/*
Theme Name: Ouchi Coffee Lab
Description: おうちコーヒー研究所のテーマ。自宅で飲むコーヒーと道具のレビュー向け。目次、パンくず、関連記事、シェア、お問い合わせフォーム、法定ページを備えています。
Version: 1.4.0
Text Domain: ouchi-coffee
*/

/* ---------- トークン ---------- */
:root {
  --oc-milk:      #F4F7F7;
  --oc-paper:     #FFFFFF;
  --oc-ink:       #2A1C15;
  --oc-muted:     #62564D;
  --oc-rule:      #C9D7E6;
  --oc-rule-soft: #E2EAF2;
  --oc-blue:      #1F44A0;
  --oc-blue-deep: #16327A;
  --oc-crema:     #FBF0D6;
  --oc-crema-ink: #6E4A10;
  --oc-crema-mark: #F7DE9C;
  --oc-warn-bg:   #FBEBE7;
  --oc-warn:      #8A2F1F;
  --oc-ok-bg:     #E7F3EC;
  --oc-ok:        #1E6340;
  --oc-head: 'Shippori Antique', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --oc-body: 'BIZ UDPGothic', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
  --oc-grid: linear-gradient(var(--oc-rule-soft) 1px, transparent 1px), linear-gradient(90deg, var(--oc-rule-soft) 1px, transparent 1px);
}

/* ---------- ベース ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 88px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--oc-milk); color: var(--oc-ink);
  font-family: var(--oc-body); font-size: 17px; line-height: 1.9;
  font-feature-settings: 'palt' 1; overflow-wrap: anywhere;
}
a { color: var(--oc-blue); text-underline-offset: 3px; }
a:hover { color: var(--oc-blue-deep); }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--oc-head); font-weight: 400; line-height: 1.45; }
h3 { font-family: var(--oc-body); font-weight: 700; }
:focus-visible { outline: 3px solid var(--oc-blue); outline-offset: 2px; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 300; padding: 8px 16px;
  background: var(--oc-blue); color: #fff;
}
.skip-link:focus { top: 8px; color: #fff; }
#reading-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--oc-blue); z-index: 250; }

/* ---------- ヘッダー ---------- */
.site-header { background: var(--oc-paper); border-bottom: 2px solid var(--oc-ink); position: sticky; top: 0; z-index: 100; }
.header-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo a { font-family: var(--oc-head); font-size: 23px; color: var(--oc-ink); text-decoration: none; white-space: nowrap; }
.logo img { display: block; max-height: 44px; width: auto; }
.site-nav ul { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }
.site-nav a { color: var(--oc-ink); font-size: 15px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.site-nav a:hover { color: var(--oc-blue); text-decoration: underline; }
.hamburger {
  display: none; flex-direction: column; justify-content: space-between;
  width: 44px; height: 44px; padding: 13px 9px; background: none; border: 0; cursor: pointer;
}
.hamburger span { display: block; height: 2px; background: var(--oc-ink); }
.mobile-menu {
  position: fixed; top: 0; right: 0; width: min(300px, 84vw); height: 100dvh; padding: 16px 20px 32px;
  background: var(--oc-paper); z-index: 200; overflow-y: auto;
  transform: translateX(100%); visibility: hidden; transition: transform .22s ease, visibility .22s;
}
.mobile-menu.open { transform: none; visibility: visible; }
.mobile-menu ul { list-style: none; margin: 8px 0 24px; padding: 0; }
.mobile-menu li { border-bottom: 1px solid var(--oc-rule); }
.mobile-menu li a { display: block; padding: 14px 2px; color: var(--oc-ink); font-weight: 700; text-decoration: none; }
.mobile-menu-close {
  display: block; margin-left: auto; min-height: 44px; padding: 0 12px;
  background: none; border: 0; color: var(--oc-muted); font: inherit; cursor: pointer;
}
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(42,28,21,.45); z-index: 150; }
.mobile-overlay.open { display: block; }

/* ---------- 検索 ---------- */
.search-box { display: flex; max-width: 460px; }
.search-box input {
  flex: 1; min-width: 0; min-height: 48px; padding: 8px 14px; border: 2px solid var(--oc-ink); border-right: 0;
  border-radius: 4px 0 0 4px; background: var(--oc-paper); font: inherit; font-size: 16px; color: var(--oc-ink);
}
.search-box button {
  min-height: 48px; padding: 0 22px; border: 2px solid var(--oc-ink); border-radius: 0 4px 4px 0;
  background: var(--oc-ink); color: #fff; font: inherit; font-weight: 700; cursor: pointer;
}
.search-box button:hover { background: var(--oc-blue); border-color: var(--oc-blue); }

