/* ============================================
   C05 Sakura不動産 — Style Sheet
   Concept: Property catalog × Housing aspiration × Elegant
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-blush: #F5E6E8;
  --color-ink: #1A1A1A;
  --color-gold: #C9A961;
  --color-ecru: #FAF7F2;
  --color-text-sub: #6B6B6B;
  --color-white: #FFFFFF;
  --color-border: #E8E2DC;
  --color-gold-light: rgba(201, 169, 97, 0.12);
  --color-blush-deep: #ECD4D8;

  --font-display: 'Tenor Sans', serif;
  --font-body: 'Outfit', sans-serif;
  --font-jp: 'Noto Serif JP', serif;

  --container-max: 1200px;
  --section-padding: 100px 0;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
  --transition: 0.3s ease;
}

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

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

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

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

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

ul, ol {
  list-style: none;
}

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

select {
  font-family: inherit;
}

/* ---------- Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only {
  display: none;
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header__label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.section-header__title {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 2rem;
  color: var(--color-ink);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.section-header__desc {
  font-size: 0.9375rem;
  color: var(--color-text-sub);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.9;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: 0.02em;
}

.header__logo-icon {
  font-size: 1.5rem;
}

.header__logo-accent {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 0.875rem;
  margin-left: 2px;
}

.header__nav {
  display: flex;
}

.header__nav-list {
  display: flex;
  gap: 32px;
}

.header__nav-link {
  font-family: var(--font-jp);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text-sub);
  transition: color var(--transition);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.header__nav-link:hover {
  color: var(--color-ink);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__search-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sub);
  transition: color var(--transition);
  border-radius: 50%;
}

.header__search-btn:hover {
  color: var(--color-gold);
}

.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.header__menu-btn span {
  display: block;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 26, 0.55) 0%,
    rgba(26, 26, 26, 0.25) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: 0 24px;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 3.25rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.hero__description {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 400;
  line-height: 2;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-family: var(--font-jp);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.hero__btn--primary:hover {
  background: #b8963f;
  transform: translateY(-2px);
}

.hero__btn--secondary {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.hero__btn--secondary:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Featured Properties
   ============================================ */
.featured {
  padding: var(--section-padding);
  background: var(--color-ecru);
}

.featured__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

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

.featured-card__img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.featured-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-card:hover .featured-card__img {
  transform: scale(1.05);
}

.featured-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 14px;
  font-family: var(--font-jp);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 20px;
  color: var(--color-white);
}

.featured-card__badge--new {
  background: var(--color-gold);
}

.featured-card__badge--recommend {
  background: #D4766E;
}

.featured-card__body {
  padding: 24px;
}

.featured-card__name {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 1.0625rem;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.featured-card__price {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text-sub);
  margin-bottom: 14px;
}

.featured-card__price-num {
  font-size: 1.625rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.featured-card__details {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 0.8125rem;
  color: var(--color-text-sub);
}

.featured-card__detail strong {
  color: var(--color-ink);
  font-weight: 500;
}

.featured-card__note {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  line-height: 1.6;
}

/* ============================================
   Search UI
   ============================================ */
.search {
  padding: var(--section-padding);
  background: var(--color-white);
}

.search__tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 32px;
}

.search__tab {
  padding: 10px 40px;
  font-family: var(--font-jp);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-sub);
  background: var(--color-ecru);
  border-radius: var(--radius) var(--radius) 0 0;
  border: 1px solid var(--color-border);
  border-bottom: none;
  transition: var(--transition);
}

.search__tab--active {
  background: var(--color-white);
  color: var(--color-gold);
  border-color: var(--color-gold);
  border-bottom: 2px solid var(--color-white);
  position: relative;
  z-index: 1;
  margin-bottom: -1px;
}

.search__tab:hover:not(.search__tab--active) {
  color: var(--color-ink);
}

.search__panel {
  background: var(--color-ecru);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.search__filters {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 20px;
  align-items: end;
}

.search__filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search__label {
  font-family: var(--font-jp);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0.04em;
}

.search__select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B6B6B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
  transition: border-color var(--transition);
}

.search__select:focus {
  outline: none;
  border-color: var(--color-gold);
}

.search__select:hover {
  border-color: var(--color-gold);
}

.search__filter-group--btn {
  display: flex;
  justify-content: flex-end;
}

.search__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-family: var(--font-jp);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-white);
  background: var(--color-gold);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.search__btn:hover {
  background: #b8963f;
  transform: translateY(-1px);
}

.search__btn svg {
  flex-shrink: 0;
}

/* ============================================
   Property List
   ============================================ */
.properties {
  padding: var(--section-padding);
  background: var(--color-ecru);
}

.properties__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.property-card__img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.property-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.property-card:hover .property-card__img {
  transform: scale(1.05);
}

.property-card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 12px;
  font-family: var(--font-jp);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 16px;
  color: var(--color-white);
}

.property-card__badge--new {
  background: var(--color-gold);
}

.property-card__badge--recommend {
  background: #D4766E;
}

.property-card__body {
  padding: 18px 20px 20px;
}

.property-card__name {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 0.9375rem;
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.property-card__price {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  margin-bottom: 10px;
}

.property-card__price-num {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.property-card__details {
  display: flex;
  gap: 14px;
  margin-bottom: 6px;
  font-size: 0.8125rem;
  color: var(--color-text-sub);
}

.property-card__detail strong {
  color: var(--color-ink);
  font-weight: 500;
}

.property-card__location {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.property-card__note {
  font-size: 0.6875rem;
  color: var(--color-text-sub);
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
  line-height: 1.6;
}

