/* ==========================================================================
   Web制作前の判断整理サービス LP - Style (Brushed Up)
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #1a3a5c;
  --color-primary-dark: #0f2740;
  --color-primary-light: #2d5a8a;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #888888;
  --color-bg: #ffffff;
  --color-bg-gray: #f7f8fa;
  --color-border: #e0e4e8;
  --color-border-light: #eef1f4;
  --color-accent: #1a3a5c;
  --color-success: #1b7340;
  --color-success-light: #e8f5ed;
  --color-error: #c53030;
  --color-error-bg: #fff5f5;
  --color-danger: #9b2c2c;
  --color-danger-light: #fff5f5;

  /* Typography */
  --font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Meiryo", sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-xs: 12px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  --line-height-base: 1.8;
  --line-height-tight: 1.5;
  --line-height-loose: 2;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 80px;
  --space-3xl: 100px;

  /* Layout */
  --container-max: 1100px;
  --container-narrow: 800px;
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: var(--line-height-tight);
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

a:hover {
  color: var(--color-primary-light);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

fieldset {
  margin: 0;
  padding: 0;
  border: none;
}

legend {
  padding: 0;
}

/* --------------------------------------------------------------------------
   Global Navigation
   -------------------------------------------------------------------------- */
.gnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.gnav--scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* メニューが開いているときはz-indexを上げて背景を透明に */
.gnav--menu-open {
  z-index: 2000;
  background-color: transparent !important;
  box-shadow: none !important;
}

.gnav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gnav__logo {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  transition: color 0.4s ease;
  position: relative;
  z-index: 2001;
}

.gnav--scrolled .gnav__logo {
  color: var(--color-primary);
}

.gnav--menu-open .gnav__logo {
  color: #fff;
}

.gnav__logo:hover {
  opacity: 0.8;
}

/* Hamburger Toggle (Mobile) */
.gnav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 2001;
}

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

.gnav--scrolled .gnav__toggle-bar {
  background-color: var(--color-text);
}

/* メニューが開いているときは白に */
.gnav--menu-open .gnav__toggle-bar {
  background-color: #fff;
}

/* Hamburger Animation */
.gnav__toggle--active .gnav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.gnav__toggle--active .gnav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.gnav__toggle--active .gnav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu */
.gnav__menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background-color: rgba(26, 58, 92, 0.98);
  padding: 80px var(--space-md) var(--space-lg);
  gap: var(--space-xs);
  overflow-y: auto;
  margin: 0;
  list-style: none;
}

.gnav__menu--open {
  display: flex;
}

.gnav__link {
  display: block;
  padding: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.gnav__link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.gnav__link--cta {
  background-color: #fff;
  color: var(--color-primary);
  text-align: center;
  margin-top: var(--space-sm);
}

.gnav__link--cta:hover {
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
}

/* Desktop Navigation */
@media (min-width: 1024px) {
  .gnav {
    padding: var(--space-sm) 0;
  }

  .gnav__toggle {
    display: none;
  }

  .gnav__menu {
    display: flex;
    flex-direction: row;
    position: static;
    background: none;
    padding: 0;
    gap: var(--space-xs);
    overflow: visible;
  }

  .gnav__link {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-sm);
    color: #fff;
  }

  .gnav--scrolled .gnav__link {
    color: var(--color-text);
  }

  .gnav__link:hover {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.7);
  }

  .gnav--scrolled .gnav__link:hover {
    color: var(--color-primary);
  }

  .gnav__link--cta {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin-top: 0;
    margin-left: var(--space-xs);
  }

  .gnav__link--cta:hover {
    background-color: #fff;
    color: var(--color-primary);
    border-color: #fff;
  }

  .gnav--scrolled .gnav__link--cta {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
  }

  .gnav--scrolled .gnav__link--cta:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
  }
}

/* --------------------------------------------------------------------------
   Accessibility
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
}

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

@media (min-width: 768px) {
  .section {
    padding: var(--space-2xl) 0;
  }
}

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

.section--form {
  background-color: var(--color-bg-gray);
  padding-bottom: var(--space-2xl);
}

.section__title {
  font-size: var(--font-size-2xl);
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .section__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-xl);
  }
}

.section__lead {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

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

.section__body--center {
  text-align: center;
}

.section__closing {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-top: var(--space-lg);
  font-weight: 500;
}

.section__note {
  text-align: center;
  color: var(--color-text-light);
  margin-top: var(--space-lg);
}

