/* kyouiku.jp  MGK 情操教育アプリ ポータル 共通スタイル（unchihiroi.com の構成を踏襲・配色は教育系） */
:root{
  --paper:#f7fbff; --paper2:#eef6ff; --ink:#1f3a5f; --ink2:#5b7396; --navy:#24467a; --sky:#4f9de8; --sky2:#2f6fb5;
  --leaf:#6cc36b; --leaf2:#3f9a4a; --sun:#ffcf4d; --sun2:#e0a800; --peach:#ffb37a; --line:#cfdcec; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"M PLUS Rounded 1c",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--sky2)}
h1,h2,h3{line-height:1.35;margin:0 0 .5em}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.sr{position:absolute;left:-9999px}

/* 罫線ノート風の背景 */
body{background-image:linear-gradient(transparent 31px,rgba(79,157,232,.10) 31px);background-size:100% 32px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,251,255,.94);backdrop-filter:blur(6px);border-bottom:3px solid var(--navy)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:10px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:18px}
.brand .logo{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:22px;border:2px solid var(--navy)}
.brand small{display:block;font-size:11px;font-weight:700;color:var(--ink2);line-height:1.1;white-space:nowrap}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--ink);font-weight:700;font-size:14px;padding:8px 12px;border-radius:999px}
.nav a:hover{background:#dcecff}
.nav a.cta{background:var(--sky);color:#fff;border:2px solid var(--navy)}
.menu-btn{display:none;background:#fff;border:2px solid var(--navy);border-radius:10px;padding:6px 10px;font-weight:800;font-size:14px;color:var(--ink);cursor:pointer;line-height:1.2}
@media (max-width:900px){
  .site-header .wrap{min-height:56px;gap:8px}
  .brand span{font-size:15px}
  .menu-btn{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:56px;background:var(--paper2);border-bottom:2px solid var(--navy);flex-direction:column;gap:0;padding:6px 12px 10px;box-shadow:0 8px 16px rgba(31,58,95,.15)}
  .nav.open{display:flex}
  .nav a{padding:11px 10px;font-size:16px;border-radius:10px;border-bottom:1px solid #d9e6f5}
  .nav a:last-child{border-bottom:0}
  .nav a.cta{margin-top:8px;text-align:center}
}
@media (max-width:400px){.brand span{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;padding:44px 0 28px;background:radial-gradient(circle at 15% 10%,#fff 0,#eef6ff 60%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
@media (max-width:800px){.hero .wrap{grid-template-columns:1fr}}
.hero .eyebrow{display:inline-block;background:var(--sun);border:2px solid var(--navy);border-radius:999px;padding:3px 14px;font-weight:800;font-size:14px;margin:0 0 12px}
.hero h1{font-size:clamp(26px,3.6vw,40px);margin:0 0 10px;color:var(--navy)}
.hero h1 .accent{color:var(--sky2);background:linear-gradient(transparent 60%,#fff1b8 60%)}
.hero p.lead{margin:0 0 14px;font-size:17px}
.note{font-size:13px;color:var(--ink2)}
.hero-art{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;align-items:end}
.hero-art img{width:100%;filter:drop-shadow(0 6px 0 rgba(31,58,95,.15))}
.hero-art img:nth-child(2){transform:translateY(-14px) scale(1.12)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}
.chip{background:#fff;border:2px solid var(--navy);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700}
.btn{display:inline-block;background:var(--sky);color:#fff;text-decoration:none;font-weight:800;padding:12px 26px;border:3px solid var(--navy);border-radius:14px;font-size:16px;box-shadow:0 5px 0 var(--navy)}
.btn:hover{transform:translateY(2px);box-shadow:0 3px 0 var(--navy)}
.btn.second{background:#fff;color:var(--ink)}
.btn.leaf{background:var(--leaf)}

/* sections */
section{padding:52px 0}
@media (max-width:640px){section{padding:34px 0}.hero{padding:22px 0 16px}.hero .wrap{gap:12px}.card{padding:14px 14px}.sec-sub{margin-bottom:18px}.store-badge img{height:46px}}
section.alt{background:#fff}
.sec-title{font-size:clamp(22px,3vw,30px);text-align:center;margin-bottom:6px;color:var(--navy)}
.sec-title .mark{display:inline-block;background:var(--sky);color:#fff;border:2px solid var(--navy);border-radius:12px;padding:2px 12px;font-size:.7em;vertical-align:middle;margin-right:8px}
.sec-sub{text-align:center;color:var(--ink2);margin:0 0 28px;font-size:15px}
.card{background:#fff;border:3px solid var(--navy);border-radius:18px;padding:18px 20px;box-shadow:0 6px 0 rgba(31,58,95,.12)}
.card h3{font-size:18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid2,.grid3{grid-template-columns:1fr}}
.pillar{text-align:center}
.pillar .ic{font-size:40px;line-height:1;margin:0 0 8px}

