center;
  justify-content: center;
  padding: 6px 12px !important;
  font-size: 12px !important;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%) !important;
  color: var(--color-white) !important;
  border-radius: 6px !important;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
  height: 32px;
  max-height: 32px;
  line-height: 1;
}

.header__cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.header__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  padding: 10px;
  background-color: var(--color-bg-green);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.header__menu-btn:hover {
  background-color: var(--color-primary-pale);
}

.header__menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
  border-radius: 1px;
}

.header__menu-btn.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   Mobile Navigation
   ======================================== */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  opacity: 0;
  visibility: hidden;
  width: 100%;
  max-width: var(--content-max);
  max-height: calc(100vh - var(--header-height));
  background-color: var(--color-white);
  z-index: 999;
  transition: transform 0.3s ease-out, opacity 0.3s ease-out, visibility 0.3s;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.mobile-nav.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  padding: var(--spacing-md);
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-sm);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-green);
  border-radius: var(--radius-md);
}

.mobile-nav__cta {
  padding: var(--spacing-lg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 60, 0, 0.6) 0%,
    rgba(0, 80, 0, 0.55) 50%,
    rgba(0, 100, 0, 0.5) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  color: var(--color-white);
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.hero__tag {
  background-color: rgba(255, 255, 255, 0.15);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__catch {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__sub {
  font-size: var(--font-size-base);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero__features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.hero__feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-normal);
}

.hero__feature:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-3px);
}

.hero__feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-white) 0%, #f0f0f0 100%);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero__feature-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  line-height: 1.4;
}

/* ========================================
   CTA Buttons
   ======================================== */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: var(--transition-bounce);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: 0.5s;
}

.cta-btn:hover::before {
  left: 100%;
}

.cta-btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}

.cta-btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(255, 107, 0, 0.45);
}

.cta-btn--secondary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.cta-btn--secondary:hover {
  background: var(--color-bg-green);
  transform: translateY(-3px);
}

.cta-btn--outline {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.cta-btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta-btn--green {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-green);
}

.cta-btn--green:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 128, 0, 0.35);
}

.cta-btn--block {
  display: flex;
  width: 100%;
}

/* Floating Animation for CTA */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.cta-btn--floating {
  animation: float 3s ease-in-out infinite;
}

/* ========================================
   Problems Section
   ======================================== */
.problems {
  background-color: var(--color-bg-gray);
}

.problems__list {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.problem-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-warning);
  transition: var(--transition-normal);
}

.problem-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.problem-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-warning-bg) 0%, #FFE5E5 100%);
  color: var(--color-warning);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: 700;
  overflow: hidden;
}

.problem-card__icon img {
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.problem-card__content {
  flex: 1;
}

.problem-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.problem-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

.problems__message {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.6;
  box-shadow: var(--shadow-green);
}

/* ========================================
   Cause Section
   ======================================== */
.cause__list {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.cause-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-white);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.cause-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.cause-item__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 700;
}

.cause-item__text {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
}

.cause__conclusion {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-green);
}

.cause__conclusion-text {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.cause__conclusion-highlight {
  display: inline-block;
  font-size: var(--font-size-2xl);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-accent);
  letter-spacing: 0.05em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: var(--shadow-accent);
  }
  50% {
    box-shadow: 0 0 20px rgba(255, 107, 0, 0.6), 0 0 40px rgba(255, 107, 0, 0.3);
  }
}

/* ========================================
   Strengths Section
   ======================================== */
.strengths {
  background-color: var(--color-bg-green);
}

.strengths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.strength-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-xl) var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  overflow: hidden;
}

/* Background image overlay */
.strength-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
}

/* Individual card backgrounds */
.strength-card:nth-child(1)::after {
  background-image: url('../images/01.jpg');
}
.strength-card:nth-child(2)::after {
  background-image: url('../images/02.jpg');
}
.strength-card:nth-child(3)::after {
  background-image: url('../images/03.png');
}
.strength-card:nth-child(4)::after {
  background-image: url('../images/04.jpg');
}

.strength-card > * {
  position: relative;
  z-index: 1;
}

.strength-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  z-index: 2;
}

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

.strength-card__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-green);
}

.strength-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.strength-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.strength-card__list {
  margin-top: auto;
}

.strength-card__list li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.strength-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 50%;
}

/* ========================================
   Services Section
   ======================================== */
.services {
  background-color: var(--color-bg-cream);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

.service-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border: 1px solid var(--color-border);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-pale);
  transform: translateY(-2px);
}

.service-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-primary-pale) 100%);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  overflow: hidden;
}

.service-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ========================================
   Works Section
   ======================================== */
.works {
  background-color: var(--color-bg-gray);
}

.works__slider {
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.works__track {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  animation: scrollWorks 30s linear infinite;
  width: max-content;
}

.works__track:hover {
  animation-play-state: paused;
}

@keyframes scrollWorks {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.work-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.work-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.work-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.work-card__content {
  padding: var(--spacing-md);
}

.work-card__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.work-card__info {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
}

/* ========================================
   Flow Section
   ======================================== */
.flow {
  background-color: var(--color-bg-main);
}

