/* ==========================================================================
   クリーンホーム横浜 - Landing Page Stylesheet
   シンプル・清潔感重視 / 白ベース + ブルーアクセント
   ========================================================================== */

:root {
  --color-white: #ffffff;
  --color-bg-soft: #f4f8fb;
  --color-border: #e1e8ef;
  --color-text: #263241;
  --color-text-muted: #62707e;

  --color-blue: #1e7fd1;
  --color-blue-dark: #15629f;
  --color-blue-soft: #e8f2fb;

  --container-width: 1080px;
  --radius-sm: 6px;
  --radius-md: 12px;

  --transition-fast: 0.18s ease;
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  /* 下部固定CTAバー分の余白（モバイル） */
  padding-bottom: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

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

h1, h2, h3, p, ul, ol, dl, figure {
  margin: 0;
}

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

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

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

input, textarea, select {
  font: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-blue);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), transform var(--transition-fast);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-blue-dark);
}

.btn-outline {
  background: var(--color-white);
  color: var(--color-blue);
  border-color: var(--color-blue);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-blue-soft);
}

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

.btn-outline-white:hover,
.btn-outline-white:focus-visible {
  background: rgba(255, 255, 255, 0.15);
}

.btn-large {
  padding: 1.1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-small {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  background: var(--color-blue);
  color: var(--color-white);
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-tel {
  text-align: right;
  line-height: 1.3;
}

.header-tel-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.header-tel-number {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-blue);
}

/* --------------------------------------------------------------------------
   Section shared
   -------------------------------------------------------------------------- */

.section {
  padding-block: 4.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-lead {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 3rem;
}

.worries .section-title,
.reasons .section-title,
.flow .section-title {
  margin-bottom: 3rem;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  background: linear-gradient(180deg, var(--color-blue-soft) 0%, var(--color-white) 100%);
  padding-block: 3.5rem 3rem;
}

.hero-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-area {
  display: inline-block;
  background: var(--color-white);
  border: 1px solid var(--color-blue);
  color: var(--color-blue-dark);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(1.9rem, 5.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.hero-price {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero-price strong {
  color: var(--color-blue-dark);
  font-size: 1.5rem;
}

.hero-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-image {
  margin-top: 3rem;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 3 / 2;
  background: repeating-linear-gradient(135deg, #eef4f9 0 2px, #f8fbfd 2px 32px);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   Worries
   -------------------------------------------------------------------------- */

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

.worry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.worry-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.worry-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.worry-card p {
  font-weight: 700;
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Pricing
   -------------------------------------------------------------------------- */

.pricing {
  background: var(--color-bg-soft);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  position: relative;
}

.pricing-card--featured {
  border-color: var(--color-blue);
  border-width: 2px;
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  right: 1.25rem;
  background: var(--color-blue);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
}

.pricing-media {
  aspect-ratio: 4 / 3;
  background: repeating-linear-gradient(135deg, #eef4f9 0 2px, #f8fbfd 2px 32px);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  overflow: hidden;
}

.pricing-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pricing-card h3 {
  font-size: 1.02rem;
  font-weight: 700;
}

.pricing-price {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-blue-dark);
}

.pricing-price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Reasons
   -------------------------------------------------------------------------- */

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

.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.reason-card {
  text-align: center;
  padding: 2rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.reason-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--color-blue-soft);
  border-radius: 50%;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}

.reason-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.reason-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Flow
   -------------------------------------------------------------------------- */

.flow {
  background: var(--color-bg-soft);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.flow-step {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.flow-num {
  display: inline-block;
  color: var(--color-blue);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.flow-step h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.flow-step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   CTA block
   -------------------------------------------------------------------------- */

.cta-block {
  background: var(--color-blue);
  color: var(--color-white);
  text-align: center;
}

.cta-title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.cta-text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.25rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Contact form
   -------------------------------------------------------------------------- */

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

.contact-form {
  max-width: 32rem;
  margin-inline: auto;
}

.form-row {
  margin-bottom: 1.5rem;
}

.form-row label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

.required {
  color: var(--color-blue-dark);
  font-size: 0.7rem;
  font-weight: 700;
  border: 1px solid var(--color-blue-dark);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  margin-left: 0.25rem;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px var(--color-blue-soft);
  outline: none;
}

.form-row textarea {
  resize: vertical;
}

.form-error {
  color: #c0392b;
  font-size: 0.8rem;
  margin-top: 0.35rem;
  min-height: 1rem;
}

.form-row input.is-invalid,
.form-row textarea.is-invalid {
  border-color: #c0392b;
}

.contact-success {
  max-width: 32rem;
  margin-inline: auto;
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--color-blue-soft);
  border-radius: var(--radius-md);
}

.contact-success-icon {
  width: 3.25rem;
  height: 3.25rem;
  line-height: 3.25rem;
  border-radius: 50%;
  background: var(--color-blue);
  color: var(--color-white);
  font-size: 1.4rem;
  margin: 0 auto 1.25rem;
}

.contact-success h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.contact-success p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  padding-block: 3rem;
}

.footer-logo {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.footer-info dt {
  font-size: 0.78rem;
  color: var(--color-blue-dark);
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.footer-info dd {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-info a {
  color: var(--color-blue-dark);
  font-weight: 700;
}

.footer-bottom {
  padding-block: 1.25rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Mobile fixed CTA bar
   -------------------------------------------------------------------------- */

.mobile-cta-bar {
  display: none;
}

/* --------------------------------------------------------------------------
   Responsive - tablet
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .worry-grid,
  .pricing-grid,
  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .reason-grid {
    grid-template-columns: 1fr;
    max-width: 26rem;
    margin-inline: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-info {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* --------------------------------------------------------------------------
   Responsive - mobile
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .section {
    padding-block: 3rem;
  }

  /* 電話・見積もりの導線は下部固定CTAバーに集約し、
     ヘッダーはロゴのみのシンプルな表示にして折り返し崩れを防ぐ */
  .header-actions {
    display: none;
  }

  .worry-grid,
  .pricing-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  /* スマホでは画面下部に固定CTAバーを表示するため、
     コンテンツがバーの下に隠れないよう余白を確保する */
  body {
    padding-bottom: 4.5rem;
  }

  .mobile-cta-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  }

  .mobile-cta-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 1rem 0.5rem;
    font-weight: 700;
    font-size: 0.95rem;
  }

  .mobile-cta-btn--tel {
    background: var(--color-white);
    color: var(--color-blue-dark);
  }

  .mobile-cta-btn--form {
    background: var(--color-blue);
    color: var(--color-white);
  }
}

@media (max-width: 400px) {
  .container {
    padding-inline: 1.1rem;
  }
}