/* =========================================================
   算命学 命式算出 — Stylesheet
   有限会社 菱和エステート のデザインテイストを踏襲
   Palette: deep navy + gold, cream typography / 和モダン
   ========================================================= */

:root{
  --navy-950:#08101e;
  --navy-900:#0b1626;
  --navy-850:#0e1b30;
  --navy-800:#12233c;
  --navy-700:#18304f;
  --navy-600:#23436c;

  --gold:#c2a35c;
  --gold-soft:#d7be86;
  --gold-deep:#9c8042;

  --cream:#ece6d9;
  --ink:#e9e3d5;
  --muted:#9aa3b1;
  --muted-warm:#a59c89;

  --line:rgba(194,163,92,.22);
  --line-soft:rgba(236,230,217,.10);

  --serif-jp:"Shippori Mincho B1","Shippori Mincho",serif;
  --serif-en:"Cormorant Garamond",serif;
  --sans-jp:"Noto Sans JP",sans-serif;

  --maxw:1240px;
  --gutter:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--ink);
  font-family:var(--sans-jp);
  font-weight:300;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}

/* ---------- helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter);}
.eyebrow{
  font-family:var(--serif-en);
  font-size:.82rem;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:500;
  display:inline-flex;align-items:center;gap:.9em;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold);opacity:.7;}
.eyebrow.center{justify-content:center;}
.eyebrow.center::after{content:"";width:34px;height:1px;background:var(--gold);opacity:.7;}

.section-head{max-width:780px;margin:0 auto;text-align:center;}
.section-head h2{
  font-family:var(--serif-jp);font-weight:500;
  font-size:clamp(1.9rem,4vw,2.9rem);
  letter-spacing:.12em;line-height:1.4;
  margin:1.1rem 0 .5rem;color:var(--cream);
}
.section-head p{color:var(--muted);font-size:.98rem;letter-spacing:.06em;}

section{position:relative;}
.pad{padding-block:clamp(72px,10vw,140px);}
.rule{width:1px;height:64px;margin:0 auto;background:linear-gradient(var(--gold),transparent);opacity:.6;}

.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}
.reveal.d4{transition-delay:.32s;}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;height:84px;
  transition:background .5s var(--ease),height .5s var(--ease),border-color .5s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  height:68px;background:rgba(8,16,30,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;width:100%;}
.brand{display:flex;align-items:center;gap:14px;}
.brand .mark{
  width:38px;height:38px;flex:none;position:relative;
  border:1px solid var(--gold);display:grid;place-items:center;transform:rotate(45deg);
}
.brand .mark span{transform:rotate(-45deg);font-family:var(--serif-jp);color:var(--gold);font-size:1rem;}
.brand .name{line-height:1.25;}
.brand .name b{
  display:block;font-family:var(--serif-jp);font-weight:500;
  font-size:1.06rem;letter-spacing:.16em;color:var(--cream);
}
.brand .name small{
  display:block;font-family:var(--serif-en);letter-spacing:.32em;
  font-size:.6rem;color:var(--gold);text-transform:uppercase;margin-top:2px;
}
.nav{display:flex;align-items:center;gap:34px;}
.nav a{font-size:.84rem;letter-spacing:.14em;color:var(--ink);position:relative;padding:6px 0;transition:color .3s;}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .35s var(--ease);}
.nav a:hover{color:var(--gold-soft);}
.nav a:hover::after{width:100%;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.7em;
  font-size:.82rem;letter-spacing:.16em;
  padding:13px 26px;border:1px solid var(--gold);
  color:var(--gold-soft);background:transparent;
  transition:background .4s var(--ease),color .4s,border-color .4s;white-space:nowrap;
}
.btn:hover{background:var(--gold);color:var(--navy-950);}
.btn.solid{background:var(--gold);color:var(--navy-950);}
.btn.solid:hover{background:var(--gold-soft);border-color:var(--gold-soft);}
.btn.ghost{border-color:var(--line);color:var(--ink);}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold-soft);background:transparent;}

.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:transparent;position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;top:50%;width:18px;height:1px;background:var(--gold-soft);
  transform:translate(-50%,-50%);transition:.3s var(--ease);
}
.nav-toggle span::before{transform:translate(-50%,-6px);}
.nav-toggle span::after{transform:translate(-50%,6px);}
body.menu-open .nav-toggle span{background:transparent;}
body.menu-open .nav-toggle span::before{transform:translate(-50%,0) rotate(45deg);}
body.menu-open .nav-toggle span::after{transform:translate(-50%,0) rotate(-45deg);}

