/* ── Brand tokens (Pure Harmony guideline) ── */
  :root {
    --sc-canvas:     #F7F2E8;
    --sc-surface:    #FDFAF4;
    --sc-ink:        #1F2B1D;
    --sc-ink-soft:   #545E4E;
    --sc-accent:     #1E4D28;
    --sc-accent-ink: #FDFAF4;
    --sc-font-display: "Playfair Display", Georgia, serif;
    --sc-font-text:    "Montserrat", system-ui, sans-serif;
    --sc-shadow-color: 130 40% 14%;

    --forest: #1E4D28; --forest-deep: #122D17; --sage: #4A7842; --mint: #78A858;
    --beige: #C9B68E; --beige-pale: #F0E8D4; --earth: #8A6440; --cream: #F7F2E8; --paper: #FDFAF4;
    --sage-wash: #E9EFE1;
    --r: 14px;
  }
  body { font-weight: 400; }
  h1, h2, h3, h4 { font-family: var(--sc-font-display); color: var(--forest); font-weight: 500; margin: 0; text-wrap: balance; }
  p { margin: 0; }
  a { color: inherit; }
  :focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 4px; }

  /* ── Shared type ── */
  .h-chapter { font-size: var(--sc-t-3xl); letter-spacing: var(--sc-track-tight); line-height: var(--sc-leading-tight); }
  .h-sub { font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); line-height: 1.2; }
  .prose { color: var(--sc-ink-soft); line-height: 1.75; max-width: 62ch; font-weight: 400; }
  .prose + .prose { margin-top: var(--sc-4); }
  .numeral { font-family: var(--sc-font-display); font-style: italic; color: var(--earth); font-size: var(--sc-t-lg); display: block; margin-bottom: var(--sc-3); }
  .wrap { width: 100%; max-width: 76rem; margin-inline: auto; padding-inline: var(--sc-gutter); }
  .chapter { padding-block: clamp(5rem, 10vw, 9rem); position: relative; }

  /* ── Buttons & links ── */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    min-height: 48px; padding: 0 1.6rem; border-radius: var(--sc-r-pill);
    background: var(--forest); color: var(--paper); border: 1.5px solid var(--forest);
    font: 600 0.9rem/1 var(--sc-font-text); letter-spacing: 0.02em; text-decoration: none; cursor: pointer; white-space: nowrap;
    box-shadow: 0 2px 4px hsl(130 40% 14% / 0.12), 0 8px 20px -6px hsl(130 40% 14% / 0.35);
    transition: background-color 160ms var(--sc-ease-out), transform 160ms var(--sc-ease-out), box-shadow 200ms var(--sc-ease-out);
  }
  .btn:hover { background: #2D6B3A; border-color: #2D6B3A; }
  .btn:active { transform: translateY(1px) scale(0.98); box-shadow: 0 1px 2px hsl(130 40% 14% / 0.2); }
  .btn:disabled { opacity: 0.6; cursor: progress; }
  .btn--ghost { background: transparent; color: var(--forest); box-shadow: none; }
  .btn--ghost:hover { background: rgba(30,77,40,0.07); border-color: var(--forest); }
  .btn--light { background: var(--paper); color: var(--forest); border-color: var(--paper); }
  .btn--light:hover { background: #fff; border-color: #fff; }
  .link { color: var(--forest); font-weight: 500; text-decoration: underline; text-decoration-color: var(--mint); text-decoration-thickness: 1.5px; text-underline-offset: 0.25em; transition: color 160ms var(--sc-ease-out); }
  .link:hover { color: var(--sage); }
  .link:active { color: var(--forest-deep); }

