/* ============================================================
   過去問ぽちぽち (kakomon.kkm-studio.com)
   kkm-studio.com の kkm.css（editorial + warm）に合わせた単体スタイル
   ライト/ダークは prefers-color-scheme で切り替え（色はすべて :root のトークン経由）
   ============================================================ */

:root {
  --ink:        #141212;
  --ink-2:      #3d3835;
  --ink-3:      #6d655f;
  --ink-mute:   #a49a90;
  --line:       #e6dfd3;
  --line-soft:  #f1eadd;
  --cream:      #faf7f0;
  --cream-2:    #f2ecdf;
  --paper:      #ffffff;
  --coral:      #e8594e;
  --coral-dark: #c8433a;
  --indigo:     #2b3467;
  --indigo-dark:#1e2650;
  --yellow:     #f5c542;
  --mint:       #b5d5c0;
  --indigo-ink: #2b3467;             /* 文字色としての indigo */
  --accent:     var(--coral);        /* 資格ページでは資格色に上書き */
  --header-bg:  rgba(250, 247, 240, .88);
  --footer-bg:  #141212;
  --warn-bg:    #fff6f4;
  --soon-bg:    #efe9de;

  --serif: "Zen Old Mincho", "游明朝", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans:  "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --english: "Fraunces", "Times New Roman", serif;

  --shadow-sm: 0 1px 2px rgba(20,18,18,.05), 0 2px 6px rgba(20,18,18,.05);
  --shadow-md: 0 6px 16px rgba(20,18,18,.08), 0 2px 4px rgba(20,18,18,.04);
  --shadow-lg: 0 24px 48px rgba(20,18,18,.14), 0 6px 14px rgba(20,18,18,.06);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:        #f1ece4;
    --ink-2:      #d5cdc3;
    --ink-3:      #a99f95;
    --ink-mute:   #7f766d;
    --line:       #3a3431;
    --line-soft:  #2b2624;
    --cream:      #171413;
    --cream-2:    #231f1d;
    --paper:      #1e1a18;
    --coral:      #f0685d;
    --coral-dark: #ff8a80;
    --indigo:     #3a4585;
    --indigo-ink: #a9b3ee;
    --header-bg:  rgba(23, 20, 19, .86);
    --footer-bg:  #0e0c0b;
    --warn-bg:    #2c1d1b;
    --soon-bg:    #2a2523;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.4), 0 2px 6px rgba(0,0,0,.25);
    --shadow-md: 0 6px 16px rgba(0,0,0,.4), 0 2px 4px rgba(0,0,0,.25);
    --shadow-lg: 0 24px 48px rgba(0,0,0,.55), 0 6px 14px rgba(0,0,0,.3);
  }
  .kk-fig { background: #fff; }            /* 問題の図は白地前提 */
  .tbl table { color: var(--ink); }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: hidden; }
html, body { max-width: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  font-size: 16px;
  line-height: 1.85;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.nw { display: inline-block; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.wrap--narrow { max-width: 780px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

/* ---------- header ---------- */
.k-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}
.k-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; max-width: 1280px; margin: 0 auto; gap: 12px;
}
.k-brand {
  display: flex; align-items: baseline; gap: 6px;
  font-family: var(--serif); font-weight: 600; font-size: 20px; letter-spacing: .04em;
  white-space: nowrap;
}
.k-brand__mark { color: var(--coral); }
.k-brand__sub {
  font-family: var(--english); font-size: 11px; font-weight: 400;
  color: var(--ink-mute); letter-spacing: .15em; margin-left: 4px;
}
.k-nav { display: flex; gap: 24px; font-size: 14px; letter-spacing: .05em; }
.k-nav a { color: var(--ink-2); position: relative; padding: 4px 0; transition: color .18s; white-space: nowrap; }
.k-nav a:hover { color: var(--coral); }
.k-nav a.is-active { color: var(--ink); }
.k-nav a.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--c, var(--coral));
}
@media (max-width: 720px) {
  .k-header__inner { padding: 10px 16px; flex-wrap: wrap; row-gap: 2px; }
  .k-brand { font-size: 17px; }
  .k-brand__sub { display: none; }
  .k-nav { gap: 14px; font-size: 12px; }
}

