/* =========================================================
   OSA Records theme — main.css
   編集的ダークテーマ。黒地 × オフホワイト × アクセントのライム。
   ========================================================= */

:root{
	--bg:        #0d0d0f;
	--bg-alt:    #141418;
	--surface:   #1b1b21;
	--line:      #2a2a31;
	--text:      #f2f2f0;
	--muted:     #9a9aa3;
	--accent:    #c8ff00;   /* ライム */
	--accent-ink:#0d0d0f;
	--radius:    14px;
	--wrap:      1140px;
	--pad:       clamp(20px, 5vw, 48px);
	--font-jp:   "Noto Sans JP", system-ui, sans-serif;
	--font-en:   "Space Grotesk", var(--font-jp);
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
	margin:0;
	background:var(--bg);
	color:var(--text);
	font-family:var(--font-jp);
	font-weight:400;
	line-height:1.8;
	letter-spacing:.01em;
	-webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
a:hover{ opacity:.85; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }
.wrap-narrow{ max-width:760px; }
.text-right{ text-align:right; }

/* ---------- Header ---------- */
.site-header{
	position:sticky; top:0; z-index:50;
	background:rgba(13,13,15,.82);
	backdrop-filter:saturate(140%) blur(10px);
	border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:66px; }
.brand{ display:inline-flex; align-items:baseline; gap:6px; font-family:var(--font-en); font-weight:700; letter-spacing:.02em; }
.brand-mark{ background:var(--accent); color:var(--accent-ink); padding:2px 8px; border-radius:6px; font-size:18px; }
.brand-name{ font-size:18px; }
.brand img{ max-height:40px; width:auto; }

.site-nav .nav-list{ display:flex; gap:26px; list-style:none; margin:0; padding:0; }
.nav-list a{ font-size:14px; color:var(--muted); font-weight:500; transition:color .2s; }
.nav-list a:hover{ color:var(--text); opacity:1; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ width:22px; height:2px; background:var(--text); transition:.25s; }

/* ---------- Buttons ---------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:13px 24px; border-radius:999px; font-weight:700; font-size:14px; transition:transform .15s, background .2s, border-color .2s; }
.btn:hover{ transform:translateY(-2px); opacity:1; }
.btn-primary{ background:var(--accent); color:var(--accent-ink); }
.btn-ghost{ border:1px solid var(--line); color:var(--text); }
.btn-ghost:hover{ border-color:var(--accent); }

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; border-bottom:1px solid var(--line);
	background:
		radial-gradient(60% 80% at 80% -10%, rgba(200,255,0,.12), transparent 60%),
		radial-gradient(50% 60% at 0% 110%, rgba(200,255,0,.06), transparent 60%),
		var(--bg);
}
.hero-inner{ padding-block:clamp(72px, 12vw, 140px); }
.hero-kicker{ font-family:var(--font-en); letter-spacing:.35em; color:var(--accent); font-size:12px; margin:0 0 18px; }
.hero-title{ font-size:clamp(40px, 8vw, 84px); line-height:1.05; font-weight:900; margin:0 0 24px; letter-spacing:-.01em; }
.hero-lead{ max-width:560px; color:var(--muted); font-size:clamp(15px,2.2vw,17px); margin:0 0 34px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

/* ---------- Sections ---------- */
.section{ padding-block:clamp(64px, 10vw, 108px); }
.section-alt{ background:var(--bg-alt); border-block:1px solid var(--line); }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:40px; flex-wrap:wrap; }
.section-title{ font-size:clamp(26px,4vw,38px); font-weight:900; margin:0; line-height:1.2; }
.section-title .en{ display:block; font-family:var(--font-en); font-size:13px; letter-spacing:.3em; color:var(--accent); font-weight:700; margin-bottom:10px; }
.section-more{ color:var(--muted); font-size:14px; font-weight:700; }
.section-more:hover{ color:var(--accent); opacity:1; }
.section-cta{ margin-top:40px; text-align:center; }
.empty-note{ color:var(--muted); border:1px dashed var(--line); border-radius:var(--radius); padding:28px; text-align:center; }

