/* =====================================================================
   Prism — Corporate Site  |  Design System
   Modern / Blue-centric. Brand accent colors taken from the logo.
   ===================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }

/* ---------- Tokens ---------- */
:root {
  /* Brand (from logo) */
  --navy:   #111675;   /* logo navy          */
  --blue:   #2557E8;   /* modern primary     */
  --blue-d: #1B3FCC;   /* pressed / deep     */
  --green:  #00873F;   /* logo green         */
  --orange: #F39200;   /* logo orange        */
  --yellow: #E2CE00;   /* logo yellow        */
  --purple: #7D4CF4;   /* logo purple        */

  /* Neutrals */
  --ink:    #0E1526;
  --body:   #3A4358;
  --muted:  #6B7488;
  --line:   #E4E9F2;

  /* Surfaces */
  --bg:     #FFFFFF;
  --tint:   #F5F8FF;   /* very light blue    */
  --sky:    #E9F0FE;   /* light blue         */

  /* Shape & depth */
  --radius:   18px;
  --radius-s: 12px;
  --shadow:   0 14px 40px rgba(17, 22, 117, .10);
  --shadow-s: 0 6px 18px rgba(17, 22, 117, .08);

  --max: 1120px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font: "Inter", "Noto Sans JP", system-ui, -apple-system, "Segoe UI",
          Roboto, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

/* ---------- Base ---------- */
body {
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  /* 日本語の文節単位で折り返す（対応ブラウザのみ／非対応でも通常の折り返しに戻るだけ） */
  word-break: auto-phrase;
  line-break: strict;
  overflow-wrap: break-word;
}
/* 見出し・短文は「句読点で切れない」よう文節折り返しを優先 */
h1, h2, h3, h4, h5,
.lede, .eyebrow, .tag, .app-soon, .info-table th {
  word-break: auto-phrase;
  line-break: strict;
}
/* 長いURL・メール等がはみ出さないように（文節折り返しの計算には影響させない） */
.info-table td, .mail-link { overflow-wrap: break-word; }
/* 文節折り返し非対応ブラウザでは、従来どおりの折り返しに戻す */
@supports not (word-break: auto-phrase) {
  body, h1, h2, h3, h4, h5, .lede { word-break: normal; }
}
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; letter-spacing: -.01em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }
p  { color: var(--body); }
small { font-size: .82rem; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 22px; }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section--tint { background: var(--tint); }
.section--sky  { background: linear-gradient(180deg, var(--sky), #fff); }
.center { text-align: center; }
.stack > * + * { margin-top: 1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
}
.lede { font-size: clamp(1.02rem, 1.6vw, 1.18rem); color: var(--muted); max-width: 62ch; }
.section-head { max-width: 760px; }
.section-head.center { margin-inline: auto; }
.muted { color: var(--muted); }

/* ---------- Rainbow dot motif (logo homage) ---------- */
.dots { display: inline-flex; gap: .42rem; align-items: center; }
.dots i {
  width: 10px; height: 10px; border-radius: 50%; display: block;
  box-shadow: 0 2px 6px rgba(0,0,0,.12);
}
.dot-o { background: var(--orange); }
.dot-g { background: var(--green);  }
.dot-n { background: var(--navy);   }
.dot-p { background: var(--purple); }
.dot-y { background: var(--yellow); }

