:root {
  --paper: #fcfaf4;
  --paper-rgb: 252, 250, 244;
  --paper-deep: #f7f9ed;
  --paper-header: #f8f3e9;
  --ink: #283630;
  --forest: #53695f;
  --muted: #6d7973;
  --sun: #efb69f;
  --sun-rgb: 239, 182, 159;
  --sun-light: #fbeaec;
  --moon: #7f9bb3;
  --moon-rgb: 201, 216, 235;
  --moon-light: #e8eff6;
  --lavender: #d8d2ea;
  --lavender-rgb: 216, 210, 234;
  --sage: #bed2ac;
  --sage-rgb: 190, 210, 172;
  --young-leaf: #cfe2b4;
  --young-leaf-rgb: 207, 226, 180;
  --apricot: #f8e1e6;
  --apricot-rgb: 248, 225, 230;
  --natural-ink: #34483f;
  --line: #ded5c7;
  --white: #fffdf9;
  --main-title-size: clamp(32px, 2.75vw, 35px);
  --main-title-mobile-size: clamp(24px, 6.8vw, 26px);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 34% 14% at 0 20%, rgba(var(--young-leaf-rgb), .13), transparent 75%),
    radial-gradient(ellipse 30% 13% at 100% 68%, rgba(var(--apricot-rgb), .11), transparent 76%),
    var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .035em;
}
img { max-width: 100%; }
img[hidden] { display: none !important; }
a { color: inherit; }
.wrap { width: min(88%, var(--max)); margin: auto; }
h1, h2, h3, .brand { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; }
h2 { margin: 0 0 28px; font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 400; line-height: 1.5; }
h3 { font-size: 1.35rem; font-weight: 400; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: var(--natural-ink);
  background:
    radial-gradient(ellipse 32% 150% at 4% 0, rgba(var(--young-leaf-rgb), .34), transparent 76%),
    radial-gradient(ellipse 27% 145% at 96% 0, rgba(var(--apricot-rgb), .31), transparent 78%),
    rgba(252, 250, 244, .97);
  border-bottom: 1px solid #d9e7ca;
}
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.home-page .site-header { position: relative; }
.brand { font-size: 1.08rem; letter-spacing: .14em; text-decoration: none; }
.brand { position: relative; display: grid; grid-template-columns: 34px auto; grid-template-rows: auto auto; column-gap: 10px; align-items: center; line-height: 1.25; }
.brand::before { content: ""; grid-column: 1; grid-row: 1 / 3; width: 34px; aspect-ratio: 1; background: url("../images/header-symbol.svg") center / contain no-repeat; }
.brand::after { content: none; display: none; }
.nav { display: flex; gap: 24px; }
.nav a { font-size: .84rem; text-decoration: none; transition: color .2s ease; }
.nav a:hover, .nav a:focus-visible { color: #cf806f; }
.menu-button { display: none; border: 0; background: none; font-size: 1.5rem; }

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 84vh;
  padding: 12vh 0 6vh;
  overflow: hidden;
  color: white;
  background: url('../images/hero.webp') center center / cover no-repeat;
}
.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(18,39,35,.25), rgba(18,39,35,.07));
}
.hero-content { position: relative; z-index: 2; width: min(92%, 1280px); margin: 0 auto; text-shadow: 0 1px 9px rgba(0,0,0,.22); }
.eyebrow { font-size: .78rem; letter-spacing: .22em; text-transform: uppercase; }
.hero h1, .page-hero h1 { margin: .15em 0; font-weight: 400; }
.page-hero h1 { font-size: clamp(2.3rem, 7vw, 5.7rem); line-height: 1.3; }
.hero p { font-size: clamp(1rem, 2vw, 1.35rem); }
.hero h1 {
  max-width: 560px;
  font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(23px, 1.85vw, 28px);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: .035em;
}
.hero h1 > span { display: block; }
.hero-copy-last { white-space: nowrap; }
.dance-introduction { padding: 88px 0; border-bottom: 1px solid var(--line); }
.introduction-inner { max-width: 760px; }
.dance-introduction h2 { margin-bottom: 32px; }
.dance-introduction p { margin: 0 0 1.4em; font-size: clamp(1.05rem, 1.8vw, 1.25rem); line-height: 2; }
.dance-introduction p:last-child { margin-bottom: 0; }
.lead h2 { margin-bottom: 1.5em; }
.closing-message { margin-top: 3em; padding-top: 1.5em; border-top: 1px solid var(--line); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.08rem, 2vw, 1.35rem); }

.section { padding: 100px 0; }
.section.compact { padding: 64px 0; }
.lead { max-width: 720px; margin: auto; font-size: clamp(1.08rem, 2vw, 1.35rem); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: center; }
.story-row { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: center; }
.story-row.reverse .content-photo { order: 2; }
.story-row.reverse .story-copy { order: 1; }

/* 主要写真：元画像の縦横比をそのまま表示する */
img[src$="moon.webp"],
img[src*="sun.webp"],
img[src$="about.webp"],
img[src$="profile.webp"],
img[src$="online.webp"],
img[src$="garden.webp"] {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 26px;
}
.online-class > img[src$="online.webp"] { margin-bottom: 38px; }

.button { display: inline-block; margin-top: 20px; padding: 10px 24px; color: var(--ink); border: 1px solid #bbaa94; text-decoration: none; transition: .25s; }
.button:hover, .button:focus-visible { color: var(--ink); border-color: var(--sun); background: var(--sun-light); }
.moon-bg { color: var(--ink); background: #f3f9eb; border-block: 1px solid rgba(var(--young-leaf-rgb), .72); }
.sun-bg { color: var(--ink); background: #fcecee; border-block: 1px solid rgba(var(--apricot-rgb), .68); }
.bridge { text-align: center; background: linear-gradient(105deg, #f3f9eb, var(--paper) 48%, #fbeaec); }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { padding: 30px; background: var(--white); border-top: 2px solid var(--forest); }
.page-hero { padding: 110px 0 65px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.2rem, 6vw, 4.6rem); }
.prose { max-width: 760px; margin: auto; }
.prose section { padding: 55px 0; border-bottom: 1px solid var(--line); }
.details { display: grid; grid-template-columns: 140px 1fr; border-top: 1px solid var(--line); }
.details dt, .details dd { margin: 0; padding: 12px; border-bottom: 1px solid var(--line); }
.form { max-width: 720px; }
.field { margin: 0 0 24px; }
.field label { display: block; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; padding: 13px; border: 1px solid var(--line); background: var(--white); color: var(--ink); font: inherit; }
.field textarea { min-height: 180px; }
.hp { position: absolute; left: -9999px; }
.turnstile-field { min-height: 4px; margin: 4px 0 8px; }
.turnstile-widget { max-width: 100%; }
.turnstile-status { min-height: 1.5em; margin: 8px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.form button[disabled] { cursor: wait; opacity: .62; }
.center { text-align: center; }
.small { font-size: .8rem; }

