/* ============================
   Tシャツページ専用CSS
   ============================ */

/* ページ全体 */
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f3f4f6; /* 明るいグレー */
    color: #111827;
}

/* ヘッダーの高さを考慮して余白を確保 */
.tshirt-wrapper {
    max-width: 1040px;
    margin: 96px auto 80px;
    padding: 24px 20px 40px;
    box-sizing: border-box;
    background: #ffffff;
    border-radius: 24px;
    box-shadow:
        0 18px 45px rgba(15, 23, 42, 0.10),
        0 0 0 1px rgba(148, 163, 184, 0.25);
}

/* ヒーローエリア */
.tshirt-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    margin-bottom: 32px;
}

.tshirt-hero-image img {
    width: 100%;
    height: auto;
    border-radius: 18px;
    object-fit: cover;
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.22);
}

.tshirt-hero-text h1 {
    margin: 0 0 10px;
    font-size: clamp(1.9rem, 2.6vw, 2.4rem);
    letter-spacing: 0.03em;
}

.tshirt-hero-lead {
    margin: 0;
    line-height: 1.8;
    color: #4b5563;
}

/* 共通セクション */
.tshirt-section {
    margin-top: 32px;
}

.tshirt-section h2 {
    margin-bottom: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    position: relative;
    padding-left: 12px;
    color: #111827;
}

.tshirt-section h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 60%;
    transform: translateY(-50%);
    border-radius: 999px;
    background: #9ca3af; /* グレー系アクセント */
}

.tshirt-section p {
    margin-bottom: 10px;
    line-height: 1.9;
    color: #4b5563;
}

/* 特徴リスト */
.tshirt-feature-list {
    margin: 8px 0 0;
    padding-left: 1.2rem;
    color: #374151;
}

.tshirt-feature-list li {
    margin-bottom: 4px;
    line-height: 1.8;
}

/* ショップギャラリー */
.shop-gallery {
    margin-top: 40px;
}

.shop-note {
    font-size: 0.95rem;
    color: #6b7280;
}

.shop-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.shop-item {
    text-align: center;
}

.shop-item img {
    width: 100%;
    border-radius: 14px;
    object-fit: cover;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.shop-item img:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.20);
}

.shop-item p {
    margin-top: 6px;
    font-weight: 600;
    color: #374151;
}

/* SNSボタン */
.sns-section {
    margin-top: 40px;
}

.sns-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.sns-btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid #d1d5db;
    color: #111827;
    background: #f9fafb;
    transition: 0.2s ease;
}

.sns-btn:hover {
    background: #e5e7eb;
    transform: translateY(-1px);
}

/* SNSごとの軽い色分け（控えめグレー系） */
.sns-note {
    border-color: #a3a3a3;
}

.sns-insta {
    border-color: #9ca3af;
}

.sns-x {
    border-color: #6b7280;
}

/* レスポンシブ */
@media (max-width: 900px) {
    .tshirt-hero {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 700px) {
    .tshirt-wrapper {
        margin: 80px 12px 60px;
        padding: 20px 16px 32px;
        border-radius: 18px;
    }

    .shop-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .shop-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}