/* shimadaminamientclinic.com - personal small blog
   Color tone: calm clinic-like pale teal + warm paper background */

:root{
  --bg: #f7f4ec;          /* warm paper */
  --paper: #ffffff;       /* content card */
  --ink: #24323a;         /* main text */
  --muted: #55656f;       /* secondary text */
  --brand: #2f7c87;       /* calm teal */
  --brand-2: #1f5f67;     /* darker teal */
  --line: #d9d3c8;        /* gentle border */
  --shadow: rgba(0,0,0,.05);
  --link: #2a6f7a;
  --link-visited: #5b5d86;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, sans-serif;
  color:var(--ink);
  background: linear-gradient(180deg, #eef7f7 0%, var(--bg) 55%);
  line-height:1.75;
}

.skip{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip:focus{
  left:12px;
  top:12px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow: 0 8px 24px var(--shadow);
}

.wrap{
  max-width: 920px;
  margin: 0 auto;
  padding: 18px 16px 44px;
}

header.site-header{
  background: radial-gradient(800px 220px at 30% 10%, rgba(47,124,135,.18), rgba(47,124,135,0) 60%),
              linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,255,255,.55));
  border:1px solid var(--line);
  border-radius: 14px;
  padding: 18px 16px 14px;
  box-shadow: 0 10px 26px var(--shadow);
}

.site-title{
  margin:0;
  font-size: 22px;
  letter-spacing:.02em;
}
.site-title a{
  color: var(--brand-2);
  text-decoration:none;
}
.site-subtitle{
  margin:6px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

nav.site-nav{
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  display:flex;
  flex-wrap:wrap;
  gap: 10px 14px;
}
nav.site-nav a{
  color: var(--link);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
nav.site-nav a:hover{
  border-color: rgba(47,124,135,.25);
  background: rgba(47,124,135,.06);
}

main{
  margin-top: 16px;
}

article{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 16px;
  box-shadow: 0 12px 30px var(--shadow);
}

article h1{
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--brand-2);
}
article h2{
  margin: 18px 0 8px;
  font-size: 16px;
  color: #2b3e46;
  padding-left: 10px;
  border-left: 4px solid rgba(47,124,135,.35);
}

.meta{
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 14px;
}

.note{
  background: #f3faf9;
  border: 1px solid rgba(47,124,135,.2);
  border-radius: 12px;
  padding: 12px 12px;
  color: #2c4650;
}

a{color: var(--link);}
a:visited{color: var(--link-visited);}

ul{
  padding-left: 1.2em;
}

.posts{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.posts li{
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fffdf8;
}
.posts a{
  text-decoration: none;
}
.posts a:hover{
  text-decoration: underline;
}
.posts .date{
  display:block;
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 2px;
}

footer{
  margin-top: 14px;
  color: var(--muted);
  font-size: 12.5px;
  padding: 10px 4px 0;
}

.hr{
  height:1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin: 16px 0;
}

@media (min-width: 740px){
  .wrap{padding: 22px 18px 56px;}
  header.site-header{padding: 22px 20px 16px;}
  article{padding: 22px 20px;}
  .site-title{font-size: 24px;}
  article h1{font-size: 22px;}
}