.online-summary, .online-class { grid-column: 1 / -1; }
.class-pair, .online-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 26px 0; background: var(--line); }
.class-pair > div, .online-part { padding: 24px; background: var(--paper); }
.class-pair strong, .class-pair span { display: block; }
.moon-class, .moon-part { border-top: 3px solid var(--moon); }
.sun-class, .sun-part { border-top: 3px solid var(--sun); }
.online-class { padding: clamp(28px, 5vw, 60px); }
.online-intro { max-width: 760px; margin: 0 auto 38px; text-align: center; }
.online-part h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.online-details { max-width: 760px; margin: 38px auto 0; }

/* レッスンページ：実在の空間を想起させない抽象装飾 */
.lessons-page .lessons-hero { padding: 68px 0 52px; }
.lessons-page .lessons-hero h1 { margin: 0 0 12px; font-size: clamp(40px, 4vw, 46px); line-height: 1.45; }
.lessons-page .lessons-hero p { max-width: 680px; margin: 0; font-size: 17px; line-height: 1.85; }
.lessons-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 34px; }
.lessons-list > .center { margin: 8px 0 0; }
.lesson-entry { width: 100%; padding: clamp(34px, 5vw, 58px); border: 1px solid var(--line); background: var(--white); }
.lesson-entry h2 { margin: 0 0 20px; font-size: clamp(30px, 3vw, 36px); line-height: 1.5; }
.lesson-entry p, .lesson-entry li, .lesson-entry dt, .lesson-entry dd { font-size: 17px; line-height: 1.85; }
.lesson-entry > p, .lesson-entry > .details, .lesson-entry > .online-intro, .lesson-entry > .online-details { max-width: 780px; }
.lesson-entry > p { margin-right: auto; }
.lesson-label { margin: 0 0 8px; color: var(--forest); font-size: 12px !important; font-weight: 600; line-height: 1.5 !important; letter-spacing: .18em; }
.lessons-page .online-class { padding: clamp(34px, 5vw, 58px); }
.lessons-page .online-intro { margin-bottom: 38px; }
.lessons-page .online-intro h2 { font-size: clamp(30px, 3vw, 36px); }
.lessons-page .online-pair { margin: 30px 0; background: transparent; gap: 18px; }
.lessons-page .online-part { padding: clamp(26px, 3.5vw, 40px); border: 1px solid var(--line); }
.lessons-page .online-part h3 { margin-top: 0; font-size: clamp(26px, 2.5vw, 31px); line-height: 1.5; }
.lessons-page .moon-part { background: #f3f9eb; border-top: 2px solid var(--young-leaf); }
.lessons-page .sun-part { background: var(--sun-light); border-top: 2px solid var(--sun); }
.garden-entry { background: #f3f9eb; }
.private-entry { background: #fcecee; }
.inperson-entry { background: var(--white); }
.inperson-entry .lesson-photo { display: block; width: 100%; max-width: 820px; height: auto; margin: 0 auto 30px 0; }

/* プロフィールページの長文用文字組み */
.profile-page .page-hero { padding-top: 76px; }
.profile-page .profile-intro { padding-bottom: 110px; }
.profile-page .profile-photo { display: block; width: 100%; max-width: 720px; height: auto; margin: 0 auto 64px; }
.profile-page .profile-copy { max-width: 700px; margin-inline: auto; font-size: 17px; line-height: 1.9; }
.profile-page .profile-copy p { margin: 0 0 1.55em; }
.profile-page .profile-quote { margin-block: 2.4em; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1em; font-weight: 600; }
.profile-page .profile-treasure h2 { margin-bottom: 1.5em; font-size: clamp(30px, 3vw, 34px); }

.site-footer {
  padding: 60px 0;
  color: var(--natural-ink);
  border-top: 1px solid #d3e3c5;
  background:
    radial-gradient(ellipse 42% 115% at 0 10%, rgba(var(--young-leaf-rgb), .42), transparent 76%),
    radial-gradient(ellipse 38% 110% at 100% 12%, rgba(var(--young-leaf-rgb), .22), transparent 78%),
    linear-gradient(180deg, #fafbf4, #f3f8ed);
}
.footer-grid { display: block; text-align: center; }
.footer-brand { margin-bottom: 24px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; letter-spacing: .11em; }
.footer-links { display: flex; justify-content: center; gap: 16px 26px; flex-wrap: wrap; }
.footer-links a,
.footer-external-links a { transition: color .2s ease; }
.footer-links a:hover,
.footer-links a:focus-visible,
.footer-external-links a:hover,
.footer-external-links a:focus-visible { color: #cf806f; }
.footer-external-links {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 26px;
  margin-top: 24px;
  padding-top: 21px;
}
.footer-external-links::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 48px;
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--young-leaf), var(--apricot), transparent);
}
.footer-external-links a { display: inline-flex; align-items: center; gap: 7px; }
.instagram-icon { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.55; }
.instagram-icon .instagram-dot { fill: currentColor; stroke: none; }
.youtube-icon { position: relative; width: 18px; height: 13px; border: 1.4px solid currentColor; border-radius: 4px; }
.youtube-icon::after { content: ""; position: absolute; top: 50%; left: 52%; transform: translate(-40%, -50%); border-top: 3px solid transparent; border-bottom: 3px solid transparent; border-left: 5px solid currentColor; }
.about-motto .prose > .button { margin-top: 34px; vertical-align: middle; }
.about-watch-link { display: inline-block; margin: 34px 0 0 18px; font-size: 14px; vertical-align: middle; text-underline-offset: .28em; }
.footer-copyright { margin-top: 25px; color: #68796f; letter-spacing: .06em; }

