* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #222;
  background: #f6f6f6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  background: #111;
  color: #fff;
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-logo {
  font-size: 18px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 12px;
  font-size: 14px;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 50px;
}

.hero {
  background: linear-gradient(135deg, #222, #555);
  color: #fff;
  border-radius: 18px;
  padding: 36px 24px;
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 28px;
}

.hero p {
  margin: 0;
  line-height: 1.8;
}

.section {
  background: #fff;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 3px 14px rgba(0,0,0,.06);
}

.section h1,
.section h2 {
  margin-top: 0;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.item-card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  overflow: hidden;
}

.item-card__image {
  background: #eee;
  aspect-ratio: 1 / 1;
}

.item-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-card__body {
  padding: 14px;
}

.item-card__cat {
  display: inline-block;
  font-size: 12px;
  background: #eee;
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 8px;
}

.item-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.item-card p {
  margin: 0 0 10px;
  color: #555;
  line-height: 1.6;
  font-size: 14px;
}

.price {
  font-weight: 700;
  color: #c00;
}

.price--large {
  font-size: 24px;
  margin: 16px 0;
}

.item-detail {
  display: grid;
  grid-template-columns: 45% 1fr;
  gap: 28px;
  background: #fff;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 3px 14px rgba(0,0,0,.06);
}

.item-detail__image {
  background: #eee;
  border-radius: 14px;
  overflow: hidden;
}

.item-detail__image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.item-detail h1 {
  margin: 10px 0;
  font-size: 28px;
}

.lead {
  color: #555;
  line-height: 1.8;
}

.description {
  line-height: 1.9;
  margin: 20px 0;
}

.btn-main {
  display: inline-block;
  border: 0;
  background: #111;
  color: #fff;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.order-item-box,
.order-no-box {
  background: #f4f4f4;
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
}

.order-form {
  display: grid;
  gap: 16px;
}

.order-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.order-form input,
.order-form textarea {
  width: 100%;
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 12px;
  font-size: 16px;
}

.confirm-list {
  display: grid;
  grid-template-columns: 160px 1fr;
  border-top: 1px solid #ddd;
}

.confirm-list dt,
.confirm-list dd {
  margin: 0;
  padding: 14px 10px;
  border-bottom: 1px solid #ddd;
}

.confirm-list dt {
  background: #f5f5f5;
  font-weight: 700;
}

.back-link {
  margin-top: 18px;
}

.site-footer {
  text-align: center;
  padding: 24px 16px;
  background: #222;
  color: #fff;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .site-header__inner {
    display: block;
  }

  .site-nav {
    margin-top: 10px;
    flex-wrap: wrap;
  }

  .hero h1 {
    font-size: 23px;
  }

  .item-grid {
    grid-template-columns: 1fr;
  }

  .item-detail {
    grid-template-columns: 1fr;
  }

  .confirm-list {
    grid-template-columns: 1fr;
  }

  .confirm-list dt {
    border-bottom: none;
  }
}

.item-order-form {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

.custom-option-box {
  display: grid;
  gap: 14px;
  background: #f7f7f7;
  border-radius: 14px;
  padding: 18px;
}

.custom-option-box h2 {
  margin: 0;
  font-size: 20px;
}

.required {
  display: inline-block;
  margin-left: 6px;
  background: #c00;
  color: #fff;
  font-size: 12px;
  border-radius: 999px;
  padding: 2px 8px;
}

.cart-section {
  max-width: 900px;
  margin: 0 auto;
}

.cart-list {
  display: grid;
  gap: 18px;
}

.cart-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}

.cart-item__image {
  background: #eee;
  border-radius: 12px;
  overflow: hidden;
}

.cart-item__image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.cart-item__body h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.cart-options {
  margin-top: 12px;
  background: #f7f7f7;
  border-radius: 12px;
  padding: 12px;
}

.cart-options h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.cart-options dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 12px;
  margin: 0;
}

.cart-options dt {
  font-weight: 700;
}

.cart-options dd {
  margin: 0;
}

.cart-delete {
  color: #c00;
  text-decoration: underline;
}

.cart-total {
  margin-top: 20px;
  text-align: right;
  font-size: 24px;
}

.cart-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .cart-item {
    grid-template-columns: 1fr;
  }

  .cart-options dl {
    grid-template-columns: 1fr;
  }

  .cart-actions {
    display: grid;
  }
}
.member-form {
  max-width: 720px;
  margin: 0 auto;
}

.error-box {
  background: #fff0f0;
  color: #b00000;
  border: 1px solid #f0b0b0;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 18px;
  font-weight: 700;
}

.mypage-section {
  max-width: 900px;
  margin: 0 auto;
}

.mypage-card {
  margin-bottom: 24px;
}

.mypage-card h2 {
  margin-top: 0;
}

.mypage-menu {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.radio-box {
  display: flex !important;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  background: #f7f7f7;
  border-radius: 12px;
  padding: 12px;
}

.radio-box input {
  width: auto;
}

.other-address-box {
  background: #f7f7f7;
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.checkout-submit {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-sub {
  background: #666;
}

.cart-total-box {
  margin-top: 24px;
  background: #f7f7f7;
  border-radius: 14px;
  padding: 18px;
}

.cart-total-box dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  margin: 0;
  font-size: 18px;
}

.cart-total-box dt {
  font-weight: 700;
}

.cart-total-box dd {
  margin: 0;
  text-align: right;
}

.cart-total-box dt:last-of-type,
.cart-total-box dd:last-of-type {
  border-top: 1px solid #ccc;
  padding-top: 12px;
  font-size: 22px;
}