  /* ── Folio (margin chrome) ── */
  .folio {
    position: fixed; top: 0; left: 0; right: 0; z-index: var(--sc-z-chrome);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 0.9rem var(--sc-gutter); pointer-events: none;
  }
  .folio > * { pointer-events: auto; }
  .folio__mark {
    display: flex; align-items: center; gap: 0.75rem; text-decoration: none;
    background: color-mix(in oklab, var(--paper) 88%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border-radius: var(--sc-r-pill); padding: 0.3rem 1rem 0.3rem 0.3rem;
    box-shadow: 0 1px 2px hsl(130 40% 14% / 0.08), 0 6px 18px -8px hsl(130 40% 14% / 0.3);
  }
  .folio__mark img { width: 38px; height: 38px; border-radius: 50%; background: var(--paper); object-fit: contain; }
  .folio__where { font-size: 0.82rem; color: var(--forest); line-height: 1.2; }
  .folio__where i { font-family: var(--sc-font-display); color: var(--earth); margin-right: 0.35rem; }
  .folio__right { display: flex; align-items: center; gap: 0.5rem; }
  .folio__btn {
    min-height: 44px; padding: 0 1.1rem; border-radius: var(--sc-r-pill); cursor: pointer;
    background: color-mix(in oklab, var(--paper) 88%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(30,77,40,0.14); color: var(--forest); font: 500 0.85rem/1 var(--sc-font-text);
    display: inline-flex; align-items: center; gap: 0.45rem; text-decoration: none;
    transition: background-color 160ms var(--sc-ease-out), transform 160ms var(--sc-ease-out);
  }
  .folio__btn:hover { background: var(--paper); }
  .folio__btn:active { transform: scale(0.97); }
  .folio__btn--book { background: var(--forest); color: var(--paper); border-color: var(--forest); }
  .folio__btn--book:hover { background: #2D6B3A; }
  .contents {
    position: absolute; top: calc(100% - 0.2rem); right: var(--sc-gutter); width: min(20rem, calc(100vw - 2.5rem));
    background: var(--paper); border-radius: var(--r); padding: 0.6rem;
    box-shadow: var(--sc-e3); list-style: none; margin: 0;
    opacity: 0; transform: translateY(-6px) scale(0.98); transform-origin: top right; visibility: hidden;
    transition: opacity 180ms var(--sc-ease-out), transform 180ms var(--sc-ease-out), visibility 0s linear 180ms;
  }
  .contents.open { opacity: 1; transform: none; visibility: visible; transition-delay: 0s; }
  .contents a { display: flex; gap: 0.75rem; align-items: baseline; padding: 0.6rem 0.75rem; border-radius: 8px; text-decoration: none; color: var(--forest); font-size: 0.92rem; transition: background-color 140ms var(--sc-ease-out); }
  .contents a:hover { background: var(--sage-wash); }
  .contents a i { font-family: var(--sc-font-display); color: var(--earth); width: 1.8rem; flex-shrink: 0; }
  .contents a[aria-current="true"] { background: var(--sage-wash); font-weight: 600; }

  /* ── Title page ── */
  .title-page { min-height: 100svh; background: var(--cream); display: flex; align-items: center; padding-block: 7rem 4rem; overflow: hidden; }
  .title-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
  .title-page h1 { font-size: clamp(3rem, 1.6rem + 5.6vw, 6.4rem); letter-spacing: -0.035em; line-height: 0.98; margin-bottom: var(--sc-6); }
  .title-page h1 em { font-style: italic; font-weight: 400; color: var(--sage); }
  .title-page .lede { font-size: var(--sc-t-lg); line-height: 1.6; color: var(--sc-ink-soft); max-width: 30ch; margin-bottom: var(--sc-7); }
  .title-page .actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
  .title-side { display: flex; flex-direction: column; align-items: center; gap: var(--sc-6); }
  .title-logo { width: min(100%, 22rem); aspect-ratio: 1; object-fit: contain; filter: drop-shadow(0 18px 36px hsl(130 40% 14% / 0.14)); }
  .toc { list-style: none; margin: 0; padding: 0; width: 100%; max-width: 22rem; border-top: 1px solid rgba(138,100,64,0.3); columns: 2; column-gap: 1.5rem; padding-top: var(--sc-4); }
  .toc a { display: flex; gap: 0.5rem; padding: 0.3rem 0; text-decoration: none; font-size: 0.85rem; color: var(--sc-ink-soft); break-inside: avoid; transition: color 140ms var(--sc-ease-out); }
  .toc a:hover { color: var(--forest); }
  .toc a i { font-family: var(--sc-font-display); color: var(--earth); width: 1.6rem; }
  @keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
  .title-page .enter { animation: rise 900ms var(--sc-ease-out) both; }
  .title-page .enter:nth-child(2) { animation-delay: 90ms; } .title-page .enter:nth-child(3) { animation-delay: 180ms; }
  .title-side.enter { animation-delay: 260ms; }

