/*
Theme Name: Kawaii Diary
Theme URI: https://example.com/
Author: Yuka
Description: 可愛くなりたい日記用のオリジナルWordPressテーマ。美容ブログ・アフィリエイト記事向け。
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: kawaii-diary
*/

:root{
  --bg:#fffaf8;
  --card:#ffffff;
  --main:#f4a7b9;
  --main-dark:#dd7893;
  --sub:#fff1f4;
  --cream:#fff7e8;
  --text:#3f3335;
  --muted:#8c777b;
  --line:#f2d9df;
  --shadow:0 12px 30px rgba(222,120,147,.16);
  --radius:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fff7fb 0%,#fffaf8 45%,#fff 100%);
  line-height:1.9;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(255,250,248,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1080px;
  margin:0 auto;
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.logo{
  font-weight:800;
  letter-spacing:.04em;
  color:var(--main-dark);
  font-size:20px;
}
.nav-menu{display:flex;gap:16px;align-items:center;font-size:14px;color:var(--muted)}
.nav-menu a{padding:8px 10px;border-radius:999px}
.nav-menu a:hover{background:var(--sub);color:var(--main-dark)}

.wrap{max-width:1080px;margin:0 auto;padding:34px 18px 64px}
.hero{
  padding:46px 24px;
  border-radius:32px;
  background:
    radial-gradient(circle at top left,rgba(244,167,185,.24),transparent 38%),
    linear-gradient(135deg,#fff,#fff1f4 60%,#fff7e8);
  box-shadow:var(--shadow);
  text-align:center;
  margin-bottom:34px;
}
.hero-kicker{display:inline-block;background:#fff;color:var(--main-dark);border:1px solid var(--line);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:14px}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.35;margin:0 0 14px;letter-spacing:.03em}
.hero p{max-width:680px;margin:0 auto 22px;color:var(--muted)}
.btn-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 20px;
  border-radius:999px;
  font-weight:800;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 8px 18px rgba(222,120,147,.12);
}
.btn-primary{background:linear-gradient(135deg,var(--main),#f8c7d2);color:#fff;border:none}

.section-title{font-size:24px;margin:36px 0 16px;line-height:1.45}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
}
.card h2,.card h3{margin:0 0 8px;line-height:1.45}
.card p{margin:0;color:var(--muted);font-size:14px}
.article-list{display:grid;gap:16px}
.article-card{display:block;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:var(--shadow)}
.article-card .date{font-size:12px;color:var(--main-dark);font-weight:700}
.article-card h2{font-size:20px;margin:4px 0 6px;line-height:1.5}
.article-card p{margin:0;color:var(--muted);font-size:14px}

.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}
.post-content{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:30px;
  box-shadow:var(--shadow);
}
.post-content h1{font-size:clamp(26px,4vw,40px);line-height:1.45;margin:0 0 18px}
.post-content h2{font-size:24px;line-height:1.5;margin:42px 0 14px;padding-left:14px;border-left:5px solid var(--main)}
.post-content h3{font-size:19px;margin:28px 0 10px;color:var(--main-dark)}
.post-content p{margin:0 0 18px}
.post-content ul,.post-content ol{background:var(--sub);border-radius:18px;padding:18px 18px 18px 38px}
.post-content blockquote{margin:24px 0;padding:18px 20px;border-radius:18px;background:var(--cream);border-left:5px solid #f2c86b;color:#6d5a3d}
.post-content table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff;border-radius:18px;overflow:hidden;font-size:14px}
.post-content th,.post-content td{border:1px solid var(--line);padding:12px;vertical-align:top}
.post-content th{background:var(--sub);color:var(--main-dark)}
.post-content img{margin:22px auto;border-radius:22px;background:#fff;padding:8px;box-shadow:0 8px 22px rgba(0,0,0,.06)}

.toc-box,.side-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:18px;
  box-shadow:var(--shadow);
  position:sticky;
  top:86px;
}
.toc-box strong,.side-box strong{display:block;color:var(--main-dark);margin-bottom:10px}
.toc-box a{display:block;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted)}
.toc-box a:last-child{border-bottom:none}

.product-card{border:1px solid var(--line);border-radius:24px;padding:18px;background:#fff;margin:22px 0;box-shadow:var(--shadow)}
.product-card h3{margin-top:0}
.product-card .product-img{background:#fff;border-radius:20px;padding:14px;margin-bottom:14px;display:flex;justify-content:center;align-items:center}
.product-card .product-img img{box-shadow:none;margin:0;max-height:260px;object-fit:contain}
.rank-badge{display:inline-block;background:linear-gradient(135deg,var(--main),#f7c6d1);color:#fff;font-weight:800;border-radius:999px;padding:4px 12px;font-size:13px;margin-bottom:8px}

.site-footer{border-top:1px solid var(--line);background:#fff;padding:30px 18px;text-align:center;color:var(--muted);font-size:13px}

@media(max-width:820px){
  .header-inner{display:block;text-align:center}
  .nav-menu{justify-content:center;flex-wrap:wrap;margin-top:8px;gap:6px}
  .grid{grid-template-columns:1fr}
  .content-layout{grid-template-columns:1fr}
  .toc-box,.side-box{position:static}
  .post-content{padding:22px 18px;border-radius:24px}
  .hero{padding:36px 18px}
}