/* ---------- トップ：方眼のヒーロー ---------- */
.hero { overflow: hidden; background-color: var(--oc-paper); background-image: var(--oc-grid); background-size: 26px 26px; border-bottom: 2px solid var(--oc-ink); }
.hero-inner {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 56px; align-items: center;
  padding: 72px 0 80px;
}
.hero h1 { margin: 0 0 20px; font-size: clamp(34px, 3.8vw, 46px); line-height: 1.38; }
.hero-copy > p { max-width: 34em; margin: 0 0 28px; }
.record-card {
  position: relative; padding: 26px 28px 20px; background: var(--oc-paper);
  border: 2px solid var(--oc-ink); border-radius: 4px; transform: rotate(1.2deg);
}
.record-card::after {
  content: ''; position: absolute; right: -96px; top: -118px; width: 220px; height: 220px;
  background: url('ring.svg') center / contain no-repeat; pointer-events: none;
}
.record-card-title { margin: 0 0 12px; font-family: var(--oc-head); font-size: 20px; }
.record-card dl, .oc-note { margin: 0; }
.record-card dl > div, .oc-note > div {
  display: grid; grid-template-columns: 6.5em minmax(0, 1fr); gap: 12px;
  padding: 10px 0; border-top: 1px solid var(--oc-rule);
}
.record-card dt, .oc-note dt { font-weight: 700; color: var(--oc-blue); }
.record-card dd, .oc-note dd { margin: 0; }

/* ---------- トップ：セクション ---------- */
.home-section { margin: 56px 0; }
.home-section > h2, .related > h2 { margin: 0 0 12px; font-size: 27px; }
.category-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; border-top: 2px solid var(--oc-ink); }
.category-list a { display: block; padding: 16px 0; border-bottom: 1px solid var(--oc-rule); color: var(--oc-ink); text-decoration: none; }
.category-list strong { display: block; font-size: 19px; }
.category-list span { color: var(--oc-muted); font-size: 15px; }
.category-list a:hover strong { color: var(--oc-blue); text-decoration: underline; }
.empty-note { color: var(--oc-muted); margin: 20px 0; }

/* ---------- 記事一覧 ---------- */
.post-list { border-top: 2px solid var(--oc-ink); }
.post-row { padding: 18px 0; border-bottom: 1px solid var(--oc-rule); }
.post-row.has-thumb { display: grid; grid-template-columns: 208px minmax(0, 1fr); gap: 20px; align-items: start; }
.post-row-thumb img { display: block; width: 100%; height: auto; border-radius: 4px; }
.post-row-meta { color: var(--oc-muted); font-size: 14px; line-height: 1.7; }
.post-row-meta span { margin-left: 12px; }
.post-row h3 { margin: 0; font-size: 19px; line-height: 1.6; }
.post-row h3 a { color: var(--oc-ink); text-decoration: none; }
.post-row h3 a:hover { color: var(--oc-blue); text-decoration: underline; }
.post-row p { margin: 4px 0 0; color: var(--oc-muted); font-size: 15px; line-height: 1.75; }
.list-head { margin: 28px 0 24px; }
.list-head h1 { margin: 0 0 6px; font-size: clamp(28px, 4vw, 38px); }
.list-head p { margin: 0; color: var(--oc-muted); }
.pagination { margin: 28px 0 56px; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.pagination .page-numbers { min-width: 44px; padding: 8px 12px; text-align: center; border: 1px solid var(--oc-rule); background: var(--oc-paper); text-decoration: none; }
.pagination .current { background: var(--oc-ink); border-color: var(--oc-ink); color: #fff; }
main.container { padding-bottom: 56px; }

/* ---------- パンくず ---------- */
.breadcrumb { padding-top: 16px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 2px 8px; list-style: none; margin: 0; padding: 0; font-size: 14px; color: var(--oc-muted); }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; color: var(--oc-rule); }

