@charset "UTF-8";

/* ========================================
   認定証申し込みフロー専用スタイル（デザインのみ）
   - スクリプト動作や決済処理に影響するHTML/JSは変更しない前提
   - 既存のクラス/IDはそのままに、見た目とUX（可読性・余白・フォーカス）を改善
   ======================================== */

/* ----------------------------------------
   Design tokens - モダンで洗練された配色
---------------------------------------- */
:root {
  /* プライマリカラー（既存を踏襲しつつ洗練） */
  --cert-primary: #b44b4c;
  --cert-primary-dark: #963133;
  --cert-primary-light: #c96567;
  --cert-secondary: #f78205;
  --cert-accent: #d82121;

  /* 背景色（より柔らかく） */
  --cert-bg-light: #f8f9fa;
  --cert-bg-white: #ffffff;
  --cert-bg-subtle: #fafbfc;
  
  /* ボーダー（より繊細に） */
  --cert-border: #e5e7eb;
  --cert-border-strong: #d1d5db;
  --cert-border-light: #f3f4f6;
  
  /* テキスト（視認性向上） */
  --cert-text: #1f2937;
  --cert-text-secondary: #4b5563;
  --cert-text-light: #6b7280;
  --cert-text-muted: #9ca3af;
  
  /* ステータスカラー */
  --cert-error: #dc2626;
  --cert-error-bg: #fef2f2;
  --cert-error-border: #fecaca;
  --cert-success: #059669;
  --cert-success-bg: #d1fae5;
  --cert-info: #2563eb;
  --cert-info-bg: #dbeafe;
  
  /* シャドウ（削除） */
  --cert-shadow-xs: none;
  --cert-shadow-sm: none;
  --cert-shadow-md: none;
  --cert-shadow-lg: none;
  --cert-shadow-xl: none;

  /* 角丸（より現代的に） */
  --cert-radius-xs: 4px;
  --cert-radius-sm: 5px;
  --cert-radius: 12px;
  --cert-radius-lg: 16px;
  --cert-radius-xl: 20px;
  
  /* フォーカスリング */
  --cert-ring: 0 0 0 3px rgba(180, 75, 76, 0.12);
  --cert-ring-offset: 0 0 0 2px var(--cert-bg-white);
  
  /* トランジション */
  --cert-transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --cert-transition-fast: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   ヘッダー（offer_header）
   ======================================== */
.offer_header {
  margin: 5px auto 0 auto;
  padding: 0;
  width: 100%;
}

.offer_header .main_logo {
  margin: 0;
  padding: 1em;
  width: 24%;
}

@media screen and (max-width: 480px) {
  .offer_header .main_logo {
    padding: 0.5em 1em;
    width: 60%;
  }
}

.offer_header .main_logo > a > img {
  object-fit: contain;
  width: 100%;
}

/* 背景はcertページの主要コンテナだけに適用 */
.cert-progress + .container-fluid {
  padding: 2em 0;
  background: var(--cert-bg-light);
  min-height: 100vh;
}

/* 文字の見た目（極端な上書きは避ける） */
.cert-section,
.cert-complete {
  color: var(--cert-text);
}

/* 過度なアニメーションを避ける */
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ========================================
   プログレスインジケーター（より洗練された見た目）
   ======================================== */
.cert-progress {
  margin: 0 auto;
  padding: 2rem 0 1.75rem;
  width: 100%;
  background: linear-gradient(to bottom, #ffffff, var(--cert-bg-subtle));
  border-bottom: 1px solid var(--cert-border);
}

.cert-progress__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin: 0 auto;
  padding: 0 1.5rem;
  max-width: 1000px;
  list-style: none;
}

.cert-progress__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.cert-progress__separator {
  flex: 0 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--cert-border-strong);
  transition: var(--cert-transition);
}

.cert-progress__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.cert-progress__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 0.625rem;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  text-align: center;
  white-space: nowrap;
  color: var(--cert-text-muted);
  background: var(--cert-bg-white);
  border: 2px solid var(--cert-border);
  border-radius: 50%;
  transition: var(--cert-transition);
}

