:root {
  --mist: #f3f5f7;
  --soft: #fafbfc;
  --slate: #2c343a;
  --ink: #1a2330;
  --teal: #4f7f7a;
  --amber: #c4a574;
  --muted: #6b757c;
  --line: #d8dee3;
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 8% 0%, rgba(79, 127, 122, 0.08), transparent 40%),
    radial-gradient(ellipse at 92% 12%, rgba(196, 165, 116, 0.06), transparent 34%),
    linear-gradient(180deg, var(--mist) 0%, var(--soft) 48%, var(--mist) 100%);
  color: var(--slate);
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: #fff;
  padding: 0.75rem 1rem;
}

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

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

/* Header */
.site-header {
  background: transparent;
}

.site-header.is-scrolled {
  background: rgba(250, 251, 252, 0.94);
  border-bottom: 1px solid rgba(44, 52, 58, 0.08);
  backdrop-filter: blur(14px);
}

.site-header.is-scrolled .brand-mark,
.site-header.is-scrolled .nav-link {
  color: var(--ink);
}

.has-hero .site-header:not(.is-scrolled) .brand-mark,
.has-hero .site-header:not(.is-scrolled) .nav-link,
.has-hero .site-header:not(.is-scrolled) #search-toggle,
.has-hero .site-header:not(.is-scrolled) #save-toggle,
.has-hero .site-header:not(.is-scrolled) #menu-toggle {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.has-hero .site-header:not(.is-scrolled) .nav-link::after {
  background: var(--amber);
}

.brand-mark {
  position: relative;
  z-index: 60;
}

.nav-link {
  position: relative;
  color: var(--ink);
  opacity: 0.7;
}

.nav-link:hover,
.nav-link.is-active {
  opacity: 1;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--teal);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: 0.25s ease;
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -5px;
}

.menu-icon::after {
  top: 5px;
}

#menu-toggle[aria-expanded="true"] .menu-icon {
  background: transparent;
}

#menu-toggle[aria-expanded="true"] .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

#menu-toggle[aria-expanded="true"] .menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-menu {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-menu.is-open {
  transform: translateX(0);
}

/* Typography */
.section-label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 500;
}

.display-title {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.85rem, 4vw, 3.1rem);
  line-height: 1.35;
  letter-spacing: 0.04em;
  font-weight: 500;
  color: var(--ink);
}

.page-hero {
  padding-top: calc(var(--header-h) + 2.5rem);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn-primary {
  background: var(--teal);
  color: #fff;
  border: 1px solid var(--teal);
}

.btn-primary:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(26, 35, 48, 0.25);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn-light {
  background: rgba(250, 251, 252, 0.92);
  color: var(--ink);
  border: 1px solid transparent;
}

.btn-light:hover {
  background: #fff;
}

/* Media */
.img-box,
.media-zoom {
  overflow: hidden;
  position: relative;
  background: #e8ecf0;
}

.img-box img,
.media-zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.media-zoom:hover img,
.group:hover .media-zoom img {
  transform: scale(1.04);
}

/* Hero */
.hero-slide {
  position: relative;
  min-height: 70svh;
  height: clamp(460px, 88svh, 900px);
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(26, 35, 48, 0.72) 0%, rgba(26, 35, 48, 0.35) 48%, rgba(26, 35, 48, 0.18) 100%),
    linear-gradient(to top, rgba(26, 35, 48, 0.45), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  height: 100%;
  min-height: inherit;
  padding: calc(var(--header-h) + 2rem) 1.25rem 5.5rem;
}

@media (min-width: 768px) {
  .hero-content {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  .hero-content {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

.hero-copy {
  max-width: 36rem;
}

.hero-brand {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  letter-spacing: 0.28em;
  color: #fff;
  line-height: 1;
  margin-bottom: 1.25rem;
}

.hero-progress {
  position: absolute;
  left: 1.25rem;
  bottom: 1.5rem;
  z-index: 5;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
}

.scroll-indicator {
  position: absolute;
  right: 1.5rem;
  bottom: 5.5rem;
  z-index: 5;
  writing-mode: vertical-rl;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.65);
  display: none;
  gap: 0.6rem;
  align-items: center;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.45);
  animation: scrollPulse 2s ease-in-out infinite;
}

@media (min-width: 768px) {
  .scroll-indicator {
    display: flex;
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

.hero-swiper .swiper-pagination-bullet {
  background: #fff;
  opacity: 0.35;
}

.hero-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  background: var(--amber);
}

.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  color: #fff;
  --swiper-navigation-size: 18px;
}

/* Asymmetric split */
.asymmetric-split {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .asymmetric-split {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: stretch;
  }