/* ---------- Works grid ---------- */
.works-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.work-card{ display:block; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .2s, border-color .2s; }
.work-card:hover{ transform:translateY(-4px); border-color:var(--accent); opacity:1; }
.work-thumb{ aspect-ratio:16/10; background:linear-gradient(135deg,#20202a,#131318); overflow:hidden; display:flex; align-items:center; justify-content:center; }
.work-thumb img{ width:100%; height:100%; object-fit:cover; }
.work-thumb-ph{ font-family:var(--font-en); font-weight:700; font-size:34px; color:#3a3a44; letter-spacing:.1em; }
.work-meta{ padding:16px 18px 20px; }
.work-cat{ display:inline-block; font-size:11px; letter-spacing:.08em; color:var(--accent); font-weight:700; margin-bottom:8px; }
.work-title{ font-size:16px; margin:0; line-height:1.5; }

/* ---------- Services ---------- */
.service-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.service-card{ position:relative; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:30px 26px; }
.service-card.featured{ border-color:var(--accent); box-shadow:0 0 0 1px var(--accent) inset; }
.service-card h3{ font-size:18px; margin:0 0 12px; }
.service-card .price{ font-family:var(--font-en); font-size:26px; font-weight:700; color:var(--accent); margin:0 0 12px; }
.service-card p:last-child{ color:var(--muted); font-size:14px; margin:0; }
.badge{ position:absolute; top:-11px; right:20px; background:var(--accent); color:var(--accent-ink); font-size:11px; font-weight:700; padding:4px 12px; border-radius:999px; }

/* ---------- About ---------- */
.about-inner{ display:grid; grid-template-columns:1.6fr 1fr; gap:48px; align-items:start; }
.about-text p{ color:var(--muted); }
.about-facts{ list-style:none; margin:0; padding:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.about-facts li{ display:flex; gap:16px; padding:16px 20px; border-bottom:1px solid var(--line); font-size:14px; }
.about-facts li:last-child{ border-bottom:0; }
.about-facts span{ color:var(--accent); font-weight:700; min-width:48px; }

/* ---------- Posts grid ---------- */
.posts-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.post-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .2s, border-color .2s; }
.post-card:hover{ transform:translateY(-4px); border-color:var(--accent); }
.post-thumb{ aspect-ratio:16/9; background:#17171d; overflow:hidden; }
.post-thumb img{ width:100%; height:100%; object-fit:cover; }
.post-card > a{ display:block; padding:0 0 20px; }
.post-date{ display:block; color:var(--accent); font-family:var(--font-en); font-size:12px; letter-spacing:.06em; padding:18px 20px 6px; }
.post-title{ font-size:17px; margin:0; padding:0 20px; line-height:1.5; }
.post-excerpt{ color:var(--muted); font-size:14px; padding:10px 20px 0; margin:0; }

/* ---------- Page / single ---------- */
.page-head{ padding-block:clamp(48px,8vw,84px); border-bottom:1px solid var(--line); margin-bottom:48px; }
.page-kicker{ font-family:var(--font-en); letter-spacing:.3em; color:var(--accent); font-size:12px; margin:0 0 10px; }
.page-title{ font-size:clamp(30px,6vw,52px); font-weight:900; margin:0; }
.entry{ padding-block:56px; }
.entry-head{ margin-bottom:28px; }
.entry-head .post-date{ padding:0; }
.entry-title{ font-size:clamp(28px,5vw,44px); font-weight:900; margin:.3em 0 0; line-height:1.25; }
.entry-hero{ border-radius:var(--radius); overflow:hidden; margin-bottom:36px; }
.entry-content{ font-size:16px; }
.entry-content > *{ margin-block:1.2em; }
.entry-content h2{ font-size:24px; font-weight:700; margin-top:1.8em; padding-top:.4em; border-top:1px solid var(--line); }
.entry-content h3{ font-size:19px; font-weight:700; }
.entry-content a{ color:var(--accent); text-decoration:underline; text-underline-offset:3px; }
.entry-content ul, .entry-content ol{ padding-left:1.4em; }
.entry-content blockquote{ border-left:3px solid var(--accent); margin-inline:0; padding-left:20px; color:var(--muted); }
.entry-content img{ border-radius:var(--radius); }
.entry-content code{ background:var(--surface); padding:2px 6px; border-radius:5px; font-size:.9em; }