.cert-progress__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cert-text-light);
  text-align: center;
  line-height: 1.4;
  transition: var(--cert-transition);
}

.cert-progress__item--current .cert-progress__number {
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-accent) 0%, #b82d2d 100%);
  border-color: var(--cert-accent);
  transform: scale(1.05);
}

.cert-progress__item--current .cert-progress__label {
  color: var(--cert-accent);
  font-weight: 700;
}

@media screen and (max-width: 480px) {
  .cert-progress {
    padding: 1.25rem 0.5rem;
  }

  .cert-progress__list {
    padding: 0 0.5rem;
  }

  .cert-progress__number {
    width: 42px;
    height: 42px;
    font-size: 0.6rem;
  }

  .cert-progress__label {
    font-size: 0.75rem;
  }

  .cert-progress__separator {
    flex: 0 0 20px;
    font-size: 0.875rem;
  }
}

/* ========================================
   セクション
   ======================================== */
.cert-section {
  margin: 0 auto 5rem auto;
  padding: 0 0 2rem;
  max-width: 1040px;
  width: min(96%, 1040px);
}

.cert-section__title {
  /* margin: 3.5rem 0 2.5rem; */
  margin: 0 auto 2.5em auto;
  padding: 0;
  font-size: 2rem;
  font-weight: 800;
  color: var(--cert-text);
  text-align: center;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

@media screen and (max-width: 480px) {
  .cert-section {
    margin-bottom: 3rem;
  }

  .cert-section__title {
    margin: 2rem 0 1.5rem;
    font-size: 1.5rem;
  }
}

/* ========================================
   カード（より洗練されたデザイン）
   ======================================== */
.cert-card {
  margin: 2rem 0;
  background: var(--cert-bg-white);
  border-radius: var(--cert-radius-sm);
  border: 1px solid var(--cert-border);
  overflow: hidden;
  transition: var(--cert-transition);
}

.cert-card__header {
  padding: 1.5rem 2rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border-bottom: none;
  letter-spacing: 0.02em;
}

.cert-card__body {
  padding: 2rem 1.75rem;
  background: var(--cert-bg-subtle);
}

.cert-card__body--flush {
  padding: 0;
}

@media screen and (max-width: 480px) {
  .cert-card__header {
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }

  .cert-card__body {
    /* padding: 1.25rem 1rem; */
    padding: 0;
  }
}


/* ========================================
   認定証タイプ選択（カード型）
   ======================================== */
.cert-type-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.cert-type-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 2px solid var(--cert-border);
  border-radius: var(--cert-radius-lg);
  overflow: hidden;
  transition: var(--cert-transition);
  cursor: pointer;
}

.cert-type-card:hover {
  border-color: var(--cert-border-strong);
  transform: translateY(-2px);
}

.cert-type-card__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cert-type-card__input:checked + .cert-type-card__content {
  border-color: var(--cert-primary);
  background: linear-gradient(to bottom, #fff5f5, #ffffff);
}

.cert-type-card__input:checked + .cert-type-card__content::before {
  opacity: 1;
  transform: scale(1);
}

.cert-type-card__input:focus-visible + .cert-type-card__content {
  outline: none;
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
}

.cert-type-card__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  border: 3px solid transparent;
  border-radius: var(--cert-radius-lg);
  transition: var(--cert-transition);
  min-height: 160px;
}

.cert-type-card__content::before {
  content: "✓";
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 1.125rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0);
  transition: var(--cert-transition);
}

.cert-type-card__title {
  margin: 0 0 1rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--cert-text);
  text-align: center;
  letter-spacing: 0.01em;
}

.cert-type-card__price {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--cert-primary);
  text-align: center;
  letter-spacing: 0.01em;
}

@media screen and (max-width: 480px) {
  .cert-type-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .cert-type-card__content {
    padding: 1.75rem 1rem;
    min-height: 120px;
  }

  .cert-type-card__title {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
  }

  .cert-type-card__price {
    font-size: 1.375rem;
  }
}

/* ========================================
   資格選択エリア
   ======================================== */
.cert-select-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.cert-category {
  background: #ffffff;
  border-radius: var(--cert-radius);
  overflow: hidden;
  border: 1px solid var(--cert-border);
  transition: var(--cert-transition);
}