/* ---------- Buttons ---------- */
.btn {
  --pad: .85rem 1.5rem;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: var(--pad); border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .2s var(--ease),
              background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--navy));
  color: #fff; box-shadow: 0 10px 24px rgba(37, 87, 232, .30);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(37, 87, 232, .38); }
.btn-ghost { background: #fff; color: var(--navy); border-color: var(--line); box-shadow: var(--shadow-s); }
.btn-ghost:hover { transform: translateY(-2px); border-color: #cfd8ec; }
.btn-link { background: none; padding: 0; color: var(--blue); font-weight: 600; border: 0; }
.btn-link:hover { color: var(--blue-d); gap: .8rem; }
.btn-lg { --pad: 1rem 1.9rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .7rem; }
.brand img { height: 34px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { font-size: .93rem; font-weight: 500; color: var(--body); position: relative; padding: .3rem 0; }
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--navy); font-weight: 700; }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--purple)); border-radius: 2px;
}
.nav-cta { margin-left: .5rem; }
/* ナビ内のCTAボタンは白文字（.nav a の色指定より優先させる） */
.nav a.nav-cta,
.nav a.nav-cta:visited { color: #fff; }
.nav a.nav-cta:hover,
.nav a.nav-cta:focus-visible { color: #fff; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  background: #fff; border-radius: 12px; cursor: pointer; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 50%; width: 20px; height: 2px; background: var(--navy);
  border-radius: 2px; transform: translateX(-50%); transition: .25s var(--ease);
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: translateX(-50%) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 480px at 82% -8%, rgba(125,76,244,.14), transparent 62%),
    radial-gradient(900px 420px at 8% 6%, rgba(37,87,232,.16), transparent 60%),
    linear-gradient(180deg, #fff, var(--tint));
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 -1px 0; height: 1px; background: var(--line);
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; padding: clamp(56px, 9vw, 116px) 0; }
.hero h1 { margin-bottom: 1.1rem; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--blue), var(--navy) 60%, var(--purple));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.hero-badges { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: .8rem 1.6rem; }
.hero-badges div { display: inline-flex; align-items: center; gap: .5rem; font-size: .88rem; color: var(--muted); white-space: nowrap; }
.hero-badges svg { width: 18px; height: 18px; flex: 0 0 auto; color: var(--blue); }

.hero-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.6rem; position: relative;
}
.hero-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(37,87,232,.5), rgba(125,76,244,.35), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.hero-card h3 { margin-bottom: .9rem; display: flex; align-items: center; gap: .55rem; }
.hero-card h3 svg { width: 20px; height: 20px; flex: 0 0 auto; color: var(--blue); }
.hero-card ul { list-style: none; padding: 0; display: grid; gap: .1rem; }
.hero-card li {
  display: flex; align-items: center; gap: .7rem; padding: .8rem .2rem;
  border-bottom: 1px dashed var(--line); font-size: .93rem;
}
.hero-card li:last-child { border-bottom: 0; }
.hero-card li b { color: var(--ink); font-weight: 600; }
.hero-card .dot { width: 10px; height: 10px; border-radius: 50%; flex: 0 0 auto; }
.hero-card .chev { margin-left: auto; color: var(--muted); }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem; box-shadow: var(--shadow-s);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  display: flex; flex-direction: column; height: 100%;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #d7e0f5; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  margin-bottom: 1.1rem; color: #fff;
}
.card .icon svg { width: 26px; height: 26px; }
.i-blue   { background: linear-gradient(135deg, var(--blue), var(--navy)); }
.i-green  { background: linear-gradient(135deg, #00A64D, var(--green)); }
.i-orange { background: linear-gradient(135deg, #FFA733, var(--orange)); }
.i-purple { background: linear-gradient(135deg, #9A6BFF, var(--purple)); }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .94rem; color: var(--muted); }
.card .tags { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0 1.2rem; }
.tag {
  font-size: .74rem; font-weight: 600; color: var(--navy);
  background: var(--sky); border-radius: 999px; padding: .28rem .7rem;
}
.card .more { margin-top: auto; }
.card--link { cursor: pointer; }

/* ---------- Feature list ---------- */
.feature { display: flex; gap: 1rem; }
.feature .num {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--navy)); font-size: .95rem;
}
.feature h3 { font-size: 1.02rem; margin-bottom: .3rem; }
.feature p { font-size: .92rem; color: var(--muted); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: 1.5rem; text-align: center; box-shadow: var(--shadow-s);
}
.stat b { display: block; font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); line-height: 1.2; }
.stat span { font-size: .86rem; color: var(--muted); }

/* ---------- Notice ---------- */
.notice {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #FFF9EC; border: 1px solid #F6E2B0; border-left: 4px solid var(--orange);
  border-radius: var(--radius-s); padding: 1.1rem 1.3rem; color: #6A4E10;
}
.notice svg { flex: 0 0 auto; width: 22px; height: 22px; color: var(--orange); margin-top: .2rem; }
.notice b { color: #5A420C; }
.notice--info { background: var(--tint); border-color: #D3E0FA; border-left-color: var(--blue); color: var(--navy); }
.notice--info svg { color: var(--blue); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background:
    radial-gradient(800px 380px at 88% -20%, rgba(125,76,244,.16), transparent 60%),
    radial-gradient(700px 340px at 0% 0%, rgba(37,87,232,.18), transparent 58%),
    linear-gradient(180deg, #fff, var(--tint));
  border-bottom: 1px solid var(--line);
  padding: clamp(48px, 7vw, 90px) 0;
}
.breadcrumb { font-size: .84rem; color: var(--muted); margin-bottom: 1rem; display: flex; gap: .5rem; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--blue); }
.page-hero h1 { margin-bottom: .8rem; }
.page-hero .lede { max-width: 60ch; }

