:root {
  --font-sans: "Inter", "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-ja: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
  --bg: #f5f1e8;
  --paper: #fffdf8;
  --paper-2: #f0ebe1;
  --ink: #22231f;
  --muted: #6f7068;
  --line: rgba(34, 35, 31, 0.14);
  --line-strong: rgba(34, 35, 31, 0.24);
  --green: #2f6757;
  --green-dark: #234c41;
  --green-soft: #dde9e2;
  --sand: #d7b87b;
  --sand-soft: #eee1c7;
  --danger: #9d493e;
  --shadow: 0 24px 70px rgba(52, 48, 39, 0.09);
  --shadow-soft: 0 12px 38px rgba(52, 48, 39, 0.06);
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.015em;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; }
button, input { font: inherit; }
button { color: inherit; }

.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;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}
.section { padding: 112px 0; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  line-height: 1.4;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 241, 232, 0.88);
  border-bottom: 1px solid rgba(34, 35, 31, 0.08);
  backdrop-filter: blur(18px);
}
.header-inner {
  width: min(calc(100% - 48px), var(--container));
  min-height: 78px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}
.brand-mark {
  width: 42px;
  height: 42px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--sand-soft);
}
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: cover; }
.brand-copy { display: grid; line-height: 1.14; }
.brand-copy strong {
  font-family: var(--font-sans);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0;
}
.global-nav { display: flex; align-items: center; gap: 6px; }
.global-nav a {
  padding: 10px 13px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.79rem;
  font-weight: 700;
  transition: color 0.18s ease, background 0.18s ease;
}
.global-nav a:hover,
.global-nav a.is-active { color: var(--ink); background: rgba(255, 255, 255, 0.68); }
.global-nav .nav-cta {
  margin-left: 8px;
  padding-inline: 18px;
  color: white;
  background: var(--green);
}
.global-nav .nav-cta:hover { color: white; background: var(--green-dark); }
.menu-button { display: none; }

/* Buttons */
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 23px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.83rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.button:hover:not(:disabled),
.button:focus-visible:not(:disabled) { transform: translateY(-2px); }
.button-primary {
  color: white;
  background: var(--green);
  box-shadow: 0 13px 30px rgba(47, 103, 87, 0.21);
}
.button-primary:hover { background: var(--green-dark); }
.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.55);
}
.button-secondary:hover { background: var(--paper); }

/* Home */
.home-hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 122px;
  background:
    radial-gradient(circle at 8% 15%, rgba(215, 184, 123, 0.25), transparent 29%),
    radial-gradient(circle at 92% 18%, rgba(47, 103, 87, 0.13), transparent 29%),
    var(--bg);
}
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: linear-gradient(rgba(34,35,31,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(34,35,31,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}
.home-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.82fr);
  align-items: center;
  gap: 86px;
}
.home-hero-copy h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(3.5rem, 7.2vw, 6.8rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.home-hero-copy h1 em {
  color: var(--green);
  font-style: normal;
}
.hero-lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 1.03rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-facts {
  margin: 46px 0 0;
  padding-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  border-top: 1px solid var(--line);
}
.hero-facts div { display: grid; gap: 3px; }
.hero-facts dt { color: var(--muted); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.14em; }
.hero-facts dd { margin: 0; font-size: 0.82rem; font-weight: 700; }

.featured-player {
  overflow: hidden;
  border: 1px solid rgba(34, 35, 31, 0.13);
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 248, 0.92);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}
.featured-image-wrap { position: relative; padding: 14px 14px 0; }
.featured-image-wrap img {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  object-fit: cover;
  border-radius: 24px;
}
.featured-image-wrap > span {
  position: absolute;
  top: 28px;
  left: 28px;
  padding: 7px 11px;
  border-radius: 999px;
  color: white;
  background: rgba(34, 35, 31, 0.86);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.featured-body { padding: 24px 28px 28px; }
.featured-meta { margin: 0; color: var(--muted); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; }
.featured-body h2 { margin: 6px 0 0; font-family: var(--font-sans); font-size: 2rem; font-weight: 500; line-height: 1.15; }
.featured-body > p:not(.featured-meta) { margin: 5px 0 0; color: var(--green); font-size: 0.86rem; font-weight: 700; }
.compact-audio-panel { margin-top: 20px; padding: 14px; }
.inline-arrow {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.77rem;
  font-weight: 800;
}
.inline-arrow span { color: var(--green); font-size: 1rem; }

.home-intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr); gap: 90px; align-items: start; }
.intro-grid h2,
.section-heading h2,
.profile-copy h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.intro-copy { max-width: 660px; padding-top: 14px; }
.intro-copy p { margin: 0 0 20px; color: var(--muted); font-size: 1rem; }

