/* domino.kim 공통 스타일.
   구성: 좁은 본문 한 단(문서) + 넓은 한 단(소개).
   색과 모양은 빙수 앱을 따른다(앱의 Palette.swift, Glass.swift):
   위는 하늘빛이고 아래로 회색이 되는 바탕에 옅은 눈 결정, 반투명 카드에 흰 테두리와 파란 그림자,
   그릇 파랑(accent)·시럽 남색(syrup)·리본 코랄(ribbon). 글꼴도 앱처럼 기기 기본 글꼴.
   밝은 화면·어두운 화면은 기기 설정을 따르고 :root 토큰만 바꾼다. */
:root {
  --bg: #eceff3;
  --bg-top: #d9e8fa;
  --bg-mid: #e8f0f7;
  --bg-low: #edf0f2;
  --card: #f6fafc;
  --surface: rgb(246 250 252 / .82);
  --fg: #1a2333;
  --muted: #566277;
  --line: rgb(31 63 148 / .13);
  --edge: rgb(255 255 255 / .95);
  --accent: #2f62c8;
  --accent-ink: #ffffff;
  --btn-ring: rgb(255 255 255 / .9);
  --syrup: #1f3f94;
  --sky: #d9e7fb;
  --ribbon: #ee6a55;
  --ribbon-ink: #c2452f;
  --shadow: 0 6px 16px rgb(47 98 200 / .13);
  --shadow-lift: 0 10px 26px rgb(47 98 200 / .2);
  --snow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='720' viewBox='0 0 400 720'%3E%3Cpath d='M40.0 129.6L40.0 120.6M40.0 124.2L38.1 122.0M40.0 124.2L41.9 122.0M40.0 129.6L47.8 125.1M44.7 126.9L45.7 124.2M44.7 126.9L47.5 127.4M40.0 129.6L47.8 134.1M44.7 132.3L47.5 131.8M44.7 132.3L45.7 135.0M40.0 129.6L40.0 138.6M40.0 135.0L41.9 137.2M40.0 135.0L38.1 137.2M40.0 129.6L32.2 134.1M35.3 132.3L34.3 135.0M35.3 132.3L32.5 131.8M40.0 129.6L32.2 125.1M35.3 126.9L32.5 127.4M35.3 126.9L34.3 124.2M336.0 100.8L336.0 93.8M336.0 96.6L334.6 94.9M336.0 96.6L337.4 94.9M336.0 100.8L342.1 97.3M339.6 98.7L340.4 96.6M339.6 98.7L341.8 99.1M336.0 100.8L342.1 104.3M339.6 102.9L341.8 102.5M339.6 102.9L340.4 105.0M336.0 100.8L336.0 107.8M336.0 105.0L337.4 106.7M336.0 105.0L334.6 106.7M336.0 100.8L329.9 104.3M332.4 102.9L331.6 105.0M332.4 102.9L330.2 102.5M336.0 100.8L329.9 97.3M332.4 98.7L330.2 99.1M332.4 98.7L331.6 96.6M212.0 216.0L212.0 210.0M212.0 212.4L210.8 210.9M212.0 212.4L213.2 210.9M212.0 216.0L217.2 213.0M215.1 214.2L215.8 212.4M215.1 214.2L217.0 214.5M212.0 216.0L217.2 219.0M215.1 217.8L217.0 217.5M215.1 217.8L215.8 219.6M212.0 216.0L212.0 222.0M212.0 219.6L213.2 221.1M212.0 219.6L210.8 221.1M212.0 216.0L206.8 219.0M208.9 217.8L208.2 219.6M208.9 217.8L207.0 217.5M212.0 216.0L206.8 213.0M208.9 214.2L207.0 214.5M208.9 214.2L208.2 212.4M60.0 352.8L60.0 344.8M60.0 348.0L58.4 346.0M60.0 348.0L61.6 346.0M60.0 352.8L66.9 348.8M64.2 350.4L65.0 348.0M64.2 350.4L66.7 350.8M60.0 352.8L66.9 356.8M64.2 355.2L66.7 354.8M64.2 355.2L65.0 357.6M60.0 352.8L60.0 360.8M60.0 357.6L61.6 359.6M60.0 357.6L58.4 359.6M60.0 352.8L53.1 356.8M55.8 355.2L55.0 357.6M55.8 355.2L53.3 354.8M60.0 352.8L53.1 348.8M55.8 350.4L53.3 350.8M55.8 350.4L55.0 348.0M356.0 324.0L356.0 314.0M356.0 318.0L353.9 315.6M356.0 318.0L358.1 315.6M356.0 324.0L364.7 319.0M361.2 321.0L362.3 318.0M361.2 321.0L364.3 321.6M356.0 324.0L364.7 329.0M361.2 327.0L364.3 326.4M361.2 327.0L362.3 330.0M356.0 324.0L356.0 334.0M356.0 330.0L358.1 332.4M356.0 330.0L353.9 332.4M356.0 324.0L347.3 329.0M350.8 327.0L349.7 330.0M350.8 327.0L347.7 326.4M356.0 324.0L347.3 319.0M350.8 321.0L347.7 321.6M350.8 321.0L349.7 318.0M184.0 475.2L184.0 468.2M184.0 471.0L182.6 469.3M184.0 471.0L185.4 469.3M184.0 475.2L190.1 471.7M187.6 473.1L188.4 471.0M187.6 473.1L189.8 473.5M184.0 475.2L190.1 478.7M187.6 477.3L189.8 476.9M187.6 477.3L188.4 479.4M184.0 475.2L184.0 482.2M184.0 479.4L185.4 481.1M184.0 479.4L182.6 481.1M184.0 475.2L177.9 478.7M180.4 477.3L179.6 479.4M180.4 477.3L178.2 476.9M184.0 475.2L177.9 471.7M180.4 473.1L178.2 473.5M180.4 473.1L179.6 471.0M324.0 540.0L324.0 532.0M324.0 535.2L322.4 533.2M324.0 535.2L325.6 533.2M324.0 540.0L330.9 536.0M328.2 537.6L329.0 535.2M328.2 537.6L330.7 538.0M324.0 540.0L330.9 544.0M328.2 542.4L330.7 542.0M328.2 542.4L329.0 544.8M324.0 540.0L324.0 548.0M324.0 544.8L325.6 546.8M324.0 544.8L322.4 546.8M324.0 540.0L317.1 544.0M319.8 542.4L319.0 544.8M319.8 542.4L317.3 542.0M324.0 540.0L317.1 536.0M319.8 537.6L317.3 538.0M319.8 537.6L319.0 535.2M40.0 612.0L40.0 606.0M40.0 608.4L38.8 606.9M40.0 608.4L41.2 606.9M40.0 612.0L45.2 609.0M43.1 610.2L43.8 608.4M43.1 610.2L45.0 610.5M40.0 612.0L45.2 615.0M43.1 613.8L45.0 613.5M43.1 613.8L43.8 