/* =========================================================
   硝子工房 透 — 固定ページ共通CSS（assets/css/_shared.css）
   トークンは SPEC.md §3 と同一。トップ（index.html）はインラインCSS。
   ========================================================= */
:root{
  --deep:#14333D; --deep2:#0E242C; --teal:#1D4350;
  --glass:#7FD4C4; --glass2:#BFEEE2;
  --ice:#F2F6F4; --ice2:#E4EDEA; --paper:#FBFDFC;
  --molten:#E2762F;
  --ink:#13282E; --bd:#3C5258; --muted:#7E938F;
  --line:#D6E2DE; --line-w:rgba(242,246,244,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--ice);color:var(--bd);font-family:'Zen Kaku Gothic New',sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased;}
img{max-width:100%;}
h1,h2,h3,.lead,summary{word-break:auto-phrase;text-wrap:balance;}
.mincho{font-family:'Shippori Mincho',serif;}
.mono{font-family:'Space Grotesk',monospace;letter-spacing:.04em;}
.l-in{width:min(1120px,calc(100% - 48px));margin:0 auto;}
.l-nr{width:min(840px,calc(100% - 48px));margin:0 auto;}
.c-eyebrow{font-family:'Space Grotesk',monospace;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--glass);display:inline-flex;align-items:center;gap:10px;}
.c-eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;border:2px solid currentColor;}
.c-h2{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(26px,3.6vw,40px);line-height:1.45;color:var(--ink);margin:14px 0 0;}
body.is-open{overflow:hidden;}

/* ===== header（ガラスピル＋シャッターメニュー：index と同一設計） ===== */
.c-hd{position:fixed;top:18px;left:0;right:0;z-index:60;display:flex;justify-content:center;transition:top .35s;pointer-events:none;}
.c-hd.is-shrink{top:8px;}
.c-hd__pill{pointer-events:auto;display:flex;align-items:center;gap:26px;padding:9px 12px 9px 20px;border-radius:60px;
  background:rgba(14,36,44,.58);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
  border:1px solid rgba(191,238,226,.22);box-shadow:0 20px 50px -22px rgba(8,22,27,.65);color:#fff;transition:padding .35s;}
.c-hd.is-shrink .c-hd__pill{padding-top:6px;padding-bottom:6px;}
.c-hd__logo{display:flex;align-items:center;text-decoration:none;}
.c-hd__logo img{height:40px;width:auto;display:block;}
.c-hd__nav{display:flex;gap:22px;}
.c-hd__nav a{color:rgba(242,246,244,.85);text-decoration:none;font-size:13.5px;font-weight:700;position:relative;transition:color .2s;}
.c-hd__nav a:hover{color:#fff;}
.c-hd__nav a::after{content:"";position:absolute;left:0;bottom:-5px;height:2px;width:0;background:var(--glass);transition:width .25s;}
.c-hd__nav a:hover::after,.c-hd__nav a[aria-current="page"]::after{width:100%;}
.c-hd__nav a[aria-current="page"]{color:#fff;}
.c-hd__cta{background:var(--glass);color:var(--deep2);font-weight:700;font-size:13px;padding:11px 22px;border-radius:40px;text-decoration:none;transition:.2s;white-space:nowrap;}
.c-hd__cta:hover{background:#fff;}
.c-hd__burger{display:none;position:relative;z-index:80;width:46px;height:46px;border:1.5px solid rgba(191,238,226,.5);border-radius:50%;background:transparent;cursor:pointer;flex:none;}
.c-hd__burger i{position:absolute;left:50%;top:50%;width:20px;height:2px;background:var(--glass2);transform:translate(-50%,-50%);transition:transform .4s,opacity .3s;}
.c-hd__burger i:nth-child(1){transform:translate(-50%,calc(-50% - 6px));}
.c-hd__burger i:nth-child(3){transform:translate(-50%,calc(-50% + 6px));}
body.is-open .c-hd__burger i:nth-child(1){transform:translate(-50%,-50%) rotate(45deg);}
body.is-open .c-hd__burger i:nth-child(2){opacity:0;}
body.is-open .c-hd__burger i:nth-child(3){transform:translate(-50%,-50%) rotate(-45deg);}
@media(max-width:900px){
  .c-hd__nav,.c-hd__cta{display:none;}
  .c-hd__burger{display:block;}
  .c-hd__pill{gap:14px;}
}
.c-sh{position:fixed;left:0;width:100%;height:50.5%;background:var(--deep2);z-index:65;transition:transform .65s cubic-bezier(.72,0,.18,1);}
.c-sh--t{top:0;transform:translateY(-101%);}
.c-sh--b{bottom:0;transform:translateY(101%);}
body.is-open .c-sh--t,body.is-open .c-sh--b{transform:translateY(0);}
.c-sh--t::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--line-w);}
.c-menu{position:fixed;inset:0;z-index:70;display:flex;align-items:center;visibility:hidden;}
body.is-open .c-menu{visibility:visible;}
.c-menu__in{max-width:1040px;margin:0 auto;width:100%;padding:0 44px;display:grid;grid-template-columns:1.4fr .8fr;gap:56px;align-items:center;}
.c-menu__list{list-style:none;margin:0;padding:0;}
.c-menu__list li{overflow:hidden;}
.c-menu__list a{display:flex;align-items:baseline;gap:20px;color:var(--ice);text-decoration:none;padding:9px 0;transform:translateY(110%);transition:transform .6s cubic-bezier(.22,1,.36,1);}
body.is-open .c-menu__list li:nth-child(1) a{transition-delay:.3s;}
body.is-open .c-menu__list li:nth-child(2) a{transition-delay:.38s;}
body.is-open .c-menu__list li:nth-child(3) a{transition-delay:.46s;}
body.is-open .c-menu__list li:nth-child(4) a{transition-delay:.54s;}
body.is-open .c-menu__list li:nth-child(5) a{transition-delay:.62s;}
body.is-open .c-menu__list li:nth-child(6) a{transition-delay:.7s;}
body.is-open .c-menu__list a{transform:translateY(0);}
.c-menu__no{font-family:'Space Grotesk',monospace;font-size:12px;letter-spacing:.2em;color:var(--glass);width:2.6em;flex:none;}
.c-menu__tx{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(30px,5.2vw,52px);letter-spacing:.06em;line-height:1.4;}
.c-menu__en{font-family:'Space Grotesk',monospace;font-size:10px;letter-spacing:.26em;color:var(--muted);}
.c-menu__list a:hover .c-menu__tx{color:var(--glass);}
.c-menu__side{color:var(--muted);font-size:12.5px;line-height:2.2;opacity:0;transition:opacity .6s ease .68s;}
body.is-open .c-menu__side{opacity:1;}
.c-menu__side b{color:var(--ice);display:block;font-size:13.5px;margin-bottom:4px;}
.c-menu__tel{font-family:'Space Grotesk',monospace;font-size:21px;color:var(--glass);letter-spacing:.04em;}
@media(max-width:880px){ .c-menu__in{grid-template-columns:1fr;gap:26px;} .c-menu__side{display:none;} }

