:root {
    --ink:    #1a1612;
    --ink2:   #2a2420;
    --ink3:   #3a3430;
    --paper:  #f5f0e8;
    --paper2: #ede8de;
    --paper3: #e0d9cc;
    --steel:  #8a9ba8;
    --steel2: #6a8090;
    --accent: #8b1a1a;
    --accent2:#a82020;
    --gold:   #c8a84b;
    --text:   #2a2420;
    --dim:    #6a6058;
    --border: rgba(26,22,18,0.15);
    --border2:rgba(26,22,18,0.08);
    --font-mincho: 'Shippori Mincho', 'Hiragino Mincho ProN', serif;
    --font-zen:    'Zen Antique', serif;
    --font-sans:   'Noto Sans JP', sans-serif;
    --transition: 0.4s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    background: var(--paper);
    color: var(--text);
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.8;
    /* 和紙テクスチャ風ノイズ */
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

/* ===== ヘッダー ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(26,22,18,0.96);
    border-bottom: 1px solid rgba(200,168,75,0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 64px;
}
.site-logo {
    font-family: var(--font-mincho);
    font-size: 18px;
    font-weight: 700;
    color: var(--paper);
    text-decoration: none;
    letter-spacing: 4px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.site-logo .logo-sub {
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--gold);
    font-weight: 400;
    font-family: var(--font-sans);
    border-left: 1px solid rgba(200,168,75,0.3);
    padding-left: 12px;
}
.site-nav { display: flex; gap: 32px; }
.site-nav a {
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(245,240,232,0.6);
    text-decoration: none;
    font-family: var(--font-mincho);
    transition: color var(--transition);
}
.site-nav a:hover { color: var(--gold); }

/* ===== ヒーロー ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--ink);
    padding-top: 64px;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 30% 50%, rgba(138,27,27,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 80% 60%, rgba(138,155,168,0.06) 0%, transparent 60%),
        linear-gradient(160deg, #1a1612 0%, #0e0c0a 60%, #1a1410 100%);
}
/* 細かい水平線 — 砥石の条目イメージ */
.hero-lines {
    position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(200,168,75,0.015) 3px,
        rgba(200,168,75,0.015) 4px
    );
}
/* 右側に縦書きの大きな文字 */
.hero-kanji {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-zen);
    font-size: clamp(120px, 18vw, 260px);
    color: rgba(200,168,75,0.06);
    writing-mode: vertical-rl;
    line-height: 1;
    letter-spacing: 0.1em;
    pointer-events: none;
    user-select: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
    max-width: 800px;
}
.hero-label {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 6px;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.3s forwards;
}
.hero-label::before, .hero-label::after {
    content: '';
    display: block;
    width: 48px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold));
}
.hero-label::after { transform: scaleX(-1); }

.hero-title {
    font-family: var(--font-mincho);
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 800;
    color: var(--paper);
    line-height: 1.1;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
    opacity: 0;
    animation: fadeUp 0.9s ease 0.5s forwards;
}
.hero-title .accent { color: var(--gold); }

.hero-title-en {
    font-family: var(--font-sans);
    font-size: clamp(11px, 1.2vw, 14px);
    letter-spacing: 8px;
    color: rgba(245,240,232,0.3);
    text-transform: uppercase;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.7s forwards;
}
.hero-copy {
    font-family: var(--font-mincho);
    font-size: clamp(16px, 2vw, 22px);
    color: rgba(245,240,232,0.75);
    letter-spacing: 0.2em;
    line-height: 2.2;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.9s forwards;
}
.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.7s ease 1.1s forwards;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--paper);
    padding: 14px 32px;
    font-family: var(--font-mincho);
    font-size: 14px;
    letter-spacing: 3px;
    text-decoration: none;
    transition: all var(--transition);
    border: 1px solid var(--accent);
}
.btn-primary:hover { background: var(--accent2); box-shadow: 0 0 24px rgba(139,26,26,0.4); }
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--paper);
    padding: 14px 32px;
    font-family: var(--font-mincho);
    font-size: 14px;
    letter-spacing: 3px;
    text-decoration: none;
    border: 1px solid rgba(245,240,232,0.3);
    transition: all var(--transition);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* スクロールヒント */
.scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 9px;
    letter-spacing: 4px;
    color: rgba(200,168,75,0.4);
    font-family: var(--font-sans);
    animation: scrollPulse 2.5s infinite;
}
.scroll-hint::after {
    content: '';
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(200,168,75,0.4), transparent);
}
@keyframes scrollPulse {
    0%,100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
    50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