.page-links-section { background: #ece7dc; }
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 46px;
}
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); }
.page-link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.page-link-card {
  min-height: 250px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-link-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.page-link-index { color: var(--muted); font-family: var(--font-sans); font-size: 0.82rem; }
.page-link-card > div { align-self: end; }
.page-link-card p { margin: 0 0 4px; color: var(--green); font-size: 0.64rem; font-weight: 900; letter-spacing: 0.16em; }
.page-link-card h3 { margin: 0; font-family: var(--font-sans); font-size: 1.55rem; font-weight: 500; }
.page-link-card div > span { margin-top: 11px; display: block; color: var(--muted); font-size: 0.76rem; }
.page-link-card > b { justify-self: end; margin-top: 22px; color: var(--green); font-size: 1.2rem; }

/* Shared page hero */
.page-hero {
  padding: 94px 0 76px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 85% 20%, rgba(47, 103, 87, 0.1), transparent 30%),
    var(--bg);
}
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 60px; }
.page-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(4rem, 8vw, 7.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.055em;
}
.page-hero p:not(.eyebrow) { max-width: 650px; margin: 25px 0 0; color: var(--muted); }
.page-number-card {
  width: 190px;
  min-height: 150px;
  display: grid;
  align-content: center;
  justify-items: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 248, 0.72);
}
.page-number-card span { color: var(--green); font-size: 0.64rem; font-weight: 900; letter-spacing: 0.17em; }
.page-number-card strong { margin-top: 4px; font-family: var(--font-sans); font-size: 3.4rem; line-height: 1; font-weight: 500; }
.page-number-card small { margin-top: 7px; color: var(--muted); font-size: 0.72rem; }

/* Music */
.music-library-section { background: var(--paper); }
.library-toolbar {
  position: sticky;
  top: 94px;
  z-index: 20;
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1fr);
  align-items: end;
  gap: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.92);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}
.search-box { display: grid; gap: 8px; }
.search-box > span { color: var(--muted); font-size: 0.62rem; font-weight: 900; letter-spacing: 0.15em; }
.search-box input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: none;
  background: #fff;
}
.search-box input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(47, 103, 87, 0.1); }
.tag-filter { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.tag-button {
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.71rem;
  font-weight: 800;
  cursor: pointer;
}
.tag-button:hover,
.tag-button.is-active { border-color: var(--green); color: white; background: var(--green); }
.track-grid { display: grid; gap: 28px; }
.track-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fbf8f1;
  box-shadow: var(--shadow-soft);
}
.track-card[hidden] { display: none; }
.track-content { min-width: 0; }
.track-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.track-number {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}
.free-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border-radius: 999px;
  color: white;
  background: rgba(34, 35, 31, 0.86);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}
.track-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 26px; }
.track-kicker { margin: 0; color: var(--muted); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; }
.track-header h2 {
  margin: 7px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
}
.track-tags { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.track-tags span {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.64rem;
}
.track-subtitle { margin: 12px 0 0; color: var(--green); font-weight: 800; }
.track-description { max-width: 720px; margin: 17px 0 0; color: var(--muted); }


.youtube-preview-panel {
  margin-top: 25px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
}
.track-video-frame {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(34, 35, 31, 0.1);
  box-shadow: 0 12px 30px rgba(34, 35, 31, 0.08);
}
.youtube-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 11px;
}
.youtube-preview-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
}
.youtube-preview-footer a {
  flex: 0 0 auto;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
  text-decoration: none;
}
.youtube-preview-footer a:hover { text-decoration: underline; text-underline-offset: 4px; }

.audio-panel {
  margin-top: 25px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.55);
}
.audio-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 9px; }
.audio-heading span { color: var(--green); font-size: 0.65rem; font-weight: 900; letter-spacing: 0.16em; }
.audio-heading small { color: var(--muted); font-size: 0.67rem; }
audio { width: 100%; height: 46px; display: block; }
.preview-note { margin: 7px 0 0; color: var(--muted); font-size: 0.64rem; }
.usage-row {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.usage-row span {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--muted);
  font-size: 0.67rem;
}
.usage-row b { margin-left: 4px; color: var(--green); }
.usage-row span:last-child { background: #f0e2df; }
.usage-row span:last-child b { color: var(--danger); }

.download-area {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
}
.download-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.download-heading > div { display: grid; }
.download-heading span { color: var(--green); font-size: 0.62rem; font-weight: 900; letter-spacing: 0.16em; }
.download-heading strong { margin-top: 3px; font-family: var(--font-sans); font-size: 1.25rem; font-weight: 500; }
.download-heading > small { color: var(--muted); font-size: 0.65rem; }
.track-actions { margin-top: 14px; display: flex; align-items: center; gap: 18px; }
.button-download {
  min-width: 310px;
  min-height: 62px;
  display: grid;
  gap: 0;
  border-radius: 15px;
  color: white;
  background: var(--green);
  box-shadow: 0 12px 28px rgba(47, 103, 87, 0.19);
}
.button-download span { font-size: 0.82rem; }
.button-download small { opacity: 0.74; font-size: 0.62rem; }
.button-download:hover:not(:disabled) { background: var(--green-dark); }
.button-download.is-disabled { background: #9a9b94; box-shadow: none; cursor: not-allowed; }
.terms-mini-link { color: var(--muted); font-size: 0.7rem; font-weight: 800; text-underline-offset: 5px; }

