:root { color-scheme: dark; --ink:#f6f0df; --muted:#b7afc4; --gold:#d8b269; --deep:#090812; --panel:rgba(24,21,36,.88); --line:rgba(216,178,105,.28); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; min-width:320px; color:var(--ink); background:radial-gradient(circle at 50% 5%,#25203a 0,#11101d 38%,#07070c 82%); font-family:"Hiragino Mincho ProN","Yu Mincho",serif; line-height:1.8; }
button,a,input,textarea { font:inherit; }
.ambient { position:fixed; width:42vw; height:42vw; border-radius:50%; filter:blur(90px); opacity:.13; pointer-events:none; }
.ambient-one { background:#6e4db8; top:-20vw; left:-15vw; }.ambient-two { background:#b28239; right:-20vw; top:38vh; }
.site-header { position:sticky; top:0; z-index:20; display:flex; justify-content:space-between; align-items:center; padding:14px clamp(18px,5vw,70px); background:rgba(8,7,14,.76); backdrop-filter:blur(16px); border-bottom:1px solid var(--line); }
.brand { color:var(--ink); text-decoration:none; letter-spacing:.08em; }.brand-mark { color:var(--gold); font-size:1.5rem; margin-right:.5rem; }
.text-button { color:var(--gold); background:none; border:0; cursor:pointer; text-decoration:underline; text-underline-offset:5px; }
.hero { min-height:54vh; display:grid; place-content:center; text-align:center; padding:56px 20px 68px; }
.eyebrow,.stage-step,.section-heading>p { color:var(--gold); font-family:Georgia,serif; letter-spacing:.2em; font-size:.78rem; }.eyebrow span { display:inline-block; width:40px; border-top:1px solid var(--gold); vertical-align:middle; margin:0 12px; }
.hero-runes { color:var(--gold); opacity:.72; letter-spacing:.48em; font-size:1.2rem; }
h1 { font-size:clamp(2.6rem,8vw,5.8rem); line-height:1.25; font-weight:500; margin:.2em 0; letter-spacing:.08em; } h1 em { color:var(--gold); font-style:normal; }
.hero-copy { color:var(--muted); }.hero-cta,.primary-button { display:inline-flex; justify-content:center; gap:.7em; align-items:center; margin:30px auto 0; color:#16111a; background:linear-gradient(135deg,#f3d697,#b9863e); border:0; border-radius:999px; padding:15px 30px; text-decoration:none; cursor:pointer; box-shadow:0 12px 35px rgba(195,143,62,.2); }
.reading-section,.history-section { width:min(1080px,calc(100% - 32px)); margin:auto; padding:80px 0; }.section-heading { text-align:center; margin-bottom:38px; }.section-heading h2 { font-size:clamp(1.8rem,5vw,3rem); margin:.1em 0; }
.reading-form { max-width:760px; margin:auto; padding:clamp(24px,5vw,48px); border:1px solid var(--line); background:var(--panel); border-radius:26px; box-shadow:0 24px 80px rgba(0,0,0,.3); }
fieldset { padding:0; border:0; margin:0 0 30px; } legend,.question-field>span:first-child { display:block; margin-bottom:12px; font-weight:bold; }.question-field small { color:var(--muted); font-weight:normal; }
.choice-grid { display:grid; gap:10px; }.theme-grid { grid-template-columns:repeat(5,1fr); }.mode-grid { grid-template-columns:repeat(2,1fr); }
.choice-grid input { position:absolute; opacity:0; }.choice-grid label span { display:flex; min-height:54px; flex-direction:column; align-items:center; justify-content:center; padding:10px; border:1px solid rgba(255,255,255,.12); border-radius:12px; color:var(--muted); cursor:pointer; text-align:center; }.choice-grid input:checked+span { border-color:var(--gold); color:var(--ink); background:rgba(216,178,105,.12); box-shadow:inset 0 0 0 1px var(--gold); }.choice-grid small { color:inherit; }
.question-field { display:block; position:relative; margin-bottom:30px; } textarea { width:100%; resize:vertical; color:var(--ink); background:#0f0d17; border:1px solid rgba(255,255,255,.14); border-radius:12px; padding:14px 18px 30px; } textarea:focus { outline:2px solid var(--gold); }.character-count { position:absolute; right:12px; bottom:8px; color:var(--muted); font-size:.8rem; }.reading-form>.primary-button { width:100%; }.form-note,.result-note { text-align:center; color:var(--muted); font-size:.85rem; }
.stone-stage { padding-top:70px; }.stage-copy { text-align:center; }.stone-grid { display:grid; grid-template-columns:repeat(8,1fr); gap:10px; margin-top:28px; }.rune-stone { position:relative; aspect-ratio:1; padding:0; border:1px solid transparent; border-radius:15px; overflow:hidden; background:#100e18; cursor:pointer; transition:transform .25s,border-color .25s,filter .25s; }.rune-stone:hover:not(:disabled),.rune-stone:focus-visible { transform:translateY(-6px); border-color:var(--gold); filter:brightness(1.15); }.rune-stone img { width:100%; height:100%; display:block; object-fit:cover; }.rune-stone.revealed { border-color:var(--gold); box-shadow:0 0 30px rgba(239,195,108,.62); transform:scale(1.06); }.rune-stone.revealed::after { content:"選んだ石"; position:absolute; left:50%; bottom:5px; transform:translateX(-50%); white-space:nowrap; padding:2px 8px; border-radius:999px; color:#17111b; background:rgba(244,210,145,.94); font-size:clamp(.55rem,1.4vw,.72rem); font-weight:bold; line-height:1.5; }