/* ---------- main / headings ---------- */
.kk-main { padding: 28px 0 72px; }
.kk-crumbs {
  font-size: 12px; color: var(--ink-3); margin-bottom: 28px; line-height: 1.7;
}
.kk-crumbs a { border-bottom: 1px solid var(--line); }
.kk-crumbs a:hover { color: var(--coral); border-color: var(--coral); }
.kk-crumbs .sep { margin: 0 8px; color: var(--ink-mute); }

.k-pagehead__label {
  font-family: var(--english); font-size: 12px; letter-spacing: .3em;
  color: var(--coral); text-transform: uppercase; margin-bottom: 14px;
}
.kk-head { margin: 8px 0 40px; }
.kk-head__title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(28px, 5vw, 44px); line-height: 1.4; letter-spacing: .02em; margin: 0 0 16px;
}
.kk-head__title small { font-size: .55em; color: var(--ink-2); }
.kk-head__lead { font-size: 16px; line-height: 2; color: var(--ink-2); margin: 0; }

.kk-h2 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.5; margin: 48px 0 16px; padding-top: 24px; border-top: 1px solid var(--line);
}
.kk-h2 a:hover { color: var(--coral); }
.kk-h3 { font-size: 15px; font-weight: 700; margin: 24px 0 8px; letter-spacing: .05em; }

/* ---------- question page ---------- */
.k-article__meta-row {
  font-size: 12px; letter-spacing: .12em; color: var(--ink-3);
  margin-bottom: 14px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}
.k-article__meta-row a { color: var(--coral); }
.k-article__meta-sep { color: var(--ink-mute); }
.kk-q__title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(22px, 4vw, 34px); line-height: 1.45; letter-spacing: .02em; margin: 0 0 28px;
}
.kk-q__title small { font-size: .6em; color: var(--coral); margin-left: 4px; }

.kk-text p { margin: 0 0 10px; white-space: pre-wrap; }
.kk-text ul { margin: 8px 0 12px; padding-left: 1.3em; }
.kk-text li { margin: 6px 0; }
.kk-text li::marker { color: var(--coral); }
ruby rt { font-size: .55em; color: var(--ink-3); }

.kk-shared {
  background: var(--cream-2); border-left: 3px solid var(--indigo-ink);
  border-radius: 4px; padding: 18px 20px; margin: 0 0 24px; font-size: 15px;
}
.kk-shared__title { font-size: 14px; font-weight: 700; color: var(--indigo-ink); margin: 0 0 8px; letter-spacing: .08em; }

.kk-stem { font-size: 17px; line-height: 1.95; margin-bottom: 20px; }

.kk-fig {
  margin: 16px 0; background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 12px;
}
.kk-fig img { margin: 0 auto; max-width: 100%; height: auto; }

.tbl { overflow-x: auto; margin: 12px 0 16px; -webkit-overflow-scrolling: touch; }
.tbl table { border-collapse: collapse; background: var(--paper); font-size: 14px; line-height: 1.6; min-width: 50%; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
.tbl th { background: var(--cream-2); font-weight: 700; }

.kk-choices { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.kk-choices li {
  display: flex; gap: 14px; align-items: baseline;
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px; box-shadow: var(--shadow-sm);
}
.kk-choices__key {
  flex: none; font-family: var(--serif); font-weight: 700; color: var(--coral); min-width: 1.4em;
}