  .asymmetric-split--reverse {
    grid-template-columns: 0.85fr 1.15fr;
  }
}

.pet-panel {
  position: relative;
  display: block;
  min-height: 420px;
  overflow: hidden;
  background: var(--soft);
}

.pet-panel--tall {
  min-height: 520px;
}

.pet-panel--offset {
  margin-top: 0;
}

@media (min-width: 900px) {
  .pet-panel--offset {
    margin-top: 3.5rem;
  }
}

/* Ritual tabs */
.ritual-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ritual-tab {
  min-width: 4.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: 0.25s ease;
}

.ritual-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.ritual-panel {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .ritual-panel {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

/* Cards / guides */
.guide-card {
  display: block;
}

.guide-card h2,
.guide-card h3 {
  transition: color 0.2s ease;
}

.guide-card:hover h2,
.guide-card:hover h3 {
  color: var(--teal);
}

.filter-chip {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  transition: 0.2s ease;
}

.filter-chip.is-active,
.filter-chip:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(79, 127, 122, 0.08);
}

/* Journal magazine */
.journal-featured {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .journal-featured {
    grid-template-columns: 1.4fr 0.9fr;
    gap: 2rem;
    align-items: stretch;
  }
}

.journal-support {
  display: grid;
  gap: 1.25rem;
}

/* Forms */
.form-field {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--slate);
  transition: border-color 0.2s ease;
}

.form-field:focus {
  outline: none;
  border-color: var(--teal);
}

/* Prose */
.prose-jp {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--slate);
}

.prose-jp h2 {
  font-family: "Noto Serif JP", serif;
  font-size: 1.35rem;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.prose-jp p {
  margin-bottom: 1.1rem;
}

.prose-jp ul {
  margin: 1rem 0 1.5rem;
  padding-left: 1.25rem;
  list-style: disc;
}

.prose-jp li {
  margin-bottom: 0.4rem;
}

/* CTA band */
.cta-band {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cta-band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26, 35, 48, 0.78), rgba(26, 35, 48, 0.35));
}

/* Save button on cards */
.save-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 3;
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(250, 251, 252, 0.9);
  border: none;
  color: var(--slate);
  cursor: pointer;
  transition: 0.2s ease;
}

.save-btn.is-saved {
  color: var(--teal);
}

/* Accent line */
.accent-rule {
  width: 48px;
  height: 1px;
  background: var(--amber);
}

/* Observation strip */
.observe-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .observe-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.observe-item {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.observe-item .num {
  font-family: "Noto Serif JP", serif;
  color: var(--amber);
  letter-spacing: 0.12em;
  font-size: 0.85rem;
}

/* Dark band contrast */
.bg-ink .text-muted,
.bg-ink .text-soft\/70,
.bg-ink .section-label {
  color: rgba(250, 251, 252, 0.62);
}

.bg-ink a:not(.btn-light):not(.btn-secondary):not(.btn-primary) {
  color: rgba(250, 251, 252, 0.88);
}

.bg-ink a:not(.btn-light):not(.btn-secondary):not(.btn-primary):hover {
  color: #fafbfc;
}

/* Responsive tweaks */
@media (max-width: 767px) {
  .hero-slide {
    height: clamp(420px, 78svh, 640px);
    min-height: 70svh;
  }

  .hero-content {
    padding-bottom: 6.5rem;
  }

  main > section {
    padding-top: clamp(2.5rem, 6vw, 3.5rem);
    padding-bottom: clamp(2.5rem, 6vw, 3.5rem);
  }

  .asymmetric-split,
  .observe-grid,
  .journal-featured,
  .ritual-panel {
    grid-template-columns: 1fr !important;
  }

  .pet-panel,
  .pet-panel--tall {
    min-height: 360px;
  }

  .cta-band {
    min-height: 360px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .media-zoom img {
    transition: none;
  }
}

/* ===== AOS blank-content safety (audit fix) ===== */
body.aos-fallback [data-aos],
body.aos-fallback [data-aos].aos-animate,
html.no-js [data-aos] {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
  visibility: visible !important;
}

@media (prefers-reduced-motion: reduce) {
  [data-aos],
  [data-aos].aos-animate {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    visibility: visible !important;
  }
}


/* === Minimal JP nav CTA (master localization) === */
.lang-badge {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  opacity: 0.7;
  padding: 0.35rem 0.55rem;
  border: 1px solid currentColor;
}
.nav-cta {
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.55rem 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  border: 1px solid currentColor;
  transition: background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: currentColor;
  color: #fff;
}
.nav-cta-mobile {
  display: inline-flex;
  width: fit-content;
}