  /* ── I. The idea ── */
  .ch-idea { background: var(--paper); }
  .idea-question { font-family: var(--sc-font-display); font-size: clamp(2rem, 1.2rem + 3.4vw, 4.2rem); line-height: 1.08; letter-spacing: -0.03em; color: var(--forest); max-width: 18ch; margin: var(--sc-6) 0 var(--sc-8); }
  .idea-question em { color: var(--sage); }
  .idea-points { list-style: none; margin: 0; padding: var(--sc-6) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); border-top: 1px solid rgba(138,100,64,0.3); }
  .idea-points h3 { font-size: 1.35rem; margin-bottom: var(--sc-2); line-height: 1.25; }
  .idea-points p { color: var(--sc-ink-soft); line-height: 1.65; max-width: 30ch; }

  /* ── II. Hina ── */
  .ch-hina { background: var(--beige-pale); }
  .hina-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
  .portrait { margin: 0; }
  .portrait__frame { border-radius: 200px 200px var(--r) var(--r); overflow: hidden; aspect-ratio: 4 / 5; box-shadow: var(--sc-e3); background: var(--beige); }
  .portrait__frame img { width: 100%; height: 118%; object-fit: cover; object-position: center 20%; margin-top: -4%; }
  .portrait figcaption { font-size: 0.8rem; color: var(--sc-ink-soft); margin-top: var(--sc-3); font-style: italic; font-family: var(--sc-font-display); }
  .hina-role { font-size: 0.95rem; color: var(--earth); margin: var(--sc-3) 0 var(--sc-6); font-weight: 500; }
  .creds { list-style: none; padding: 0; margin: var(--sc-6) 0 var(--sc-7); display: grid; gap: 0.5rem; }
  .creds li { display: flex; gap: 0.75rem; align-items: center; color: var(--forest); font-weight: 500; font-size: 0.95rem; }
  .creds li::before { content: ""; width: 7px; height: 11px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; background: var(--mint); flex-shrink: 0; }

  /* ── III. Index of conditions ── */
  .ch-index { background: var(--paper); }
  .index-intro { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sc-7); align-items: end; margin-bottom: var(--sc-8); }
  .index { columns: 4 15rem; column-gap: clamp(1.5rem, 3vw, 3rem); }
  .index-group { break-inside: avoid; margin-bottom: var(--sc-7); }
  .index-group h3 { font-size: 1.15rem; padding-bottom: var(--sc-2); border-bottom: 1px solid rgba(138,100,64,0.3); margin-bottom: var(--sc-2); }
  .index-group p { font-size: 0.8rem; color: var(--sc-ink-soft); margin-bottom: var(--sc-2); line-height: 1.5; }
  .cond {
    display: flex; align-items: center; gap: 0.6rem; width: 100%; min-height: 40px;
    background: none; border: 0; padding: 0.3rem 0.4rem; margin-left: -0.4rem; border-radius: 8px; cursor: pointer; text-align: left;
    font: 400 0.95rem/1.3 var(--sc-font-text); color: var(--sc-ink);
    transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out);
  }
  .cond::before {
    content: ""; width: 12px; height: 16px; flex-shrink: 0;
    border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%;
    border: 1.5px solid var(--sage); background: transparent;
    transition: background-color 180ms var(--sc-ease-out), transform 220ms var(--sc-ease-out);
  }
  .cond:hover { background: var(--sage-wash); }
  .cond:active::before { transform: scale(0.85); }
  .cond[aria-pressed="true"] { color: var(--forest); font-weight: 600; }
  .cond[aria-pressed="true"]::before { background: var(--mint); border-color: var(--forest); transform: scale(1.1); }
  .tally {
    position: sticky; bottom: 1rem; z-index: 5; margin: var(--sc-5) auto 0; width: fit-content; max-width: 100%;
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; justify-content: center;
    background: var(--forest); color: var(--paper); border-radius: var(--sc-r-pill); padding: 0.55rem 0.6rem 0.55rem 1.3rem;
    box-shadow: var(--sc-e3); font-size: 0.9rem;
    opacity: 0; transform: translateY(12px); pointer-events: none;
    transition: opacity 240ms var(--sc-ease-out), transform 240ms var(--sc-ease-out);
  }
  .tally.show { opacity: 1; transform: none; pointer-events: auto; }
  .tally a { color: var(--forest); background: var(--paper); border-radius: var(--sc-r-pill); padding: 0.55rem 1rem; text-decoration: none; font-weight: 600; font-size: 0.85rem; transition: background-color 140ms var(--sc-ease-out); }
  .tally a:hover { background: #fff; }

