:root {
  --ink: #202522;
  --muted: #69706a;
  --paper: #fffdf8;
  --cream: #f3efe5;
  --line: #ded8ca;
  --green: #234c42;
  --green-soft: #e5eee8;
  --red: #9d4b3d;
  --gold: #b48945;
  --shadow: 0 18px 55px rgba(35, 43, 38, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #eee9de; font-family: "Hiragino Sans", "Yu Gothic", system-ui, sans-serif; line-height: 1.75; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(180,137,69,.48); outline-offset: 2px; }
h1, h2, h3, p { margin-top: 0; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { position: sticky; top: 0; z-index: 30; min-height: 76px; padding: 11px clamp(16px,4vw,58px); display: flex; align-items: center; justify-content: space-between; gap: 26px; background: rgba(255,253,248,.94); border-bottom: 1px solid rgba(222,216,202,.9); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; color: white; background: var(--green); border-radius: 52% 48% 44% 56%; font: 1.25rem "Yu Mincho", serif; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.3; }
.brand strong { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; letter-spacing: .04em; }
.brand small { color: var(--muted); font-size: .63rem; letter-spacing: .08em; }
nav { display: flex; gap: 4px; }
.nav-button { padding: 9px 13px; display: inline-flex; align-items: center; color: #5f665f; background: transparent; border: 0; border-radius: 999px; font-size: .8rem; font-weight: 800; text-decoration: none; white-space: nowrap; }
.nav-button:hover, .nav-button.active { color: var(--green); background: var(--green-soft); }

.search-hero { position: relative; overflow: hidden; min-height: 440px; padding: clamp(54px,7vw,88px) max(22px,calc((100vw - 1220px)/2)); color: #faf5e9; background: radial-gradient(circle at 84% 18%,rgba(190,148,78,.28),transparent 25rem), linear-gradient(125deg,#183a33,#2e5a4d 67%,#3b6252); }
.search-hero::after { content: "学"; position: absolute; right: 6%; bottom: -150px; color: rgba(255,255,255,.045); font: 24rem "Yu Mincho",serif; pointer-events: none; }
.hero-inner { position: relative; z-index: 1; max-width: 900px; }
.eyebrow { margin-bottom: 7px; color: var(--gold); font-size: .68rem; font-weight: 900; letter-spacing: .18em; }
.search-hero h1, .page-intro h1 { margin-bottom: 17px; font: 500 clamp(2.55rem,5.2vw,5rem)/1.2 "Yu Mincho","Hiragino Mincho ProN",serif; letter-spacing: .04em; }
.hero-copy { max-width: 770px; margin-bottom: 27px; color: rgba(255,255,255,.78); font-size: .94rem; }
.search-box { max-width: 890px; min-height: 66px; padding: 8px 12px 8px 20px; display: flex; align-items: center; gap: 12px; background: #fffefa; border-radius: 15px; box-shadow: 0 16px 45px rgba(0,0,0,.2); }
.search-box > span { color: var(--green); font: 2rem Georgia,serif; transform: rotate(-20deg); }
.search-box input { flex: 1; min-width: 0; padding: 10px 2px; color: var(--ink); background: transparent; border: 0; outline: 0; font-size: clamp(.95rem,1.7vw,1.16rem); }
.search-box button { padding: 8px 12px; color: var(--green); background: var(--green-soft); border: 0; border-radius: 8px; font-size: .72rem; font-weight: 800; }
.suggestion-row { margin-top: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.suggestion-row > span { margin-right: 4px; color: rgba(255,255,255,.62); font-size: .7rem; }
.suggestion-row button { padding: 5px 10px; color: #f6f1e6; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; font-size: .7rem; }
.suggestion-row button:hover { background: rgba(255,255,255,.17); }
.corpus-stats { position: absolute; right: max(22px,calc((100vw - 1220px)/2)); top: 66px; z-index: 2; display: flex; gap: 1px; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; overflow: hidden; }
.corpus-stats div { min-width: 90px; padding: 11px 14px; text-align: center; background: rgba(255,255,255,.07); }
.corpus-stats strong { display: block; color: #e0c48e; font: 1.5rem Georgia,serif; }
.corpus-stats span { display: block; color: rgba(255,255,255,.6); font-size: .62rem; }

