/* 共通スタイル */
:root {
  /* カラー変数 */
  --color-primary: #bdfd42;
  --color-secondary: #232323;
  --color-black: #0f0f0f;
  --color-gray: #777777;
  --color-white: #ffffff;
  --color-pointback-label-text: #d61d1d;
  --color-pointback-label-bg: #fdf2f2;
  --color-background-reward: #f6ffe6;
  --color-background-wallet: #e8f7fb;
  --color-border: #f7f7f7;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ボタンスタイル */
.btn {
  display: inline-block;
  padding: 16px 24px;
  border-radius: 50px;
  font-size: 1.4rem;
  font-weight: bold;
  text-align: center;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
  transition: all 0.3s ease;
  width: 100%;
  max-width: 300px;
  min-width: 200px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn--narrow {
  width: auto;
}
.btn--wide {
  max-width: 492px;
  font-size: 1.6rem;
}

/* セクション共通スタイル */
section {
  padding: 60px 0;
}

/* 見出しスタイル */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: bold;
  line-height: 1.75;
}

h1 {
  font-size: 3.6rem;
}
h2 {
  font-size: 2.1rem;
}
h3 {
  font-size: 1.6rem;
}
p {
  font-size: 1.4rem;
}

/* ロゴスタイル */
.vaton-logo,
.gift-logo {
  font-weight: bold;
  margin-bottom: 20px;
}

/* 画像スタイル */
.img-fluid {
  max-width: 100%;
  height: auto;
}

/* テキストスタイル */
.text-center {
  text-align: center;
}

.text-bold {
  font-weight: bold;
}

/* マージンユーティリティ */
.mb-8 {
  margin-bottom: 8px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mb-32 {
  margin-bottom: 32px;
}

.mb-40 {
  margin-bottom: 40px;
}

.mb-48 {
  margin-bottom: 48px;
}

.mb-56 {
  margin-bottom: 56px;
}

.mb-64 {
  margin-bottom: 64px;
}

.mb-72 {
  margin-bottom: 72px;
}

/* パディングユーティリティ */
.pt-10 {
  padding-top: 10px;
}

.pt-20 {
  padding-top: 20px;
}

.pt-30 {
  padding-top: 30px;
}

.pt-40 {
  padding-top: 40px;
}

.pt-50 {
  padding-top: 50px;
}

/* フレックスユーティリティ */
.d-flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.align-items-center {
  align-items: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* グリッドシステム */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

/* 背景色 */
.bg-reward {
  background-color: var(--color-background-reward);
}

.bg-wallet {
  background-color: var(--color-background-wallet);
}

.bg-white {
  background-color: var(--color-white);
}

/* ヘッダースタイル */
.header {
  padding: 20px 0;
  background-color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--color-border);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo-area {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header__logo-vaton img,
.header__logo-gift img {
  height: auto;
  display: block;
}

.header__buttons {
  display: flex;
  gap: 10px;
}

.header__buttons .btn {
  padding: 8px 16px;
  min-width: auto;
}

/* メインビジュアルスタイル */
.hero {
  padding: 60px 0 0;
  background-color: var(--color-white);
}

.hero__container {
  text-align: center;
  max-width: none;
  padding: 0;
}

.hero__title {
  margin-bottom: -24px;
  padding: 0 20px;
  position: relative;
  z-index: 1;
  color: var(--color-black);
}

.hero__services {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 0;
  position: relative;
}

.hero__service-content {
  width: 100%;
}

.hero__service-item {
  flex: 1;
  max-width: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 72px 32px 0;
}

.hero__service-item:first-child {
  background-color: var(--color-background-reward);
}

.hero__service-item:last-child {
  background-color: var(--color-background-wallet);
}

.hero__service-title {
  margin-bottom: 8px;
  color: var(--color-black);
}

.hero__service-logo {
  height: 32px;
  margin-bottom: 24px;
}

.hero__service-item:first-child .hero__service-logo {
  color: var(--color-primary);
}

.hero__service-item:last-child .hero__service-logo {
  color: var(--color-secondary);
}

.hero__service-image {
  margin-top: 48px;
  max-width: 400px;
}

.hero__service-image img {
  width: auto;
}

/* vaton rewardセクションスタイル */
.vaton-section {
  padding: 72px 40px 0;
}

.vaton-section__container {
  padding: 96px 64px;
  text-align: center;
  background-color: var(--color-background-reward);
  border-radius: 15px;
}

.vaton-section__title {
  color: var(--color-black);
  margin-bottom: 16px;
}

.vaton-section__logo {
  color: var(--color-primary);
  margin-bottom: 40px;
}

.vaton-section__logo img {
  height: 28px;
}

.vaton-section__features {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.vaton-section__feature-item {
  flex: 1;
  text-align: center;
  background-color: var(--color-white);
  padding: 40px;
  border-radius: 8px;
}

.vaton-section__feature-icon {
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vaton-section__feature-icon img {
  height: 100%;
  width: auto;
}

.vaton-section__feature-title {
  margin-bottom: 15px;
}

.vaton-section__feature-text {
  color: var(--color-black);
  text-align: left;
}

