/*
Theme Name: Okuru Mae Business Examples
Theme URI: https://example.com/
Author: Original Theme
Description: 「送る前に見る！そのまま使えるビジネス文例辞典」向けの軽量クラシックテーマ。
Version: 1.0.1
Requires at least: 5.8
Tested up to: 6.5
Requires PHP: 7.4
Text Domain: okurumae
*/

:root {
  --color-text: #1f2937;
  --color-muted: #667085;
  --color-border: #e5e7eb;
  --color-bg: #ffffff;
  --color-soft: #f6f8fb;
  --color-navy: #12345b;
  --color-navy-dark: #0b2442;
  --color-link: #0f4c81;
  --shadow-card: 0 8px 24px rgba(18, 52, 91, 0.08);
  --radius: 8px;
  --content-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: #fff;
}

.site-header__inner,
.site-footer__inner,
.container {
  width: min(100% - 32px, var(--content-width));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.site-title {
  margin: 0;
  max-width: min(68vw, 420px);
  font-size: clamp(0.86rem, 3.4vw, 1.05rem);
  font-weight: 700;
  line-height: 1.35;
}

.site-title a {
  display: inline-block;
  color: var(--color-navy);
}

.site-name-lines {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.04em;
}

.site-name-lines span {
  display: block;
}

.site-logo img {
  display: block;
  width: auto;
  max-width: min(68vw, 360px);
  max-height: 56px;
}

.site-description {
  display: none;
  margin: 2px 0 0;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.global-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.global-nav a {
  color: var(--color-text);
  font-weight: 600;
}

.main {
  padding: 28px 0 48px;
}

.hero-search {
  margin: -28px 0 28px;
  padding: 42px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-search__inner {
  width: min(100% - 32px, 880px);
  margin-inline: auto;
  text-align: center;
}

.hero-search h1 {
  margin: 0 0 12px;
  color: var(--color-navy);
  font-size: clamp(1.62rem, 7vw, 2.35rem);
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-search h1 .site-name-lines {
  align-items: center;
  overflow-wrap: anywhere;
}

.hero-search p {
  margin: 0 0 22px;
  color: var(--color-muted);
  font-size: 0.98rem;
}

.search-form,
.wp-block-search {
  display: flex;
  gap: 8px;
  width: 100%;
}

.search-field,
.wp-block-search__input {
  min-width: 0;
  flex: 1;
  width: 100%;
  border: 1px solid #cfd6df;
  border-radius: var(--radius);
  padding: 13px 14px;
  font: inherit;
  background: #fff;
}

.search-submit,
.wp-block-search__button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius);
  padding: 13px 18px;
  background: var(--color-navy);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.search-submit:hover,
.search-submit:focus,
.wp-block-search__button:hover,
.wp-block-search__button:focus,
.button:hover,
.button:focus {
  background: var(--color-navy-dark);
  color: #fff;
  text-decoration: none;
}

.section {
  margin-top: 34px;
}

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title {
  margin: 0;
  color: var(--color-navy);
  font-size: 1.25rem;
  line-height: 1.4;
}

.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.category-card {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.category-card__name {
  display: block;
  color: var(--color-navy);
  font-size: 1.05rem;
  font-weight: 700;
}

.category-card__count {
  display: block;
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.post-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-card {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.post-card:first-child {
  border-top: 1px solid var(--color-border);
}

.post-card__title {
  margin: 6px 0 8px;
  font-size: 1.08rem;
  line-height: 1.55;
}

.post-card__title a {
  color: var(--color-text);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.post-excerpt {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.layout {
  display: grid;
  gap: 28px;
}

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

.entry-header {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.entry-title {
  margin: 8px 0 12px;
  color: var(--color-navy);
  font-size: clamp(1.55rem, 6vw, 2.25rem);
  line-height: 1.35;
}

.entry-content {
  overflow-wrap: anywhere;
}

.entry-content h2,
.entry-content h3 {
  scroll-margin-top: 16px;
  color: var(--color-navy);
  line-height: 1.45;
}

.entry-content h2 {
  margin-top: 2.2em;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
  font-size: 1.35rem;
}

.entry-content h3 {
  margin-top: 1.8em;
  font-size: 1.15rem;
}

.entry-content p,
.entry-content ul,
.entry-content ol {
  margin-top: 1.1em;
  margin-bottom: 1.1em;
}

.entry-content blockquote {
  margin: 1.5em 0;
  padding: 14px 16px;
  border-left: 4px solid var(--color-navy);
  background: var(--color-soft);
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
}