.kk-answer {
  margin: 28px 0; background: var(--paper); border: 1px solid var(--line);
  border-radius: 16px; box-shadow: var(--shadow-md); overflow: hidden;
}
.kk-answer summary {
  cursor: pointer; list-style: none; text-align: center;
  padding: 16px; font-weight: 700; letter-spacing: .08em;
  background: var(--coral); color: #fff;
}
.kk-answer summary::-webkit-details-marker { display: none; }
.kk-answer summary::after { content: " ▾"; }
.kk-answer[open] summary { background: var(--indigo); }
.kk-answer[open] summary::after { content: " ▴"; }
.kk-answer__body { padding: 20px 22px 24px; }
.kk-answer__correct { font-size: 16px; margin: 0 0 12px; }
.kk-answer__correct strong {
  font-family: var(--serif); font-size: 26px; color: var(--coral); margin: 0 10px 0 6px;
}
.kk-answer__ctext { color: var(--ink-2); }
.kk-answer__point {
  margin: 0 0 8px; padding: 12px 16px; background: var(--cream-2);
  border-left: 3px solid var(--yellow); border-radius: 4px; font-weight: 500;
}
.kk-answer__point span {
  display: inline-block; font-size: 11px; font-weight: 700; color: var(--coral);
  letter-spacing: .15em; margin-right: 10px;
}
.kk-exp { font-size: 15px; color: var(--ink-2); line-height: 1.95; }
.kk-outdated {
  margin-top: 20px; padding: 4px 16px 10px; border: 1px dashed var(--coral);
  border-radius: 8px; background: var(--warn-bg); font-size: 14px;
}
.kk-outdated .kk-h3 { color: var(--coral-dark); margin-top: 10px; }

.kk-pager {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center;
  margin: 32px 0 8px; font-size: 14px;
}
.kk-pager a {
  padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--paper); text-align: center; transition: border-color .18s, color .18s;
}
.kk-pager a:hover { color: var(--coral); border-color: var(--coral); }
.kk-pager__prev { justify-self: start; }
.kk-pager__next { justify-self: end; }
.kk-pager__up { font-size: 13px; }

/* ---------- lists ---------- */
.kk-qlist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.kk-qlist li { border-bottom: 1px solid var(--line); }
.kk-qlist a {
  display: grid; grid-template-columns: auto 1fr; column-gap: 14px;
  padding: 12px 4px; transition: background .15s;
}
.kk-qlist a:hover { background: var(--cream-2); }
.kk-qlist a:hover .kk-qlist__text { color: var(--coral); }
.kk-qlist__no { font-weight: 700; font-size: 14px; white-space: nowrap; color: var(--indigo-ink); }
.kk-qlist__text { font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.kk-qlist__cat { grid-column: 2; font-size: 11px; color: var(--ink-mute); letter-spacing: .05em; }
@media (max-width: 520px) {
  .kk-qlist a { grid-template-columns: 1fr; }
  .kk-qlist__cat { grid-column: 1; }
}
.kk-more { text-align: right; font-size: 14px; margin: 12px 0 0; }
.kk-more a { color: var(--coral); border-bottom: 1px solid var(--coral); }

.kk-cards {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px;
}
.kk-cards--wide { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.kk-cards a {
  display: flex; flex-direction: column; height: 100%;
  background: var(--paper); border-radius: 14px; padding: 16px 18px;
  box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s;
}
.kk-cards a:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.kk-cards__name { font-family: var(--serif); font-weight: 500; font-size: 17px; line-height: 1.5; }
.kk-cards__meta { font-family: var(--english); font-size: 12px; color: var(--coral); letter-spacing: .1em; margin-top: 4px; }

.kk-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.kk-chips a, .kk-chips span {
  font-size: 12px; padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper);
}
.kk-chips a:hover { border-color: var(--coral); color: var(--coral); }
.kk-chips .is-active { background: var(--ink); color: var(--cream); border-color: var(--ink); }

