/* ============================
   LUMERIA HP制作スタートフォーム
   Global Styles
============================ */

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

:root {
  --black: #0a0a0a;
  --gold: #c9a96e;
  --gold-light: #e8d5b0;
  --gold-dark: #a07840;
  --white: #ffffff;
  --off-white: #f8f6f2;
  --gray-100: #f4f4f4;
  --gray-200: #e8e8e8;
  --gray-400: #aaaaaa;
  --gray-600: #666666;
  --gray-800: #333333;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Cormorant Garamond', serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================
   Loading Screen
============================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease;
}

.loading-logo {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  letter-spacing: 0.6em;
  color: var(--gold);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================
   Header
============================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 32px;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.5em;
  color: var(--gold);
  font-weight: 300;
}

.header-sub {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  text-transform: uppercase;
}

/* ============================
   Hero Section
============================ */
.hero {
  padding-top: 100px;
  padding-bottom: 60px;
  background: linear-gradient(180deg, #0a0a0a 0%, #111008 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-label {
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-en {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  margin-bottom: 28px;
}

.hero-desc {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--gray-400);
  max-width: 480px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: inline-block;
  padding: 16px 48px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  font-family: var(--font-sans);
}

.hero-cta:hover {
  background: var(--gold);
  color: var(--black);
}

/* ============================
   Progress Bar
============================ */
.progress-wrapper {
  position: sticky;
  top: 61px;
  z-index: 90;
  background: rgba(10,10,10,0.97);
  border-bottom: 1px solid rgba(201,169,110,0.1);
  padding: 12px 32px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.progress-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.progress-count {
  font-size: 0.65rem;
  color: var(--gray-400);
  letter-spacing: 0.1em;
}

.progress-track {
  height: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* ============================
   Form Container
============================ */
.form-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* ============================
   Step
============================ */
.step {
  display: none;
  animation: fadeInUp 0.4s ease;
}

.step.active {
  display: block;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
  margin-bottom: 36px;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--gray-400);
}

/* ============================
   Form Elements
============================ */
.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.form-label .required {
  color: var(--gold);
  margin-left: 4px;
  font-size: 0.65rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  padding: 14px 16px;
  color: var(--white);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--gold);
  background: rgba(201, 169, 110, 0.04);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255,255,255,0.2);
  font-size: 0.85rem;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.7;
}

.form-select option {
  background: #1a1a1a;
  color: var(--white);
}

/* ============================
   Checkbox Grid
============================ */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.checkbox-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.checkbox-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.checkbox-item {
  position: relative;
}

.checkbox-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-item label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--gray-400);
  transition: all var(--transition);
  line-height: 1.4;
}

.checkbox-item label::before {
  content: '';
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 2px;
  transition: all var(--transition);
}

.checkbox-item input:checked + label {
  border-color: var(--gold);
  color: var(--white);
  background: rgba(201, 169, 110, 0.08);
}

.checkbox-item input:checked + label::before {
  background: var(--gold);
  border-color: var(--gold);
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L4 7L9 1' stroke='%230a0a0a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ============================
   Radio Buttons
============================ */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-item {
  position: relative;
}

.radio-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-item label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--gray-400);
  transition: all var(--transition);
}

.radio-item label::before {
  content: '';
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  transition: all var(--transition);
}

.radio-item input:checked + label {
  border-color: var(--gold);
  color: var(--white);
  background: rgba(201, 169, 110, 0.08);
}

.radio-item input:checked + label::before {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: inset 0 0 0 3px var(--black);
}

/* ============================
   Menu Table
============================ */
.menu-add-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: transparent;
  border: 1px dashed rgba(201, 169, 110, 0.4);
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  width: 100%;
  justify-content: center;
  transition: var(--transition);
  font-family: var(--font-sans);
  margin-top: 12px;
}

.menu-add-btn:hover {
  background: rgba(201, 169, 110, 0.06);
  border-color: var(--gold);
}

.menu-rows {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.menu-row {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  padding: 16px;
  position: relative;
}

.menu-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.menu-row-num {
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.2em;
}

.menu-remove-btn {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 2px 6px;
  transition: color var(--transition);
}

.menu-remove-btn:hover { color: #f44336; }

.menu-fields {
  display: grid;
  grid-template-columns: 1fr 80px 100px 100px;
  gap: 10px;
}

.menu-field-full {
  grid-column: 1 / -1;
}

/* ============================
   Navigation Buttons
============================ */
.nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40px 0 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 40px;
}

.btn-prev {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--gray-400);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.btn-prev:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--white);
}

.btn-prev.hidden { visibility: hidden; }

.btn-next {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--gold);
  border: none;
  color: var(--black);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
}

.btn-next:hover {
  background: var(--gold-light);
}

.btn-submit {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 48px;
  background: var(--gold);
  border: none;
  color: var(--black);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
  font-weight: 700;
  text-transform: uppercase;
}

.btn-submit:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================
   Privacy Notice
============================ */
.privacy-notice {
  background: rgba(201, 169, 110, 0.05);
  border: 1px solid rgba(201, 169, 110, 0.15);
  border-radius: 2px;
  padding: 20px 24px;
  margin-bottom: 28px;
}

.privacy-notice p {
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--gray-400);
}

/* ============================
   Divider
============================ */
.form-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 24px 0;
}

.form-section-label {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ============================
   Other Input
============================ */
.other-input-wrapper {
  margin-top: 10px;
  display: none;
}

.other-input-wrapper.visible {
  display: block;
}

/* ============================
   Thanks Page
============================ */
.thanks-wrapper {
  min-height: 100vh;
  background: var(--black);
  display: flex;
  flex-direction: column;
}

.thanks-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
}

.thanks-icon {
  width: 72px;
  height: 72px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--gold);
  margin: 0 auto 32px;
  animation: fadeInUp 0.6s ease;
}

.thanks-title {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.thanks-sub {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--gray-400);
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.thanks-note {
  background: rgba(201,169,110,0.05);
  border: 1px solid rgba(201,169,110,0.15);
  border-radius: 2px;
  padding: 20px 28px;
  max-width: 480px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.thanks-note p {
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--gray-600);
}

/* ============================
   Error Message
============================ */
.error-msg {
  font-size: 0.75rem;
  color: #f44336;
  margin-top: 6px;
  display: none;
}

.form-input.error,
.form-textarea.error {
  border-color: #f44336;
}

/* ============================
   Responsive
============================ */
@media (max-width: 600px) {
  .header { padding: 16px 20px; }
  .hero { padding-top: 90px; }
  .form-container { padding: 0 16px 60px; }
  .checkbox-grid { grid-template-columns: 1fr 1fr; }
  .menu-fields { grid-template-columns: 1fr 1fr; }
  .menu-field-full { grid-column: 1 / -1; }
  .progress-wrapper { padding: 10px 20px; }
  .nav-buttons { gap: 12px; }
  .btn-next, .btn-prev { padding: 12px 20px; font-size: 0.75rem; }
  .btn-submit { padding: 14px 32px; }
}