.booth-product {
  margin-top: 13px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 17px;
  border: 1px solid rgba(116, 89, 204, 0.2);
  border-radius: 20px;
  background: linear-gradient(135deg, #f7f3ff, #f0eafb);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.booth-product:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(77, 54, 139, 0.1); }
.booth-product-icon { width: 48px; height: 48px; border-radius: 14px; }
.booth-product-copy { min-width: 0; display: grid; }
.booth-product-copy small { color: #7459cc; font-size: 0.58rem; font-weight: 900; letter-spacing: 0.13em; }
.booth-product-copy strong { margin-top: 3px; font-size: 0.86rem; }
.booth-product-copy > span { margin-top: 2px; color: var(--muted); font-size: 0.67rem; }
.booth-product-price { display: grid; justify-items: end; }
.booth-product-price b { font-family: var(--font-sans); font-size: 1.25rem; }
.booth-product-price small { color: #7459cc; font-size: 0.64rem; font-weight: 800; }
.empty-results { padding: 50px 20px; color: var(--muted); text-align: center; }

/* Contact */
.contact-mail-card {
  min-width: 410px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 17px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.76);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
}
.contact-mail-card img { width: 54px; height: 54px; border-radius: 15px; }
.contact-mail-card span { min-width: 0; display: grid; }
.contact-mail-card small { color: var(--green); font-size: 0.6rem; font-weight: 900; letter-spacing: 0.15em; }
.contact-mail-card strong { overflow-wrap: anywhere; font-size: 0.84rem; }
.contact-mail-card b { margin-top: 3px; color: var(--muted); font-size: 0.65rem; }
.contact-profile-section { background: var(--paper); }
.contact-profile-grid { display: grid; grid-template-columns: minmax(380px, 0.9fr) minmax(0, 1fr); gap: 82px; align-items: center; }
.profile-visual { position: relative; }
.profile-visual img { width: 100%; aspect-ratio: 16 / 9; display: block; object-fit: cover; border-radius: var(--radius-xl); box-shadow: var(--shadow); }
.profile-visual span {
  position: absolute;
  left: 22px;
  bottom: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  color: white;
  background: rgba(34, 35, 31, 0.82);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.profile-copy > p:not(.eyebrow) { max-width: 640px; margin: 20px 0 0; color: var(--muted); }
.credit-panel {
  margin-top: 28px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper-2);
}
.credit-panel > div { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.credit-panel > div small { color: var(--green); font-size: 0.61rem; font-weight: 900; letter-spacing: 0.15em; }
.credit-panel > div span { color: var(--muted); font-size: 0.7rem; }
.copy-credit {
  width: 100%;
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  cursor: pointer;
}
.copy-credit code { overflow-wrap: anywhere; font-size: 0.72rem; }
.copy-credit b { color: var(--green); font-size: 0.68rem; }
.official-links-section { background: #ece7dc; }
.social-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.social-card {
  min-height: 148px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.social-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.social-icon { width: 58px; height: 58px; border-radius: 17px; }
.social-card > span { min-width: 0; display: grid; }
.social-card span small { color: var(--muted); font-size: 0.58rem; font-weight: 900; letter-spacing: 0.14em; }
.social-card span strong { margin-top: 2px; font-family: var(--font-sans); font-size: 1.35rem; font-weight: 600; }
.social-card span em { margin-top: 4px; color: var(--muted); font-size: 0.7rem; font-style: normal; }
.social-card > b { color: var(--green); font-size: 1.15rem; }

/* Terms */
.terms-page-section { background: var(--paper); }
.terms-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 50px; align-items: start; }
.terms-toc {
  position: sticky;
  top: 104px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #f7f3eb;
}
.terms-toc > strong { font-family: var(--font-sans); font-size: 1rem; }
.terms-toc ol {
  max-height: calc(100vh - 190px);
  overflow: auto;
  margin: 14px 0 0;
  padding-left: 1.55em;
  columns: 2;
  column-gap: 12px;
}
.terms-toc li { margin: 4px 0; break-inside: avoid; }
.terms-toc a { color: var(--muted); font-size: 0.67rem; text-decoration: none; }
.terms-toc a:hover { color: var(--green); }
.terms-article {
  padding: 46px clamp(24px, 5vw, 64px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fffefa;
  box-shadow: var(--shadow-soft);
}
.terms-body { color: #4e5049; }
.terms-body > p:first-child { margin-top: 0; }
.terms-body p { margin: 0 0 15px; }
.terms-body h3 {
  scroll-margin-top: 110px;
  margin: 56px 0 16px;
  padding-top: 7px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.28rem;
  font-weight: 600;
  line-height: 1.55;
}
.terms-body h3::before {
  content: "";
  width: 34px;
  height: 2px;
  display: block;
  margin-bottom: 13px;
  background: var(--green);
}
.terms-body ul { margin: 12px 0 20px; padding-left: 1.35em; }
.terms-body li { margin: 7px 0; }