/* ---------- app CTA ---------- */
.k-article-cta {
  background: var(--paper); border: 1px solid var(--line); border-radius: 20px;
  padding: 32px 28px; margin: 48px 0; box-shadow: var(--shadow-md);
}
.k-article-cta__eyebrow {
  font-family: var(--english); font-size: 11px; letter-spacing: .28em;
  color: var(--coral); text-transform: uppercase; margin-bottom: 12px;
}
.k-article-cta__title {
  font-family: var(--serif); font-weight: 500; font-size: 21px; line-height: 1.6; margin: 0 0 14px;
}
.k-article-cta__lead { font-size: 15px; line-height: 1.95; color: var(--ink-2); margin: 0 0 20px; }
.kk-cta__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.k-article-cta__button {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 24px; background: var(--coral); color: #fff;
  font-weight: 700; font-size: 14px; letter-spacing: .03em; border-radius: 999px;
  box-shadow: 0 6px 14px rgba(232, 89, 78, .28); transition: transform .18s;
}
.k-article-cta__button:hover { transform: translateY(-2px); }
.k-article-cta__button.kk-btn--indigo { background: var(--indigo); box-shadow: 0 6px 14px rgba(43, 52, 103, .25); }
@media (max-width: 520px) {
  .k-article-cta { padding: 26px 20px; }
  .k-article-cta__button { width: 100%; justify-content: center; }
}

/* ---------- credit ---------- */
.kk-credit {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--ink-3); line-height: 1.8;
}
.kk-credit p { margin: 0 0 6px; }
.kk-credit__note { color: var(--ink-2); }

/* ---------- store buttons ---------- */
.kk-stores { display: flex; flex-wrap: wrap; gap: 10px; }
.kk-store {
  display: inline-flex; flex-direction: column; justify-content: center; line-height: 1.25;
  min-width: 148px; padding: 8px 18px; border-radius: 12px;
  background: #141212; color: #fff; font-weight: 700; font-size: 16px; letter-spacing: .02em;
  border: 1px solid #141212; transition: transform .18s;
}
.kk-store small { font-size: 10px; font-weight: 500; letter-spacing: .06em; opacity: .8; }
a.kk-store:hover { transform: translateY(-2px); }
.kk-store--soon {
  background: var(--soon-bg); color: var(--ink-3); border: 1px dashed var(--ink-mute); font-size: 14px; cursor: default;
}
.kk-store--sm { min-width: 0; flex: 1 1 120px; padding: 7px 12px; font-size: 14px; }
@media (prefers-color-scheme: dark) {
  a.kk-store { background: #f1ece4; color: #141212; border-color: #f1ece4; }
}
@media (max-width: 520px) {
  .kk-cta .kk-store { flex: 1 1 120px; min-width: 0; }
}

/* ---------- footer ---------- */
.k-footer { padding: 64px 0 40px; background: var(--footer-bg); color: #faf7f0; }
.k-footer__inner { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.k-footer__brand { font-family: var(--serif); font-weight: 600; font-size: 26px; letter-spacing: .04em; margin-bottom: 8px; }
.k-footer__mark { color: var(--coral); }
.k-footer__tag a { color: #faf7f0; border-bottom: 1px solid rgba(250,247,240,.4); }
.k-footer__tag a:hover { color: var(--coral); border-color: var(--coral); }
.k-footer__tag { font-size: 14px; color: rgba(250,247,240,.6); margin: 0 0 36px; letter-spacing: .05em; }
.k-footer__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  padding-top: 32px; border-top: 1px solid rgba(250,247,240,.15);
}
.k-footer__col h4 {
  font-family: var(--english); font-size: 12px; letter-spacing: .2em;
  color: rgba(250,247,240,.5); margin: 0 0 12px; text-transform: uppercase;
}
.k-footer__col a { display: block; padding: 5px 0; color: rgba(250,247,240,.9); font-size: 14px; }
.k-footer__col a:hover { color: var(--coral); }
.k-footer__src {
  margin-top: 36px; font-size: 12px; line-height: 1.8; color: rgba(250,247,240,.55);
}
.k-footer__src p { margin: 0 0 4px; }
.k-footer__legal {
  margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(250,247,240,.10);
  font-size: 12px; color: rgba(250,247,240,.5);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
@media (max-width: 780px) {
  .k-footer__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .k-footer__inner { padding: 0 16px; }
}

