/* ========================================
   広告運用者のホームページ改善室 - スタイルシート
   ======================================== */

/* ----- CSS Variables（カラー・サイズの調整はここ） ----- */
:root {
  --color-primary: #1a5f7a;
  --color-primary-dark: #134a61;
  --color-primary-light: #e8f4f8;
  --color-accent: #2d8f6f;
  --color-accent-light: #e6f5ef;
  --color-text: #2c3e50;
  --color-text-light: #5a6c7d;
  --color-text-muted: #8a9bab;
  --color-bg: #ffffff;
  --color-bg-gray: #f7f9fb;
  --color-border: #e2e8f0;
  --color-white: #ffffff;

  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 16px;
  --line-height: 1.7;

  --container-max: 1120px;
  --container-padding: 20px;
  --section-padding: 80px;
  --section-padding-sp: 56px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);

  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
  scroll-padding-top: 72px;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  line-height: var(--line-height);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* ----- Utility ----- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.sp-only {
  display: none;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

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

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

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

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

.btn--sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

/* ----- Placeholder Images ----- */
.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #d4e8ef 100%);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
}

.placeholder-img--hero {
  aspect-ratio: 4 / 3;
  min-height: 280px;
}

.placeholder-img--sample {
  aspect-ratio: 16 / 10;
}

.placeholder-img--maintenance {
  aspect-ratio: 4 / 3;
  min-height: 200px;
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.header__logo {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  flex-shrink: 0;
}

.header__nav {
  display: none;
  gap: 28px;
}

.header__nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition);
}

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

.header__cta {
  display: none;
}

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

.header__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
}

.header__menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.header__menu-check:checked ~ .header__inner .header__menu-btn span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-check:checked ~ .header__inner .header__menu-btn span:nth-child(2) {
  opacity: 0;
}

.header__menu-check:checked ~ .header__inner .header__menu-btn span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header__mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px var(--container-padding) 24px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.header__menu-check:checked ~ .header__mobile-nav {
  display: flex;
}

.header__mobile-nav a {
  padding: 14px 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.header__mobile-nav .btn {
  margin-top: 12px;
}

/* ----- Hero ----- */
.hero {
  padding: calc(64px + 48px) 0 var(--section-padding-sp);
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.hero__label {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 100px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.hero__title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 20px;
  color: var(--color-text);
}

.hero__title-accent {
  color: var(--color-primary);
}

.hero__desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.hero__trust li {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  padding-left: 18px;
  position: relative;
}

.hero__trust li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ファーストビュー料金表示 */
.hero__pricing {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
}

.hero__monitor {
  display: inline-flex;
  align-items: center;
  margin: -10px 0 22px;
  padding: 6px 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 700;
}

.hero__pricing-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__pricing-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.hero__pricing-value {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.hero__pricing-unit {
  font-size: 0.875rem;
  font-weight: 500;
}

.hero__pricing-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* Before/Afterカード（ヒーロー） */
.ba-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.ba-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-bg-gray);
  border-bottom: 1px solid var(--color-border);
}

.ba-card__badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.ba-card__type {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.ba-card__body {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 16px;
}

.ba-panel {
  flex: 1;
  min-width: 0;
}

.ba-panel__label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: 100px;
}

.ba-panel--before .ba-panel__label {
  background: #f1f3f5;
  color: var(--color-text-muted);
}

.ba-panel--after .ba-panel__label {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.ba-panel__note {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.4;
}

.ba-card__arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-primary);
  opacity: 0.5;
}

.ba-card__arrow svg {
  width: 20px;
  height: 20px;
}

.ba-card__foot {
  padding: 10px 16px;
  background: var(--color-primary-light);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.ba-card__metric {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* Before/Afterモック画面 */
.ba-mock {
  border-radius: var(--radius-sm);
  padding: 8px;
  min-height: 120px;
}

.ba-mock--old {
  background: #e9ecef;
  border: 1px dashed #ced4da;
}

.ba-mock--new {
  background: var(--color-white);
  border: 1px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.ba-mock--compact {
  min-height: 80px;
  padding: 6px;
}

.ba-mock__bar {
  background: #adb5bd;
  border-radius: 2px;
  margin-bottom: 6px;
}

.ba-mock__bar--thin {
  height: 6px;
  width: 60%;
}

.ba-mock__block {
  background: #ced4da;
  border-radius: 2px;
  margin-bottom: 4px;
}

