/* blog=============================================== */
*{
  box-sizing: border-box;
}

body{
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: #f3f3f3;
  color: #222;
  line-height: 1.8;
  font-size: 14px;
}

a{
  color: #2a5db0;
  text-decoration: underline;
}

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

.blog-header{
  background: #ffffff;
  border-bottom: 1px solid #d8d8d8;
}

.blog-header-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-logo{
  font-size: 22px;
  font-weight: bold;
  color: #333;
  text-decoration: none;
}

.blog-top-nav{
  display: flex;
  gap: 16px;
}

.blog-top-nav a{
  font-size: 13px;
  text-decoration: none;
  color: #444;
}

.blog-layout{
  max-width: 1100px;
  margin: 24px auto 60px;
  padding: 0 18px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  align-items: start;
}

.blog-sidebar{
  min-width: 0;
}

.blog-main{
  min-width: 0;
}

.side-box,
.content-box{
  background: #fff;
  border: 1px solid #d9d9d9;
  padding: 16px;
}

.side-box + .side-box{
  margin-top: 16px;
}

.profile-icon-wrap{
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.profile-icon{
  width: 90px;
  height: 90px;
  object-fit: cover;
  border: 1px solid #ccc;
  background: #eee;
}

.profile-name{
  margin: 0;
  font-size: 20px;
  text-align: center;
}

.profile-id{
  margin: 4px 0 12px;
  text-align: center;
  color: #666;
  font-size: 12px;
}

.profile-meta p,
.profile-text{
  margin: 0 0 8px;
  font-size: 13px;
  color: #444;
}

.side-box h2{
  margin: 0 0 10px;
  font-size: 16px;
  padding-bottom: 6px;
  border-bottom: 1px solid #ddd;
}

.side-box ul{
  list-style: none;
  margin: 0;
  padding: 0;
}

.side-box li{
  margin-bottom: 8px;
}

.section-title{
  margin: 0 0 18px;
  font-size: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid #ddd;
}

.post-summary{
  padding: 0 0 16px;
  margin: 0 0 16px;
  border-bottom: 1px solid #e3e3e3;
}

.post-summary:last-child{
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.post-date{
  margin: 0 0 6px;
  color: #777;
  font-size: 12px;
}

.post-summary h3{
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: bold;
}

.post-summary h3 a{
  text-decoration: none;
  color: #222;
}

.post-excerpt{
  margin: 0;
  color: #444;
}

.post-detail .post-title{
  margin: 0 0 18px;
  font-size: 30px;
  line-height: 1.4;
}

.post-body p{
  margin: 0 0 16px;
}

.post-footer-nav{
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid #ddd;
}

.blog-footer{
  text-align: center;
  color: #777;
  padding: 24px 0 40px;
  font-size: 12px;
}

@media (max-width: 860px){
  .blog-layout{
    grid-template-columns: 1fr;
  }

  .blog-header-inner{
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .blog-top-nav{
    flex-wrap: wrap;
  }
}