.topic-browser { max-width: 1320px; margin: 0 auto; padding: 32px 28px 82px; }
.category-strip { margin-bottom: 28px; padding-bottom: 17px; display: flex; gap: 7px; overflow-x: auto; border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.category-chip { flex: 0 0 auto; padding: 7px 12px; color: #5d655f; background: rgba(255,253,248,.65); border: 1px solid var(--line); border-radius: 999px; font-size: .72rem; font-weight: 800; }
.category-chip:hover, .category-chip.active { color: white; background: var(--green); border-color: var(--green); }
.topics-heading { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 17px; }
.topics-heading h2 { margin: 0; font: 2rem "Yu Mincho",serif; }
.topics-heading > p { margin: 0; color: var(--muted); font-size: .75rem; }
.active-filters { display: flex; gap: 6px; margin-bottom: 14px; }
.active-filters:empty { display: none; }
.active-filters span { padding: 5px 10px; color: var(--green); background: #dfe9e2; border-radius: 999px; font-size: .68rem; font-weight: 800; }
.topic-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 11px; }
.topic-card { min-height: 178px; padding: 17px; display: flex; flex-direction: column; text-align: left; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 5px 18px rgba(40,44,40,.035); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.topic-card:hover { transform: translateY(-3px); border-color: #aabaae; box-shadow: var(--shadow); }
.topic-card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.topic-category { color: var(--red); font-size: .62rem; font-weight: 900; letter-spacing: .06em; }
.topic-source-count { color: #88877f; font-size: .59rem; }
.topic-card h3 { margin: 8px 0 6px; font: 1.25rem/1.35 "Yu Mincho",serif; }
.topic-card p { margin-bottom: 10px; color: #5e655f; font-size: .72rem; line-height: 1.65; }
.topic-card .card-arrow { margin-top: auto; color: var(--green); font-size: .67rem; font-weight: 900; }
mark { padding: 0 1px; color: inherit; background: #f4dda2; }
.load-more { width: 100%; margin-top: 18px; padding: 13px; color: var(--green); background: transparent; border: 1px solid #aebbad; border-radius: 10px; font-weight: 800; }
.empty-results { padding: 70px 20px; text-align: center; color: var(--muted); background: var(--paper); border: 1px dashed #bdb7aa; border-radius: 15px; }
.empty-results > span { width: 56px; height: 56px; margin: 0 auto 14px; display: grid; place-items: center; color: var(--gold); border: 1px solid #c8b993; border-radius: 50%; font: 1.5rem Georgia,serif; }
.empty-results h3 { margin-bottom: 5px; color: var(--ink); }

.inner-view { max-width: 1280px; min-height: calc(100vh - 150px); margin: 0 auto; padding: 66px 28px 90px; }
.page-intro { max-width: 850px; margin-bottom: 34px; }
.page-intro h1 { margin-bottom: 12px; font-size: clamp(2.2rem,4vw,4.1rem); }
.page-intro > p:last-child { max-width: 730px; color: var(--muted); }
.category-groups { display: grid; gap: 28px; }
.category-group { padding: 24px; background: rgba(255,253,248,.72); border: 1px solid var(--line); border-radius: 16px; }
.category-group-heading { margin-bottom: 14px; display: flex; align-items: baseline; justify-content: space-between; }
.category-group-heading h2 { margin: 0; font: 1.4rem "Yu Mincho",serif; }
.category-group-heading span { color: var(--muted); font-size: .68rem; }
.mini-topic-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; }
.mini-topic { min-height: 75px; padding: 10px 12px; text-align: left; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 9px; }
.mini-topic strong { display: block; font: .95rem "Yu Mincho",serif; }
.mini-topic small { display: block; margin-top: 3px; color: var(--muted); font-size: .58rem; line-height: 1.4; }
.mini-topic:hover { color: var(--green); border-color: #a8baae; }

