/* ==========================================================================
   美容の教科書 - Aesthetic Editorial Design
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap');

:root {
    --font-body: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
    --font-heading: "Cormorant Garamond", "Noto Serif JP", Georgia, serif;
    --font-size-base: 15px;
    --font-size-sm: 13px;
    --font-size-xs: 11px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 42px;
    --font-size-hero: 64px;
    --line-height-body: 2;
    --line-height-heading: 1.25;

    --color-accent: #B8836F;
    --color-accent-hover: #9C6B58;
    --color-accent-light: #FBF5F2;
    --color-cream: #FAF7F2;
    --color-sage: #A8B5A0;
    --color-blush: #E8C8C0;

    --color-bg: #FFFFFF;
    --color-text: #1C1917;
    --color-text-secondary: #78716C;
    --color-text-light: #A8A29E;
    --color-border: #E7E5E4;

    --color-amazon: #FF9900;
    --color-amazon-hover: #E68A00;
    --color-rakuten: #BF0000;
    --color-rakuten-hover: #A30000;
    --color-moshimo: #4CAF50;
    --color-moshimo-hover: #43A047;

    --content-width: 720px;
    --sidebar-width: 280px;
    --container-max: 1080px;
    --gap: 48px;

    --radius: 0px;
    --shadow: none;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --header-height: 72px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: var(--font-size-base); scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all var(--transition); }
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: var(--line-height-heading); }
ul, ol { list-style: none; }
::selection { background: var(--color-blush); color: var(--color-text); }

/* === Layout === */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.site-content { display: block; }

.layout-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--gap);
    align-items: start;
}

.content-area { min-width: 0; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.site-branding { text-align: left; }

.site-logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.02em;
    font-style: italic;
}

.site-logo:hover { opacity: 0.7; }

.site-tagline {
    font-size: 9px;
    color: var(--color-text-light);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-top: 2px;
    display: none;
}

/* Nav */
.nav-menu { display: flex; gap: 28px; align-items: center; }
.nav-menu li { position: relative; }

.nav-menu > li > a {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 4px 0;
    position: relative;
}

.nav-menu > li > a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-text);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.nav-menu > li > a:hover { color: var(--color-text); }
.nav-menu > li > a:hover::before,
.nav-menu .current-menu-item > a::before {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu .sub-menu {
    display: none;
    position: absolute;
    top: calc(100% + 16px);
    left: -16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 8px 0;
    min-width: 200px;
    z-index: 10;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.nav-menu li:hover > .sub-menu { display: block; }
.nav-menu .sub-menu a {
    display: block;
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    text-transform: none;
    letter-spacing: 0.03em;
    color: var(--color-text-secondary);
}
.nav-menu .sub-menu a::before { display: none; }
.nav-menu .sub-menu a:hover { color: var(--color-accent); background: var(--color-cream); }

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    padding: 8px;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--color-text);
    transition: var(--transition);
}

.menu-toggle.is-active .hamburger-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.is-active .hamburger-line:nth-child(2) { opacity: 0; }
.menu-toggle.is-active .hamburger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.breadcrumb-wrapper { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.breadcrumb { font-size: 10px; color: var(--color-text-light); letter-spacing: 0.06em; }
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-separator { margin: 0 8px; }

/* ==========================================================================
   Article Grid - Asymmetric Magazine
   ========================================================================== */

.article-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
}

/* Featured first card */
.article-grid .article-card:first-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 32px;
    border-bottom: none;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.article-grid .article-card:first-child .article-card__thumbnail {
    aspect-ratio: 4 / 5;
    margin-bottom: 0;
}

.article-grid .article-card:first-child .article-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-grid .article-card:first-child .article-card__title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 16px;
}

.article-grid .article-card:first-child .article-card__excerpt {
    -webkit-line-clamp: 4;
    margin-bottom: 20px;
}

/* ==========================================================================
   Article Card
   ========================================================================== */

.article-card {
    background: transparent;
    overflow: hidden;
    transition: all var(--transition);
}

.article-card__thumbnail {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-cream);
    margin-bottom: 16px;
    position: relative;
}

.article-card__thumbnail::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.03));
    pointer-events: none;
}

