:root {
  --c-bg:           #ffffff;
  --c-bg-sub:       #f7f6f4;
  --c-border:       #d8d5cf;
  --c-border-focus: #333330;
  --c-text:         #333330;
  --c-text-sub:     #777770;
  --c-text-hint:    #b5b2ab;
  --c-error:        #8b3a2a;
  --c-accent:       #8a6a3a;
  --c-btn-off:      #c5c2bb;
  --c-btn-on:       #333330;
  --font-serif:     'Noto Serif JP', serif;
  --font-sans:      'Noto Sans JP', sans-serif;
  --transition:     0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }

.page-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 32px 100px;
}

/* =============================================
   Header
   ============================================= */

.page-header {
  padding: 150px 0 75px;
}

.header-en {
	margin-top: 1rem;
	font-size: 12px;
	font-weight: bold;
	letter-spacing: 0.2rem;	
	text-align: center;
}

.header-ja {
	font-size: 28px;
	font-weight: bold;
	letter-spacing: 0.2rem;
	text-align: center;
}

/* =============================================
   Intro
   ============================================= */

.form-intro {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--c-border);
}

.intro-ja {
  font-size: 13px;
  color: var(--c-text);
  line-height: 2;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.intro-ja a {
  color: var(--c-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.intro-en {
  font-size: 12px;
  color: var(--c-text-sub);
  line-height: 2;
  letter-spacing: 0.04em;
}

/* =============================================
   Form Note
   ============================================= */

.form-note {
  font-size: 12px;
  color: var(--c-text-sub);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
}

.required-mark { color: var(--c-error); }

/* =============================================
   Form Row — テーブル風レイアウト
   ============================================= */

.form-row {
  display: flex;
  align-items: flex-start;
  border-top: 1px solid var(--c-border);
  padding: 20px 0;
}

.form-row:last-of-type {
  border-bottom: 1px solid var(--c-border);
}

.form-label-wrap {
  width: 220px;
  flex-shrink: 0;
  padding-top: 2px;
}

.form-label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 3px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--c-text);
  cursor: pointer;
}

.label-en {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--c-text-sub);
  margin-left: 5px;
}

.required-badge {
  display: inline-block;
  font-size: 10px;
  color: var(--c-error);
  border: 1px solid var(--c-error);
  padding: 1px 5px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  width: fit-content;
  margin-top: 2px;
}

.form-input-wrap {
  flex: 1;
}

/* =============================================
   Inputs
   ============================================= */

.form-input,
.form-textarea {
  width: 100%;
  background: var(--c-bg-sub);
  border: 1px solid var(--c-border);
  border-radius: 0;
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--c-text);
  letter-spacing: 0.04em;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--c-text-hint); }

.form-input:focus,
.form-textarea:focus {
  border-color: var(--c-border-focus);
  background: #fff;
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: var(--c-error);
  background: #fdf8f7;
}

.form-textarea { min-height: 140px; resize: vertical; line-height: 1.8; }

.char-count {
  display: block;
  text-align: right;
  font-size: 11px;
  color: var(--c-text-hint);
  margin-top: 5px;
}

.form-error {
  display: block;
  font-size: 11px;
  color: var(--c-error);
  letter-spacing: 0.04em;
  margin-top: 6px;
  min-height: 16px;
}

/* =============================================
   Honeypot
   ============================================= */

.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* =============================================
   Privacy
   ============================================= */

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] { display: none; }

.checkbox-custom {
  width: 16px;
  height: 16px;
  border: 1px solid var(--c-border);
  background: var(--c-bg-sub);
  flex-shrink: 0;
  position: relative;
  margin-top: 3px;
  transition: border-color var(--transition), background var(--transition);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--c-text);
  border-color: var(--c-text);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(40deg);
}

.checkbox-text {
  font-size: 13px;
  color: var(--c-text-sub);
  letter-spacing: 0.04em;
  line-height: 1.9;
}

.text-link {
  color: var(--c-text-sub);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* =============================================
   Submit Button
   ============================================= */

.form-submit {
  margin-top: 8px;
  display: flex;
  justify-content: center;
}

.btn-submit {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--c-btn-off);
  color: #fff;
  border: none;
  padding: 16px 56px;
  font-family: var(--font-sans);
  cursor: not-allowed;
  transition: background var(--transition), opacity var(--transition);
  min-width: -webkit-fill-available;
}

.btn-submit.is-active {
  background: var(--c-btn-on);
  cursor: pointer;
}

.btn-submit.is-active:hover { opacity: 0.75; }

.btn-ja {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.2em;
}

.btn-en {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.3em;
  opacity: 0.7;
}

/* =============================================
   Success
   ============================================= */

.success-overlay {
  position: fixed;
  inset: 0;
  background: var(--c-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.success-box { text-align: center; padding: 48px 32px; max-width: 440px; }

.success-en {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-text-sub);
  margin-bottom: 12px;
}

.success-title {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.success-text {
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 2.2;
  margin-bottom: 32px;
}

.success-text-en {
  display: block;
  font-size: 12px;
  margin-top: 4px;
}

.btn-back {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-text-sub);
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 4px;
  text-decoration: none;
  transition: color var(--transition);
}

.btn-back:hover { color: var(--c-text); }

/* =============================================
   Responsive
   ============================================= */

@media (max-width: 600px) {
  .page-wrapper { 
	  padding: 0 20px 80px;
	  max-width: 100%;
	}
	
  .page-header { padding: 100px 0 50px; }

  .form-row {
    display: grid;
    gap: 10px;
  }

  .form-label-wrap { width: 100%; }

  .btn-submit { width: 100%; }
  .form-submit { justify-content: stretch; }
}