.cert-category:hover {
  border-color: var(--cert-border-strong);
}

.cert-category__title {
  appearance: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.4;
  padding: 1rem 1.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cert-primary);
  background: linear-gradient(to bottom, #fef5f5, #fceaea);
  border-bottom: 1px solid var(--cert-border-light);
  letter-spacing: 0.01em;
}

.cert-category__list {
  padding: 1rem 0.875rem 1.25rem;
  margin: 0;
  list-style: none;
  background: #ffffff;
}

.cert-category__item {
  margin: 0;
  padding: 0;
}

/* チェックボックスはdisplay:noneだとキーボード操作できないため視覚的に隠す */
.cert-checkbox {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cert-checkbox-label {
  position: relative;
  display: block;
  padding: 0.75rem 0.875rem 0.75rem 2.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--cert-text);
  cursor: pointer;
  border-radius: var(--cert-radius-sm);
  transition: var(--cert-transition);
  line-height: 1.5;
}

.cert-checkbox-label:hover {
  background: rgba(180, 75, 76, 0.04);
}

.cert-checkbox-label::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0.75rem;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: #ffffff;
  border: 2px solid var(--cert-border-strong);
  border-radius: var(--cert-radius-xs);
  transition: var(--cert-transition);
}

.cert-checkbox-label::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 1.1rem;
  transform: translateY(-55%) rotate(45deg) scale(0);
  width: 6px;
  height: 11px;
  border-right: 2.5px solid #ffffff;
  border-bottom: 2.5px solid #ffffff;
  transition: var(--cert-transition);
}

.cert-checkbox:checked + .cert-checkbox-label::before {
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border-color: var(--cert-primary);
}

.cert-checkbox:checked + .cert-checkbox-label::after {
  transform: translateY(-60%) rotate(45deg) scale(1);
}

.cert-checkbox:focus-visible + .cert-checkbox-label {
  outline: none;
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
}

@media screen and (max-width: 480px) {
  .cert-select-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .cert-card {
    margin: 1.25rem 0;
  }

  .cert-category {
    border-radius: var(--cert-radius-sm);
  }

  .cert-category__title {
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .cert-category__title::after {
    content: "";
    width: 10px;
    height: 10px;
    margin-left: 0.75rem;
    border-right: 2px solid var(--cert-primary);
    border-bottom: 2px solid var(--cert-primary);
    transform: rotate(45deg);
    transition: var(--cert-transition);
    flex: 0 0 auto;
  }

  .cert-category.is-open .cert-category__title::after {
    transform: rotate(-135deg);
  }

  .cert-category__list {
    display: none;
    padding: 0.75rem 1rem 0.9rem;
  }

  .cert-category.is-open .cert-category__list {
    display: block;
  }

  .cert-checkbox-label {
    font-size: 0.875rem;
  }
}

/* ========================================
   選択済み資格表示
   ======================================== */
.cert-selected {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--cert-bg-white);
}

.cert-selected__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--cert-border-light);
  transition: var(--cert-transition-fast);
}

.cert-selected__item:hover {
  background: var(--cert-bg-subtle);
}

.cert-selected__item:last-child {
  border-bottom: none;
}

.cert-selected__name {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cert-text);
  line-height: 1.5;
}

.cert-selected__badges {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.cert-selected__type {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #1e40af;
  background: #dbeafe;
  border-radius: var(--cert-radius-xs);
  border: 1px solid #bfdbfe;
}

.cert-selected__price {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cert-text);
}

.cert-selected__price-label {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--cert-accent);
  border-radius: var(--cert-radius-xs);
  letter-spacing: 0.02em;
}

@media screen and (max-width: 480px) {
  .cert-selected__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
  }

  .cert-selected__name {
    font-size: 1rem;
  }

  .cert-selected__badges {
    width: 100%;
    justify-content: flex-start;
  }

  .cert-selected__price {
    font-size: 1rem;
  }
}

/* ========================================
   合計金額表示
   ======================================== */
.cert-total {
  display: flex;
  margin: 1.5rem 0 2.5rem;
  background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
  border-radius: var(--cert-radius-sm);
  overflow: hidden;
  border: 1px solid #fecaca;
}