.article-card__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card:hover .article-card__thumbnail img {
    transform: scale(1.05);
}

.article-card__body { padding: 0; }

.article-card__category {
    display: inline-block;
    font-size: 9px;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 8px;
    position: relative;
    padding-left: 16px;
}

.article-card__category::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 10px;
    height: 1px;
    background: var(--color-accent);
}

.article-card__title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.65;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.article-card__title a { color: var(--color-text); }
.article-card__title a:hover { color: var(--color-accent); }

.article-card__excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__meta {
    font-size: 10px;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 16px;
    letter-spacing: 0.06em;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    padding-top: 8px;
}

.sidebar-widget,
.sidebar .widget {
    margin-bottom: 48px;
    background: transparent;
}

.sidebar-widget__title,
.sidebar .widget-title,
.sidebar .wp-block-heading {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-light);
    padding-bottom: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.sidebar-widget__title::after,
.sidebar .widget-title::after,
.sidebar .wp-block-heading::after { display: none; }

.sidebar .widget ul { list-style: none; }
.sidebar .widget ul li { margin-bottom: 0; }
.sidebar .widget ul li a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    padding: 10px 0;
    display: block;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}
.sidebar .widget ul li:last-child a { border-bottom: none; }
.sidebar .widget ul li a:hover { color: var(--color-accent); padding-left: 8px; }

.sidebar .wp-block-search__inside-wrapper { display: flex; }
.sidebar .wp-block-search__input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-right: none;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    outline: none;
}
.sidebar .wp-block-search__input:focus { border-color: var(--color-accent); }
.sidebar .wp-block-search__button {
    padding: 12px 16px;
    background: var(--color-text);
    color: #fff;
    border: none;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background var(--transition);
}
.sidebar .wp-block-search__button:hover { background: var(--color-accent); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: #1A1917;
    color: rgba(255,255,255,0.5);
    margin-top: 120px;
    padding: 72px 0 0;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: var(--color-border);
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 1fr;
    gap: 64px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 400;
    font-style: italic;
    margin-bottom: 24px;
    color: rgba(255,255,255,0.85);
}

.footer-description {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.35);
    line-height: 2;
}

.footer-category-list li { margin-bottom: 8px; }
.footer-category-list a, .footer-nav-menu a {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.35);
    transition: all var(--transition);
}
.footer-category-list a:hover, .footer-nav-menu a:hover {
    color: var(--color-blush);
    padding-left: 4px;
}
.footer-nav-menu li { margin-bottom: 8px; }

.affiliate-disclosure {
    margin-top: 24px;
    padding: 14px;
    border: 1px solid rgba(255,255,255,0.06);
    font-size: 10px;
    color: rgba(255,255,255,0.2);
    line-height: 1.8;
}

.footer-bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 24px;
    margin-top: 56px;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
    font-size: 10px;
    color: rgba(255,255,255,0.15);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination { margin-top: 64px; text-align: center; }
.pagination .nav-links { display: flex; justify-content: center; gap: 2px; }

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    transition: all var(--transition);
    position: relative;
}

.pagination .page-numbers::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--color-text);
    transition: width var(--transition);
}

.pagination .page-numbers:hover { color: var(--color-text); }
.pagination .page-numbers:hover::after { width: 16px; }

.pagination .page-numbers.current {
    color: var(--color-text);
    font-weight: 700;
}
.pagination .page-numbers.current::after { width: 16px; background: var(--color-accent); }

/* ==========================================================================
   Single Post
   ========================================================================== */

.single-header {
    margin-bottom: 48px;
    text-align: center;
}

.single-header__category {
    display: inline-block;
    font-size: 9px;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.single-header__title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 28px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.single-header__meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 11px;
    color: var(--color-text-light);
    letter-spacing: 0.06em;
}

.single-header__meta-item { display: flex; align-items: center; gap: 6px; }

.single-hero-image {
    margin-bottom: 56px;
    overflow: hidden;
}

.single-hero-image img { width: 100%; }

/* Article Body */
.single-content {
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
}

.single-content > *:first-child::first-letter {
    font-family: var(--font-heading);
    font-size: 3.2em;
    float: left;
    line-height: 0.85;
    margin-right: 8px;
    margin-top: 6px;
    color: var(--color-accent);
    font-weight: 600;
}