/* ===== ページヒーロー（タイトル帯。FVではない） ===== */
.c-phero{position:relative;padding:150px 0 64px;background:
  linear-gradient(90deg,rgba(14,36,44,.9) 0%,rgba(20,51,61,.72) 48%,rgba(20,51,61,.38) 100%),
  linear-gradient(180deg,rgba(14,36,44,.18),rgba(14,36,44,.74)),
  var(--phero-img, url('../../src/studio.jpg')) center/cover no-repeat,
  linear-gradient(168deg,#1d4350 0%,#173742 55%,#102830 100%);color:var(--ice);overflow:hidden;}
.c-phero::before{content:"";position:absolute;inset:0;background:radial-gradient(46% 60% at 76% 30%, rgba(127,212,196,.16) 0%, transparent 62%);pointer-events:none;}
.c-phero::after{content:"";position:absolute;right:-60px;bottom:-110px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(191,238,226,.25);background:radial-gradient(circle at 36% 30%, rgba(191,238,226,.18), transparent 62%);}
.c-phero .l-in{position:relative;z-index:1;}
.c-phero__k{font-family:'Space Grotesk',monospace;font-size:11px;letter-spacing:.44em;color:var(--glass);text-transform:uppercase;}
.c-phero h1{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(30px,4.6vw,50px);line-height:1.5;letter-spacing:.06em;margin:14px 0 10px;}
.c-phero__lead{margin:0;color:rgba(242,246,244,.86);font-size:14.5px;letter-spacing:.08em;text-shadow:0 1px 18px rgba(0,0,0,.28);}
.c-phero__bc{margin-top:26px;font-size:11px;color:rgba(191,238,226,.68);font-family:'Space Grotesk',monospace;letter-spacing:.12em;}
.c-phero__bc a{color:var(--glass);text-decoration:none;}

