@charset "utf-8";
/* ============================================================
   COLORIZATION — 出版代行
   コンセプト: 白とモノクロの紙面に、色が差す
   ============================================================ */

:root{
  --ink:#101014;
  --ink-2:#3b3b45;
  --muted:#6e6e7a;
  --line:#e7e7ee;
  --line-2:#f0f0f5;
  --bg:#ffffff;
  --bg-2:#f6f6f9;
  --bg-3:#efeff4;

  --c-red:#ea3f2c;
  --c-amber:#f5a524;
  --c-green:#12a97b;
  --c-blue:#2f6bf0;
  --c-violet:#8b5cf6;
  --grad:linear-gradient(90deg,var(--c-red) 0%,var(--c-amber) 26%,var(--c-green) 52%,var(--c-blue) 76%,var(--c-violet) 100%);

  --radius:14px;
  --radius-l:22px;
  --shadow:0 1px 2px rgba(16,16,20,.04),0 12px 32px rgba(16,16,20,.07);
  --shadow-l:0 2px 4px rgba(16,16,20,.04),0 28px 60px rgba(16,16,20,.10);

  --sans:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo",sans-serif;
  --en:"Inter","Helvetica Neue",Arial,sans-serif;

  --wrap:1140px;
  --gutter:24px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.9;
  font-feature-settings:"palt" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-blue);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.narrow{max-width:880px}
.pc{display:inline}
@media (max-width:720px){.pc{display:none}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- ヘッダー ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  height:var(--header-h);display:flex;align-items:center;gap:28px;
  max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter);
}
.logo{display:inline-flex;align-items:center;gap:11px;line-height:1;flex:none}
.logo__mark{width:36px;height:36px;flex:none;display:block}
.logo__wm{display:flex;flex-direction:column;gap:5px}
.logo__text{
  font-family:var(--en);font-weight:700;font-size:19px;letter-spacing:.16em;
  color:var(--ink);
}
.logo__bar{height:3px;border-radius:2px;background:var(--grad)}
.logo__sub{font-size:10.5px;letter-spacing:.24em;color:var(--muted);font-weight:500}

.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav a{
  font-size:14px;font-weight:500;color:var(--ink-2);position:relative;padding:6px 0;
  transition:color .18s ease;
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.22,1,.36,1);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:700}
/* ナビ内のボタンは a の配色ルールより優先させる */
.nav a.btn::after{display:none}
.nav a.btn--primary{color:#fff}
.nav a.btn--ghost{color:var(--ink)}

.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:#fff;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- ボタン ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s ease;
}
.btn--primary{background:var(--ink);color:#fff;box-shadow:0 10px 24px rgba(16,16,20,.18)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(16,16,20,.24)}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.2)}
.btn--sm{padding:11px 22px;font-size:13.5px}
.btn__arrow{width:16px;height:16px;flex:none}
.header .btn{flex:none}

/* ---------- 見出し ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--en);font-size:11.5px;font-weight:600;letter-spacing:.22em;
  color:var(--muted);text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--grad)}

h1,h2,h3{line-height:1.42;letter-spacing:.01em;font-weight:700}
.h-xl{font-size:clamp(30px,5.4vw,54px);line-height:1.28;letter-spacing:-.005em}
.h-lg{font-size:clamp(25px,3.4vw,38px);line-height:1.36}
.h-md{font-size:clamp(19px,2.1vw,23px)}
.h-sm{font-size:17px}
.lead{font-size:clamp(15px,1.6vw,17px);color:var(--ink-2);line-height:2.05}
.muted{color:var(--muted)}
.note{font-size:12.5px;line-height:1.85;color:var(--muted)}
.mark{
  background:linear-gradient(transparent 62%,rgba(245,165,36,.32) 62%);
  padding-inline:1px;
}

/* ---------- セクション ---------- */
.section{padding:clamp(64px,9vw,116px) 0}
.section--tint{background:var(--bg-2)}
.section--ink{background:var(--ink);color:#fff}
.section--ink .lead,.section--ink .muted{color:rgba(255,255,255,.72)}
.section--ink .eyebrow{color:rgba(255,255,255,.6)}
.section__head{max-width:760px;margin-bottom:clamp(36px,5vw,58px)}
.section__head--center{margin-inline:auto;text-align:center}
.section__head--center .eyebrow{justify-content:center}
.section__head .lead{margin-top:20px}

/* ---------- ヒーロー ---------- */
.hero{position:relative;padding:clamp(56px,7vw,92px) 0 clamp(56px,7vw,96px);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(900px 420px at 82% 8%,rgba(47,107,240,.07),transparent 62%),
    radial-gradient(720px 380px at 12% 96%,rgba(234,63,44,.06),transparent 60%);
}
.hero__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:clamp(32px,5vw,64px);align-items:center}
.hero h1{margin:0 0 24px}
.hero h1 .grad{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  font-size:12.5px;font-weight:500;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}