.section__note--small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.section__note--emphasis {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.sp-only {
  display: inline;
}

@media (min-width: 768px) {
  .sp-only {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Button
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--primary:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.btn--white {
  background-color: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.btn--white:hover {
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--large {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-lg);
}

.btn--xlarge {
  padding: 18px var(--space-xl);
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-lg);
}

@media (max-width: 767px) {
  .btn--xlarge {
    display: block;
    width: 100%;
    padding: 16px var(--space-md);
  }
}

/* --------------------------------------------------------------------------
   Hero Section (with Background Image)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* 背景画像 - 実際の画像に差し替えてください */
  background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&h=1080&fit=crop&auto=format');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 58, 92, 0.85) 0%,
    rgba(15, 39, 64, 0.9) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-narrow);
  padding: var(--space-xl) var(--space-sm);
}

.hero__title {
  font-size: var(--font-size-2xl);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  color: #fff;
}

.hero__subtitle {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-loose);
}

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

.hero__price-amount {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: #fff;
}

.hero__price-unit {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
}

.hero__cta {
  display: inline-block;
  margin-bottom: var(--space-md);
}

.hero__note {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 768px) {
  .hero__inner {
    padding: var(--space-2xl) var(--space-md);
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

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

  .hero__price-amount {
    font-size: 64px;
  }
}

/* --------------------------------------------------------------------------
   Before Section (Card Grid)
   -------------------------------------------------------------------------- */
.before-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 600px) {
  .before-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .before-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
  }
}

.before-card {
  background-color: var(--color-bg);
  padding: var(--space-md);
  border-radius: var(--border-radius-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.before-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  border-radius: 50%;
  color: #fff;
}

.before-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Why Section (Text + Image Layout)
   -------------------------------------------------------------------------- */
.why-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .why-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

.why-content__text p {
  margin-bottom: 1.2em;
}

.why-content__image {
  order: -1;
}

@media (min-width: 768px) {
  .why-content__image {
    order: 0;
  }
}

.why-content__image img {
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
}

.highlight-box {
  background-color: var(--color-primary);
  color: #fff;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  margin-top: var(--space-md);
}

.highlight-box__text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

/* --------------------------------------------------------------------------
   What Section (Enhanced Cards with X)
   -------------------------------------------------------------------------- */
.what-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto var(--space-lg);
}

@media (min-width: 768px) {
  .what-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.what-card {
  background-color: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--border-radius-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
}

.what-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.what-card__icon {
  margin-bottom: var(--space-md);
}

.what-card__x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--color-danger-light);
  color: var(--color-danger);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  border-radius: 50%;
  border: 3px solid var(--color-danger);
}

.what-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.what-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   How Section (Card Grid)
   -------------------------------------------------------------------------- */
.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 600px) {
  .how-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .how-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
  }
}

.how-card {
  background-color: var(--color-bg);
  padding: var(--space-md);
  border-radius: var(--border-radius-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--color-primary);
  transition: all var(--transition-base);
}

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

.how-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-sm);
}

.how-card__title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.how-card__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Deliverables Section (Split Layout)
   -------------------------------------------------------------------------- */
.deliverables-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .deliverables-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

.deliverables-content__lead {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.deliverable-box {
  background-color: var(--color-bg);
  border: 3px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  text-align: center;
  margin-bottom: var(--space-md);
}

.deliverable-box__main {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.deliverable-box__sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

.deliverables-list li {
  position: relative;
  padding: var(--space-xs) 0 var(--space-xs) var(--space-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.deliverables-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.deliverables-content__image img {
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   Fit Grid (Enhanced Differentiation)
   -------------------------------------------------------------------------- */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .fit-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

.fit-box {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-xl);
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.fit-box__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
}

.fit-box--good .fit-box__header {
  background-color: var(--color-success);
  color: #fff;
}

.fit-box--bad .fit-box__header {
  background-color: #6b7280;
  color: #fff;
}

.fit-box__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: #fff;
  border-radius: 50%;
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.fit-box--good .fit-box__icon {
  color: var(--color-success);
}

.fit-box--bad .fit-box__icon {
  color: #6b7280;
}

.fit-box__label {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.fit-box__list {
  padding: var(--space-md);
}

.fit-box__list li {
  position: relative;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  border-bottom: 1px solid var(--color-border-light);
}

