:root {
  --light: #F5F0F2;
  --base: #EFD9E2;
  --accent: #786828;
  --dark: #2E2A26;
  --logo-gold: #726732;
  --bg: #FAF8F7;
  --text: #2E2A26;
  --text-muted: #7A7470;
  --serif: 'Cormorant Garamond', 'Georgia', serif;
  --sans: 'Noto Sans JP', 'Helvetica Neue', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250, 248, 247, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(239, 217, 226, 0.4);
}

.header-logo img { width: 140px; height: auto; }

nav { display: flex; gap: 2.5rem; }

nav a {
  font-family: var(--serif);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.3s ease;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

nav a:hover { color: var(--accent); }
nav a:hover::after { width: 100%; }
nav a.active { color: var(--accent); }
nav a.active::after { width: 100%; }

/* ===== PAGE CONTENT ===== */
.page-content {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding-top: 62px;
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 4rem 3rem 3rem;
  max-width: 760px;
  margin: 0 auto;
}

.page-header h1 {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.page-header p {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 2;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.page-header-note {
  margin-top: 1.5rem;
}

.page-header-note a {
  font-family: var(--serif);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(120, 104, 40, 0.35);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}

.page-header-note a:hover {
  border-bottom-color: var(--accent);
}

/* ===== FORM SECTION ===== */
.form-section {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 3rem 2rem;
}

/* ===== FORM ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.form-label {
  font-family: var(--serif);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.form-required {
  color: var(--accent);
  font-size: 0.65rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(46, 42, 38, 0.2);
  padding: 0.75rem 0;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text);
  letter-spacing: 0.04em;
  outline: none;
  transition: border-color 0.3s ease;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-bottom-color: var(--accent);
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-bottom-color: #b94a4a;
}

/* セレクトボックス */
.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: '';
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}

.form-select {
  cursor: pointer;
  background: transparent;
}

.form-select option {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text);
  background: var(--bg);
}

/* テキストエリア */
.form-textarea {
  resize: vertical;
  min-height: 160px;
  line-height: 1.8;
}

/* エラーメッセージ */
.form-error {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 300;
  color: #b94a4a;
  letter-spacing: 0.03em;
  display: none;
}

.form-error.visible {
  display: block;
}

/* フォームフッター */
.form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.form-note {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  line-height: 1.8;
}

/* 送信ボタン */
.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: none;
  border: 1px solid rgba(120, 104, 40, 0.5);
  padding: 0.875rem 2rem;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
  white-space: nowrap;
}

.form-submit-text {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: 0.12em;
  transition: color 0.3s ease;
}

.form-submit-arrow {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--accent);
  transition: transform 0.3s ease, color 0.3s ease;
}

.form-submit:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.form-submit:hover .form-submit-text,
.form-submit:hover .form-submit-arrow {
  color: var(--bg);
}

.form-submit:hover .form-submit-arrow {
  transform: translateX(4px);
}

.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-submit:disabled:hover {
  background: none;
  border-color: rgba(120, 104, 40, 0.5);
}

.form-submit:disabled:hover .form-submit-text,
.form-submit:disabled:hover .form-submit-arrow {
  color: var(--accent);
}

.form-submit:disabled:hover .form-submit-arrow {
  transform: none;
}

/* ===== 送信完了 ===== */
.form-thanks {
  padding: 4rem 0;
  text-align: center;
}

.form-thanks-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.form-thanks-body {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 2.2;
  letter-spacing: 0.04em;
}

/* ===== SPACER ===== */
.spacer { height: 5rem; }

/* ===== FOOTER ===== */
footer {
  padding: 5rem 3rem 3rem;
  border-top: 1px solid rgba(239, 217, 226, 0.35);
  max-width: 1100px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-family: var(--serif);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.footer-col p,
.footer-col a {
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 2;
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(239, 217, 226, 0.25);
}

.footer-bottom small {
  font-size: 0.65rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.footer-sns { display: flex; gap: 1.5rem; }

.footer-sns a {
  font-family: var(--serif);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

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

.footer-recruit {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(239, 217, 226, 0.25);
  text-align: center;
}

.footer-recruit p {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.footer-recruit a {
  font-family: var(--serif);
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(120, 104, 40, 0.3);
  padding-bottom: 1px;
  transition: border-color 0.3s ease;
}

.footer-recruit a:hover { border-bottom-color: var(--accent); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1), transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hamburger */
.nav-toggle { display: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  header { padding: 1rem 1.5rem; }
  .header-logo img { width: 110px; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: space-between;
    width: 22px; height: 14px; background: none; border: none; cursor: pointer; padding: 0;
  }
  .nav-toggle span { display: block; width: 100%; height: 1px; background: var(--accent); transition: transform 0.3s ease, opacity 0.3s ease; }
  header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: rgba(250,248,247,0.98); backdrop-filter: blur(12px); padding: 1.5rem 2rem 2rem; gap: 1.5rem; border-bottom: 1px solid rgba(239,217,226,0.4); }
  header.nav-open nav { display: flex; }
  nav a { font-size: 0.9rem; }
  .page-content { padding-top: 52px; }
  .page-header { padding: 3rem 1.5rem 2rem; }
  .page-header h1 { font-size: 1.8rem; }
  .form-section { padding: 0 1.5rem 2rem; }
  .form-footer { flex-direction: column; align-items: flex-start; }
  .form-submit { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  footer { padding: 4rem 1.5rem 2rem; }
}