/*
Theme Name: pc3
Version: 1.0.0
Text Domain: pc3
*/

:root{
  --bg:#ffffff;
  --text:#334155;
  --muted:#64748b;
  --line:#e5e7eb;

  --pink:#fbcfe8;
  --purple:#ddd6fe;
  --blue:#bfdbfe;
  --green:#bbf7d0;
  --yellow:#fde68a;

  --link:#6366f1;
  --container:800px;
  --radius:18px;

  --shadow:0 12px 30px rgba(15,23,42,.10);

  --font:system-ui,-apple-system,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
}

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

html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:var(--font);
  line-height:1.9;
  color:var(--text);
  background:
    radial-gradient(700px 320px at 0% 0%, rgba(251,207,232,.85), transparent 60%),
    radial-gradient(700px 320px at 100% 0%, rgba(191,219,254,.85), transparent 60%),
    radial-gradient(720px 340px at 50% 100%, rgba(187,247,208,.85), transparent 60%),
    var(--bg);
}

img,svg,video,canvas{
  max-width:100%;
  height:auto;
  display:block;
}

a{
  color:var(--link);
  text-decoration-thickness:.08em;
  text-underline-offset:.18em;
}
a:hover{ text-decoration:underline; }

.container{
  width:min(var(--container), 100% - 2rem);
  margin-inline:auto;
}

.site{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

.site-main{
  flex:1;
  padding:2.5rem 0 4rem;
}

/* header / breadcrumbs */
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(10px);
}

.header-inner{
  padding:1.25rem 0 .9rem;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:1rem;
}

.brand{ display:flex; flex-direction:column; gap:.2rem; }

.site-title{
  margin:0;
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:.01em;
}
.site-title a{ color:inherit; text-decoration:none; }

.site-description{
  margin:0;
  color:var(--muted);
  font-size:.92rem;
}

.primary-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:.5rem;
}
.primary-nav a{
  display:inline-flex;
  padding:.45rem .8rem;
  border-radius:999px;
  background:var(--purple);
  color:#3730a3;
  text-decoration:none;
  font-size:.92rem;
  border:1px solid rgba(255,255,255,.6);
}
.primary-nav a:hover{ background:var(--pink); }
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a{
  background:var(--yellow);
  color:#78350f;
}

.breadcrumbs{
  border-top:1px solid rgba(229,231,235,.7);
  padding:.55rem 0;
  font-size:.88rem;
  color:var(--muted);
}
.breadcrumbs a{ color:inherit; text-decoration:none; }
.breadcrumbs a:hover{ text-decoration:underline; }
.breadcrumbs .sep{ margin:0 .45rem; opacity:.8; }
.breadcrumbs .current{ color:#475569; }

/* cards / layout */
.card{
  background:rgba(255,255,255,.86);
  border:1px solid rgba(229,231,235,.85);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.card-inner{ padding:1.6rem; }

.post{ margin:0 0 1.6rem; }

.layout{
  display:grid;
  gap:1.6rem;
}
@media (min-width: 900px){
  .layout{ grid-template-columns: 1fr 280px; }
}

/* post meta */
.post-topmeta{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem .55rem;
  align-items:center;
  color:var(--muted);
  font-size:.9rem;
  margin-bottom:.7rem;
}
.meta-dot{ opacity:.65; }

/* headings */
.entry-title{
  margin:0 0 1rem;
  font-size:clamp(1.45rem, 3.2vw, 2rem);
  line-height:1.25;
  letter-spacing:-.01em;
}

.entry-content{
  font-size:1.02rem;
}

.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5{
  line-height:1.25;
  margin:2.2rem 0 .8rem;
  letter-spacing:-.01em;
}

.entry-content h1{ font-size:1.7rem; }
.entry-content h2{
  font-size:1.4rem;
  background:linear-gradient(transparent 62%, rgba(191,219,254,.85) 0);
  display:inline;
  padding:0 .15em;
  border-radius:8px;
}
.entry-content h3{
  font-size:1.18rem;
  border-left:6px solid rgba(221,214,254,.95);
  padding-left:.6rem;
}
.entry-content h4{ font-size:1.06rem; color:#334155; }
.entry-content h5{ font-size:1rem; color:#475569; }

.entry-content p{ margin:1.05rem 0; }

/* thumbnail */
.post-thumbnail{
  margin:0 0 1.25rem;
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(229,231,235,.85);
}
.post-thumbnail img{ width:100%; height:auto; }

/* lists */
.entry-content ul,
.entry-content ol{
  margin:1rem 0;
  padding-left:1.25rem;
}
.entry-content li{ margin:.35rem 0; }
.entry-content ul li::marker{ color:#94a3b8; }

/* table */
.entry-content table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border:1px solid rgba(229,231,235,.9);
  border-radius:14px;
  background:rgba(255,255,255,.9);
}
.entry-content th,
.entry-content td{
  padding:.75rem .85rem;
  border-bottom:1px solid rgba(229,231,235,.8);
  vertical-align:top;
}
.entry-content th{
  text-align:left;
  background:linear-gradient(90deg, rgba(221,214,254,.55), rgba(251,207,232,.35));
}
.entry-content tr:last-child td{ border-bottom:0; }

/* blockquote / code */
.entry-content blockquote{
  margin:1.5rem 0;
  padding:1rem 1.15rem;
  border-radius:14px;
  background:linear-gradient(180deg, rgba(187,247,208,.7), rgba(251,207,232,.25));
  border:1px solid rgba(229,231,235,.85);
}
.entry-content code{
  font-family:var(--mono);
  font-size:.95em;
  background:rgba(15,23,42,.06);
  padding:.15em .35em;
  border-radius:10px;
}
.entry-content pre{
  overflow:auto;
  padding:1rem 1.1rem;
  border-radius:16px;
  background:#0b1020;
  color:#e5e7eb;
}
.entry-content pre code{
  background:transparent;
  padding:0;
  color:inherit;
}

/* pagination: 1 2 3 */
.pagination{
  margin:1.2rem 0 0;
}
.pagination ul{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap:.45rem;
  justify-content:center;
}
.pagination a,
.pagination span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:2.2rem;
  height:2.2rem;
  padding:0 .65rem;
  border-radius:999px;
  border:1px solid rgba(229,231,235,.95);
  background:rgba(255,255,255,.85);
  text-decoration:none;
  color:#334155;
}
.pagination a:hover{
  background:var(--pink);
}
.pagination .current{
  background:var(--yellow);
  color:#78350f;
  border-color:rgba(245,158,11,.35);
}

/* sidebar widgets */
.widget-title{
  margin:0 0 .85rem;
  font-size:1rem;
  font-weight:800;
  letter-spacing:.01em;
}
.widget a{ color:inherit; }
.widget a:hover{ color:var(--link); }

/* footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:2.25rem 0;
  color:var(--muted);
  text-align:center;
  font-size:.9rem;
}

@media (max-width: 720px){
  .header-inner{ flex-direction:column; align-items:flex-start; }
  .primary-nav ul{ justify-content:flex-start; }
  .card-inner{ padding:1.25rem; }
  .site-main{ padding:2rem 0 3.2rem; }
}