.result-section { padding-top:90px; }.question-recap { max-width:760px; margin:0 auto 30px; padding:16px 20px; border-left:2px solid var(--gold); background:rgba(216,178,105,.08); }.result-grid { display:grid; gap:22px; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); }.result-card { padding:22px; border:1px solid var(--line); border-radius:24px; background:var(--panel); }.result-position { color:var(--gold); text-align:center; letter-spacing:.12em; font-size:.86rem; }.result-rune-image { width:min(100%,390px); display:block; margin:auto; border-radius:18px; }.rune-name { display:flex; justify-content:center; align-items:center; gap:14px; margin:16px 0; }.glyph { color:var(--gold); font-size:3rem; }.rune-name h3 { margin:0; font-size:1.45rem; }.rune-name small { display:block; color:var(--muted); font-family:Georgia,serif; }.rune-theme { color:var(--gold); font-size:1.12rem; text-align:center; font-weight:bold; }.result-card dl>div,.reflection,.next-action { margin-top:16px; padding:14px; background:rgba(255,255,255,.035); border-radius:12px; }.result-card dt,.reflection strong,.next-action strong { color:var(--gold); }.result-card dd,.reflection p,.next-action p { margin:.3em 0 0; }.next-action { border:1px solid var(--line); }.result-actions { display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin:30px 0; }.secondary-button { color:var(--ink); background:transparent; border:1px solid var(--gold); border-radius:999px; padding:11px 20px; cursor:pointer; }
.rune-keywords { margin:16px 0 20px; padding:16px; border:1px solid var(--line); border-radius:14px; background:rgba(216,178,105,.07); text-align:center; }.rune-keywords>strong,.reading-label { display:block; color:var(--gold); font-size:.78rem; letter-spacing:.12em; }.rune-keywords>div { display:flex; flex-wrap:wrap; justify-content:center; gap:7px; margin-top:10px; }.rune-keywords span { padding:4px 10px; border-radius:999px; color:var(--ink); background:rgba(255,255,255,.08); font-size:.86rem; line-height:1.6; }.rune-origin { margin:13px 0 0; padding-top:11px; border-top:1px solid rgba(216,178,105,.2); color:var(--muted); font-size:.84rem; }.rune-origin small { display:block; color:#948ca2; font-size:.7rem; letter-spacing:.08em; }.reading-label { margin:20px 0 4px; text-align:center; }.rune-theme { margin-top:0; }
.history-list { display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); }.history-card { padding:18px; border:1px solid var(--line); border-radius:16px; background:var(--panel); }.history-card small,.history-card strong { display:block; }.history-card strong { color:var(--gold); font-size:1.15rem; }.danger-text { display:block; margin:24px auto; color:#d99a9a; }
.principles { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; border-block:1px solid var(--line); background:var(--line); }.principles article { padding:42px clamp(20px,4vw,60px); background:#0d0c14; }.principles span { color:var(--gold); }.principles h2 { font-size:1.2rem; }.principles p { color:var(--muted); }
footer { padding:50px 20px; text-align:center; color:var(--muted); } footer>span { color:var(--gold); letter-spacing:.5em; }.guide-dialog { width:min(620px,calc(100% - 28px)); color:var(--ink); background:#171421; border:1px solid var(--line); border-radius:24px; padding:35px; }.guide-dialog::backdrop { background:rgba(0,0,0,.75); backdrop-filter:blur(5px); }.dialog-close { float:right; color:var(--ink); border:0; background:none; font-size:1.8rem; cursor:pointer; }.dialog-button { width:100%; }.toast { position:fixed; z-index:50; left:50%; bottom:24px; transform:translateX(-50%); padding:12px 20px; border:1px solid var(--gold); border-radius:999px; background:#171421; box-shadow:0 8px 30px #000; }
[hidden] { display:none!important; }
@media(max-width:760px){.theme-grid{grid-template-columns:repeat(2,1fr)}.mode-grid{grid-template-columns:1fr}.stone-grid{grid-template-columns:repeat(4,1fr)}.principles{grid-template-columns:1fr}.site-header{position:relative}.hero{min-height:auto;padding:48px 18px 58px}.eyebrow span{width:18px}.hero-runes{letter-spacing:.25em}.reading-section{padding-top:50px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rune-stone{transition:none}}