@media (max-width: 760px) {
  .header-inner { height: 64px; }
  .menu-button { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 25px 6%; flex-direction: column; background: linear-gradient(135deg, #fcfaf4, #f6faec 58%, #fbeaec); border-bottom: 1px solid #d9e7ca; }
  .nav.open { display: flex; }
  .hero { min-height: clamp(330px, 85vw, 420px); padding: 5vh 0 4vh; }
  .hero-video { object-position: center 38%; }
  .hero h1 { max-width: 100%; font-size: clamp(22px, 5.75vw, 24px); line-height: 1.66; letter-spacing: .025em; }
  .hero-copy-last { font-size: inherit; }
  .dance-introduction { padding: 68px 0; }
  .section { padding: 70px 0; }
  .split, .story-row { grid-template-columns: 1fr; gap: 28px; }
  .story-row.reverse .content-photo, .story-row.reverse .story-copy { order: initial; }
  .cards, .class-pair, .online-pair { grid-template-columns: 1fr; }
  .online-class { padding: 28px 20px; }
  .lessons-page .lessons-hero { padding: 44px 0 36px; }
  .lessons-page .lessons-hero h1 { margin-bottom: 10px; font-size: clamp(31px, 9vw, 36px); }
  .lessons-page .lessons-hero p { font-size: 16px; line-height: 1.85; }
  .lessons-list { gap: 24px; }
  .lesson-entry, .lessons-page .online-class { padding: 28px 22px; }
  .lesson-entry h2, .lessons-page .online-intro h2 { font-size: clamp(25px, 7.6vw, 30px); }
  .lesson-entry p, .lesson-entry li, .lesson-entry dt, .lesson-entry dd { font-size: 16px; line-height: 1.85; }
  .lessons-page .online-pair { gap: 14px; }
  .lessons-page .online-part { padding: 25px 20px; }
  .lessons-page .online-part h3 { font-size: clamp(24px, 7vw, 28px); }
  .inperson-entry .lesson-photo { margin-bottom: 24px; }
  .profile-page .page-hero { padding-top: 48px; }
  .profile-page .profile-intro { padding-bottom: 76px; }
  .profile-page .profile-photo { margin-bottom: 44px; }
  .profile-page .profile-copy { font-size: 16px; line-height: 1.9; }
  .profile-page .profile-treasure h2 { font-size: clamp(24px, 7vw, 28px); }
  .details { grid-template-columns: 1fr; }
  .details dd { padding-top: 0; }
  .footer-links { gap: 12px 20px; }
  .footer-site-links { max-width: 320px; margin-inline: auto; }
  .footer-external-links { gap: 24px; margin-top: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* レッスン一覧：詳細ページを選ぶための入口 */
.lessons-lead-photo { padding-top: 48px; }
.lessons-lead-photo img { display: block; width: 100%; height: auto; }
.lesson-entrances { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(36px, 5vw, 56px); }
.lesson-entrance { padding: clamp(34px, 5vw, 58px); border: 0; background: var(--white); }
.lesson-entrance h2 { margin: 0 0 18px; font-size: clamp(30px, 3vw, 36px); line-height: 1.5; }
.lesson-entrance p, .lesson-entrance li { max-width: 760px; font-size: 17px; line-height: 1.85; }
.lesson-entrance .lesson-subtitle { margin: -12px 0 22px; color: var(--muted); font-size: 14px; letter-spacing: .11em; }
.lesson-entrance .lesson-meta { margin: 22px 0 0; color: var(--muted); font-size: 14px; letter-spacing: .08em; }
.entrance-online { border-top: 2px solid var(--young-leaf); background: #f3f9eb; }
.entrance-private { background: #fcecee; }
.entrance-garden { background: #f4faed; }
.entrance-inperson { background: var(--white); }
.entrance-inperson .lesson-photo { display: block; width: min(100%, 620px); height: auto; margin: 0 0 30px; }
.basic-list { margin: 20px 0 24px; padding-left: 1.4em; }
.basic-list li + li { margin-top: .25em; }
.status-message, .lesson-catch { margin-block: 24px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(19px, 2vw, 23px) !important; }

/* レッスン詳細ページ */
.lesson-detail-page .detail-hero { padding: 74px 0 58px; }
.lesson-detail-page .detail-hero h1 { margin: 4px 0 14px; font-size: clamp(38px, 4vw, 48px); line-height: 1.45; }
.lesson-detail-page .detail-hero p { max-width: 720px; margin: 0; font-size: 17px; }
.detail-content { max-width: 880px; padding-top: 70px; padding-bottom: 100px; }
.detail-block { padding: 52px 0; border-bottom: 1px solid var(--line); }
.detail-block:first-of-type { padding-top: 0; }
.detail-block h2 { margin-bottom: 28px; font-size: clamp(28px, 3vw, 34px); }
.detail-block h3 { margin: 38px 0 16px; font-size: clamp(21px, 2.2vw, 25px); }
.detail-block p, .detail-block li, .detail-block dt, .detail-block dd { font-size: 17px; line-height: 1.9; }
.detail-block p, .detail-block ul, .detail-block blockquote, .detail-block .details { max-width: 720px; }
.detail-block blockquote { margin: 24px 0; padding: 24px 28px; border-left: 2px solid #9baca5; background: rgba(255, 253, 248, .8); font-size: 16px; line-height: 1.9; }
.lesson-real-media { width: min(72%, 760px); margin: 18px auto 54px; }
.lesson-real-media img,
.lesson-real-media video { display: block; width: 100%; height: auto; border-radius: 9px; }
.lesson-real-media figcaption { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.6; text-align: center; }
.moon-class-video { width: min(46%, 430px); margin: 42px auto 48px; }
.moon-class-video video { display: block; width: 100%; height: auto; border-radius: 9px; }
.moon-class-video figcaption { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.6; text-align: center; }
.moon-detail { padding-inline: clamp(22px, 4vw, 42px); background: #f4faed; border-top: 1px solid #dcebcf; }
.sun-detail { padding-inline: clamp(22px, 4vw, 42px); background: #fcecee; border-top: 1px solid #f1dfe3; }
.detail-main-photo { display: block; width: 100%; height: auto; margin: 0 0 64px; }
.back-link { margin-top: 48px; }
.back-link a { text-underline-offset: .25em; }

@media (max-width: 760px) {
  .lessons-lead-photo { width: 100%; padding-top: 28px; }
  .lesson-entrances { gap: 22px; }
  .lesson-entrance { padding: 28px 22px; }
  .lesson-entrance h2 { font-size: clamp(25px, 7.6vw, 30px); }
  .lesson-entrance p, .lesson-entrance li { font-size: 16px; }
  .entrance-inperson .lesson-photo { margin-bottom: 24px; }
  .lesson-detail-page .detail-hero { padding: 48px 0 40px; }
  .lesson-detail-page .detail-hero h1 { font-size: clamp(30px, 9vw, 36px); }
  .lesson-detail-page .detail-hero p { font-size: 16px; line-height: 1.85; }
  .detail-content { padding-top: 46px; padding-bottom: 72px; }
  .detail-block { padding: 40px 0; }
  .detail-block h2 { font-size: clamp(25px, 7.5vw, 29px); }
  .detail-block h3 { font-size: clamp(20px, 6vw, 23px); }
  .detail-block p, .detail-block li, .detail-block dt, .detail-block dd { font-size: 16px; }
  .detail-block blockquote { padding: 20px; font-size: 16px; }
  .lesson-real-media { width: 100%; margin: 8px auto 42px; }
  .lesson-real-media img,
  .lesson-real-media video { border-radius: 7px; }
  .moon-class-video { width: 76%; margin: 34px auto 42px; }
  .moon-class-video video { border-radius: 7px; }
  .moon-detail, .sun-detail { padding-inline: 20px; }
  .detail-main-photo { margin-bottom: 42px; }
}

/* ページ内ナビゲーション */
.page-index { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding-top: 34px; }
.page-index a { display: flex; min-height: 52px; align-items: center; justify-content: center; padding: 10px 14px; border: 1px solid var(--line); background: rgba(255, 253, 248, .58); font-size: 14px; line-height: 1.55; text-align: center; text-decoration: none; }
.page-index a:hover, .page-index a:focus-visible { background: var(--white); border-color: var(--forest); }
.class-index { grid-template-columns: repeat(2, minmax(0, 220px)); justify-content: center; }
.lesson-entrance, .detail-block { scroll-margin-top: 96px; }

