@charset "utf-8";

/* ========================================
   CSS Variables - 大響宴テーマ
======================================== */
:root {
  --font-mincho: 'Shippori Mincho', 'Noto Serif JP', serif;
  --font-gothic: 'Zen Kaku Gothic New', sans-serif;
  --bg: #0c0a0f;
  --bg-light: #13111a;
  --fg: #e8e2d6;
  --fg-dim: #a89e8c;
  --accent: #c4956a;
  --gold: #b8a472;
  --indigo: #2d2845;
  --sakura: #d4a0a0;
}

/* ========================================
   Reset & Base
======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mincho);
  font-size: 15px;
  line-height: 1.8;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover { color: var(--accent); }

/* ========================================
   Wrapper & Main
======================================== */
#wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  min-height: 100vh;
  position: relative;
}

/* 背景グラデーション装飾 */
#wrapper::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(45,40,69,0.4), transparent),
    radial-gradient(ellipse 60% 40% at 30% 70%, rgba(196,149,106,0.08), transparent),
    radial-gradient(ellipse 50% 50% at 70% 50%, rgba(212,160,160,0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

#main {
  position: relative;
  z-index: 1;
  padding: 0;
}

/* ========================================
   Section Header (LP風)
======================================== */
.section {
  margin-bottom: 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-top: 1rem;
}

.section-label {
  font-family: var(--font-gothic);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-mincho);
  font-size: clamp(1.3rem, 4vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--fg);
}

.section__body {
  padding: 0;
}

/* ========================================
   説明文
======================================== */
#txt_explain {
  text-align: center;
  margin-bottom: 2rem;
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--fg-dim);
  line-height: 2;
  letter-spacing: 0.03em;
}

.required-note {
  font-size: 0.75rem;
  color: var(--sakura);
}

/* ========================================
   エラー表示
======================================== */
.red_txt {
  color: var(--sakura);
  text-align: center;
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

/* ========================================
   テーブル（フォーム）
======================================== */
.table {
  width: 100%;
  margin-bottom: 2rem;
  border-collapse: separate;
  border-spacing: 0;
  border: none;
}

.table th {
  padding: 1rem 1.2rem;
  background: rgba(45, 40, 69, 0.4);
  color: var(--gold);
  border-bottom: 1px solid rgba(184, 164, 114, 0.15);
  font-family: var(--font-mincho);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  vertical-align: top;
  white-space: nowrap;
}

.table td {
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(184, 164, 114, 0.08);
  color: var(--fg);
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: 300;
}

/* 最初の行の上辺 */
.table tr:first-child th,
.table tr:first-child td {
  border-top: 1px solid rgba(184, 164, 114, 0.15);
}

/* レスポンシブ: スマホでは縦並び */
@media (max-width: 600px) {
  .table,
  .table tbody,
  .table tr,
  .table th,
  .table td {
    display: block;
    width: 100%;
  }

  .table th {
    padding: 0.8rem 1rem 0.3rem;
    border-bottom: none;
  }

  .table td {
    padding: 0.3rem 1rem 1rem;
  }
}

/* ========================================
   フォーム要素
======================================== */
input[type=text],
input[type=email],
input[type=tel],
input[type=password],
textarea,
select {
  width: 100%;
  max-width: 100%;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(184, 164, 114, 0.2);
  color: var(--fg);
  font-family: var(--font-gothic);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.6;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

input[type=text]:focus,
input[type=email]:focus,
input[type=tel]:focus,
input[type=password]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(184, 164, 114, 0.15);
  background: rgba(255, 255, 255, 0.06);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b8a472' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

input[type=radio],
input[type=checkbox] {
  accent-color: var(--gold);
  cursor: pointer;
}

label {
  cursor: pointer;
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: 300;
}

::placeholder {
  color: rgba(168, 158, 140, 0.5);
}

/* ========================================
   ボタン
======================================== */
.button_box {
  clear: both;
  padding: 1.5rem 0;
  text-align: center;
}

.button_box--confirm {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* CTA風ボタン */
.cta-btn,
input[type=submit] {
  display: inline-block;
  padding: 1rem 3rem;
  font-family: var(--font-mincho);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--accent);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

.cta-btn::before,
input[type=submit]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), #a07850);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: -1;
}

.cta-btn:hover::before,
input[type=submit]:hover::before {
  transform: scaleX(1);
}

.cta-btn:hover,
input[type=submit]:hover {
  border-color: transparent;
  color: var(--fg);
}

/* 戻るボタン（控えめ） */
.cta-btn--back,
input[type=submit][value="戻る"] {
  border-color: rgba(184, 164, 114, 0.3);
  font-weight: 400;
}

.cta-btn--back::before,
input[type=submit][value="戻る"]::before {
  background: linear-gradient(135deg, rgba(45, 40, 69, 0.8), rgba(45, 40, 69, 0.6));
}

/* disabled */
input[type=submit]:disabled {
  opacity: 0.4;
  cursor: default;
}

/* ========================================
   サイトへ戻るリンク
======================================== */
.back-link {
  margin-top: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(184, 164, 114, 0.1);
}

.back-link a {
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
  transition: color 0.3s ease;
  position: relative;
}

.back-link a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease, left 0.3s ease;
}

.back-link a:hover {
  color: var(--gold);
}

.back-link a:hover::after {
  width: 100%;
  left: 0;
}

/* ========================================
   完了画面
======================================== */
.complete-message {
  padding: 3rem 0;
}

.complete-icon {
  font-size: 3rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  line-height: 1;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 600px) {
  #wrapper {
    padding: 2rem 1rem 3rem;
  }

  .cta-btn,
  input[type=submit] {
    width: 100%;
    padding: 0.9rem 2rem;
  }

  .button_box--confirm {
    flex-direction: column;
    gap: 0.8rem;
  }
}

@media (min-width: 768px) {
  #wrapper {
    padding: 4rem 2rem 5rem;
  }
}