615.6M40.0 612.0L40.0 618.0M40.0 615.6L41.2 617.1M40.0 615.6L38.8 617.1M40.0 612.0L34.8 615.0M36.9 613.8L36.2 615.6M36.9 613.8L35.0 613.5M40.0 612.0L34.8 609.0M36.9 610.2L35.0 610.5M36.9 610.2L36.2 608.4M256.0 676.8L256.0 667.8M256.0 671.4L254.1 669.2M256.0 671.4L257.9 669.2M256.0 676.8L263.8 672.3M260.7 674.1L261.7 671.4M260.7 674.1L263.5 674.6M256.0 676.8L263.8 681.3M260.7 679.5L263.5 679.0M260.7 679.5L261.7 682.2M256.0 676.8L256.0 685.8M256.0 682.2L257.9 684.4M256.0 682.2L254.1 684.4M256.0 676.8L248.2 681.3M251.3 679.5L250.3 682.2M251.3 679.5L248.5 679.0M256.0 676.8L248.2 672.3M251.3 674.1L248.5 674.6M251.3 674.1L250.3 671.4M124.0 252.0L124.0 247.0M124.0 249.0L123.0 247.8M124.0 249.0L125.0 247.8M124.0 252.0L128.3 249.5M126.6 250.5L127.1 249.0M126.6 250.5L128.2 250.8M124.0 252.0L128.3 254.5M126.6 253.5L128.2 253.2M126.6 253.5L127.1 255.0M124.0 252.0L124.0 257.0M124.0 255.0L125.0 256.2M124.0 255.0L123.0 256.2M124.0 252.0L119.7 254.5M121.4 253.5L120.9 255.0M121.4 253.5L119.8 253.2M124.0 252.0L119.7 249.5M121.4 250.5L119.8 250.8M121.4 250.5L120.9 249.0M296.0 424.8L296.0 418.8M296.0 421.2L294.8 419.7M296.0 421.2L297.2 419.7M296.0 424.8L301.2 421.8M299.1 423.0L299.8 421.2M299.1 423.0L301.0 423.3M296.0 424.8L301.2 427.8M299.1 426.6L301.0 426.3M299.1 426.6L299.8 428.4M296.0 424.8L296.0 430.8M296.0 428.4L297.2 429.9M296.0 428.4L294.8 429.9M296.0 424.8L290.8 427.8M292.9 426.6L292.2 428.4M292.9 426.6L291.0 426.3M296.0 424.8L290.8 421.8M292.9 423.0L291.0 423.3M292.9 423.0L292.2 421.2' fill='none' stroke='%232F62C8' stroke-opacity='.16' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
  --font: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  --narrow: 42rem;
  --wide: 60rem;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  /* 예전 이름. 같은 색을 가리킨다 */
  --ice: var(--sky);
  --berry: var(--ribbon-ink);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1520;
    --bg-top: #1c2945;
    --bg-mid: #121c2b;
    --bg-low: #0f1421;
    --card: #172030;
    --surface: rgb(23 32 48 / .82);
    --fg: #e6ecf5;
    --muted: #9aa7bc;
    --line: rgb(157 184 240 / .16);
    --edge: rgb(255 255 255 / .09);
    --accent: #7aa4f4;
    --accent-ink: #0f1520;
    --btn-ring: rgb(15 21 32 / .55);
    --syrup: #9db8f0;
    --sky: #1c2a45;
    --ribbon: #f38371;
    --ribbon-ink: #f38371;
    --shadow: 0 6px 16px rgb(0 0 0 / .3);
    --shadow-lift: 0 10px 26px rgb(0 0 0 / .42);
    --snow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='720' viewBox='0 0 400 720'%3E%3Cpath d='M40.0 129.6L40.0 120.6M40.0 124.2L38.1 122.0M40.0 124.2L41.9 122.0M40.0 129.6L47.8 125.1M44.7 126.9L45.7 124.2M44.7 126.9L47.5 127.4M40.0 129.6L47.8 134.1M44.7 132.3L47.5 131.8M44.7 132.3L45.7 135.0M40.0 129.6L40.0 138.6M40.0 135.0L41.9 137.2M40.0 135.0L38.1 137.2M40.0 129.6L32.2 134.1M35.3 132.3L34.3 135.0M35.3 132.3L32.5 131.8M40.0 129.6L32.2 125.1M35.3 126.9L32.5 127.4M35.3 126.9L34.3 124.2M336.0 100.8L336.0 93.8M336.0 96.6L334.6 94.9M336.0 96.6L337.4 94.9M336.0 100.8L342.1 97.3M339.6 98.7L340.4 96.6M339.6 98.7L341.8 99.1M336.0 100.8L342.1 104.3M339.6 102.9L341.8 102.5M339.6 102.9L340.4 105.0M336.0 100.8L336.0 107.8M336.0 105.0L337.4 106.7M336.0 105.0L334.6 106.7M336.0 100.8L329.9 104.3M332.4 102.9L331.6 105.0M332.4 102.9L330.2 102.5M336.0 100.8L329.9 97.3M332.4 98.7L330.2 99.1M332.4 98.7L331.6 96.6M212.0 216.0L212.0 210.0M212.0 212.4L210.8 210.9M212.0 212.4L213.2 210.9M212.0 216.0L217.2 213.0M215.1 214.2L215.8 212.4M215.1 214.2L217.0 214.5M212.0 216.0L217.2 219.0M215.1 217.8L217.0 217.5M215.1 217.8L215.8 219.6M212.0 216.0L212.0 222.0M212.0 219.6L213.2 221.1M212.0 219.6L210.8 221.1M212.0 216.0L206.8 219.0M208.9 217.8L208.2 219.6M208.9 217.8L207.0 217.5M212.0 216.0L206.8 213.0M208.9 214.2L207.0 214.5M208.9 214.2L208.2 212.4M60.0 352.8L60.0 344.8M60.0 348.0L58.4 346.0M60.0 348.0L61.6 346.0M60.0 352.8L66.9 348.8M64.2 350.4L65.0 348.0M64.2 350.4L66.7 350.8M60.0 352.8L66.9 356.8M64.2 355.2L66.7 354.8M64.2 355.2L65.0 357.6M60.0 352.8L60.0 360.8M60.0 357.6L61.6 359.6M60.0 357.6L58.4 359.6M60.0 352.8L53.1 