/* app card（アプリ一覧） */
.app{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:start;background:#fff;border:3px solid var(--navy);border-radius:22px;padding:22px 24px;box-shadow:0 8px 0 rgba(31,58,95,.12);position:relative;overflow:hidden}
@media (max-width:640px){.app{grid-template-columns:1fr;padding:16px}}
.app .icon{width:150px;height:150px;border-radius:32px;border:3px solid var(--navy);box-shadow:0 4px 0 rgba(31,58,95,.2)}
@media (max-width:640px){.app .icon{width:110px;height:110px;border-radius:24px}}
.app .no{position:absolute;right:16px;top:14px;background:var(--sun);border:2px solid var(--navy);border-radius:999px;padding:2px 12px;font-weight:800;font-size:13px}
.app h3{font-size:clamp(20px,2.6vw,26px);margin:0 0 4px;color:var(--navy)}
.app .cat{font-size:14px;font-weight:700;color:var(--sky2);margin:0 0 8px}
.app p{margin:0 0 10px}
.app .learn{background:var(--paper2);border:2px dashed var(--sky2);border-radius:14px;padding:10px 14px;margin:10px 0}
.app .learn strong{color:var(--sky2)}
.app .learn ul{margin:6px 0 0;padding-left:1.3em}
.badges{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:12px 0 6px}
.store-badge{display:inline-block;line-height:0}
.store-badge img{height:54px;width:auto}
.store-badge:hover{opacity:.85}
.links{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 0}
.app.soon{opacity:.85;border-style:dashed;background:var(--paper2)}
.app.soon .icon{background:#fff;display:grid;place-items:center;font-size:56px}

/* recruit */
.recruit{background:linear-gradient(135deg,#fff5cc,#e6f5ff);border:4px dashed var(--sky2);border-radius:24px;padding:26px 150px;position:relative;overflow:hidden;text-align:center}
.recruit h2{font-size:clamp(22px,3.4vw,34px);color:var(--navy);margin:0 0 6px;text-shadow:2px 2px 0 #fff}
.recruit .schools{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:10px 0 14px}
.recruit .schools span{background:#fff;border:3px solid var(--navy);border-radius:999px;padding:5px 16px;font-weight:800;font-size:clamp(14px,2vw,18px);box-shadow:0 4px 0 rgba(31,58,95,.15)}
.recruit .art{position:absolute;width:130px;pointer-events:none}
.recruit .art.l{left:16px;bottom:16px}.recruit .art.r{right:16px;top:16px;transform:scaleX(-1)}
@media (max-width:900px){.recruit{padding:22px 20px}.recruit .art{display:none}}

/* faq */
.faq details{background:#fff;border:2px solid var(--navy);border-radius:14px;padding:12px 18px;margin:0 0 10px}
.faq summary{font-weight:800;cursor:pointer;list-style:none}
.faq summary::before{content:"Q. ";color:var(--sky2)}
.faq details p{margin:8px 0 0}
.faq details p::before{content:"A. ";color:var(--leaf2);font-weight:800}

/* company */
.company dl{display:grid;grid-template-columns:170px 1fr;gap:6px 14px;margin:0}
.company dt{font-weight:800;color:var(--ink2)}
.company dd{margin:0}
@media (max-width:520px){.company dl{grid-template-columns:1fr}.company dt{margin-top:6px}}

/* footer */
.site-footer{background:var(--navy);color:#e6eef8;padding:30px 0;font-size:13px}
.site-footer a{color:#ffe08a}
.site-footer .flinks{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:10px}

/* 下層ページ */
.page-head{padding:36px 0 10px}
.page-head h1{font-size:clamp(22px,3vw,30px);border-bottom:3px solid var(--sky);padding-bottom:8px;color:var(--navy)}
.breadcrumb{font-size:13px;color:var(--ink2);margin:0 0 6px}
.breadcrumb a{color:var(--ink2)}
.prose h2{font-size:20px;margin-top:32px;border-left:6px solid var(--sky);padding-left:10px;color:var(--navy)}
.prose ul{padding-left:1.3em}

/* ===== 2026-09-08 増える前提の構成（アプリ棚・一覧グリッド・お知らせ・詳細ページ） ===== */
/* hero のアプリ棚 */
.shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;align-content:center}
.tile{display:flex;flex-direction:column;align-items:center;gap:6px;text-decoration:none;color:var(--ink);font-weight:800;font-size:14px;background:#fff;border:3px solid var(--navy);border-radius:20px;padding:14px 10px;box-shadow:0 6px 0 rgba(31,58,95,.12)}
.tile img{width:96px;height:96px;border-radius:22px;border:2px solid var(--navy)}
.tile:hover{transform:translateY(-2px)}
.tile.soon{border-style:dashed;background:var(--paper2);color:var(--ink2);box-shadow:none}
.tile .q{display:grid;place-items:center;width:96px;height:96px;border-radius:22px;border:2px dashed var(--ink2);font-size:40px;color:var(--ink2);background:#fff}
@media (max-width:800px){.shelf{grid-template-columns:repeat(4,1fr);gap:8px}.tile{padding:10px 6px;font-size:12px}.tile img,.tile .q{width:64px;height:64px;border-radius:16px}.tile .q{font-size:28px}}