.chart-workspace { display: grid; grid-template-columns: 340px minmax(0,1fr); gap: 22px; align-items: start; }
.chart-form, .chart-result { padding: 25px; background: var(--paper); border: 1px solid var(--line); border-radius: 17px; box-shadow: 0 9px 30px rgba(40,44,40,.05); }
.chart-form h2, .chart-result h2 { font: 1.42rem "Yu Mincho",serif; }
.chart-mode-picker { padding: 4px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--cream); border-radius: 10px; }
.chart-mode-picker button { padding: 8px; color: var(--muted); background: transparent; border: 0; border-radius: 7px; font-size: .73rem; font-weight: 800; }
.chart-mode-picker button.active { color: white; background: var(--green); box-shadow: 0 3px 10px rgba(39,78,69,.18); }
.chart-form label { display: block; margin: 15px 0; color: #515750; font-size: .74rem; font-weight: 800; }
.chart-form input, .chart-form select { width: 100%; min-height: 43px; margin-top: 5px; padding: 8px 10px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 9px; }
.chart-form small { display: block; margin-top: 5px; color: var(--muted); font-weight: 400; line-height: 1.5; }
.manual-help { margin: 15px 0 7px; color: var(--muted); font-size: .68rem; }
.manual-pillars, .manual-substar-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.manual-star-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 7px; }
.manual-pillars label, .manual-substar-grid label, .manual-star-grid label { margin: 7px 0; }
.manual-group-title { margin: 16px 0 3px; color: var(--green); font: .88rem "Yu Mincho",serif; font-weight: 800; }
.primary-button { width: 100%; min-height: 47px; padding: 10px 15px; color: white; background: var(--green); border: 0; border-radius: 9px; font-weight: 800; }
.primary-button:hover { background: #153c33; }
.privacy-note, .chart-caution { margin: 12px 0 0; color: var(--muted); font-size: .65rem; }
.status-message { margin-top: 11px; font-size: .74rem; }
.status-message.error { padding: 10px; color: #7c382f; background: #f4ded9; border-radius: 8px; }
.chart-result-heading { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.chart-result-heading > span { padding: 5px 10px; color: var(--red); background: #f1dfda; border-radius: 999px; font-size: .68rem; font-weight: 800; }
.pillar-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 23px; }
.pillar-card { padding: 13px; text-align: center; background: var(--cream); border-radius: 9px; }
.pillar-card span { display: block; color: var(--muted); font-size: .65rem; }
.pillar-card strong { font: 1.55rem "Yu Mincho",serif; }
.pillar-card small { display: block; color: var(--muted); font-size: .58rem; }
.chart-result > h3 { margin: 6px 0 12px; font: 1rem "Yu Mincho",serif; }
.star-study-map { max-width: 500px; margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); grid-template-areas: ". north ." "west center east" ". south ."; gap: 8px; }
.study-star { min-height: 72px; padding: 8px; color: var(--green); background: #edf2ec; border: 1px solid #cad5cb; border-radius: 9px; font-weight: 800; }
.study-star small, .substar-study-row small { display: block; color: var(--muted); font-size: .58rem; font-weight: 400; }
.study-star.north { grid-area:north; }.study-star.west { grid-area:west; }.study-star.center { grid-area:center; color:white; background:var(--green); }.study-star.east { grid-area:east; }.study-star.south { grid-area:south; }
.substar-study-row { margin-top: 16px; display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.substar-study-row button { padding: 9px; color: #365a70; background: #edf2f4; border: 1px solid #cbd7dd; border-radius: 9px; font-weight: 800; }

.topic-dialog { width: min(880px,calc(100vw - 26px)); max-height: min(90vh,1000px); padding: 0; color: var(--ink); background: var(--paper); border: 0; border-radius: 18px; box-shadow: 0 30px 100px rgba(10,18,14,.38); }
.topic-dialog::backdrop { background: rgba(20,31,27,.72); backdrop-filter: blur(4px); }
.topic-dialog article { position: relative; padding: clamp(25px,5vw,48px); }
.dialog-close { position: absolute; top: 15px; right: 16px; width: 36px; height: 36px; color: var(--muted); background: var(--cream); border: 0; border-radius: 50%; font-size: 1.2rem; }
.dialog-category { margin: 0 42px 3px 0; color: var(--red); font-size: .68rem; font-weight: 900; letter-spacing: .08em; }
.topic-dialog h2 { margin-bottom: 3px; font: clamp(2rem,5vw,3.15rem)/1.35 "Yu Mincho",serif; }
.dialog-aliases { min-height: 1em; margin-bottom: 20px; color: var(--muted); font-size: .68rem; }
.meaning-box { padding: 20px 22px; background: linear-gradient(135deg,#e8efe9,#f2f3e9); border-left: 4px solid var(--green); border-radius: 10px; }
.meaning-box span { display: block; margin-bottom: 5px; color: var(--green); font-size: .66rem; font-weight: 900; letter-spacing: .08em; }
.meaning-box p { margin: 0; font-size: .94rem; line-height: 1.85; }
.detail-section { margin-top: 31px; }
.detail-heading { display: flex; justify-content: space-between; align-items: end; gap: 15px; margin-bottom: 4px; }
.detail-heading span { color: var(--gold); font-size: .64rem; font-weight: 900; letter-spacing: .08em; }
.detail-heading h3 { margin: 1px 0 0; font: 1.35rem "Yu Mincho",serif; }
.detail-heading button { padding: 5px 9px; color: var(--green); background: transparent; border: 1px solid #a8b6aa; border-radius: 7px; font-size: .65rem; font-weight: 800; }
.detail-intro { margin-bottom: 14px; color: var(--muted); font-size: .68rem; }
.source-sections { display: grid; gap: 8px; }
.source-item { background: white; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.source-item summary { padding: 13px 15px; display: flex; align-items: center; gap: 10px; list-style: none; cursor: pointer; }
.source-item summary::-webkit-details-marker { display:none; }
.source-item summary::after { content:"＋"; margin-left:auto; color:var(--green); }
.source-item[open] summary::after { content:"−"; }
.source-lesson { flex:0 0 auto; padding:2px 7px; color:var(--red); background:#f3e4e0; border-radius:999px; font-size:.58rem; font-weight:900; }
.source-title { font-size:.76rem; font-weight:800; }
.source-time { color:var(--muted); font-size:.58rem; }
.source-body { padding: 15px 17px 19px; color:#3f4641; border-top:1px solid var(--line); white-space:pre-wrap; font-size:.82rem; line-height:1.9; }
.source-video { display:inline-block; margin-top:14px; color:var(--green); font-size:.68rem; font-weight:800; }
.related-section { margin-top: 28px; padding-top: 21px; border-top: 1px solid var(--line); }
.related-section h3 { margin-bottom: 10px; font: 1rem "Yu Mincho",serif; }
.related-terms { display:flex; flex-wrap:wrap; gap:6px; }
.related-terms button { padding:5px 10px; color:var(--green); background:var(--green-soft); border:0; border-radius:999px; font-size:.68rem; font-weight:800; }
.dialog-actions { margin-top:25px; }
.dialog-actions button { padding:9px 14px; color:var(--green); background:transparent; border:1px solid var(--green); border-radius:8px; font-size:.72rem; font-weight:800; }
footer { padding: 27px 20px; text-align:center; color:#817b70; border-top:1px solid #d8d1c4; font-size:.68rem; }
footer p { margin-bottom: 3px; }
footer small { color: #9a9387; font-size: .62rem; }