/* 月・太陽の細線アイコン */
.class-heading { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; margin-bottom: 8px; }
.class-heading h2 { margin: 0; }
.class-kicker { display: flex; align-items: center; gap: 10px; }
.class-heading .class-icon { display: block; width: 82px; height: 82px; object-fit: contain; }
.sun-class-video { width: min(62%, 620px); margin: 42px auto 48px; }
.sun-class-video figcaption { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.6; text-align: center; }
.sun-class-video .youtube-lite { overflow: hidden; aspect-ratio: 16 / 9; border-radius: 9px; background: #eef1e9; }
.sun-class-video .youtube-lite > button { position: relative; display: block; width: 100%; height: 100%; padding: 0; overflow: hidden; border: 0; background: transparent; cursor: pointer; }
.sun-class-video .youtube-lite > button > img { display: block; width: 100%; height: 100%; object-fit: cover; }
.sun-class-video .youtube-lite-play { position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; transform: translate(-50%, -50%); border: 1px solid rgba(255,255,255,.75); border-radius: 50%; background: rgba(255,253,248,.88); }
.sun-class-video .youtube-lite-play::after { content: ""; position: absolute; top: 50%; left: 52%; transform: translate(-42%, -50%); border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 13px solid #667d70; }
.sun-class-video .youtube-lite > iframe { display: block; width: 100%; height: 100%; border: 0; }
.recommended-list { padding: 0 !important; list-style: none; }
.recommended-list li { position: relative; padding-left: 1.7em; }
.recommended-list li + li { margin-top: .45em; }
.recommended-list li::before { content: "○"; position: absolute; left: 0; top: 0; color: #718b88; font-size: .76em; }
.growth-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 34px; margin-top: 18px; padding: 0 !important; list-style: none; }
.growth-list li { padding: 13px 2px; border-bottom: 1px solid rgba(70, 98, 85, .24); }
.moon-detail .growth-list li { border-color: rgba(105, 135, 148, .3); }
.sun-detail .growth-list li { border-color: rgba(178, 149, 79, .3); }
.voice { margin-top: 26px; }
.voice-label { color: var(--forest); font-size: 13px; letter-spacing: .12em; }
.voice-note { margin: -10px 0 0 28px; font-size: 14px !important; color: #59645f; }
.private-testimonial { max-width: 760px; padding: 42px clamp(24px, 4vw, 46px); background: radial-gradient(ellipse at 100% 0, rgba(var(--apricot-rgb), .13), transparent 42%), radial-gradient(ellipse at 0 100%, rgba(var(--young-leaf-rgb), .14), transparent 44%), rgba(var(--paper-rgb), .78); }
.private-testimonial header { margin-bottom: 32px; padding-bottom: 20px; border-bottom: 1px solid rgba(70, 98, 85, .17); }
.private-testimonial header strong, .private-testimonial header span { display: block; }
.private-testimonial header strong { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 19px; font-weight: 400; }
.private-testimonial header span { margin-top: 5px; color: #66736d; font-size: 14px; }
.private-testimonial-body p { margin: 0 0 1.65em; font-size: 16px; line-height: 2; }
.private-testimonial-body p:last-child { margin-bottom: 0; }

/* 太陽と月が溶け合う水彩モチーフ */
.yin-yang-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, 290px); align-items: center; gap: clamp(42px, 7vw, 88px); }
.yin-yang-copy { min-width: 0; }
.yin-yang-motif { width: 100%; max-width: 290px; aspect-ratio: 1; margin: 0; justify-self: end; background: url("../images/yin-yang-selected-transparent.webp") center / contain no-repeat; }
.yin-yang-motif img { display: block; width: 100%; height: auto; opacity: 0; }

/* About page: photo, yin-yang flow, and restrained watercolor accents */
.about-page { background: var(--paper); }
.about-page > .page-hero { position: relative; overflow: hidden; padding: 42px 0 26px; text-align: center; border-bottom: 0; background: radial-gradient(ellipse at 12% 82%, rgba(var(--young-leaf-rgb), .2), transparent 36%), radial-gradient(ellipse at 92% 8%, rgba(var(--apricot-rgb), .12), transparent 30%), var(--paper); }
.about-page > .page-hero::after { content: ""; position: absolute; top: -52px; right: max(-42px, calc((100vw - 1320px) / 2)); width: 230px; aspect-ratio: 260 / 180; background: url("../images/young-leaves.svg") center / contain no-repeat; opacity: .12; transform: rotate(7deg); pointer-events: none; }
.about-page > .page-hero .eyebrow { font-size: 13px; }
.about-page > .page-hero h1 { margin-top: 0; font-size: clamp(34px, 2.6vw, 36px); line-height: 1.35; }
.about-page > .page-hero h1::after { content: ""; display: block; width: 54px; height: 1px; margin: 16px auto 0; background: linear-gradient(90deg, transparent, var(--sun), transparent); }
.about-intro { position: relative; padding: 26px 0 84px; background: radial-gradient(ellipse at 24% 44%, rgba(var(--young-leaf-rgb), .2), transparent 36%), radial-gradient(ellipse at 38% 76%, rgba(var(--apricot-rgb), .13), transparent 30%), var(--paper); }
.about-intro .story-row { width: min(92%, 1180px); grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr); gap: clamp(50px, 5vw, 70px); }
.about-intro .story-copy { max-width: 500px; }
.about-intro .story-copy strong { color: #b96f3d; font-weight: 500; }
.about-intro-photo { margin: 0; overflow: visible; }
.about-intro-photo .content-photo { display: block; width: 100%; height: auto; margin: 0; border-radius: 0; -webkit-mask-image: radial-gradient(ellipse 86% 76% at 59% 50%, #000 69%, rgba(0,0,0,.94) 78%, rgba(0,0,0,.56) 89%, transparent 100%); mask-image: radial-gradient(ellipse 86% 76% at 59% 50%, #000 69%, rgba(0,0,0,.94) 78%, rgba(0,0,0,.56) 89%, transparent 100%); }
.about-polarity-section { position: relative; overflow: hidden; padding-block: 72px 86px; background: var(--white); }
.about-polarity-section::before { content: ""; position: absolute; inset: 0 -2%; background: url("../images/about-polarity-watercolor.svg") center / min(106%, 1480px) 100% no-repeat; opacity: .88; pointer-events: none; }
.about-polarity-section::after { content: none; }
.about-polarity { position: relative; z-index: 1; display: grid; width: min(92%, 1230px); grid-template-columns: minmax(270px, 1fr) minmax(370px, 420px) minmax(270px, 1fr); gap: clamp(32px, 3vw, 46px); align-items: center; max-width: none; }
.polarity-side { min-width: 0; text-align: left; }
.polarity-side h2 { position: relative; margin: 10px 0 22px; padding-top: 66px; font-size: clamp(28px, 3vw, 38px); text-align: center; }
.polarity-side h2::before { content: ""; position: absolute; top: 0; left: 50%; width: 52px; aspect-ratio: 1; transform: translateX(-50%); background-position: center; background-size: contain; background-repeat: no-repeat; }
.polarity-side h2::after { content: ""; display: block; width: 74px; height: 1px; margin: 14px auto 0; background: currentColor; opacity: .42; }
.polarity-sun h2 { color: #aa6539; }
.polarity-sun h2::before { background-image: url("../images/about-sun-mark.svg"); }
.polarity-moon h2 { color: #537e9b; }
.polarity-moon h2::before { background-image: url("../images/about-moon-mark.svg"); }
.polarity-side p { margin: 0 0 1.35em; font-size: 16px; line-height: 1.9; }
.polarity-side p:last-child { margin-bottom: 0; }
.polarity-sun .eyebrow { color: #a96d52; text-align: center; }
.polarity-moon .eyebrow { color: #607f90; text-align: center; }
.polarity-motif { width: 100%; max-width: 415px; aspect-ratio: 1; margin: 0 auto; background: url("../images/yin-yang-selected-transparent.webp") center / 150% auto no-repeat; }
.polarity-mobile-art { display: none !important; }
.about-crossing { position: relative; overflow: hidden; padding-block: 62px; text-align: center; background: radial-gradient(ellipse 38% 78% at 5% 45%, rgba(var(--young-leaf-rgb), .15), transparent 78%), radial-gradient(ellipse 34% 74% at 96% 58%, rgba(var(--apricot-rgb), .14), transparent 78%), var(--paper); }
.about-crossing::before { content: ""; position: absolute; inset: 0; background: url("../images/about-crossing-watercolor.svg") center / 100% 100% no-repeat; pointer-events: none; }
.about-crossing::after { content: none; }
.about-crossing .prose { position: relative; z-index: 1; max-width: 680px; }
.about-crossing h2 { margin-bottom: 30px; font-size: clamp(1.65rem, 3.25vw, 2.55rem); }
.about-motto { position: relative; overflow: hidden; background: var(--white); }
.about-motto::before { content: ""; position: absolute; inset: 0; background: url("../images/about-motto-watercolor.webp") center / cover no-repeat; opacity: .88; pointer-events: none; }
.about-motto::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 18% 25% at 94% 91%, rgba(255,255,255,.26), rgba(255,255,255,.16) 48%, transparent 78%), radial-gradient(ellipse 30% 72% at center, rgba(255,255,255,.97) 0 48%, rgba(255,255,255,.82) 70%, transparent 91%); pointer-events: none; }
.about-motto .prose { position: relative; z-index: 1; }