/* ============================================================
   トップページ（ブランドLP）
   ============================================================ */
.kk-main--bare { padding: 0; }
.pc { display: inline; }
@media (max-width: 720px) { .pc { display: none; } }

.lp-hero {
  position: relative; overflow: hidden;
  padding: 72px 0 88px;
  background:
    radial-gradient(60% 70% at 88% 20%, color-mix(in srgb, #2F6FDB 14%, transparent), transparent 70%),
    radial-gradient(50% 60% at 62% 90%, color-mix(in srgb, #D9667B 16%, transparent), transparent 70%),
    radial-gradient(45% 55% at 8% 10%, color-mix(in srgb, #E08A1E 16%, transparent), transparent 70%),
    var(--cream);
}
.lp-hero__inner {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 40px; align-items: center;
}
.lp-hero__brand {
  font-family: var(--serif); font-weight: 600; font-size: 18px; letter-spacing: .08em; margin: 0 0 18px;
  display: inline-flex; align-items: center; gap: 2px;
  padding: 6px 16px; border-radius: 999px; background: var(--paper); box-shadow: var(--shadow-sm);
}
.lp-hero__title {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(32px, 4.6vw, 62px); line-height: 1.3; letter-spacing: .02em; margin: 0 0 22px;
}
.lp-hero__title span { display: block; white-space: nowrap; }
@media (max-width: 820px) { .lp-hero__title { font-size: clamp(28px, 9vw, 52px); } }
.lp-hero__lead { font-size: clamp(15px, 1.8vw, 18px); line-height: 2; color: var(--ink-2); margin: 0 0 30px; }
.lp-hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.lp-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px; font-weight: 700; font-size: 15px; letter-spacing: .05em;
  transition: transform .18s, box-shadow .18s, border-color .18s, color .18s;
}
.lp-btn--primary { background: var(--coral); color: #fff; box-shadow: 0 8px 18px rgba(232, 89, 78, .3); }
.lp-btn--primary:hover { transform: translateY(-2px); }
.lp-btn--ghost { border: 1px solid var(--ink-3); color: var(--ink); }
.lp-btn--ghost:hover { border-color: var(--coral); color: var(--coral); }
.lp-hero__stats {
  list-style: none; margin: 0; padding: 20px 0 0; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 8px 32px;
}
.lp-hero__stats li { display: flex; align-items: baseline; gap: 6px; font-size: 13px; color: var(--ink-3); }
.lp-hero__stats strong { font-family: var(--english); font-weight: 500; font-size: 32px; color: var(--ink); line-height: 1; }

/* phones */
.lp-phone {
  position: relative; border-radius: 30px; padding: 7px; background: #141212;
  box-shadow: var(--shadow-lg); width: 100%;
}
.lp-phone img { border-radius: 24px; width: 100%; height: auto; }
.lp-phone::after {
  content: ""; position: absolute; left: 50%; top: 13px; width: 26%; height: 11px;
  transform: translateX(-50%); border-radius: 999px; background: #141212;
}
@media (prefers-color-scheme: dark) { .lp-phone { background: #34302d; } .lp-phone::after { background: #34302d; } }

.lp-hero__visual { position: relative; height: 560px; }
.lp-hero__visual .lp-phone { position: absolute; width: 230px; }
.lp-phone--0 { left: 0; top: 70px; transform: rotate(-7deg); }
.lp-phone--1 { left: 50%; top: 0; transform: translateX(-50%); z-index: 2; width: 250px !important; }
.lp-phone--2 { right: 0; top: 70px; transform: rotate(7deg); }
@media (max-width: 960px) {
  .lp-hero__visual .lp-phone { width: 190px; }
  .lp-phone--1 { width: 210px !important; }
  .lp-hero__visual { height: 470px; }
}
@media (max-width: 820px) {
  .lp-hero { padding: 44px 0 56px; }
  .lp-hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .lp-hero__visual { height: auto; display: flex; justify-content: center; align-items: flex-start; gap: 0; padding-top: 6px; }
  .lp-hero__visual .lp-phone { position: relative; width: 36%; max-width: 200px; left: auto; right: auto; top: auto; }
  .lp-phone--0 { transform: rotate(-6deg) translate(18%, 26px); }
  .lp-phone--1 { transform: none; width: 40% !important; max-width: 220px; }
  .lp-phone--2 { transform: rotate(6deg) translate(-18%, 26px); }
  .lp-phone { border-radius: 22px; padding: 5px; }
  .lp-phone img { border-radius: 18px; }
  .lp-phone::after { top: 9px; height: 8px; }
}

