/* ============================================================
   サイト共通スタイル（TOP / 各案 概要ページ）
   チラシ本体（flyer.html）は各案が独自CSSを内包するため対象外。
   ============================================================ */
:root{
  --aqua:#1898c4; --aqua-d:#0e5f7d; --aqua-dd:#093f52; --ice:#eaf7fb;
  --verm:#e8402f; --lemon:#f4c531; --ink:#0f2f3b; --muted:#5b7480;
  --line:#dbe8ee; --card:#ffffff;
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; }
body{
  font-family:"Zen Kaku Gothic New",system-ui,sans-serif; color:var(--ink);
  background:linear-gradient(180deg,#f3fbfe 0%,#e6f5fb 40%,#d7eef7 100%);
  min-height:100vh; -webkit-font-smoothing:antialiased; line-height:1.6;
}
a{ color:var(--aqua-d); }
.wrap{ max-width:1040px; margin:0 auto; padding:0 20px; }

/* ---- header ---- */
.site-head{ position:relative; overflow:hidden; color:#fff;
  background:linear-gradient(180deg,#1aa0cc 0%,#0e5f7d 100%); }
.site-head .wrap{ position:relative; z-index:2; padding:30px 20px 34px; }
.site-head .eb{ font-size:11px; letter-spacing:.24em; font-weight:700; opacity:.9; }
.site-head h1{ font-family:"Zen Maru Gothic",sans-serif; font-weight:900;
  font-size:clamp(22px,5vw,34px); line-height:1.15; margin-top:6px; }
.site-head .sub{ font-size:13px; opacity:.92; margin-top:8px; }
.site-head .fizz{ position:absolute; inset:0; z-index:1; pointer-events:none; }
.site-head .fizz i{ position:absolute; border-radius:50%;
  background:radial-gradient(circle at 32% 26%,#fff,rgba(255,255,255,.4) 45%,rgba(255,255,255,.06) 72%); }

/* ---- info bar (共通情報) ---- */
.factbar{ display:flex; flex-wrap:wrap; gap:8px 22px; margin-top:16px;
  background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.25);
  border-radius:14px; padding:12px 16px; }
.factbar .f{ font-size:13px; }
.factbar .f b{ font-weight:900; }
.factbar .f span{ opacity:.8; margin-right:6px; font-size:11px; letter-spacing:.08em; }

/* ---- section ---- */
.section{ padding:30px 0; }
.section > .wrap > h2{ font-family:"Zen Maru Gothic",sans-serif; font-weight:900;
  font-size:18px; color:var(--aqua-d); display:flex; align-items:center; gap:8px; margin-bottom:16px; }
.section > .wrap > h2::before{ content:""; width:6px; height:18px; background:var(--verm); border-radius:3px; }

/* ---- gallery cards ---- */
.grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media (max-width:820px){ .grid{ grid-template-columns:1fr; } }
.pcard{ background:var(--card); border:1px solid var(--line); border-radius:16px; overflow:hidden;
  box-shadow:0 8px 22px -12px rgba(11,74,99,.35); display:flex; flex-direction:column; transition:transform .15s, box-shadow .15s; }
.pcard:hover{ transform:translateY(-3px); box-shadow:0 16px 34px -14px rgba(11,74,99,.45); }
.pcard .thumb{ position:relative; aspect-ratio:210/297; background:#dceaf1; overflow:hidden; }
.pcard .thumb iframe{ position:absolute; top:0; left:0; width:100%; height:100%; border:0; pointer-events:none; }
.pcard .thumb .badge{ position:absolute; top:10px; left:10px; z-index:2; font-family:"Zen Maru Gothic",sans-serif;
  font-weight:900; font-size:13px; color:#fff; padding:3px 12px; border-radius:20px; box-shadow:0 4px 10px rgba(0,0,0,.18); }
.pcard .thumb .soon{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; z-index:2;
  color:#8aa7b3; font-weight:900; font-family:"Zen Maru Gothic",sans-serif; font-size:16px;
  background:repeating-linear-gradient(45deg,#eef6fa 0 12px,#e4f0f6 12px 24px); }
.pcard .body{ padding:16px 18px 18px; flex:1; display:flex; flex-direction:column; }
.pcard .concept{ font-family:"Zen Maru Gothic",sans-serif; font-weight:900; font-size:17px; color:var(--ink); }
.pcard .tagline{ font-size:13px; color:var(--aqua-d); font-weight:700; margin-top:2px; }
.pcard .desc{ font-size:12.5px; color:var(--muted); margin-top:8px; flex:1; }
.pcard .acts{ display:flex; gap:8px; margin-top:14px; }

