/*
Theme Name: Office Tree Blog
Theme URI: https://office-tree.jp/blog/
Description: 行政書士法人Tree ブログテーマ
Version: 4.1.0
Author: Office Tree
Author URI: https://office-tree.jp/
*/

/* =========================================================
   Design Tokens
   ========================================================= */
:root {
    /* Brand */
    --green-900: #0f2318;
    --green-800: #1a3a2a;
    --green-700: #24503a;
    --green-600: #2d6a4a;
    --green-100: #eef4f0;
    --green-50: #f5f9f7;
    --gold-500: #b8924a;
    --gold-400: #c9a45e;
    --gold-300: #d4b574;
    --gold-200: #e8d5a8;
    --gold-100: #f5eed8;
    --gold-50: #faf7ef;

    /* Neutral */
    --ink: #1d1d1f;
    --ink-light: #48484a;
    --ink-lighter: #8e8e93;
    --ink-faint: #aeaeb2;
    --line: #e5e5e7;
    --line-light: #f0efed;
    --surface: #faf9f7;
    --surface-raised: #ffffff;

    /* Typography */
    --ff-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ff-serif: 'Hina Mincho', 'Yu Mincho', serif;
    --ff-display: 'Nothing You Could Do', cursive;
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    /* Spacing scale (4px base) */
    --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px;
    --sp-4: 16px; --sp-5: 20px; --sp-6: 24px;
    --sp-8: 32px; --sp-10: 40px; --sp-12: 48px;
    --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

    /* Layout */
    --container: 1100px;
    --content-narrow: 760px;
    --sidebar-w: 280px;
    --header-h: 72px;
    --radius: 6px;
    --radius-lg: 10px;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
    --shadow-md: 0 4px 16px rgba(0,0,0,.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.08);
    --shadow-card: 0 2px 12px rgba(0,0,0,.05);
    --ease: cubic-bezier(.4,0,.2,1);
    --duration: .35s;
}

/* =========================================================
   Reset & Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--ff-body);
    font-size: 15.5px;
    font-weight: var(--fw-regular);
    line-height: 1.85;
    color: var(--ink);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    letter-spacing: .02em;
}
a { color: var(--green-700); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--gold-500); }
img { max-width: 100%; height: auto; vertical-align: middle; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.4; font-weight: var(--fw-semibold); letter-spacing: .01em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-6); }
.pc-only { display: inline; }
@media (max-width: 767px) { .pc-only { display: none; } }

/* selection */
::selection { background: var(--green-100); color: var(--green-800); }

/* =========================================================
   Reading Progress
   ========================================================= */
.reading-progress {
    position: fixed; top: 0; left: 0; width: 100%; height: 2px;
    z-index: 1000; background: transparent;
}
.reading-progress__bar {
    height: 100%; width: 0;
    background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
    transition: width .08s linear;
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    max-width: var(--container); margin: 0 auto;
    padding: 0 var(--sp-6);
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-h);
}

/* Logo */
.site-logo {
    display: flex; align-items: center; gap: var(--sp-2);
    text-decoration: none; color: var(--green-800);
}
.site-logo:hover { color: var(--green-800); }
.site-logo-text {
    font-family: var(--ff-serif);
    font-size: 1.15rem; font-weight: var(--fw-regular);
    letter-spacing: .12em;
}
.blog-label {
    display: inline-block;
    font-family: var(--ff-display);
    font-size: .65rem;
    color: var(--gold-500);
    margin-left: var(--sp-2);
    letter-spacing: .18em;
    vertical-align: middle;
}

/* Hamburger */
.hamburger {
    display: none; background: none; border: none; cursor: pointer;
    width: 28px; height: 20px; position: relative; z-index: 110;
    padding: 0;
}
.hamburger span {
    display: block; position: absolute; left: 0; width: 100%; height: 1.5px;
    background: var(--green-800); border-radius: 1px;
    transition: all var(--duration) var(--ease);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 18px; }
.hamburger.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* Nav */
.nav-list {
    display: flex; align-items: center; gap: 0;
}
.nav-list li a {
    display: block; padding: var(--sp-2) var(--sp-4);
    font-size: .82rem; font-weight: var(--fw-medium);
    color: var(--ink-light); letter-spacing: .04em;
    position: relative; transition: color var(--duration) var(--ease);
}
.nav-list li a::after {
    content: ''; position: absolute; bottom: 4px; left: 50%; width: 0; height: 1px;
    background: var(--gold-500);
    transition: all var(--duration) var(--ease);
    transform: translateX(-50%);
}
.nav-list li a:hover, .nav-list li a.current { color: var(--green-800); }
.nav-list li a:hover::after, .nav-list li a.current::after { width: calc(100% - 32px); }

@media (max-width: 900px) {
    .hamburger { display: block; }
    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 300px; height: 100vh;
        background: var(--surface-raised); z-index: 105;
        padding: 100px var(--sp-8) var(--sp-8);
        transition: right var(--duration) var(--ease);
        box-shadow: -8px 0 40px rgba(0,0,0,.1);
    }
    .nav-menu.open, .nav-menu.active { right: 0; }
    .nav-list { flex-direction: column; gap: 0; align-items: stretch; }
    .nav-list li a {
        padding: var(--sp-4) 0; font-size: .9rem;
        border-bottom: 1px solid var(--line-light);
    }
    .nav-list li a::after { display: none; }
}

/* =========================================================
   Page Hero
   ========================================================= */
.page-hero {
    background: var(--green-800);
    color: #fff; text-align: center;
    padding: var(--sp-20) var(--sp-6) var(--sp-16);
    position: relative; overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201,164,94,.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(201,164,94,.06) 0%, transparent 60%);
    pointer-events: none;
}
.hero-content { max-width: 560px; margin: 0 auto; position: relative; }
.hero-subtitle {
    font-family: var(--ff-display);
    font-size: .85rem; letter-spacing: .25em;
    color: var(--gold-400); margin-bottom: var(--sp-3);
}
.hero-title {
    font-family: var(--ff-serif);
    font-size: 2rem; font-weight: var(--fw-regular);
    letter-spacing: .15em; margin-bottom: var(--sp-4);
}
.hero-desc {
    font-size: .88rem; font-weight: var(--fw-light);
    opacity: .75; line-height: 1.8; letter-spacing: .04em;
}