.cert-total__label {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 35%;
  padding: 1.25rem 1rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cert-accent);
  background: linear-gradient(to right, #fee2e2, #fecaca);
  border-right: 1px solid #fca5a5;
  letter-spacing: 0.02em;
}

.cert-total__amount {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  padding: 1.25rem 1.75rem;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--cert-text);
  letter-spacing: 0.01em;
}

@media screen and (max-width: 480px) {
  .cert-total__label {
    font-size: 0.9375rem;
    flex: 0 0 40%;
  }

  .cert-total__amount {
    font-size: 1.375rem;
    padding: 1rem 1.25rem;
  }
}

/* ========================================
   フォームテーブル
   ======================================== */
.cert-form-table {
  width: 100%;
  margin: 0;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--cert-bg-white);
}

.cert-form-table__row {
  border-bottom: 1px solid var(--cert-border-light);
  transition: var(--cert-transition-fast);
}

.cert-form-table__row:hover {
  background: var(--cert-bg-subtle);
}

.cert-form-table__row:last-child {
  border-bottom: none;
}

.cert-form-table__header {
  position: relative;
  padding: 1.5rem 1.75rem;
  width: 32%;
  font-size: 1rem;
  font-weight: 700;
  color: #78350f;
  /* background: linear-gradient(to bottom, #fef3c7, #fde68a); */
  background: #f1f1f1;
  text-align: left;
  vertical-align: middle;
  letter-spacing: 0.01em;
  border-bottom: 1px solid #fff;
}

.cert-form-table__header--required::after {
  content: "必須";
  position: absolute;
  top: 50%;
  right: 1.25rem;
  transform: translateY(-50%);
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  border-radius: var(--cert-radius-xs);
  letter-spacing: 0.05em;
}

.cert-form-table__cell {
  padding: 1.25rem 1.75rem;
  background: var(--cert-bg-white);
  vertical-align: middle;
  border-bottom: 1px solid #eee;
  font-size: 1rem;
  line-height: 1.5;
}

.cert-form-table__input,
.cert-form-table__select,
.cert-form-table__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--cert-text);
  background: #ffffff;
  border: 2px solid var(--cert-border);
  border-radius: var(--cert-radius-xs);
  transition: var(--cert-transition);
  font-family: inherit;
}

.cert-form-table__input:hover,
.cert-form-table__select:hover,
.cert-form-table__textarea:hover {
  border-color: var(--cert-border-strong);
}

.cert-form-table__input:focus,
.cert-form-table__select:focus,
.cert-form-table__textarea:focus {
  outline: none;
  border-color: var(--cert-primary);
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
  background: #ffffff;
}

.cert-form-table__input--half { 
  max-width: 50%; 
}

.cert-form-table__input--small { 
  max-width: 30%; 
}

.cert-form-table__textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.cert-form-table__error {
  margin-top: 0.625rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cert-error);
  background: var(--cert-error-bg);
  border-radius: var(--cert-radius);
  border: 1px solid var(--cert-error-border);
  display: none;
  line-height: 1.5;
}

.cert-form-table__button {
  margin-left: 0.875rem;
  padding: 0.875rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-secondary) 0%, #e67700 100%);
  border: none;
  border-radius: var(--cert-radius-sm);
  cursor: pointer;
  transition: var(--cert-transition);
  letter-spacing: 0.01em;
}

.cert-form-table__button:hover {
  background: linear-gradient(135deg, #e67700 0%, #d66d00 100%);
  transform: translateY(-1px);
}

.cert-form-table__button:active {
  transform: translateY(0);
}

.cert-form-table__button:disabled {
  background: #d1d5db;
  cursor: not-allowed;
  transform: none;
}

.cert-form-table__button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(247, 130, 5, 0.2), var(--cert-ring-offset);
}

@media screen and (max-width: 480px) {
  .cert-form-table__header,
  .cert-form-table__cell {
    display: block;
    width: 100%;
    padding: 1rem 1.25rem;
  }