.ba-mock__block--xs {
  height: 10px;
  width: 80%;
}

.ba-mock__block--sm {
  height: 16px;
  width: 100%;
}

.ba-mock__block--md {
  height: 20px;
  flex: 1;
}

.ba-mock__text-line {
  height: 4px;
  background: #dee2e6;
  border-radius: 2px;
  margin-bottom: 4px;
  width: 90%;
}

.ba-mock__text-line--short {
  width: 55%;
}

.ba-mock__hero-area {
  height: 28px;
  background: linear-gradient(135deg, var(--color-primary-light), #d4e8ef);
  border-radius: 2px;
  margin-bottom: 6px;
}

.ba-mock__cta-btn {
  height: 12px;
  width: 70%;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 0 auto 6px;
}

.ba-mock__grid {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
}

/* ----- Section Common ----- */
.section {
  padding: var(--section-padding-sp) 0;
}

section[id] {
  scroll-margin-top: 72px;
}

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

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

.section__header {
  text-align: center;
  margin-bottom: 40px;
}

.section__header--light .section__label,
.section__header--light .section__title,
.section__header--light .section__lead {
  color: var(--color-white);
}

.section__header--light .section__lead {
  opacity: 0.85;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.section__label--light {
  color: rgba(255, 255, 255, 0.7);
}

.section__title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.section__lead {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section__cta {
  text-align: center;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.section__cta-text {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.section__cta--light .section__cta-text {
  color: rgba(255, 255, 255, 0.85);
}

/* ----- Problems ----- */
.problem-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.problem-card__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.problem-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.problem-card strong {
  color: var(--color-primary);
}

/* ----- Services ----- */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), border-color var(--transition);
}

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

.service-card__badge {
  position: absolute;
  top: -12px;
  left: 20px;
  padding: 4px 12px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: 100px;
}

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

.service-card--featured:hover {
  border-color: var(--color-primary);
}

.service-card__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: opacity var(--transition);
}

.service-card__link:hover {
  opacity: 0.75;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}

.service-card__list li {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  padding: 6px 0 6px 20px;
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ----- Strengths ----- */
.strength-intro {
  max-width: 720px;
  margin: 0 auto 32px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  text-align: center;
}

.strength-intro__text {
  font-size: 0.9375rem;
  line-height: 1.8;
  opacity: 0.9;
}

.strength-intro__text strong {
  font-size: 1.125rem;
  color: var(--color-white);
}

.strength-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.strength-card {
  padding: 24px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
}

.strength-card__num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
}

.strength-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.strength-card__desc {
  font-size: 0.875rem;
  opacity: 0.85;
  line-height: 1.7;
}

/* ----- Samples ----- */
.sample-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.sample-grid--ba {
  margin-bottom: 24px;
}

.sample-grid--sub {
  margin-bottom: 0;
}

.sample-card--ba .sample-card__body {
  border-top: 1px solid var(--color-border);
}

.sample-ba {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--color-bg-gray);
}

.sample-ba__panel {
  flex: 1;
  min-width: 0;
}

.sample-ba__label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.sample-ba__panel--after .sample-ba__label {
  color: var(--color-accent);
}

.sample-ba__arrow {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0.4;
}

.sample-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.sample-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.sample-card__body {
  padding: 20px;
}

.sample-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 8px;
}

.sample-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.sample-card__desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ----- Builder Before/After sample ----- */
.case-hero {
  padding: 128px 0 72px;
  background: var(--color-primary-light);
}

.case-hero__back {
  display: inline-block;
  margin-bottom: 28px;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.case-hero h1,
.case-cta h2 {
  font-size: 2rem;
  line-height: 1.45;
  margin-bottom: 18px;
}

.case-hero > .container > p:not(.section__label) {
  max-width: 720px;
  color: var(--color-text-light);
}

.case-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.case-hero__chips span {
  padding: 5px 10px;
  border: 1px solid rgba(26, 95, 122, 0.25);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.case-compare {
  display: grid;
  gap: 24px;
}