356.8M55.8 355.2L55.0 357.6M55.8 355.2L53.3 354.8M60.0 352.8L53.1 348.8M55.8 350.4L53.3 350.8M55.8 350.4L55.0 348.0M356.0 324.0L356.0 314.0M356.0 318.0L353.9 315.6M356.0 318.0L358.1 315.6M356.0 324.0L364.7 319.0M361.2 321.0L362.3 318.0M361.2 321.0L364.3 321.6M356.0 324.0L364.7 329.0M361.2 327.0L364.3 326.4M361.2 327.0L362.3 330.0M356.0 324.0L356.0 334.0M356.0 330.0L358.1 332.4M356.0 330.0L353.9 332.4M356.0 324.0L347.3 329.0M350.8 327.0L349.7 330.0M350.8 327.0L347.7 326.4M356.0 324.0L347.3 319.0M350.8 321.0L347.7 321.6M350.8 321.0L349.7 318.0M184.0 475.2L184.0 468.2M184.0 471.0L182.6 469.3M184.0 471.0L185.4 469.3M184.0 475.2L190.1 471.7M187.6 473.1L188.4 471.0M187.6 473.1L189.8 473.5M184.0 475.2L190.1 478.7M187.6 477.3L189.8 476.9M187.6 477.3L188.4 479.4M184.0 475.2L184.0 482.2M184.0 479.4L185.4 481.1M184.0 479.4L182.6 481.1M184.0 475.2L177.9 478.7M180.4 477.3L179.6 479.4M180.4 477.3L178.2 476.9M184.0 475.2L177.9 471.7M180.4 473.1L178.2 473.5M180.4 473.1L179.6 471.0M324.0 540.0L324.0 532.0M324.0 535.2L322.4 533.2M324.0 535.2L325.6 533.2M324.0 540.0L330.9 536.0M328.2 537.6L329.0 535.2M328.2 537.6L330.7 538.0M324.0 540.0L330.9 544.0M328.2 542.4L330.7 542.0M328.2 542.4L329.0 544.8M324.0 540.0L324.0 548.0M324.0 544.8L325.6 546.8M324.0 544.8L322.4 546.8M324.0 540.0L317.1 544.0M319.8 542.4L319.0 544.8M319.8 542.4L317.3 542.0M324.0 540.0L317.1 536.0M319.8 537.6L317.3 538.0M319.8 537.6L319.0 535.2M40.0 612.0L40.0 606.0M40.0 608.4L38.8 606.9M40.0 608.4L41.2 606.9M40.0 612.0L45.2 609.0M43.1 610.2L43.8 608.4M43.1 610.2L45.0 610.5M40.0 612.0L45.2 615.0M43.1 613.8L45.0 613.5M43.1 613.8L43.8 615.6M40.0 612.0L40.0 618.0M40.0 615.6L41.2 617.1M40.0 615.6L38.8 617.1M40.0 612.0L34.8 615.0M36.9 613.8L36.2 615.6M36.9 613.8L35.0 613.5M40.0 612.0L34.8 609.0M36.9 610.2L35.0 610.5M36.9 610.2L36.2 608.4M256.0 676.8L256.0 667.8M256.0 671.4L254.1 669.2M256.0 671.4L257.9 669.2M256.0 676.8L263.8 672.3M260.7 674.1L261.7 671.4M260.7 674.1L263.5 674.6M256.0 676.8L263.8 681.3M260.7 679.5L263.5 679.0M260.7 679.5L261.7 682.2M256.0 676.8L256.0 685.8M256.0 682.2L257.9 684.4M256.0 682.2L254.1 684.4M256.0 676.8L248.2 681.3M251.3 679.5L250.3 682.2M251.3 679.5L248.5 679.0M256.0 676.8L248.2 672.3M251.3 674.1L248.5 674.6M251.3 674.1L250.3 671.4M124.0 252.0L124.0 247.0M124.0 249.0L123.0 247.8M124.0 249.0L125.0 247.8M124.0 252.0L128.3 249.5M126.6 250.5L127.1 249.0M126.6 250.5L128.2 250.8M124.0 252.0L128.3 254.5M126.6 253.5L128.2 253.2M126.6 253.5L127.1 255.0M124.0 252.0L124.0 257.0M124.0 255.0L125.0 256.2M124.0 255.0L123.0 256.2M124.0 252.0L119.7 254.5M121.4 253.5L120.9 255.0M121.4 253.5L119.8 253.2M124.0 252.0L119.7 249.5M121.4 250.5L119.8 250.8M121.4 250.5L120.9 249.0M296.0 424.8L296.0 418.8M296.0 421.2L294.8 419.7M296.0 421.2L297.2 419.7M296.0 424.8L301.2 421.8M299.1 423.0L299.8 421.2M299.1 423.0L301.0 423.3M296.0 424.8L301.2 427.8M299.1 426.6L301.0 426.3M299.1 426.6L299.8 428.4M296.0 424.8L296.0 430.8M296.0 428.4L297.2 429.9M296.0 428.4L294.8 429.9M296.0 424.8L290.8 427.8M292.9 426.6L292.2 428.4M292.9 426.6L291.0 426.3M296.0 424.8L290.8 421.8M292.9 423.0L291.0 423.3M292.9 423.0L292.2 421.2' fill='none' stroke='%237AA4F4' stroke-opacity='.2' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); }
body {
  margin: 0;
  background: transparent;
  color: var(--fg);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: anywhere;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
/* 앱의 홈 바탕: 화면에 붙어 있고 내용만 그 위로 지나간다 */
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: var(--snow) 0 0 / 400px 720px, linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 38%, var(--bg-low) 70%); }
main { flex: 1; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.3; letter-spacing: -.01em; text-wrap: balance; }
a { color: var(--accent); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; height: auto; display: block; }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .88em; background: var(--sky); padding: .08em .35em; border-radius: 6px; }
strong { font-weight: 700; }
.nb { white-space: nowrap; }

