/* atarashi-ya.jp — 白を基調にしたシンプルな見た目。PC を軸に、スマホでも 1 列で読みやすく。 */
:root {
  --ink: #111418;
  --sub: #5f6672;
  --faint: #9aa1ac;
  --line: #e8eaee;
  --soft: #f6f7f9;
  --accent: #0f6b62;
  --meipita: #2f5bd3;
  --gijiroku: #d4602a;
  --fishing: #0f8a7e;
  --wrap: 1120px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 40px; }

/* ヘッダー */
.site-header { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: .02em; }
.brand-mark { width: 10px; height: 22px; border-radius: 2px; background: var(--accent); }
.nav { display: flex; gap: 32px; font-size: 15px; color: var(--sub); }
.nav a:hover { color: var(--ink); }

/* トップの大見出し */
.hero { padding: 112px 0 104px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.hero-art { position: relative; height: 320px; }
.tile { position: absolute; width: 132px; height: 132px; border-radius: 34px; display: grid; place-items: center; box-shadow: 0 20px 48px rgba(17,20,24,.08); background: #fff; border: 1px solid var(--line); }
.tile svg { width: 56px; height: 56px; }
.tile.t1 { left: 8%; top: 12%; color: var(--meipita); background: #f3f6fe; }
.tile.t2 { left: 46%; top: 0; color: var(--gijiroku); background: #fdf5f0; width: 156px; height: 156px; border-radius: 40px; }
.tile.t2 svg { width: 64px; height: 64px; }
.tile.t3 { left: 30%; top: 54%; color: var(--fishing); background: #eef8f6; }
.hero h1 { font-size: 56px; line-height: 1.25; letter-spacing: -.01em; margin: 0 0 24px; font-weight: 700; }
.hero p { font-size: 18px; color: var(--sub); margin: 0; max-width: 560px; }
.eyebrow { font-size: 13px; letter-spacing: .16em; color: var(--accent); font-weight: 700; margin-bottom: 20px; }

/* 節 */
.section { padding: 0 0 112px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; }
.section-head h2 { font-size: 15px; letter-spacing: .14em; color: var(--sub); font-weight: 700; margin: 0; }

/* アプリのカード */
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.app-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 16px; padding: 32px; transition: border-color .15s, box-shadow .15s, transform .15s; }
.app-card:hover { border-color: #d4d8de; box-shadow: 0 12px 32px rgba(17,20,24,.06); transform: translateY(-2px); }
.app-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 24px; }
.app-icon svg { width: 26px; height: 26px; }
.app-card h3 { font-size: 22px; margin: 0 0 4px; }
.app-card .kind { font-size: 13px; color: var(--faint); margin: 0 0 16px; }
.app-card .desc { font-size: 15px; color: var(--sub); margin: 0 0 28px; flex: 1; }
.more { font-size: 14px; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.more::after { content: "→"; transition: transform .15s; }
.app-card:hover .more::after { transform: translateX(3px); }
.c-meipita .app-icon { background: #eef2fd; color: var(--meipita); } .c-meipita .more { color: var(--meipita); }
.c-gijiroku .app-icon { background: #fdf1eb; color: var(--gijiroku); } .c-gijiroku .more { color: var(--gijiroku); }
.c-fishing .app-icon { background: #e9f6f4; color: var(--fishing); } .c-fishing .more { color: var(--fishing); }

/* 運営者 */
.about { display: grid; grid-template-columns: 240px 1fr; gap: 40px; border-top: 1px solid var(--line); padding-top: 40px; }
.about h2 { font-size: 15px; letter-spacing: .14em; color: var(--sub); margin: 0; }
.facts { display: grid; grid-template-columns: 120px 1fr; row-gap: 12px; margin: 0; font-size: 15px; }
.facts dt { color: var(--faint); }
.facts dd { margin: 0; }