/* TOP：各詳細ページへ進むためのシンプルな入口 */
.home-centered-entry { max-width: 760px; text-align: center; }
.home-centered-entry h2 { margin-bottom: 24px; }
.home-centered-entry p { margin: 0 auto 30px; font-size: clamp(17px, 1.8vw, 20px); line-height: 2; }
.home-dance-entry { position: relative; overflow: hidden; padding-block: clamp(64px, 7vw, 90px); background: radial-gradient(ellipse at 17% 62%, rgba(var(--apricot-rgb), .17), transparent 32%), radial-gradient(ellipse at 84% 62%, rgba(var(--young-leaf-rgb), .2), transparent 33%), var(--paper); }
.home-dance-layout { max-width: 1160px; text-align: center; }
.home-dance-layout > h2 { margin-bottom: 17px; font-size: clamp(36px, 3.3vw, 38px); }
.home-dance-intro { max-width: 720px; margin: 0 auto 46px; }
.home-dance-intro p { margin: 0; font-size: clamp(16px, 1.45vw, 18px); line-height: 1.95; }
.home-dance-intro p + p { margin-top: 12px; }
.home-polarity { display: grid; grid-template-columns: minmax(250px, 1fr) minmax(230px, 280px) minmax(250px, 1fr); gap: clamp(28px, 4vw, 52px); align-items: center; margin-bottom: 44px; }
.home-polarity-side { text-align: center; }
.home-polarity-side h3 { margin: 0 0 15px; font-size: clamp(24px, 2.1vw, 30px); font-weight: 500; letter-spacing: .08em; }
.home-polarity-side p { margin: 0; font-size: clamp(16px, 1.35vw, 18px); line-height: 1.9; }
.home-polarity-sun h3 { color: #a85f3e; }
.home-polarity-moon h3 { color: #54798b; }
.home-yin-yang { width: 100%; max-width: 280px; aspect-ratio: 1; margin: 0 auto; background: url("../images/yin-yang-selected-transparent.webp") center / contain no-repeat; }
.home-polarity-summary { margin: -4px auto 30px; font-size: clamp(17px, 1.5vw, 19px); line-height: 1.95; text-align: center; }
.home-dance-layout > .button { justify-self: center; }
.home-lessons-entry { position: relative; overflow: hidden; padding-block: 80px; background: var(--white); }
.home-lessons-entry::before { content: ""; position: absolute; inset: 0; background: url("../images/about-motto-watercolor.webp") center / cover no-repeat; opacity: .32; pointer-events: none; }
.home-lessons-entry::after { content: ""; position: absolute; inset: 8% 14%; background: radial-gradient(ellipse at center, rgba(255,253,249,.98) 0 48%, rgba(255,253,249,.88) 69%, transparent 91%); pointer-events: none; }
.home-lessons-entry .home-centered-entry { position: relative; z-index: 1; max-width: 900px; }
.home-lessons-entry h2 { font-size: clamp(1.75rem, 3.55vw, 2.7rem); }
.home-lesson-types { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 900px; margin: 38px auto 18px; padding: 0; list-style: none; }
.home-lesson-types li { position: relative; display: flex; min-height: 138px; align-items: stretch; justify-content: center; padding: 0 24px; font-size: 14px; line-height: 1.65; }
.home-lesson-types li + li::after { content: ""; position: absolute; top: 22px; bottom: 14px; left: 0; width: 1px; background: linear-gradient(transparent, rgba(70,98,85,.18) 22%, rgba(70,98,85,.18) 78%, transparent); }
.home-lesson-types a { position: relative; display: flex; width: 100%; flex-direction: column; align-items: center; justify-content: flex-end; padding-top: 84px; text-decoration: none; text-underline-offset: .25em; }
.home-lesson-types a::before { content: ""; position: absolute; top: 0; left: 50%; width: 72px; height: 72px; transform: translateX(-50%); background-position: center; background-size: contain; background-repeat: no-repeat; opacity: 1; filter: none; }
.lesson-type-online a::before { background-image: url("../images/lesson-icon-online.webp"); }
.lesson-type-private a::before { width: 70px; height: 70px; background-image: url("../images/lesson-icon-private.webp"); }
.lesson-type-garden a::before { background-image: url("../images/lesson-icon-garden.webp"); }
.lesson-type-inperson a::before { width: 70px; height: 70px; background-image: url("../images/lesson-icon-inperson.webp"); }
.home-lesson-types span { margin-bottom: 2px; color: var(--muted); font-size: 12px; letter-spacing: .1em; }
.home-lesson-types strong { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 16px; font-weight: 400; letter-spacing: .06em; }
.home-lesson-types a:hover, .home-lesson-types a:focus-visible { text-decoration: underline; }
.home-profile-entry { background: transparent; }
.home-final-cta { position: relative; overflow: hidden; padding-block: 82px; background: radial-gradient(ellipse 42% 82% at -5% 48%, rgba(var(--apricot-rgb), .34), transparent 78%), radial-gradient(ellipse 38% 76% at 105% 52%, rgba(var(--apricot-rgb), .18), transparent 80%), linear-gradient(180deg, #fffaf5, #fcf6ee); }
.home-final-cta h2 { margin-bottom: 18px; }
.home-final-cta .cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

