/* =====================================================
   STうめあかりブログ 共通スタイル
   ベース：うめあかりポートフォリオサイトと統一
   ===================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fafaf5;
  --color-bg-soft: #faf8f4;
  --color-bg-card: #ffffff;
  --color-text: #3a3530;
  --color-text-soft: #6b6157;
  --color-accent: #d97559;
  --color-accent-soft: #e8a994;
  --color-line: #e7dfd2;
  --color-brown: #5d4a3f;

  /* カテゴリ別カラー */
  --color-cat-swallowing: #e8a994;
  --color-cat-kotoba: #f5d0c5;
  --color-cat-career: #8a7868;

  --font-jp: 'Zen Kaku Gothic New', 'Noto Sans JP', system-ui, sans-serif;
  --font-en: 'Cormorant Garamond', serif;
  --font-body: 'Noto Sans JP', system-ui, sans-serif;

  --max-width: 1100px;
  --max-width-article: 800px;
}

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

body {
  font-family: var(--font-jp);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-article {
  max-width: var(--max-width-article);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- ボタン ---- */
.btn {
  display: inline-block;
  padding: 0.85em 2em;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  min-height: 44px;
  line-height: 1.4;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: #c45f43;
  transform: translateY(-2px);
}
.btn-outline {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ---- ヘッダー ---- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(250, 250, 245, 0.96);
  backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.logo-icon {
  width: 36px;
  height: 36px;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-jp {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-brown);
}
.logo-en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--color-text-soft);
  letter-spacing: 0.18em;
  margin-top: 2px;
}
.nav {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}
.nav a {
  font-size: 0.95rem;
  position: relative;
  padding: 0.3em 0;
  transition: color 0.3s;
}
.nav a:hover,
.nav a.is-active {
  color: var(--color-accent);
}

/* ハンバーガー（スマホ） */
.hamburger {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 10px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: all 0.3s;
}
.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- セクション共通 ---- */
section {
  padding: 4rem 0;
}
.section-en {
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 2.5rem;
}
.section-title::after {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--color-accent);
  margin: 1rem auto 0;
}

/* ---- ヒーロー ---- */
.hero {
  background: linear-gradient(180deg, #fdf9f3 0%, #fafaf5 100%);
  padding: 4rem 0 3rem;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-text h1 {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--color-brown);
  margin-bottom: 1.5rem;
}
.hero-text h1 .highlight {
  color: var(--color-accent);
}
.hero-text p {
  font-size: 1rem;
  color: var(--color-text-soft);
  line-height: 2;
  margin-bottom: 2rem;
}
.hero-image {
  border-radius: 4px;
  overflow: hidden;
}
.hero-image img {
  width: 100%;
  height: auto;
}

/* ---- 「このブログでわかること」 ---- */
.benefits {
  background: var(--color-bg-soft);
}
.benefits-list {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: #fff;
  padding: 1.2rem 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--color-line);
  font-size: 1rem;
  line-height: 1.7;
}
.benefit-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-top: 2px;
}

/* ---- カテゴリカード ---- */
.categories {
  background: var(--color-bg);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.category-card {
  display: block;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(60, 50, 40, 0.08);
  border-color: var(--color-accent-soft);
}
.category-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
}
.category-icon-swallowing { background: var(--color-cat-swallowing); }
.category-icon-kotoba { background: var(--color-cat-kotoba); color: var(--color-brown); }
.category-icon-career { background: var(--color-cat-career); }
.category-card h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
  letter-spacing: 0.05em;
  color: var(--color-brown);
}
.category-card p {
  font-size: 0.88rem;
  color: var(--color-text-soft);
  line-height: 1.8;
}

/* ---- 記事カード ---- */
.posts {
  background: var(--color-bg-soft);
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.post-card {
  display: block;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(60, 50, 40, 0.08);
}
.post-card-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #fce8df 0%, #f5d0c5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  color: #fff;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
}
.post-card-thumb-swallowing {
  background: linear-gradient(135deg, #f0c5b3 0%, #e8a994 100%);
}
.post-card-thumb-kotoba {
  background: linear-gradient(135deg, #fce8df 0%, #f5d0c5 100%);
}
.post-card-thumb-career {
  background: linear-gradient(135deg, #b5a695 0%, #8a7868 100%);
}
.post-card-body {
  padding: 1.2rem 1.4rem 1.5rem;
}
.post-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.25em 0.8em;
  border-radius: 999px;
  margin-bottom: 0.7rem;
  color: #fff;
}
.tag-swallowing { background: var(--color-cat-swallowing); }
.tag-kotoba { background: var(--color-cat-kotoba); color: var(--color-brown); }
.tag-career { background: var(--color-cat-career); }

.post-card h3 {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 0.6rem;
  color: var(--color-brown);
}
.post-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-soft);
  display: flex;
  gap: 0.8rem;
}

/* ---- ランキング ---- */
.ranking {
  background: var(--color-bg);
}
.ranking-list {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 0.8rem;
}
.ranking-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #fff;
  padding: 1rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--color-line);
  transition: all 0.3s;
}
.ranking-item:hover {
  border-color: var(--color-accent-soft);
  transform: translateX(4px);
}
.ranking-num {
  font-family: var(--font-en);
  font-size: 1.6rem;
  color: var(--color-accent);
  width: 36px;
  flex-shrink: 0;
  text-align: center;
}
.ranking-item h3 {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-brown);
}