@media (max-width: 767px) {
    .page-hero { padding: var(--sp-16) var(--sp-6) var(--sp-12); }
    .hero-title { font-size: 1.6rem; letter-spacing: .1em; }
}

/* =========================================================
   Breadcrumb
   ========================================================= */
.breadcrumb {
    background: var(--surface-raised);
    border-bottom: 1px solid var(--line);
    font-size: .78rem; color: var(--ink-faint);
    padding: var(--sp-3) 0;
}
.breadcrumb .container {
    display: flex; align-items: center; flex-wrap: wrap; gap: var(--sp-1);
}
.breadcrumb a { color: var(--ink-lighter); }
.breadcrumb a:hover { color: var(--gold-500); }
.breadcrumb .separator { margin: 0 var(--sp-1); color: var(--ink-faint); font-size: .7rem; }

/* =========================================================
   Category Filter
   ========================================================= */
.category-filter-wrap {
    background: var(--surface-raised);
    border-bottom: 1px solid var(--line);
}
.category-filter {
    display: flex; flex-wrap: wrap; gap: 0;
    justify-content: center;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--sp-4);
}
.category-filter a {
    display: inline-block;
    padding: var(--sp-3) var(--sp-5);
    font-size: .82rem; font-weight: var(--fw-medium);
    color: var(--ink-lighter);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    letter-spacing: .04em;
    transition: all var(--duration) var(--ease);
    margin-bottom: -1px;
}
.category-filter a:hover {
    color: var(--green-800);
    border-bottom-color: var(--gold-300);
    background: transparent;
}
.category-filter a.active {
    color: var(--green-800);
    background: transparent;
    border-bottom-color: var(--gold-500);
    font-weight: var(--fw-semibold);
}
@media (max-width: 600px) {
    .category-filter { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
    .category-filter a { white-space: nowrap; flex-shrink: 0; }
}

/* =========================================================
   Content Area (2-column)
   ========================================================= */
.content-area {
    max-width: var(--container); margin: 0 auto;
    padding: var(--sp-12) var(--sp-6) var(--sp-16);
    display: grid; grid-template-columns: 1fr var(--sidebar-w); gap: var(--sp-12);
}
@media (max-width: 900px) {
    .content-area { grid-template-columns: 1fr; gap: var(--sp-16); padding: var(--sp-8) var(--sp-4) var(--sp-12); }
}

/* =========================================================
   Posts Grid
   ========================================================= */
.posts-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-8);
}
@media (max-width: 600px) {
    .posts-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
}

/* Post Card */
.post-card {
    background: var(--surface-raised);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    transition: all var(--duration) var(--ease);
}
.post-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.post-card a { display: block; color: inherit; text-decoration: none; }

/* Featured card */
.post-card--featured { grid-column: 1 / -1; }
@media (min-width: 601px) {
    .post-card--featured a { display: grid; grid-template-columns: 1fr 1fr; }
    .post-card--featured .post-card-thumbnail { aspect-ratio: auto; min-height: 280px; }
    .post-card--featured .post-card-body {
        display: flex; flex-direction: column; justify-content: center;
        padding: var(--sp-10);
    }
    .post-card--featured .post-card-title { font-size: 1.15rem; }
}

.post-card-thumbnail {
    aspect-ratio: 16 / 10; overflow: hidden; background: var(--line-light);
    position: relative;
}
.post-card-thumbnail img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .6s var(--ease);
}
.post-card:hover .post-card-thumbnail img { transform: scale(1.04); }

.post-card-body { padding: var(--sp-6); }
.post-card-category {
    display: inline-block;
    font-size: .7rem; font-weight: var(--fw-medium);
    color: var(--green-700);
    letter-spacing: .03em;
    margin-bottom: var(--sp-2);
    padding: 2px 10px;
    background: var(--green-50);
    border-radius: 3px;
}
.post-card-title {
    font-size: .95rem; font-weight: var(--fw-semibold); line-height: 1.6;
    margin-bottom: var(--sp-2); color: var(--ink);
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card-excerpt {
    font-size: .82rem; color: var(--ink-lighter); line-height: 1.75;
    margin-bottom: var(--sp-3);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card-meta {
    display: flex; align-items: center; gap: var(--sp-1);
    font-size: .74rem; color: var(--ink-faint);
    letter-spacing: .02em;
}
.post-card-meta svg { width: 13px; height: 13px; flex-shrink: 0; opacity: .5; }
.post-card-reading { margin-left: var(--sp-2); }
.post-card-reading::before { content: '·'; margin-right: var(--sp-2); }

/* =========================================================
   Pagination
   ========================================================= */
.pagination { margin-top: var(--sp-12); text-align: center; }
.pagination .nav-links {
    display: flex; justify-content: center; align-items: center; gap: var(--sp-1);
}
.pagination a, .pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 42px; height: 42px; padding: 0 var(--sp-3);
    font-size: .85rem; border-radius: var(--radius);
    transition: all var(--duration) var(--ease);
    letter-spacing: .02em;
}
.pagination a {
    color: var(--ink-lighter); background: var(--surface-raised);
    border: 1px solid var(--line);
}
.pagination a:hover {
    color: var(--green-800); border-color: var(--green-700);
}
.pagination .current {
    color: var(--surface-raised); background: var(--green-800);
    border: 1px solid var(--green-800); font-weight: var(--fw-semibold);
}

/* =========================================================
   Single Post
   ========================================================= */
.single-post { background: var(--surface); }