.case-screen {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

.case-screen--after { border-color: var(--color-accent); }

.case-screen__label {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

.case-screen--after .case-screen__label { color: var(--color-accent); }

.case-browser {
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #f3f4f5;
}

.case-browser__bar { height: 12px; background: #d9dde1; }
.case-browser__site { padding: 14px 14px 6px; font-size: 0.875rem; font-weight: 700; }
.case-browser__nav { padding: 0 14px 12px; font-size: 0.625rem; color: var(--color-text-muted); }
.case-browser__blank { min-height: 108px; padding: 42px 16px; background: #d7dbde; color: #707a82; font-size: 0.875rem; text-align: center; }
.case-browser__lines { padding: 16px; background: var(--color-white); }
.case-browser__lines i { display: block; width: 100%; height: 6px; margin: 7px 0; background: #dfe4e7; }
.case-browser__lines i:last-child { width: 65%; }
.case-browser__tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 12px; background: var(--color-white); }
.case-browser__tiles b { display: block; aspect-ratio: 1.3; background: #d5dade; }
.case-browser--after .case-browser__site { color: var(--color-primary); }
.case-browser--after .case-browser__nav { border-top: 1px solid var(--color-border); padding-top: 8px; }
.case-browser__hero { min-height: 128px; padding: 25px 18px; background: #a8c6d1; color: #173b4a; font-weight: 700; line-height: 1.55; }
.case-browser__hero span { display: block; width: max-content; max-width: 100%; margin-top: 16px; padding: 7px 10px; background: var(--color-accent); color: var(--color-white); font-size: 0.6875rem; }
.case-browser__heading { margin: 0; padding: 14px 14px 0; background: var(--color-white); font-size: 0.8125rem; font-weight: 700; }
.case-browser__tiles--photos b:nth-child(1) { background: #9db5a3; }
.case-browser__tiles--photos b:nth-child(2) { background: #c9aa82; }
.case-browser__tiles--photos b:nth-child(3) { background: #9cb7c4; }

.case-screen__points { margin-top: 18px; }
.case-screen__points li { padding: 7px 0 7px 18px; position: relative; font-size: 0.8125rem; color: var(--color-text-light); }
.case-screen__points li::before { content: '•'; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }

.case-point-grid { display: grid; gap: 16px; }
.case-point-grid article { padding: 24px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.case-point-grid span { color: var(--color-accent); font-size: 0.8125rem; font-weight: 700; }
.case-point-grid h3 { margin: 8px 0; font-size: 1rem; }
.case-point-grid p { color: var(--color-text-light); font-size: 0.875rem; }

.case-cta { padding: 72px 0; background: var(--color-primary); color: var(--color-white); text-align: center; }
.case-cta h2 { font-size: 1.5rem; }
.case-cta p:not(.section__label) { margin-bottom: 24px; opacity: 0.88; }

/* ----- Pricing ----- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.pricing-card {
  position: relative;
  padding: 32px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

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

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
}

.pricing-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pricing-card__price {
  margin-bottom: 4px;
}

.pricing-card__amount {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-primary);
}

.pricing-card__note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.pricing-card__features {
  text-align: left;
  margin-bottom: 24px;
}

.pricing-card__features li {
  font-size: 0.875rem;
  color: var(--color-text-light);
  padding: 8px 0 8px 24px;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.8125rem;
}

.pricing-note {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 24px;
}

.pricing-monitor {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--color-white);
  border: 1px solid rgba(45, 143, 111, 0.24);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.pricing-monitor__label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
}

.pricing-monitor__text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.pricing-banner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  margin-top: 40px;
  padding: 24px;
  background: var(--color-accent-light);
  border: 1px solid rgba(45, 143, 111, 0.2);
  border-radius: var(--radius-md);
}

.pricing-banner__label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.pricing-banner__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.pricing-banner__title strong {
  color: var(--color-accent);
  font-size: 1.25rem;
}

.pricing-banner__desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ----- Maintenance ----- */
.section--maintenance {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-accent-light) 100%);
}
.maintenance-box {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 32px 24px;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(45, 143, 111, 0.15);
}

.maintenance-plan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 22px;
}

.maintenance-plan {
  padding: 16px;
  background: var(--color-white);
  border: 1px solid rgba(45, 143, 111, 0.16);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.maintenance-plan__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.maintenance-plan__price {
  display: block;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}

.maintenance-plan__price span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-left: 4px;
}

.maintenance-box__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin-bottom: 24px;
}

.maintenance-box__label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-accent);
}

.maintenance-box__amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.maintenance-box__unit {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.maintenance-box__list li {
  font-size: 0.9375rem;
  padding: 10px 0 10px 28px;
  position: relative;
  border-bottom: 1px solid rgba(45, 143, 111, 0.1);
}

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

.maintenance-box__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.maintenance-box__badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  margin-bottom: 16px;
}

.maintenance-box__lead {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.maintenance-box__note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 16px;
}