/* ===== 汎用ページセクション ===== */
.c-sec{padding:84px 0;}
.c-sec--soft{background:var(--ice2);}
.c-sec--paper{background:var(--paper);}
.c-sec h2{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(23px,3vw,32px);color:var(--ink);margin:0 0 24px;padding-bottom:14px;border-bottom:1px solid var(--ink);}
.c-sec h3{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(18px,2.2vw,22px);color:var(--ink);margin:34px 0 10px;}
.c-sec p{margin:0 0 1.2em;font-size:15px;}
.c-sec .c-note{font-size:12.5px;color:var(--muted);}
.c-sec ul{padding-left:1.4em;margin:0 0 1.2em;}
.c-sec li{margin-bottom:.4em;font-size:14.5px;}
.c-figure{margin:0 0 26px;border-radius:6px;overflow:hidden;}
.c-figure img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;}
.c-figure--tall img{aspect-ratio:3/4;}
.c-figure figcaption{font-family:'Space Grotesk',monospace;font-size:10px;letter-spacing:.22em;color:var(--muted);padding:8px 2px 0;}
.c-2col{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
@media(max-width:780px){ .c-2col{grid-template-columns:1fr;gap:24px;} }

/* ブログ一覧・投稿 */
.c-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.c-post-card{display:flex;flex-direction:column;min-height:100%;padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff;text-decoration:none;color:var(--bd);transition:transform .24s,box-shadow .24s,border-color .24s;}
.c-post-card:hover{transform:translateY(-4px);box-shadow:0 22px 36px -28px rgba(19,40,46,.55);border-color:var(--glass);}
.c-post-card__meta,.c-post-meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-family:'Space Grotesk',monospace;font-size:10.5px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;}
.c-post-tag{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-weight:700;}
.c-post-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--glass);}
.c-post-card h2{font-family:'Shippori Mincho',serif;font-size:clamp(18px,2.3vw,24px);line-height:1.65;color:var(--ink);margin:14px 0 10px;border:0;padding:0;}
.c-post-card p{font-size:14px;margin:0;color:var(--muted);}
.c-post-card__more{margin-top:auto;padding-top:22px;font-family:'Space Grotesk',monospace;font-size:11px;letter-spacing:.22em;color:var(--molten);}
.c-post-article{padding:84px 0;background:var(--paper);}
.c-post-article__in{width:min(760px,calc(100% - 48px));margin:0 auto;}
.c-post-article h2{margin-top:46px;}
.c-post-article p{font-size:15.5px;line-height:2.05;}
.c-post-lead{font-family:'Shippori Mincho',serif;font-size:clamp(18px,2.4vw,23px);line-height:1.9;color:var(--ink);margin-bottom:34px;}
.c-post-nav{display:flex;justify-content:space-between;gap:18px;margin-top:56px;padding-top:26px;border-top:1px solid var(--line);}
.c-post-nav a{color:var(--teal);font-weight:700;text-decoration:none;}
.c-post-nav a:hover{color:var(--molten);}
@media(max-width:880px){ .c-blog-grid{grid-template-columns:1fr 1fr;} }
@media(max-width:620px){ .c-blog-grid{grid-template-columns:1fr;} .c-post-nav{flex-direction:column;} }

/* 罫線テーブル（料金・概要） */
.c-tbl{width:100%;border-collapse:collapse;margin:8px 0 26px;}
.c-tbl th,.c-tbl td{text-align:left;padding:14px 10px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top;}
.c-tbl th{font-family:'Space Grotesk',monospace;font-size:11px;letter-spacing:.18em;color:var(--muted);font-weight:500;white-space:nowrap;width:9em;}
.c-tbl td b{color:var(--ink);}
.c-tbl .c-tbl__price{font-family:'Shippori Mincho',serif;font-weight:700;color:var(--ink);white-space:nowrap;}

/* details/summary FAQ（JS不要） */
.c-qa{border-top:1px solid var(--ink);}
.c-qa details{border-bottom:1px solid var(--line);}
.c-qa summary{cursor:pointer;list-style:none;display:flex;gap:16px;align-items:baseline;padding:24px 6px;font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(15.5px,2vw,18px);color:var(--ink);}
.c-qa summary::-webkit-details-marker{display:none;}
.c-qa summary::before{content:"Q";font-family:'Space Grotesk',monospace;color:var(--teal);font-weight:700;flex:none;}
.c-qa summary::after{content:"＋";margin-left:auto;color:var(--molten);flex:none;transition:transform .3s;}
.c-qa details[open] summary::after{transform:rotate(45deg);}
.c-qa .c-qa__a{padding:0 6px 24px 2.2em;color:var(--muted);font-size:14px;margin:0;}