  /* ── IV. The remedy (peak, pinned) ── */
  .ch-remedy { background: var(--sage-wash); }
  .remedy-stage { height: 100%; align-content: center; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(1.5rem, 5vw, 5rem); padding: 5.5rem var(--sc-gutter) 2rem; max-width: 76rem; margin-inline: auto; }
  .remedy-copy h2 { font-size: var(--sc-t-2xl); letter-spacing: var(--sc-track-tight); line-height: 1.05; margin-bottom: var(--sc-6); }
  .steps { display: grid; }
  .steps > * { grid-area: 1 / 1; }
  .step h3 { font-size: 1.35rem; margin-bottom: var(--sc-3); }
  .step h3 span { font-style: italic; font-weight: 400; color: var(--sage); font-size: 1rem; }
  .step .prose { font-size: 0.98rem; }
  .step-mark { font-family: var(--sc-font-display); font-style: italic; color: var(--earth); display: block; margin-bottom: var(--sc-2); }
  .bottle-wrap { position: relative; height: min(70svh, 34rem); display: flex; align-items: flex-end; justify-content: center; }
  .bottle { height: 78%; width: auto; overflow: visible; filter: drop-shadow(0 24px 30px hsl(130 40% 14% / 0.22)); }
  .drop {
    position: absolute; left: 0; top: 0; display: flex; align-items: center; gap: 0.45rem;
    background: var(--paper); color: var(--forest); border-radius: var(--sc-r-pill); padding: 0.35rem 0.8rem 0.35rem 0.45rem;
    font-size: 0.82rem; font-weight: 500; white-space: nowrap;
    box-shadow: 0 2px 4px hsl(130 40% 14% / 0.1), 0 10px 22px -8px hsl(130 40% 14% / 0.35);
    will-change: transform, opacity; opacity: 0;
  }
  .drop::before { content: ""; width: 10px; height: 14px; border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%; background: var(--mint); }
  .remedy-hint { font-size: 0.82rem; color: var(--sc-ink-soft); margin-top: var(--sc-5); }

  /* ── V. Approach (pan) ── */
  .ch-approach { background: var(--cream); }
  .rail { gap: clamp(1rem, 3vw, 2.5rem); padding: 0 var(--sc-gutter); align-items: center; height: 100%; }
  .rail > * { flex: 0 0 clamp(17rem, 30vw, 25rem); }
  .rail-lead h2 { font-size: var(--sc-t-2xl); letter-spacing: var(--sc-track-tight); line-height: 1.05; margin-bottom: var(--sc-5); }
  .principle {
    background: var(--paper); border-radius: var(--r); padding: clamp(1.75rem, 3vw, 2.75rem);
    box-shadow: var(--sc-edge), var(--sc-e2); min-height: 22rem; display: flex; flex-direction: column; justify-content: space-between;
  }
  .principle:nth-child(odd) { transform: translateY(1.5rem); }
  .principle svg { width: 44px; height: 44px; color: var(--sage); }
  .principle h3 { font-size: clamp(2rem, 1.4rem + 1.8vw, 2.8rem); letter-spacing: var(--sc-track-tight); margin: var(--sc-7) 0 var(--sc-3); }
  .principle p { color: var(--sc-ink-soft); line-height: 1.7; font-size: 0.95rem; }
  .rail-note { padding-right: var(--sc-gutter); }
  .rail-note p { font-family: var(--sc-font-display); font-size: var(--sc-t-xl); line-height: 1.3; color: var(--forest); margin-bottom: var(--sc-6); }

  /* ── VI. Mission ── */
  .ch-mission { background: var(--forest); color: var(--paper); text-align: left; }
  .ch-mission .numeral { color: var(--beige); }
  .ch-mission blockquote { margin: 0; font-family: var(--sc-font-display); font-style: italic; font-size: clamp(1.8rem, 1.1rem + 2.8vw, 3.6rem); line-height: 1.2; letter-spacing: -0.02em; max-width: 24ch; color: var(--paper); }
  .ch-mission cite { display: block; font-style: normal; margin: var(--sc-6) 0 var(--sc-7); color: #C9DDBE; font-size: 0.95rem; }