/* ===== セクション共通 ===== */
section { padding: 100px 0; }
.section-inner { max-width: 1100px; margin: 0 auto; padding: 0 40px; }
.section-label {
    font-family: var(--font-sans);
    font-size: 9px;
    letter-spacing: 5px;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
    max-width: 200px;
}
.section-title {
    font-family: var(--font-mincho);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.15em;
    margin-bottom: 48px;
    line-height: 1.3;
}
.section-title .accent { color: var(--accent); }
.bg-dark { background: var(--ink); }
.bg-dark .section-title { color: var(--paper); }
.bg-mid { background: var(--paper2); }

/* ===== キャッチコピーバナー ===== */
.catch-band {
    background: var(--ink2);
    border-top: 1px solid rgba(200,168,75,0.2);
    border-bottom: 1px solid rgba(200,168,75,0.2);
    padding: 48px 40px;
    text-align: center;
}
.catch-band p {
    font-family: var(--font-mincho);
    font-size: clamp(16px, 2.5vw, 26px);
    color: var(--paper);
    letter-spacing: 0.3em;
    line-height: 2.2;
}
.catch-band .catch-accent {
    color: var(--gold);
    font-size: 1.2em;
}

/* ===== 特徴カード ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2px;
    background: var(--border);
}
.feature-card {
    background: var(--paper);
    padding: 40px 32px;
    transition: background var(--transition);
}
.feature-card:hover { background: var(--paper2); }
.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
}
.feature-title {
    font-family: var(--font-mincho);
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    letter-spacing: 0.1em;
}
.feature-desc {
    font-size: 13px;
    color: var(--dim);
    line-height: 2;
}

/* ===== 料金表 ===== */
.price-section { background: var(--ink); }
.price-note {
    background: rgba(200,168,75,0.08);
    border: 1px solid rgba(200,168,75,0.2);
    border-left: 3px solid var(--gold);
    padding: 16px 20px;
    font-size: 13px;
    color: rgba(245,240,232,0.6);
    line-height: 1.9;
    margin-bottom: 40px;
    font-family: var(--font-mincho);
}
.price-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2px;
    background: rgba(200,168,75,0.08);
    margin-bottom: 32px;
}
.price-cat {
    background: var(--ink2);
    padding: 0;
    overflow: hidden;
}
.price-cat-head {
    background: rgba(200,168,75,0.1);
    border-bottom: 1px solid rgba(200,168,75,0.15);
    padding: 16px 24px;
    font-family: var(--font-mincho);
    font-size: 16px;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.price-cat-head .cat-icon { font-size: 20px; }
.price-rows { padding: 8px 0; }
.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    border-bottom: 1px solid rgba(245,240,232,0.04);
    transition: background var(--transition);
}
.price-row:last-child { border-bottom: none; }
.price-row:hover { background: rgba(200,168,75,0.04); }
.price-row-info { display: flex; flex-direction: column; gap: 2px; }
.price-row-name {
    font-family: var(--font-mincho);
    font-size: 14px;
    color: rgba(245,240,232,0.85);
    letter-spacing: 1px;
}
.price-row-size {
    font-size: 11px;
    color: rgba(245,240,232,0.35);
    letter-spacing: 1px;
    font-family: var(--font-sans);
}
.price-row-amount {
    font-family: var(--font-mincho);
    font-size: 18px;
    color: var(--gold);
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 1px;
}
.price-row-amount span {
    font-size: 11px;
    color: rgba(200,168,75,0.6);
    font-weight: 400;
}
.price-extra {
    background: rgba(139,26,26,0.12);
    border: 1px solid rgba(139,26,26,0.25);
    padding: 14px 20px;
    font-size: 13px;
    color: rgba(245,240,232,0.55);
    line-height: 1.9;
    font-family: var(--font-mincho);
    letter-spacing: 1px;
}

