/* =========================================
   TSUDOI KITCHEN — つどいキッチン 共有スタイル
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500&family=Noto+Serif+JP:wght@400;500;700&display=swap');

/* ── Custom Properties ── */
:root {
  --white:      #FFFFFF;
  --off-white:  #FAF7F2;
  --cream:      #F2E9DC;
  --border:     #E8D5C4;
  --terracotta: #C9664F;
  --caramel:    #D4845A;
  --sage:       #7A9E7E;
  --text:       #3D2B1F;
  --text-mid:   #7A5C4F;
  --text-light: #A08070;
  --ph-bg:      #EDE0D0;
  --ph-stripe:  rgba(160, 120, 90, 0.15);

  --f-serif: 'Noto Serif JP', Georgia, serif;
  --f-sans:  'Noto Sans JP', sans-serif;

  --gap-section: clamp(72px, 9vw, 112px);
  --px:          clamp(20px, 5vw, 56px);
  --container:   1100px;

  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  24px;
  --r-btn: 100px;

  --shadow-sm:   0 2px 12px rgba(61,43,31,.07);
  --shadow-md:   0 6px 28px rgba(61,43,31,.12);
  --shadow-lg:   0 12px 48px rgba(61,43,31,.16);
  --transition:  .24s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img  { display: block; max-width: 100%; height: auto; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
p    { text-wrap: pretty; }

/* ── Container ── */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--px);
}

/* ── Typography ── */
h1,h2,h3,h4,h5,h6 { font-family: var(--f-serif); font-weight: 500; line-height: 1.45; text-wrap: pretty; }

.section-label {
  display: inline-block;
  font-family: var(--f-sans);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 10px;
}
.section-heading {
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 500;
  margin-bottom: 14px;
}
.section-sub {
  font-size: 14.5px;
  color: var(--text-mid);
  line-height: 1.9;
  max-width: 520px;
}
.section-header { text-align: center; margin-bottom: clamp(40px, 5vw, 64px); }
.section-header .section-sub { margin-inline: auto; }
.section-divider { width: 36px; height: 2px; background: var(--terracotta); margin: 16px auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  min-height: 48px;
  border-radius: var(--r-btn);
  font-family: var(--f-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .06em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--terracotta);
  color: var(--white);
  border-color: var(--terracotta);
}
.btn-primary:hover {
  background: #b55840;
  border-color: #b55840;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,102,79,.35);
}
.btn-outline {
  background: transparent;
  color: var(--terracotta);
  border-color: var(--terracotta);
}
.btn-outline:hover {
  background: var(--terracotta);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-lg { padding: 18px 48px; font-size: 14.5px; }

/* ── Placeholder Images ── */
.ph-img {
  background-color: var(--ph-bg);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0, transparent 8px,
    var(--ph-stripe) 8px, var(--ph-stripe) 9px
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow: hidden;
  position: relative;
}
.ph-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ph-img .ph-label {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--text-mid);
  background: rgba(255,255,255,.75);
  padding: 6px 14px;
  border-radius: 4px;
  text-align: center;
  max-width: 80%;
  line-height: 1.6;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}
.site-logo { display: flex; flex-direction: column; line-height: 1; }
.site-logo .en { font-family: var(--f-serif); font-size: 16px; font-weight: 500; letter-spacing: .12em; color: var(--text); }
.site-logo .ja { font-family: var(--f-sans); font-size: 8.5px; font-weight: 400; letter-spacing: .22em; color: var(--text-light); margin-top: 3px; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  font-size: 13px;
  color: var(--text-mid);
  letter-spacing: .04em;
  transition: color var(--transition);
  position: relative;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--terracotta);
  transition: width var(--transition);
}
.site-nav a:hover { color: var(--terracotta); }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { width: 100%; }
.site-nav a[aria-current="page"] { color: var(--terracotta); }
.site-nav a.btn-primary,
.site-nav a.btn-primary:hover { color: var(--white); }
.nav-cta { margin-left: 6px; }

