/* かずのしるべ 共通スタイル
   Layout: 夜更けに届く手紙。藍色の夜空に星を散らし、数字は灯りのようにぼんやり光る。
   ひとつの夜の世界観で統一するため、ライト・ダークの切り替えは持たない。 */
:root {
  --bg: #0E1326;
  --paper: rgba(26, 33, 60, .72);
  --paper-solid: #1A213C;
  --ink: #EEE7D7;
  --muted: #A3A3BC;
  --line: rgba(233, 199, 123, .18);
  --accent: #EBB97C;
  --gold: #F0CF86;
  --gold-soft: rgba(240, 207, 134, .12);
  --glow: rgba(240, 190, 120, .45);
  --rose: #E3A3A0;
  --on-accent: #1A1630;
  --f-display: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-body: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1100px 620px at 85% -8%, rgba(235, 160, 110, .20), transparent 62%),
    radial-gradient(900px 600px at -12% 35%, rgba(110, 120, 210, .16), transparent 60%),
    radial-gradient(800px 500px at 50% 110%, rgba(227, 163, 160, .10), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  font-family: var(--f-body); font-size: 16px; line-height: 1.9;
  padding-inline: 16px; padding-block: 0 56px;
  position: relative;
}
body::before, body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-repeat: repeat;
}
body::before {
  background-image:
    radial-gradient(1px 1px at 23px 41px, rgba(255,245,220,.85), transparent 60%),
    radial-gradient(1px 1px at 131px 87px, rgba(255,245,220,.6), transparent 60%),
    radial-gradient(1.5px 1.5px at 197px 19px, rgba(255,235,200,.9), transparent 60%),
    radial-gradient(1px 1px at 71px 163px, rgba(220,225,255,.7), transparent 60%),
    radial-gradient(1px 1px at 251px 201px, rgba(255,245,220,.5), transparent 60%);
  background-size: 280px 240px;
  opacity: .7;
}
body::after {
  background-image:
    radial-gradient(1.5px 1.5px at 60px 120px, rgba(255,240,210,.95), transparent 60%),
    radial-gradient(1px 1px at 340px 60px, rgba(220,225,255,.8), transparent 60%),
    radial-gradient(2px 2px at 420px 300px, rgba(255,230,190,.7), transparent 60%);
  background-size: 520px 420px;
  animation: twinkle 7s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .25; } to { opacity: .9; } }
@media (prefers-reduced-motion: reduce) { body::after { animation: none; opacity: .6; } }
.wrap { position: relative; z-index: 1; }
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; display: grid; gap: 44px; }
section { scroll-margin-top: 72px; }
header.site {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: rgba(14, 19, 38, .78); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px 16px;
  padding-block: 14px 10px; border-bottom: 1px solid var(--line);
}
.logo { font-family: var(--f-display); font-weight: 800; font-size: 1.35rem; letter-spacing: .08em; color: var(--ink); text-decoration: none; }
.logo small { font-family: var(--f-mono); font-size: .68rem; color: var(--muted); letter-spacing: .12em; margin-left: 10px; font-weight: 400; }
nav.site { display: flex; gap: 4px 16px; flex-wrap: wrap; font-size: .85rem; }
nav.site a { color: var(--muted); text-decoration: none; padding-block: 4px; }
nav.site a:hover { color: var(--accent); }

.eyebrow { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .14em; color: var(--accent); text-transform: uppercase; }
h1 { font-family: var(--f-display); font-weight: 800; font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.3; margin: 8px 0 14px; text-wrap: balance; }
h2.sec { font-family: var(--f-display); font-size: clamp(1.4rem, 3vw, 1.8rem); margin: 4px 0 6px; text-wrap: balance; }
.sec-lead { color: var(--muted); margin: 0 0 20px; max-width: 38em; }
.lead { color: var(--muted); max-width: 34em; margin: 0 0 24px; }

.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding-top: 12px; }
.hero > * { min-width: 0; }
form.calc { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
form.calc label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
input[type="date"], input[type="text"] {
  font: 500 1.05rem var(--f-mono); color: var(--ink); background: var(--paper-solid);
  border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; min-height: 48px; max-width: 100%;
}
input[type="text"] { min-width: 0; width: 16em; text-transform: uppercase; }
button, .btn {
  font: 700 1rem var(--f-body); border: 0; border-radius: 6px; cursor: pointer;
  padding: 12px 24px; min-height: 48px; background: linear-gradient(180deg, #F3CB92, var(--accent)); color: var(--on-accent); box-shadow: 0 0 24px rgba(235, 185, 124, .25);
  text-decoration: none; display: inline-flex; align-items: center;
}
button:hover, .btn:hover { filter: brightness(1.08); }
button:focus-visible, .btn:focus-visible, input:focus-visible, a:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.err { color: var(--gold); font-size: .85rem; margin: 8px 0 0; min-height: 1.2em; }