@media (max-width: 760px) {
  .brand { grid-template-columns: 28px auto; column-gap: 7px; font-size: .91rem; letter-spacing: .08em; }
  .brand::before { width: 28px; }
  .yin-yang-section { grid-template-columns: 1fr; gap: 28px; }
  .yin-yang-motif { width: min(58vw, 210px); justify-self: center; }
  .about-page > .page-hero { padding: 42px 0 20px; border-bottom: 0; }
  .about-page > .page-hero::after { width: 130px; right: -58px; top: -28px; opacity: .08; }
  .about-page > .page-hero h1 { font-size: clamp(24px, 6.9vw, 28px); letter-spacing: .01em; white-space: nowrap; }
  .about-intro { padding: 24px 0 64px; }
  .about-intro .story-row { gap: 34px; }
  .about-intro .story-row { width: min(88%, var(--max)); grid-template-columns: 1fr; }
  .about-intro-photo .content-photo { -webkit-mask-image: radial-gradient(ellipse 86% 77% at 58% 50%, #000 70%, rgba(0,0,0,.92) 81%, rgba(0,0,0,.5) 91%, transparent 100%); mask-image: radial-gradient(ellipse 86% 77% at 58% 50%, #000 70%, rgba(0,0,0,.92) 81%, rgba(0,0,0,.5) 91%, transparent 100%); }
  .about-polarity-section { padding: 60px 0 0; }
  .about-polarity-section::before { inset: 8% -68%; background-size: auto 78%; opacity: .72; }
  .about-polarity-section::after { content: none; }
  .about-polarity { grid-template-columns: 1fr; gap: 0; }
  .polarity-motif { grid-row: 3; width: min(58vw, 220px); margin-top: 62px; }
  .polarity-sun { grid-row: 1; }
  .polarity-moon { grid-row: 2; margin-top: 64px; }
  .polarity-side { text-align: center; }
  .polarity-side h2 { font-size: 25px; margin-block: 9px 22px; }
  .polarity-side h2 { padding-top: 0; }
  .polarity-side h2::before { content: none; }
  .polarity-side p { font-size: 16px; }
  .polarity-mobile-art { display: block; width: min(48vw, 190px); height: auto; margin: 0 auto 24px; }
  .about-crossing { padding-block: 54px; text-align: center; }
  .about-crossing h2 { margin-bottom: 28px; font-size: 25px; }
  .about-crossing::before { inset: 0 -42%; background-size: auto 100%; }
  .about-motto::before { inset: 0 -44%; background-size: auto 100%; }
  .about-motto::after { inset: 9% 5%; background: radial-gradient(ellipse at center, rgba(255,255,255,.97) 0 48%, rgba(255,255,255,.82) 70%, transparent 91%); }
  .about-motto h2 { font-size: 26px; }
  .about-motto .prose > .button { display: table; margin-inline: auto; }
  .about-watch-link { display: block; width: max-content; margin: 22px auto 0; text-align: center; }
  .home-centered-entry p { font-size: 16px; line-height: 1.9; }
  .home-dance-entry { padding-block: 60px 64px; background: radial-gradient(ellipse at 8% 48%, rgba(var(--apricot-rgb), .15), transparent 31%), radial-gradient(ellipse at 92% 68%, rgba(var(--young-leaf-rgb), .18), transparent 31%), var(--paper); }
  .home-dance-layout > h2 { margin-bottom: 15px; font-size: 25px; }
  .home-dance-intro { margin-bottom: 36px; }
  .home-dance-intro p { font-size: 16px; line-height: 1.9; }
  .home-polarity { grid-template-columns: 1fr; gap: 27px; margin-bottom: 36px; }
  .home-polarity-side h3 { margin-bottom: 10px; font-size: 25px; }
  .home-polarity-side p { font-size: 16px; line-height: 1.8; }
  .home-polarity-sun { grid-row: 1; }
  .home-yin-yang { grid-row: 2; width: min(62vw, 230px); }
  .home-polarity-moon { grid-row: 3; }
  .home-polarity-summary { margin: -2px auto 27px; font-size: 16px; line-height: 1.9; }
  .home-lessons-entry { padding-block: 66px; }
  .home-lessons-entry::before { inset: 0 -45%; background-size: auto 100%; opacity: .27; }
  .home-lessons-entry::after { inset: 7% 3%; }
  .home-lessons-entry h2 { font-size: 27px; }
  .home-lesson-types { grid-template-columns: 1fr 1fr; column-gap: 12px; row-gap: 34px; margin-top: 28px; }
  .home-lesson-types li { min-height: 138px; padding: 0 8px; font-size: 13px; }
  .home-lesson-types li + li::after { content: none; }
  .home-lesson-types li:nth-child(even)::after { content: ""; position: absolute; top: 20px; bottom: 12px; left: -6px; width: 1px; background: linear-gradient(transparent, rgba(70,98,85,.14), transparent); }
  .home-lesson-types a { padding-top: 76px; }
  .home-lesson-types a::before { width: 64px; height: 64px; }
  .lesson-type-private a::before,
  .lesson-type-inperson a::before { width: 62px; height: 62px; }
  .home-lesson-types strong { font-size: 15px; }
  .home-final-cta { padding-block: 68px; }
  .home-final-cta h2 { font-size: 21px; }
}

/* ABOUT: mobile-only Taiyo -> Tsuki -> yin-yang sequence */
@media (min-width: 769px) {
  .about-page .polarity-mobile-art { display: none !important; }
}

@media (max-width: 768px) {
  .about-page .about-intro { padding-bottom: 48px; }
  .about-page .about-polarity-section { padding: 44px 0 0; }
  .about-page .about-polarity { display: flex; flex-direction: column; gap: 0; }
  .about-page .polarity-sun { order: 1; }
  .about-page .polarity-moon { order: 2; margin-top: 60px; }
  .about-page .polarity-motif { order: 3; width: min(50vw, 190px); margin: 60px auto 0; }
  .about-page .polarity-mobile-art { display: block !important; width: min(44vw, 170px); height: auto; margin: 0 auto 24px; }
  .about-page .polarity-side h2 { padding-top: 0; }
  .about-page .polarity-side h2::before { display: none !important; content: none !important; background-image: none !important; }
  .home-page .home-dance-layout > h2 { margin-bottom: 14px; font-size: 23px; }
}

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 760px; }
.price-grid > div { padding: 22px; border: 1px solid var(--line); background: var(--white); }
.price-grid h3 { margin-top: 0; }