/* Hero — green background (same as page-hero) */
.single-hero {
    position: relative;
    display: flex; align-items: flex-end;
    overflow: hidden;
    background: var(--green-800);
    min-height: auto;
}
.single-hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201,164,94,.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(201,164,94,.06) 0%, transparent 60%);
    pointer-events: none;
}
.single-hero-bg { display: none; }
.single-hero-overlay { display: none; }
.single-hero-content {
    position: relative; z-index: 2;
    max-width: var(--container); width: 100%;
    margin: 0 auto;
    padding: var(--sp-16) var(--sp-6) var(--sp-12);
    color: #fff; text-align: center;
}
.single-category {
    display: inline-block; padding: 3px var(--sp-4);
    font-size: .72rem; font-weight: var(--fw-medium);
    color: rgba(255,255,255,.75);
    background: rgba(255,255,255,.1);
    border: none;
    border-radius: 3px; margin-bottom: var(--sp-4);
    letter-spacing: .04em;
    transition: all var(--duration) var(--ease);
}
.single-category:hover { background: rgba(255,255,255,.18); color: #fff; }
.single-title {
    font-family: var(--ff-serif);
    font-size: 1.6rem; font-weight: var(--fw-regular);
    line-height: 1.6; letter-spacing: .05em;
    margin: 0 auto var(--sp-5);
    max-width: 720px;
}
.single-meta {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: var(--sp-5);
    font-size: .78rem; opacity: .65;
    letter-spacing: .03em;
}
.meta-item { display: flex; align-items: center; gap: var(--sp-1); }
.meta-item svg { width: 14px; height: 14px; opacity: .6; }
.meta-updated { opacity: .8; }

@media (max-width: 767px) {
    .single-hero-content { padding: var(--sp-12) var(--sp-5) var(--sp-10); }
    .single-title { font-size: 1.25rem; }
    .single-meta { gap: var(--sp-3); font-size: .75rem; }
}

/* =========================================================
   Article Wrapper & Content
   ========================================================= */
.article-wrapper {
    max-width: var(--content-narrow); margin: 0 auto;
    padding: var(--sp-12) var(--sp-6);
}
.article-content {
    background: var(--surface-raised);
    border-radius: var(--radius-lg);
    padding: var(--sp-12) var(--sp-10);
    border: 1px solid var(--line);
    font-size: 15.5px; line-height: 2.05;
    color: var(--ink);
}
@media (max-width: 767px) {
    .article-wrapper { padding: var(--sp-6) var(--sp-4); }
    .article-content { padding: var(--sp-8) var(--sp-5); font-size: 15px; }
}

/* --- Article Headings (Premium) --- */
.article-content h2 {
    font-family: var(--ff-serif);
    font-size: 1.4rem; font-weight: var(--fw-regular);
    letter-spacing: .08em; color: var(--green-800);
    margin: var(--sp-16) 0 var(--sp-6);
    padding: 0 0 var(--sp-4) 0;
    background: none;
    border-left: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    position: relative;
}
.article-content h2::after {
    content: '';
    position: absolute; bottom: -1px; left: 0;
    width: 48px; height: 2px;
    background: var(--gold-500);
}
.article-content h2.sgb-heading {
    border-bottom: none;
    padding-bottom: 0;
}
.article-content h2.sgb-heading::after {
    display: none;
}

.article-content h3 {
    font-size: 1.15rem; font-weight: var(--fw-semibold);
    color: var(--ink); letter-spacing: .03em;
    margin: var(--sp-12) 0 var(--sp-4);
    padding: 0 0 0 var(--sp-4);
    border-bottom: none;
    border-left: 2px solid var(--gold-500);
}

.article-content h4 {
    font-size: 1rem; font-weight: var(--fw-semibold);
    color: var(--ink-light);
    margin: var(--sp-8) 0 var(--sp-3);
    padding: 0;
    border-left: none;
    position: relative;
    padding-left: var(--sp-5);
}
.article-content h4::before {
    content: '';
    position: absolute; left: 0; top: .55em;
    width: 8px; height: 8px;
    background: var(--gold-400);
    border-radius: 50%;
}

.article-content h5 {
    font-size: .92rem; font-weight: var(--fw-semibold);
    color: var(--ink-light);
    margin: var(--sp-6) 0 var(--sp-2);
}

/* --- Article Elements --- */
.article-content p { margin-bottom: var(--sp-5); }

.article-content ul:not(.ez-toc-list),
.article-content ol:not(.ez-toc-list) {
    margin: var(--sp-4) 0 var(--sp-5); padding-left: var(--sp-6);
}
.article-content ul:not(.ez-toc-list) { list-style: none; }
.article-content ul:not(.ez-toc-list) > li { position: relative; padding-left: var(--sp-4); margin-bottom: var(--sp-2); }
.article-content ul:not(.ez-toc-list) > li::before {
    content: ''; position: absolute; left: 0; top: .75em;
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--gold-500);
}
.article-content ol { list-style: none; counter-reset: ol-counter; }
.article-content ol > li { position: relative; padding-left: var(--sp-8); margin-bottom: var(--sp-2); counter-increment: ol-counter; }
.article-content ol > li::before {
    content: counter(ol-counter);
    position: absolute; left: 0; top: .15em;
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    font-size: .72rem; font-weight: var(--fw-bold);
    color: var(--surface-raised); background: var(--green-800);
    border-radius: 50%;
}

.article-content blockquote {
    margin: var(--sp-8) 0;
    padding: var(--sp-6) var(--sp-8);
    background: var(--gold-50);
    border: none; border-radius: var(--radius);
    border-left: 3px solid var(--gold-400);
    font-size: .92rem; color: var(--ink-light);
    font-style: italic;
    position: relative;
}
.article-content blockquote::before {
    content: '\201C';
    position: absolute; top: var(--sp-3); left: var(--sp-4);
    font-family: Georgia, serif;
    font-size: 2.5rem; line-height: 1;
    color: var(--gold-300); opacity: .5;
}

.article-content a {
    color: var(--green-700);
    text-decoration: none;
    background-image: linear-gradient(var(--gold-200), var(--gold-200));
    background-size: 100% 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: all var(--duration) var(--ease);
}
.article-content a:hover {
    color: var(--gold-500);
    background-image: linear-gradient(var(--gold-500), var(--gold-500));
}

.article-content img {
    border-radius: var(--radius); margin: var(--sp-4) 0;
}