.skip { position: absolute; left: -999px; top: 0; background: var(--card); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: var(--gutter); top: .5rem; }

/* 머리 */
.top { min-height: 3.25rem; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg-top) 78%, transparent); backdrop-filter: saturate(1.5) blur(16px); -webkit-backdrop-filter: saturate(1.5) blur(16px); position: sticky; top: 0; z-index: 5; }
.top-in { max-width: var(--wide); margin: 0 auto; padding: .7rem var(--gutter-r) .7rem var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--fg); text-decoration: none; font-weight: 600; letter-spacing: .01em; }
.brand img { width: 28px; height: 28px; border-radius: 22.5%; flex: none; }
.tile { width: 14px; height: 22px; color: var(--accent); flex: none; transform: rotate(8deg); transition: transform .25s ease; }
.tile-pip { fill: var(--card); }
.brand:hover .tile { transform: rotate(22deg); }
.top nav { display: flex; gap: .25rem; }
.top nav a { color: var(--muted); text-decoration: none; padding: .3rem .7rem; border-radius: 999px; font-size: .95rem; font-weight: 500; }
.top nav a:hover { color: var(--fg); }
.top nav a[aria-current="page"] { color: var(--accent); background: var(--sky); }

/* 바닥 */
.bottom { border-top: 1px solid var(--line); margin-top: 5rem; color: var(--muted); font-size: .9rem; }
.bottom-in { max-width: var(--wide); margin: 0 auto; padding: 2rem var(--gutter-r) 2.5rem var(--gutter); display: grid; gap: .8rem; }
.bottom .links { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; }
.bottom a { color: var(--muted); }
.bottom a:hover { color: var(--fg); }