/* gift walletセクションスタイル */
.gift-section {
  padding: 40px 40px 0;
}

.gift-section__container {
  padding: 72px 64px;
  text-align: center;
  background-color: var(--color-background-wallet);
  border-radius: 15px;
}

.gift-section__title {
  color: var(--color-black);
  margin-bottom: 16px;
}

.gift-section__logo {
  font-weight: bold;
  color: var(--color-secondary);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gift-section__logo img {
  height: 40px;
}

.gift-section__description {
  padding: 54px 40px 0;
  border-radius: 8px;
}

.gift-section__subtitle {
  color: var(--color-black);
  margin-bottom: 8px;
}

.gift-section__text {
  color: var(--color-black);
  margin-bottom: 16px;
}

.gift-section__app-image {
  margin: 0 auto;
}

.gift-section__app-image img {
  height: 100%;
  width: auto;
}

.gift-section__features {
  padding-top: 54px;
  border-radius: 8px;
  margin-bottom: 72px;
}

.gift-section__feature-title {
  color: var(--color-black);
  margin-bottom: 8px;
}

.gift-section__feature-text {
  color: var(--color-black);
  line-height: 1.6;
  margin-bottom: 16px;
}

.gift-section__exchange-title {
  margin-bottom: 16px;
}

.gift-section__exchange-text {
  color: var(--color-black);
  margin-bottom: 32px;
}

.gift-section__partners {
  padding: 56px 48px;
  background-color: var(--color-white);
  border-radius: 8px;
}

.gift-section__partners-title {
  margin-bottom: 24px;
}

.gift-section__partners-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.gift-section__partner-logo {
  height: 88px;
  width: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gift-section__partner-logo picture {
  height: 100%;
  width: auto;
}

.gift-section__partner-logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.gift-section__partner-description {
  color: var(--color-gray);
  font-size: 1.2rem;
}

.gift-section__points {
  padding: 56px 48px;
  background-color: var(--color-white);
  border-radius: 8px;
}

.gift-section__points-items {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.gift-section__points-item {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 2px solid var(--color-border);
  border-radius: 16px;
  width: calc(50% - 8px);
}

.gift-section__points-item img {
  height: 104px;
}

.gift-section__points-item-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.gift-section__points-item-title {
  font-weight: bold;
}

.gift-section__points-item-pointback-label {
  color: var(--color-pointback-label-text);
  background-color: var(--color-pointback-label-bg);
  border-radius: 16px;
  padding: 0 8px;
}

.gift-section__points-item-pointback-label .percent {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: bold;
}

.gift-section__points-item-pointback-label .pointback-text {
  display: inline-block;
  font-size: 1.2rem;
}

.gift-section__points-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 10px;
  border-radius: 50%;
  overflow: hidden;
}

.gift-section__points-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gift-section__points-name {
  margin-bottom: 5px;
}

.gift-section__points-description {
  color: var(--color-gray);
  font-size: 1.2rem;
}

.gift-section__points-value {
  color: #ff6b6b;
}

.gift-section__cta {
  margin-top: 40px;
}

/* 注意文言スタイル */
.disclaimer {
  padding: 40px 48px 72px;
}

.disclaimer__text {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--color-gray);
  text-align: left;
}

/* フッタースタイル */
.footer__services {
  display: flex;
  justify-content: center;
}

.footer__service-item {
  flex: 1;
  width: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 72px 32px;
}

.footer__service-item:first-child {
  background-color: var(--color-background-reward);
}

.footer__service-item:last-child {
  background-color: var(--color-background-wallet);
}

.footer__service-title {
  color: var(--color-black);
}

.footer__service-item:first-child .footer__service-logo {
  color: var(--color-primary);
}

.footer__service-item:last-child .footer__service-logo {
  color: var(--color-secondary);
}

/* rewardのロゴサイズ調整 */
.footer__service-logo:first-child img {
  height: 28px;
}

/* walletのロゴサイズ調整 */
.footer__service-logo:last-child img {
  height: 40px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
  padding: 32px 40px;
}

.footer__bottom-content {
  width: calc(100% - 120px - 32px);
  display: flex;
  justify-content: space-between;
  flex-direction: row;
}

.footer__copyright {
  color: var(--color-gray);
}

.footer__links-list {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.footer__links-item {
  text-decoration: underline;
}

.footer__link {
  color: var(--color-gray);
}

.back-to-top {
  width: 120px;
  color: var(--color-gray);
  font-size: 1.2rem;
  font-weight: bold;
  padding: 8px 16px;
  border-radius: 32px;
  border: 2px solid var(--color-border);
  text-align: center;
}

.sticky-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  padding: 20px;
  text-align: center;
  border-top: px solid var(--color-border);
}

.sticky-bottom__container {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* fixed-bottom__containerの子要素は中央揃え */
.sticky-bottom__container a {
  display: inline-block;
  width: 50%;
  max-width: 200px;
  padding: 12px 16px;
}

/* エラーコンテンツ */
.error-content {
  padding: 80px 0;
  background-color: var(--color-background-reward);
}

.error-content__container {
  text-align: center;
}

.error-content__title {
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.error-content__message {
  color: var(--color-black);
  line-height: 1.6;
  margin-bottom: 40px;
}

.error-content__actions {
  display: flex;
  justify-content: center;
}