/* アプリのページ */
.app-hero { padding: 96px 0 72px; display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center; }
.app-hero .app-icon { width: 88px; height: 88px; border-radius: 24px; margin: 0; }
.app-hero .app-icon svg { width: 44px; height: 44px; }
.app-hero h1 { font-size: 44px; line-height: 1.2; margin: 0 0 8px; }
.app-hero p { font-size: 18px; color: var(--sub); margin: 0; }
.badge { display: inline-block; margin-top: 20px; font-size: 13px; color: var(--sub); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 96px; }
.feature { background: var(--soft); border-radius: 16px; padding: 28px; }
.feature .num { font-size: 13px; font-weight: 700; color: var(--faint); letter-spacing: .1em; }
.feature h3 { font-size: 18px; margin: 8px 0 8px; }
.feature p { font-size: 15px; color: var(--sub); margin: 0; }
.links { border-top: 1px solid var(--line); margin-bottom: 112px; }
.links a { display: flex; justify-content: space-between; align-items: center; padding: 22px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
.links a::after { content: "→"; color: var(--faint); transition: transform .15s; }
.links a:hover::after { transform: translateX(4px); color: var(--ink); }

/* 文書（プライバシーポリシー・特商法） */
.doc { max-width: 760px; margin: 0 auto; padding: 80px 0 120px; overflow-wrap: anywhere; }
.doc h1 { font-size: 34px; line-height: 1.35; margin: 0 0 12px; }
.doc h1 + p { color: var(--faint); font-size: 14px; margin-top: 0; }
.doc h2 { font-size: 21px; margin: 56px 0 12px; padding-top: 0; }
.doc h3 { font-size: 17px; margin: 32px 0 8px; }
.doc p, .doc li { font-size: 16px; }
.doc ul { padding-left: 1.3em; }
.doc li { margin: 4px 0; }
.doc a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; word-break: break-all; }
.doc table { display: block; overflow-x: auto; border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
.doc th, .doc td { border-bottom: 1px solid var(--line); padding: 12px 14px; text-align: left; vertical-align: top; }
.doc th { background: var(--soft); font-weight: 700; white-space: nowrap; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.back { display: inline-block; font-size: 14px; color: var(--sub); margin-bottom: 32px; }
.back::before { content: "← "; }

/* お問い合わせ */
.contact { max-width: 760px; margin: 0 auto; padding: 96px 0 120px; }
.contact h1 { font-size: 40px; margin: 0 0 16px; }
.contact .lead { font-size: 18px; color: var(--sub); margin: 0 0 40px; }
.mail-btn { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: #fff; border-radius: 999px; padding: 16px 28px; font-weight: 700; font-size: 16px; }
.mail-btn:hover { background: #2a2f37; }
.contact h2 { font-size: 18px; margin: 56px 0 8px; }
.contact p, .contact li { color: var(--sub); }
.note { font-size: 14px; color: var(--sub); background: var(--soft); border-radius: 12px; padding: 16px 20px; }

/* フッター */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0 56px; font-size: 13px; color: var(--faint); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
.site-footer a:hover { color: var(--ink); }

/* タブレット・スマホ */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { height: auto; display: flex; gap: 14px; order: -1; }
  .tile, .tile.t2 { position: static; width: 64px; height: 64px; border-radius: 18px; box-shadow: none; }
  .tile svg, .tile.t2 svg { width: 30px; height: 30px; }
  .apps, .features { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .site-header .wrap { height: 60px; }
  .nav { gap: 20px; font-size: 14px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .section { padding-bottom: 72px; }
  .app-card { padding: 24px; }
  .app-hero { grid-template-columns: 1fr; gap: 20px; padding: 56px 0 40px; }
  .app-hero .app-icon { width: 72px; height: 72px; border-radius: 20px; }
  .app-hero h1 { font-size: 32px; }
  .features { margin-bottom: 64px; }
  .doc, .contact { padding: 48px 0 80px; }
  .doc h1, .contact h1 { font-size: 28px; }
  .facts { grid-template-columns: 96px 1fr; }
}