@media (max-width: 760px) {
  .page-index { grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 24px; }
  .page-index a { min-height: 58px; padding: 10px; font-size: 13px; }
  .class-index { grid-template-columns: 1fr 1fr; }
  .lesson-entrance, .detail-block { scroll-margin-top: 76px; }
  .class-heading { gap: 7px; }
  .class-kicker { gap: 8px; }
  .class-heading .class-icon { width: 66px; height: 66px; }
  .sun-class-video { width: 88%; margin: 34px auto 42px; }
  .sun-class-video .youtube-lite { border-radius: 7px; }
  .growth-list { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
}

/* Lesson detail pages: soft, spacious information design */
.lesson-detail-page {
  background:
    radial-gradient(ellipse 38% 20% at 0 18%, rgba(var(--young-leaf-rgb), .22), transparent 72%),
    radial-gradient(ellipse 36% 19% at 100% 48%, rgba(var(--apricot-rgb), .18), transparent 72%),
    radial-gradient(ellipse 34% 18% at 7% 82%, rgba(var(--young-leaf-rgb), .12), transparent 72%),
    linear-gradient(180deg, var(--paper), #fbf9f2 46%, var(--paper));
}
.lesson-detail-page .detail-hero {
  padding: 68px 0 52px;
  border-bottom: 0;
  background:
    radial-gradient(ellipse 38% 74% at 8% 55%, rgba(var(--young-leaf-rgb), .23), transparent 74%),
    radial-gradient(ellipse 31% 70% at 94% 18%, rgba(var(--apricot-rgb), .2), transparent 76%),
    rgba(var(--paper-rgb), .86);
}
.lesson-detail-page .detail-hero h1,
.lesson-detail-page .detail-block h2,
.lesson-detail-page .detail-block h3 {
  font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
}
.lesson-detail-page .detail-hero h1 {
  margin: 4px 0 14px;
  font-size: clamp(34px, 3vw, 38px);
  font-weight: 400;
  letter-spacing: .035em;
}
.lesson-detail-page .detail-hero p + .detail-hero-note {
  margin-top: 6px;
  color: var(--muted);
  font-size: 15px;
}
.lesson-detail-page .detail-content {
  position: relative;
  max-width: 920px;
  padding-top: 58px;
  padding-bottom: 96px;
}
.lesson-detail-page .detail-content::before {
  content: "";
  position: absolute;
  top: 22%;
  right: -96px;
  width: 190px;
  height: 250px;
  background: url("../images/young-leaves.svg") center / contain no-repeat;
  opacity: .035;
  pointer-events: none;
}
.lesson-detail-page .detail-block {
  position: relative;
  padding: 62px 0;
  border: 0;
}
.lesson-detail-page .detail-block:first-of-type { padding-top: 24px; }
.lesson-detail-page .detail-block:nth-of-type(even) {
  background:
    radial-gradient(ellipse 72% 74% at 18% 52%, rgba(var(--young-leaf-rgb), .14), transparent 76%),
    radial-gradient(ellipse 58% 68% at 92% 44%, rgba(var(--apricot-rgb), .13), transparent 78%);
}
.lesson-detail-page .detail-block h2 {
  margin-bottom: 30px;
  font-size: clamp(24px, 2.2vw, 27px);
  font-weight: 400;
  letter-spacing: .045em;
}
.lesson-detail-page .detail-block h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  margin-top: 14px;
  background: linear-gradient(90deg, rgba(var(--apricot-rgb), .88), rgba(var(--young-leaf-rgb), .8), transparent);
}
.lesson-detail-page .detail-block h3 {
  margin: 42px 0 17px;
  font-size: clamp(19px, 1.7vw, 21px);
  font-weight: 400;
  letter-spacing: .035em;
}
.lesson-detail-page .detail-block p,
.lesson-detail-page .detail-block li,
.lesson-detail-page .detail-block dt,
.lesson-detail-page .detail-block dd { line-height: 1.95; }

/* Light, text-led page index */
.lesson-detail-page .page-index {
  display: flex;
  justify-content: center;
  gap: 0;
  padding-top: 28px;
}
.lesson-detail-page .page-index a {
  position: relative;
  min-height: auto;
  padding: 11px 25px;
  border: 0;
  background: transparent;
  color: var(--forest);
  letter-spacing: .09em;
}
.lesson-detail-page .page-index a + a::before {
  content: "｜";
  position: absolute;
  left: -4px;
  color: rgba(94, 114, 106, .3);
}
.lesson-detail-page .page-index a:hover,
.lesson-detail-page .page-index a:focus-visible {
  border: 0;
  background: radial-gradient(ellipse at center, rgba(247, 195, 145, .12), transparent 72%);
}

/* Information groups instead of ruled tables */
.lesson-detail-page .details,
.lesson-detail-page .detail-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 34px;
  max-width: 800px;
  margin-top: 30px;
}
.lesson-detail-page .detail-item,
.lesson-detail-page .detail-fact {
  min-width: 0;
  padding: 19px 20px 21px;
  background:
    radial-gradient(ellipse 95% 115% at 0 0, rgba(var(--young-leaf-rgb), .16), transparent 76%),
    radial-gradient(ellipse 82% 100% at 100% 100%, rgba(var(--apricot-rgb), .14), transparent 76%);
}
.lesson-detail-page .detail-item-wide { grid-column: 1 / -1; }
.lesson-detail-page .detail-item-wide dd { max-width: 680px; }
.lesson-detail-page .details dt,
.lesson-detail-page .details dd {
  padding: 0;
  border: 0;
}
.lesson-detail-page .details dt,
.lesson-detail-page .detail-fact h3 {
  margin: 0;
  color: var(--muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .11em;
}
.lesson-detail-page .details dd,
.lesson-detail-page .detail-fact > p:first-of-type {
  margin: 7px 0 0;
  color: var(--ink);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 18px;
  line-height: 1.8;
}
.lesson-detail-page .detail-fact p + p { margin-top: 3px; font-size: 14px; color: var(--muted); }

/* Lists with small watercolor accents */
.lesson-detail-page .recommended-list,
.lesson-detail-page .lesson-content-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px 36px;
  max-width: 800px;
  margin-top: 24px;
  padding: 0 !important;
  list-style: none;
}
.lesson-detail-page .recommended-list li,
.lesson-detail-page .lesson-content-list li {
  position: relative;
  margin: 0;
  padding: 5px 0 5px 25px;
}
.lesson-detail-page .recommended-list li::before,
.lesson-detail-page .lesson-content-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 1.08em;
  width: 8px;
  height: 8px;
  border-radius: 58% 42% 62% 38%;
  background: radial-gradient(circle at 34% 30%, rgba(255,255,255,.9), rgba(var(--apricot-rgb), .72) 42%, rgba(var(--young-leaf-rgb), .68));
  transform: rotate(18deg);
}
.lesson-detail-page .growth-list { max-width: 800px; gap: 12px 36px; }
.lesson-detail-page .growth-list li {
  position: relative;
  padding: 11px 0 11px 23px;
  border: 0;
}
.lesson-detail-page .growth-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.12em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(var(--young-leaf-rgb), .95);
}

