/* ===================================
   ParkWise 公開サイト - スタイルシート
   =================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #0097A7;
  --color-primary-dark: #00838F;
  --color-primary-light: #B2EBF2;
  --color-accent: #06C755;
  --color-accent-dark: #05B04C;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #fff;
  --color-bg-light: #F8FAFB;
  --color-border: #E0E0E0;
  --font-body: "Noto Sans JP", sans-serif;
  --font-heading: "Space Grotesk", "Noto Sans JP", sans-serif;
  --radius: 0.5rem;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --max-width: 1200px;
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 4rem 0;
}

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

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header__logo span {
  color: var(--color-text);
}

.nav__list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger__line {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 5rem 0;
  text-align: center;
}

.hero__title {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

.btn--accent:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* --- Cards --- */
.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

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

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-bg-light);
}

.card__body {
  padding: 1.25rem;
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.card__meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.card__price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 700;
}

.card__price small {
  font-size: 0.8rem;
  font-weight: 400;
}

/* --- Features --- */
.features {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.feature {
  text-align: center;
  padding: 1.5rem;
}

.feature__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature__title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature__text {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Section Header --- */
.section__header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section__title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.section__subtitle {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* --- CTA --- */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 4rem 0;
}

.cta__title {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.cta__text {
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

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

/* --- Contact --- */
.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.contact-card__title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.contact-card__qr {
  width: 200px;
  height: 200px;
  margin: 0 auto 1rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.85rem;
}

/* --- Detail Table --- */
.detail-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}

.detail-table th,
.detail-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.9rem;
}

.detail-table th {
  width: 120px;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-bg-light);
  white-space: nowrap;
}

.detail-table td {
  color: var(--color-text-light);
}

/* --- Privacy --- */
.prose {
  max-width: 800px;
  margin: 0 auto;
  line-height: 2;
}

.prose h2 {
  font-size: 1.25rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary);
}

.prose h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.prose p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.prose ul, .prose ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.prose li {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.3rem;
}

/* --- FAQ --- */
.faq__item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.faq__question {
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.faq__answer {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: 2rem 0;
  font-size: 0.85rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer__links a:hover {
  color: #fff;
}

/* --- Badge / Tag --- */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 2rem;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge--available {
  background: #E8F5E9;
  color: #2E7D32;
}

.badge--few {
  background: #FFF8E1;
  color: #F57F17;
}

.badge--full {
  background: #FFEBEE;
  color: #C62828;
}

/* --- Filter --- */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* --- Responsive: Tablet (768px+) --- */
@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }

  .hero__title {
    font-size: 2.5rem;
  }

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

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

/* --- Responsive: Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .hero {
    padding: 6rem 0;
  }

  .hero__title {
    font-size: 3rem;
  }

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

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

/* --- Mobile Nav --- */
@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
  }

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