/* ==============================================
   purearoma.net ブログ共通CSS
   メインサイトのデザインと完全統一
============================================== */
:root {
    --white:      #FDFAF7;
    --cream:      #F8F3EC;
    --cream2:     #F0E8DC;
    --cream3:     #E4D8C8;
    --surface:    #FFFFFF;
    --pink:       #C4547A;
    --pink2:      #D8708C;
    --pink3:      #E898B0;
    --pink-light: #FBF0F4;
    --pink-pale:  #FFF5F8;
    --gold:       #B8902A;
    --gold2:      #D4AF5A;
    --gold3:      #EDD080;
    --gold-light: #FDF8EE;
    --ink:        #2A1F1A;
    --ink2:       #5A4A40;
    --ink3:       #9A8878;
    --border:     rgba(184,144,42,0.22);
    --border2:    rgba(196,84,122,0.18);
    --shadow-sm:  rgba(42,31,26,0.05);
    --shadow-md:  rgba(42,31,26,0.10);
}

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=Noto+Sans+JP:wght@300;400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
    background: var(--cream);
    color: var(--ink);
    line-height: 1.8;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background-color: var(--cream);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cg fill='%23C4547A' fill-opacity='0.03'%3E%3Ccircle cx='15' cy='15' r='2'/%3E%3Ccircle cx='85' cy='15' r='2'/%3E%3Ccircle cx='15' cy='85' r='2'/%3E%3Ccircle cx='85' cy='85' r='2'/%3E%3Ccircle cx='50' cy='50' r='2.5'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 100px 100px;
}

a { color: var(--pink); text-decoration: none; }
a:hover { color: var(--gold); }

.container { max-width: 720px; margin: 0 auto; padding: 0 18px; }

/* ヘッダー */
header {
    background: rgba(253,250,247,0.97);
    backdrop-filter: blur(20px);
    padding: 15px 20px 13px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px var(--shadow-sm);
}
header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold2), var(--pink2), var(--gold3), var(--pink2), var(--gold2), transparent);
}
.header-logo {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--pink);
    letter-spacing: 3px;
    margin-bottom: 10px;
    display: block;
}
.header-logo span {
    display: block;
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.58rem;
    color: var(--gold);
    font-weight: 300;
    letter-spacing: 5px;
    margin-top: 2px;
}
nav.sitemap {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}
nav.sitemap a {
    color: var(--ink3);
    font-size: 0.7rem;
    letter-spacing: 2px;
    transition: color 0.3s;
}
nav.sitemap a:hover { color: var(--pink); }
@media (max-width: 480px) { nav.sitemap { gap: 8px; } }

/* パンくず */
.breadcrumb {
    max-width: 720px;
    margin: 12px auto 0;
    padding: 0 18px;
    font-size: 0.7rem;
    color: var(--ink3);
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink3); }
.breadcrumb a:hover { color: var(--pink); }

/* 記事ラッパー */
.article-wrap { padding: 36px 0 100px; }

/* 記事ヘッダー */
.article-header {
    margin-bottom: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}
.cat-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 14px; }
.cat-tag {
    background: linear-gradient(135deg, var(--pink-light), #fff);
    border: 1px solid var(--border2);
    color: var(--pink);
    font-size: 0.66rem;
    letter-spacing: 2px;
    padding: 3px 10px;
    border-radius: 100px;
}
.article-title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.3rem, 3.5vw, 1.9rem);
    font-weight: 600;
    color: var(--ink);
    line-height: 1.45;
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}
.article-meta { font-size: 0.7rem; color: var(--ink3); letter-spacing: 1px; }

/* 本文 */
.article-body { font-size: 0.93rem; color: var(--ink2); line-height: 2; }
.article-body h2 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.15rem;
    color: var(--ink);
    margin: 52px 0 16px;
    padding: 14px 18px;
    background: linear-gradient(135deg, var(--gold-light), #fff);
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold2);
    border-radius: 0 6px 6px 0;
    letter-spacing: 0.06em;
}
.article-body h3 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    color: var(--pink);
    margin: 36px 0 12px;
    letter-spacing: 0.04em;
}
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 14px 0 22px; padding-left: 0; list-style: none; }
.article-body li {
    padding: 8px 0 8px 22px;
    border-bottom: 1px dashed rgba(184,144,42,0.2);
    position: relative;
    font-size: 0.9rem;
}
.article-body li::before { content: "✦"; position: absolute; left: 0; color: var(--gold2); font-size: 0.7rem; top: 11px; }