/* 彩色エフェクト：モノクロの上を色がなぞる */
.colorize{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l);background:#fff}
.colorize img{width:100%;display:block}
.colorize__base{filter:grayscale(1) contrast(1.03) brightness(1.03)}
.colorize__top{position:absolute;inset:0;clip-path:inset(0 100% 0 0)}
.colorize__edge{
  position:absolute;top:0;bottom:0;left:0;width:2px;opacity:0;
  background:linear-gradient(180deg,var(--c-red),var(--c-amber),var(--c-green),var(--c-blue),var(--c-violet));
  box-shadow:0 0 22px 5px rgba(255,255,255,.6);
}
.colorize.is-on .colorize__top{animation:reveal 2.3s cubic-bezier(.24,.9,.26,1) forwards}
.colorize.is-on .colorize__edge{animation:edgeMove 2.3s cubic-bezier(.24,.9,.26,1) forwards,edgeFade 2.3s linear forwards}
@keyframes reveal{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes edgeMove{from{left:0}to{left:100%}}
@keyframes edgeFade{0%{opacity:0}6%{opacity:1}88%{opacity:1}100%{opacity:0}}

/* ---------- スペック帯 ---------- */
.specs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.specs__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.specs__item{padding:34px 22px;text-align:center;border-left:1px solid var(--line-2)}
.specs__item:first-child{border-left:0}
.specs__num{font-family:var(--en);font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.01em;line-height:1.2}
.specs__num i{font-style:normal;font-size:.5em;font-weight:600;margin-left:3px;color:var(--muted)}
.specs__label{font-size:12.5px;color:var(--muted);margin-top:8px;letter-spacing:.04em}
.specs__item:nth-child(1) .specs__num{color:var(--c-red)}
.specs__item:nth-child(2) .specs__num{color:var(--c-amber)}
.specs__item:nth-child(3) .specs__num{color:var(--c-green)}
.specs__item:nth-child(4) .specs__num{color:var(--c-blue)}

/* ---------- カード ---------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .26s ease,border-color .22s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.22,1,.36,1);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-bottom:12px}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.95}
.card__icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--bg-2);border:1px solid var(--line);
}
.card__icon svg{width:22px;height:22px;stroke-width:1.6;fill:none;stroke:var(--ink)}
.card--c1 .card__icon{background:rgba(234,63,44,.08);border-color:rgba(234,63,44,.18)}
.card--c1 .card__icon svg{stroke:var(--c-red)}
.card--c2 .card__icon{background:rgba(245,165,36,.1);border-color:rgba(245,165,36,.22)}
.card--c2 .card__icon svg{stroke:var(--c-amber)}
.card--c3 .card__icon{background:rgba(18,169,123,.09);border-color:rgba(18,169,123,.2)}
.card--c3 .card__icon svg{stroke:var(--c-green)}
.card--c4 .card__icon{background:rgba(47,107,240,.08);border-color:rgba(47,107,240,.18)}
.card__icon svg{stroke:var(--ink)}
.card--c4 .card__icon svg{stroke:var(--c-blue)}
.card--c5 .card__icon{background:rgba(139,92,246,.09);border-color:rgba(139,92,246,.2)}
.card--c5 .card__icon svg{stroke:var(--c-violet)}

.card__no{
  font-family:var(--en);font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);
  display:block;margin-bottom:10px;
}

/* 悩みカード */
.pain{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.pain__q{font-family:var(--en);font-size:26px;font-weight:700;color:var(--line);line-height:1;margin-bottom:6px}
.pain h3{font-size:16.5px;margin-bottom:10px}
.pain p{font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- 特長（左右交互） ---------- */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,5vw,66px);align-items:center}
.feature + .feature{margin-top:clamp(52px,7vw,92px)}
.feature:nth-child(even) .feature__body{order:2}
.feature__no{
  font-family:var(--en);font-size:13px;font-weight:700;letter-spacing:.2em;
  display:inline-flex;align-items:center;gap:10px;color:var(--muted);margin-bottom:16px;
}
.feature__no::after{content:"";width:34px;height:2px;background:var(--grad);border-radius:2px}
.feature h3{margin-bottom:16px}
.feature p{color:var(--ink-2);font-size:15px}
.feature__list{margin-top:20px;display:grid;gap:10px}
.feature__list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-2)}
.feature__list li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:12px;border-radius:50%;
  background:var(--grad);
}
.feature__media{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow);background:#fff;border:1px solid var(--line)}
.feature__media img{width:100%}

