/*
 * SUS304旋盤加工ページ専用スタイル
 * ファイル: page-sus304.css
 * 対象: page-templates/page-sus304.php
 *
 * 共通コンポーネント（3Dヒーロー、セクションヘッダー、パンくず等）は
 * components.css で定義済み。このファイルにはページ固有の差分のみ記述。
 */

/* ページベース */
.sus304-page {
    background: var(--color-neutral-50);
}

/* ==========================================================================
   ヒーロー差分
   ========================================================================== */

/* ヒーロー背景画像 */
.sus304-page .hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/sus304/sus304-hero.webp') center/cover no-repeat;
    opacity: 0.15;
}

/* ヒーローバッジ */
.sus304-page .hero-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.sus304-page .hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 3px;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    background: rgba(255, 255, 255, 0.1);
    letter-spacing: 0.03em;
    position: relative;
    overflow: visible;
}

.sus304-page .hero-badge::before {
    display: none;
}

.sus304-page .hero-text-content {
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   セクション1: SUS304とは
   ========================================================================== */
.sus304-about-section {
    padding: 100px 0 80px;
    background: white;
}

.sus304-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.sus304-about-text p {
    color: var(--color-neutral-600);
    line-height: 1.9;
    font-size: 15px;
    margin-bottom: 20px;
}

.sus304-about-text p:last-child {
    margin-bottom: 0;
}

.sus304-about-image {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sus304-about-image img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
}

/* 化学成分表・機械的性質表 */
.sus304-data-tables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 60px;
}

.sus304-table-block {
    background: var(--color-neutral-50);
    border-radius: 6px;
    padding: 28px;
}

.sus304-table-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 3px solid var(--color-secondary);
}

.sus304-table-wrap {
    overflow-x: auto;
    border-radius: 4px;
}

.sus304-data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 14px;
}

.sus304-data-table thead th {
    background: var(--color-primary-dark);
    color: white;
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 13px;
    border: none;
    white-space: nowrap;
}

.sus304-data-table thead th:first-child {
    border-top-left-radius: 4px;
}

.sus304-data-table thead th:last-child {
    border-top-right-radius: 4px;
}

.sus304-data-table tbody td {
    padding: 12px 16px;
    text-align: center;
    border: none;
    border-bottom: 1px solid var(--color-neutral-100);
    color: var(--color-neutral-700, #334155);
    font-size: 13px;
    white-space: nowrap;
}

.sus304-table-note {
    font-size: 12px;
    color: var(--color-neutral-500, #64748b);
    margin-top: 8px;
    text-align: right;
}

/* 主な用途 */
.sus304-usage {
    text-align: center;
}

.sus304-usage-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.sus304-usage-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.sus304-usage-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 12px;
    background: var(--color-neutral-50);
    border-radius: 4px;
    transition: box-shadow 0.3s ease;
}

.sus304-usage-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sus304-usage-item i {
    font-size: 24px;
    color: var(--color-primary);
}

.sus304-usage-item span {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-neutral-700, #334155);
}

/* ==========================================================================
   セクション2: SUS304旋盤加工のポイント（ダークブルー背景）
   ========================================================================== */
.sus304-points-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #2a6cb7 100%);
}

.sus304-points-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 60px;
}

.sus304-points-intro-image {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sus304-points-intro-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
}

.sus304-points-intro-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    line-height: 2;
}

.sus304-points-intro-text strong {
    color: var(--color-secondary-light, #ff6b5a);
}

.sus304-points-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.sus304-point-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    padding: 36px 28px 28px;
    transition: background 0.3s ease;
}

.sus304-point-card:hover {
    background: rgba(255, 255, 255, 0.14);
}

.sus304-point-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.sus304-point-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
    line-height: 1.4;
}

.sus304-point-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.sus304-point-specs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sus304-point-specs span {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid rgba(231, 76, 60, 0.4);
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   セクション3: 石高精工のSUS304対応力
   ========================================================================== */
.sus304-capability-section {
    padding: 100px 0;
    background: white;
}

/* 最大の強みバナー */
.sus304-strength-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 60px;
    padding: 48px;
    background: var(--color-neutral-50);
    border-radius: 6px;
    border-left: 4px solid var(--color-secondary);
}

.sus304-strength-text h3 {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.5;
    margin-bottom: 20px;
}

.sus304-strength-text p {
    color: var(--color-neutral-600);
    font-size: 15px;
    line-height: 1.9;
}

.sus304-strength-text strong {
    color: var(--color-secondary);
}

.sus304-strength-image {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sus304-strength-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
}

/* スペックカード */
.sus304-spec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.sus304-spec-card {
    background: var(--color-neutral-50);
    border-radius: 6px;
    padding: 36px 24px;
    text-align: center;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.sus304-spec-card:hover {
    border-color: var(--color-primary);
}

