/* =========================================================================
   暮らしのカルテ — 共通デザインシステム
   トークンは design/design-tokens.md を正典とする。
   ティール(信頼) × 珊瑚(可愛い差し色) × 若葉ミント(自然由来) × 泡白。
   ========================================================================= */
:root{
  --marine:#0E3A47; --tide:#2C7E92; --aqua:#DCEEF0; --foam:#F7FCFC;
  --ink:#1F2A2E; --muted:#67787D; --line:#DCE8E7;
  --coral:#F4795B; --coral-soft:#FBDDD3; --mint:#74B79B; --sun:#F7C948;
  --ok:#2F8F6B; --danger:#C4553C; --warn:#E0A43B;
  --shadow:0 10px 30px rgba(14,58,71,.10);
  --shadow-sm:0 4px 14px rgba(14,58,71,.08);
  --radius:18px; --radius-lg:26px;
  --font-display:"Hiragino Maru Gothic ProN","BIZ UDPGothic","Yu Gothic UI","Meiryo",sans-serif;
  --font-body:system-ui,"Hiragino Kaku Gothic ProN","BIZ UDPGothic","Yu Gothic UI","Meiryo",sans-serif;
  --font-num:"Trebuchet MS","Verdana",system-ui,sans-serif;
  --wrap:960px; --wrap-narrow:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--ink); background:var(--foam);
  font-family:var(--font-body); font-size:16px; line-height:1.8;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--tide)}
h1,h2,h3,h4{font-family:var(--font-display); line-height:1.4; color:var(--marine); font-weight:800}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--coral); outline-offset:2px; border-radius:6px}

/* ---- watermark bg ---- */
.wm{position:relative}
.wm::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:url("/assets/watermark.svg"); background-size:240px 240px;
  opacity:.5; -webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
          mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
}
.wm>*{position:relative; z-index:1}

/* ---- layout ---- */
.wrap{max-width:var(--wrap); margin:0 auto; padding:0 20px}
.narrow{max-width:var(--wrap-narrow)}
section{padding:56px 0}
.lead{font-size:1.06rem; color:#33454a}
.eyebrow{font-family:var(--font-num); letter-spacing:.22em; font-size:.72rem;
  text-transform:uppercase; color:var(--tide); font-weight:700; margin:0 0 .5em}
.center{text-align:center}
.tag{display:inline-flex; align-items:center; gap:.4em; background:var(--aqua);
  color:var(--marine); border-radius:999px; padding:.3em .9em; font-size:.82rem; font-weight:700}
.tag.mint{background:#E4F1EA; color:#3c6a55}
.tag.coral{background:var(--coral-soft); color:#b5432c}

/* ---- header ---- */
.site-head{background:var(--marine); color:#fff; position:sticky; top:0; z-index:50;
  box-shadow:0 2px 12px rgba(14,58,71,.18)}
.site-head .wrap{display:flex; align-items:center; justify-content:space-between; height:62px}
.brand{display:flex; align-items:center; gap:10px; color:#fff; text-decoration:none; font-family:var(--font-display); font-weight:800; white-space:nowrap}
.brand>span{white-space:nowrap}
.brand img{width:30px; height:30px}
.brand small{display:block; font-size:.62rem; letter-spacing:.12em; color:#9fd0da; font-weight:600}
.nav a{color:#dcedf1; text-decoration:none; font-size:.9rem; margin-left:18px}
.nav a:hover{color:#fff}
@media(max-width:560px){ .nav a{margin-left:12px; font-size:.82rem} .brand small{display:none} }

/* ---- buttons ---- */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  min-height:52px; padding:.7em 1.6em; border-radius:999px; font-weight:800;
  font-family:var(--font-display); font-size:1.02rem; text-decoration:none; cursor:pointer;
  border:none; transition:transform .15s ease, box-shadow .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--coral); color:#fff; box-shadow:0 8px 20px rgba(244,121,91,.35)}
.btn-primary:hover{box-shadow:0 12px 26px rgba(244,121,91,.45)}
.btn-marine{background:var(--marine); color:#fff}
.btn-line{background:#06C755; color:#fff}
.btn-ghost{background:#fff; color:var(--marine); border:2px solid var(--line)}
.btn-lg{min-height:58px; font-size:1.1rem; padding:.8em 2em}
.btn[disabled]{opacity:.45; cursor:not-allowed; transform:none}

/* ---- hero ---- */
.hero{background:linear-gradient(180deg,#EAF7F8,#F7FCFC); overflow:hidden}
.hero .wrap{display:grid; grid-template-columns:1.05fr .95fr; gap:30px; align-items:center; padding-top:44px; padding-bottom:44px}
.hero h1{font-size:clamp(1.7rem,4.6vw,2.7rem); margin:.2em 0 .5em; letter-spacing:.01em}
.hero .art{border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow)}
.hero .cta-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:8px}
@media(max-width:760px){ .hero .wrap{grid-template-columns:1fr} .hero .art{order:-1} }