/* Modal */
.modal[hidden] { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.18s ease;
}
.modal.is-visible { opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(24, 25, 22, 0.7); backdrop-filter: blur(8px); }
.modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 38px;
  border-radius: 28px;
  background: var(--paper);
  box-shadow: 0 45px 100px rgba(0,0,0,0.28);
  transform: translateY(16px) scale(0.985);
  transition: transform 0.18s ease;
}
.modal.is-visible .modal-panel { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute;
  top: 15px;
  right: 17px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--paper-2);
  cursor: pointer;
  font-size: 1.25rem;
}
.modal-heading h2 { margin: 0; font-family: var(--font-sans); font-size: 2.2rem; font-weight: 500; }
.modal-heading > p:last-child { margin: 7px 0 0; color: var(--muted); }
.modal-terms { margin-top: 23px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #f7f3eb; font-size: 0.8rem; }
.modal-terms h3 { margin: 0 0 10px; font-size: 0.9rem; }
.modal-terms ul { margin: 0; padding-left: 1.25em; color: var(--muted); }
.modal-terms a { margin-top: 11px; display: inline-block; color: var(--green); font-weight: 800; }
.download-form { margin-top: 19px; }
.agree-box { display: flex; align-items: flex-start; gap: 12px; padding: 17px; border: 1px solid rgba(47,103,87,0.25); border-radius: 14px; background: var(--green-soft); cursor: pointer; font-size: 0.82rem; font-weight: 700; }
.agree-box input { width: 20px; height: 20px; margin-top: 2px; flex: 0 0 auto; accent-color: var(--green); }
.modal-download { width: 100%; margin-top: 14px; }
.modal-download:disabled { background: #9a9b94; box-shadow: none; cursor: not-allowed; opacity: 0.72; }
.modal-note { margin: 9px 0 0; color: var(--muted); font-size: 0.65rem; text-align: center; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 2000;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-size: 0.76rem;
  transform: translate(-50%, 12px);
  opacity: 0;
  transition: all 0.2s ease;
}
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }

/* Footer */
.site-footer { padding: 66px 0 26px; color: white; background: #232720; }
.footer-main { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 70px; }
.footer-brand strong { font-family: var(--font-sans); font-size: 1.8rem; font-weight: 500; }
.footer-brand p { max-width: 500px; margin: 8px 0 0; color: rgba(255,255,255,0.55); font-size: 0.76rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 65px; }
.footer-links > div { display: grid; align-content: start; gap: 7px; }
.footer-links span { margin-bottom: 5px; color: rgba(255,255,255,0.4); font-size: 0.6rem; font-weight: 900; letter-spacing: 0.15em; }
.footer-links a { color: rgba(255,255,255,0.78); font-size: 0.72rem; text-decoration: none; }
.footer-links a:hover { color: white; }
.footer-bottom { margin-top: 48px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,0.12); }
.footer-bottom small,
.footer-bottom a { color: rgba(255,255,255,0.38); font-size: 0.65rem; }

/* Responsive */
@media (max-width: 980px) {
  .header-inner { min-height: 72px; }
  .menu-button {
    width: 42px;
    height: 42px;
    display: grid;
    align-content: center;
    gap: 5px;
    padding: 9px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: rgba(255,255,255,0.55);
  }
  .menu-button span:not(.sr-only) { display: block; height: 2px; background: var(--ink); }
  .global-nav {
    position: absolute;
    top: 72px;
    left: 24px;
    right: 24px;
    display: none;
    padding: 15px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--paper);
    box-shadow: var(--shadow);
  }
  .global-nav.is-open { display: grid; }
  .global-nav a { padding: 10px 12px; }
  .global-nav .nav-cta { margin-left: 0; margin-top: 6px; text-align: center; }
  .home-hero-grid { grid-template-columns: 1fr; gap: 58px; }
  .home-hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-facts { max-width: 650px; margin-inline: auto; }
  .featured-player { width: min(100%, 580px); margin-inline: auto; transform: none; }
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-link-grid { grid-template-columns: 1fr; }
  .page-link-card { min-height: 185px; }
  .page-hero-grid { grid-template-columns: 1fr; align-items: start; }
  .page-number-card { width: 100%; min-height: auto; grid-template-columns: auto auto auto; align-items: center; justify-content: start; gap: 14px; }
  .page-number-card strong { font-size: 2.5rem; }
  .library-toolbar { position: static; grid-template-columns: 1fr; }
  .tag-filter { justify-content: flex-start; }
  .track-card { max-width: 920px; margin-inline: auto; }
  .contact-mail-card { min-width: 0; width: 100%; }
  .contact-profile-grid { grid-template-columns: 1fr; gap: 48px; }
  .profile-visual { max-width: 760px; }
  .terms-layout { grid-template-columns: 1fr; }
  .terms-toc { position: static; }
  .terms-toc ol { max-height: none; columns: 4; }
}