.board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-width: 320px; margin-inline: auto; width: 100%; }
.board div {
  aspect-ratio: 1; max-width: 100%; display: grid; place-items: center;
  font-family: var(--f-display); font-weight: 700; font-size: 2rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 4px; background: var(--paper);
  transition: background .4s, color .4s, transform .4s;
}
.board div.on { background: var(--gold-soft); color: var(--gold); border-color: var(--gold); transform: scale(1.04); }
.board-cap { text-align: center; font-family: var(--f-mono); font-size: .72rem; color: var(--muted); letter-spacing: .1em; margin-top: 10px; }

.result { display: grid; grid-template-columns: auto 1fr; gap: 32px; padding-block: 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result > * { min-width: 0; }
.bignum { font-family: var(--f-display); font-weight: 800; font-size: clamp(5rem, 14vw, 8.5rem); line-height: 1; color: var(--gold); text-align: center; font-variant-numeric: tabular-nums; }
.numlabel { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; color: var(--muted); text-align: center; margin-top: 8px; }
.master { display: inline-block; margin-top: 8px; font-size: .75rem; padding: 2px 10px; border: 1px solid var(--gold); color: var(--gold); border-radius: 999px; }
.type-tag { display: inline-flex; gap: 6px; align-items: baseline; font-size: .82rem; color: var(--muted); text-decoration: none; border: 1px solid var(--gold); border-radius: 999px; padding: 3px 14px; background: var(--gold-soft); margin: 2px 0 4px; }
.type-tag b { color: var(--gold); font-size: .95rem; }
.type-tag:hover { filter: brightness(1.03); }
.result h2 { font-family: var(--f-display); font-size: 1.8rem; margin: 0 0 4px; text-wrap: balance; }
.kw { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 16px; padding: 0; list-style: none; }
.kw li { font-size: .8rem; padding: 2px 10px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); }
.steps { font-family: var(--f-mono); font-size: .8rem; color: var(--muted); background: var(--paper); border: 1px dashed var(--line); border-radius: 6px; padding: 10px 14px; overflow-x: auto; white-space: nowrap; }
.aspects { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px 28px; margin-top: 20px; }
.aspects h3 { font-size: .8rem; letter-spacing: .12em; color: var(--accent); margin: 0 0 2px; font-weight: 700; }
.aspects p { margin: 0; max-width: 32em; }
.lucky { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; font-size: .9rem; color: var(--muted); }
.lucky b { color: var(--ink); font-weight: 700; }
.more { display: inline-block; margin-top: 18px; font-weight: 700; text-decoration: none; }
.more:hover { text-decoration: underline; }

.periods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.period { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 20px; display: grid; gap: 6px; align-content: start; min-width: 0; }
.period.today { border-color: var(--accent); }
.period .lbl { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; color: var(--muted); }
.period .pn { font-family: var(--f-display); font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.1; font-variant-numeric: tabular-nums; }
.period h3 { font-family: var(--f-display); font-size: 1.15rem; margin: 0; }
.period p { margin: 0; font-size: .92rem; }
.period .act { font-size: .85rem; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 8px; margin-top: 4px; }
.period .act b { color: var(--ink); }
.cycle { display: grid; grid-template-columns: repeat(9, 1fr); gap: 3px; margin-top: 4px; }
.cycle span { text-align: center; font-family: var(--f-mono); font-size: .72rem; padding: 4px 0; border-radius: 3px; border: 1px solid var(--line); color: var(--muted); }
.cycle span.on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); box-shadow: 0 0 12px var(--glow); }
.mini-steps { font-family: var(--f-mono); font-size: .72rem; color: var(--muted); overflow-x: auto; white-space: nowrap; }

.compat-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.compat-form label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
.compat-out { margin-top: 24px; display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 24px; }
.compat-out > * { min-width: 0; }
.pair { display: flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 800; font-size: 2.6rem; color: var(--gold); line-height: 1; }
.pair i { font-style: normal; font-size: 1.2rem; color: var(--muted); }
.score { font-family: var(--f-mono); font-size: .8rem; color: var(--muted); margin-top: 10px; }
.meter { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; margin-top: 4px; width: 160px; max-width: 100%; }
.meter span { display: block; height: 100%; background: var(--gold); transition: width .6s; }
.compat-out h3 { font-family: var(--f-display); font-size: 1.35rem; margin: 0 0 6px; }
.compat-out p { margin: 0 0 8px; max-width: 36em; }
.compat-out .tip { color: var(--muted); font-size: .9rem; margin: 0; }