  /* ── VII. Book ── */
  .ch-book { background: var(--paper); }
  .book-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
  .reach { list-style: none; padding: 0; margin: var(--sc-7) 0 0; display: grid; gap: var(--sc-5); }
  .reach a { display: block; text-decoration: none; padding: var(--sc-4) 0; border-top: 1px solid rgba(138,100,64,0.3); transition: color 140ms var(--sc-ease-out); }
  .reach a:hover strong { color: var(--sage); }
  .reach span { display: block; font-size: 0.8rem; color: var(--sc-ink-soft); margin-bottom: 0.2rem; }
  .reach strong { font-family: var(--sc-font-display); font-weight: 500; font-size: 1.3rem; color: var(--forest); word-break: break-word; transition: color 140ms var(--sc-ease-out); }
  .panel { background: #fff; border-radius: 20px; padding: clamp(1.5rem, 4vw, 2.75rem); box-shadow: var(--sc-edge), var(--sc-e3); }
  .panel h3 { font-size: 1.6rem; margin-bottom: var(--sc-2); }
  .panel > p { color: var(--sc-ink-soft); font-size: 0.92rem; margin-bottom: var(--sc-6); line-height: 1.6; }
  .field { margin-bottom: var(--sc-4); }
  .field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--forest); margin-bottom: 0.4rem; }
  .field label .req { color: #A33A2A; }
  .input {
    width: 100%; min-height: 48px; padding: 0.75rem 1rem; border-radius: 10px;
    border: 1.5px solid rgba(201,182,142,0.7); background: var(--paper); color: var(--sc-ink);
    font: 400 0.95rem/1.4 var(--sc-font-text); outline: none; appearance: none; -webkit-appearance: none;
    transition: border-color 160ms var(--sc-ease-out), box-shadow 160ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out);
  }
  .input:hover { border-color: var(--beige); }
  .input:focus { border-color: var(--sage); box-shadow: 0 0 0 3px rgba(74,120,66,0.16); background: #fff; }
  .input::placeholder { color: #8E9288; }
  textarea.input { min-height: 110px; resize: vertical; line-height: 1.6; }
  select.input { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A7842' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; cursor: pointer; }
  .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sc-4); }
  .form-error { display: none; background: #FBEDEA; color: #8B2A1E; border-radius: 10px; padding: 0.85rem 1rem; font-size: 0.88rem; line-height: 1.55; margin-top: var(--sc-4); }
  .form-success { display: none; text-align: center; padding: var(--sc-7) var(--sc-4); }
  .form-success .tick { width: 60px; height: 60px; border-radius: 50%; background: var(--forest); display: grid; place-items: center; margin: 0 auto var(--sc-5); }
  .form-success h4 { font-size: 1.6rem; margin-bottom: var(--sc-3); }
  .form-success p { color: var(--sc-ink-soft); line-height: 1.7; }

  /* ── VIII. Shop (coming soon) ── */
  .ch-shop { background: var(--beige-pale); }
  .shop-head { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sc-7); align-items: end; margin-bottom: var(--sc-8); }
  .shelf { position: relative; border-radius: 20px; overflow: hidden; }
  .shelf__items { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sc-5); padding: var(--sc-6); filter: saturate(0.4); opacity: 0.55; user-select: none; }
  .ph { background: var(--paper); border-radius: var(--r); padding: var(--sc-5); display: grid; gap: var(--sc-3); justify-items: center; box-shadow: var(--sc-e1); }
  .ph svg { width: 56px; height: 90px; }
  .ph i { display: block; height: 10px; border-radius: 5px; background: #DCD3BE; width: 70%; }
  .ph i + i { width: 45%; background: #E7E0CF; }
  .lock {
    position: absolute; inset: 0; display: grid; place-items: center; padding: var(--sc-5);
    background: color-mix(in oklab, var(--beige-pale) 55%, transparent); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  }
  .lock__card { background: var(--paper); border-radius: 20px; box-shadow: var(--sc-edge), var(--sc-e3); padding: clamp(1.75rem, 4vw, 2.75rem); max-width: 30rem; text-align: center; }
  .lock__card svg { width: 40px; height: 40px; color: var(--earth); margin: 0 auto var(--sc-4); }
  .lock__card h3 { font-size: clamp(2rem, 1.5rem + 1.6vw, 2.8rem); letter-spacing: var(--sc-track-tight); margin-bottom: var(--sc-3); }
  .lock__card p { color: var(--sc-ink-soft); line-height: 1.7; margin-bottom: var(--sc-6); font-size: 0.95rem; }