/* ---------- 書影グリッド（モノクロ→彩色） ---------- */
.books{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.book{
  border-radius:8px;overflow:hidden;background:var(--bg-3);
  box-shadow:0 2px 8px rgba(16,16,20,.08);
  transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s ease;
}
.book img{
  width:100%;aspect-ratio:1/1.6;object-fit:cover;
  filter:grayscale(1) contrast(1.02);
  transition:filter .8s cubic-bezier(.22,1,.36,1);
}
.book.is-color img,.book:hover img{filter:grayscale(0) contrast(1)}
.book:hover{transform:translateY(-8px);box-shadow:var(--shadow-l)}

/* ---------- ステップ ---------- */
.steps{counter-reset:step;display:grid;gap:0}
.step{
  display:grid;grid-template-columns:74px minmax(0,1fr);gap:24px;
  padding:30px 0;border-top:1px solid var(--line);
}
.step:last-child{border-bottom:1px solid var(--line)}
.step__no{
  font-family:var(--en);font-size:14px;font-weight:700;letter-spacing:.08em;
  color:#fff;background:var(--ink);border-radius:999px;
  width:56px;height:30px;display:grid;place-items:center;
}
.step:nth-child(5n+1) .step__no{background:var(--c-red)}
.step:nth-child(5n+2) .step__no{background:var(--c-amber)}
.step:nth-child(5n+3) .step__no{background:var(--c-green)}
.step:nth-child(5n+4) .step__no{background:var(--c-blue)}
.step:nth-child(5n+5) .step__no{background:var(--c-violet)}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink-2)}
.step__meta{font-size:12.5px;color:var(--muted);margin-top:10px;letter-spacing:.03em}

/* ---------- 料金 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:34px 28px;position:relative;display:flex;flex-direction:column;height:100%;
}
.plan--pick{border-color:transparent;box-shadow:var(--shadow-l);transform:translateY(-6px)}
.plan--pick::before{
  content:"";position:absolute;inset:-1px;border-radius:var(--radius-l);padding:2px;
  background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.plan__badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.1em;
  padding:6px 16px;border-radius:999px;white-space:nowrap;
}
.plan__name{font-family:var(--en);font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--muted);margin-bottom:6px}
.plan h3{font-size:21px;margin-bottom:14px}
.plan__price{display:flex;align-items:baseline;gap:4px;margin-bottom:6px}
.plan__price b{font-family:var(--en);font-size:36px;font-weight:700;letter-spacing:-.02em}
.plan__price span{font-size:13px;color:var(--muted)}
.plan__desc{font-size:13.5px;color:var(--muted);padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid var(--line-2)}
.plan ul{display:grid;gap:11px;margin-bottom:26px}
.plan li{position:relative;padding-left:25px;font-size:14px;color:var(--ink-2);line-height:1.8}
.plan li::before{
  content:"";position:absolute;left:2px;top:.52em;width:13px;height:8px;
  border-left:2px solid var(--c-green);border-bottom:2px solid var(--c-green);
  transform:rotate(-45deg);
}
.plan li.off{color:#a5a5b0}
.plan li.off::before{
  border:0;left:3px;top:.72em;width:11px;height:2px;background:#d4d4dd;transform:none;
}
.plan .btn{margin-top:auto;width:100%}

/* ---------- テーブル ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px;background:#fff}
table.tbl th,table.tbl td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.tbl thead th{
  font-size:12.5px;letter-spacing:.08em;color:var(--muted);font-weight:600;
  background:var(--bg-2);border-bottom:1px solid var(--line);
}
table.tbl th[scope="row"]{width:30%;font-weight:700;color:var(--ink);white-space:nowrap}
table.tbl td{color:var(--ink-2)}
table.tbl tbody tr:last-child th,table.tbl tbody tr:last-child td{border-bottom:0}
.tbl-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 38px;position:relative;
  font-weight:700;font-size:16px;line-height:1.7;transition:color .18s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"Q";position:absolute;left:0;top:22px;
  font-family:var(--en);font-weight:700;font-size:15px;color:var(--c-blue);
}
.faq summary::after{
  content:"";position:absolute;right:6px;top:31px;width:11px;height:11px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq summary:hover{color:var(--c-blue)}
.faq__a{padding:0 44px 26px 38px;font-size:14.5px;color:var(--ink-2);line-height:2}

/* ---------- ページヘッダー ---------- */
.pagehead{padding:clamp(46px,6vw,78px) 0 clamp(34px,4.5vw,52px);border-bottom:1px solid var(--line);background:var(--bg-2)}
.pagehead h1{font-size:clamp(27px,4.2vw,42px);margin-bottom:16px}
.pagehead .lead{max-width:720px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb span[aria-hidden]{opacity:.5}

/* ---------- CTA帯 ---------- */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--grad)}
.cta__inner{padding:clamp(56px,7vw,86px) 0;text-align:center;position:relative;z-index:1}
.cta h2{margin-bottom:18px}
.cta p{color:rgba(255,255,255,.74);font-size:15.5px;max-width:640px;margin-inline:auto;line-height:2}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}