  .cert-form-table__header {
    border-bottom: none;
    padding-bottom: 0.75rem;
  }

  .cert-form-table__cell {
    padding-top: 0.75rem;
  }

  .cert-form-table__header--required::after {
    right: 1rem;
  }

  .cert-form-table__input--half,
  .cert-form-table__input--small {
    max-width: 100%;
  }

  .cert-form-table__button {
    margin-left: 0;
    margin-top: 0.75rem;
    width: 100%;
  }
}

/* ========================================
   支払い方法選択
   ======================================== */
.cert-payment {
  margin: 0;
  padding: 0;
  background: var(--cert-bg-white);
  /* border: 1px solid var(--cert-border); */
  /* border-radius: var(--cert-radius-lg); */
  overflow: hidden;
}

.cert-payment__item {
  border-bottom: 1px solid var(--cert-border-light);
}

.cert-payment__item:last-child {
  border-bottom: none;
}

.cert-payment__radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cert-payment__label {
  position: relative;
  display: block;
  padding: 1.25rem 1.25rem 1.25rem 3.75rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cert-text);
  cursor: pointer;
  transition: var(--cert-transition);
  letter-spacing: 0.01em;
}

.cert-payment__label:hover {
  background: var(--cert-bg-subtle);
}

.cert-payment__label::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 1.25rem;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  background: #ffffff;
  border: 2px solid var(--cert-border-strong);
  border-radius: var(--cert-radius-sm);
  transition: var(--cert-transition);
}

.cert-payment__label::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 1.8rem;
  transform: translateY(-55%) rotate(45deg) scale(0);
  width: 8px;
  height: 14px;
  border-right: 3px solid #ffffff;
  border-bottom: 3px solid #ffffff;
  transition: var(--cert-transition);
}

.cert-payment__radio:checked + .cert-payment__label {
  background: linear-gradient(to right, rgba(180, 75, 76, 0.04), transparent);
}

.cert-payment__radio:checked + .cert-payment__label::before {
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border-color: var(--cert-primary);
}

.cert-payment__radio:checked + .cert-payment__label::after {
  transform: translateY(-60%) rotate(45deg) scale(1);
}

.cert-payment__radio:focus-visible + .cert-payment__label {
  outline: none;
  box-shadow: inset var(--cert-ring);
}

.cert-payment__details {
  padding: 1.75rem 2rem;
  /* background: linear-gradient(to bottom, #fffef5, #fefce8); */
  background: #fff;
  display: none;
  border-top: 1px solid var(--cert-border-light);
  border-bottom: 1px solid var(--cert-border-light);
}

.cert-payment__details--visible {
  display: block;
}

.cert-payment__title {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cert-text);
  letter-spacing: 0.01em;
}

.cert-payment__description {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--cert-text-secondary);
  line-height: 1.75;
}

.cert-payment__cards {
  margin: 1.25rem 0;
  max-width: 540px;
}

.cert-payment__cards img {
  width: 100%;
  height: auto;
  border-radius: var(--cert-radius-sm);
}

.cert-payment__value {
  font-size: 1.2rem;
  font-weight: 600;
  color: #333;
  text-align: center;
}

@media screen and (max-width: 480px) {
  .cert-payment__label {
    padding: 1.5rem 1rem 1.5rem 3.25rem;
    font-size: 0.9375rem;
  }

  .cert-payment__label::before {
    left: 0.9rem;
  }

  .cert-payment__label::after {
    left: 1.4rem;
  }

  .cert-payment__details {
    padding: 1.25rem 1.25rem;
  }

  .cert-payment__cards {
    max-width: 100%;
  }
}

/* ========================================
   クレジットカード入力フォーム
   ======================================== */
.cert-credit-form {
  margin: 1.5rem 0 0;
}

.cert-credit-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--cert-border);
  border-radius: var(--cert-radius-sm);
  overflow: hidden;
  background: #ffffff;
}

.cert-credit-table__row + .cert-credit-table__row .cert-credit-table__th,
.cert-credit-table__row + .cert-credit-table__row .cert-credit-table__td {
  border-top: 1px solid var(--cert-border);
}