  /* ── IX. Celebrations ── */
  .ch-celebrate { background: var(--cream); }
  .celebrate-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
  .services { list-style: none; padding: 0; margin: var(--sc-7) 0 var(--sc-6); }
  .services li { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: var(--sc-4); padding: var(--sc-5) 0; border-top: 1px solid rgba(138,100,64,0.3); align-items: start; }
  .services li:last-child { border-bottom: 1px solid rgba(138,100,64,0.3); }
  .services .ico { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, var(--earth), var(--beige)); display: grid; place-items: center; box-shadow: 0 2px 4px hsl(30 40% 20% / 0.15), 0 8px 16px -6px hsl(30 40% 20% / 0.35); }
  .services h3 { font-size: 1.25rem; margin-bottom: 0.2rem; }
  .services p { color: var(--sc-ink-soft); font-size: 0.92rem; }
  .ig-btn {
    display: inline-flex; align-items: center; gap: 0.45rem; margin-top: var(--sc-3);
    min-height: 40px; padding: 0 1rem; border-radius: var(--sc-r-pill);
    border: 1.5px solid var(--earth); color: var(--earth); background: transparent;
    font: 600 0.82rem/1 var(--sc-font-text); text-decoration: none;
    transition: background-color 160ms var(--sc-ease-out), color 160ms var(--sc-ease-out), transform 160ms var(--sc-ease-out);
  }
  .ig-btn:hover { background: var(--earth); color: var(--paper); }
  .ig-btn:active { transform: scale(0.97); }
  .promises { color: var(--sc-ink-soft); font-size: 0.9rem; line-height: 1.8; }
  .promises strong { color: var(--forest); font-weight: 600; }

  /* ── Colophon ── */
  .colophon { background: var(--forest-deep); color: #C9D4C2; padding: clamp(4rem, 8vw, 6rem) 0 2.5rem; }
  .colophon__top { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: var(--sc-7); align-items: start; }
  .colophon img { width: 64px; height: 64px; margin-bottom: var(--sc-4); border-radius: 50%; background: var(--paper); }
  .colophon h2 { color: var(--paper); font-size: var(--sc-t-xl); font-style: italic; font-weight: 400; margin-bottom: var(--sc-3); }
  .colophon p, .colophon li { font-size: 0.9rem; line-height: 1.8; }
  .colophon ul { list-style: none; margin: 0; padding: 0; }
  .colophon a { color: #E6EEE0; text-decoration: none; transition: color 140ms var(--sc-ease-out); }
  .colophon a:hover { color: #fff; text-decoration: underline; text-underline-offset: 0.25em; }
  .colophon h4 { color: var(--paper); font-family: var(--sc-font-text); font-size: 0.85rem; font-weight: 600; margin-bottom: var(--sc-3); }
  .colophon__base { border-top: 1px solid rgba(255,255,255,0.12); margin-top: var(--sc-8); padding-top: var(--sc-5); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.8rem; color: #9FB09A; }

  /* ── Responsive ── */
  @media (max-width: 960px) {
    .idea-points { grid-template-columns: 1fr; gap: var(--sc-5); }
    .shelf__items { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 860px) {
    .title-grid, .hina-grid, .index-intro, .book-grid, .shop-head, .celebrate-grid { grid-template-columns: 1fr; }
    .title-side { order: -1; align-items: flex-start; }
    .title-logo { width: 9rem; }
    .toc { display: none; }
    .title-page { padding-block: 6.5rem 3rem; }
    .portrait { max-width: 24rem; }
    .colophon__top { grid-template-columns: 1fr; }
    .remedy-stage { grid-template-columns: 1fr; grid-template-rows: auto 1fr; padding-top: 4.75rem; gap: 0.5rem; align-content: start; }
    .bottle-wrap { order: -1; height: 38svh; }
    .remedy-copy h2 { font-size: 1.7rem; margin-bottom: var(--sc-4); }
    .step .prose { font-size: 0.9rem; line-height: 1.6; }
    .folio__where { display: none; }
    .folio__mark { padding-right: 0.3rem; }
    .principle:nth-child(odd) { transform: none; }
  }
  @media (max-width: 560px) {
    .row2 { grid-template-columns: 1fr; gap: 0; }
    .folio__btn--contents span { display: none; }
    .shelf__items { gap: var(--sc-3); padding: var(--sc-4); }
    .index { columns: 1; }
  }
  @media (prefers-reduced-motion: reduce) {
    .title-page .enter { animation: none; }
    .drop { transition: none; }
  }