.flow__timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.flow-step {
  position: relative;
  display: flex;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-xl);
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-step__number {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.flow-step__number span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-weight: 700;
  box-shadow: var(--shadow-green);
}

.flow-step::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 50px;
  width: 2px;
  height: calc(100% - 50px);
  background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-pale));
}

.flow-step:last-child::before {
  display: none;
}

.flow-step__content {
  flex: 1;
  padding-top: var(--spacing-sm);
}

.flow-step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.flow-step__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

.flow__note {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-primary-pale) 100%);
  border-radius: var(--radius-xl);
  font-weight: 600;
  color: var(--color-primary);
  border: 2px dashed var(--color-primary);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
  background-color: var(--color-bg-gray);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-lg);
  text-align: left;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-fast);
  gap: var(--spacing-md);
}

.faq-item__question:hover {
  background-color: var(--color-bg-green-light);
}

.faq-item__question span:first-child {
  flex: 1;
}

.faq-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-primary-pale) 100%);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 700;
  transition: var(--transition-normal);
}

.faq-item.active .faq-item__icon {
  transform: rotate(180deg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
}

.faq-item__answer {
  display: none;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.8;
}

.faq-item.active .faq-item__answer {
  display: block;
}

/* ========================================
   Company Section
   ======================================== */
.company {
  background-color: var(--color-bg-green);
}

.company__content {
  display: grid;
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.company__table {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.company__row {
  display: grid;
  grid-template-columns: 100px 1fr;
  border-bottom: 1px solid var(--color-border);
}

.company__row:last-child {
  border-bottom: none;
}

.company__label {
  padding: var(--spacing-md);
  background-color: var(--color-bg-green-light);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

.company__value {
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.company__value a {
  color: var(--color-primary);
  font-weight: 500;
}

.company__value a:hover {
  text-decoration: underline;
}

.company__philosophy {
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-bg-green-light) 100%);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  border: 2px solid var(--color-primary-pale);
}

.company__philosophy-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.company__philosophy-text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 2;
}

/* ========================================
   CTA Section (Contact)
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.cta-section__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.cta-section__subtitle {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  line-height: 1.8;
}

.cta-section__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 400px;
  margin: 0 auto var(--spacing-xl);
}

.cta-section__contact {
  display: grid;
  gap: var(--spacing-md);
  max-width: 600px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-normal);
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.contact-card__label {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
  opacity: 0.9;
}

.contact-card__value {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.contact-card__value a {
  color: var(--color-white);
}

.contact-card__value a:hover {
  text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__content {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer__logo-img {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background-color: var(--color-white);
}

.footer__logo-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.footer__info {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  line-height: 2;
}

.footer__info a {
  color: var(--color-white);
  opacity: 0.9;
}

.footer__info a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer__copyright {
  text-align: center;
  font-size: var(--font-size-xs);
  opacity: 0.5;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   Page Top Button
   ======================================== */
.page-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-green);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: 100;
  cursor: pointer;
}

.page-top.visible {
  opacity: 1;
  visibility: visible;
}

.page-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 128, 0, 0.4);
}

/* ========================================
   Fade In Animation
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* Stagger Animation */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0.1s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.2s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.3s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.4s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.5s; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 0.6s; }

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

/* ========================================
   Responsive - Tablet (768px+)
   For narrow LP layout, we keep most layouts single-column
   ======================================== */
@media (min-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .sp-only {
    display: none;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  /* Header - Keep hamburger menu for narrow LP layout */
  /* Navigation and CTA are hidden, use mobile menu only */

  /* Hero - Adjust for narrow width */
  .hero__catch {
    font-size: var(--font-size-3xl);
  }

  .hero__sub {
    font-size: var(--font-size-base);
  }

  /* Keep hero features in 2x2 grid */
  .hero__features {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }

  /* Problems - Keep single column */
  /* .problems__list stays 1-column */

  /* Cause - Keep single column */
  /* .cause__list stays 1-column */

  /* Strengths - 1 column for cards (vertical layout) */
  .strengths__grid {
    grid-template-columns: 1fr;
  }

  /* Services - 2 columns on PC */
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  /* Works - Smaller cards for narrow layout */
  .work-card {
    flex: 0 0 260px;
  }
  
  .work-card__image {
    height: 180px;
  }

  /* CTA Section - Stack buttons */
  .cta-section__buttons {
    flex-direction: column;
  }

  .cta-section__contact {
    grid-template-columns: 1fr;
  }

  /* Company - Stack labels */
  .company__row {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  /* Footer - Stack */
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* ========================================
   Responsive - Desktop (1024px+)
   For narrow LP layout, these settings are minimal
   ======================================== */
@media (min-width: 1024px) {
  /* Keep narrow layout - no additional grid changes */
}

/* ========================================
   Responsive - Large Desktop (1280px+)
   For narrow LP layout, keep consistent styling
   ======================================== */
@media (min-width: 1280px) {
  /* Keep narrow layout - no additional changes */
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.text-accent {
  color: var(--color-accent);
}

.highlight {
  position: relative;
  display: inline;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(0, 128, 0, 0.2);
  z-index: -1;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Print Styles */
@media print {
  .header,
  .mobile-nav,
  .page-top,
  .cta-btn {
    display: none !important;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  body {
    font-size: 12pt;
  }
}