.properties__more {
  text-align: center;
  margin-top: 48px;
}

.properties__more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 48px;
  font-family: var(--font-jp);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius);
  transition: var(--transition);
}

.properties__more-btn:hover {
  background: var(--color-gold);
  color: var(--color-white);
}

/* ============================================
   About
   ============================================ */
.about {
  padding: var(--section-padding);
  background: var(--color-white);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__text .section-header__label {
  text-align: left;
}

.about__text .section-header__title {
  text-align: left;
  margin-bottom: 24px;
}

.about__philosophy {
  font-family: var(--font-jp);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 2;
  color: var(--color-ink);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.about__description {
  font-size: 0.9375rem;
  color: var(--color-text-sub);
  line-height: 2;
  margin-bottom: 36px;
}

.about__stats {
  display: flex;
  gap: 40px;
}

.about__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.about__stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.about__stat-label {
  font-family: var(--font-jp);
  font-size: 0.75rem;
  color: var(--color-text-sub);
  letter-spacing: 0.06em;
}

.about__visual {
  display: flex;
  justify-content: center;
}

.about__visual-block {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-blush) 0%, var(--color-blush-deep) 50%, var(--color-ecru) 100%);
  border-radius: var(--radius-lg);
  position: relative;
}

.about__visual-block::before {
  content: '';
  position: absolute;
  top: -16px;
  right: -16px;
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-gold);
  border-radius: var(--radius);
  opacity: 0.4;
}

.about__visual-block::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: -12px;
  width: 60px;
  height: 60px;
  background: var(--color-gold-light);
  border-radius: 50%;
}

/* ============================================
   Access
   ============================================ */
.access {
  padding: var(--section-padding);
  background: var(--color-ecru);
}

.access__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.access__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.access__item {
  display: flex;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.access__item:first-child {
  padding-top: 0;
}

.access__term {
  font-family: var(--font-jp);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-sub);
  min-width: 80px;
  letter-spacing: 0.04em;
}

.access__desc {
  font-size: 0.9375rem;
  color: var(--color-ink);
  line-height: 1.8;
}

.access__map-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-blush);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sub);
  font-size: 0.875rem;
  font-family: var(--font-jp);
  border: 1px dashed var(--color-border);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.footer__logo-accent {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 0.8125rem;
  margin-left: 2px;
}

.footer__tagline {
  font-family: var(--font-jp);
  font-size: 0.8125rem;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer__link-title {
  font-family: var(--font-jp);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.footer__link-list li {
  margin-bottom: 10px;
}

.footer__link-list a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

.footer__link-list a:hover {
  color: var(--color-gold);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
}

.footer__copyright {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.02em;
}

/* ============================================
   Media Queries — 768px
   ============================================ */
@media (max-width: 768px) {
  :root {
    --section-padding: 72px 0;
  }

  .sp-only {
    display: inline;
  }

  /* Header */
  .header__nav {
    display: none;
  }

  .header__menu-btn {
    display: flex;
  }

  .header__inner {
    height: 60px;
  }

  /* Hero */
  .hero {
    min-height: 500px;
    max-height: 700px;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__subtitle {
    font-size: 0.75rem;
  }

  .hero__description {
    font-size: 0.875rem;
  }

  .hero__btn {
    padding: 12px 28px;
    font-size: 0.8125rem;
  }

  /* Section Headers */
  .section-header {
    margin-bottom: 40px;
  }

  .section-header__title {
    font-size: 1.625rem;
  }

  /* Featured */
  .featured__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .featured-card__body {
    padding: 20px;
  }

  /* Search */
  .search__filters {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .search__panel {
    padding: 24px;
  }

  .search__tab {
    padding: 8px 28px;
    font-size: 0.8125rem;
  }

  .search__filter-group--btn {
    justify-content: stretch;
  }

  .search__btn {
    width: 100%;
    justify-content: center;
  }

  /* Properties */
  .properties__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* About */
  .about__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__text .section-header__label,
  .about__text .section-header__title {
    text-align: center;
  }

  .about__philosophy {
    text-align: center;
    font-size: 1rem;
  }

  .about__description {
    text-align: center;
  }

  .about__stats {
    justify-content: center;
    gap: 32px;
  }

  .about__visual-block {
    max-width: 400px;
    margin: 0 auto;
  }

  /* Access */
  .access__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer__links {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
  }
}

/* ============================================
   Media Queries — 480px
   ============================================ */
@media (max-width: 480px) {
  :root {
    --section-padding: 56px 0;
  }

  .container {
    padding: 0 16px;
  }

  /* Hero */
  .hero {
    min-height: 440px;
    max-height: 600px;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .hero__actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero__btn {
    width: 100%;
  }

  /* Section Headers */
  .section-header__title {
    font-size: 1.375rem;
  }

  .section-header__desc {
    font-size: 0.8125rem;
  }

  /* Featured */
  .featured-card__price-num {
    font-size: 1.375rem;
  }

  /* Properties */
  .properties__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .property-card__body {
    padding: 14px 16px 16px;
  }

  .property-card__price-num {
    font-size: 1.25rem;
  }

  /* Search */
  .search__tabs {
    gap: 0;
  }

  .search__tab {
    flex: 1;
    padding: 8px 16px;
  }

  .search__panel {
    padding: 20px 16px;
  }

  /* About */
  .about__stats {
    flex-direction: column;
    gap: 20px;
  }

  .about__philosophy {
    font-size: 0.9375rem;
  }

  /* Footer */
  .footer__links {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .footer__inner {
    padding-bottom: 36px;
  }
}