/* ---------- フォーム ---------- */
.form{display:grid;gap:22px}
.field{display:grid;gap:8px}
.field label{font-size:13.5px;font-weight:700}
.req{
  font-size:10.5px;font-weight:700;color:#fff;background:var(--c-red);
  border-radius:4px;padding:2px 7px;margin-left:8px;letter-spacing:.06em;vertical-align:2px;
}
.opt{font-size:10.5px;font-weight:600;color:var(--muted);background:var(--bg-3);border-radius:4px;padding:2px 7px;margin-left:8px;vertical-align:2px}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:15px;line-height:1.7;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:170px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-blue);box-shadow:0 0 0 3px rgba(47,107,240,.12);
}
.field .hint{font-size:12.5px;color:var(--muted)}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--c-red)}
.field .err{font-size:12.5px;color:var(--c-red);display:none}
.field.is-error .err{display:block}
.check{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.check input{width:18px;height:18px;flex:none;margin-top:4px;accent-color:var(--c-blue)}
.form__msg{
  display:none;padding:16px 18px;border-radius:10px;font-size:14px;line-height:1.85;
  border:1px solid var(--line);background:var(--bg-2);
}
.form__msg.is-on{display:block}
.form__msg.is-ok{border-color:rgba(18,169,123,.35);background:rgba(18,169,123,.07);color:#0a6b4e}
.form__msg.is-ng{border-color:rgba(234,63,44,.3);background:rgba(234,63,44,.06);color:#a52618}

/* ---------- フッター ---------- */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 32px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.footer__about p{font-size:13.5px;color:var(--muted);margin-top:18px;max-width:360px;line-height:1.95}
.footer h4{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:16px;font-family:var(--en)}
.footer__links{display:grid;gap:11px}
.footer__links a{font-size:14px;color:var(--ink-2);transition:color .18s ease}
.footer__links a:hover{color:var(--ink)}
.footer__bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-top:26px}
.copyright{font-size:12px;color:var(--muted);font-family:var(--en);letter-spacing:.04em}

/* ---------- 補助 ---------- */
.divider{height:1px;background:var(--line);border:0;margin:0}
.stack-sm > * + *{margin-top:12px}
.mt-l{margin-top:clamp(34px,5vw,56px)}
.mt-m{margin-top:26px}
.center{text-align:center}
.tbd{
  font-size:11.5px;font-weight:700;color:var(--c-amber);
  background:rgba(245,165,36,.12);border:1px solid rgba(245,165,36,.3);
  border-radius:5px;padding:2px 8px;letter-spacing:.04em;
}
.samples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.sample{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.sample img{width:100%;max-height:520px;object-fit:cover;object-position:top}
.sample__cap{padding:16px 20px;font-size:13px;color:var(--muted);border-top:1px solid var(--line-2)}

/* スクロールイン */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- レスポンシブ ---------- */
@media (max-width:1000px){
  .books{grid-template-columns:repeat(4,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer__about{grid-column:1/-1}
}
@media (max-width:880px){
  :root{--header-h:64px}
  .nav-toggle{display:block}
  .header__inner{gap:12px}
  .header .btn{display:none}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 0 20px;margin:0;
    box-shadow:0 20px 40px rgba(16,16,20,.1);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;
    max-height:calc(100dvh - var(--header-h));overflow-y:auto;
  }
  .nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:15px var(--gutter);font-size:15px;border-bottom:1px solid var(--line-2)}
  .nav a::after{display:none}
  .nav .btn{display:inline-flex;margin:18px var(--gutter) 0;width:calc(100% - var(--gutter)*2)}
  .hero__grid{grid-template-columns:1fr;gap:38px}
  .hero__media{order:-1}
  .feature{grid-template-columns:1fr;gap:26px}
  .feature:nth-child(even) .feature__body{order:0}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr;gap:20px}
  .plan--pick{transform:none}
  .specs__grid{grid-template-columns:repeat(2,1fr)}
  .specs__item{border-left:0;border-top:1px solid var(--line-2);padding:26px 14px}
  .specs__item:nth-child(-n+2){border-top:0}
  .specs__item:nth-child(even){border-left:1px solid var(--line-2)}
  .samples{grid-template-columns:1fr}
}
@media (max-width:560px){
  :root{--gutter:18px}
  .books{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .step{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .card{padding:26px 22px}
  .faq summary{font-size:15px;padding:20px 34px 20px 30px}
  .faq__a{padding:0 34px 22px 30px}
  .footer__grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .colorize__top{clip-path:inset(0 0 0 0)}
  .book img{filter:none}
  .reveal{opacity:1;transform:none}
}

@media print{
  .header,.footer,.cta,.nav-toggle{display:none}
  body{font-size:12px}
}