/* ---------- 記事ページ ---------- */
.article-layout {
  display: grid; grid-template-columns: minmax(0, 720px) 280px; justify-content: space-between; column-gap: 48px;
  grid-template-areas: 'head side' 'main side'; grid-template-rows: auto 1fr; margin-top: 24px;
}
.article-head { grid-area: head; }
.article-side { grid-area: side; }
.article-main { grid-area: main; min-width: 0; }
.article-head h1 { margin: 0 0 12px; font-size: clamp(25px, 3.4vw, 34px); line-height: 1.45; }
.article-dates { display: flex; flex-wrap: wrap; gap: 0 16px; margin: 0 0 12px; color: var(--oc-muted); font-size: 14px; }
.pr-note { margin: 0 0 24px; padding: 8px 12px; background: var(--oc-rule-soft); font-size: 14px; line-height: 1.7; }
.article-thumb { display: block; width: 100%; margin-bottom: 28px; border-radius: 4px; }
.toc {
  position: sticky; top: 92px; max-height: calc(100vh - 116px); overflow-y: auto;
  padding: 16px 18px; background: var(--oc-paper); border: 2px solid var(--oc-ink); border-radius: 4px;
}
.toc-title { margin: 0 0 6px; font-family: var(--oc-head); font-size: 19px; }
.toc ol { list-style: none; margin: 0; padding: 0; font-size: 14px; line-height: 1.6; }
.toc li { padding: 5px 0; border-top: 1px solid var(--oc-rule-soft); }
.toc .toc-h3 { padding-left: 1em; }
.toc a { color: var(--oc-ink); text-decoration: none; }
.toc a:hover { color: var(--oc-blue); text-decoration: underline; }

/* ---------- 本文 ---------- */
.article-body > :first-child { margin-top: 0; }
.article-body p { margin: 0 0 1.25em; }
.article-body h2 { margin: 2.4em 0 .9em; padding: 12px 16px; border-radius: 4px; background: var(--oc-ink); color: #fff; font-size: 25px; line-height: 1.4; }
.article-body h3 { margin: 2em 0 .7em; padding: 2px 0 2px 12px; border-left: 5px solid var(--oc-blue); font-size: 20px; line-height: 1.5; }
.article-body strong { background: linear-gradient(transparent 62%, var(--oc-crema-mark) 62%); }
.article-body ul, .article-body ol { margin: 0 0 1.25em; padding-left: 1.5em; }
.article-body img { border-radius: 4px; }
.article-body blockquote { margin: 0 0 1.25em; padding: 4px 0 4px 16px; border-left: 3px solid var(--oc-rule); color: var(--oc-muted); }
.article-body table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.7; }
.article-body th, .article-body td { padding: 10px 12px; border: 1px solid var(--oc-rule); text-align: left; vertical-align: top; }
.article-body th { background: var(--oc-rule-soft); }