@media (max-width: 700px) {
  .container,
  .header-inner { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 78px 0; }
  .brand-copy small { display: none; }
  .home-hero { padding: 76px 0 90px; }
  .home-hero-copy h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .hero-lead { font-size: 0.94rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-facts { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .hero-facts div { grid-template-columns: 105px 1fr; align-items: baseline; }
  .featured-body { padding: 21px 20px 24px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 17px; }
  .page-hero { padding: 70px 0 58px; }
  .page-hero h1 { font-size: clamp(3.5rem, 19vw, 5.8rem); }
  .track-card { padding: 18px; border-radius: 26px; }
  .track-content { padding: 0 4px 7px; }
  .track-header { flex-direction: column; gap: 12px; }
  .track-header h2 { font-size: clamp(2.5rem, 13vw, 4rem); }
  .track-tags { justify-content: flex-start; }
  .audio-heading,
  .download-heading { align-items: flex-start; flex-direction: column; gap: 3px; }
  .usage-row span { white-space: normal; }
  .track-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .button-download { min-width: 0; width: 100%; }
  .terms-mini-link { text-align: center; }
  .booth-product { grid-template-columns: auto minmax(0, 1fr); }
  .booth-product-price { grid-column: 1 / -1; justify-items: start; padding-left: 64px; }
  .social-grid { grid-template-columns: 1fr; }
  .social-card { min-height: 125px; padding: 19px; }
  .terms-toc ol { columns: 2; }
  .terms-article { padding: 30px 20px; border-radius: 24px; }
  .modal-panel { padding: 34px 20px 24px; border-radius: 22px; }
  .footer-main { grid-template-columns: 1fr; gap: 38px; }
  .footer-links { gap: 45px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}


/* Home refresh: latest / usage guide / recommendations */
.latest-hero {
  padding: 92px 0 108px;
}
.latest-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  align-items: center;
  gap: 72px;
}
.latest-hero-copy h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(3.8rem, 7.2vw, 7rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.06em;
}
.latest-hero-copy h1 em { color: var(--green); font-style: normal; }
.latest-video-card {
  overflow: hidden;
  border: 1px solid rgba(34, 35, 31, 0.13);
  border-radius: 30px;
  background: rgba(255, 253, 248, 0.93);
  box-shadow: 0 28px 78px rgba(42, 38, 29, 0.13);
}
.video-card-heading {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.video-card-heading > div { display: flex; align-items: center; gap: 9px; }
.video-card-heading p {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.17em;
}
.video-card-heading small { color: var(--muted); font-size: 0.7rem; }
.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #c85847;
  box-shadow: 0 0 0 5px rgba(200, 88, 71, 0.12);
}
.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #1e211f;
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-frame-featured { margin: 14px; border-radius: 20px; }
.latest-video-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  padding: 10px 24px 25px;
}
.latest-video-footer strong {
  font-family: var(--font-sans);
  font-size: 1.55rem;
  font-weight: 500;
}
.latest-video-footer p { margin: 5px 0 0; color: var(--muted); font-size: 0.77rem; }
.latest-video-footer a,
.inline-channel-link,
.usage-note-card a {
  color: var(--green);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 800;
  white-space: nowrap;
}
.latest-video-footer a span,
.inline-channel-link span,
.usage-note-card a span { margin-left: 5px; }

.home-section-heading { align-items: start; }
.usage-guide-section { background: var(--paper); }
.usage-note-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}
.usage-note-card {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: #f8f4eb;
  box-shadow: 0 10px 28px rgba(65, 50, 29, 0.045);
}
.usage-note-accent { background: #e9f0eb; }
.usage-note-warning { background: #f5eae6; }
.usage-note-number {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
}
.usage-note-icon {
  width: 56px;
  height: 56px;
  margin-top: 28px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}
.usage-note-icon img { width: 48px; height: 48px; display: block; }
.usage-note-warning .usage-note-icon { background: rgba(255,255,255,0.56); }
.usage-note-card h3 {
  margin: 22px 0 0;
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.28;
}
.usage-title-nowrap {
  white-space: nowrap;
  font-size: clamp(1.02rem, 1.25vw, 1.24rem) !important;
  letter-spacing: -0.035em;
}
.usage-note-card p { margin: 13px 0 0; color: var(--muted); font-size: 0.82rem; }
.usage-note-card a { margin-top: auto; padding-top: 20px; }

.recommendation-section { background: #ece7dc; }
.recommendation-heading-side { max-width: 530px; }
.recommendation-heading-side p { margin: 0; color: var(--muted); }
.inline-channel-link { margin-top: 12px; display: inline-block; }
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.recommendation-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: var(--paper);
  box-shadow: 0 14px 40px rgba(65, 50, 29, 0.06);
}
.recommendation-card-top {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}
.recommendation-card-top span {
  color: var(--green);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.recommendation-card-top small { color: var(--muted); font-size: 0.68rem; }
.recommendation-card .video-frame { margin: 12px; border-radius: 16px; }
.recommendation-card-footer { padding: 5px 20px 22px; }
.recommendation-card-footer strong {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 500;
}
.recommendation-card-footer p { margin: 5px 0 0; color: var(--muted); font-size: 0.74rem; }