/* 공통 조각 */
.wrap { max-width: var(--wide); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.eyebrow { font-size: .8rem; letter-spacing: .08em; color: var(--accent); font-weight: 600; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 34rem; }
/* 단추: 앱의 "계속하기"처럼 파란 알약에 흰 안쪽 테두리. 보조 단추는 하늘빛 알약 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: .6rem 1.5rem; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; text-decoration: none; border: 2px solid var(--accent); box-shadow: inset 0 0 0 2px var(--btn-ring); cursor: pointer; }
.btn:hover { filter: brightness(1.07); }
.btn.ghost { background: var(--sky); color: var(--accent); border-color: transparent; box-shadow: none; }
.btn.ghost:hover { filter: none; border-color: var(--accent); }
.btn.off { background: var(--sky); color: var(--muted); border-color: transparent; box-shadow: none; cursor: default; }
.btn.off:hover { filter: none; }
.btn[disabled] { opacity: .6; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: .7rem; }

/* 유리 카드: 반투명 바탕 + 흰 테두리 + 파란 그림자 (앱의 게임칩) */
.card, .games li, .rel > li, .steps li, details, .notes li, .app, .toc a {
  background: var(--surface); border: 1px solid var(--edge); box-shadow: var(--shadow); }

section.block { padding-top: 4rem; }
section.block > h2 { font-size: 1.6rem; margin-bottom: 1.4rem; }
section.block > h2 + p { margin-top: -.6rem; margin-bottom: 1.4rem; color: var(--muted); max-width: 36rem; }

/* 빙수 소개: 머리 */
.hero { padding-top: 2.5rem; }
.hero-card { position: relative; overflow: hidden; border-radius: 28px; border: 1px solid var(--edge); background:
    linear-gradient(180deg, rgb(255 255 255 / .38) 0%, rgb(255 255 255 / .06) 35%, transparent 60%),
    linear-gradient(135deg, var(--sky) 0%, var(--card) 55%, color-mix(in srgb, var(--sky) 70%, transparent) 100%);
  box-shadow: var(--shadow-lift); padding: clamp(1.5rem, 5vw, 3.25rem); display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.hero-text { display: grid; gap: 1rem; min-width: 0; }
.hero h1 { font-size: clamp(2rem, 6.2vw, 3.2rem); line-height: 1.22; color: var(--syrup); letter-spacing: -.02em; }
.hero .name { font-size: 1.15rem; font-weight: 700; color: var(--accent); }
.hero .actions { margin-top: .5rem; }
.hero-icon { width: clamp(120px, 24vw, 220px); border-radius: 22.5%; box-shadow: 0 2px 4px rgb(0 0 0 / .08), 0 20px 44px rgb(47 98 200 / .3); }
.promise { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; }
.promise::before { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: var(--ribbon); flex: none; }

/* 따로 떨어진 페이지(Q&A, 패치노트)의 머리 */
.page-head { padding-top: 2.75rem; display: grid; gap: .5rem; }
.page-head h1 { font-size: clamp(1.8rem, 5.5vw, 2.3rem); color: var(--syrup); }
.page-head + .panel > :first-child { margin-top: 1.5rem; }

/* 주요 기능: 번호가 붙은 카드 */
.feats li { display: grid; gap: .35rem; }
.feats h3 { font-size: 1.08rem; }
.feats p { color: var(--muted); font-size: .97rem; }
.feats .fine { margin-top: 0; font-size: .88rem; }

