/* =========================================================
   Nevada.co.jp — site.css
   Magazine-style Japanese travel/editorial design
   ========================================================= */

:root {
  --ink: #1f1712;
  --ink-soft: #5e5148;
  --paper: #f7efe2;
  --paper-warm: #efe1cb;
  --sand: #d6b47a;
  --desert: #b86d35;
  --canyon: #7e3f2b;
  --sage: #7b8065;
  --night: #15151d;
  --night-soft: #242231;
  --neon: #e74c88;
  --sky: #6f93a8;
  --white: #fffaf1;
  --line: rgba(31, 23, 18, 0.16);
  --line-light: rgba(255, 250, 241, 0.22);
  --shadow: 0 24px 70px rgba(31, 23, 18, 0.18);
  --shadow-soft: 0 12px 34px rgba(31, 23, 18, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --max: 1180px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", Georgia, serif;
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(231, 76, 136, 0.10), transparent 28%),
    radial-gradient(circle at 85% 8%, rgba(111, 147, 168, 0.16), transparent 30%),
    linear-gradient(180deg, #f9f1e3 0%, #f2dfbf 48%, #ead4b2 100%);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.85;
  letter-spacing: 0.03em;
}

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

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

a:hover {
  opacity: 0.82;
}

::selection {
  background: var(--canyon);
  color: var(--white);
}

/* =========================================================
   Header / Navigation
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 239, 226, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-subtitle {
  margin-top: 4px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-links a {
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.nav-links a:hover {
  background: rgba(126, 63, 43, 0.10);
  color: var(--ink);
  opacity: 1;
}

.nav-links a.vegas-link,
.vegas-link {
  background: linear-gradient(135deg, var(--night), var(--canyon));
  color: var(--white);
  box-shadow: 0 10px 24px rgba(126, 63, 43, 0.24);
}

.nav-links a.vegas-link:hover,
.vegas-link:hover {
  background: linear-gradient(135deg, var(--canyon), var(--neon));
  color: var(--white);
}

/* =========================================================
   Layout Utilities
   ========================================================= */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

.section {
  padding: clamp(54px, 8vw, 104px) 0;
}

.section-tight {
  padding: clamp(34px, 6vw, 72px) 0;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--desert);
}

.kicker {
  color: var(--canyon);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.lead {
  font-family: var(--serif);
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 2;
  color: var(--ink);
}

.muted {
  color: var(--ink-soft);
}

.center {
  text-align: center;
}

.grid {
  display: grid;
  gap: 24px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.four-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: clamp(660px, 88vh, 920px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--night);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(21, 21, 29, 0.84) 0%, rgba(21, 21, 29, 0.46) 45%, rgba(21, 21, 29, 0.18) 100%),
    linear-gradient(0deg, rgba(21, 21, 29, 0.86) 0%, rgba(21, 21, 29, 0.18) 52%, rgba(21, 21, 29, 0.44) 100%);
  z-index: 1;
}

.hero img,
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 0 22px clamp(58px, 9vw, 112px);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 8px 14px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  background: rgba(255, 250, 241, 0.10);
  backdrop-filter: blur(12px);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.hero h1 {
  max-width: 920px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 7.6rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
}

.hero p {
  max-width: 760px;
  margin: 26px 0 0;
  font-size: clamp(1rem, 1.6vw, 1.28rem);
  color: rgba(255, 250, 241, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

/* =========================================================
   Buttons
   ========================================================= */

.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid rgba(31, 23, 18, 0.18);
  background: var(--ink);
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.button:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  opacity: 1;
}

.button.secondary,
.btn.secondary {
  background: rgba(255, 250, 241, 0.12);
  color: var(--white);
  border-color: var(--line-light);
  box-shadow: none;
  backdrop-filter: blur(12px);
}

.button.light,
.btn.light {
  background: var(--white);
  color: var(--ink);
}

.button.vegas,
.btn.vegas {
  background: linear-gradient(135deg, var(--night), var(--neon));
  color: var(--white);
  border: none;
}

/* =========================================================
   Editorial Blocks
   ========================================================= */

.intro-card {
  margin-top: -52px;
  position: relative;
  z-index: 5;
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--radius-xl);
  background: rgba(255, 250, 241, 0.88);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 250, 241, 0.65);
  backdrop-filter: blur(18px);
}

.intro-card h2,
.section-title,
.article-title {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.6vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
}

.text-panel {
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--radius-xl);
  background: rgba(255, 250, 241, 0.64);
  border: 1px solid rgba(31, 23, 18, 0.10);
  box-shadow: var(--shadow-soft);
}

.text-panel.dark {
  background: linear-gradient(135deg, var(--night), var(--night-soft));
  color: var(--white);
  border-color: var(--line-light);
}

.text-panel.dark .muted,
.text-panel.dark p {
  color: rgba(255, 250, 241, 0.82);
}

.text-panel.dark .eyebrow {
  color: #f2a0c5;
}

/* =========================================================
   Cards
   ========================================================= */

.card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: rgba(255, 250, 241, 0.72);
  border: 1px solid rgba(31, 23, 18, 0.11);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  opacity: 1;
}

