/* ========================================
   Maison de Luna — Corporate Site
   Design: Monotone / High-end / Global
   ======================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-weight: 300;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

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

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

/* --- Scroll offset for fixed header --- */
[id] {
  scroll-margin-top: 72px;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #000;
}

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

.header__nav a {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #555;
  transition: color 0.3s;
}

.header__nav a:hover {
  color: #000;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #000;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(255, 255, 255, 0.02) 0%, transparent 60%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding: 0 32px;
}

.hero__sub {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero__lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.6);
}

/* --- Section --- */
.section {
  padding: 120px 32px;
}

.section--dark {
  background: #f5f5f5;
}

.section__inner {
  max-width: 960px;
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.section__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 12px;
}

.section__heading {
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 56px;
}

/* --- About Grid --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.about-card {
  padding: 0;
}

.about-card__num {
  display: block;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: #bbb;
  margin-bottom: 16px;
}

.about-card__title {
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.about-card__text {
  font-size: 0.875rem;
  line-height: 2;
  color: #555;
}

/* --- Info Table --- */
.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table tr {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.info-table th,
.info-table td {
  padding: 20px 0;
  font-size: 0.9375rem;
  font-weight: 300;
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 160px;
  color: #888;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.info-table td {
  color: #1a1a1a;
  line-height: 1.9;
}

.info-table__en {
  font-size: 0.8125rem;
  color: #888;
}

/* --- Contact --- */
.contact-lead {
  font-size: 0.9375rem;
  color: #555;
  line-height: 2;
  margin-bottom: 32px;
}

.contact-email {
  display: inline-block;
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #000;
  padding: 16px 48px;
  border: 1px solid #000;
  transition: background 0.3s, color 0.3s;
}

.contact-email:hover {
  background: #000;
  color: #fff;
}

/* --- Footer --- */
.footer {
  background: #000;
  color: #fff;
  padding: 64px 32px;
  text-align: center;
}

.footer__inner {
  max-width: 960px;
  margin: 0 auto;
}

.footer__logo {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.footer__nav {
  margin-bottom: 32px;
}

.footer__nav a {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s;
}

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

.footer__copy {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.06em;
}

/* --- Privacy Page --- */
.section--privacy {
  padding-top: 160px;
}

/* --- Privacy Policy --- */
.privacy-body {
  max-width: 720px;
}

.privacy-body p {
  font-size: 0.9375rem;
  color: #444;
  line-height: 2;
  margin-bottom: 20px;
}

.privacy-body h2 {
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #1a1a1a;
  margin-top: 40px;
  margin-bottom: 12px;
}

.privacy-body ul {
  margin: 0 0 20px 24px;
  font-size: 0.9375rem;
  color: #444;
  line-height: 2;
}

.privacy-date {
  margin-top: 56px;
  font-size: 0.8125rem;
  color: #888;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .header__inner {
    padding: 0 20px;
    height: 56px;
  }

  .header__nav {
    gap: 20px;
  }

  .header__nav a {
    font-size: 0.75rem;
  }

  .hero {
    min-height: 80vh;
  }

  .section {
    padding: 80px 20px;
  }

  .section__heading {
    font-size: 1.5rem;
    margin-bottom: 40px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .info-table th {
    display: block;
    width: 100%;
    padding-bottom: 4px;
  }

  .info-table td {
    display: block;
    padding-top: 0;
    padding-bottom: 20px;
  }

  .contact-email {
    font-size: 0.9375rem;
    padding: 14px 32px;
  }

  .section--privacy {
    padding-top: 100px;
  }

  .footer {
    padding: 48px 20px;
  }
}