.home-bottom-cta { padding: 78px 0; background: var(--ink); color: white; }
.home-bottom-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 50px;
}
.home-bottom-cta .eyebrow { color: #a7cbbf; }
.home-bottom-cta h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 500;
  line-height: 1.12;
}
.home-bottom-cta p:not(.eyebrow) { max-width: 720px; margin: 15px 0 0; color: rgba(255,255,255,0.62); }
.home-bottom-cta .button-primary { background: #d9bd83; color: var(--ink); box-shadow: none; }
.home-bottom-cta .button-primary:hover { background: #e5cc99; }

@media (max-width: 1080px) {
  .latest-hero-grid { grid-template-columns: 1fr; gap: 52px; }
  .latest-hero-copy { text-align: center; }
  .latest-hero-copy .hero-lead { margin-inline: auto; }
  .latest-hero-copy .hero-actions { justify-content: center; }
  .latest-hero-copy .hero-facts { max-width: 620px; margin-inline: auto; }
  .latest-video-card { width: min(100%, 860px); margin-inline: auto; }
  .usage-note-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .recommendation-grid { grid-template-columns: 1fr; }
  .recommendation-card { display: grid; grid-template-columns: minmax(300px, 0.95fr) minmax(0, 1.05fr); align-items: center; }
  .recommendation-card-top { grid-column: 1 / -1; }
  .recommendation-card-footer { padding: 24px; }
}

@media (max-width: 700px) {
  .latest-hero { padding: 72px 0 78px; }
  .latest-hero-copy h1 { font-size: clamp(3.2rem, 17vw, 5rem); }
  .latest-video-footer { grid-template-columns: 1fr; align-items: start; }
  .video-card-heading { align-items: flex-start; flex-direction: column; gap: 5px; }
  .usage-note-grid { grid-template-columns: 1fr; }
  .usage-note-card { min-height: auto; }
  .recommendation-card { display: block; }
  .recommendation-card-top { display: flex; }
  .home-bottom-cta-inner { grid-template-columns: 1fr; }
  .home-bottom-cta .button { width: 100%; }
}


/* Home: latest YouTube video */
.home-video-stage {
  padding: clamp(44px, 5vw, 76px) 0 clamp(64px, 7vw, 100px);
  background:
    radial-gradient(circle at 12% 20%, rgba(47, 103, 87, 0.11), transparent 30%),
    radial-gradient(circle at 86% 8%, rgba(215, 184, 123, 0.16), transparent 28%),
    var(--bg);
}
.home-video-intro {
  width: min(calc(100% - 48px), 1240px);
  margin: 0 auto 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}
.home-video-title-block { display: grid; gap: 9px; }
.home-video-kicker {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  line-height: 1.4;
}
.home-video-kicker span {
  width: 28px;
  height: 1px;
  display: block;
  background: currentColor;
}
.home-video-title-block h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(2.25rem, 4.5vw, 4.6rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.home-video-channel-link {
  margin-bottom: 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.home-video-channel-link:hover {
  color: var(--green);
  border-color: var(--green);
}
.home-video-channel-link span { margin-left: 5px; }
.home-video-shell {
  width: min(calc(100% - 48px), 1240px);
  margin-inline: auto;
  padding: clamp(8px, 1vw, 13px);
  border: 1px solid rgba(34, 35, 31, 0.13);
  border-radius: clamp(20px, 2.2vw, 32px);
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 28px 82px rgba(42, 38, 29, 0.13);
}
.home-video-frame {
  width: 100%;
  border-radius: clamp(14px, 1.6vw, 23px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.home-section-heading > div { max-width: 600px; }
.home-section-heading h2 { text-wrap: balance; }
.home-section-heading > p,
.recommendation-heading-side { max-width: 460px; }

@media (max-width: 700px) {
  .home-video-stage { padding: 32px 0 58px; }
  .home-video-intro {
    width: min(calc(100% - 28px), 1240px);
    margin-bottom: 18px;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .home-video-title-block { gap: 7px; }
  .home-video-title-block h1 { font-size: clamp(2.1rem, 11vw, 3.4rem); }
  .home-video-channel-link { margin-bottom: 0; }
  .home-video-shell { width: min(calc(100% - 20px), 1240px); padding: 6px; border-radius: 18px; }
  .home-video-frame { border-radius: 13px; }
}


/* Official links heading */
.official-links-heading { justify-content: flex-start; margin-bottom: 38px; }
.official-links-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(2.15rem, 4vw, 3.8rem);
  font-weight: 500;
  letter-spacing: 0.015em;
}

/* Discreet, clearly labelled advertising positions */

@media (max-width: 700px) {
  .usage-title-nowrap { font-size: 1.22rem !important; }
}


/* Typography refresh */
body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.78;
  letter-spacing: 0.01em;
  font-feature-settings: "palt" 1;
  text-rendering: optimizeLegibility;
}
body h1,
body h2,
body h3 {
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.035em;
}
body h1 { line-height: 1.08; }
body h2 { line-height: 1.18; }
body h3 { line-height: 1.35; }
.brand-copy strong {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.global-nav a,
.button,
.eyebrow,
.home-video-kicker,
.recommendation-card-top span {
  font-family: var(--font-sans);
}
.section-heading h2,
.home-video-title-block h1,
.official-links-heading h2 {
  font-weight: 700;
  letter-spacing: -0.045em;
}
.usage-note-card h3,
.recommendation-card-footer strong,
.download-heading strong,
.social-card span strong,
.footer-brand strong {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.025em;
}