.maintenance-box__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.maintenance-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 24px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(45, 143, 111, 0.15);
}

.maintenance-flow__step {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-gray);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.maintenance-flow__step--active {
  background: var(--color-accent);
  color: var(--color-white);
}

.maintenance-flow__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.maintenance-flow__step--active .maintenance-flow__num {
  background: rgba(255, 255, 255, 0.25);
}

.maintenance-flow__arrow {
  font-size: 0.875rem;
  color: var(--color-accent);
  opacity: 0.5;
  line-height: 1;
}

/* ----- FAQ ----- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item__question {
  padding: 20px 48px 20px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  list-style: none;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.faq-item[open] .faq-item__question::after {
  content: '−';
}

.faq-item__answer {
  padding: 0 20px 20px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

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

.contact__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact__title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 16px;
}

.contact__desc {
  font-size: 0.9375rem;
  opacity: 0.9;
  margin-bottom: 20px;
  line-height: 1.7;
}

.contact__points li {
  font-size: 0.875rem;
  padding: 6px 0 6px 22px;
  position: relative;
  opacity: 0.9;
}

.contact__points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  font-weight: 700;
}

.contact__form-area {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: var(--color-text);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
}

.required {
  font-size: 0.75rem;
  color: #e53e3e;
  margin-left: 4px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__alt {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 16px;
}

.contact__alt a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ----- Footer ----- */
.footer {
  padding: 40px 0;
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
}

.footer__inner {
  text-align: center;
}

.footer__logo {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  margin-bottom: 20px;
}

.footer__nav a {
  font-size: 0.8125rem;
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__copy {
  font-size: 0.75rem;
}

/* ----- Fixed CTA (Mobile) ----- */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: flex;
  gap: 8px;
  padding: 12px var(--container-padding);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
}

.fixed-cta__sub {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-size: 0.8125rem;
}

.fixed-cta__main {
  flex: 1;
}

/* フッター分 + 固定CTA分の余白 */
body {
  padding-bottom: 72px;
}

/* ----- Mobile tweaks ----- */
@media (max-width: 479px) {
  .hero__pricing {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 16px;
  }

  .hero__pricing-divider {
    display: none;
  }

  .hero__pricing-item {
    flex: 1;
    min-width: calc(50% - 8px);
  }

  .hero__pricing-value {
    font-size: 1.1875rem;
  }

  .hero__monitor {
    display: flex;
    border-radius: var(--radius-sm);
    line-height: 1.5;
  }

  .ba-card__body {
    flex-direction: column;
  }

  .ba-card__arrow {
    justify-content: center;
    transform: rotate(90deg);
  }

  .sample-ba {
    flex-direction: column;
  }

  .sample-ba__arrow {
    transform: rotate(90deg);
  }

  .fixed-cta__sub {
    padding: 12px 10px;
    font-size: 0.75rem;
  }
}

/* ========================================
   Tablet (768px+)
   ======================================== */
@media (min-width: 768px) {
  .sp-only {
    display: none;
  }

  .hero {
    padding: calc(64px + 64px) 0 var(--section-padding);
  }

  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }

  .hero__content {
    flex: 1;
  }

  .hero__visual {
    flex: 0 0 42%;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__actions {
    flex-direction: row;
  }

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

  .section__title {
    font-size: 1.75rem;
  }

  .problem-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

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

  .pricing-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .maintenance-box__actions {
    flex-direction: row;
  }

  .section__cta--light {
    flex-direction: row;
    justify-content: center;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }

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

  .maintenance-box {
    flex-direction: row;
    align-items: center;
    padding: 40px;
  }

  .maintenance-box__content {
    flex: 1;
  }

  .maintenance-box__visual {
    flex: 0 0 36%;
  }

  .contact__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }

  .contact__content {
    flex: 1;
  }

  .contact__form-area {
    flex: 0 0 48%;
  }

  .fixed-cta {
    display: none;
  }

  body {
    padding-bottom: 0;
  }
}

/* ========================================
   Desktop (1024px+)
   ======================================== */
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }

  .header__cta {
    display: inline-flex;
  }

  .header__menu-btn {
    display: none;
  }

  .header__mobile-nav {
    display: none !important;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .section__title {
    font-size: 2rem;
  }

  .pricing-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .contact__title {
    font-size: 1.75rem;
  }
}

@media (min-width: 768px) {
  .case-hero h1 {
    font-size: 2.5rem;
  }

  .case-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-point-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}