.entry-content th,
.entry-content td {
  border: 1px solid var(--color-border);
  padding: 10px;
}

.entry-content .wp-block-button__link {
  background: var(--color-navy);
  border-radius: var(--radius);
}

.toc-box,
.category-route,
.related-posts,
.not-found-box {
  margin: 24px 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-soft);
}

.toc-box h2,
.category-route h2,
.related-posts h2 {
  margin: 0 0 10px;
  color: var(--color-navy);
  font-size: 1.05rem;
}

.toc-box ol,
.related-posts ul,
.category-route ul {
  margin: 0;
  padding-left: 1.3em;
}

.category-route li,
.related-posts li,
.toc-box li {
  margin: 6px 0;
}

.term-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.term-link {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 10px;
  background: #fff;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.pagination {
  margin-top: 28px;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  margin: 0 4px 8px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 6px 10px;
  background: #fff;
}

.page-numbers.current {
  background: var(--color-navy);
  color: #fff;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-soft);
}

.site-footer__inner {
  padding: 26px 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (min-width: 640px) {
  .site-description {
    display: block;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .main {
    padding-top: 36px;
  }

  .category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .layout--single {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .sidebar {
    position: sticky;
    top: 20px;
  }
}

@media (max-width: 520px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-title,
  .site-logo img {
    max-width: 100%;
  }

  .search-form,
  .wp-block-search {
    flex-direction: column;
  }

  .search-submit,
  .wp-block-search__button {
    width: 100%;
  }
}

/* Business LINE-style balloon */
.biz-line-balloon {
  --biz-line-balloon-bg: #b7f29b;
  --biz-line-balloon-text: #1f2937;
  --biz-line-balloon-icon-bg: #8fa3b8;
  --biz-line-balloon-icon-fg: #f8fafc;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 760px;
  margin: 1.4em 0;
}

.biz-line-balloon--gray {
  --biz-line-balloon-bg: #eef2f6;
  --biz-line-balloon-icon-bg: #94a3b8;
}

.biz-line-balloon--blue {
  --biz-line-balloon-bg: #dbeafe;
  --biz-line-balloon-icon-bg: #3b82f6;
}

.biz-line-balloon-icon {
  position: relative;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--biz-line-balloon-icon-bg);
  box-shadow: 0 4px 14px rgba(18, 52, 91, 0.12);
}

.biz-line-balloon-icon::before,
.biz-line-balloon-icon::after {
  position: absolute;
  left: 50%;
  content: "";
  transform: translateX(-50%);
  background: var(--biz-line-balloon-icon-fg);
}

.biz-line-balloon-icon::before {
  top: 9px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
}

.biz-line-balloon-icon::after {
  bottom: 8px;
  width: 25px;
  height: 14px;
  border-radius: 999px 999px 8px 8px;
}

.biz-line-balloon-body {
  min-width: 0;
}

.biz-line-balloon-text {
  position: relative;
  min-width: 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--biz-line-balloon-bg);
  color: var(--biz-line-balloon-text);
  box-shadow: 0 6px 18px rgba(18, 52, 91, 0.11);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.biz-line-balloon-text::before {
  position: absolute;
  top: 15px;
  left: -7px;
  width: 14px;
  height: 14px;
  content: "";
  background: var(--biz-line-balloon-bg);
  transform: rotate(45deg);
}

.biz-line-balloon-text p:first-child {
  margin-top: 0;
}

.biz-line-balloon-text p:last-child {
  margin-bottom: 0;
}

.biz-line-balloon-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 5px 12px;
  background: #fff;
  color: var(--color-muted);
  font: inherit;
  font-size: 0.8125rem;
  line-height: 1.4;
  cursor: pointer;
}

.biz-line-balloon-copy:hover,
.biz-line-balloon-copy:focus {
  border-color: #b7c3d0;
  color: var(--color-navy);
}

.biz-line-balloon-copy.is-copied {
  border-color: #86d96b;
  color: #246b1f;
}

@media (max-width: 520px) {
  .biz-line-balloon {
    gap: 10px;
    max-width: 100%;
  }

  .biz-line-balloon-icon {
    flex-basis: 38px;
    width: 38px;
    height: 38px;
  }

  .biz-line-balloon-icon::before {
    top: 8px;
    width: 13px;
    height: 13px;
  }

  .biz-line-balloon-icon::after {
    bottom: 7px;
    width: 22px;
    height: 12px;
  }

  .biz-line-balloon-text {
    padding: 12px 14px;
    border-radius: 16px;
    font-size: 0.95rem;
  }
}