/* 색은 책 표지에서: 짙은 초록·주황·크림 */
:root{
  --green:#1b4741; --green-deep:#12332f; --orange:#e9824a; --orange-deep:#c9602b; --cream:#fbf1cf;
  --ink:#17211f; --muted:#5b6763; --line:#dfe4de; --bg:#ffffff; --panel:#ffffff; --soft:#f3f6f3;
  --hero-bg:var(--bg); --hero-ink:var(--ink); --hero-muted:var(--muted); --hero-line:var(--line); --hero-panel:var(--panel);
  --hero-no:var(--green); --band-bg:var(--green-deep); --band-ink:#f4efe0;
  --r:18px; --shadow:0 1px 2px rgba(18,51,47,.06),0 10px 30px -12px rgba(18,51,47,.18);
}
/* C 짙은 초록 첫 화면 */
[data-theme="c"]{--bg:#faf8f1; --panel:#ffffff; --soft:#f1eee2; --line:#e4e0d2;
  --hero-bg:var(--green-deep); --hero-ink:#fbf6e6; --hero-muted:#b9cbc5; --hero-line:rgba(255,255,255,.14); --hero-panel:rgba(255,255,255,.06); --hero-no:#ffd9a8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 "Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;word-break:keep-all;-webkit-font-smoothing:antialiased}
a{color:var(--green)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:20}
.skip:focus{left:12px}

/* 머리 */
header.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--hero-bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--hero-line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--hero-ink);text-decoration:none;letter-spacing:-.02em;font-size:16px}
.logo i{width:22px;height:22px;border-radius:50% 50% 50% 4px;background:var(--orange);display:block;flex:none}
nav{display:flex;align-items:center;gap:4px}
nav a{color:var(--hero-muted);text-decoration:none;font-size:15px;font-weight:500;padding:8px 12px;border-radius:999px;white-space:nowrap}
nav a:hover{color:var(--hero-ink);background:var(--hero-panel)}
nav a.cta{color:#fff;background:var(--orange);font-weight:700;margin-left:6px}
nav a.cta:hover{background:var(--orange-deep);color:#fff}
@media (max-width:760px){nav a:not(.cta){display:none}}

/* 첫 화면 */
.hero{background:var(--hero-bg);color:var(--hero-ink);border-bottom:1px solid var(--hero-line)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:76px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:48px}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--orange)}
.kicker:before{content:"";width:22px;height:2px;background:currentColor}
.hero h1{font-size:clamp(34px,5.6vw,60px);line-height:1.14;margin:18px 0 20px;letter-spacing:-.04em;font-weight:800}
.hero h1 em{font-style:normal;color:var(--orange)}
.lead{font-size:clamp(17px,1.7vw,19px);color:var(--hero-muted);max-width:560px;margin:0}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:16px;padding:13px 20px;border-radius:999px;border:1px solid transparent}
.btn.fill{background:var(--orange);color:#fff}
.btn.fill:hover{background:var(--orange-deep)}
.btn.line{color:var(--hero-ink);border-color:var(--hero-line);background:var(--hero-panel)}
.btn.line:hover{border-color:currentColor}

.dial{background:var(--hero-panel);border:1px solid var(--hero-line);border-radius:24px;padding:8px;box-shadow:var(--shadow)}
[data-theme="c"] .dial{box-shadow:none}
.dial h2{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--hero-muted);margin:12px 16px 6px}
.dial a{display:grid;grid-template-columns:116px 1fr 20px;gap:12px;align-items:center;text-decoration:none;color:inherit;padding:14px 16px;border-radius:16px}
.dial a+a{border-top:1px solid var(--hero-line);border-top-left-radius:0;border-top-right-radius:0}
.dial a:hover{background:color-mix(in srgb,var(--hero-ink) 6%,transparent)}
.dial .no{font-size:30px;font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--hero-no);font-variant-numeric:tabular-nums}
.dial .no{white-space:nowrap}
.dial .urgent .no{color:var(--orange);font-size:23px}
.dial b{display:block;font-size:16px;line-height:1.35}
.dial span{display:block;font-size:13.5px;color:var(--hero-muted);line-height:1.45;margin-top:2px}
.dial svg{width:18px;height:18px;opacity:.5}
@media (max-width:520px){.dial a{grid-template-columns:92px 1fr 16px;gap:10px;padding:14px 12px}.dial .no{font-size:26px}.dial .urgent .no{font-size:19px}}
.dial p{font-size:12.5px;color:var(--hero-muted);margin:8px 16px 10px;line-height:1.5}