  /* ── Services page ── */
  .page-head { background: var(--cream); padding: 8.5rem 0 3rem; }
  .page-head h1 { font-size: clamp(2.8rem, 1.6rem + 4.6vw, 5.6rem); letter-spacing: -0.035em; line-height: 1; }
  .page-head .lede { font-size: var(--sc-t-lg); line-height: 1.6; color: var(--sc-ink-soft); max-width: 34ch; margin-top: var(--sc-5); }
  .ch-celebrate.on-page { padding-top: 1rem; }
  .folio__btn--tab { background: var(--beige-pale); border-color: rgba(138,100,64,0.35); color: var(--earth); }
  .folio__btn--tab:hover { background: var(--paper); }
  .folio__btn--tab svg { flex-shrink: 0; }
  @media (max-width: 560px) {
    .folio__right { gap: 0.35rem; }
    .folio__btn { padding: 0 0.8rem; font-size: 0.8rem; }
    .folio__btn .long { display: none; }
  }
  @media (min-width: 561px) { .folio__btn .short { display: none; } }

  /* ── III. Index + remedy panel ── */
  .support-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); grid-template-areas: "intro panel" "index panel"; column-gap: clamp(2rem, 5vw, 5rem); align-items: start; }
  .support-grid .index-intro { grid-area: intro; display: block; margin-bottom: var(--sc-7); }
  .support-grid .index-intro .prose { margin-top: var(--sc-4); }
  .support-grid .index { grid-area: index; columns: 2 13rem; }
  .remedy-panel {
    grid-area: panel; position: sticky; top: 92px; z-index: 10;
    background: var(--sage-wash); border-radius: 20px; padding: var(--sc-6);
    box-shadow: var(--sc-edge), var(--sc-e2); display: grid; gap: var(--sc-5); justify-items: center; text-align: center;
  }
  .remedy-panel .bottle-wrap { height: 16rem; width: 100%; }
  .remedy-panel .bottle { height: 100%; }
  #liquid { transition: transform 700ms var(--sc-ease-out); }
  #label { transition: opacity 400ms var(--sc-ease-out); }
  .panel-copy h3 { font-size: 1.45rem; margin-bottom: 0.25rem; }
  #panel-status { color: var(--sc-ink-soft); font-size: 0.92rem; margin-bottom: var(--sc-5); }
  .mini-steps { list-style: none; padding: var(--sc-4) 0 0; margin: 0 0 var(--sc-5); display: grid; gap: var(--sc-3); font-size: 0.85rem; color: var(--sc-ink-soft); line-height: 1.5; border-top: 1px solid rgba(74,120,66,0.2); text-align: left; }
  .mini-steps strong { display: block; color: var(--forest); font-weight: 600; }
  .panel-btn { width: 100%; }
  .drop-fly { position: fixed; left: 0; top: 0; z-index: 80; pointer-events: none; opacity: 1; }
  @media (max-width: 860px) {
    .support-grid { grid-template-columns: 1fr; grid-template-areas: "intro" "panel" "index"; }
    .support-grid .index-intro { margin-bottom: var(--sc-5); }
    .remedy-panel {
      top: 76px; grid-template-columns: 56px 1fr; justify-items: start; align-items: center; text-align: left;
      gap: var(--sc-4); padding: 0.7rem 1rem; margin-bottom: var(--sc-5); border-radius: 16px;
    }
    .remedy-panel .bottle-wrap { height: 84px; width: 56px; }
    .panel-copy h3 { font-size: 1.05rem; }
    #panel-status { font-size: 0.82rem; margin-bottom: 0; }
    .mini-steps, .panel-btn { display: none; }
  }