/* Class areas and pricing */
.lesson-detail-page .moon-detail,
.lesson-detail-page .sun-detail {
  padding-inline: clamp(24px, 4vw, 42px);
  border: 0;
}
.lesson-detail-page .moon-detail {
  background:
    radial-gradient(ellipse 92% 58% at 0 12%, rgba(var(--young-leaf-rgb), .24), transparent 78%),
    radial-gradient(ellipse 72% 62% at 100% 90%, rgba(var(--apricot-rgb), .08), transparent 80%);
}
.lesson-detail-page .sun-detail {
  background:
    radial-gradient(ellipse 90% 60% at 100% 12%, rgba(var(--apricot-rgb), .24), transparent 78%),
    radial-gradient(ellipse 70% 58% at 0 92%, rgba(var(--young-leaf-rgb), .08), transparent 80%);
}
.lesson-detail-page .class-heading h2::after { content: none; }
.lesson-detail-page .price-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 820px;
}
.lesson-detail-page .price-grid > div {
  padding: 27px 24px 29px;
  border: 0;
}
.lesson-detail-page .price-grid > div:nth-child(1) {
  background: radial-gradient(ellipse at 20% 15%, rgba(var(--young-leaf-rgb), .24), transparent 82%), rgba(249, 251, 246, .76);
}
.lesson-detail-page .price-grid > div:nth-child(2) {
  background: radial-gradient(ellipse at 80% 12%, rgba(var(--apricot-rgb), .23), transparent 82%), rgba(255, 252, 247, .76);
}
.lesson-detail-page .price-grid > div:nth-child(3) {
  background:
    radial-gradient(ellipse at 0 0, rgba(var(--young-leaf-rgb), .15), transparent 66%),
    radial-gradient(ellipse at 100% 100%, rgba(var(--apricot-rgb), .15), transparent 66%),
    rgba(255, 254, 251, .76);
}
.lesson-detail-page .price-grid h3 { margin-top: 0; }
.lesson-detail-page .price-grid strong { color: #485950; font-size: 20px; font-weight: 500; }
.lesson-detail-page .trial-price {
  display: inline-block;
  margin-top: 27px;
  padding: 9px 18px;
  background: radial-gradient(ellipse at center, rgba(var(--apricot-rgb), .12), transparent 84%);
}

/* Softer voices */
.lesson-detail-page .detail-block blockquote {
  margin: 25px 0;
  padding: 27px clamp(24px, 4vw, 36px);
  border: 0;
  background:
    radial-gradient(ellipse 72% 115% at 0 0, rgba(var(--young-leaf-rgb), .12), transparent 80%),
    radial-gradient(ellipse 72% 115% at 100% 100%, rgba(var(--apricot-rgb), .11), transparent 80%),
    rgba(255, 254, 250, .67);
  line-height: 2;
}
.lesson-detail-page .voice-label { color: var(--forest); }
.lesson-detail-page .private-testimonial {
  padding: 42px clamp(24px, 4vw, 46px);
  border: 0;
  background:
    radial-gradient(ellipse at 100% 0, rgba(var(--apricot-rgb), .16), transparent 52%),
    radial-gradient(ellipse at 0 100%, rgba(var(--young-leaf-rgb), .16), transparent 54%),
    rgba(255, 254, 250, .64);
}
.lesson-detail-page .private-testimonial header {
  padding-bottom: 0;
  border: 0;
}
.lesson-detail-page .status-message,
.lesson-detail-page .lesson-catch {
  color: var(--forest);
  font-weight: 400;
}

/* Site-wide main titles: page titles and TOP section headings only */
.page-hero h1,
.lessons-page .lessons-hero h1,
.about-page > .page-hero h1,
.lesson-detail-page .detail-hero h1,
main > .section h1,
.home-page main > .section h2 {
  font-size: var(--main-title-size);
  letter-spacing: .025em;
}

/* Only the remaining oversized headings on Profile and Lessons */
.profile-page .profile-treasure h2 {
  font-size: clamp(29px, 2.5vw, 31px);
}
.profile-page main > .section:last-of-type h2 {
  font-size: clamp(25px, 2.25vw, 28px);
}
.lessons-page .lesson-entrance h2 {
  font-size: clamp(26px, 2.5vw, 31px);
}

@media (max-width: 760px) {
  .page-hero h1,
  .lessons-page .lessons-hero h1,
  .about-page > .page-hero h1,
  .lesson-detail-page .detail-hero h1,
  main > .section h1,
  .home-page main > .section h2 {
    font-size: var(--main-title-mobile-size);
    letter-spacing: .015em;
  }
  .profile-page .profile-treasure h2 {
    font-size: clamp(22px, 6.2vw, 24px);
  }
  .profile-page main > .section:last-of-type h2 {
    font-size: clamp(20px, 5.5vw, 21px);
  }
  .lessons-page .lesson-entrance h2 {
    font-size: clamp(21px, 5.8vw, 22px);
  }
  .lesson-detail-page .detail-hero { padding: 46px 0 37px; }
  .lesson-detail-page .detail-hero h1 {
    font-size: var(--main-title-mobile-size);
    letter-spacing: .015em;
  }
  .lesson-detail-page .detail-content {
    padding-top: 40px;
    padding-bottom: 70px;
  }
  .lesson-detail-page .detail-content::before { display: none; }
  .lesson-detail-page .detail-block { padding: 46px 0; }
  .lesson-detail-page .detail-block:first-of-type { padding-top: 10px; }
  .lesson-detail-page .detail-block h2 {
    font-size: clamp(21px, 5.9vw, 24px);
    letter-spacing: .035em;
  }
  .lesson-detail-page .detail-block h3 {
    margin-top: 34px;
    font-size: clamp(17px, 4.7vw, 19px);
    letter-spacing: .025em;
  }
  .lesson-detail-page .page-index { padding-top: 21px; }
  .lesson-detail-page .page-index a { padding: 10px 17px; font-size: 13px; }
  .lesson-detail-page .details,
  .lesson-detail-page .detail-facts,
  .lesson-detail-page .recommended-list,
  .lesson-detail-page .lesson-content-list,
  .lesson-detail-page .growth-list,
  .lesson-detail-page .price-grid {
    grid-template-columns: 1fr;
  }
  .lesson-detail-page .details,
  .lesson-detail-page .detail-facts { gap: 13px; }
  .lesson-detail-page .detail-item,
  .lesson-detail-page .detail-fact { padding: 17px 18px 19px; }
  .lesson-detail-page .detail-item-wide { grid-column: auto; }
  .lesson-detail-page .details dd,
  .lesson-detail-page .detail-fact > p:first-of-type { font-size: 17px; }
  .lesson-detail-page .recommended-list,
  .lesson-detail-page .lesson-content-list { gap: 8px; }
  .lesson-detail-page .moon-detail,
  .lesson-detail-page .sun-detail { padding-inline: 20px; }
  .lesson-detail-page .detail-block blockquote { padding: 23px 21px; }
  .lesson-detail-page .price-grid { gap: 13px; }
  .lesson-detail-page .price-grid > div { padding: 23px 21px 25px; }
}