/* 구역 */
section{padding:84px 0}
section+section{border-top:1px solid var(--line)}
@media (max-width:760px){section{padding:56px 0}}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--orange)}
h2.t{font-size:clamp(26px,3.6vw,38px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 12px;font-weight:800}
.sub{color:var(--muted);margin:0 0 30px;max-width:640px;font-size:17px}
h3.s{font-size:clamp(21px,2.4vw,26px);letter-spacing:-.03em;line-height:1.3;margin:64px 0 8px;font-weight:800}

.three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:860px){.three{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.card .n{font-size:13px;font-weight:800;color:var(--orange);letter-spacing:.06em}
.card h4{margin:10px 0 8px;font-size:19px;line-height:1.4;letter-spacing:-.02em}
.card p{margin:0;color:var(--muted);font-size:16px}
.card p q{quotes:none;color:var(--ink);font-weight:600}

/* 권유의 다섯 단계 */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:f}
.flow li{counter-increment:f;position:relative;padding:22px 18px 4px 0}
.flow li:before{content:counter(f);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--soft);border:1px solid var(--line);font-weight:800;font-size:15px;position:relative;z-index:1}
.flow li:after{content:"";position:absolute;left:34px;right:0;top:39px;height:2px;background:var(--line)}
.flow li:last-child:after{display:none}
.flow b{display:block;margin:14px 0 4px;font-size:17px;letter-spacing:-.02em}
.flow span{display:block;color:var(--muted);font-size:15px;line-height:1.6;padding-right:6px}
.flow li.cut:before{background:var(--orange);border-color:var(--orange);color:#fff}
.flow li.cut b{color:var(--orange-deep)}
.flow li.cut em{display:inline-block;font-style:normal;font-size:12.5px;font-weight:700;color:var(--orange-deep);background:color-mix(in srgb,var(--orange) 14%,transparent);padding:3px 9px;border-radius:999px;margin-top:8px}
@media (max-width:860px){.flow{grid-template-columns:1fr}.flow li{padding:0 0 22px 50px}.flow li:before{position:absolute;left:0;top:0}.flow li:after{left:16px;right:auto;top:34px;bottom:0;width:2px;height:auto}.flow b{margin-top:4px}}

/* 변화 신호 */
.signs{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);overflow:hidden;box-shadow:var(--shadow)}
.signs div{padding:22px}
.signs div+div{border-left:1px solid var(--line)}
.signs svg{width:26px;height:26px;color:var(--green)}
.signs h4{margin:10px 0 6px;font-size:17px}
.signs p{margin:0;color:var(--muted);font-size:15px;line-height:1.6}
@media (max-width:860px){.signs{grid-template-columns:1fr 1fr}.signs div:nth-child(3){border-left:0}.signs div:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:520px){.signs{grid-template-columns:1fr}.signs div+div{border-left:0;border-top:1px solid var(--line)}}

/* 첫날 */
.day{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:860px){.day{grid-template-columns:1fr}}
.list{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:8px 24px;box-shadow:var(--shadow)}
.list h4{font-size:14px;letter-spacing:.06em;margin:16px 0 14px;display:flex;align-items:center;gap:8px}
.list h4 i{width:9px;height:9px;border-radius:50%;background:var(--green)}
.list.no h4 i{background:var(--orange)}
.list ul{list-style:none;padding:0;margin:0}
.list li{padding:14px 0;border-top:1px solid var(--line);font-size:16px;color:var(--muted)}
.list li b{color:var(--ink);display:block;font-size:17px;margin-bottom:2px}
.quote{margin:20px 0 0;background:var(--green-deep);color:#f6f1e2;border-radius:var(--r);padding:26px 28px;font-size:clamp(18px,2vw,21px);line-height:1.6;letter-spacing:-.02em}
.quote small{display:block;font-size:13px;color:#a9c0b9;letter-spacing:.06em;font-weight:700;margin-bottom:8px}

