:root {
  --color-bg: #f8f5ee;
  --color-text: #333333;
  --color-muted: #777777;
  --color-main: #6f8fa8;
  --color-accent: #d8a48f;
  --color-card: #ffffff;
  --color-border: #e8dfd2;

  --font-body: "Noto Sans JP", sans-serif;
  --font-title: "Noto Serif JP", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.8;
  letter-spacing: 0.03em;
}

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

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

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

.site-header {
  padding: 24px 20px;
  background: rgba(248, 245, 238, 0.95);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.site-logo__mark {
  color: var(--color-accent);
}

.site-logo__text {
  font-size: 16px;
}

/* =========================
   Navigation
========================= */

.global-nav__list {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.global-nav__list a {
  font-size: 14px;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.global-nav__list a:hover {
  color: var(--color-main);
}

/* =========================
   Hero
========================= */

.hero {
  position: relative;
  padding: 80px 20px 160px;
  text-align: center;
  background-image:
    linear-gradient(
      rgba(248, 245, 238, 0.45),
      rgba(248, 245, 238, 0.78)
    ),
    url("../images/hero-polar-bear.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  top: 160px;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 4px 24px;
  border-radius: 28px;
  background: rgba(248, 245, 238, 0.62);
  backdrop-filter: blur(3px);
}

.hero__catch {
  margin: 0 0 16px;
  color: var(--color-main);
  font-size: 14px;
  letter-spacing: 0.12em;
}

.hero__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.4;
  font-weight: 600;
}

.hero__subtitle {
  margin: 20px 0 0;
  color: var(--color-muted);
  font-size: 15px;
}

/* =========================
   Common Section
========================= */

.section {
  padding: 56px 20px;
}

.section__inner {
  max-width: 1040px;
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: 720px;
}

.section-title {
  margin: 0 0 32px;
  text-align: center;
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 600;
}

.section-divider {
  margin: 8px auto;
  text-align: center;
  color: var(--color-accent);
  letter-spacing: 0.4em;
}

/* =========================
   Recent Update
========================= */

.recent-posts__list {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(80, 60, 40, 0.06);
}

.recent-post {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.recent-post:last-child {
  border-bottom: none;
}

.recent-post__date {
  color: var(--color-muted);
  font-size: 14px;
}

.recent-post__title {
  font-weight: 600;
}

.recent-post__title:hover {
  color: var(--color-main);
}

/* =========================
   Main Contents Cards
========================= */

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.content-card {
  position: relative;
  display: block;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 12px 32px rgba(80, 60, 40, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: visible;
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(80, 60, 40, 0.1);
}

..content-card__image {
  height: 140px;
  border-radius: 18px;
  overflow: hidden;
  background: #f3ede3;
  margin-bottom: 18px;
}

.content-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.content-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.content-card__popup {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 64px;
  z-index: 5;

  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 14px 16px;

  box-shadow: 0 16px 32px rgba(80, 60, 40, 0.14);

  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.content-card:hover .content-card__popup {
  opacity: 1;
  transform: translateY(0);
}

.content-card__popup p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

.content-card__link {
  display: inline-block;
  margin-top: 8px;
  color: var(--color-main);
  font-size: 14px;
  font-weight: 700;
}

/* =========================
   About
========================= */

.about-section p {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 12px 32px rgba(80, 60, 40, 0.06);
  text-align: center;
}

/* =========================
   Post List
========================= */

.post-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: 0 12px 32px rgba(80, 60, 40, 0.06);
}

.post-card h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.post-card h2 a:hover {
  color: var(--color-main);
}

.post-card__date {
  margin: 0 0 12px;
  color: var(--color-muted);
  font-size: 14px;
}

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

/* =========================
   Single / Page
========================= */

.archive-title,
.page-content__title,
.single-post__title {
  margin: 0 0 32px;
  font-family: var(--font-title);
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.4;
}

.single-post__date {
  color: var(--color-muted);
}

.single-post__content,
.page-content__body {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 12px 32px rgba(80, 60, 40, 0.06);
}

.single-post__content p,
.page-content__body p {
  margin-top: 0;
  margin-bottom: 1.6em;
}

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

.site-footer {
  padding: 48px 20px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}

.site-footer__inner {
  max-width: 720px;
  margin: 0 auto;
}

.site-footer__title {
  color: var(--color-text);
  font-weight: 700;
}

.site-footer__copy {
  margin-top: 24px;
  font-size: 12px;
}

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

.pagination {
  margin-top: 32px;
  text-align: center;
}

/* =========================
   スマホだけ改行
========================= */
.sp-only {
  display: none;
}

/* =========================
   Smartphone
========================= */

@media (max-width: 800px) {
  .site-header__inner {
    display: block;
  }

  .site-logo {
    margin-bottom: 16px;
  }

  .global-nav {
    overflow-x: auto;
  }

  .global-nav__list {
    width: max-content;
    gap: 16px;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 680px;
    padding: 64px 20px 200px;
    background-position: center top;
    overflow: visible;
  }

  .hero__inner {
    top: 100px;
    margin: 0 auto;
    padding: 14px 18px;
    border-radius: 20px;
  }

  .hero__catch {
  font-size: 12px;
  line-height: 1.6;
  white-space: normal;
  letter-spacing: 0.06em;
  }

  .hero__title {
    font-size: 26px;
    line-height: 1.6;
    white-space: normal;
  }

  .hero__subtitle {
    font-size: 13px;
    line-height: 1.5;
  }

  .section {
    padding: 44px 20px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .content-card__popup {
    position: static;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    box-shadow: none;
    margin: 12px 0;
    background: #fbf8f1;
  }

  .recent-post {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .single-post__content,
  .page-content__body {
    padding: 24px;
  }

  .blog-list {
  padding: 4px 20px;
}

.blog-list-item {
  padding: 20px 0;
}

.blog-list-item__title {
  font-size: 20px;
}

.sp-only {
  display: block;
}

}


/* =========================
   Blog / Daily Report List Page
========================= */

.blog-list-header {
  text-align: center;
  margin-bottom: 40px;
}

.blog-list-description {
  margin: 0 auto;
  color: var(--color-muted);
  line-height: 1.8;
}

.blog-list {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 8px 32px;
  box-shadow: 0 12px 32px rgba(80, 60, 40, 0.06);
}

.blog-list-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.blog-list-item:last-child {
  border-bottom: none;
}

.blog-list-item__date {
  display: block;
  margin-bottom: 6px;
  color: var(--color-muted);
  font-size: 14px;
}

.blog-list-item__title {
  margin: 0;
  font-size: 22px;
  line-height: 1.5;
}

.blog-list-item__title a {
  color: var(--color-text);
  transition: color 0.2s ease;
}

.blog-list-item__title a:hover {
  color: var(--color-main);
}