.cert-credit-table__th {
  width: 32%;
  background: #f4f5f7;
  padding: 1.25rem 1.5rem;
  text-align: left;
  vertical-align: middle;
  border-right: 1px solid var(--cert-border);
}

.cert-credit-table__td {
  padding: 1.25rem 1.5rem;
  vertical-align: middle;
}

.cert-credit-form__group {
  margin-bottom: 1.5rem;
}

.cert-credit-form__label {
  display: block;
  margin-bottom: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--cert-text);
  letter-spacing: 0.01em;
}

.cert-credit-form__label--inline {
  display: inline-block;
  min-width: 4.75rem;
  margin-bottom: 0;
  font-size: 0.9rem;
}

.cert-credit-form__input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--cert-text);
  background: #fff5f7;
  border: 1px solid #d9dde3;
  border-radius: 6px;
  transition: var(--cert-transition);
  font-family: inherit;
}

.cert-credit-form__input:hover {
  border-color: #c7cdd6;
}

.cert-credit-form__input:focus {
  outline: none;
  border-color: var(--cert-primary);
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
  background: #ffffff;
}

.cert-credit-form__input--small {
  max-width: 7rem;
}

.cert-credit-form__row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.cert-credit-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cert-credit-form__field-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cert-text);
}

.cert-credit-form__field--small {
  width: 6rem;
}

.cert-credit-form__row--name .cert-credit-form__input--name {
  flex: 1;
  min-width: 8rem;
}

.cert-credit-form__row--payment {
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
}

.cert-credit-form__row--payment > .cert-credit-form__input--select {
  width: auto;
  min-width: 10rem;
  flex: 0 0 auto;
}

.cert-credit-form__row--divide {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
}

.cert-credit-form__input--select {
  min-width: 9.5rem;
}

#dealing,
#divide {
  background: #ffffff;
}

.cert-credit-form__error {
  margin-top: 0.625rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cert-error);
  background: var(--cert-error-bg);
  border-radius: var(--cert-radius);
  border: 1px solid var(--cert-error-border);
  display: none;
  line-height: 1.5;
}

@media screen and (max-width: 480px) {
  .cert-credit-table__th,
  .cert-credit-table__td {
    display: block;
    width: 100%;
    border-right: none;
  }

  .cert-credit-table__th {
    border-bottom: 1px solid var(--cert-border);
  }

  .cert-credit-form__input--small {
    /* max-width: 6rem; */
    max-width: auto;
  }

  .cert-credit-form__row--payment {
    flex-direction: column;
    align-items: flex-start;
  }

  .cert-credit-form__row--payment > .cert-credit-form__input--select {
    width: 100%;
  }

  .cert-credit-form__field--small {
    width: 6rem;
  }
}

/* ========================================
   ボタン
   ======================================== */
.cert-buttons {
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  margin: 3rem 0 2rem;
}

.cert-button {
  padding: 1.125rem 2.25rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border: none;
  border-radius: var(--cert-radius-sm);
  cursor: pointer;
  transition: var(--cert-transition);
  text-decoration: none;
  text-align: center;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.cert-button:hover {
  background: linear-gradient(135deg, var(--cert-primary-dark) 0%, #7d2426 100%);
  transform: translateY(-2px);
}

.cert-button:active {
  transform: translateY(0);
}

.cert-button:focus-visible {
  outline: none;
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
}

.cert-button--primary {
  flex: 1;
  max-width: 70%;
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  font-weight: 800;
}

.cert-button--secondary {
  flex: 0 0 auto;
  min-width: 140px;
  background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

.cert-button--secondary:hover {
  background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
}

.cert-button--disabled {
  background: linear-gradient(135deg, #d1d5db 0%, #9ca3af 100%);
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.cert-button--center {
  margin: 0 auto;
  display: block;
  max-width: 460px;
}

@media screen and (max-width: 480px) {
  .cert-buttons {
    flex-direction: column-reverse;
    gap: 1rem;
    margin: 2rem 0 1.5rem;
  }

