/* cachette — light flex redesign in original brand palette */
:root {
  --accent: #b5a593;
  --accent-hover: #938678;
  --ink: #2a2a2a;
  --muted: #6b6560;
  --paper: #faf8f5;
  --paper-deep: #f0ebe4;
  --line: #e4ddd4;
  --footer-bg: #535a5b;
  --footer-text: #dbc3a8;
  --white: #ffffff;
  --max: 1080px;
  --font-display: "Amiri", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(181, 165, 147, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(219, 195, 168, 0.22), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

a:hover {
  color: var(--accent-hover);
}

.site-wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.site-logo img {
  width: 130px;
  height: auto;
}

.site-logo__sp {
  display: none;
  width: 108px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-actions a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  font-size: 13px;
  color: var(--ink);
  border: 1px solid transparent;
}

.header-actions .btn-accent {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.header-actions .btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: absolute;
  left: 11px;
  transition: transform 0.2s ease;
}

.nav-toggle span {
  top: 20px;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* Nav */
.site-nav {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-nav__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 0.55rem 0;
}

.nav-primary,
.nav-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-primary a,
.nav-secondary a {
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 0.35rem 0;
  position: relative;
}

.nav-primary a::after,
.nav-secondary a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.nav-primary a:hover,
.nav-secondary a:hover {
  color: var(--accent);
}

.nav-primary a:hover::after,
.nav-secondary a:hover::after {
  width: 100%;
}

.nav-primary {
  font-weight: 500;
}

.nav-secondary {
  opacity: 0.92;
}

/* Main */
.site-main {
  flex: 1;
  padding: 2.5rem 0 3.5rem;
}

.page-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.page-header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.35;
  color: var(--ink);
}

.page-header .lead {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.content,
.romlicontainer {
  max-width: 760px;
}

.content img,
.romlicontainer img {
  margin: 1rem auto;
}

.content h2,
.romlicontainer h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.45rem;
  margin: 2rem 0 0.75rem;
  color: var(--ink);
}

.content h3,
.romlicontainer h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.5rem;
}

.content p,
.romlicontainer p {
  margin: 0 0 1rem;
}

.content ul,
.content ol,
.romlicontainer ul,
.romlicontainer ol {
  margin: 0 0 1rem 1.25rem;
  padding: 0;
}

.content table,
.romlicontainer table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.content th,
.content td,
.romlicontainer th,
.romlicontainer td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.content th,
.romlicontainer th {
  background: rgba(181, 165, 147, 0.18);
}

/* Home */
.home-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding: 2rem 0 2.25rem;
  border-bottom: 1px solid var(--line);
  animation: fadeUp 0.7s ease both;
}

.home-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin: 0;
  color: var(--ink);
  line-height: 1.15;
}

.home-hero__tag {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1rem;
}

.home-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.35rem;
  font-size: 0.9rem;
  border: 1px solid var(--accent);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.home-sections {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.home-section {
  animation: fadeUp 0.8s ease both;
}

.home-section:nth-child(2) {
  animation-delay: 0.08s;
}

.home-section:nth-child(3) {
  animation-delay: 0.16s;
}

.home-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.home-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
}

.home-section__head a {
  font-size: 0.85rem;
  white-space: nowrap;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.card-row > a,
.card-row > article {
  flex: 1 1 280px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.card-row > a:hover {
  border-bottom-color: var(--accent);
  color: inherit;
}

.card-row h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
  font-weight: 500;
}

.card-row .meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.card-row .excerpt {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.card-row img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--paper-deep);
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.quick-links a {
  color: var(--ink);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.15rem;
}

.quick-links a:hover {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* Blog list (from r-template_blog) */
.blog-container {
  width: 100%;
}

.blog-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.blog-card {
  flex: 1 1 280px;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.blog-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 500;
}

.blog-preview {
  color: var(--muted);
  font-size: 0.9rem;
}

.blog-preview p {
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2.5rem 0 1.5rem;
  margin-top: auto;
}

.site-footer a {
  color: var(--footer-text);
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  flex: 1 1 220px;
}

.footer-brand img {
  width: 140px;
  margin-bottom: 0.75rem;
  opacity: 0.95;
}

.footer-brand p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.9;
}

.footer-nav {
  flex: 2 1 320px;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-nav a {
  font-size: 0.88rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(219, 195, 168, 0.25);
  font-size: 0.78rem;
  opacity: 0.85;
}

/* Member / form pages */
.form-box {
  max-width: 420px;
  padding: 1.5rem 0;
}

.form-box p {
  color: var(--muted);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-main > .page-header,
.site-main > .content,
.site-main > .romlicontainer {
  animation: fadeUp 0.55s ease both;
}

/* Responsive */
@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav__inner {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 0 1rem;
  }

  .nav-primary,
  .nav-secondary {
    flex-direction: column;
    gap: 0;
  }

  .nav-primary a,
  .nav-secondary a {
    display: block;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-primary a::after,
  .nav-secondary a::after {
    display: none;
  }

  .site-logo__pc {
    display: none;
  }

  .site-logo__sp {
    display: block;
  }

  .header-actions .label-hide-sm {
    display: none;
  }
}

@media (max-width: 520px) {
  .home-hero__cta {
    width: 100%;
  }

  .home-hero__cta .btn {
    flex: 1 1 auto;
  }
}