.fit-box__list li:last-child {
  border-bottom: none;
}

.fit-box--good .fit-box__list li::before {
  content: "○";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.fit-box--bad .fit-box__list li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: #9ca3af;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Proof Grid
   -------------------------------------------------------------------------- */
.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  max-width: var(--container-narrow);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .proof-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

.proof-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-xl);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.proof-card__industry {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border-light);
}

.proof-card__voice {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Flow Section (ご利用の流れ)
   -------------------------------------------------------------------------- */
.flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 400px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .flow-grid {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    max-width: 1100px;
  }
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--color-bg);
  border-radius: var(--border-radius-xl);
  padding: var(--space-lg) var(--space-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  position: relative;
  transition: all var(--transition-base);
}

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

@media (min-width: 900px) {
  .flow-step {
    flex: 1;
    max-width: 180px;
    padding: var(--space-lg) var(--space-sm);
  }
}

.flow-step__number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.flow-step__icon {
  width: 60px;
  height: 60px;
  margin: var(--space-xs) 0 var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-gray);
  border-radius: 50%;
  color: var(--color-primary);
}

.flow-step__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.flow-step__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Flow Arrow - モバイルでは非表示 */
.flow-step__arrow {
  display: none;
}

@media (min-width: 900px) {
  .flow-step__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-border);
    padding: var(--space-xl) var(--space-xs) 0;
    flex-shrink: 0;
  }
}

/* --------------------------------------------------------------------------
   Success Stories Section
   -------------------------------------------------------------------------- */
.story-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.story-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.story-card--alternative {
  border-color: #6b7280;
}

.story-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--color-bg-gray);
  border-bottom: 1px solid var(--color-border-light);
}

.story-card__industry {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 20px;
}

.story-card__result {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 20px;
}

.story-card__result--success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.story-card__result--alternative {
  background-color: #f3f4f6;
  color: #6b7280;
}

.story-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  padding: var(--space-md);
  padding-bottom: 0;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .story-card__title {
    font-size: var(--font-size-xl);
  }
}

.story-card__body {
  padding: var(--space-md);
}

.story-card__section {
  margin-bottom: var(--space-md);
}

.story-card__section:last-child {
  margin-bottom: 0;
}

.story-card__label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background-color: rgba(26, 58, 92, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: var(--space-xs);
}

.story-card__text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: var(--line-height-loose);
  margin: 0;
}

.story-card__note {
  padding: var(--space-md);
  background-color: #f9fafb;
  border-top: 1px solid var(--color-border-light);
}

.story-card__note p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Price Section (Enhanced Design)
   -------------------------------------------------------------------------- */
.price-section {
  max-width: 500px;
  margin: 0 auto;
}

.price-card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--color-primary);
  margin-bottom: var(--space-lg);
}

.price-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.price-card__amount {
  margin-bottom: var(--space-md);
}

.price-card__number {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
}

.price-card__unit {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text);
}

.price-card__tax {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

.price-card__divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin: var(--space-md) 0;
}

.price-card__includes-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.price-card__includes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs) var(--space-md);
  margin-bottom: var(--space-md);
}

.price-card__includes li {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.price-card__includes li::before {
  content: "✓ ";
  color: var(--color-success);
  font-weight: 700;
}

.price-card__notes {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.price-card__notes p {
  margin-bottom: var(--space-xs);
}

.price-card__notes p:last-child {
  margin-bottom: 0;
}

.price-cta {
  text-align: center;
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-item__q {
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-md);
  margin: 0;
  position: relative;
  padding-left: calc(var(--space-md) + 32px);
}

.faq-item__q::before {
  content: "Q";
  position: absolute;
  left: var(--space-md);
  top: var(--space-md);
  width: 26px;
  height: 26px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.faq-item__a {
  font-size: var(--font-size-base);
  padding: 0 var(--space-md) var(--space-md);
  padding-left: calc(var(--space-md) + 32px);
  color: var(--color-text-light);
  margin: 0;
  position: relative;
}

.faq-item__a::before {
  content: "A";
  position: absolute;
  left: var(--space-md);
  top: 0;
  width: 26px;
  height: 26px;
  background-color: var(--color-border);
  color: var(--color-text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Closing Section (with Background Image)
   -------------------------------------------------------------------------- */
.section-closing {
  position: relative;
  padding: var(--space-2xl) 0;
  /* 背景画像 - 実際の画像に差し替えてください */
  background-image: url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?w=1920&h=800&fit=crop&auto=format');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-closing__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 58, 92, 0.92) 0%,
    rgba(15, 39, 64, 0.95) 100%
  );
}