  .cert-button {
    padding: 1rem 1.5rem;
  }

  .cert-button--primary {
    max-width: 100%;
    padding: 1.125rem 1.75rem;
    font-size: 1rem;
  }

  .cert-button--secondary {
    width: 100%;
  }
}

/* ========================================
   入力チェッカー（必須残数）
   ======================================== */
.cert-checker {
  position: fixed;
  top: 400px;
  right: 0;
  padding: 1rem 1.5rem;
  min-width: 200px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #ffffff;
  text-align: center;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  border-top-left-radius: var(--cert-radius-sm);
  border-bottom-left-radius: var(--cert-radius-sm);
  z-index: 1000;
  backdrop-filter: blur(8px);
  letter-spacing: 0.01em;
}

.cert-checker__count {
  display: block;
  margin-top: 0.375rem;
  font-size: 1.0625rem;
  font-weight: 700;
}

.cert-checker__number {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fef08a;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

@media screen and (max-width: 480px) {
  .cert-checker {
    top: 12px;
    right: 12px;
    bottom: auto;
    left: auto;
    border-radius: var(--cert-radius-sm);
    min-width: 0;
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .cert-checker__count {
    font-size: 0.8125rem;
  }

  .cert-checker__number {
    font-size: 1.125rem;
  }
}

/* ========================================
   完了画面
   ======================================== */
.cert-complete {
  margin: 4rem auto;
  padding: 3rem 2rem;
  max-width: 840px;
  text-align: center;
}

.cert-complete__title {
  margin: 0 0 2.5rem;
  font-size: 2rem;
  font-weight: 800;
  color: var(--cert-accent);
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.cert-complete__message {
  margin: 0 auto 3rem;
  padding: 2rem 2.5rem;
  max-width: 700px;
  font-size: 1.0625rem;
  color: var(--cert-text);
  line-height: 1.85;
  background: linear-gradient(to bottom, #ffffff, var(--cert-bg-subtle));
  border-radius: var(--cert-radius-lg);
  border: 1px solid var(--cert-border);
}

.cert-complete__message--error {
  background: linear-gradient(to bottom, #fef2f2, #fee2e2);
  border-color: var(--cert-error-border);
}

.cert-complete__link {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 1.125rem 2.75rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border-radius: var(--cert-radius-lg);
  text-decoration: none;
  transition: var(--cert-transition);
  letter-spacing: 0.02em;
}

.cert-complete__link:hover {
  background: linear-gradient(135deg, var(--cert-primary-dark) 0%, #7d2426 100%);
  transform: translateY(-2px);
}

.cert-complete__link:active {
  transform: translateY(0);
}

.cert-complete__link:focus-visible {
  outline: none;
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
}

@media screen and (max-width: 480px) {
  .cert-complete {
    margin: 2rem auto;
    padding: 2rem 1rem;
  }

  .cert-complete__title {
    font-size: 1.5rem;
    margin-bottom: 1.75rem;
  }

  .cert-complete__message {
    padding: 1.5rem 1.5rem;
    font-size: 0.9375rem;
  }

  .cert-complete__link {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

/* ========================================
   アラート
   ======================================== */
.cert-alert {
  margin: 3rem auto;
  padding: 2rem 2.5rem;
  max-width: 680px;
  font-size: 1.0625rem;
  color: var(--cert-text);
  text-align: center;
  line-height: 1.85;
  background: linear-gradient(to bottom, #fef2f2, #fee2e2);
  border-radius: var(--cert-radius-lg);
  border: 1px solid var(--cert-error-border);
  border-left: 4px solid var(--cert-error);
}

.cert-alert__link {
  display: inline-block;
  margin-top: 1.75rem;
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border-radius: var(--cert-radius);
  text-decoration: none;
  transition: var(--cert-transition);
  letter-spacing: 0.01em;
}

.cert-alert__link:hover {
  background: linear-gradient(135deg, var(--cert-primary-dark) 0%, #7d2426 100%);
  transform: translateY(-2px);
}

.cert-alert__link:active {
  transform: translateY(0);
}

.cert-alert__link:focus-visible {
  outline: none;
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
}

