.matter-item-accordion__header p,
.matter-item-accordion__content p {
    margin: 0;
}

.matter-item-accordion__header {
    display: flex;
    gap: 2rem;
    padding: 1rem;
}

@media (max-width: 768px) {
    .matter-item-accordion__header {
        flex-direction: column;
        gap: 1rem;
    }
}

.matter-item-accordion__content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.matter-item-accordion__header-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.matter-item-accordion__header-center {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.matter-item-accordion__header-right {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.matter-item-accordion__number {
    background-color: #605353;
    padding: 0.8rem 1.6rem;
    border-radius: 20px;
    color: #fff;
}

@media (max-width: 768px) {
    .matter-item-accordion__number {
        font-size: 1.2rem;
        padding: 0.4rem 0.8rem;
    }
}

.matter-item-accordion__options {
    display: flex;
    gap: 1rem;
}

.matter-item-accordion__options > span {
    padding: 1rem;
    border-radius: 5px;
    color: #fff;
    background-color: #97cce2;
}

.matter-item-accordion__genres {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

@media (max-width: 768px) {
    .matter-item-accordion__genres {
        flex-wrap: wrap;
    }
}

.matter-item-accordion__genres > span {
    padding: 1rem;
    border-radius: 5px;
    color: #716e6e;
    background-color: #f5f5f5;
    font-weight: 600;
}

@media (max-width: 768px) {
    .matter-item-accordion__genres > span {
        font-size: 1.2rem;
        padding: 0.4rem 0.8rem;
    }
}

.matter-item-accordion__type {
    padding: 0.8rem 1.6rem;
    border-radius: 5px;
    color: #fff;
    background-color: #716e6e;
}

.matter-item-accordion__quantities {
    display: flex;
    gap: 1rem;
}

.matter-item-accordion__total-quantity {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 1.6rem;
    border-radius: 5px;
    color: #716e6e;
    background-color: #fff;
    border: 1px solid #716e6e;
}

.matter-item-accordion__picture {
    width: 100%;
    margin-top: 10px;
    max-width: 600px
}

.file-container {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 10rem;
    padding: 1rem;
    border-radius: 1rem;
    cursor: pointer;
    border: 1px solid #e5e5e5;
    transition: background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.file-container:hover {
    background-color: #f5f5f5;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.file-icon {
    width: 3rem;
    height: 3rem;
    background-size: cover;
    background-position: center;
}

.file-name {
    margin-top: 0.5rem;
    font-size: 1.25rem;
    color: #a1a1a1;
    text-align: center;
}

.matter-item-accordion__sub-quantity {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: 5px;
    color: #716e6e;
    background-color: #fff;
    border: 1px dashed #716e6e;
}

.matter-item-accordion__detail {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    background-color: #f5f5f5;
    border: 1px solid #b5abab;
    border-radius: 5px;
    padding: 1.5rem;
}

.matter-item-accordion__detail > span {
    background-color: #605353;
    padding: 0.8rem 1.6rem;
    border-radius: 20px;
    color: #fff;
}

.quantity-per-design {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background-color: #D9D9D9;
    border-radius: 1rem;
    margin-top: 0.8rem;
}

.pattern-delivery {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background-color: #D9D9D9;
    border-radius: 1rem;
    margin-top: 0.8rem;
}

.pattern-delivery > span {
    display: inline-block;
    font-size: 1.3rem;
    color: #605353;
    font-weight: 600;
    padding: 1rem;
}

.quantity-per-design span:first-child {
    display: inline-block;
    font-size: 1.3rem;
    color: #605353;
    font-weight: 600;
    padding: 1rem;
}

.quantity-per-design span:last-child {
    display: inline-block;
    background-color: #FBFBF3;
    font-size: 1.3rem;
    color: #605353;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 1rem;
}

.quantity-breakdown {
    padding: 0.5rem;
    background-color: #D9D9D9;
    border-radius: 1rem;
    margin-top: 0.8rem;
}

.quantity-breakdown > span {
    display: inline-block;
    font-size: 1.3rem;
    color: #605353;
    font-weight: 600;
    padding: 1rem;
}

.quantity-breakdown > table {
    color: #ffffff;
    background-color: #757575;
    border-radius: 1rem;
    border-collapse: separate;
}

.quantity-breakdown > table > thead,
.quantity-breakdown > table > tbody {
    border-radius: 1rem;
}

.quantity-breakdown > table > thead > tr:first-child > th:first-child {
    border-top-left-radius: 1rem;
}

.quantity-breakdown > table > thead > tr:first-child > th:last-child {
    border-top-right-radius: 1rem;
}

.quantity-breakdown > table > tbody > tr:last-child > td:first-child {
    border-bottom-left-radius: 1rem;
}

.quantity-breakdown > table > tbody > tr:last-child > td:last-child {
    border-bottom-right-radius: 1rem;
}

.quantity-breakdown > table > thead > tr > th {
    border: 1px solid #ffffff;
    padding: 1rem;
    min-width: 5rem;
    text-align: center;
}

.quantity-breakdown > table > tbody > tr > td {
    border: 1px solid #ffffff;
    padding: 1rem;
    min-width: 5rem;
    text-align: center;
}

.matter-picture > h3 {
    font-size: 1.5rem;
    color: #605353;
    font-weight: 600;
    margin-bottom: 1rem;
}

.matter-picture-2 {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.matter-picture-2 > img {
    width: 100%;
    max-width: 400px;
    margin-top: 10px;
}

.matter-material {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 768px) {
    .matter-material {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}

.matter-material-2 > h3 {
    font-size: 1.3rem;
    color: #605353;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 1px dashed #cccccb;
    padding-bottom: 0.5rem;
}

.matter-footer {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.matter-sample, .matter-size, .matter-cosplay, .matter-doll, .matter-custom, .matter-curtain {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: #fff;
    padding: 2rem;
    border-radius: 1rem;
}

.matter-pattern, .matter-product {
    display: grid;
    align-items: start;
    gap: 2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 768px) {
    .matter-pattern, .matter-product {
        width: 100%;
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}

.matter-pattern-2, .matter-product-2 {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: #F5F6CE;
    border-radius: 1rem;
    padding: 1rem;
}

.matter-pattern-2 > p > span {
    color: #C6363E;
}

/* ─── SP(≤600px) 用レイアウト調整 ───────────────── */
@media screen and (max-width: 600px) {
  /* 納品物ラッパー：フレックスは維持しつつ縦積み */
  .product-columns {
    flex-direction: column;
  }

  /* 各セクションを幅いっぱいに・余白は gap に任せる */
  .product-columns > .matter-item-accordion__detail {
    flex: 1 1 100%;
  }
}