/* =========================================================
   Hero + 入力フォーム
   ========================================================= */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;isolation:isolate;}
.hero-bg{position:absolute;inset:0;z-index:-2;}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(105deg,rgba(8,16,30,.96) 0%,rgba(8,16,30,.78) 46%,rgba(8,16,30,.55) 100%),
    radial-gradient(120% 90% at 82% 8%,rgba(35,67,108,.42),transparent 60%);
}
.hero-bg .strokes{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(120deg,rgba(236,230,217,.035) 0 1px,transparent 1px 18px);
}
/* 微かな星座のような点描 */
.hero-bg .stars{position:absolute;inset:0;opacity:.5;
  background-image:
    radial-gradient(1px 1px at 18% 30%,rgba(215,190,134,.5),transparent),
    radial-gradient(1px 1px at 72% 22%,rgba(215,190,134,.4),transparent),
    radial-gradient(1px 1px at 60% 64%,rgba(215,190,134,.35),transparent),
    radial-gradient(1px 1px at 33% 76%,rgba(215,190,134,.3),transparent),
    radial-gradient(1px 1px at 88% 54%,rgba(215,190,134,.35),transparent);
}
.hero-inner{padding-top:128px;padding-bottom:72px;width:100%;
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,84px);align-items:center;}
.hero .eyebrow{margin-bottom:28px;}
.hero h1{
  font-family:var(--serif-jp);font-weight:500;
  font-size:clamp(2.3rem,5vw,4rem);line-height:1.34;letter-spacing:.1em;
  margin:0 0 26px;color:var(--cream);text-shadow:0 2px 40px rgba(0,0,0,.4);
}
.hero h1 em{font-style:normal;color:var(--gold-soft);}
.hero .lead{max-width:520px;color:var(--ink);font-size:1.02rem;line-height:2;margin-bottom:8px;opacity:.92;}
.hero .lead-note{color:var(--muted);font-size:.82rem;letter-spacing:.06em;margin-top:18px;}

/* 入力カード */
.calc-card{
  background:linear-gradient(180deg,var(--navy-850),var(--navy-900));
  border:1px solid var(--line);padding:clamp(26px,3vw,40px);
  box-shadow:0 40px 80px -50px rgba(0,0,0,.8);position:relative;
}
.calc-card::before{
  content:"";position:absolute;inset:9px;border:1px solid var(--line-soft);pointer-events:none;
}
.calc-card h2{
  font-family:var(--serif-jp);font-weight:500;font-size:1.22rem;letter-spacing:.12em;
  color:var(--cream);margin:0 0 4px;
}
.calc-card .sub{font-family:var(--serif-en);font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:26px;}
.date-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:14px;}
.date-field{display:flex;flex-direction:column;gap:8px;}
.date-field label{font-size:.72rem;letter-spacing:.14em;color:var(--gold-soft);font-family:var(--serif-jp);}
.select-wrap{position:relative;}
.select-wrap::after{
  content:"";position:absolute;right:14px;top:50%;width:7px;height:7px;
  border-right:1px solid var(--gold-soft);border-bottom:1px solid var(--gold-soft);
  transform:translateY(-65%) rotate(45deg);pointer-events:none;
}
.calc-card select{
  width:100%;appearance:none;background:var(--navy-850);
  border:1px solid var(--line-soft);color:var(--ink);
  font-family:inherit;font-size:1rem;font-weight:300;padding:14px 34px 14px 16px;
  letter-spacing:.06em;transition:border-color .35s,background .35s;
}
.calc-card select:focus{outline:none;border-color:var(--gold);background:var(--navy-800);}
.calc-card .err-msg{min-height:1.2em;margin-top:14px;font-size:.78rem;letter-spacing:.04em;color:#d68a80;}
.calc-actions{margin-top:8px;display:flex;gap:14px;flex-wrap:wrap;}
.calc-actions .btn{flex:1;padding:16px 24px;letter-spacing:.2em;}

/* =========================================================
   結果セクション
   ========================================================= */
.results{background:var(--navy-850);border-block:1px solid var(--line-soft);}
.results[hidden]{display:none;}

