/* 🧻 와트만지(수채 종이) 결 — y-life 「365 생각칼럼」 읽기 화면에서 **그대로** 가져왔다.
   원본 : yeon-life/어린이의_결_초등_월간/365_생각칼럼/_shared/sg-washi-root.css
   ⛔ 손으로 고치지 마라. 색 팔레트는 서재 것을 쓰므로 **종이 결 변수만** 옮겨 왔다.
   ⭐ 이미지 파일 0개 — SVG 잡음으로 그려서 어느 크기로 늘려도 안 깨진다. */
:root{
  --paper:#fff;                          /* 지면 바탕(위에 크림을 얹는다) */
  --ink:var(--yeon-deep-green-black);    /* 본문 */
  --ink2:var(--yeon-dark-gray-purple);   /* 보조 */
  --line:var(--yeon-medium-gray);        /* 얇은 선 */
  --rule:var(--yeon-tan-camel);          /* 괘선 · 장식 */
  --soft:var(--yeon-sage-green);         /* 부드러운 바탕 */
  --deep:var(--yeon-deep-green-black);   /* 차례판·상단바 */
  --serif:"Noto Serif KR","Nanum Myeongjo","바탕",Batang,serif;
  --cream:linear-gradient(rgba(212,205,193,.26),rgba(212,205,193,.26));
  /* 🧻 **와트만지(수채 종이) 결** — 2026-08-22 연소사 :
        *"인연카드 같이 배경을 와트만지로 … 네 귀퉁이가 자연스럽게 종이의 살아 있는 끝"*
     ⛔ 사진 파일을 받아 쓰지 않는다 — 153장에 붙으면 무겁고 인쇄에서 뭉갠다.
        **SVG 잡음**으로 그린다 (파일 0개 · 어느 크기로 늘려도 안 깨진다)
     ⭐ `stitchTiles='stitch'` 가 있어야 타일 이음매가 안 보인다 */
  --fiber:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='f' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='4' seed='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23f)' opacity='0.055'/%3E%3C/svg%3E");
  --fiber:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='f' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='4' seed='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23f)' opacity='0.055'/%3E%3C/svg%3E");
  --mottle:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='320' height='320'%3E%3Cfilter id='m' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.028' numOctaves='3' seed='9' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='320' height='320' filter='url(%23m)' opacity='0.042'/%3E%3C/svg%3E");
  /* 🌘 가장자리 그늘 — 마스크가 바깥 그림자를 잘라 내므로 **안쪽에서** 두께를 낸다 */
  --edge:linear-gradient(to bottom,rgba(42,46,44,.10),transparent 4%,
                         transparent 96%,rgba(42,46,44,.10)),
         linear-gradient(to right,rgba(42,46,44,.075),transparent 3%,
                         transparent 97%,rgba(42,46,44,.075));
  --edge:linear-gradient(to bottom,rgba(42,46,44,.10),transparent 4%,
                         transparent 96%,rgba(42,46,44,.10)),
         linear-gradient(to right,rgba(42,46,44,.075),transparent 3%,
                         transparent 97%,rgba(42,46,44,.075));
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  --shade:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='450' height='450' viewBox='0 0 450 450'%3E%3Cfilter id='b' x='-25%25' y='-25%25' width='150%25' height='150%25'%3E%3CfeGaussianBlur stdDeviation='7'/%3E%3C/filter%3E%3Cpath d='M16.0 16.0 L26.0 16.0 L36.0 15.7 L46.0 15.1 L56.0 13.5 L66.0 13.4 L76.0 15.6 L86.0 16.8 L96.0 14.6 L106.0 15.3 L116.0 17.0 L126.0 18.0 L136.0 17.9 L146.0 18.5 L156.0 18.1 L166.0 17.5 L176.0 16.3 L186.0 14.7 L196.0 14.2 L206.0 12.4 L216.0 13.2 L226.0 15.6 L236.0 16.8 L246.0 14.6 L256.0 15.3 L266.0 17.0 L276.0 18.0 L286.0 17.9 L296.0 18.5 L306.0 18.1 L316.0 17.5 L326.0 16.3 L336.0 14.7 L346.0 14.2 L356.0 12.4 L366.0 13.2 L376.0 15.6 L386.0 16.7 L396.0 15.0 L406.0 15.7 L416.0 16.2 L426.0 16.1 L434.0 16.0 L433.7 26.0 L434.0 36.0 L434.8 46.0 L435.7 56.0 L438.0 66.0 L438.9 76.0 L437.6 86.0 L434.4 96.0 L434.5 106.0 L434.5 116.0 L433.4 126.0 L432.7 136.0 L431.1 146.0 L429.6 156.0 L429.1 166.0 L430.0 176.0 L433.9 186.0 L435.6 196.0 L436.4 206.0 L438.4 216.0 L438.9 226.0 L437.6 236.0 L434.4 246.0 