/* ハイライトボックス */
.highlight-box {
    background: linear-gradient(145deg, #fff, var(--pink-pale));
    border: 1px solid var(--border2);
    border-left: 3px solid var(--pink2);
    padding: 20px 24px;
    margin: 28px 0;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 12px rgba(196,84,122,0.05);
}
.highlight-box.gold-box {
    background: linear-gradient(145deg, #fff, var(--gold-light));
    border-left-color: var(--gold2);
}
.highlight-box .box-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.72rem;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
}
.highlight-box p { margin: 0; font-size: 0.88rem; color: var(--ink2); line-height: 1.9; }

/* テーブル */
.data-table { width: 100%; border-collapse: collapse; margin: 22px 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.data-table th {
    background: linear-gradient(90deg, var(--pink-light), #fff);
    color: var(--ink2);
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-family: 'Shippori Mincho', serif;
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(184,144,42,0.1);
    font-size: 0.87rem;
    color: var(--ink2);
    vertical-align: top;
    background: var(--surface);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--gold-light); }

/* CTAブロック */
.cta-block {
    background: linear-gradient(145deg, #fff, var(--cream));
    border: 1px solid var(--border);
    border-top: 3px solid var(--pink);
    padding: 32px 26px;
    text-align: center;
    margin: 52px 0;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 20px var(--shadow-md);
}
.cta-block h3 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    color: var(--ink);
    margin-bottom: 8px;
    font-weight: 600;
}
.cta-block p { font-size: 0.82rem; color: var(--ink3); margin-bottom: 20px; line-height: 1.9; }
.btn-line {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--pink), var(--pink2));
    color: #fff;
    font-size: 0.86rem;
    letter-spacing: 2px;
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 500;
    transition: 0.3s;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(196,84,122,0.38);
}
.btn-line:hover { transform: translateY(-2px); box-shadow: 0 7px 26px rgba(196,84,122,0.5); color: #fff; }

/* ステップボックス */
.step-list { display: flex; flex-direction: column; gap: 2px; margin: 22px 0; }
.step-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 16px 20px;
    position: relative;
}
.step-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    color: var(--pink3);
    font-weight: 300;
    line-height: 1;
    min-width: 32px;
}
.step-content h4 { font-size: 0.9rem; color: var(--ink); font-weight: 500; margin-bottom: 4px; font-family: 'Shippori Mincho', serif; }
.step-content p { font-size: 0.83rem; color: var(--ink3); margin: 0; line-height: 1.7; }

/* 関連記事 */
.related-posts { margin-top: 52px; padding-top: 36px; border-top: 1px solid var(--border); }
.related-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--gold);
    margin-bottom: 16px;
    text-transform: uppercase;
    text-align: center;
}
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 500px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 2px solid var(--gold3);
    padding: 16px;
    display: block;
    transition: 0.3s;
    border-radius: 0 0 6px 6px;
}
.related-card:hover { border-top-color: var(--pink); transform: translateY(-2px); box-shadow: 0 4px 14px var(--shadow-sm); }
.related-card .rc-cat { font-size: 0.63rem; letter-spacing: 2px; color: var(--gold); margin-bottom: 5px; }
.related-card .rc-title { font-size: 0.83rem; color: var(--ink2); line-height: 1.5; font-family: 'Shippori Mincho', serif; }

/* フッター */
footer { border-top: 1px solid var(--border); padding: 36px 20px; text-align: center; background: var(--surface); }
.footer-logo { font-family: 'Shippori Mincho', serif; letter-spacing: 4px; color: var(--pink); font-size: 1rem; margin-bottom: 14px; }
.footer-links { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 14px; }
.footer-links a { color: var(--ink3); font-size: 0.7rem; letter-spacing: 1px; transition: color 0.3s; }
.footer-links a:hover { color: var(--pink); }
.footer-copy { font-size: 0.66rem; color: var(--ink3); opacity: 0.5; }

/* スマホ固定CTA */
.sticky-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: rgba(253,250,247,0.97); backdrop-filter: blur(20px); border-top: 1px solid var(--border); padding: 11px 16px calc(11px + env(safe-area-inset-bottom)); z-index: 200; box-shadow: 0 -4px 24px var(--shadow-md); }
.sticky-cta::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--pink2), var(--gold2), var(--pink2), transparent); }
.sticky-cta a { display: block; text-align: center; background: linear-gradient(135deg, var(--pink), var(--pink2)); color: #fff; font-weight: 500; font-size: 0.87rem; letter-spacing: 2px; padding: 14px; border-radius: 100px; text-decoration: none; box-shadow: 0 4px 16px rgba(196,84,122,0.4); }
@media (max-width: 768px) { .sticky-cta { display: block; } body { padding-bottom: 72px; } }