:root{--ink:#171815;--paper:#f1eee6;--paper2:#e7e1d4;--red:#8f2e25;--gold:#b89b68;--muted:#77746c;--line:rgba(23,24,21,.15)}
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p{color:var(--muted);font-size:13px}.content-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.content-card{height:440px;padding:28px;position:relative;overflow:hidden;display:flex;align-items:flex-end;color:#eee}.content-card.dark{background:#22231f}.content-card.red{background:var(--red)}.content-card.photo:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 25%,rgba(0,0,0,.8))}.content-card.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.7)}.content-card .card-no{position:absolute;top:28px;left:28px;font:12px 'Gowun Batang';z-index:2}.content-card div{position:relative;z-index:2}.content-card div p{font-size:10px;letter-spacing:.18em;color:#c9b891}.content-card h3{font:400 30px 'Gowun Batang';margin:8px 0 12px}.content-card div span{font-size:12px;color:#b7b5ae}.content-card>b{position:absolute;right:-14px;top:35px;font:150px 'Gowun Batang';opacity:.07}.closing{text-align:center;padding:150px 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@media(max-width:900px){.site-header{height:70px;padding:0 22px}.menu-toggle{display:block;width:36px;height:36px;position:relative;z-index:3}.menu-toggle span{display:block;height:1px;width:23px;background:var(--ink);margin:7px}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}nav{display:none;position:fixed;inset:0;background:var(--paper);padding:120px 30px;flex-direction:column}nav.open{display:flex}nav a{font:28px 'Gowun Batang'}.hero{padding:110px 22px 65px;grid-template-columns:1fr;gap:55px}.hero-copy{padding-top:20px}.hero h1{font-size:43px}.hero-intro br{display:none}.hero-frame{height:540px}.hero-stamp{left:14px;bottom:-35px}.scroll-cue{display:none}.numbers{grid-template-columns:1fr 1fr;padding:25px 10px}.numbers>div{padding:25px 18px}.numbers>div:nth-child(2){border:0}.section-paper,.section-ink{padding:90px 24px}.section-label{margin-bottom:45px}.story-grid,.book-layout{grid-template-columns:1fr;gap:45px}.story h2,.principles h2,.book h2,.routine h2,.contents h2{font-size:39px}.principle{grid-template-columns:42px 1fr;padding:28px 0}.principle .symbol{display:none}.book-art{min-height:480px}.routine{grid-template-columns:1fr}.routine-image{height:520px}.routine-copy{padding:80px 25px}.routine-side{height:260px}.contents-head{display:block}.content-cards{grid-template-columns:1fr}.content-card{height:330px}.closing{padding:100px 22px}.closing-line>span{width:30px}footer{grid-template-columns:1fr;text-align:center;gap:22px}footer .brand{justify-content:center}footer p:nth-child(2),footer p:last-child{text-align:center}}
@media(max-width:480px){.hero h1{font-size:36px}.hero-actions{align-items:flex-start;flex-direction:column;gap:22px}.hero-frame{height:440px}.numbers strong{font-size:27px}.numbers p{font-size:10px;line-height:1.5}.book-cover{width:255px;height:370px}.book-cover h3{font-size:27px;margin-top:48px}.book-art{min-height:420px}.routine-image{height:420px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}

/* Business consultation bridge */
.business-bridge{background:#e7e1d4;border-top:1px solid var(--line)}
.business-bridge h2{font:400 clamp(38px,4.4vw,64px)/1.25 'Gowun Batang',serif;letter-spacing:-.06em;margin:22px 0}
.business-bridge h2 i{font-style:normal;color:var(--red)}
.business-bridge-grid{display:grid;grid-template-columns:1fr 1fr;gap:10vw;align-items:center}
.business-bridge-copy>p{font:17px/2 'Gowun Batang';color:#59574f;margin:0 0 30px}
.business-bridge-points{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:35px}
.business-bridge-points span{padding:10px 14px;border:1px solid var(--line);font-size:11px;color:#625d54}
.business-bridge .button{display:inline-flex}
@media(max-width:900px){.business-bridge-grid{grid-template-columns:1fr;gap:30px}.business-bridge h2{font-size:39px}}

/* Readability: principle descriptions */
.principle p{font-size:16px;font-weight:400;color:#c5c1b8;line-height:1.9;letter-spacing:-.015em;max-width:800px}
@media(max-width:900px){.principle p{font-size:15px}}

/* Books: official covers */
.book-layout{grid-template-columns:1.08fr .92fr;gap:7vw;max-width:1360px}
.book-art.books-display{display:flex;align-items:flex-end;justify-content:center;gap:28px;min-height:630px;padding:30px 0}
.book-volume{width:min(47%,270px);position:relative;z-index:2}
.book-volume-second{transform:translateY(36px)}
.book-image-link{display:block;background:#fff;box-shadow:18px 22px 35px rgba(36,30,21,.2);transition:transform .3s ease,box-shadow .3s ease}
.book-image-link img{display:block;width:100%;height:auto;aspect-ratio:458/682;object-fit:cover}