.section-closing__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: var(--container-narrow);
}

.section-closing__title {
  font-size: var(--font-size-2xl);
  color: #fff;
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .section-closing__title {
    font-size: var(--font-size-3xl);
  }
}

.section-closing__body {
  margin-bottom: var(--space-xl);
}

.section-closing__body p {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.2em;
  line-height: var(--line-height-loose);
}

@media (min-width: 768px) {
  .section-closing__body p {
    font-size: var(--font-size-lg);
  }
}

.section-closing__cta {
  text-align: center;
}

/* --------------------------------------------------------------------------
   Form
   -------------------------------------------------------------------------- */
.form {
  max-width: var(--container-narrow);
  margin: 0 auto;
  background-color: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .form {
    padding: var(--space-xl);
  }
}

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

.form__group--checkbox {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

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

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form__label--required::after {
  content: "必須";
  display: inline-block;
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: var(--space-xs);
  vertical-align: middle;
}

.form__label-optional {
  font-size: var(--font-size-xs);
  font-weight: normal;
  color: var(--color-text-muted);
  margin-left: var(--space-xs);
}

.form__input,
.form__textarea {
  display: block;
  width: 100%;
  padding: 14px var(--space-sm);
  font-size: 1rem;
  font-family: inherit;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__input--error,
.form__textarea--error {
  border-color: var(--color-error);
  background-color: var(--color-error-bg);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.form__error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
  min-height: 1.5em;
}

.form__error:empty {
  display: none;
}

/* Radio Group */
.form__radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.form__radio {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

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

.form__radio input[type="radio"] {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin: 2px 0 0 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form__radio-text {
  font-size: var(--font-size-base);
  line-height: 1.5;
}

/* Checkbox */
.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  padding: var(--space-sm);
  background-color: var(--color-bg-gray);
  border-radius: var(--border-radius-lg);
}

.form__checkbox input[type="checkbox"] {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin: 2px 0 0 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

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

/* Honeypot */
.form__hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* Submit */
.form__submit {
  text-align: center;
  margin-top: var(--space-xl);
}

/* Mobile Input Heights */
@media (max-width: 767px) {
  .form__input,
  .form__textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-primary-dark);
  color: #fff;
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer__company {
  font-size: var(--font-size-base);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

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

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  text-decoration: underline;
}

.footer__link:hover {
  color: #fff;
}

.footer__notes {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-loose);
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Thanks Page Styles
   -------------------------------------------------------------------------- */
.thanks {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-lg);
  text-align: center;
}

.thanks__icon {
  font-size: 56px;
  margin-bottom: var(--space-md);
  width: 80px;
  height: 80px;
  background-color: var(--color-success-light);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thanks__title {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.thanks__body {
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

.thanks__note {
  background-color: var(--color-bg-gray);
  padding: var(--space-md);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Confirm Page Styles
   -------------------------------------------------------------------------- */
.confirm {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-sm);
}

.confirm__title {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.confirm__lead {
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--color-text-light);
}

.confirm__table {
  width: 100%;
  background-color: var(--color-bg);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.confirm__row {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--color-border-light);
}

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

@media (min-width: 768px) {
  .confirm__row {
    flex-direction: row;
  }
}

.confirm__label {
  background-color: var(--color-bg-gray);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .confirm__label {
    width: 200px;
    flex-shrink: 0;
  }
}

.confirm__value {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  white-space: pre-wrap;
  word-break: break-word;
}

.confirm__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

@media (min-width: 768px) {
  .confirm__actions {
    flex-direction: row;
    justify-content: center;
  }
}

.confirm__back {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
  background-color: var(--color-bg-gray);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.confirm__back:hover {
  background-color: var(--color-border-light);
}

/* --------------------------------------------------------------------------
   Error Page Styles
   -------------------------------------------------------------------------- */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-lg);
  text-align: center;
}

.error-page__title {
  font-size: var(--font-size-2xl);
  color: var(--color-error);
  margin-bottom: var(--space-md);
}

.error-page__message {
  max-width: 500px;
  margin-bottom: var(--space-lg);
}

.error-list {
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  text-align: left;
}

.error-list li {
  color: var(--color-error);
  margin-bottom: var(--space-xs);
  padding-left: var(--space-md);
  position: relative;
}

.error-list li::before {
  content: "・";
  position: absolute;
  left: 0;
}

.error-list li:last-child {
  margin-bottom: 0;
}