/* フォーム */
.c-form{display:grid;gap:18px;}
.c-form label{display:block;font-weight:700;font-size:13.5px;color:var(--ink);margin-bottom:6px;}
.c-form label small{font-weight:400;color:var(--molten);margin-left:8px;}
.c-form input,.c-form select,.c-form textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit;font-size:14.5px;color:var(--ink);}
.c-form input:focus,.c-form select:focus,.c-form textarea:focus{outline:2px solid var(--glass);border-color:var(--glass);}
.c-form button{justify-self:start;background:var(--deep);color:#fff;border:0;font:inherit;font-weight:700;font-size:15px;padding:15px 44px;border-radius:99px;cursor:pointer;transition:.25s;}
.c-form button:hover{background:var(--teal);}
.c-form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:680px){ .c-form__row{grid-template-columns:1fr;} }

/* ページ末尾CTA帯（簡易版） */
.c-pcta{padding:84px 0;background:var(--deep2);color:var(--ice);text-align:center;}
.c-pcta h2{font-family:'Shippori Mincho',serif;font-weight:700;font-size:clamp(22px,3vw,32px);margin:0 0 10px;color:var(--ice);}
.c-pcta p{margin:0 0 26px;color:rgba(242,246,244,.7);font-size:14px;}
.c-pcta__btn{display:inline-block;background:var(--glass);color:var(--deep2);font-weight:700;font-size:15px;padding:15px 44px;border-radius:99px;text-decoration:none;transition:transform .2s;}
.c-pcta__btn:hover{transform:translateY(-2px);}
.c-pcta__tel{display:block;margin-top:16px;font-family:'Space Grotesk',monospace;font-size:14px;color:var(--glass2);letter-spacing:.06em;}

/* ===== footer（footer-07 再実装：特大マーキーCTA帯） ===== */
.c-ft{background:var(--deep2);color:var(--ice);overflow:hidden;}
.c-ft__mq{display:block;text-decoration:none;color:var(--ice);padding:64px 0 58px;position:relative;border-bottom:1px solid var(--line-w);}
.c-ft__hint{position:absolute;top:26px;left:50%;transform:translateX(-50%);font-family:'Space Grotesk',monospace;font-size:10px;letter-spacing:.34em;color:var(--glass);white-space:nowrap;}
.c-ft__track{display:flex;width:max-content;animation:c-ft-run 18s linear infinite;}
.c-ft__mq:hover .c-ft__track{animation-play-state:paused;}
.c-ft__track span{display:flex;align-items:center;gap:34px;padding-right:34px;white-space:nowrap;
  font-family:'Space Grotesk',monospace;font-weight:700;font-size:clamp(64px,10vw,120px);letter-spacing:.01em;line-height:1;}
.c-ft__dot{width:20px;height:20px;border-radius:50%;background:var(--molten);flex:none;}
.c-ft__ol{color:transparent;-webkit-text-stroke:1.5px var(--ice);}
.c-ft__mq:hover .c-ft__ol{color:var(--glass);-webkit-text-stroke:1.5px var(--glass);}
.c-ft__sub{display:block;text-align:center;margin-top:34px;font-size:13.5px;color:var(--muted);padding:0 24px;}
.c-ft__sub b{color:var(--ice);border-bottom:1.5px solid var(--molten);padding-bottom:2px;margin:0 6px;}
@keyframes c-ft-run{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.c-ft__low{max-width:1240px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 28px 30px;flex-wrap:wrap;}
.c-ft__lg img{height:34px;width:auto;display:block;}
.c-ft__low nav{display:flex;gap:22px;flex-wrap:wrap;}
.c-ft__low nav a{color:var(--muted);text-decoration:none;font-size:12px;}
.c-ft__low nav a:hover{color:var(--ice);}
.c-ft__cp{font-family:'Space Grotesk',monospace;font-size:10px;letter-spacing:.14em;color:var(--muted);}
@media(prefers-reduced-motion:reduce){ .c-ft__track{animation:none;} }