.course-levels { padding: 10px max(18px,calc((100vw - 1220px)/2)); display: flex; align-items: stretch; gap: 8px; background: #eae4d8; border-bottom: 1px solid #d5cebf; }
.course-levels-label { align-self: center; margin-right: 4px; color: #736f66; font-size: .68rem; font-weight: 900; letter-spacing: .06em; }
.course-level { min-width: 138px; padding: 8px 13px; display: grid; grid-template-columns: 1fr auto; column-gap: 12px; color: #77766f; background: rgba(255,255,255,.52); border: 1px solid rgba(192,184,170,.72); border-radius: 10px; line-height: 1.25; }
.course-level > span { grid-column: 1 / -1; font-size: .54rem; font-weight: 800; letter-spacing: .06em; }
.course-level strong { font: 1rem "Yu Mincho",serif; }
.course-level small { align-self: end; font-size: .58rem; }
.course-level.active { color: #fff; background: var(--green); border-color: var(--green); box-shadow: 0 5px 16px rgba(35,76,66,.18); }
.course-level.active > span { color: #dcc58e; }
.course-level.upcoming { opacity: .66; }

.search-hero { min-height: 590px; padding-top: clamp(48px,5vw,72px); padding-bottom: clamp(48px,5vw,72px); }
.search-hero::after { display: none; }
.hero-layout { position: relative; z-index: 1; max-width: 1220px; margin: 0 auto; display: grid; grid-template-columns: minmax(0,900px); align-items: center; }
.beginner-badge { margin-bottom: 13px; padding: 5px 12px; display: inline-flex; color: #f7e8be; border: 1px solid rgba(224,196,142,.52); border-radius: 999px; font-size: .67rem; font-weight: 900; letter-spacing: .12em; }
.search-hero h1 { font-size: clamp(2.8rem,5vw,4.9rem); }
.hero-illustration { position: relative; height: 460px; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 180px 180px 24px 24px; box-shadow: 0 28px 60px rgba(4,19,15,.36); }
.hero-illustration::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg,transparent 65%,rgba(9,31,25,.75)); pointer-events: none; }
.hero-illustration img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 64% center; }
.hero-illustration figcaption { position: absolute; z-index: 1; right: 20px; bottom: 16px; color: rgba(255,255,255,.86); font-size: .64rem; letter-spacing: .08em; }
.corpus-stats { position: static; width: fit-content; margin-top: 22px; }