/* 탭: 앱 일시정지 화면의 패드 종류 단추처럼. 고른 것은 파랑, 나머지는 하늘빛 */
.tabs { position: sticky; top: 3.25rem; z-index: 4; display: flex; gap: .4rem; margin: 2rem calc(-1 * var(--gutter-r)) 0 calc(-1 * var(--gutter)); padding: .55rem var(--gutter-r) .55rem var(--gutter); overflow-x: auto; scrollbar-width: none; background: color-mix(in srgb, var(--bg-mid) 80%, transparent); backdrop-filter: saturate(1.5) blur(16px); -webkit-backdrop-filter: saturate(1.5) blur(16px); border-bottom: 1px solid var(--line); }
.tabs::-webkit-scrollbar { display: none; }
.tabs a { flex: none; padding: .5rem .95rem; border-radius: 13px; text-decoration: none; background: var(--sky); color: var(--accent); font-weight: 600; white-space: nowrap; }
.tabs a:hover { filter: brightness(.97); }
.tabs a[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
.panel { padding-top: .5rem; scroll-margin-top: 7rem; }
.panel:focus { outline: none; }
.panel > h2 { font-size: 1.45rem; margin-top: 2.75rem; margin-bottom: 1.1rem; color: var(--syrup); }
.panel > h2:first-child, .panel > .sub:first-child { margin-top: 2rem; }
.panel .sub { color: var(--muted); max-width: 40rem; margin-bottom: 1rem; }
.panel > h2 + .sub { margin-top: -.5rem; }
.panel .steps, .panel .notes { max-width: 44rem; }
.panel .steps + .notes { margin-top: .9rem; }
.panel .more { margin-top: 2.25rem; }
.panel .contact { margin-top: 2.5rem; }
.contact.plain { background: transparent; border: 1px solid var(--line); margin-top: 1rem !important; }
.fine { font-size: .88rem; color: var(--muted); max-width: 40rem; }
.panel .fine { margin-top: .9rem; }
html:not(.tabs-on) .panel + .panel { border-top: 1px solid var(--line); margin-top: 3rem; }

/* 확인한 게임 */
.games { list-style: none; padding: 0; margin: 0 0 1.1rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; max-width: 52rem; }
.games li { border-radius: 18px; padding: .95rem 1.1rem; display: grid; gap: .25rem; align-content: start; }
.g-head { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .6rem; }
.g-name { font-weight: 700; font-size: 1.05rem; }
.chip { font-size: .78rem; font-weight: 600; color: var(--accent); background: var(--sky); border-radius: 999px; padding: .1rem .6rem; white-space: nowrap; }
.g-how { color: var(--muted); font-size: .95rem; }
.g-note { font-size: .9rem; }

/* 패치노트 */
.rel { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; max-width: 44rem; }
.rel > li { border-radius: 18px; padding: 1rem 1.1rem 1.1rem; display: grid; gap: .5rem; scroll-margin-top: 8rem; }
.rel-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .7rem; }
.rel-build { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.rel-meta { font-size: .88rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.rel h3 { font-size: 1.12rem; }
.rel-items { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.rel-items li { display: grid; grid-template-columns: auto 1fr; gap: .6rem; align-items: baseline; font-size: .97rem; }
.rel-kind { font-size: .75rem; font-weight: 600; border-radius: 7px; padding: .05rem .45rem; background: var(--sky); color: var(--accent); white-space: nowrap; }
.rel-kind[data-kind="수정"] { color: var(--ribbon-ink); background: color-mix(in srgb, var(--ribbon) 16%, transparent); }
.rel-kind[data-kind="변경"], .rel-kind[data-kind="알림"] { color: var(--muted); background: transparent; box-shadow: inset 0 0 0 1px var(--line); }

/* 화면 사진 */
.shots { display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory; padding: .25rem var(--gutter-r) 1.25rem var(--gutter); margin: 0 calc(-1 * var(--gutter-r)) 0 calc(-1 * var(--gutter)); align-items: center; }
.shot { flex: none; scroll-snap-align: center; margin: 0; display: grid; gap: .6rem; justify-items: center; }
.shot img { border-radius: 22px; border: 1px solid var(--edge); box-shadow: var(--shadow-lift); background: var(--card); }
.shot.tall img { height: 24rem; width: auto; }
.shot.wide img { width: min(84vw, 34rem); height: auto; }
.shot figcaption { font-size: .88rem; color: var(--muted); text-align: center; max-width: 16rem; }

/* 기능 카드 */
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.card { border-radius: 20px; padding: 1.3rem 1.4rem; display: grid; gap: .45rem; align-content: start; }
.card h3 { font-size: 1.12rem; }
.card p { color: var(--muted); font-size: .97rem; }

/* 줄맞춘 목록 (게임 종류, 처리방침 표) */
.rows { display: grid; border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 13rem 1fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.row > * { min-width: 0; }
.row dt { font-weight: 600; }
.row dd { color: var(--muted); }
.row dd b { color: var(--fg); font-weight: 600; }
.rows.tight .row { grid-template-columns: 9.5rem 1fr; }
.rows.tight .row dd { color: var(--fg); }

/* 알아 둘 것 */
.notes { display: grid; gap: .7rem; padding: 0; list-style: none; max-width: 44rem; }
.notes li { border-left: 3px solid var(--accent); border-radius: 12px; padding: .8rem 1rem; }
.notes li b { font-weight: 600; }