.article-content table {
    width: 100%; margin: var(--sp-6) 0;
    border-collapse: separate; border-spacing: 0;
    font-size: .88rem; border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
}
.article-content th, .article-content td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--line);
    text-align: left;
}
.article-content th {
    background: var(--green-800); color: var(--surface-raised);
    font-weight: var(--fw-medium); font-size: .82rem;
    letter-spacing: .04em;
}
.article-content tr:last-child td { border-bottom: none; }
.article-content tr:nth-child(even) td { background: var(--surface); }

.article-content pre {
    background: var(--green-900); color: #e0e0e0;
    padding: var(--sp-6); border-radius: var(--radius);
    overflow-x: auto; font-size: .85rem; margin: var(--sp-5) 0;
    line-height: 1.7;
}
.article-content code {
    font-size: .85em; padding: .15em .45em;
    background: var(--green-50); color: var(--green-800);
    border-radius: 3px; border: 1px solid var(--green-100);
}
.article-content pre code {
    background: none; color: inherit; padding: 0; border: none; font-size: inherit;
}

/* Strong / emphasis */
.article-content strong { font-weight: var(--fw-bold); color: var(--ink); }
.article-content em { font-style: italic; }
.article-content mark, .article-content strong em, .article-content em strong {
    background: linear-gradient(transparent 60%, var(--gold-100) 60%);
}

/* Horizontal rule */
.article-content hr {
    border: none; height: 1px;
    background: var(--line);
    margin: var(--sp-10) 0;
}

/* =========================================================
   Share Buttons
   ========================================================= */
.share-buttons {
    max-width: var(--content-narrow); margin: 0 auto;
    padding: 0 var(--sp-6) var(--sp-10);
    display: flex; align-items: center; justify-content: center; gap: var(--sp-4);
}
.share-label {
    font-family: var(--ff-display);
    font-size: .85rem; color: var(--ink-faint);
    margin-right: var(--sp-2); letter-spacing: .1em;
}
.share-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 50%;
    color: #fff; border: none; cursor: pointer;
    transition: all var(--duration) var(--ease);
}
.share-btn:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(0,0,0,.1); color: #fff; }
.share-btn--x { background: var(--ink); }
.share-btn--line { background: #06c755; }
.share-btn--copy { background: var(--ink-lighter); }
.share-btn--copy.copied { background: var(--green-700); }

/* =========================================================
   Author Box
   ========================================================= */
.author-box {
    max-width: var(--content-narrow); margin: 0 auto;
    padding: 0 var(--sp-6) var(--sp-10);
}
.author-box__inner {
    display: flex; gap: var(--sp-6); align-items: flex-start;
    background: var(--surface-raised);
    padding: var(--sp-8); border-radius: var(--radius-lg);
    border: 1px solid var(--line);
}
.author-box__icon { flex-shrink: 0; }
.author-box__icon img {
    width: 68px; height: 68px; border-radius: 50%; object-fit: cover;
    border: 3px solid var(--surface);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.author-box__label {
    font-size: .7rem; color: var(--ink-faint); letter-spacing: .1em;
    text-transform: uppercase; margin-bottom: var(--sp-1);
}
.author-box__name {
    font-size: 1rem; font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-2); color: var(--green-800);
}
.author-box__desc {
    font-size: .82rem; line-height: 1.8; color: var(--ink-light);
    margin-bottom: var(--sp-3);
}
.author-box__link {
    display: inline-block;
    font-size: .82rem; font-weight: var(--fw-semibold);
    color: var(--gold-500); letter-spacing: .04em;
    transition: color var(--duration) var(--ease);
}
.author-box__link:hover { color: var(--gold-400); }
@media (max-width: 600px) {
    .author-box__inner { flex-direction: column; align-items: center; text-align: center; }
}

/* =========================================================
   Article Info
   ========================================================= */
.article-info {
    max-width: var(--content-narrow); margin: 0 auto;
    padding: 0 var(--sp-6) var(--sp-8);
}
.article-info__inner {
    display: flex; flex-direction: column; gap: var(--sp-3);
    font-size: .82rem; color: var(--ink-light);
}
.info-label { font-weight: var(--fw-semibold); color: var(--ink); margin-right: var(--sp-2); }
.article-info__cats a, .article-info__tags a {
    display: inline-block; padding: var(--sp-1) var(--sp-3); margin: 2px var(--sp-1);
    font-size: .76rem; color: var(--ink-lighter);
    border: 1px solid var(--line);
    border-radius: 50px; letter-spacing: .02em;
    transition: all var(--duration) var(--ease);
}
.article-info__cats a:hover, .article-info__tags a:hover {
    color: var(--green-800); border-color: var(--green-700);
    background: var(--green-50);
}

/* =========================================================
   Post Navigation
   ========================================================= */
.post-navigation {
    max-width: var(--content-narrow); margin: 0 auto;
    padding: 0 var(--sp-6) var(--sp-12);
    display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4);
}
.nav-prev, .nav-next {
    display: block; padding: var(--sp-5) var(--sp-6);
    background: var(--surface-raised);
    border-radius: var(--radius); border: 1px solid var(--line);
    transition: all var(--duration) var(--ease);
}
.nav-prev:hover, .nav-next:hover {
    border-color: var(--gold-400); background: var(--gold-50);
}
.nav-next { text-align: right; }
.nav-label {
    font-size: .72rem; color: var(--ink-faint);
    letter-spacing: .08em; text-transform: uppercase;
    margin-bottom: var(--sp-2);
}
.nav-title {
    font-size: .85rem; font-weight: var(--fw-medium); color: var(--ink); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
@media (max-width: 600px) {
    .post-navigation { grid-template-columns: 1fr; }
}