/* 십대 */
.band{background:var(--band-bg);color:var(--band-ink);border-top:0}
.band+section{border-top:0}
.band .sub{color:#b3c7c0}
.band h2.t{color:#fff}
.talk{display:grid;grid-template-columns:1fr 1fr;gap:22px 36px}
@media (max-width:860px){.talk{grid-template-columns:1fr}}
.pair{display:grid;gap:8px}
.pair .q{justify-self:start;max-width:92%;background:rgba(255,255,255,.1);border-radius:18px 18px 18px 4px;padding:11px 16px;font-weight:700;font-size:17px}
.pair .a{justify-self:end;max-width:92%;background:var(--cream);color:#1c2b28;border-radius:18px 18px 4px 18px;padding:11px 16px;font-size:16px;line-height:1.6}
.band .foot{margin:32px 0 0;padding:16px 20px;border:1px solid rgba(255,255,255,.18);border-radius:14px;font-size:16px}
.band .foot b{color:#ffd9a8}

/* 도움받을 곳 */
.rows{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);overflow:hidden;box-shadow:var(--shadow)}
.rows a{display:grid;grid-template-columns:92px 1.1fr 1.5fr .9fr;gap:16px;align-items:center;padding:16px 22px;text-decoration:none;color:inherit}
.rows a+a{border-top:1px solid var(--line)}
.rows a:hover{background:var(--soft)}
.rows .no{font-size:22px;font-weight:800;color:var(--green);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.rows .who{font-weight:700;font-size:16px;line-height:1.4}
.rows .when{color:var(--muted);font-size:15px;line-height:1.5}
.rows .hrs{color:var(--muted);font-size:14px;line-height:1.5;text-align:right}
@media (max-width:760px){.rows a{grid-template-columns:76px 1fr;gap:4px 14px;padding:16px 18px}.rows .no{grid-row:span 3;align-self:start;font-size:21px}.rows .hrs{text-align:left}}
.note{color:var(--muted);font-size:14px;margin:16px 0 0}

/* 책 */
.book{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:center}
@media (max-width:760px){.book{grid-template-columns:1fr;gap:28px}}
.book img{width:100%;max-width:240px;height:auto;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,.08),0 24px 48px -16px rgba(18,51,47,.35);display:block}
.book .ph{width:240px;aspect-ratio:148/210;border-radius:4px;background:var(--soft);display:grid;place-items:center;color:var(--muted);font-size:14px}
.book p{color:var(--muted);max-width:620px}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px;padding:0;list-style:none}
.meta li{font-size:14px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--soft);border:1px solid var(--line)}

footer{padding:40px 0 110px;color:var(--muted);font-size:14px;border-top:1px solid var(--line);line-height:1.7}
footer p{margin:0 0 8px;max-width:760px}
@media (min-width:761px){footer{padding-bottom:56px}}

/* 휴대폰 아래 전화 막대 */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:15;display:none;background:var(--green-deep);padding:8px 8px calc(8px + env(safe-area-inset-bottom));gap:6px;box-shadow:0 -6px 24px rgba(0,0,0,.18)}
.bar a{flex:1;text-align:center;text-decoration:none;color:#fbf6e6;border-radius:12px;padding:8px 2px 7px;background:rgba(255,255,255,.08);line-height:1.2}
.bar a b{display:block;font-size:18px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.bar a span{font-size:11.5px;color:#b9cbc5}
.bar a.u{background:var(--orange)}
.bar a.u span{color:#fff}
@media (max-width:760px){.bar{display:flex}}

@media (prefers-color-scheme:dark){
  :root,[data-theme]{--ink:#ecefe9;--muted:#a7b3ae;--line:#2a3532;--bg:#0f1716;--panel:#16201e;--soft:#1b2725;--shadow:none;
    --hero-bg:#0c1f1c;--hero-ink:#f6f1e2;--hero-muted:#a9bdb6;--hero-line:rgba(255,255,255,.12);--hero-panel:rgba(255,255,255,.05);--hero-no:#ffd9a8;--band-bg:#0c1f1c;--green:#8fd0bd}
  .flow li.cut b,.flow li.cut em{color:#ffb489}
  .pair .a{background:#f3e8c2}
}