/* ---------- 記事用の部品 ---------- */
.oc-pr {
  display: inline-block; margin-right: 8px; padding: 0 7px; border-radius: 3px;
  background: var(--oc-ink); color: #fff; font-size: 13px; font-weight: 700; line-height: 1.6; vertical-align: 1px;
}
.oc-picks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0 0 1.5em; }
.oc-pick { display: block; padding: 14px 16px; background: var(--oc-paper); border: 2px solid var(--oc-ink); border-radius: 4px; color: var(--oc-ink); text-decoration: none; }
.oc-pick:hover { border-color: var(--oc-blue); color: var(--oc-ink); }
.oc-pick-who { display: block; color: var(--oc-blue); font-size: 15px; font-weight: 700; line-height: 1.5; }
.oc-pick-name { display: block; margin: 6px 0; font-size: 18px; font-weight: 700; line-height: 1.45; }
.oc-pick-why { display: block; color: var(--oc-muted); font-size: 14px; line-height: 1.6; }
.oc-spec { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 0 0 1em; background: var(--oc-rule); border: 1px solid var(--oc-rule); border-radius: 4px; overflow: hidden; }
.oc-spec div { padding: 8px 10px; background: var(--oc-paper); }
.oc-spec span { display: block; color: var(--oc-muted); font-size: 13px; line-height: 1.5; }
.oc-spec b { display: block; font-size: 17px; line-height: 1.45; }
.oc-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0 0 1em; }
.oc-two > div { padding: 12px 14px; border-radius: 4px; font-size: 15px; line-height: 1.7; }
.oc-two p { margin: 0 0 2px !important; font-weight: 700; }
.oc-two ul { margin: 0 !important; padding-left: 1.2em !important; }
.oc-yes { background: var(--oc-ok-bg); }
.oc-yes p { color: var(--oc-ok); }
.oc-no { background: var(--oc-warn-bg); }
.oc-no p { color: var(--oc-warn); }
.oc-gray { background: var(--oc-rule-soft); }
.oc-review-note { margin: -4px 0 1em !important; color: var(--oc-muted); font-size: 14px; }
.oc-fig { margin: 1.5em 0; padding: 16px 18px; background: var(--oc-paper); border: 2px solid var(--oc-ink); border-radius: 4px; }
.oc-fig figcaption { margin-bottom: 8px; font-size: 17px; font-weight: 700; }
.oc-fig-note { margin: 8px 0 0 !important; color: var(--oc-muted); font-size: 14px; line-height: 1.6; }
.oc-bar { display: grid; grid-template-columns: minmax(0, 11em) minmax(0, 1fr); gap: 2px 12px; align-items: center; padding: 6px 0; font-size: 15px; line-height: 1.5; }
.oc-bar-track { display: flex; align-items: center; gap: 8px; min-width: 0; }
.oc-bar-fill { display: block; height: 16px; background: var(--oc-blue); border-radius: 0 4px 4px 0; }
.oc-bar-range { display: block; height: 16px; margin-left: -8px; background: #9FB1DA; border-radius: 0 4px 4px 0; }
.oc-bar-value { white-space: nowrap; font-weight: 700; }
.oc-flow-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 2px 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--oc-rule); font-size: 15px; line-height: 1.6; }
.oc-flow-row b:first-child { color: var(--oc-blue); }
.oc-types { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.oc-type { padding: 12px; border: 1px solid var(--oc-rule); border-radius: 4px; }
.oc-type svg { display: block; max-width: 100%; height: auto; margin: 0 auto 8px; }
.oc-type p { margin: 0 0 6px !important; font-size: 15px; line-height: 1.7; }
.oc-type p:first-of-type { font-size: 17px; font-weight: 700; }
.oc-type p:last-child { margin: 0 !important; color: var(--oc-muted); font-size: 14px; line-height: 1.6; }
.oc-lead { margin: 0 0 1.5em; font-size: 18px; }
.oc-point, .oc-warn, .oc-src, .oc-rec { margin: 0 0 1.5em; padding: 16px 20px; border-radius: 4px; }
.oc-point { background: var(--oc-crema); }
.oc-point-title, .oc-warn-title, .oc-src-title, .oc-rec-title { margin: 0 0 4px !important; font-weight: 700; }
.oc-point-title { color: var(--oc-crema-ink); }
.oc-warn { background: var(--oc-warn-bg); }
.oc-warn-title { color: var(--oc-warn); }
.oc-point > :last-child, .oc-warn > :last-child, .oc-src > :last-child, .oc-rec > :last-child { margin-bottom: 0; }
.oc-note {
  position: relative; margin: 2em 0; padding: 18px 22px 8px; background: var(--oc-paper);
  border: 2px solid var(--oc-ink); border-radius: 4px;
}
.oc-note > div:first-child { border-top: 0; }
.oc-rec { background: var(--oc-paper); border: 2px solid var(--oc-blue); }
.oc-table { margin: 0 0 1.5em; overflow-x: auto; }
.oc-table table { min-width: 560px; }
.oc-src { background: var(--oc-rule-soft); font-size: 15px; }
.oc-src ul { margin-bottom: 0; }
.oc-faq { margin: 0 0 1.5em; border-top: 1px solid var(--oc-rule); }
.oc-faq details { border-bottom: 1px solid var(--oc-rule); }
.oc-faq summary { padding: 12px 0; font-weight: 700; cursor: pointer; }
.oc-faq p { margin: 0 0 14px; }

.share-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 40px 0 24px; font-size: 15px; }
.share-buttons a {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px;
  border: 1px solid var(--oc-ink); border-radius: 4px; background: var(--oc-paper); color: var(--oc-ink); font-weight: 700; text-decoration: none;
}
.share-buttons a:hover { background: var(--oc-ink); color: #fff; }
.author-box { padding: 16px 20px; background: var(--oc-paper); border: 1px solid var(--oc-rule); border-radius: 4px; font-size: 15px; }
.author-box p { margin: 0; }
.author-box .author-box-title { font-family: var(--oc-head); font-size: 18px; }
.related { max-width: 720px; margin-top: 56px; }