.card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-warm);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-image img {
  transform: scale(1.04);
}

.card-body {
  padding: 22px;
}

.card h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2vw, 1.85rem);
  line-height: 1.25;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tag {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(126, 63, 43, 0.10);
  color: var(--canyon);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* =========================================================
   Vegas Companion Feature
   ========================================================= */

.vegas-companion {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(34px, 6vw, 68px);
  background:
    radial-gradient(circle at 12% 18%, rgba(231, 76, 136, 0.38), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(111, 147, 168, 0.30), transparent 34%),
    linear-gradient(135deg, var(--night) 0%, var(--night-soft) 48%, var(--canyon) 100%);
  color: var(--white);
  box-shadow: var(--shadow);
}

.vegas-companion::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 250, 241, 0.18);
  border-radius: calc(var(--radius-xl) - 10px);
  pointer-events: none;
}

.vegas-companion .eyebrow {
  color: #f2a0c5;
}

.vegas-companion h2 {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 5rem);
  line-height: 1.05;
}

.vegas-companion p {
  position: relative;
  z-index: 1;
  max-width: 760px;
  color: rgba(255, 250, 241, 0.86);
}

.vegas-companion .button {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  background: var(--white);
  color: var(--night);
}

/* =========================================================
   Destination Strip / Feature Rooms
   ========================================================= */

.destination-strip {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  min-height: 480px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--night);
  color: var(--white);
  box-shadow: var(--shadow);
}

.destination-strip.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.destination-strip .strip-text {
  padding: clamp(32px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.destination-strip .strip-image {
  min-height: 360px;
}

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

.destination-strip h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 4.3rem);
  line-height: 1.08;
}

.destination-strip p {
  color: rgba(255, 250, 241, 0.84);
}

/* =========================================================
   Article Pages
   ========================================================= */

.article-hero {
  padding: clamp(72px, 11vw, 140px) 0 clamp(44px, 7vw, 86px);
  background:
    linear-gradient(135deg, rgba(21, 21, 29, 0.94), rgba(126, 63, 43, 0.78)),
    var(--night);
  color: var(--white);
}

.article-hero .wrap {
  max-width: 980px;
}

.article-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 7vw, 6.4rem);
  line-height: 1.04;
}

.article-hero p {
  max-width: 760px;
  color: rgba(255, 250, 241, 0.84);
}

.article-body {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(44px, 7vw, 86px) 22px;
}

.article-body p {
  font-size: 1.05rem;
}

.article-body h2 {
  margin: 52px 0 16px;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.18;
}

.article-body h3 {
  margin: 34px 0 10px;
  font-family: var(--serif);
  font-size: 1.55rem;
}

.article-body blockquote {
  margin: 42px 0;
  padding: 28px 32px;
  border-left: 5px solid var(--desert);
  background: rgba(255, 250, 241, 0.64);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-family: var(--serif);
  font-size: 1.28rem;
  line-height: 1.8;
}

.article-image {
  margin: 44px 0;
}

.article-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.caption,
figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* =========================================================
   Gallery
   ========================================================= */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.gallery-item {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--paper-warm);
  box-shadow: var(--shadow-soft);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.gallery-item:hover img {
  transform: scale(1.045);
}

/* =========================================================
   Info / Footer
   ========================================================= */

.info-band {
  padding: 34px 0;
  background: rgba(21, 21, 29, 0.92);
  color: var(--white);
}

.info-band .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.info-band a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  padding: 48px 0 34px;
  background: var(--night);
  color: rgba(255, 250, 241, 0.78);
}

.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--white);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: rgba(255, 250, 241, 0.78);
}

.footer-links a:hover {
  color: var(--white);
  opacity: 1;
}

.footer-bottom {
  max-width: var(--max);
  margin: 28px auto 0;
  padding: 22px 22px 0;
  border-top: 1px solid rgba(255, 250, 241, 0.14);
  font-size: 0.86rem;
  color: rgba(255, 250, 241, 0.58);
}

/* =========================================================
   Tables / Lists / Utility Content
   ========================================================= */

.clean-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.clean-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.place-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 241, 0.70);
  border: 1px solid rgba(31, 23, 18, 0.10);
}

.place-card h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
}

.place-card address {
  font-style: normal;
  color: var(--ink-soft);
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 920px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .two-col,
  .destination-strip,
  .destination-strip.reverse,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .three-col,
  .four-col,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .destination-strip .strip-image {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.78;
  }

  .wrap,
  .nav,
  .hero-content,
  .footer-grid,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero {
    min-height: 720px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 16vw, 4.6rem);
  }

  .hero p {
    font-size: 0.98rem;
  }

  .nav-links {
    gap: 6px;
  }

  .nav-links a {
    font-size: 0.78rem;
    padding: 7px 9px;
  }

  .three-col,
  .four-col,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .intro-card {
    margin-top: -28px;
  }

  .card-body,
  .text-panel,
  .vegas-companion {
    padding: 22px;
  }

  .article-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .article-body blockquote {
    padding: 22px;
    font-size: 1.1rem;
  }

  .info-band .wrap {
    flex-direction: column;
  }
}