  /* ── III. Restoring balance (pinned, desktop) ── */
  .intro-lines { display: grid; margin-top: var(--sc-4); }
  .intro-lines > * { grid-area: 1 / 1; }
  #support.is-pinned .support-stage { height: 100svh; }
  #support.is-pinned .support-grid {
    height: 100%; padding-top: 5rem; padding-bottom: 1.5rem; align-content: center;
    grid-template-columns: minmax(0, 1fr) 17rem; row-gap: 0; column-gap: clamp(1.5rem, 3vw, 3rem);
  }
  #support.is-pinned .index-intro { margin-bottom: var(--sc-5); }
  #support.is-pinned .h-chapter { font-size: clamp(2.4rem, 1.4rem + 2.6vw, 3.8rem); }
  #support.is-pinned .index { columns: 4; column-gap: 1.25rem; position: relative; z-index: 12; }
  #support.is-pinned .index-group { margin-bottom: var(--sc-4); }
  #support.is-pinned .index-group h3 { font-size: 1rem; margin-bottom: 0.4rem; padding-bottom: 0.35rem; }
  #support.is-pinned .cond {
    width: fit-content; max-width: 100%; text-align: left; margin: 0 0 0.35rem; min-height: 34px; padding: 0.3rem 0.8rem 0.3rem 0.6rem;
    background: var(--paper); border: 1px solid rgba(74,120,66,0.22); border-radius: var(--sc-r-pill);
    font-size: 0.82rem; line-height: 1.25; box-shadow: 0 1px 2px hsl(130 40% 14% / 0.06), 0 4px 10px -4px hsl(130 40% 14% / 0.18);
    will-change: transform;
  }
  #support.is-pinned .cond::before { width: 10px; height: 13px; }
  #support.is-pinned .cond:hover { background: var(--sage-wash); border-color: rgba(74,120,66,0.45); }
  #support.is-pinned .cond[aria-pressed="true"] { background: var(--sage-wash); border-color: var(--forest); }
  #support.is-pinned .remedy-panel { position: relative; top: auto; align-self: center; padding: var(--sc-5); gap: var(--sc-4); }
  #support.is-pinned .remedy-panel .bottle-wrap { height: 13rem; }
  #support.is-pinned .index-group h3 { opacity: 0; }
  @media (max-height: 860px) {
    #support.is-pinned .mini-steps { display: none; }
    #support.is-pinned .remedy-panel .bottle-wrap { height: 11rem; }
  }

  .ch-shop.on-page { padding-top: 1rem; }
  .folio__btn--shop { gap: 0.4rem; }
  @media (max-width: 560px) { .folio__btn--shop { width: 44px; padding: 0; justify-content: center; } }

  /* ── Instagram slideshows ── */
  .ig-slider { margin-top: var(--sc-4); max-width: 100%; }
  .ig-slider[hidden] { display: none; }
  .ig-track {
    display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
    overscroll-behavior-x: contain; scrollbar-width: none; border-radius: var(--r); padding-bottom: 2px;
  }
  .ig-track::-webkit-scrollbar { display: none; }
  .ig-track:focus-visible { outline: 2px solid var(--mint); outline-offset: 4px; }
  .ig-slide { flex: 0 0 min(100%, 22rem); scroll-snap-align: start; }
  .ig-slide .instagram-media { margin: 0 !important; min-width: 0 !important; width: 100% !important; max-width: 100% !important; border-radius: var(--r) !important; box-shadow: var(--sc-e2) !important; }
  .ig-controls { display: flex; align-items: center; gap: var(--sc-3); margin-top: var(--sc-3); }
  .ig-nav {
    width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
    background: var(--paper); border: 1.5px solid rgba(138,100,64,0.4); color: var(--earth);
    transition: background-color 160ms var(--sc-ease-out), transform 160ms var(--sc-ease-out);
  }
  .ig-nav:hover:not(:disabled) { background: var(--beige-pale); }
  .ig-nav:active:not(:disabled) { transform: scale(0.94); }
  .ig-nav:disabled { opacity: 0.35; cursor: default; }
  .ig-count { font-size: 0.85rem; color: var(--sc-ink-soft); font-variant-numeric: tabular-nums; min-width: 3.5rem; text-align: center; }
  @media (prefers-reduced-motion: reduce) { .ig-track { scroll-behavior: auto; } }

  .services li > div { min-width: 0; }
  .ig-slider, .ig-track { min-width: 0; width: 100%; }