/* SUTEKINA JIKAN Blog 共通スタイル */
:root{
  color-scheme:light;
  --accent:#0D9488;--accent-2:#0D9488;--accent-soft:#EBF7F5;
  --grad:linear-gradient(92deg,var(--accent),var(--accent-2));
  --accent-rgb:13,148,136;
  --ink:#16181D;--gray:#5F6670;--line:#E8E9E7;--bg:#FFFFFF;--bg-alt:#FAFAF8;
  --wrap:1060px;--ease:cubic-bezier(.25,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.95;letter-spacing:.03em;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{text-wrap:balance;font-feature-settings:"palt" 1}
p{text-wrap:pretty}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ---- NAV（本体と同一） ---- */
#nav{position:fixed;inset:0 0 auto 0;z-index:100;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:box-shadow .3s;padding:18px 0}
#nav.scrolled{box-shadow:0 1px 0 var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between}
.logo{display:inline-flex;align-items:center}
.logo img{height:20px;width:auto;display:block}
footer .logo img{height:17px}
.nav-links{display:flex;gap:32px;align-items:center;list-style:none}
.nav-links a{font-weight:500;font-size:.78rem;letter-spacing:.2em;color:var(--gray);transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{background:var(--ink);color:#fff!important;font-weight:700;font-size:.8rem!important;padding:10px 24px;border-radius:100px;letter-spacing:.12em!important;transition:background .25s}
.nav-cta:hover{background:var(--accent)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 32px 28px;gap:20px;border-bottom:1px solid var(--line);box-shadow:0 22px 34px -22px rgba(22,24,29,.18)}
  .nav-links.open{display:flex}
}

/* ---- 見出しラベル・リビール ---- */
.lbl-wrap{text-align:center;margin-bottom:22px}
.lbl{display:inline-block;font-weight:700;font-size:1.3rem;letter-spacing:.44em;padding:0 0 10px .44em;border-bottom:2px solid var(--ink)}
.sec-sub{text-align:center;font-size:.94rem;color:var(--gray);letter-spacing:.1em}
.reveal{opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.88rem;letter-spacing:.1em;padding:15px 36px;border-radius:100px;transition:background .25s var(--ease),color .25s,border-color .25s,box-shadow .25s}
.btn-fill{background:var(--accent);color:#fff}
.btn-fill:hover{box-shadow:0 12px 26px -14px rgba(var(--accent-rgb),.7)}
.btn-line{border:1.5px solid var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}

/* ---- ブログ一覧 ---- */
.page-head{padding:170px 0 64px;text-align:center}
.blog-list{padding:0 0 120px}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:820px){.post-grid{grid-template-columns:1fr}}
.post-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 28px 26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.post-card:hover{transform:translateY(-3px);box-shadow:0 18px 36px -22px rgba(22,24,29,.16);border-color:rgba(var(--accent-rgb),.55)}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.post-date{font-size:.74rem;color:#9AA3AC;letter-spacing:.08em}
.post-tag{font-weight:700;font-size:.6rem;letter-spacing:.18em;color:var(--accent);background:var(--accent-soft);border-radius:100px;padding:4px 12px}
.post-card h3{margin-top:14px;font-weight:700;font-size:1rem;line-height:1.75;letter-spacing:.04em}
.post-card p{margin-top:10px;font-size:.84rem;color:var(--gray);line-height:1.95;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-empty{grid-column:1/-1;text-align:center;color:#B0B6BD;font-size:.86rem;padding:36px 0}

/* ---- 記事ページ ---- */
.crumb{padding:130px 0 0;font-size:.74rem;color:#9AA3AC;letter-spacing:.06em}
.crumb ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap}
.crumb li:not(:last-child)::after{content:"›";margin-left:8px;color:#C4C8CC}
.crumb a:hover{color:var(--accent)}
.post{max-width:760px;margin:0 auto;padding:34px 32px 90px}
.post-head h1{font-weight:900;font-size:clamp(1.5rem,3.4vw,2.1rem);line-height:1.7;letter-spacing:.05em;margin-top:18px}
.post-body{margin-top:44px}
.post-body h2{font-weight:700;font-size:1.22rem;letter-spacing:.05em;line-height:1.7;margin:56px 0 20px;padding-left:14px;border-left:3px solid var(--accent)}
.post-body h3{font-weight:700;font-size:1.05rem;letter-spacing:.04em;margin:40px 0 14px}
.post-body p{margin:0 0 22px;font-size:.95rem;color:#2C3238;line-height:2.1}
.post-body ul,.post-body ol{margin:0 0 22px;padding-left:24px}
.post-body li{margin-bottom:8px;font-size:.95rem;color:#2C3238;line-height:2}
.post-body a{color:var(--accent);font-weight:500;border-bottom:1px solid rgba(var(--accent-rgb),.4)}
.post-body strong{font-weight:700}
.post-body blockquote{margin:0 0 22px;padding:18px 22px;background:var(--bg-alt);border-left:3px solid var(--line);border-radius:0 10px 10px 0;color:var(--gray);font-size:.9rem}
.post-body img{border-radius:12px;margin:0 auto 22px}
.post-body code{background:var(--bg-alt);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-size:.84em}
.post-body pre{background:#1B1F24;color:#E8EAED;border-radius:12px;padding:20px 22px;overflow-x:auto;margin:0 0 22px;font-size:.84rem;line-height:1.8}
.post-body pre code{background:none;border:0;padding:0;color:inherit}
.post-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:.88rem}
.post-body th,.post-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.post-body th{background:var(--bg-alt);font-weight:700}

/* ---- 記事末尾CTA ---- */
.post-cta{margin-top:70px;padding:40px 36px;background:var(--accent-soft);border-radius:16px;text-align:center}
.post-cta h2{font-weight:900;font-size:1.2rem;letter-spacing:.08em}
.post-cta p{margin-top:12px;font-size:.86rem;color:var(--gray)}
.post-cta-links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:24px 0 26px}
.post-cta-links a{font-weight:700;font-size:.78rem;letter-spacing:.06em;color:var(--accent);background:#fff;border:1px solid rgba(var(--accent-rgb),.35);border-radius:100px;padding:9px 20px;transition:border-color .25s,box-shadow .25s}
.post-cta-links a:hover{border-color:var(--accent);box-shadow:0 8px 18px -12px rgba(var(--accent-rgb),.6)}
.post-back{display:block;max-width:760px;margin:0 auto;padding:0 32px 110px;font-weight:700;font-size:.82rem;letter-spacing:.08em;color:var(--gray)}
.post-back a:hover{color:var(--accent)}

/* ---- FOOTER（本体と同一） ---- */
footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:64px 0 0}
.ft-top{display:flex;justify-content:space-between;align-items:flex-start;gap:48px;flex-wrap:wrap;padding-bottom:52px}
.ft-tag{margin-top:12px;font-size:.8rem;color:var(--gray);letter-spacing:.08em}
.ft-nav{display:flex;gap:72px}
.ft-col{display:flex;flex-direction:column;gap:12px}
.ft-h{font-weight:700;font-size:.64rem;letter-spacing:.32em;color:#B0B6BD;text-transform:uppercase;margin-bottom:4px}
.ft-col a{font-size:.82rem;color:var(--gray);letter-spacing:.05em;transition:color .25s}
.ft-col a:hover{color:var(--accent)}
.ft-bottom{border-top:1px solid var(--line);padding:20px 0}
.ft-copy{font-size:.68rem;letter-spacing:.16em;color:#C4C8CC}
@media(max-width:640px){.ft-nav{gap:44px}.wrap{padding:0 22px}.page-head{padding:140px 0 48px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}