/* アプリ一覧グリッド（コンパクトカード） */
.apps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:800px){.apps-grid{grid-template-columns:1fr}}
.appc{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;background:#fff;border:3px solid var(--navy);border-radius:22px;padding:18px;box-shadow:0 8px 0 rgba(31,58,95,.12)}
@media (max-width:480px){.appc{grid-template-columns:1fr}}
.appc .thumb{display:block;line-height:0}
.appc .thumb img{width:120px;height:120px;border-radius:28px;border:3px solid var(--navy);box-shadow:0 4px 0 rgba(31,58,95,.2)}
.appc h3{font-size:19px;margin:4px 0 6px;color:var(--navy)}
.appc h3 a{color:var(--navy);text-decoration:none}
.appc h3 a:hover{text-decoration:underline}
.appc .desc{margin:0 0 8px;font-size:15px}
.appc .safe{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--leaf2)}
.appc .actions{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px}
.appc .actions .btn{padding:8px 16px;font-size:14px;border-width:2px;box-shadow:0 3px 0 var(--navy)}
.appc .badges{margin:6px 0 0}
.appc .badges .store-badge img{height:40px}
.appc.soon{border-style:dashed;background:var(--paper2);box-shadow:none}
.appc.soon .thumb{display:grid;place-items:center;width:120px;height:120px;border-radius:28px;border:2px dashed var(--ink2);background:#fff}
.appc.soon .q{font-size:48px;color:var(--ink2);font-weight:800}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 4px}
.tag{background:var(--paper2);border:2px solid var(--line);border-radius:999px;padding:1px 10px;font-size:12px;font-weight:700;color:var(--ink2)}
.tag.theme{background:var(--sun);border-color:var(--navy);color:var(--ink)}

/* お知らせ */
.news{list-style:none;margin:0;padding:0;border-top:2px solid var(--line)}
.news li{display:grid;grid-template-columns:110px 70px 1fr;gap:12px;align-items:center;padding:12px 4px;border-bottom:2px solid var(--line)}
@media (max-width:560px){.news li{grid-template-columns:100px 1fr;gap:6px 10px}.news li a{grid-column:1 / -1}}
.news time{font-weight:800;color:var(--ink2);font-size:14px}
.ntag{display:inline-block;text-align:center;background:var(--sky);color:#fff;border-radius:999px;font-size:12px;font-weight:800;padding:2px 8px}
.news a{color:var(--ink);text-decoration:none;font-weight:700}
.news a:hover{text-decoration:underline;color:var(--sky2)}

/* 詳細ページ */
.app-title{font-size:clamp(22px,3vw,30px);margin:0 0 4px;color:var(--navy)}
.app .tags{margin-bottom:6px}
/* 定義ブロック（AEO: 答えを先に書く） */
.define{margin:0 0 22px;border-color:var(--sky2);background:linear-gradient(135deg,#fff,#eef6ff)}
.define h3{font-size:18px;color:var(--sky2);margin:0 0 6px}
.define p{margin:0}
/* 2026-09-08 絵文字をイラスト（ChatGPT 生成・img/ico/）に置換 */
.brand img.logo{width:44px;height:44px;border-radius:12px;border:2px solid var(--navy);background:#fff;padding:2px}
.ico{display:inline-block;width:72px;height:72px}
.pillar .ic{display:flex;justify-content:center;margin:0 0 8px}
.pillar .ic .ico{width:88px;height:88px}
.ico.h{width:34px;height:34px;vertical-align:middle;margin:-4px 8px 0 0}
.ico.mini{width:22px;height:22px;vertical-align:middle;margin:-3px 4px 0 0}
.tile .q{padding:0;border:0;background:transparent}
.tile img.q{width:96px;height:96px;border-radius:22px;border:2px dashed var(--ink2);background:#fff}
@media (max-width:800px){.tile img.q{width:64px;height:64px;border-radius:16px}}
.appc.soon .thumb{border:0;background:transparent}
.appc.soon .thumb img.q{width:120px;height:120px;border-radius:28px;border:2px dashed var(--ink2);background:#fff}
.recruit h2 .ico.h{width:40px;height:40px}
.news-meta{margin:0 0 4px;font-size:14px;color:var(--ink2);display:flex;gap:10px;align-items:center}