/* =========================================================
   Related Posts
   ========================================================= */
.related-posts {
    max-width: var(--container); margin: 0 auto;
    padding: 0 var(--sp-6) var(--sp-12);
}
.related-posts h2 {
    font-family: var(--ff-serif);
    font-size: 1.15rem; font-weight: var(--fw-regular);
    letter-spacing: .1em; text-align: center;
    margin-bottom: var(--sp-8); color: var(--ink);
}
.related-posts h2::after {
    content: ''; display: block;
    width: 32px; height: 1px;
    background: var(--gold-500); margin: var(--sp-3) auto 0;
}
.related-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6);
}
@media (max-width: 767px) {
    .related-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   CTA Section
   ========================================================= */
.cta-section {
    background: var(--green-800);
    color: #fff; text-align: center;
    padding: var(--sp-20) var(--sp-6);
    position: relative; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(201,164,94,.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 100%, rgba(201,164,94,.08) 0%, transparent 50%);
    pointer-events: none;
}
.cta-inner { max-width: 560px; margin: 0 auto; position: relative; }
.cta-label {
    font-family: var(--ff-display);
    font-size: .85rem; letter-spacing: .25em;
    color: var(--gold-400); margin-bottom: var(--sp-3);
}
.cta-title {
    font-family: var(--ff-serif);
    font-size: 1.5rem; font-weight: var(--fw-regular);
    letter-spacing: .12em; margin-bottom: var(--sp-4);
}
.cta-desc {
    font-size: .88rem; font-weight: var(--fw-light);
    opacity: .7; line-height: 1.9; margin-bottom: var(--sp-10);
    letter-spacing: .03em;
}
.cta-actions {
    display: flex; justify-content: center; flex-wrap: wrap; gap: var(--sp-4);
}
.cta-btn {
    display: inline-block; padding: 15px 36px;
    font-size: .88rem; font-weight: var(--fw-semibold);
    border-radius: 50px; letter-spacing: .06em;
    transition: all var(--duration) var(--ease);
    white-space: nowrap;
}
.cta-btn--primary {
    background: var(--gold-500); color: #fff;
}
.cta-btn--primary:hover {
    background: var(--gold-400); color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(184,146,74,.2);
}
.cta-btn--ghost {
    background: transparent; color: rgba(255,255,255,.8);
    border: 1px solid rgba(255,255,255,.25);
}
.cta-btn--ghost:hover {
    color: #fff;
    border-color: rgba(255,255,255,.55);
    background: rgba(255,255,255,.06);
}

/* =========================================================
   Sidebar
   ========================================================= */
.sidebar { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; min-width: 0; overflow: hidden; }

.widget {
    background: var(--surface-raised);
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
    margin-bottom: var(--sp-5);
    overflow: hidden;
    border: 1px solid var(--line);
}
.widget-title {
    font-size: .78rem; font-weight: var(--fw-bold);
    letter-spacing: .12em; text-transform: uppercase;
    margin-bottom: var(--sp-4); padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--line);
    color: var(--green-800);
}

/* Search */
.widget .search-form,
.widget form.search-form {
    display: flex; gap: 0;
    width: 100%; max-width: 100%;
    box-sizing: border-box;
}
.widget .search-form input[type="search"],
.widget .search-form input[type="text"],
.widget .search-form .search-field {
    flex: 1; min-width: 0;
    padding: 10px 14px;
    font-size: .85rem; border: 1px solid var(--line);
    border-radius: var(--radius) 0 0 var(--radius);
    border-right: none;
    outline: none; font-family: var(--ff-body);
    background: var(--surface);
    box-sizing: border-box;
    transition: border-color var(--duration) var(--ease);
}
.widget .search-form input[type="search"]:focus,
.widget .search-form input[type="text"]:focus,
.widget .search-form .search-field:focus { border-color: var(--green-700); }
.widget .search-form button,
.widget .search-form input[type="submit"],
.widget .search-form .search-submit {
    padding: 10px 16px;
    background: var(--green-800); color: #fff;
    border: 1px solid var(--green-800);
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer; font-size: .82rem; font-weight: var(--fw-semibold);
    white-space: nowrap; flex-shrink: 0;
    font-family: var(--ff-body);
    box-sizing: border-box;
    transition: background var(--duration) var(--ease);
}
.widget .search-form button:hover,
.widget .search-form input[type="submit"]:hover,
.widget .search-form .search-submit:hover { background: var(--green-700); }

/* Profile */
.profile-widget { text-align: center; }
.profile-icon {
    width: 52px; height: 52px; margin: 0 auto var(--sp-3);
    background: var(--green-50);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.profile-icon svg { width: 24px; height: 24px; stroke: var(--green-700); }
.profile-widget .name {
    font-weight: var(--fw-semibold); font-size: .92rem;
    margin-bottom: var(--sp-2); color: var(--green-800);
}
.profile-widget .bio {
    font-size: .8rem; color: var(--ink-light); line-height: 1.75;
    margin-bottom: var(--sp-4);
}
.sidebar-cta {
    display: inline-block; padding: 10px 28px;
    font-size: .82rem; font-weight: var(--fw-semibold);
    color: #fff; background: var(--gold-500);
    border-radius: 50px; letter-spacing: .04em;
    transition: all var(--duration) var(--ease);
}
.sidebar-cta:hover { background: var(--gold-400); color: #fff; transform: translateY(-1px); }

/* Category / lists */
.widget ul { padding: 0; margin: 0; }
.widget ul li.cat-item {
    display: flex; flex-wrap: wrap; align-items: center;
    border-bottom: 1px solid var(--line-light);
    font-size: .72rem; color: var(--ink-faint);
    line-height: 1;
}
.widget ul li.cat-item:last-child { border-bottom: none; }
.widget ul li.cat-item a {
    display: inline;
    padding: var(--sp-3) 0; font-size: .84rem; color: var(--ink-light);
    transition: color var(--duration) var(--ease);
    margin-right: var(--sp-1);
}
.widget ul li.cat-item a:hover { color: var(--green-700); }
/* Sub-categories */
.widget ul.children {
    width: 100%; padding-left: 0 !important;
    margin: 0;
    border-top: 1px solid var(--line-light);
}
.widget ul.children li.cat-item { border-bottom: none; }
.widget ul.children li.cat-item a { font-size: .82rem; }
/* Generic widget list fallback */
.widget ul li:not(.cat-item) { border-bottom: 1px solid var(--line-light); }
.widget ul li:not(.cat-item):last-child { border-bottom: none; }
.widget ul li:not(.cat-item) a {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 2px; font-size: .84rem; color: var(--ink-light);
    transition: color var(--duration) var(--ease);
}
.widget ul li:not(.cat-item) a:hover { color: var(--green-700); }
.widget ul li a .count, .widget ul li a .post-count {
    font-size: .72rem; color: var(--ink-faint);
}