.visual-guide { max-width: 1320px; margin: 0 auto; padding: 70px 28px 28px; scroll-margin-top: 105px; }
.visual-guide-heading { margin-bottom: 27px; display: grid; grid-template-columns: 1fr minmax(280px,480px); gap: 35px; align-items: end; }
.visual-guide-heading h2 { margin: 0; font: clamp(1.9rem,3.2vw,3.1rem)/1.4 "Yu Mincho",serif; }
.visual-guide-heading > p { margin: 0; color: var(--muted); font-size: .83rem; }
.learning-path { margin: 0 0 18px; padding: 0; display: grid; grid-template-columns: repeat(5,1fr); list-style: none; background: var(--paper); border: 1px solid var(--line); border-radius: 15px; overflow: hidden; }
.learning-path li { position: relative; min-height: 88px; padding: 16px 14px 14px 52px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.learning-path li:last-child { border-right: 0; }
.learning-path li:not(:last-child)::after { content: "›"; position: absolute; z-index: 1; right: -8px; top: 29px; width: 16px; height: 28px; display: grid; place-items: center; color: var(--gold); background: var(--paper); font-size: 1.3rem; }
.learning-path li > span { position: absolute; left: 15px; top: 24px; width: 26px; height: 26px; display: grid; place-items: center; color: #fff; background: var(--green); border-radius: 50%; font: .76rem Georgia,serif; }
.learning-path strong { font: .96rem "Yu Mincho",serif; }
.learning-path small { color: var(--muted); font-size: .6rem; }
.diagram-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.diagram-card { min-height: 360px; padding: 25px; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 10px 30px rgba(35,43,38,.045); }
.diagram-title { display: flex; gap: 13px; align-items: flex-start; }
.diagram-title > span { width: 34px; height: 34px; flex: 0 0 auto; display: grid; place-items: center; color: var(--green); background: var(--green-soft); border-radius: 50%; font: .7rem Georgia,serif; }
.diagram-title h3 { margin-bottom: 2px; font: 1.3rem "Yu Mincho",serif; }
.diagram-title p { margin: 0; color: var(--muted); font-size: .7rem; }
.diagram-card > button, .diagram-links button { margin-top: auto; padding: 8px 12px; align-self: flex-start; color: var(--green); background: var(--green-soft); border: 0; border-radius: 999px; font-size: .67rem; font-weight: 900; }
.yin-diagram { flex: 1; margin: 24px 0 19px; display: grid; grid-template-columns: 1fr 104px 1fr; align-items: center; }
.yin-half, .yang-half { min-height: 110px; padding: 17px; display: flex; flex-direction: column; justify-content: center; }
.yin-half { color: #eae6da; background: #26332f; border-radius: 55px 0 0 55px; text-align: right; }
.yang-half { color: #323933; background: #eee6d2; border-radius: 0 55px 55px 0; }
.yin-half strong, .yang-half strong { font: 1.45rem "Yu Mincho",serif; }
.yin-half small, .yang-half small { font-size: .61rem; opacity: .72; }
.yin-core { position: relative; z-index: 1; width: 112px; height: 112px; margin: 0 -4px; display: grid; place-items: center; color: var(--gold); background: #fffdf8; border: 1px solid #d5ccb7; border-radius: 50%; font: 4.8rem Georgia,serif; box-shadow: 0 8px 24px rgba(26,37,32,.12); }
.elements-flow { flex: 1; margin: 28px 0 20px; display: flex; align-items: center; justify-content: center; gap: 7px; }
.elements-flow span { width: 67px; height: 67px; flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; border-radius: 50%; font: 1.15rem "Yu Mincho",serif; box-shadow: 0 7px 18px rgba(30,40,34,.13); }
.elements-flow small { display: block; font: .51rem system-ui,sans-serif; opacity: .78; }
.elements-flow b { color: #b7aa90; font-weight: 400; }
.elements-flow .wood { background: #4d765b; }.elements-flow .fire { background: #a94e3a; }.elements-flow .earth { background: #ad8648; }.elements-flow .metal { color: #545651; background: #d8d5ca; }.elements-flow .water { background: #345b6f; }
.cycle-back { transform: rotate(20deg); font-size: 1.3rem; }
.two-readings { flex: 1; margin: 25px 0 18px; display: grid; grid-template-columns: 1fr 92px 1fr; align-items: stretch; }
.two-readings > div { padding: 22px 14px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; border: 1px solid var(--line); border-radius: 60px 60px 12px 12px; }
.two-readings > div:first-child { color: #f6f1e5; background: #283b36; border-color: #283b36; }
.two-readings > div:last-child { color: #3f463f; background: #eee5cf; }
.two-readings small { font-size: .56rem; opacity: .7; }
.two-readings strong { margin: 4px 0; font: 1.55rem "Yu Mincho",serif; }
.two-readings span { font-size: .58rem; }
.two-readings i { align-self: center; color: var(--red); font-size: .57rem; font-style: normal; font-weight: 900; text-align: center; }
.diagram-links { margin-top: auto; display: flex; gap: 6px; }
.diagram-links button { margin-top: 0; }
.body-chart { flex: 1; width: min(100%,340px); margin: 21px auto 18px; display: grid; grid-template-columns: repeat(3,1fr); grid-template-areas: ". top ." "left center right" ". bottom ."; gap: 7px; }
.body-chart span { min-height: 64px; padding: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--green); background: var(--green-soft); border: 1px solid #cbd9cf; border-radius: 10px; font: .92rem "Yu Mincho",serif; }
.body-chart small { color: var(--muted); font: .52rem system-ui,sans-serif; }.bc-top{grid-area:top}.bc-left{grid-area:left}.bc-center{grid-area:center!important;color:#fff!important;background:var(--green)!important}.bc-right{grid-area:right}.bc-bottom{grid-area:bottom}