/* 접는 질문 */
.faq { display: grid; gap: .6rem; max-width: 44rem; }
details { border-radius: 14px; }
summary { cursor: pointer; padding: .85rem 1.1rem; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.25rem; line-height: 1; flex: none; transition: transform .2s ease; }
details[open] > summary::after { transform: rotate(45deg); }
details > :not(summary) { padding: 0 1.1rem; }
details > :not(summary):last-child { padding-bottom: 1rem; }
details p + p, details ul + p, details p + ul { margin-top: .6rem; }

/* 연락 */
.contact { background: var(--sky); border-radius: 22px; padding: clamp(1.4rem, 4vw, 2.2rem); display: grid; gap: .8rem; max-width: 44rem; }
.contact h2 { font-size: 1.3rem; color: var(--syrup); }
.contact .mail { font-size: 1.15rem; font-weight: 600; }
.contact .fine { margin-top: 0; }

/* Q&A 댓글 게시판: 맨 위에 쓰는 칸, 아래로 댓글과 답글 */
.qna { max-width: 44rem; display: grid; gap: .9rem; }
.qna-count { font-weight: 700; font-size: 1.05rem; color: var(--syrup); }
.qna-count span { color: var(--accent); }
.qna-form, .qna-replyform { display: grid; gap: .6rem; background: var(--surface); border: 1px solid var(--edge); box-shadow: var(--shadow); border-radius: 18px; padding: .8rem; }
html:not(.js) .qna-form, .qna[data-off] .qna-form, .qna[data-off] .qna-rule, .qna[data-off] .qna-count { display: none; }
.qna textarea, .qna input[type="text"], .qna input[type="password"] { font: inherit; font-size: 1rem; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: .6rem .8rem; width: 100%; min-width: 0; }
.qna textarea { resize: vertical; min-height: 4.6rem; line-height: 1.6; display: block; }
.qna ::placeholder { color: var(--muted); opacity: .85; }
.qna-kinds { display: flex; flex-wrap: wrap; gap: .35rem; }
.qna-kinds input { position: absolute; opacity: 0; pointer-events: none; }
.qna-kinds span { display: inline-block; font-size: .85rem; font-weight: 600; color: var(--muted); background: transparent; box-shadow: inset 0 0 0 1px var(--line); border-radius: 999px; padding: .2rem .7rem; cursor: pointer; }
.qna-kinds input:checked + span { color: var(--accent); background: var(--sky); box-shadow: none; }
.qna-kinds input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.qna-row { display: flex; gap: .5rem; align-items: center; }
.qna-row input { flex: 1; }
.qna-row .btn { min-height: 2.6rem; padding: .4rem 1.2rem; flex: none; }
.qna-as { display: none; flex: 1; font-size: .9rem; font-weight: 600; color: var(--accent); }
.qna-admin-on input[name="name"] { display: none; }
.qna-admin-on .qna-as, .qna-replyform .qna-as { display: block; }
.qna-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.qna-msg { font-size: .9rem; font-weight: 600; color: var(--accent); }
.qna-msg[data-bad] { color: var(--ribbon-ink); }
.qna .fine { margin-top: 0; }
.qna-state { color: var(--muted); font-size: .95rem; padding: .6rem 0; }
.qna-list, .qna-replies { list-style: none; padding: 0; margin: 0; display: grid; }
.qna-list > .qna-item { padding: 1rem 0; border-top: 1px solid var(--line); }
.qna-list > .qna-item:first-child { border-top: 0; padding-top: .3rem; }
.qna-item[data-hidden] > .qna-main { opacity: .5; }
.qna-main { display: grid; grid-template-columns: auto 1fr; gap: .7rem; align-items: start; }
.qna-avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .95rem; color: var(--syrup); background: var(--sky); flex: none; }
img.qna-avatar { border-radius: 22.5%; }
.qna-avatar.a1 { background: color-mix(in srgb, var(--ribbon) 22%, var(--card)); color: var(--ribbon-ink); }
.qna-avatar.a2 { background: color-mix(in srgb, var(--accent) 22%, var(--card)); }
.qna-avatar.a3 { background: color-mix(in srgb, #3aa37a 24%, var(--card)); }
.qna-avatar.a4 { background: color-mix(in srgb, #c79a2b 26%, var(--card)); }
.qna-avatar.a5 { background: color-mix(in srgb, #8a63d2 22%, var(--card)); }
.qna-text { min-width: 0; display: grid; gap: .2rem; }
.qna-head { display: flex; flex-wrap: wrap; align-items: center; gap: .15rem .5rem; font-size: .85rem; color: var(--muted); }
.qna-name { font-weight: 700; font-size: .95rem; color: var(--fg); }
.qna-dev { font-size: .72rem; font-weight: 700; color: var(--accent-ink); background: var(--accent); border-radius: 999px; padding: .05rem .5rem; }
.qna-hidden { font-weight: 600; color: var(--ribbon-ink); }
.qna-body { white-space: pre-wrap; }
.qna-acts { display: flex; flex-wrap: wrap; gap: .1rem .9rem; margin-top: .15rem; }
.qna-acts button, .qna-cancel { font: inherit; font-size: .85rem; font-weight: 600; color: var(--muted); background: none; border: 0; padding: .2rem 0; cursor: pointer; }
.qna-acts button:hover, .qna-cancel:hover { color: var(--accent); }
.qna-acts .qna-danger { color: var(--ribbon-ink); }
.qna-cancel { padding: .2rem .5rem; flex: none; }
.qna-replies { margin: 0 0 0 calc(36px + .7rem); }
.qna-replies:not(:empty) { margin-top: .8rem; padding-left: .9rem; border-left: 2px solid var(--line); gap: .8rem; }
.qna-reply .qna-avatar { width: 28px; height: 28px; font-size: .8rem; }
.qna-replyform { margin: .8rem 0 0 calc(36px + .7rem); }
.qna-more { display: flex; justify-content: center; }
.qna-more[hidden] { display: none; }
.qna-admin { display: grid; gap: .4rem; background: var(--sky); border-radius: 14px; padding: .7rem .8rem; }
.qna-admin[hidden] { display: none; }
.qna-admin-row { display: flex; gap: .5rem; align-items: center; }
.qna-admin input { flex: 1; }
.qna-admin .qna-msg { font-weight: 500; color: var(--muted); }
.qna-admin .qna-msg[data-bad] { color: var(--ribbon-ink); font-weight: 600; }
.qna-as-on { flex: 1; font-size: .9rem; font-weight: 700; color: var(--accent); }
.qna-admin button { font: inherit; font-size: .85rem; font-weight: 600; color: var(--accent); background: var(--card); border: 0; border-radius: 9px; padding: .4rem .8rem; cursor: pointer; }