/* Popular posts */
.popular-post-item {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-3) 0; border-bottom: 1px solid var(--line-light);
    color: var(--ink); transition: opacity var(--duration) var(--ease);
}
.popular-post-item:last-child { border-bottom: none; }
.popular-post-item:hover { opacity: .75; }
.popular-rank {
    flex-shrink: 0; width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    font-size: .68rem; font-weight: var(--fw-bold);
    color: var(--ink-faint); background: var(--surface);
    border-radius: 50%; letter-spacing: 0;
}
.popular-post-item:nth-child(1) .popular-rank { background: var(--gold-500); color: #fff; }
.popular-post-item:nth-child(2) .popular-rank { background: var(--ink-lighter); color: #fff; }
.popular-post-item:nth-child(3) .popular-rank { background: var(--gold-300); color: #fff; }
.popular-post-thumb {
    flex-shrink: 0; width: 52px; height: 52px;
    border-radius: var(--radius); overflow: hidden; background: var(--line-light);
}
.popular-post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.popular-post-title {
    font-size: .8rem; font-weight: var(--fw-medium); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
    background: var(--green-900);
    color: rgba(255,255,255,.7);
    padding: var(--sp-12) 0 0;
}
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-6); }
.footer-content {
    display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--sp-10);
    padding-bottom: var(--sp-10);
}
@media (max-width: 767px) {
    .footer-content { grid-template-columns: 1fr; gap: var(--sp-8); }
}

.footer-logo-text {
    font-family: var(--ff-serif);
    font-size: 1.05rem; font-weight: var(--fw-regular);
    letter-spacing: .12em; margin-bottom: var(--sp-3);
    color: rgba(255,255,255,.9);
}
.footer-tagline {
    font-family: var(--ff-display);
    font-size: .78rem; line-height: 1.7;
    color: var(--gold-400); opacity: .6; margin-bottom: var(--sp-4);
    letter-spacing: .04em;
}
.footer-contact-info { font-size: .82rem; opacity: .6; }
.footer-contact-info p { margin-bottom: 2px; }

.footer-section h4 {
    font-size: .72rem; font-weight: var(--fw-bold);
    letter-spacing: .15em; text-transform: uppercase;
    margin-bottom: var(--sp-4);
    color: rgba(255,255,255,.5);
}
.footer-section ul { padding: 0; }
.footer-section li { border-bottom: none; }
.footer-section li a {
    display: inline-flex; align-items: center; gap: var(--sp-1);
    padding: var(--sp-1) 0; font-size: .82rem;
    color: rgba(255,255,255,.55);
    transition: color var(--duration) var(--ease);
}
.footer-section li a:hover { color: var(--gold-400); }
.footer-section .count { font-size: .72rem; opacity: .5; }

.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: var(--sp-5) 0;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .75rem;
}
.copyright { opacity: .4; }
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: var(--gold-400); }

@media (max-width: 600px) {
    .footer-bottom { flex-direction: column; gap: var(--sp-2); text-align: center; }
}

/* =========================================================
   Shortcode: Balloon (吹き出し)
   ========================================================= */
.ot-balloon {
    display: flex; gap: var(--sp-4); margin: var(--sp-6) 0; align-items: flex-start;
}
.ot-balloon--right { flex-direction: row-reverse; }
.ot-balloon__icon { flex-shrink: 0; text-align: center; }
.ot-balloon__icon img {
    width: 52px; height: 52px; border-radius: 50%; object-fit: cover;
    border: 2px solid var(--surface);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.ot-balloon__name {
    display: block; font-size: .68rem; color: var(--ink-faint);
    margin-top: var(--sp-1); letter-spacing: .02em;
}
.ot-balloon__body {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--sp-4) var(--sp-5);
    max-width: 78%;
    font-size: .9rem; line-height: 1.85;
}
.ot-balloon__body p:last-child { margin-bottom: 0; }
.ot-balloon--left .ot-balloon__body::before {
    content: ''; position: absolute; left: -7px; top: 16px;
    width: 12px; height: 12px;
    background: var(--surface);
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transform: rotate(45deg);
}
.ot-balloon--right .ot-balloon__body::after {
    content: ''; position: absolute; right: -7px; top: 16px;
    width: 12px; height: 12px;
    background: var(--surface);
    border-right: 1px solid var(--line);
    border-top: 1px solid var(--line);
    transform: rotate(45deg);
}

/* =========================================================
   Shortcode: Timeline
   ========================================================= */
.ot-timeline {
    position: relative; margin: var(--sp-8) 0;
    padding-left: var(--sp-8);
}
.ot-timeline::before {
    content: ''; position: absolute; left: 9px; top: 4px; bottom: 4px;
    width: 1px; background: var(--line);
}
.ot-timeline__item { position: relative; padding-bottom: var(--sp-8); }
.ot-timeline__item:last-child { padding-bottom: 0; }
.ot-timeline__marker {
    position: absolute; left: calc(-1 * var(--sp-8) + 4px); top: 6px;
    width: 11px; height: 11px; border-radius: 50%;
    background: var(--surface-raised);
    border: 2px solid var(--gold-500);
}
.ot-timeline__label {
    display: inline-block; font-size: .7rem; font-weight: var(--fw-semibold);
    color: var(--gold-500); letter-spacing: .08em;
    margin-bottom: var(--sp-1);
}
.ot-timeline__title { font-size: .95rem; font-weight: var(--fw-semibold); margin-bottom: var(--sp-2); }
.ot-timeline__body { font-size: .88rem; color: var(--ink-light); line-height: 1.85; }
.ot-timeline__body p:last-child { margin-bottom: 0; }