.fundamentals-map { max-width: 1320px; margin: 0 auto; padding: 68px 28px 24px; }
.fundamentals-heading { margin-bottom: 27px; display: grid; grid-template-columns: 1fr minmax(300px,480px); gap: 36px; align-items: end; }
.fundamentals-heading h2 { margin: 0; font: clamp(2rem,3.2vw,3.05rem)/1.35 "Yu Mincho",serif; }
.fundamentals-heading > p { margin: 0; color: var(--muted); font-size: .82rem; }
.sanmei-map { padding: clamp(22px,4vw,42px); background: var(--paper); border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 15px 42px rgba(35,43,38,.06); }
.map-node { width: 100%; padding: 18px; display: flex; flex-direction: column; align-items: center; text-align: center; color: var(--ink); background: #f4f0e7; border: 1px solid #d8d0c1; border-radius: 15px; transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.map-node:hover { transform: translateY(-3px); border-color: #91aa9d; box-shadow: 0 13px 28px rgba(35,76,66,.12); }
.map-node > span { margin-bottom: 2px; color: var(--red); font-size: .59rem; font-weight: 900; letter-spacing: .08em; }
.map-node strong { font: 1.35rem "Yu Mincho",serif; }
.map-node small { max-width: 430px; margin-top: 4px; color: var(--muted); font-size: .67rem; line-height: 1.6; }
.map-node em { margin-top: 9px; color: var(--green); font-size: .59rem; font-style: normal; font-weight: 900; }
.map-root { max-width: 520px; margin: 0 auto; color: #fff; background: var(--green); border-color: var(--green); }
.map-root > span { color: #dfc58d; }.map-root small { color: rgba(255,255,255,.72); }.map-root em { color: #f0d9a5; }
.map-split { height: 62px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: var(--gold); }
.map-split span { height: 1px; background: #cdbb96; }
.map-split span:first-child { margin-left: 25%; }.map-split span:last-child { margin-right: 25%; }
.map-split b { padding: 0 12px; font-size: .58rem; letter-spacing: .06em; }
.map-main-branches { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 18px; align-items: start; }
.map-branch { padding: 18px; background: #ede8dc; border-radius: 18px; }
.map-step { display: block; margin-bottom: 8px; color: var(--red); font-size: .61rem; font-weight: 900; letter-spacing: .06em; }
.yin-branch .map-node { min-height: 170px; justify-content: center; }
.map-keywords { margin-top: 12px; display: grid; grid-template-columns: repeat(4,1fr); gap: 6px; }
.map-keywords span { padding: 9px 4px; text-align: center; color: var(--green); background: rgba(255,255,255,.72); border: 1px solid #d7d0c2; border-radius: 8px; font: .72rem "Yu Mincho",serif; }
.yang-branch { background: #e8eee9; }
.yang-branch > .map-node:first-of-type { background: #fffdf8; border-color: #baccc0; }
.map-down { height: 34px; display: grid; place-items: center; color: var(--gold); font-size: 1.1rem; }
.map-down-split { height: 42px; font-size: .57rem; font-weight: 900; letter-spacing: .04em; }
.body-node { color: #fff; background: #47685e; border-color: #47685e; }
.body-node > span { color: #ead29d; }.body-node small { color: rgba(255,255,255,.73); }.body-node em { color: #f0d9a5; }
.star-map-pair { display: grid; grid-template-columns: repeat(2,1fr); gap: 9px; }
.star-node { min-height: 153px; justify-content: center; background: #fffdf8; }
.star-node:first-child { border-top: 4px solid #9d4b3d; }.star-node:last-child { border-top: 4px solid #b48945; }