/* ---------- 固定ページ ---------- */
.legal-page { max-width: 720px; margin-top: 24px; }
.legal-page h1 { margin: 0 0 16px; font-size: clamp(28px, 4vw, 38px); }
.legal-page > h2 { margin: 2em 0 .5em; font-size: 23px; }
.legal-page > p, .legal-page > ul { margin: 0 0 1.1em; }
.legal-updated { color: var(--oc-muted); font-size: 14px; }
.legal-notice { margin: 0 0 1.5em; padding: 14px 18px; background: var(--oc-crema); border-radius: 4px; }
.info-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.info-table th, .info-table td { padding: 10px 12px; border: 1px solid var(--oc-rule); text-align: left; vertical-align: top; background: var(--oc-paper); }
.info-table th { width: 9em; background: var(--oc-rule-soft); }

/* ---------- お問い合わせ ---------- */
.contact-form label { display: block; font-weight: 700; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 10px 12px; border: 2px solid var(--oc-ink); border-radius: 4px;
  background: var(--oc-paper); color: var(--oc-ink); font: inherit; font-size: 16px;
}
.contact-form p { margin: 0 0 16px; }
.contact-form .form-note { color: var(--oc-muted); font-size: 14px; }
.contact-form button {
  min-height: 48px; padding: 0 32px; border: 0; border-radius: 4px; background: var(--oc-blue); color: #fff;
  font: inherit; font-weight: 700; cursor: pointer;
}
.contact-form button:hover { background: var(--oc-blue-deep); }
.form-trap { position: absolute; left: -9999px; }
.form-message { padding: 12px 16px; border-radius: 4px; }
.form-message-ok { background: var(--oc-ok-bg); color: var(--oc-ok); }
.form-message-error { background: var(--oc-warn-bg); color: var(--oc-warn); }

/* ---------- フッター ---------- */
.site-footer { margin-top: 32px; background: var(--oc-ink); color: #EFE9E3; font-size: 15px; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding: 44px 0 28px; }
.footer-name { margin: 0 0 4px; font-family: var(--oc-head); font-size: 22px; color: #fff; }
.footer-grid p { margin: 0; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { padding: 3px 0; }
.footer-bottom { padding: 16px 0 24px; border-top: 1px solid rgba(255,255,255,.25); font-size: 14px; }
.footer-bottom p { margin: 0 0 4px; }

#page-top {
  position: fixed; right: 16px; bottom: 16px; z-index: 90; min-width: 48px; min-height: 48px; padding: 0 10px;
  background: var(--oc-ink); color: #fff; border: 0; border-radius: 4px; font: inherit; font-size: 14px; font-weight: 700;
  cursor: pointer; opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s;
}
#page-top.visible { opacity: 1; visibility: visible; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1040px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 720px) {
  .oc-picks { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 960px) {
  .category-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 36px; padding: 44px 0 52px; }
  .hero h1 { font-size: clamp(23px, 7.2vw, 46px); }
  .record-card { max-width: 480px; transform: none; }
  .record-card::after { right: -70px; top: -96px; width: 170px; height: 170px; }
  .article-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: none; grid-template-areas: 'head' 'side' 'main'; }
  .toc { position: static; max-height: none; margin-bottom: 28px; }
  .toc .toc-h3 { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .logo a { font-size: 20px; }
  .category-list { grid-template-columns: minmax(0, 1fr); }
  .post-row.has-thumb { grid-template-columns: 112px minmax(0, 1fr); gap: 12px; }
  .post-row.has-thumb p { display: none; }
  .oc-spec { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .oc-two { grid-template-columns: minmax(0, 1fr); }
  .oc-bar { grid-template-columns: minmax(0, 1fr); }
  .article-body h2 { font-size: 22px; padding: 10px 14px; }
  .article-body h2 { font-size: 24px; }
  .record-card dl > div, .oc-note > div { grid-template-columns: 5.5em minmax(0, 1fr); gap: 8px; }
  .record-card, .oc-note { padding-left: 18px; padding-right: 18px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .mobile-menu, #page-top { transition: none; }
}