/* =========================================================
   Shortcode: Memo
   ========================================================= */
.ot-memo {
    margin: var(--sp-6) 0; border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--surface-raised);
    overflow: hidden;
}
.ot-memo__title {
    padding: var(--sp-3) var(--sp-5);
    font-size: .78rem; font-weight: var(--fw-semibold);
    letter-spacing: .08em;
    color: var(--green-800);
    background: var(--green-50);
    border-bottom: 1px solid var(--line);
}
.ot-memo__title i { margin-right: var(--sp-1); color: var(--gold-500); }
.ot-memo__body { padding: var(--sp-5); font-size: .9rem; line-height: 1.85; }
.ot-memo__body p:last-child { margin-bottom: 0; }

/* =========================================================
   404 / Search empty
   ========================================================= */
.error-404 {
    text-align: center; padding: var(--sp-16) var(--sp-6);
    color: var(--ink-light);
}
.error-404 p { margin-bottom: var(--sp-6); font-size: .95rem; }
.btn-home {
    display: inline-block; padding: 13px 32px;
    background: var(--green-800); color: #fff;
    border-radius: 50px; font-size: .88rem; font-weight: var(--fw-semibold);
    letter-spacing: .04em;
    transition: all var(--duration) var(--ease);
}
.btn-home:hover { background: var(--green-700); color: #fff; transform: translateY(-2px); }

/* =========================================================
   WordPress Core
   ========================================================= */
.wp-block-image { margin: var(--sp-5) 0; }
.wp-block-image img { border-radius: var(--radius); }
.aligncenter { display: block; margin: 0 auto; }
.alignleft { float: left; margin: 0 var(--sp-5) var(--sp-3) 0; }
.alignright { float: right; margin: 0 0 var(--sp-3) var(--sp-5); }
.wp-caption { max-width: 100%; }
.wp-caption-text {
    font-size: .78rem; color: var(--ink-faint); text-align: center;
    margin-top: var(--sp-2); letter-spacing: .02em;
}
.gallery { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: var(--sp-5) 0; }
.gallery-item { flex: 1 1 200px; }
.gallery-item img { border-radius: var(--radius); }
.screen-reader-text {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.page-numbers { list-style: none; padding: 0; }

/* =========================================================
   Search Form (general fallback)
   ========================================================= */
.searchform, form.search-form {
    display: flex; width: 100%; max-width: 100%; box-sizing: border-box;
}
.searchform input[type="text"], .searchform input[type="search"],
form.search-form input[type="search"] {
    flex: 1; min-width: 0; padding: 10px 14px;
    font-size: .85rem; border: 1px solid var(--line);
    border-radius: var(--radius) 0 0 var(--radius);
    border-right: none;
    outline: none; font-family: var(--ff-body);
    background: var(--surface); box-sizing: border-box;
}
.searchform input[type="submit"], form.search-form button {
    padding: 10px 16px;
    background: var(--green-800); color: #fff;
    border: 1px solid var(--green-800);
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer; font-weight: var(--fw-semibold);
    font-size: .82rem; font-family: var(--ff-body);
    white-space: nowrap; flex-shrink: 0; box-sizing: border-box;
}

/* =========================================================
   Cross-links (時効援用 related articles)
   ========================================================= */
.ot-crosslinks {
    margin: var(--sp-8) 0;
    padding: var(--sp-6);
    background: var(--green-50);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.ot-crosslinks__title {
    font-family: var(--ff-serif);
    font-size: 1.05rem;
    font-weight: var(--fw-semibold);
    color: var(--green-800);
    margin-bottom: var(--sp-4);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--line);
}
.ot-crosslinks__list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}
.ot-crosslinks__list li {
    margin: 0 !important;
    padding: 0 !important;
}
.ot-crosslinks__list li::before {
    display: none !important;
    content: none !important;
}
.ot-crosslinks__list li a {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    background: var(--surface-raised);
    border: 1px solid var(--line-light);
    border-radius: 6px;
    color: var(--ink-light);
    font-size: .88rem;
    text-decoration: none;
    transition: all var(--duration) var(--ease);
}
.ot-crosslinks__list li a:hover {
    color: var(--green-700);
    border-color: var(--green-600);
    background: #fff;
    transform: translateX(4px);
}
.ot-crosslinks__list li a::before {
    content: '›';
    display: inline-block !important;
    flex-shrink: 0;
    width: 20px; height: 20px;
    line-height: 20px;
    text-align: center;
    font-size: .8rem;
    font-weight: var(--fw-bold);
    color: var(--green-700);
    background: var(--green-100);
    border-radius: 50%;
}

/* =========================================================
   Sango Block: Headings (.sgb-heading)
   Override inline styles with !important
   ========================================================= */
.article-content h2.sgb-heading {
    background: none !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: var(--sp-16) 0 var(--sp-6) !important;
    font-size: inherit !important;
}
.sgb-heading__inner {
    display: block !important;
    background: none !important;
    border: none !important;
    padding: 0 0 var(--sp-3) 0 !important;
    font-size: 1.35rem !important;
    border-bottom: 1px solid var(--line) !important;
    position: relative;
}
.sgb-heading__inner::after {
    content: '';
    position: absolute; bottom: -1px; left: 0;
    width: 40px; height: 2px;
    background: var(--gold-500);
}
.sgb-heading__inner i,
.sgb-heading__inner .fa,
.sgb-heading__inner .fas,
.sgb-heading__inner .far {
    display: none !important;
}
.sgb-heading__text {
    color: var(--green-800) !important;
    font-family: var(--ff-serif) !important;
    font-weight: var(--fw-regular) !important;
    letter-spacing: .06em !important;
}

/* =========================================================
   Sango Block: ワンポイントBOX (.sgb-box-simple)
   ========================================================= */
.sgb-box-simple {
    margin: var(--sp-8) 0 !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    overflow: hidden;
    background: var(--surface-raised) !important;
    box-shadow: none !important;
}
.sgb-box-simple__title {
    background: var(--green-800) !important;
    color: rgba(255,255,255,.85) !important;
    padding: var(--sp-3) var(--sp-5) !important;
    font-size: .78rem !important;
    font-weight: var(--fw-semibold) !important;
    letter-spacing: .1em !important;
    border: none !important;
}
.sgb-box-simple__title i {
    color: var(--gold-400) !important;
    margin-right: var(--sp-1);
}
.sgb-box-simple__body {
    border: 1px solid var(--line) !important;
    border-top: none !important;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important;
    background: var(--surface-raised) !important;
    padding: var(--sp-6) !important;
    font-size: .9rem;
    line-height: 1.9;
    color: var(--ink-light);
}
.sgb-box-simple__body p:last-child { margin-bottom: 0; }