.concept-visual { margin-top: 18px; padding: 20px; background: #f4f0e6; border: 1px solid var(--line); border-radius: 14px; }
.concept-visual-heading { margin-bottom: 13px; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.concept-visual-heading > span { color: var(--red); font-size: .62rem; font-weight: 900; letter-spacing: .08em; }
.concept-visual-heading h3 { margin: 0; font: 1.05rem "Yu Mincho",serif; }
.term-visual { margin: 0; }
.term-visual-canvas { min-height: 190px; padding: 18px; display: flex; align-items: center; justify-content: center; color: #303832; background: #fffdf8; border: 1px solid #ddd5c7; border-radius: 12px; overflow: hidden; }
.term-visual figcaption { margin-top: 11px; display: grid; gap: 2px; }
.term-visual figcaption strong { font: .9rem "Yu Mincho",serif; }
.term-visual figcaption span { color: var(--muted); font-size: .68rem; line-height: 1.65; }
.visual-node { min-width: 72px; min-height: 58px; padding: 9px 10px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: #435048; background: #edf1ec; border: 1px solid #d5ddd6; border-radius: 10px; line-height: 1.25; }
.visual-node strong { font: .84rem "Yu Mincho",serif; }
.visual-node small { margin-top: 3px; color: #737b75; font-size: .53rem; }
.visual-node i { margin-top: 5px; color: var(--green); font-size: .45rem; font-style: normal; font-weight: 900; }
.visual-node[data-related-term] { cursor: pointer; }
.visual-node[data-related-term]:hover { transform: translateY(-2px); border-color: #8eaa9a; box-shadow: 0 7px 16px rgba(35,76,66,.12); }
.visual-node.active { color: white; background: var(--green); border-color: var(--green); box-shadow: 0 7px 20px rgba(35,76,66,.2); }
.visual-node.active small { color: rgba(255,255,255,.74); }
.visual-node.active i { color: #f0d9a5; }
.term-visual-canvas > b, .element-cycle > b, .instinct-cycle > b, .fortune-line > b, .combination-line > b, .practice-cycle > b, .method-steps > b, .foundation-flow > b { margin: 0 7px; color: var(--gold); font-weight: 500; }
.diagram-focus { padding: 5px 10px; color: var(--red); background: #f4e5df; border-radius: 999px; font-size: .61rem; font-weight: 900; }

.visual-yinyang .term-visual-canvas { gap: 0; }
.visual-yinyang .pair-side { width: 42%; padding: 25px 15px; }
.visual-yinyang .pair-side .visual-node { width: 100%; border: 0; background: transparent; }
.visual-yinyang .pair-side.dark { color: #fff; background: #26332f; border-radius: 60px 0 0 60px; }
.visual-yinyang .pair-side.light { background: #e9dec5; border-radius: 0 60px 60px 0; }
.visual-yinyang .pair-side.dark .visual-node { color: #fff; }
.visual-yinyang .pair-side.dark small { color: rgba(255,255,255,.7); }
.visual-yinyang .term-visual-canvas > b { position: relative; z-index: 1; width: 46px; height: 46px; margin: 0 -8px; display: grid; place-items: center; color: var(--gold); background: white; border-radius: 50%; }

.element-cycle, .instinct-cycle, .fortune-line, .combination-line, .practice-cycle, .method-steps, .foundation-flow { display: flex; align-items: center; justify-content: center; }
.element-cycle .visual-node, .instinct-cycle .visual-node { min-width: 63px; min-height: 63px; border-radius: 50%; }
.element-cycle .element-1 { color:#fff;background:#4d765b}.element-cycle .element-2{color:#fff;background:#a94e3a}.element-cycle .element-3{color:#fff;background:#ad8648}.element-cycle .element-4{background:#dedbd0}.element-cycle .element-5{color:#fff;background:#345b6f}
.element-cycle .element-1 small,.element-cycle .element-2 small,.element-cycle .element-3 small,.element-cycle .element-5 small{color:rgba(255,255,255,.72)}
.visual-instincts .term-visual-canvas { flex-direction: column; gap: 15px; }
.instinct-cycle + em { color: var(--red); font-size: .65rem; font-style: normal; font-weight: 900; }

.visual-pillars .term-visual-canvas, .visual-tenchusatsu .term-visual-canvas { flex-direction: column; gap: 14px; }
.pillar-diagram { display: grid; grid-template-columns: repeat(3,92px); gap: 8px; }
.pillar-diagram > button { padding: 10px; display: grid; gap: 5px; text-align: center; color: var(--ink); background: #f2eee4; border: 1px solid var(--line); border-radius: 10px; }
.pillar-diagram > button:hover { border-color:#8eaa9a; box-shadow:0 6px 15px rgba(35,76,66,.1); }
.pillar-diagram > button.active { color:#fff; background:var(--green); border-color:var(--green); }
.pillar-diagram small { font-size: .55rem; }.pillar-diagram b { padding:5px;background:rgba(255,255,255,.55);border-radius:5px;font:.75rem "Yu Mincho",serif}.pillar-diagram .active b{color:var(--green)}
.diagram-link-row { display:flex; flex-wrap:wrap; justify-content:center; gap:6px; }
.diagram-link-row button { padding:5px 9px; color:var(--green); background:var(--green-soft); border:0; border-radius:999px; font-size:.55rem; font-weight:900; }