@media screen and (max-width: 480px) {
  .cert-alert {
    margin: 2rem auto;
    padding: 1.5rem 1.5rem;
    font-size: 0.9375rem;
  }

  .cert-alert__link {
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
  }
}

/* ========================================
   ユーティリティ
   ======================================== */
.cert-mb-1 { margin-bottom: 0.5rem; }
.cert-mb-2 { margin-bottom: 1rem; }
.cert-mb-3 { margin-bottom: 1.5rem; }
.cert-mb-4 { margin-bottom: 2rem; }

.cert-mt-1 { margin-top: 0.5rem; }
.cert-mt-2 { margin-top: 1rem; }
.cert-mt-3 { margin-top: 1.5rem; }
.cert-mt-4 { margin-top: 2rem; }

.cert-hidden { display: none !important; }

.cert-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   スライドインパネル
   ======================================== */
.cert-slide-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 1px solid var(--cert-border);
  z-index: 1000;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.cert-slide-panel.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cert-slide-panel__container {
  max-width: 1040px;
  width: min(96%, 1040px);
  margin: 0 auto;
  padding: 1.5rem 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 2.5rem;
}

.cert-slide-panel__info {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  flex: 1;
}

.cert-slide-panel__row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.cert-slide-panel__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cert-text-secondary);
  white-space: nowrap;
  line-height: 1;
  height: 0.75rem;
}

.cert-slide-panel__value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cert-text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  height: 1.5rem;
}

.cert-slide-panel__number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cert-accent);
  line-height: 1;
}

.cert-slide-panel__summary {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0;
  background: transparent;
  border-radius: 0;
  border: none;
  min-height: auto;
  flex: 0 0 auto;
}

.cert-slide-panel__total-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cert-text-secondary);
  letter-spacing: 0.01em;
  white-space: nowrap;
  line-height: 1;
  height: 0.75rem;
}

.cert-slide-panel__total-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cert-accent);
  letter-spacing: 0.01em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  height: 1.5rem;
}

.cert-slide-panel__tax-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cert-text-light);
  margin-left: 0.25rem;
}

.cert-slide-panel__action {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.cert-slide-panel__button {
  padding: 1rem 2.25rem;
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--cert-primary) 0%, var(--cert-primary-dark) 100%);
  border: none;
  /* border-radius: var(--cert-radius-lg); */
  border-radius: 5px;
  cursor: pointer;
  transition: var(--cert-transition);
  text-decoration: none;
  text-align: center;
  letter-spacing: 0.02em;
  line-height: 1.4;
  white-space: nowrap;
}

.cert-slide-panel__button:hover {
  background: linear-gradient(135deg, var(--cert-primary-dark) 0%, #7d2426 100%);
  transform: translateY(-2px);
}

.cert-slide-panel__button:active {
  transform: translateY(0);
}

.cert-slide-panel__button:focus-visible {
  outline: none;
  box-shadow: var(--cert-ring), var(--cert-ring-offset);
}

@media screen and (max-width: 480px) {
  .cert-slide-panel {
    background: #f3f4f6;
  }

  .cert-slide-panel__container {
    padding: 0.75rem 0.75rem 0.875rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .cert-slide-panel__info {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    grid-auto-rows: 1fr;
    align-items: stretch;
    width: 100%;
  }

  .cert-slide-panel__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.375rem;
    padding: 0.75rem 0.875rem;
    background: #f5f5f5;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    height: 100%;
  }

  .cert-slide-panel__label {
    font-size: 0.75rem;
    height: auto;
  }

  .cert-slide-panel__value {
    font-size: 0.9375rem;
    height: auto;
  }

  .cert-slide-panel__summary {
    width: 100%;
    padding: 0.75rem 0.875rem;
    min-height: auto;
    background: #f5f5f5;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
  }

  .cert-slide-panel__action {
    width: 100%;
  }

  .cert-slide-panel__total-label {
    font-size: 0.75rem;
    height: auto;
  }

  .cert-slide-panel__total-amount {
    font-size: 1.25rem;
    height: auto;
  }

  .cert-slide-panel__tax-label {
    font-size: 0.75rem;
  }

  .cert-slide-panel__button {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 0.9375rem;
  }
}