/* 基本スペック表 */
.spec-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line);margin-top:8px;}
.spec-table tr{border-bottom:1px solid var(--line-soft);}
.spec-table th{
  text-align:left;vertical-align:middle;width:30%;padding:20px 16px 20px 0;
  font-weight:400;color:var(--gold-soft);font-size:.82rem;letter-spacing:.14em;
  font-family:var(--serif-jp);white-space:nowrap;
}
.spec-table td{padding:18px 0;color:var(--ink);font-size:.95rem;line-height:1.8;letter-spacing:.04em;}
.spec-table .kanshi{font-family:var(--serif-jp);font-size:1.6rem;letter-spacing:.3em;color:var(--cream);}
.spec-table .kanshi em{font-style:normal;color:var(--gold-soft);}
.spec-table td .meta{display:block;color:var(--muted);font-size:.76rem;letter-spacing:.08em;margin-top:2px;}

.spec-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,5vw,72px);align-items:center;}
.daymaster{
  border:1px solid var(--line);background:var(--navy-900);
  padding:34px;text-align:center;position:relative;
}
.daymaster small{font-family:var(--serif-en);font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);}
.daymaster .char{
  font-family:var(--serif-jp);font-size:clamp(4rem,9vw,6.4rem);line-height:1.1;
  color:var(--gold-soft);margin:.1em 0;display:block;
}
.daymaster .desc{color:var(--muted);font-size:.84rem;letter-spacing:.08em;}

/* 人体星図 3×3 */
.starchart-sec{background:var(--navy-900);}
.starchart{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  max-width:720px;margin:56px auto 0;
}
.cell{
  background:var(--navy-850);border:1px solid var(--line-soft);
  aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:14px;position:relative;
  transition:transform .5s var(--ease),border-color .5s,box-shadow .5s,background .5s;
}
.cell .pos{
  font-family:var(--serif-en);font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);position:absolute;top:12px;left:0;right:0;
}
.cell .pos b{display:block;font-family:var(--serif-jp);font-size:.78rem;letter-spacing:.18em;color:var(--muted-warm);margin-top:3px;text-transform:none;}
.cell .star{font-family:var(--serif-jp);font-weight:500;font-size:clamp(1.15rem,2.4vw,1.5rem);letter-spacing:.08em;color:var(--cream);margin-top:14px;}
.cell .stage{font-size:.68rem;letter-spacing:.12em;color:var(--muted);margin-top:8px;}

.cell.main{background:var(--navy-850);}
.cell.main:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:0 24px 48px -28px rgba(0,0,0,.75);}
.cell.center{
  background:linear-gradient(180deg,var(--navy-800),var(--navy-850));
  border-color:var(--line);
}
.cell.center .star{color:var(--gold-soft);}
.cell.center::after{content:"";position:absolute;inset:7px;border:1px solid var(--line);pointer-events:none;}
.cell.jusei{background:var(--navy-900);}
.cell.jusei .star{color:var(--ink);font-size:clamp(1.05rem,2.2vw,1.32rem);}
.cell.jusei .pos b{color:var(--gold-soft);}
.cell.self{
  background:repeating-linear-gradient(135deg,rgba(194,163,92,.05) 0 2px,transparent 2px 12px),var(--navy-900);
  border-style:dashed;border-color:var(--line);
}
.cell.self .self-char{font-family:var(--serif-jp);font-size:clamp(2rem,5vw,3rem);color:var(--gold-soft);line-height:1;margin-top:10px;}
.cell.self .self-label{font-size:.7rem;letter-spacing:.1em;color:var(--muted);margin-top:8px;}

/* 星をふれると意味が出るインタラクション */
.cell.main,.cell.center,.cell.jusei{cursor:pointer;}
.cell:focus-visible{outline:1px solid var(--gold);outline-offset:2px;}
.cell.open{border-color:var(--gold);box-shadow:0 24px 48px -28px rgba(0,0,0,.8);}

/* 共有ツールチップ（hover=PC / tap=スマホ） */
.star-tip{
  position:fixed;z-index:80;max-width:300px;width:max-content;
  background:linear-gradient(180deg,var(--navy-800),var(--navy-850));
  border:1px solid var(--gold);padding:20px 22px 22px;
  box-shadow:0 30px 60px -28px rgba(0,0,0,.85);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  pointer-events:none;
}
.star-tip.show{opacity:1;visibility:visible;transform:none;}
.star-tip::before{content:"";position:absolute;inset:6px;border:1px solid var(--line-soft);pointer-events:none;}
.star-tip .st-name{display:block;font-family:var(--serif-jp);font-weight:600;font-size:1.24rem;letter-spacing:.14em;color:var(--gold-soft);}
.star-tip .st-title{display:block;font-family:var(--serif-jp);font-size:.84rem;letter-spacing:.1em;color:var(--cream);margin:8px 0 12px;padding-bottom:12px;border-bottom:1px solid var(--line-soft);}
.star-tip .st-desc{display:block;font-size:.84rem;line-height:1.95;letter-spacing:.03em;color:var(--muted);}