.mini-body-chart { width: min(100%,330px); display: grid; grid-template-columns: repeat(3,1fr); grid-template-areas: ". north ." "west center east" ". south ."; gap: 7px; }
.mini-body-chart .north{grid-area:north}.mini-body-chart .west{grid-area:west}.mini-body-chart .center{grid-area:center}.mini-body-chart .east{grid-area:east}.mini-body-chart .south{grid-area:south}

.star-family { width: 100%; display: grid; grid-template-columns: repeat(5,1fr); gap: 6px; }
.star-family > div { padding: 8px; display: grid; gap: 5px; background: #f3efe5; border-radius: 9px; }
.instinct-link { padding:3px; text-align:center; color:var(--red); background:transparent; border:0; font-size:.58rem; font-weight:900; }
.instinct-link:hover { text-decoration:underline; }
.star-family .visual-node { min-width: 0; min-height: 45px; padding: 6px 3px; }

.life-stage-line, .time-band { width: 100%; display: grid; grid-template-columns: repeat(6,1fr); gap: 5px; }
.life-stage-line .visual-node, .time-band .visual-node { min-width: 0; min-height: 52px; padding: 5px 3px; }
.life-stage-line .visual-node strong, .time-band .visual-node strong { font-size: .68rem; }
.life-stage-line .visual-node small, .time-band .visual-node small { font-size: .46rem; }

.family-tree { display: grid; justify-items: center; gap: 3px; }
.family-tree > div { display: flex; align-items: center; justify-content: center; gap: 9px; }
.family-tree > b { color: var(--gold); }.family-tree i { color: var(--gold); font-style: normal; }

@media (max-width:1050px) {
  .hero-layout { grid-template-columns: minmax(0,900px); }
  .topic-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .mini-topic-grid { grid-template-columns:repeat(4,minmax(0,1fr)); }
  .chart-workspace { grid-template-columns:1fr; }
}
@media (max-width:760px) {
  .site-header { position:static; padding:12px 15px; align-items:flex-start; flex-direction:column; gap:9px; }
  nav { width:100%; overflow-x:auto; }
  .nav-button { flex:0 0 auto; }
  .course-levels { padding: 9px 13px; overflow-x: auto; }
  .course-levels-label { display: none; }
  .course-level { min-width: 128px; }
  .search-hero { min-height:0; padding:42px 20px; }
  .hero-layout { grid-template-columns: 1fr; }
  .search-hero h1 { font-size:2.45rem; }
  .search-box { min-height:58px; padding-left:13px; }
  .corpus-stats { width:100%; }
  .corpus-stats div { flex:1; min-width:0; padding:9px 4px; }
  .topic-browser,.inner-view { padding-left:14px; padding-right:14px; }
  .fundamentals-map { padding: 50px 14px 18px; }
  .fundamentals-heading { grid-template-columns: 1fr; gap: 11px; }
  .sanmei-map { padding: 17px; }
  .map-main-branches { grid-template-columns: 1fr; }
  .map-split span:first-child { margin-left: 8%; }.map-split span:last-child { margin-right: 8%; }
  .term-visual-canvas { padding: 13px; }
  .star-family { grid-template-columns: repeat(2,1fr); }
  .star-family > div:last-child { grid-column: 1 / -1; }
  .element-cycle, .instinct-cycle, .fortune-line, .combination-line, .practice-cycle, .method-steps, .foundation-flow { flex-wrap: wrap; gap: 5px; }
  .term-visual-canvas > b, .element-cycle > b, .instinct-cycle > b, .fortune-line > b, .combination-line > b, .practice-cycle > b, .method-steps > b, .foundation-flow > b { margin: 0 2px; }
  .topic-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .mini-topic-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .chart-workspace { grid-template-columns:1fr; }
  .pillar-cards,.substar-study-row { grid-template-columns:1fr; }
  .manual-pillars,.manual-substar-grid,.manual-star-grid { grid-template-columns:1fr; }
  .star-study-map { grid-template-columns:1fr 1fr; grid-template-areas:"center center" "east west" "north south"; }
  .source-item summary { align-items:flex-start; flex-wrap:wrap; }
  .source-time { width:100%; }
}
@media (max-width:470px) {
  .site-header nav { padding-bottom: 3px; }
  .concept-visual { padding: 14px; }
  .concept-visual-heading { display: block; }
  .concept-visual-heading > span { display: block; margin-bottom: 2px; }
  .visual-node { min-width: 60px; }
  .pillar-diagram { grid-template-columns: repeat(3,1fr); width: 100%; }
  .life-stage-line, .time-band { grid-template-columns: repeat(4,1fr); }
  .star-map-pair { grid-template-columns: 1fr; }
  .map-keywords { grid-template-columns: repeat(2,1fr); }
  .topic-grid { grid-template-columns:1fr; }
  .topic-card { min-height:145px; }
}