/* Routine: portrait, story and premium bicycle share one editorial composition. */
.routine{min-height:0;grid-template-columns:minmax(360px,.78fr) minmax(0,1.22fr);grid-template-rows:auto auto;background:#24241f}
.routine-image{grid-column:1;grid-row:1 / span 2;min-height:clamp(760px,52vw,980px);position:relative;background:#171714}
.routine-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 72%,rgba(36,36,31,.3)),linear-gradient(0deg,rgba(0,0,0,.15),transparent 35%);pointer-events:none}
.routine-image img{object-position:52% 43%;filter:grayscale(.78) contrast(1.05) brightness(.88)}
.routine-copy{grid-column:2;grid-row:1;padding:clamp(62px,6vw,108px) clamp(42px,6vw,104px) clamp(48px,4vw,72px);justify-content:center;background:radial-gradient(circle at 82% 18%,rgba(183,141,72,.08),transparent 32%),#2c2b26}
.routine-copy .section-label{margin-bottom:clamp(30px,3vw,50px)}
.routine-copy h2{font-size:clamp(42px,4.25vw,68px);line-height:1.28;margin:24px 0 28px}
.routine-copy>p:not(.kicker){max-width:720px;font-size:clamp(14px,1vw,16px);line-height:2.05}
.routine-side{grid-column:2;grid-row:2;position:relative;aspect-ratio:1382/655;margin:0;overflow:hidden;background:#161713;border-top:1px solid rgba(255,255,255,.1)}
.routine-side img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.82) contrast(1.08) brightness(.88)}
.routine-side:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.36),transparent 38%),linear-gradient(0deg,rgba(0,0,0,.5),transparent 48%);pointer-events:none}
.routine-side figcaption{position:absolute;z-index:2;left:clamp(24px,4vw,64px);bottom:clamp(20px,3vw,46px);display:flex;flex-direction:column;gap:7px;color:#f0ece2;text-shadow:0 2px 14px rgba(0,0,0,.65)}
.routine-side figcaption span{font-size:10px;letter-spacing:.25em;color:#d2aa63;font-weight:700}
.routine-side figcaption strong{font:400 clamp(17px,1.5vw,25px)/1.4 'Gowun Batang',serif}

@media(max-width:900px){
  .routine{grid-template-columns:1fr;grid-template-rows:auto}
  .routine-image,.routine-copy,.routine-side{grid-column:1;grid-row:auto}
  .routine-image{height:min(118vw,680px);min-height:0}
  .routine-image:after{background:linear-gradient(0deg,rgba(36,36,31,.4),transparent 28%)}
  .routine-copy{padding:72px clamp(24px,7vw,56px)}
  .routine-copy h2{font-size:clamp(38px,7.4vw,54px)}
  .routine-side{width:100%;height:auto;aspect-ratio:1382/655}
  .routine-side figcaption{left:24px;bottom:20px}
}

@media(max-width:480px){
  .routine-image{height:118vw;max-height:520px}
  .routine-copy{padding:62px 24px 68px}
  .routine-copy h2{font-size:36px}
  .routine-copy>p:not(.kicker){font-size:14px;line-height:1.95}
  .routine-side figcaption{left:18px;bottom:14px;gap:3px}
  .routine-side figcaption span{font-size:8px}
  .routine-side figcaption strong{font-size:15px}
}
.book-meta{display:flex;align-items:center;gap:8px;margin-top:22px;padding-top:13px;border-top:1px solid var(--line)}
.book-meta>span{font-size:10px;letter-spacing:.18em;color:var(--red);font-weight:700}
@media(max-width:900px){.book-layout{grid-template-columns:1fr;gap:45px}.book-art.books-display{min-height:auto;padding:10px 0 60px;gap:16px}.book-volume{width:min(46%,225px)}.book-volume-second{transform:translateY(28px)}.book-meta{align-items:flex-start;flex-direction:column;margin-top:16px}}
.content-card{text-decoration:none}
.content-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.content-card,.content-card:nth-child(n+4){grid-column:auto}
.content-card.paper{background:#ded6c7;color:var(--ink)}
.content-card.paper div p,.content-card.paper div span{color:#6f5548}
.content-card.gold{background:#6f5a3c}
@media(max-width:900px){.content-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.content-card,.content-card:nth-child(n+4){grid-column:auto}}
@media(max-width:600px){.content-cards{grid-template-columns:1fr}}
.site-header .admin-link{color:var(--muted)}.site-header .admin-link:after{background:var(--muted)}