/* ---- プロフィールCTA ---- */
.profile-cta {
  background: var(--color-bg-soft);
}
.profile-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}
.profile-cta-image {
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-line);
}
.profile-cta-image img {
  width: 100%;
  height: auto;
}
.profile-cta-text h2 {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--color-brown);
}
.profile-cta-text p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  line-height: 2;
  margin-bottom: 1.5rem;
}

/* ---- ページタイトル（下層共通） ---- */
.page-header {
  background: linear-gradient(180deg, #fdf9f3 0%, #fafaf5 100%);
  padding: 4rem 0 3rem;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
}
.page-header h1 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-brown);
  margin-bottom: 0.5rem;
}
.page-header p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

/* ---- 記事ページ ---- */
.article {
  padding: 3rem 0 4rem;
}
.article-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 1.5rem;
}
.article-header h1 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--color-brown);
  margin: 0.6rem 0 1rem;
}
.article-meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.85rem;
  color: var(--color-text-soft);
  flex-wrap: wrap;
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* 目次 */
.toc {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 1.5rem 1.8rem;
  margin: 2rem 0 2.5rem;
}
.toc-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--color-brown);
  letter-spacing: 0.05em;
}
.toc ul {
  list-style: none;
  padding-left: 0;
}
.toc li {
  margin: 0.4rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
}
.toc li.toc-h3 {
  padding-left: 1.2rem;
  font-size: 0.85rem;
}
.toc a {
  color: var(--color-text-soft);
  border-bottom: 1px dotted transparent;
  transition: all 0.2s;
}
.toc a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* 記事本文 */
.article-body {
  font-size: 1rem;
  line-height: 2;
}
.article-body h2 {
  font-size: 1.35rem;
  font-weight: 500;
  margin: 2.5rem 0 1rem;
  padding-left: 0.8rem;
  border-left: 4px solid var(--color-accent);
  color: var(--color-brown);
  scroll-margin-top: 80px;
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 2rem 0 0.8rem;
  color: var(--color-brown);
  scroll-margin-top: 80px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 0.4rem;
}
.article-body p {
  margin: 1rem 0;
}
.article-body a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent-soft);
}
.article-body ul, .article-body ol {
  margin: 1rem 0 1rem 1.5rem;
}
.article-body li {
  margin: 0.4rem 0;
}
.article-body blockquote {
  border-left: 3px solid var(--color-accent-soft);
  background: var(--color-bg-soft);
  padding: 1rem 1.4rem;
  margin: 1.5rem 0;
  color: var(--color-text-soft);
}
.article-body code {
  background: var(--color-bg-soft);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.92em;
}

/* 関連記事 */
.related-posts {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-line);
}
.related-posts-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--color-brown);
  letter-spacing: 0.05em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

/* About ページ */
.about-section {
  padding: 4rem 0;
}
.about-content {
  max-width: 720px;
  margin: 0 auto;
}
.about-content p {
  margin: 1.2rem 0;
  font-size: 1rem;
  line-height: 2;
}
.about-content strong {
  color: var(--color-accent);
  font-weight: 500;
}
.about-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}
.about-number {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 1.5rem 1rem;
  text-align: center;
}
.about-number-value {
  font-family: var(--font-en);
  font-size: 2rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}
.about-number-label {
  font-size: 0.8rem;
  color: var(--color-text-soft);
  margin-top: 0.5rem;
  letter-spacing: 0.08em;
}
.about-disclaimer {
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-accent-soft);
  padding: 1rem 1.4rem;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  margin-top: 2rem;
}

/* お問い合わせページ */
.contact-section {
  padding: 4rem 0;
}
.contact-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.contact-content p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-soft);
  margin: 1.5rem 0;
}

/* 法務ページ */
.legal-section {
  padding: 3rem 0 4rem;
}
.legal-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 2;
}
.legal-content h2 {
  font-size: 1.15rem;
  font-weight: 500;
  margin: 2rem 0 0.8rem;
  color: var(--color-brown);
  border-left: 3px solid var(--color-accent);
  padding-left: 0.8rem;
}
.legal-content p {
  margin: 0.8rem 0;
}
.legal-content ul {
  margin: 0.8rem 0 0.8rem 1.5rem;
}

/* ---- フッター ---- */
.site-footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-line);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 3rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-line);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
.footer-logo {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  color: var(--color-brown);
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  line-height: 1.8;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
}
.footer-nav-block-title {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  margin-bottom: 0.6rem;
}
.footer-nav a {
  display: block;
  font-size: 0.88rem;
  color: var(--color-text-soft);
  padding: 0.3em 0;
  transition: color 0.3s;
}
.footer-nav a:hover {
  color: var(--color-accent);
}
.copyright {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-soft);
  letter-spacing: 0.1em;
  margin-top: 1.2rem;
}

/* ---- レスポンシブ：タブレット以下 ---- */
@media (max-width: 900px) {
  .hero-inner,
  .profile-cta-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-image,
  .profile-cta-image {
    order: -1;
    max-width: 420px;
    margin: 0 auto;
  }
  .category-grid,
  .post-grid,
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ---- レスポンシブ：スマホ ---- */
@media (max-width: 640px) {
  section {
    padding: 3rem 0;
  }
  .hero {
    padding: 2.5rem 0;
  }
  .hamburger {
    display: block;
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 4px 12px rgba(60, 50, 40, 0.08);
  }
  .nav.is-open {
    display: flex;
  }
  .nav a {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-line);
    width: 100%;
  }
  .nav a:last-child {
    border-bottom: none;
  }
  .category-grid,
  .post-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }
  .about-numbers {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .article-body h2 {
    font-size: 1.2rem;
  }
  .article-body h3 {
    font-size: 1.05rem;
  }
  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }
}