/* ---- cards / tiles ---- */
.grid{display:grid; gap:20px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:1fr 1fr 1fr}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){ .g3,.g4{grid-template-columns:1fr 1fr} }
@media(max-width:520px){ .g2,.g3,.g4{grid-template-columns:1fr} }
.card{background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; box-shadow:var(--shadow-sm)}
.card.feature{display:grid; grid-template-columns:auto 1fr; gap:18px; align-items:center;
  border-color:#cfe6ea; background:linear-gradient(180deg,#fff,#f4fbfc)}
.card.feature img{width:76px; height:76px}
.tile{background:#fff; border:1px dashed #c8ddda; border-radius:var(--radius); padding:18px; text-align:center; color:var(--muted)}
.tile img{width:56px; height:56px; margin:0 auto 8px; opacity:.9}
.tile h3{font-size:1rem; margin:.2em 0 .3em; color:var(--marine)}
.soon{font-size:.72rem; color:var(--tide); font-weight:700; letter-spacing:.08em}

/* ---- GEO answer block ---- */
.answer{background:#fff; border-left:6px solid var(--tide); border-radius:14px;
  padding:22px 24px; box-shadow:var(--shadow-sm)}
.answer ul{margin:.4em 0 0; padding-left:1.1em}
.answer li{margin:.5em 0}
.answer .lead{margin:.2em 0 .2em}

/* ---- 母屋: feature card 内タイポ・接続・近日公開 ---- */
.card.feature h3{margin:.4em 0 .3em; font-size:1.25rem}
.card.feature p{margin:.2em 0 .8em; color:#33454a}
.card.feature .connect{margin:.1em 0 .9em; color:var(--tide); font-size:.86rem; font-weight:700}
.card.feature.is-soon{background:linear-gradient(180deg,#fff,#f3f8f8); border-style:dashed; border-color:#c8ddda}
.card.feature.is-soon h3{color:#3b5157}
.btn-soon{pointer-events:none; opacity:.7; min-height:44px}

/* ---- 母屋: 暮らしのカルテとは（3ステップ）---- */
.about-steps{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:8px}
@media(max-width:760px){ .about-steps{grid-template-columns:1fr} }
.step{position:relative; background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:24px 22px 20px; box-shadow:var(--shadow-sm)}
.step-n{display:inline-block; font-family:var(--font-num); letter-spacing:.14em; font-size:.72rem;
  font-weight:800; color:#fff; background:var(--tide); border-radius:999px; padding:.3em .9em; margin-bottom:.6em}
.step:nth-child(2) .step-n{background:var(--mint)}
.step:nth-child(3) .step-n{background:var(--coral)}
.step h3{font-size:1.08rem; margin:.1em 0 .35em}
.step p{margin:0; color:#33454a; font-size:.94rem}
.step::after{content:""; position:absolute; left:22px; bottom:14px; width:34px; height:3px;
  border-radius:3px; background:var(--aqua)}

/* ---- diagnosis ---- */
.diag{background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:26px; box-shadow:var(--shadow); max-width:680px; margin:0 auto}
.progress{height:12px; background:var(--aqua); border-radius:999px; overflow:hidden; margin-bottom:6px}
.progress i{display:block; height:100%; width:0; background:linear-gradient(90deg,var(--tide),var(--mint));
  border-radius:999px; transition:width .4s ease}
.progress-label{font-family:var(--font-num); font-size:.78rem; color:var(--muted); letter-spacing:.1em; margin-bottom:16px}
.q-title{font-size:1.25rem; margin:.2em 0 .8em}
.opts{display:grid; gap:12px}
.opt{display:flex; align-items:center; gap:14px; padding:16px 18px; border:2px solid var(--line);
  border-radius:14px; background:#fbfefe; cursor:pointer; font-size:1.02rem; transition:all .15s ease; min-height:44px}
.opt:hover{border-color:var(--tide); background:#f2fafb}
.opt .dot{width:22px; height:22px; border-radius:50%; border:2px solid #b9cfd2; flex:none; position:relative}
.opt.sel{border-color:var(--coral); background:#fff5f2; box-shadow:0 4px 14px rgba(244,121,91,.16)}
.opt.sel .dot{border-color:var(--coral); background:var(--coral)}
.opt.sel .dot::after{content:""; position:absolute; inset:5px; border-radius:50%; background:#fff}
.diag-nav{display:flex; justify-content:space-between; margin-top:20px; gap:10px}