/* sections */
.lp-sec { padding: 88px 0; scroll-margin-top: 56px; }
.lp-sec--tint { background: var(--cream-2); }
.lp-sec__head { text-align: center; margin: 0 auto 44px; max-width: 640px; }
.lp-sec__title {
  font-family: var(--serif); font-weight: 500; font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.45; letter-spacing: .03em; margin: 0 0 12px;
}
.lp-sec__lead { color: var(--ink-2); margin: 0; font-size: 15px; }
@media (max-width: 600px) { .lp-sec { padding: 60px 0; } .lp-sec__head { margin-bottom: 30px; } }

/* app cards */
.lp-apps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px;
}
@media (max-width: 960px) { .lp-apps { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; } }
.lp-app {
  position: relative; display: flex; flex-direction: column; gap: 16px;
  background: var(--paper); border: 1px solid var(--line-soft); border-radius: 22px;
  padding: 30px 24px 24px; box-shadow: var(--shadow-md); overflow: hidden;
}
.lp-app::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 6px; background: var(--c); }
.lp-app__head { display: flex; gap: 16px; align-items: center; }
.lp-icon { flex: none; width: 64px; height: 64px; border-radius: 22%; box-shadow: var(--shadow-sm); }
.lp-icon--dot {
  display: inline-grid; place-items: center; border-radius: 50%;
  background: var(--c); color: #fff; font-weight: 700; font-size: 15px;
}
.lp-app__name { font-family: var(--serif); font-weight: 600; font-size: 19px; line-height: 1.45; margin: 0; }
.lp-app__name span { display: inline-block; white-space: nowrap; }
.lp-app__exam { font-size: 13px; color: var(--ink-3); margin: 2px 0 0; line-height: 1.6; }
.lp-app__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); margin: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.lp-app__stats div { padding: 12px 4px; text-align: center; }
.lp-app__stats div + div { border-left: 1px solid var(--line); }
.lp-app__stats dt { font-size: 11px; color: var(--ink-3); letter-spacing: .1em; }
.lp-app__stats dd { margin: 0; font-size: 12px; color: var(--ink-2); }
.lp-app__stats strong {
  font-family: var(--english); font-weight: 500; font-size: 26px; color: var(--c); margin-right: 2px;
}
.lp-app__span { font-size: 13px; color: var(--ink-3); margin: -6px 0 0; }
.lp-app__link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px; border-radius: 12px; font-weight: 700; font-size: 15px;
  background: color-mix(in srgb, var(--c) 12%, transparent); color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--c) 35%, transparent); transition: background .18s;
}
.lp-app__link span { color: var(--c); transition: transform .18s; }
.lp-app__link:hover { background: color-mix(in srgb, var(--c) 20%, transparent); }
.lp-app__link:hover span { transform: translateX(3px); }
.lp-app .kk-stores { margin-top: auto; }

/* features */
.lp-features {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px;
}
.lp-feature { grid-column: span 2; background: var(--paper); border-radius: 18px; padding: 26px 24px; box-shadow: var(--shadow-sm); }
.lp-feature:nth-child(4) { grid-column: 2 / span 2; }
.lp-feature__icon {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
  background: color-mix(in srgb, var(--coral) 12%, transparent); color: var(--coral); margin-bottom: 14px;
}
.lp-feature h3 { font-family: var(--serif); font-weight: 600; font-size: 18px; line-height: 1.5; margin: 0 0 8px; }
.lp-feature p { font-size: 14px; line-height: 1.95; color: var(--ink-2); margin: 0; }
@media (max-width: 960px) {
  .lp-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-feature, .lp-feature:nth-child(4) { grid-column: auto; }
  .lp-feature:nth-child(5) { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .lp-features { grid-template-columns: 1fr; gap: 14px; }
  .lp-feature { padding: 22px 20px; display: grid; grid-template-columns: 48px 1fr; column-gap: 16px; }
  .lp-feature__icon { grid-row: span 2; margin: 0; }
}