.name-out { margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .name-out { grid-template-columns: 1fr 1fr; } }
.name-card { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 20px; min-width: 0; display: grid; gap: 6px; align-content: start; }
.name-card .lbl { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; color: var(--muted); }
.name-card .nn { font-family: var(--f-display); font-size: 2.8rem; font-weight: 800; color: var(--gold); line-height: 1.1; }
.name-card h3 { font-family: var(--f-display); font-size: 1.15rem; margin: 0; }
.name-card p { margin: 0; font-size: .92rem; }
.name-card .more { margin-top: 4px; font-size: .9rem; }
.table-wrap { overflow-x: auto; margin-top: 16px; }
table.pyth { border-collapse: collapse; font-family: var(--f-mono); font-size: .8rem; color: var(--muted); }
table.pyth th, table.pyth td { border: 1px solid var(--line); padding: 4px 10px; text-align: center; }
table.pyth th { color: var(--accent); font-weight: 600; }
.note { font-size: .82rem; color: var(--muted); margin: 8px 0 0; }

.share { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.share p { margin: 0; color: var(--muted); font-size: .9rem; flex-basis: 100%; }
.toast { font-size: .85rem; color: var(--accent); }

.adslot { border: 1px dashed var(--line); border-radius: 6px; padding: 28px 16px; text-align: center; font-family: var(--f-mono); font-size: .75rem; color: var(--muted); letter-spacing: .08em; }

.group-label { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; color: var(--muted); margin: 18px 0 8px; }
.all-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.all-grid a { background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; display: grid; padding: 10px 14px; text-decoration: none; }
.all-grid a:hover { border-color: var(--gold); }
.all-grid a.on { border-color: var(--gold); background: var(--gold-soft); }
.all-grid .n { font-family: var(--f-display); font-size: 1.5rem; font-weight: 800; color: var(--gold); line-height: 1.2; }
.all-grid .t { font-size: .82rem; }

footer { border-top: 1px solid var(--line); padding-top: 18px; font-size: .78rem; color: var(--muted); }
footer p { margin: 0 0 6px; max-width: 60em; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0 0 12px; padding: 0; list-style: none; font-size: .82rem; }
.foot-links a { color: var(--muted); }

/* 週間運勢 */
.wk-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.wk-head .lbl { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; color: var(--muted); }
.wk-n { font-family: var(--f-display); font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.weekbox h3, .period [data-week] h3 { font-family: var(--f-display); font-size: 1.15rem; margin: 4px 0 8px; }
.wk-dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: .92rem; }
.wk-dl dt { color: var(--accent); font-weight: 700; font-size: .8rem; padding-top: 2px; }
.wk-dl dd { margin: 0; min-width: 0; }
.weekbox { background: var(--paper); border: 1px solid var(--accent); border-radius: 8px; padding: 18px 20px; }
.weekbox .howto { margin-top: 10px; font-size: .78rem; }

/* 5つの数字 */
.core { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 20px; }
.core div { border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; min-width: 0; }
.core .lbl { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .1em; color: var(--muted); display: block; }
.core b { font-family: var(--f-display); font-size: 1.6rem; color: var(--gold); }
.core span.t { font-size: .82rem; margin-left: 6px; }
.converted { font-family: var(--f-mono); font-size: .82rem; color: var(--muted); margin: 6px 0 0; }

/* 文書ページ（運営者情報・ポリシー・解説） */
.doc { max-width: 44em; display: grid; gap: 28px; }
.doc h1 { margin-bottom: 0; }
.doc h2 { font-family: var(--f-display); font-size: 1.3rem; margin: 0 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.doc p, .doc li { margin: 0 0 8px; }
.doc ul, .doc ol { margin: 0; padding-left: 1.3em; }
.fill { background: var(--gold-soft); color: var(--gold); padding: 1px 6px; border-radius: 3px; font-weight: 700; }
.ex { font-family: var(--f-mono); font-size: .85rem; background: var(--paper); border: 1px dashed var(--line); border-radius: 6px; padding: 10px 14px; overflow-x: auto; white-space: nowrap; margin: 6px 0 10px; }
.doc .dated { font-size: .82rem; color: var(--muted); }