L434.5 256.0 L434.5 266.0 L433.4 276.0 L432.7 286.0 L431.1 296.0 L429.6 306.0 L429.1 316.0 L430.0 326.0 L433.9 336.0 L435.6 346.0 L436.4 356.0 L438.4 366.0 L438.8 376.0 L437.1 386.0 L434.2 396.0 L434.2 406.0 L434.1 416.0 L434.0 426.0 L434.0 434.0 L426.0 433.9 L416.0 433.6 L406.0 433.8 L396.0 432.9 L386.0 434.4 L376.0 434.7 L366.0 433.6 L356.0 434.1 L346.0 435.6 L336.0 438.0 L326.0 437.7 L316.0 435.2 L306.0 432.3 L296.0 432.3 L286.0 432.2 L276.0 431.7 L266.0 432.2 L256.0 433.6 L246.0 432.3 L236.0 434.5 L226.0 434.7 L216.0 433.6 L206.0 434.1 L196.0 435.6 L186.0 438.0 L176.0 437.7 L166.0 435.2 L156.0 432.3 L146.0 432.3 L136.0 432.2 L126.0 431.7 L116.0 432.2 L106.0 433.6 L96.0 432.3 L86.0 434.5 L76.0 434.7 L66.0 433.7 L56.0 434.1 L46.0 434.8 L36.0 435.0 L26.0 434.3 L16.0 434.0 L16.1 426.0 L16.3 416.0 L16.2 406.0 L16.5 396.0 L17.7 386.0 L19.6 376.0 L17.1 366.0 L15.4 356.0 L14.7 346.0 L13.7 336.0 L10.8 326.0 L11.5 316.0 L12.9 306.0 L16.3 296.0 L20.0 286.0 L19.1 276.0 L17.6 266.0 L16.5 256.0 L16.8 246.0 L18.0 236.0 L19.7 226.0 L17.1 216.0 L15.4 206.0 L14.7 196.0 L13.7 186.0 L10.8 176.0 L11.5 166.0 L12.9 156.0 L16.3 146.0 L20.0 136.0 L19.1 126.0 L17.6 116.0 L16.5 106.0 L16.8 96.0 L18.0 86.0 L19.7 76.0 L17.0 66.0 L15.6 56.0 L15.4 46.0 L15.4 36.0 L15.6 26.0 L16.0 16.0 Z M50.0 50.0 L400.0 50.0 L400.0 400.0 L50.0 400.0 Z' filter='url(%23b)' fill-rule='evenodd' fill='%23fff'/%3E%3C/svg%3E");
  --tooth:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='t' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.135' numOctaves='3' seed='3' stitchTiles='stitch' result='n'/%3E%3CfeDiffuseLighting in='n' lighting-color='%23ffffff' surfaceScale='1.2' diffuseConstant='1'%3E%3CfeDistantLight azimuth='235' elevation='34'/%3E%3C/feDiffuseLighting%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23t)' opacity='0.21'/%3E%3C/svg%3E");
  --fine:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='t' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='3' seed='11' stitchTiles='stitch' result='n'/%3E%3CfeDiffuseLighting in='n' lighting-color='%23ffffff' surfaceScale='0.55' diffuseConstant='1'%3E%3CfeDistantLight azimuth='235' elevation='60'/%3E%3C/feDiffuseLighting%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23t)' opacity='0.11'/%3E%3C/svg%3E");
  --washi:var(--edge),var(--fine),var(--tooth),var(--mottle),
         linear-gradient(rgba(212,205,193,.11),rgba(212,205,193,.11));
  /* 책상 바닥(종이 뒤 배경) — 원본 --bg = 웜 베이지 */
  --desk:#d4cdc1;
}

/* 📄 종이 한 장 — 네 귀퉁이가 살아 있는 와트만지 (원본 .paper 규칙 그대로) */
.washi{position:relative;
  background:var(--fine),var(--tooth),var(--mottle),
             linear-gradient(rgba(212,205,193,.11),rgba(212,205,193,.11)),var(--paper);
  -webkit-mask-box-image:var(--deck) 150 stretch;mask-border:var(--deck) 150 stretch;
  -webkit-mask-box-image-width:150px;mask-border-width:150px}
.washi::before{content:'';position:absolute;inset:-14px -12px -16px;z-index:-1;pointer-events:none;
  background:rgba(42,46,44,.085);
  -webkit-mask-box-image:var(--shade) 150 stretch;mask-border:var(--shade) 150 stretch;
  -webkit-mask-box-image-width:150px;mask-border-width:150px}

/* 책상 바닥 */
body.deskbg{background:var(--mottle),linear-gradient(rgba(42,46,44,.085),rgba(42,46,44,.085)),var(--desk)}

@media print{
  .washi{-webkit-mask-box-image:none!important;mask-border:none!important;background:#fff!important}
  .washi::before{display:none!important}
  body.deskbg{background:#fff!important}
}