/* =========================================================
   Sango Block: BOX17 (特殊ボックス)
   ========================================================= */
.sng-box.box17 {
    margin: var(--sp-8) 0;
    padding: var(--sp-5) var(--sp-6);
    background: var(--gold-50) !important;
    border: 1px solid var(--gold-200) !important;
    border-radius: var(--radius-lg);
    color: var(--ink);
}
.sng-box.box17 .big {
    font-size: 1.05rem;
    font-weight: var(--fw-semibold);
    color: var(--green-800);
}

/* =========================================================
   Sango Block: Reference Link (.sgb-e-link / sanko)
   ========================================================= */
.wp-block-sgb-sanko {
    margin: var(--sp-6) 0;
}
.sgb-e-link {
    display: flex !important;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4) var(--sp-5) !important;
    background: var(--surface) !important;
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    text-decoration: none !important;
    color: var(--ink) !important;
    transition: all var(--duration) var(--ease);
}
.sgb-e-link:hover {
    border-color: var(--gold-400) !important;
    background: var(--gold-50) !important;
}
.sgb-e-link__catchy {
    display: inline-block;
    font-size: .68rem !important;
    font-weight: var(--fw-bold) !important;
    color: var(--gold-500) !important;
    letter-spacing: .12em;
    text-transform: uppercase;
    background: none !important;
    border: none !important;
    padding: 0 !important;
    margin-bottom: var(--sp-1);
}
.sgb-e-link__title {
    font-size: .9rem !important;
    font-weight: var(--fw-medium) !important;
    color: var(--ink) !important;
    line-height: 1.5;
}
.sgb-e-link__sitename {
    font-size: .75rem !important;
    color: var(--ink-faint) !important;
    margin-top: var(--sp-1);
}

/* =========================================================
   Sango Block: Custom Lists (.wp-block-sgb-list)
   ========================================================= */
.wp-block-sgb-list .ol-circle ol {
    list-style: none !important;
    counter-reset: sgb-ol;
    padding-left: 0 !important;
    margin: var(--sp-4) 0 var(--sp-6);
}
.wp-block-sgb-list .ol-circle ol li {
    position: relative;
    padding-left: var(--sp-10) !important;
    margin-bottom: var(--sp-5) !important;
    counter-increment: sgb-ol;
    line-height: 1.8;
}
.wp-block-sgb-list .ol-circle ol li::before {
    content: counter(sgb-ol) !important;
    position: absolute; left: 0; top: 2px;
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    font-size: .72rem; font-weight: var(--fw-bold);
    color: #fff !important;
    background: var(--green-800) !important;
    border: none !important;
    border-radius: 50%;
}

/* =========================================================
   Keiko Marker (蛍光ペン)
   ========================================================= */
.keiko_green {
    background: linear-gradient(transparent 65%, var(--gold-100) 65%) !important;
    padding: 0 2px;
}

/* =========================================================
   Easy Table of Contents
   ========================================================= */
#ez-toc-container,
.ez-toc-container {
    margin: var(--sp-8) 0 !important;
    padding: 0 !important;
    background: var(--surface) !important;
    border: 1px solid var(--line) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: none !important;
    overflow: hidden;
    width: 100% !important;
}
#ez-toc-container .ez-toc-title-container,
.ez-toc-container .ez-toc-title-container {
    padding: var(--sp-3) var(--sp-6) !important;
    background: none !important;
    border-bottom: 1px solid var(--line) !important;
    margin: 0 !important;
}
#ez-toc-container .ez-toc-title,
.ez-toc-title {
    font-size: .78rem !important;
    font-weight: var(--fw-bold) !important;
    letter-spacing: .12em !important;
    text-transform: uppercase;
    color: var(--green-800) !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.5 !important;
}
#ez-toc-container nav,
.ez-toc-container nav {
    padding: var(--sp-4) var(--sp-6) !important;
}
ul.ez-toc-list,
.ez-toc-list {
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}
ul.ez-toc-list li,
.ez-toc-list li {
    padding: var(--sp-2) 0 !important;
    padding-left: 0 !important;
    border-bottom: 1px solid var(--line-light) !important;
    list-style: none !important;
    font-size: .85rem !important;
    line-height: 1.6 !important;
    position: static !important;
    counter-increment: none !important;
    margin-bottom: 0 !important;
}
ul.ez-toc-list li::before,
.ez-toc-list li::before {
    display: none !important;
    content: none !important;
}
ul.ez-toc-list li:last-child,
.ez-toc-list li:last-child {
    border-bottom: none !important;
}
.ez-toc-list a,
.ez-toc-list a.ez-toc-link {
    color: var(--ink-light) !important;
    text-decoration: none !important;
    background-image: none !important;
    background: none !important;
    transition: color var(--duration) var(--ease);
}
.ez-toc-list a:hover,
.ez-toc-list a.ez-toc-link:hover {
    color: var(--gold-500) !important;
}
/* counter-hierarchy numbering override */
.ez-toc-counter ul.ez-toc-list li a::before {
    color: var(--ink-faint) !important;
    font-size: .78rem !important;
    font-weight: var(--fw-medium) !important;
    margin-right: var(--sp-2) !important;
}

/* =========================================================
   Scroll Reveal Animation
   ========================================================= */
.reveal {
    opacity: 0; transform: translateY(16px);
    transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.revealed {
    opacity: 1; transform: translateY(0);
}

/* =========================================================
   Print
   ========================================================= */
@media print {
    .site-header, .site-footer, .sidebar, .share-buttons,
    .cta-section, .related-posts, .post-navigation,
    .breadcrumb, .category-filter, .reading-progress { display: none; }
    .article-content { box-shadow: none; border: none; padding: 0; }
    .content-area { grid-template-columns: 1fr; }
    body { font-size: 11pt; color: #000; }
}