/* ---- buttons ---- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:6px; cursor:pointer;
  font-family:"Zen Kaku Gothic New",sans-serif; font-weight:700; font-size:13px; text-decoration:none;
  padding:9px 14px; border-radius:10px; border:1.5px solid var(--aqua); color:var(--aqua-d); background:#fff; transition:.15s; }
.btn:hover{ background:var(--ice); }
.btn.primary{ background:var(--aqua); color:#fff; border-color:var(--aqua); }
.btn.primary:hover{ background:var(--aqua-d); }
.btn.sm{ padding:7px 11px; font-size:12px; }
.btn.block{ width:100%; }

/* ---- concept page ---- */
.hero-concept{ position:relative; overflow:hidden; color:#fff; padding:0; }
.hero-concept .wrap{ position:relative; z-index:2; padding:34px 20px; }
.hero-concept .plan-label{ font-family:"Zen Maru Gothic",sans-serif; font-weight:900; font-size:14px;
  display:inline-block; padding:3px 14px; border-radius:20px; background:rgba(255,255,255,.2); }
.hero-concept h1{ font-family:"Zen Maru Gothic",sans-serif; font-weight:900;
  font-size:clamp(26px,6vw,40px); margin-top:12px; }
.hero-concept .tagline{ font-size:15px; margin-top:8px; opacity:.95; }
.hero-concept .fizz{ position:absolute; inset:0; z-index:1; pointer-events:none; }
.hero-concept .fizz i{ position:absolute; border-radius:50%;
  background:radial-gradient(circle at 32% 26%,#fff,rgba(255,255,255,.4) 45%,rgba(255,255,255,.06) 72%); }

.cols{ display:grid; grid-template-columns:1.1fr .9fr; gap:26px; }
@media (max-width:820px){ .cols{ grid-template-columns:1fr; } }
.panel{ background:var(--card); border:1px solid var(--line); border-radius:16px; padding:20px 22px;
  box-shadow:0 8px 22px -14px rgba(11,74,99,.3); }
.panel h3{ font-family:"Zen Maru Gothic",sans-serif; font-weight:900; font-size:15px; color:var(--aqua-d); margin-bottom:10px; }
.panel p{ font-size:13.5px; color:#33474e; }
.panel + .panel{ margin-top:18px; }

.swatches{ display:flex; border-radius:10px; overflow:hidden; border:1px solid var(--line); margin-top:6px; }
.swatches span{ flex:1; height:40px; display:flex; align-items:flex-end; justify-content:center; padding-bottom:3px;
  font-size:8.5px; font-weight:700; }
.kv-list{ list-style:none; font-size:13px; }
.kv-list li{ display:flex; gap:10px; padding:5px 0; border-bottom:1px dotted var(--line); }
.kv-list li:last-child{ border-bottom:0; }
.kv-list .k{ color:var(--muted); font-weight:700; min-width:78px; }

.preview-frame{ position:relative; border-radius:14px; overflow:hidden; border:1px solid var(--line);
  box-shadow:0 10px 26px -14px rgba(11,74,99,.4); background:#dceaf1; aspect-ratio:210/297; }
.preview-frame iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

.note{ font-size:12px; color:var(--muted); background:#fff7e6; border:1px solid #f2e2b5;
  border-radius:10px; padding:10px 12px; margin-top:12px; }

/* ---- footer ---- */
.site-foot{ text-align:center; color:var(--muted); font-size:12px; padding:26px 20px 40px; }
.topbar{ display:flex; align-items:center; gap:12px; padding:12px 20px; background:#fff; border-bottom:1px solid var(--line); }
.topbar a{ text-decoration:none; font-weight:700; font-size:13px; color:var(--aqua-d); }
.topbar .sp{ flex:1; }