.single-content h2 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    margin: 72px 0 24px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.single-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 1px;
    background: var(--color-accent);
}

.single-content h3 {
    font-size: var(--font-size-lg);
    margin: 48px 0 16px;
    padding-left: 16px;
    border-left: 2px solid var(--color-accent);
}

.single-content h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin: 36px 0 12px;
}

.single-content p { margin-bottom: 28px; }

.single-content ul, .single-content ol { margin: 0 0 28px; }
.single-content ul { list-style: none; }
.single-content ul li {
    padding: 8px 0 8px 20px;
    position: relative;
}
.single-content ul li::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 18px;
}

.single-content ol { list-style: decimal; padding-left: 20px; }
.single-content li { margin-bottom: 4px; line-height: 1.9; }

.single-content blockquote {
    margin: 40px 0;
    padding: 40px;
    text-align: center;
    border: none;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 22px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.single-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
}

.single-content th, .single-content td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font-size: var(--font-size-sm);
}

.single-content th {
    font-weight: 700;
    border-bottom-width: 2px;
}

.single-content img { margin: 32px 0; }

.single-content a {
    color: var(--color-accent);
    border-bottom: 1px solid rgba(184, 131, 111, 0.3);
    transition: border-color var(--transition);
}

.single-content a:hover { border-color: var(--color-accent); }

/* Author Box */
.author-box {
    margin-top: 72px;
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 20px;
    align-items: center;
}

.author-box__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--color-cream);
}

.author-box__avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-box__name { font-size: 13px; font-weight: 700; margin-bottom: 2px; }
.author-box__bio { font-size: 12px; color: var(--color-text-secondary); line-height: 1.7; }

/* Related Posts */
.related-posts { margin-top: 72px; padding-top: 40px; border-top: 1px solid var(--color-border); }

.related-posts__title {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 32px;
    text-align: center;
}

/* ==========================================================================
   Search & 404
   ========================================================================== */

.search-form { display: flex; max-width: 400px; }

.search-form .search-field {
    flex: 1;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    border-right: none;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    outline: none;
    transition: border-color var(--transition);
}

.search-form .search-field:focus { border-color: var(--color-accent); }

.search-form .search-submit {
    padding: 14px 24px;
    background: var(--color-text);
    color: #fff;
    border: none;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: background var(--transition);
}

.search-form .search-submit:hover { background: var(--color-accent); }

.page-404 { text-align: center; padding: 120px 20px; }

.page-404 h1 {
    font-family: var(--font-heading);
    font-size: 120px;
    font-weight: 400;
    color: var(--color-cream);
    margin-bottom: 8px;
    line-height: 1;
}

.page-404 h2 { font-size: var(--font-size-lg); margin-bottom: 8px; }
.page-404 p { color: var(--color-text-secondary); margin-bottom: 32px; }

.no-posts { text-align: center; padding: 80px 20px; color: var(--color-text-secondary); }
.no-posts h2 { margin-bottom: 12px; }

/* ==========================================================================
   Sidebar Lists
   ========================================================================== */

.popular-posts-list { list-style: none; }
.popular-posts-item { margin-bottom: 0; }

.popular-posts-item__link {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--color-text);
    font-size: 13px;
    line-height: 1.5;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}

.popular-posts-item:last-child .popular-posts-item__link { border-bottom: none; }
.popular-posts-item__link:hover { color: var(--color-accent); }

.popular-posts-item__rank {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 400;
    color: var(--color-text-light);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.popular-posts-item__rank--top { color: var(--color-accent); }

.popular-posts-item__thumb {
    width: 48px;
    height: 48px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-cream);
}

.popular-posts-item__thumb img { width: 100%; height: 100%; object-fit: cover; }

.popular-posts-item__title {
    flex: 1;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-category-list li { margin-bottom: 0; }
.sidebar-category-list a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    padding: 10px 0;
    display: block;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}
.sidebar-category-list li:last-child a { border-bottom: none; }
.sidebar-category-list a:hover { color: var(--color-accent); padding-left: 8px; }

/* Section Title */
.section-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 400;
    font-style: italic;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}