/* 数字ごとのページ */
.crumbs { font-size: .8rem; color: var(--muted); padding-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }
.num-hero { display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center; padding-block: 8px 28px; border-bottom: 1px solid var(--line); }
.num-hero > * { min-width: 0; }
.num-hero .bignum { font-size: clamp(5.5rem, 16vw, 10rem); }
.num-hero h1 { margin: 6px 0 8px; }
.num-hero .summary { margin: 0; max-width: 36em; }
.article { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 48px; align-items: start; }
.article main { display: grid; gap: 36px; min-width: 0; }
.np h2 { font-family: var(--f-display); font-size: 1.35rem; margin: 0 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.np p { margin: 0; max-width: 38em; }
.pc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pc > div { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; min-width: 0; }
.pc h3 { font-size: .8rem; letter-spacing: .12em; margin: 0 0 6px; font-weight: 700; }
.pc .pro h3 { color: var(--accent); }
.pc .con h3 { color: var(--gold); }
.pc ul { margin: 0; padding-left: 1.2em; }
.jobs { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 0; padding: 0; list-style: none; }
.jobs li { font-size: .85rem; padding: 3px 12px; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); }
.advice { background: var(--gold-soft); border-radius: 8px; padding: 18px 20px; }
.advice h2 { border-bottom-color: var(--gold); }
aside.side { position: sticky; top: 80px; display: grid; gap: 16px; }
.facts { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: grid; gap: 10px; }
.facts dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: .9rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 700; }
.cta { background: linear-gradient(160deg, rgba(235,185,124,.22), rgba(227,163,160,.14)); border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 18px; display: grid; gap: 10px; }
.cta p { margin: 0; font-size: .9rem; }
.cta a { justify-content: center; }
.howto { font-size: .9rem; color: var(--muted); }
.pager { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 18px; }
.pager a { text-decoration: none; font-weight: 700; }

@media (max-width: 860px) {
  .periods { grid-template-columns: 1fr; }
  .article { grid-template-columns: 1fr; gap: 32px; }
  aside.side { position: static; }
}
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .result, .compat-out, .num-hero { grid-template-columns: 1fr; gap: 16px; }
  .name-out, .pc { grid-template-columns: 1fr; }
  .board { max-width: 240px; }
  nav.site { font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) { .board div, .meter span { transition: none; } }


/* ---- 夜の手紙：雰囲気 ---- */
.logo { letter-spacing: .14em; }
.logo::before { content: "✦"; color: var(--gold); margin-right: 8px; font-size: .9em; text-shadow: 0 0 10px var(--glow); }
.eyebrow { color: var(--rose); letter-spacing: .22em; }
h1, h2.sec, .np h2, .doc h2, .result h2 { letter-spacing: .06em; font-weight: 700; }
h1 { line-height: 1.45; }
.bignum, .pn, .nn, .wk-n, .pair, .all-grid .n, .core b { text-shadow: 0 0 28px var(--glow), 0 0 2px rgba(255,230,190,.6); }
.bignum { color: var(--gold); }
.period .pn, .wk-n { color: var(--gold); }
.period, .compat-out, .name-card, .facts, .pc > div, .weekbox, .advice, .all-grid a, .core div, .board div, .steps, .ex {
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.period, .compat-out, .name-card, .facts, .weekbox { border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.period.today, .weekbox { border-color: rgba(240, 207, 134, .45); }
.board div { border-radius: 50%; font-weight: 500; background: rgba(26,33,60,.5); }
.board div.on { box-shadow: 0 0 30px var(--glow), inset 0 0 18px rgba(240,207,134,.25); text-shadow: 0 0 14px var(--glow); }
.board-cap { letter-spacing: .3em; }
.result { border-color: var(--line); }
.kw li { border-color: var(--line); background: rgba(26,33,60,.55); }
.adslot { border-color: var(--line); background: rgba(14,19,38,.4); }
.meter { background: rgba(255,255,255,.08); }
.meter span { background: linear-gradient(90deg, var(--rose), var(--gold)); box-shadow: 0 0 12px var(--glow); }
.type-tag { border-color: rgba(240,207,134,.5); }
.advice { background: linear-gradient(160deg, rgba(240,207,134,.14), rgba(227,163,160,.08)); border: 1px solid var(--line); }
.jobs li { border-color: rgba(235,185,124,.5); }
.pc .con h3 { color: var(--rose); }
a { text-underline-offset: 3px; }

/* 縦書きのひとこと */
.hero-visual { display: flex; align-items: center; justify-content: center; gap: 22px; }
.tate {
  writing-mode: vertical-rl; font-family: var(--f-display); font-size: 1.05rem; letter-spacing: .32em;
  line-height: 2.1; color: var(--ink); opacity: .85; margin: 0; max-height: 22em;
}
.tate em { font-style: normal; color: var(--gold); text-shadow: 0 0 12px var(--glow); }
.hero h1 em { font-style: normal; color: var(--gold); text-shadow: 0 0 22px var(--glow); }

/* ゆっくり灯る */
@keyframes kindle { from { text-shadow: 0 0 10px rgba(240,190,120,.15); } to { text-shadow: 0 0 34px var(--glow), 0 0 2px rgba(255,230,190,.6); } }
.bignum { animation: kindle 3.6s ease-in-out infinite alternate; }
@media (prefers-reduced-motion: reduce) { .bignum { animation: none; } }
@media (max-width: 720px) {
  .tate { font-size: .95rem; max-height: 16em; }
}

/* 相性表 */
.aishou-table td a { color: var(--gold); text-decoration: none; display: block; padding: 2px 0; }
.aishou-table td a:hover { text-decoration: underline; }
.aishou-table th { min-width: 2.4em; }