.chart-hint{text-align:center;color:var(--muted-warm);font-size:.76rem;letter-spacing:.1em;margin-top:26px;}

/* 総合診断（宿命の核心） */
.fortune{
  max-width:880px;margin:64px auto 0;text-align:center;
  border-top:1px solid var(--line-soft);padding-top:54px;
}
.fortune[hidden]{display:none;}
.fortune .eyebrow{margin-bottom:30px;}
.fortune-body{display:flex;flex-direction:column;gap:38px;}
.fortune-block{position:relative;}
.fortune-block .fb-label{
  display:inline-block;font-family:var(--serif-en);font-size:.7rem;letter-spacing:.26em;
  text-transform:uppercase;color:var(--gold);margin-bottom:18px;
}
.fortune-block .fb-name{
  display:block;font-family:var(--serif-jp);font-weight:500;font-size:clamp(1.15rem,2.4vw,1.5rem);
  letter-spacing:.14em;color:var(--gold-soft);margin-bottom:20px;
}
.fortune-block .fb-text{
  font-family:var(--serif-jp);font-weight:500;
  font-size:clamp(1.04rem,1.9vw,1.32rem);line-height:2.2;letter-spacing:.1em;color:var(--cream);
  max-width:740px;margin:0 auto;
}
.fortune-block .fb-text em{font-style:normal;color:var(--gold-soft);}
.fortune-block + .fortune-block{border-top:1px solid var(--line-soft);padding-top:38px;}
.fortune-block .fb-stars{margin-top:18px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}
.fortune-block .fb-stars b{
  font-weight:400;font-family:var(--serif-jp);font-size:.76rem;letter-spacing:.1em;
  color:var(--gold-soft);border:1px solid var(--line);padding:4px 14px;
}

.chart-legend{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-top:40px;}
.chart-legend span{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;color:var(--muted);letter-spacing:.06em;}
.chart-legend i{width:11px;height:11px;border:1px solid var(--line);flex:none;}
.chart-legend i.c-main{background:var(--navy-850);}
.chart-legend i.c-center{background:var(--navy-800);border-color:var(--gold-soft);}
.chart-legend i.c-jusei{background:var(--navy-900);}

.disclaimer{
  margin:64px auto 0;max-width:820px;border:1px solid var(--line-soft);
  background:var(--navy-850);padding:26px 30px;color:var(--muted);
  font-size:.82rem;line-height:2;letter-spacing:.04em;
}
.disclaimer b{color:var(--gold-soft);font-weight:400;letter-spacing:.1em;}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{background:var(--navy-950);border-top:1px solid var(--line);padding-block:54px 28px;}
.site-footer .top{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid var(--line-soft);}
.site-footer .lede{max-width:420px;color:var(--muted);font-size:.86rem;line-height:1.95;}
.site-footer .bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:22px;}
.site-footer .bottom small{color:var(--muted-warm);font-size:.72rem;letter-spacing:.1em;}
.site-footer .license{color:var(--gold);font-size:.74rem;letter-spacing:.1em;font-family:var(--serif-en);}

/* =========================================================
   Responsive
   ========================================================= */
@media(max-width:1000px){
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(82vw,360px);
    background:var(--navy-950);border-left:1px solid var(--line);
    flex-direction:column;justify-content:center;align-items:flex-start;
    gap:28px;padding:0 44px;transform:translateX(100%);
    transition:transform .5s var(--ease);z-index:55;display:flex;
  }
  body.menu-open .nav{transform:none;}
  .nav a{font-size:1.05rem;letter-spacing:.18em;}
  .nav-toggle{display:block;}
  .hero-inner{grid-template-columns:1fr;gap:48px;}
  .spec-wrap{grid-template-columns:1fr;}
}
@media(max-width:640px){
  .date-grid{grid-template-columns:1fr;}
  .calc-actions{flex-direction:column;}
  .starchart{gap:9px;}
  .cell{padding:8px;}
  .cell .star{font-size:1.02rem;}
  .cell .pos{font-size:.5rem;top:8px;}
  .cell .pos b{font-size:.64rem;}
}