/* 2026 final visual refinement */
:root {
  --bg: #f4f1ea;
  --paper: #fffefa;
  --paper-2: #ece8df;
  --ink: #1d211d;
  --muted: #6c706a;
  --line: rgba(29, 33, 29, 0.12);
  --line-strong: rgba(29, 33, 29, 0.22);
  --green: #285f50;
  --green-dark: #1d493d;
  --green-soft: #dfe9e4;
  --sand: #c7a76a;
  --sand-soft: #eadcc0;
  --shadow: 0 28px 72px rgba(39, 42, 36, 0.09);
  --shadow-soft: 0 14px 36px rgba(39, 42, 36, 0.055);
  --container: 1220px;
}

html { text-size-adjust: 100%; }
body {
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "palt" 1;
  font-kerning: normal;
}

body h1,
body h2,
body h3,
.brand-copy strong,
.global-nav a,
.button,
.eyebrow,
.home-video-kicker,
.track-number,
.free-badge,
.recommendation-card-top,
.footer-links span {
  font-family: var(--font-sans);
}

body h1,
body h2,
body h3 {
  color: var(--ink);
  text-wrap: balance;
  word-break: auto-phrase;
}

p { text-wrap: pretty; }
.section { padding: clamp(84px, 8vw, 116px) 0; }
.container { width: min(calc(100% - 56px), var(--container)); }

.eyebrow {
  margin-bottom: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.19em;
}

.site-header { background: rgba(244, 241, 234, 0.9); }
.header-inner { width: min(calc(100% - 56px), var(--container)); min-height: 76px; }
.brand { gap: 12px; }
.brand-mark { width: 40px; height: 40px; box-shadow: 3px 3px 0 var(--sand-soft); }
.brand-copy strong { font-size: 0.98rem; font-weight: 700; letter-spacing: -0.015em; }
.global-nav { gap: 3px; }
.global-nav a { padding: 9px 13px; font-size: 0.77rem; font-weight: 600; white-space: nowrap; }
.global-nav .nav-cta { margin-left: 7px; padding-inline: 17px; }

.section-heading {
  margin-bottom: 42px;
  align-items: flex-end;
  gap: 40px;
}
.section-heading h2,
.profile-copy h2 {
  font-size: clamp(2.35rem, 4.5vw, 4.35rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.05em;
}
.section-heading > p {
  max-width: 680px;
  font-size: 0.9rem;
  line-height: 1.7;
}
.section-subline {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.section-link {
  flex: 0 0 auto;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color .18s ease, border-color .18s ease;
}
.section-link:hover { color: var(--green); border-color: var(--green); }
.section-link span { margin-left: 5px; }

.home-video-stage {
  padding: clamp(46px, 5vw, 70px) 0 clamp(72px, 7vw, 96px);
  background:
    radial-gradient(circle at 9% 15%, rgba(40, 95, 80, 0.09), transparent 31%),
    radial-gradient(circle at 88% 3%, rgba(199, 167, 106, 0.15), transparent 29%),
    var(--bg);
}
.home-video-intro,
.home-video-shell { width: min(calc(100% - 56px), 1180px); }
.home-video-intro { margin-bottom: 22px; }
.home-video-title-block { gap: 8px; }
.home-video-kicker { font-size: 0.67rem; font-weight: 700; letter-spacing: 0.18em; }
.home-video-title-block h1 {
  font-size: clamp(2.5rem, 4.7vw, 4.4rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.055em;
  white-space: nowrap;
}
.home-video-channel-link { font-size: 0.74rem; font-weight: 600; }
.home-video-shell {
  padding: 10px;
  border-radius: 28px;
  background: rgba(255,254,250,0.9);
  box-shadow: 0 30px 80px rgba(35, 39, 34, 0.11);
}
.home-video-frame { border-radius: 20px; }

.usage-guide-section { background: var(--paper); }
.home-section-heading > div { max-width: none; }
.home-section-heading > p { max-width: none; text-align: right; }
.usage-note-grid { gap: 16px; }
.usage-note-card {
  min-height: 286px;
  padding: 24px;
  border-radius: 22px;
  background: #f8f5ee;
  box-shadow: none;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.usage-note-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--shadow-soft); }
.usage-note-accent { background: #e9f0ec; }
.usage-note-warning { background: #f5ebe7; }
.usage-note-number { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; }
.usage-note-icon { width: 54px; height: 54px; margin-top: 24px; border-radius: 16px; }
.usage-note-icon img { width: 44px; height: 44px; }
.usage-note-card h3,
.usage-title-nowrap {
  margin-top: 20px;
  font-family: var(--font-ja);
  font-size: clamp(1.02rem, 1.35vw, 1.18rem) !important;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.usage-note-card p { margin-top: 11px; font-size: 0.78rem; line-height: 1.75; }
.usage-note-card a { font-size: 0.72rem; font-weight: 700; }