.video-embed{ position:relative; aspect-ratio:16/9; border-radius:var(--radius); overflow:hidden; margin-bottom:36px; background:#000; }
.video-embed iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

.entry-nav{ display:flex; justify-content:space-between; gap:20px; border-top:1px solid var(--line); padding-top:28px; color:var(--muted); font-size:14px; }
.entry-nav a:hover{ color:var(--accent); opacity:1; }
.back-link{ padding-block:24px 60px; }
.back-link a{ color:var(--muted); font-weight:700; }
.back-link a:hover{ color:var(--accent); opacity:1; }

/* ---------- Filter chips ---------- */
.filter-nav{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px; }
.filter-chip{ border:1px solid var(--line); border-radius:999px; padding:8px 18px; font-size:13px; font-weight:700; color:var(--muted); }
.filter-chip.is-active,.filter-chip:hover{ background:var(--accent); color:var(--accent-ink); border-color:var(--accent); opacity:1; }

/* ---------- Pagination ---------- */
.pagination{ margin-top:48px; }
.pagination .nav-links{ display:flex; gap:8px; justify-content:center; flex-wrap:wrap; }
.pagination a,.pagination span{ min-width:42px; height:42px; display:inline-flex; align-items:center; justify-content:center; border:1px solid var(--line); border-radius:10px; font-family:var(--font-en); font-weight:700; }
.pagination .current{ background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--bg-alt); border-top:1px solid var(--line); margin-top:0; }
.footer-inner{ display:flex; justify-content:space-between; gap:30px; padding-block:52px; flex-wrap:wrap; }
.footer-tag{ color:var(--muted); margin:12px 0 0; font-size:14px; }
.footer-list{ display:flex; flex-wrap:wrap; gap:20px; list-style:none; margin:0; padding:0; font-size:14px; }
.footer-list a{ color:var(--muted); }
.footer-list a:hover{ color:var(--accent); opacity:1; }
.footer-bottom{ border-top:1px solid var(--line); padding-block:22px; color:var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width:900px){
	.works-grid,.service-grid,.posts-grid{ grid-template-columns:repeat(2,1fr); }
	.about-inner{ grid-template-columns:1fr; gap:32px; }
}
@media (max-width:640px){
	.nav-toggle{ display:flex; }
	.site-nav{ position:absolute; inset:66px 0 auto; background:var(--bg); border-bottom:1px solid var(--line); transform:translateY(-140%); transition:transform .3s; }
	.site-nav.is-open{ transform:translateY(0); }
	.site-nav .nav-list{ flex-direction:column; gap:0; padding:var(--pad); }
	.site-nav .nav-list li{ border-bottom:1px solid var(--line); }
	.site-nav .nav-list a{ display:block; padding:16px 0; font-size:16px; color:var(--text); }
	.works-grid,.service-grid,.posts-grid{ grid-template-columns:1fr; }
	.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
	.nav-toggle.is-open span:nth-child(2){ opacity:0; }
	.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
}

/* ---------- 静的サイト用の追加 ---------- */
.contact-box{ text-align:center; }
.contact-box .section-title{ margin-bottom:18px; }
.contact-box p{ color:var(--muted); margin:0 0 28px; }
.contact-box strong{ color:var(--text); }

.panel{ background:var(--bg-alt); border:1px solid var(--line); border-radius:var(--radius); padding:clamp(28px,5vw,44px); margin-block:clamp(48px,8vw,72px); }
.panel .section-title{ margin-bottom:24px; }

.section > .section-title{ margin-bottom:24px; }
.about-facts + .footer-tag{ margin-top:18px; }