/* ===== フロー ===== */
.flow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0;
    position: relative;
}
.flow-step {
    padding: 36px 28px;
    border-right: 1px solid var(--border);
    position: relative;
}
.flow-step:last-child { border-right: none; }
.flow-num {
    font-family: var(--font-mincho);
    font-size: 48px;
    color: rgba(139,26,26,0.15);
    line-height: 1;
    margin-bottom: 12px;
    font-weight: 800;
}
.flow-title {
    font-family: var(--font-mincho);
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.flow-desc { font-size: 13px; color: var(--dim); line-height: 1.9; }

/* ===== アクセス ===== */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: var(--border);
}
.info-block {
    background: var(--paper);
    padding: 48px 40px;
}
.info-block-title {
    font-family: var(--font-sans);
    font-size: 9px;
    letter-spacing: 4px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 24px;
}
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid var(--border2); }
.info-table tr:last-child { border-bottom: none; }
.info-table th {
    font-family: var(--font-mincho);
    font-size: 12px;
    color: var(--dim);
    padding: 12px 0;
    text-align: left;
    width: 90px;
    letter-spacing: 1px;
    font-weight: 400;
    vertical-align: top;
}
.info-table td {
    font-size: 14px;
    color: var(--text);
    padding: 12px 0;
    line-height: 1.8;
}
.info-table td a { color: var(--accent); text-decoration: none; }
.info-table td a:hover { text-decoration: underline; }

/* ===== 注意書き ===== */
.alert-box {
    background: rgba(139,26,26,0.06);
    border: 1px solid rgba(139,26,26,0.2);
    border-left: 3px solid var(--accent);
    padding: 16px 20px;
    font-size: 13px;
    color: var(--dim);
    line-height: 2;
    font-family: var(--font-mincho);
    letter-spacing: 1px;
    margin-top: 24px;
}

/* ===== フッター ===== */
footer {
    background: var(--ink);
    border-top: 1px solid rgba(200,168,75,0.15);
    padding: 60px 40px 32px;
    text-align: center;
}
.footer-logo {
    font-family: var(--font-mincho);
    font-size: 22px;
    font-weight: 700;
    color: var(--paper);
    letter-spacing: 6px;
    margin-bottom: 8px;
}
.footer-logo span { color: var(--gold); }
.footer-tagline {
    font-family: var(--font-mincho);
    font-size: 12px;
    color: rgba(245,240,232,0.35);
    letter-spacing: 4px;
    margin-bottom: 32px;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.footer-links a {
    font-size: 12px;
    color: rgba(245,240,232,0.4);
    text-decoration: none;
    letter-spacing: 2px;
    font-family: var(--font-mincho);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--gold); }
.footer-studio-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: rgba(245,240,232,0.25);
    text-decoration: none;
    letter-spacing: 2px;
    font-family: var(--font-sans);
    border: 1px solid rgba(245,240,232,0.1);
    padding: 8px 20px;
    margin-bottom: 40px;
    transition: all var(--transition);
}
.footer-studio-link:hover { border-color: rgba(57,197,187,0.3); color: rgba(57,197,187,0.6); }
.footer-copy {
    font-size: 11px;
    color: rgba(245,240,232,0.2);
    letter-spacing: 2px;
    font-family: var(--font-sans);
}

/* ===== アニメーション ===== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
    .site-header { padding: 0 20px; }
    .site-nav { display: none; }
    .section-inner { padding: 0 20px; }
    section { padding: 60px 0; }
    .info-grid { grid-template-columns: 1fr; }
    .info-block { padding: 32px 24px; }
    .flow-grid { grid-template-columns: 1fr 1fr; }
    .flow-step { border-right: none; border-bottom: 1px solid var(--border); }
    .hero-kanji { display: none; }
    footer { padding: 48px 20px 24px; }
    .footer-links { gap: 20px; }
}