/* screens */
.lp-screens {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px;
}
.lp-screens li { text-align: center; }
.lp-screens .lp-phone { max-width: 250px; margin: 0 auto 20px; }
.lp-screens h3 { font-family: var(--serif); font-weight: 600; font-size: 17px; margin: 0 0 6px; }
.lp-screens p { font-size: 13px; line-height: 1.85; color: var(--ink-2); margin: 0; text-align: left; }
@media (max-width: 960px) { .lp-screens { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 20px; } }
@media (max-width: 600px) {
  .lp-screens {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 16px;
    margin: 0 -16px; padding: 4px 16px 16px; -webkit-overflow-scrolling: touch; scrollbar-width: thin;
  }
  .lp-screens li { flex: 0 0 64%; scroll-snap-align: center; }
}

/* FAQ */
.lp-faq { display: grid; gap: 12px; }
.lp-faq details {
  background: var(--paper); border: 1px solid var(--line-soft); border-radius: 14px; box-shadow: var(--shadow-sm);
}
.lp-faq summary {
  cursor: pointer; list-style: none; padding: 18px 48px 18px 20px; position: relative;
  font-weight: 700; font-size: 15px; line-height: 1.7;
}
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::before { content: "Q"; font-family: var(--english); color: var(--coral); margin-right: 10px; font-size: 17px; }
.lp-faq summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 9px; height: 9px;
  border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: translateY(-70%) rotate(45deg); transition: transform .2s;
}
.lp-faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.lp-faq details p { margin: 0; padding: 0 20px 20px; font-size: 14px; line-height: 2; color: var(--ink-2); }
.lp-faq a { color: var(--coral); border-bottom: 1px solid currentColor; }

/* end */
.lp-end { text-align: center; }
.lp-end__title { font-family: var(--serif); font-weight: 500; font-size: clamp(22px, 3.2vw, 32px); margin: 0 0 24px; }
.lp-end__links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.lp-chip {
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 500;
  border: 1px solid color-mix(in srgb, var(--c) 50%, transparent); background: var(--paper);
  transition: background .18s;
}
.lp-chip::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--c); margin-right: 8px; }
.lp-chip:hover { background: color-mix(in srgb, var(--c) 12%, var(--paper)); }

/* ============================================================
   規約ページ
   ============================================================ */
.kk-legal__body { font-size: 15px; line-height: 1.95; color: var(--ink-2); }
.kk-legal__body h2 {
  font-family: var(--serif); font-weight: 600; font-size: 20px; color: var(--ink);
  margin: 40px 0 14px; line-height: 1.5;
}
.kk-legal__body h3 { font-size: 16px; font-weight: 700; color: var(--ink); margin: 28px 0 10px; }
.kk-legal__body p { margin: 0 0 14px; }
.kk-legal__body ul, .kk-legal__body ol { margin: 0 0 16px; padding-left: 1.6em; }
.kk-legal__body li { margin: 6px 0; }
.kk-legal__body li > ul, .kk-legal__body li > ol { margin: 6px 0; }
.kk-legal__body li::marker { color: var(--coral); }
.kk-legal__body strong { color: var(--ink); background: linear-gradient(transparent 62%, color-mix(in srgb, var(--yellow) 45%, transparent) 62%); }
.kk-legal__body a { color: var(--coral); border-bottom: 1px solid currentColor; word-break: break-all; }
.kk-legal__body hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.kk-legal__body .tbl table { width: 100%; }
.kk-legal .kk-head__title small { display: inline-block; margin-top: 4px; }