/* 문서 (안내, 처리방침) */
.doc { max-width: var(--narrow); margin: 0 auto; padding: 3rem var(--gutter-r) 0 var(--gutter); }
.doc-head { display: grid; gap: .5rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--line); }
.doc-head h1 { font-size: clamp(1.8rem, 5.5vw, 2.3rem); color: var(--syrup); }
.meta { color: var(--muted); font-size: .9rem; }
.doc h2 { font-size: 1.35rem; margin-top: 2.75rem; margin-bottom: .8rem; scroll-margin-top: 4.5rem; color: var(--syrup); }
.doc h3 { font-size: 1.1rem; margin-top: 1.6rem; margin-bottom: .4rem; }
.doc p + p, .doc ul + p, .doc ol + p, .doc p + ul, .doc p + ol, .doc p + dl, .doc dl + p, .doc p + details, .doc details + p, .doc details + details, .doc ul + details { margin-top: .8rem; }
.doc ul, .doc ol { padding-left: 1.25rem; display: grid; gap: .4rem; }
.doc li > ul { margin-top: .4rem; }
.summary { margin-top: 2rem; background: var(--sky); border-radius: 16px; padding: 1.1rem 1.25rem; }
.steps { list-style: none; padding: 0 !important; counter-reset: step; display: grid; gap: .7rem; }
.steps li { counter-increment: step; border-radius: 16px; padding: .85rem 1rem .85rem 3.3rem; position: relative; }
.steps li::before { content: counter(step); position: absolute; left: 1rem; top: .85rem; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-size: .9rem; font-weight: 700; }
.doc .toc { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0 !important; list-style: none; }
.toc a { display: inline-block; padding: .25rem .8rem; border-radius: 999px; text-decoration: none; font-size: .92rem; font-weight: 500; box-shadow: none; border-color: var(--line); }
.toc a:hover { border-color: var(--accent); }

/* 처음 화면 */
.home { max-width: var(--narrow); margin: 0 auto; padding: clamp(3rem, 10vw, 6rem) var(--gutter-r) 0 var(--gutter); display: grid; gap: 3rem; }
.home-hello { display: grid; gap: .8rem; }
.home-hello h1 { font-size: clamp(2.3rem, 9vw, 3.6rem); color: var(--syrup); letter-spacing: -.02em; }
.home h2 { font-size: .85rem; letter-spacing: .08em; color: var(--muted); font-weight: 600; margin-bottom: .9rem; }
.app { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; align-items: center; border-radius: 22px; padding: 1.1rem 1.25rem; text-decoration: none; color: var(--fg); transition: transform .2s ease, box-shadow .2s ease; }
.app:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.app img { width: 76px; border-radius: 22.5%; }
.app h3 { font-size: 1.3rem; }
.app p { color: var(--muted); font-size: .97rem; }
.app .state { font-size: .8rem; color: var(--accent); font-weight: 600; letter-spacing: .04em; }

@media (max-width: 640px) {
  .hero-card { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .games { grid-template-columns: 1fr; }
  .shot.tall img { height: 19rem; }
  .shot img { border-radius: 16px; }
  .tabs a { padding: .45rem .8rem; }
  .top nav { gap: 0; }
  .top nav a { padding: .3rem .5rem; font-size: .92rem; }
  .hero-icon { order: -1; width: 104px; }
  .row, .rows.tight .row { grid-template-columns: 1fr; gap: .15rem; }
  section.block { padding-top: 3.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}