.sus304-spec-value {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: 12px;
}

.sus304-spec-unit {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-neutral-500, #64748b);
}

.sus304-spec-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-neutral-600);
    letter-spacing: 0.03em;
}

/* 対応力詳細カード */
.sus304-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.sus304-detail-card {
    background: var(--color-neutral-50);
    border-radius: 6px;
    padding: 32px;
    border-bottom: 3px solid transparent;
    transition: border-color 0.3s ease;
}

.sus304-detail-card:hover {
    border-bottom-color: var(--color-secondary);
}

.sus304-detail-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.sus304-detail-card p {
    font-size: 14px;
    color: var(--color-neutral-600);
    line-height: 1.8;
    margin: 0;
}

/* 設備写真 */
.sus304-equipment-image {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sus304-equipment-image img {
    width: 100%;
    height: auto;
    display: block;
}

.sus304-equipment-caption {
    padding: 16px 24px;
    background: var(--color-neutral-50);
    font-size: 14px;
    color: var(--color-neutral-600);
    text-align: center;
    margin: 0;
}

/* ==========================================================================
   セクション4: SUS304の加工実績（ダークブルー背景）
   ========================================================================== */
.sus304-works-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.sus304-works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.sus304-work-card {
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    transition: box-shadow 0.3s ease;
    display: block;
}

.sus304-work-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.sus304-work-card__image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.sus304-work-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.sus304-work-card:hover .sus304-work-card__image img {
    transform: none;
}

.sus304-work-card__body {
    padding: 20px;
}

.sus304-work-card__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.sus304-work-card__meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sus304-work-card__tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-neutral-50);
    border-radius: 3px;
    font-size: 12px;
    color: var(--color-neutral-600);
    font-weight: 500;
}

.sus304-works-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 20px;
    font-size: 15px;
}

.sus304-works-empty a {
    color: white;
    font-weight: 600;
    text-decoration: underline;
}

.sus304-works-more {
    text-align: center;
}

.sus304-works-more .btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: white;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border-radius: 6px;
    border: 2px solid white;
    transition: all 0.3s ease;
}

.sus304-works-more .btn-more:hover {
    background: transparent;
    color: white;
}

/* ==========================================================================
   関連ページ
   ========================================================================== */
.sus304-related-section {
    padding: 100px 0;
    background: var(--color-neutral-50);
}

.sus304-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.sus304-related-card {
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    transition: box-shadow 0.3s ease;
    display: block;
    border: 1px solid var(--color-neutral-100);
}

.sus304-related-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.sus304-related-card__image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.sus304-related-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.sus304-related-card:hover .sus304-related-card__image img {
    transform: none;
}

.sus304-related-card__body {
    padding: 24px;
}

.sus304-related-card__en {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.sus304-related-card__body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.sus304-related-card__body p {
    font-size: 13px;
    color: var(--color-neutral-600);
    margin: 0;
    line-height: 1.6;
}

/* ==========================================================================
   レスポンシブデザイン
   ========================================================================== */
@media (max-width: 768px) {
    /* ヒーロー */
    .sus304-page .hero-text-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: clamp(260px, 82%, 480px);
        text-align: center;
        padding: 24px 20px;
        background: linear-gradient(180deg, rgba(5, 17, 36, 0.88) 0%, rgba(5, 17, 36, 0.72) 100%);
        border-radius: 8px;
        border: 1px solid rgba(231, 244, 255, 0.15);
        box-shadow: 0 18px 36px rgba(5, 17, 36, 0.45);
        z-index: 3;
    }

    .sus304-page .hero-badges {
        justify-content: center;
    }

    /* SUS304とは */
    .sus304-about-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sus304-about-image img {
        height: 250px;
    }

    .sus304-data-tables {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sus304-data-table {
        min-width: 400px;
    }

    .sus304-usage-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    /* 加工のポイント */
    .sus304-points-intro {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .sus304-points-intro-image img {
        height: 220px;
    }

    .sus304-points-grid {
        grid-template-columns: 1fr;
    }

    /* 対応力 */
    .sus304-strength-banner {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 28px;
    }

    .sus304-strength-image img {
        height: 240px;
    }

    .sus304-spec-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .sus304-detail-grid {
        grid-template-columns: 1fr;
    }

    /* 加工実績 */
    .sus304-works-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    /* 関連ページ */
    .sus304-related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .sus304-usage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sus304-spec-grid {
        grid-template-columns: 1fr;
    }

    .sus304-spec-value {
        font-size: 1.8rem;
    }

    .sus304-works-grid {
        grid-template-columns: 1fr;
    }
}