.recommendation-section { background: #ebe7df; }
.recommendation-heading { align-items: flex-end; }
.recommendation-grid { gap: 20px; }
.recommendation-card {
  border-radius: 22px;
  background: var(--paper);
  box-shadow: 0 16px 42px rgba(46, 43, 36, 0.055);
  transition: transform .2s ease, box-shadow .2s ease;
}
.recommendation-card:hover { transform: translateY(-4px); box-shadow: 0 22px 52px rgba(46, 43, 36, 0.085); }
.recommendation-card-top {
  min-height: 54px;
  padding: 14px 17px;
}
.recommendation-card-top span { font-size: 0.63rem; font-weight: 700; letter-spacing: 0.14em; }
.recommendation-card-top small { font-size: 0.65rem; }
.recommendation-card .video-frame { margin: 11px; border-radius: 15px; }

.page-hero { padding: 88px 0 72px; }
.page-hero h1 {
  font-size: clamp(3.8rem, 7.4vw, 6.8rem);
  font-weight: 700;
  line-height: .96;
  letter-spacing: -0.06em;
  white-space: nowrap;
}
.page-hero p:not(.eyebrow) { margin-top: 21px; font-size: 0.92rem; line-height: 1.7; }
.page-number-card { width: 180px; min-height: 142px; border-radius: 22px; }
.page-number-card strong { font-size: 3.1rem; font-weight: 700; }

.library-toolbar { top: 90px; border-radius: 20px; }
.search-box input { font-family: var(--font-ja); font-size: 0.88rem; }
.tag-button { font-family: var(--font-sans); font-weight: 600; }
.track-card { padding: 27px; border-radius: 28px; }
.track-header h2 {
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.04;
  white-space: nowrap;
}
.track-subtitle { font-size: 0.9rem; }
.track-description { font-size: 0.88rem; line-height: 1.75; }
.youtube-preview-panel,
.download-area { border-radius: 20px; }
.download-heading strong { font-size: 1.14rem; }
.booth-product-copy strong { font-family: var(--font-ja); font-size: 0.83rem; }

.contact-mail-card strong { font-family: var(--font-sans); font-size: 0.82rem; }
.profile-copy > p:not(.eyebrow) { font-size: 0.9rem; line-height: 1.75; }
.official-links-heading h2 { font-size: clamp(2rem, 3.8vw, 3.45rem); font-weight: 700; letter-spacing: -0.04em; }
.social-card span strong { font-size: 1.08rem; }

.terms-body { font-size: 0.9rem; line-height: 1.85; }
.terms-body h3 { font-size: 1.15rem; line-height: 1.5; }

.footer-brand strong { font-size: 1.55rem; }
.footer-brand p { line-height: 1.7; }

@media (min-width: 861px) {
  .home-section-heading > p { white-space: nowrap; }
  .recommendation-heading .section-subline { white-space: nowrap; }
}

@media (max-width: 1080px) {
  .recommendation-card { display: block; }
  .recommendation-card-top { grid-column: auto; }
}

@media (max-width: 860px) {
  .section-heading,
  .recommendation-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }
  .home-section-heading > p { text-align: left; }
  .section-link { margin-top: 2px; }
  .usage-note-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .usage-note-card h3,
  .usage-title-nowrap { font-size: 1.08rem !important; }
}

@media (max-width: 700px) {
  .container,
  .header-inner { width: min(calc(100% - 30px), var(--container)); }
  .home-video-intro { width: min(calc(100% - 30px), 1180px); }
  .home-video-shell { width: min(calc(100% - 20px), 1180px); padding: 6px; }
  .home-video-title-block h1 {
    font-size: clamp(1.75rem, 8.5vw, 2.4rem);
    letter-spacing: -0.045em;
    white-space: nowrap;
  }
  .home-video-kicker { font-size: 0.6rem; }
  .usage-note-grid { grid-template-columns: 1fr; }
  .usage-note-card { min-height: auto; }
  .usage-note-card h3,
  .usage-title-nowrap { font-size: 1.08rem !important; white-space: nowrap; }
  .page-hero h1 { font-size: clamp(3rem, 15vw, 4.8rem); white-space: nowrap; }
  .track-header h2 { font-size: clamp(2rem, 10vw, 3.1rem); white-space: normal; }
  .recommendation-grid { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  .home-video-title-block h1 { font-size: 1.65rem; }
  .usage-note-card h3,
  .usage-title-nowrap { font-size: 1rem !important; letter-spacing: -0.03em; }
  .page-hero h1 { font-size: 2.9rem; }
}

/* Contact lead: keep the desktop intro on one clean line. */
@media (min-width: 901px) {
  .contact-page-hero .page-hero-grid { grid-template-columns: minmax(0, 1fr) auto; gap: 42px; }
  .contact-page-hero .contact-lead { max-width: none; white-space: nowrap; font-size: clamp(0.78rem, 1.05vw, 0.92rem); letter-spacing: -0.015em; }
}