/* ---- karte result 票 ---- */
.karte{background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  box-shadow:var(--shadow); overflow:hidden; position:relative;
  background-image:linear-gradient(var(--line) 1px,transparent 1px); background-size:100% 30px;
  background-position:0 118px}
.karte-head{background:var(--marine); color:#fff; padding:18px 24px; display:flex; justify-content:space-between; align-items:flex-end; gap:12px}
.karte-head .en{font-family:var(--font-num); letter-spacing:.24em; font-size:.7rem; color:#9fd0da}
.karte-head h3{color:#fff; margin:.1em 0 0; font-size:1.35rem}
.karte-no{font-family:var(--font-num); font-size:.86rem; color:#cfe6ea; letter-spacing:.06em; text-align:right; white-space:nowrap}
.karte-body{padding:24px; display:grid; grid-template-columns:auto 1fr; gap:24px; align-items:center}
@media(max-width:560px){
  .karte-body{grid-template-columns:1fr; text-align:center}
  .karte-head{flex-direction:column; align-items:flex-start; gap:4px}
  .karte-head h3{font-size:1.15rem}
  .karte-no{text-align:left}
  .karte-type{justify-content:center}
}

/* water drop gauge */
.gauge{width:150px; height:170px; position:relative; margin:0 auto}
.gauge svg{width:100%; height:100%}
.gauge .num{position:absolute; top:44%; left:0; right:0; text-align:center;
  font-family:var(--font-num); font-weight:800; font-size:2.6rem; color:var(--marine); line-height:1}
.gauge .cap{position:absolute; top:66%; left:0; right:0; text-align:center; font-size:.8rem; color:var(--marine); font-weight:700}

.karte-type{display:flex; align-items:center; gap:14px; margin-bottom:6px}
.karte-type img{width:60px; height:60px}
.karte-type .name{font-family:var(--font-display); font-weight:800; font-size:1.4rem; color:var(--marine)}
.karte .finding{color:var(--ink); margin:.3em 0 0}
.karte .subidx{margin-top:14px; display:flex; gap:10px; flex-wrap:wrap}
.band{display:inline-flex; gap:.4em; align-items:center; background:var(--aqua); color:var(--marine);
  border-radius:999px; padding:.3em .9em; font-weight:700; font-size:.85rem}
.karte-foot{padding:0 24px 22px; color:var(--muted); font-size:.8rem}

/* coral round seal */
.seal{position:absolute; right:22px; top:96px; width:92px; height:92px; z-index:2}
@media(max-width:560px){ .seal{position:static; margin:8px auto 0} }

/* offer / product connect */
.offer{background:linear-gradient(180deg,#fff,#f4fbfc); border:1px solid #cfe6ea; border-radius:var(--radius-lg); padding:26px}
.prod{display:flex; align-items:center; gap:16px; padding:16px; border:1px solid var(--line); border-radius:14px; background:#fff; margin:.6em 0}
.prod img{width:56px; height:56px; flex:none}
.prod .pcta{margin-left:auto; display:flex; gap:8px; flex-wrap:wrap}
@media(max-width:560px){ .prod{flex-wrap:wrap} .prod .pcta{margin-left:0; width:100%} }

/* line / reexam blocks */
.block-line{background:#eafaf0; border:1px solid #bfe6cf; border-radius:var(--radius); padding:22px}
.block-reexam{background:#fff6ec; border:1px solid #f4dcc0; border-radius:var(--radius); padding:22px}

/* faq */
.faq details{background:#fff; border:1px solid var(--line); border-radius:14px; margin:.6em 0; overflow:hidden}
.faq summary{cursor:pointer; padding:16px 20px; font-weight:700; color:var(--marine); font-family:var(--font-display); list-style:none; display:flex; justify-content:space-between; gap:10px; min-height:44px; align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋"; color:var(--coral); font-weight:800}
.faq details[open] summary::after{content:"－"}
.faq .a{padding:0 20px 18px; color:var(--ink)}

/* disclaimer / footer */
.disclaimer{background:#eef4f4; border-radius:14px; padding:18px 20px; color:var(--muted); font-size:.84rem}
.disclaimer strong{color:var(--ink)}
.site-foot{background:var(--marine); color:#cfe6ea; padding:34px 0; margin-top:20px}
.site-foot a{color:#fff; text-decoration:none}
.site-foot .fnav a{margin-right:16px; font-size:.9rem}
.site-foot small{color:#8fb3bb}

/* ---- animation ---- */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1; transform:none}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.float{animation:floaty 5s ease-in-out infinite}
@keyframes stamp{0%{transform:scale(1.7) rotate(-14deg); opacity:0}60%{transform:scale(.92) rotate(-8deg); opacity:1}100%{transform:scale(1) rotate(-8deg); opacity:1}}
.seal.stamp{animation:stamp .6s cubic-bezier(.2,1.4,.4,1) both}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important; transition:none !important}
  .reveal{opacity:1; transform:none}
  html{scroll-behavior:auto}
}

/* ---- print (result 票 保存) ---- */
@media print{
  .site-head,.site-foot,.nav,.btn,.no-print{display:none !important}
  body{background:#fff}
  .karte{box-shadow:none; border:1px solid #999; break-inside:avoid}
}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}