/* ── Mobile Nav ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 70px 0 0;
  background: var(--white);
  z-index: 199;
  flex-direction: column;
  padding: 24px var(--px) 40px;
  overflow-y: auto;
}
.mobile-nav-overlay.open { display: flex; }
.mobile-nav-overlay a {
  display: block;
  padding: 18px 0;
  font-size: 17px;
  font-family: var(--f-serif);
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-nav-overlay .mob-cta { margin-top: 28px; text-align: center; width: 100%; }

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: var(--off-white);
  padding: clamp(60px, 8vw, 96px) var(--px);
  text-align: center;
}
.page-hero .breadcrumb {
  font-size: 11.5px;
  color: var(--text-light);
  margin-bottom: 14px;
}
.page-hero .breadcrumb a:hover { color: var(--terracotta); }
.page-hero .pg-title {
  font-size: clamp(28px, 4vw, 46px);
  margin-bottom: 6px;
}
.page-hero .pg-sub {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-light);
  font-family: var(--f-sans);
}

/* ── Cards ── */
.card {
  background: var(--white);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--terracotta);
  color: var(--white);
  text-align: center;
  padding: clamp(56px, 7vw, 88px) var(--px);
}
.cta-banner .cta-label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .75;
  margin-bottom: 10px;
  font-family: var(--f-sans);
}
.cta-banner .cta-heading {
  font-size: clamp(22px, 3vw, 36px);
  font-family: var(--f-serif);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 12px;
}
.cta-banner .cta-body {
  font-size: 14px;
  opacity: .85;
  line-height: 1.9;
  margin-bottom: 32px;
}
.cta-banner .btn-white {
  background: var(--white);
  color: var(--terracotta);
  border-color: var(--white);
}
.cta-banner .btn-white:hover {
  background: var(--off-white);
  border-color: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
}

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .06em;
  font-family: var(--f-sans);
}
.badge-sage { background: rgba(122,158,126,.15); color: #4E7A52; }
.badge-terracotta { background: rgba(201,102,79,.12); color: var(--terracotta); }

/* ── Footer ── */
.site-footer {
  background: var(--text);
  color: rgba(255,255,255,.65);
  padding: 60px var(--px) 32px;
}
.footer-inner { max-width: var(--container); margin-inline: auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 28px;
}
.footer-brand .f-logo-en { font-family: var(--f-serif); font-size: 18px; color: var(--white); letter-spacing: .12em; }
.footer-brand .f-logo-ja { font-size: 9px; letter-spacing: .22em; color: rgba(255,255,255,.4); margin-top: 3px; }
.footer-brand p { font-size: 12.5px; line-height: 1.8; color: rgba(255,255,255,.5); margin-top: 14px; }
.footer-col h4 {
  font-family: var(--f-sans);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-col address { font-size: 13px; font-style: normal; line-height: 2; color: rgba(255,255,255,.55); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: rgba(255,255,255,.3);
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Form Elements ── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--text); }
.form-group label .req { color: var(--terracotta); margin-left: 4px; font-size: 11px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-family: var(--f-sans);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--caramel); box-shadow: 0 0 0 3px rgba(212,132,90,.15); }
textarea.form-control { resize: vertical; min-height: 140px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237A5C4F' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }

/* ── Step Numbers ── */
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--terracotta);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-serif);
  font-size: 17px;
  font-weight: 500;
  flex-shrink: 0;
}

/* ── Testimonial ── */
.testimonial {
  background: var(--white);
  border-radius: var(--r-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.testimonial::before {
  content: '\201C';
  font-family: var(--f-serif);
  font-size: 56px;
  color: var(--caramel);
  line-height: 1;
  opacity: .45;
  position: absolute;
  top: 16px;
  left: 20px;
}
.testimonial p { font-size: 14px; line-height: 1.9; margin-top: 20px; }
.testimonial cite { display: block; margin-top: 16px; font-size: 12px; color: var(--text-mid); font-style: normal; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (min-width: 769px) {
  .mobile-nav-overlay { display: none !important; }
}