/* ---------- Split / info table ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: center; }
.info-table { width: 100%; border-collapse: collapse; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-s); }
.info-table th, .info-table td { text-align: left; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }
.info-table th { width: 34%; background: var(--tint); color: var(--ink); font-weight: 600; font-size: .92rem; white-space: nowrap; }
.info-table td { color: var(--body); font-size: .94rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--blue) 70%, #3E7BFF);
  border-radius: var(--radius); color: #fff; padding: clamp(2rem, 5vw, 3.4rem);
  display: flex; flex-wrap: wrap; gap: 1.6rem; align-items: center; justify-content: space-between;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px;
  border-radius: 50%; background: radial-gradient(circle, rgba(125,76,244,.55), transparent 68%);
}
.cta-band h2 { color: #fff; margin-bottom: .4rem; }
.cta-band p { color: rgba(255,255,255,.86); max-width: 52ch; }
.cta-band .btn-ghost { border-color: transparent; }

/* ---------- Form ---------- */
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: clamp(1.4rem, 3vw, 2.2rem);
}
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: .88rem; font-weight: 600; color: var(--ink); margin-bottom: .45rem; }
.field .req { color: var(--orange); margin-left: .2rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: .8rem 1rem; border: 1.5px solid var(--line);
  border-radius: var(--radius-s); background: #fff; transition: border-color .18s, box-shadow .18s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37,87,232,.12);
}
.form-note { font-size: .82rem; color: var(--muted); margin-top: .9rem; }
/* 自動送信対策：ハニーポット欄は画面からも支援技術からも隠す */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
}
.form-msg { display: none; margin-top: 1rem; padding: .9rem 1.1rem; border-radius: var(--radius-s); font-size: .9rem; }
.form-msg.ok { display: block; background: #EAF7EF; border: 1px solid #BDE5CC; color: #14663A; }
.form-msg.err { display: block; background: #FDEEEE; border: 1px solid #F5C6C6; color: #A32020; }

/* ---------- Footer ---------- */
.site-footer { background: #0B1030; color: #A9B2CE; padding: clamp(3rem, 6vw, 4.5rem) 0 2rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.site-footer h4 { color: #fff; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer a { color: #A9B2CE; font-size: .9rem; display: block; padding: .28rem 0; }
.site-footer a:hover { color: #fff; }
.site-footer .brand img { height: 32px; }
.site-footer .about { font-size: .9rem; max-width: 34ch; margin-top: 1rem; color: #8E97B8; }
.site-footer small { display: block; margin-top: .55rem; font-size: .8rem; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.10); margin-top: 2.5rem; padding-top: 1.4rem;
  display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between; font-size: .82rem; color: #7E88AB;
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: .6rem 22px 1.1rem; box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .22s var(--ease);
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav a.active::after { display: none; }
  .nav-cta { margin: .9rem 0 0; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  body { font-size: 15.5px; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}

/* ---------------------------------------------------------------
   Shops band (メルカリShops への導線)
   --------------------------------------------------------------- */
.shops-band { margin-top: 2.6rem; }
.shops-band-in {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.4rem;
  padding: 1.6rem 1.8rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--tint), var(--sky));
  border: 1px solid #DCE6FB;
}
.shops-ic {
  width: 56px; height: 56px; flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 14px;
  background: #fff; color: var(--orange);
  box-shadow: 0 6px 18px rgba(17,22,117,.08);
}
.shops-ic svg { width: 28px; height: 28px; }
.shops-band-in h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.shops-band-in p { margin: 0; color: var(--body); font-size: .92rem; }
.shops-band-in .btn { white-space: nowrap; }

/* footer 内のショップリンク（アイコン付き） */
.site-footer a svg { width: 15px; height: 15px; margin-right: .35rem; vertical-align: -2px; }

/* ---------------------------------------------------------------
   App cards (制作アプリ一覧)
   --------------------------------------------------------------- */
.app-card {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.5rem 1.6rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 18px rgba(17,22,117,.05);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.app-thumb {
  width: 64px; height: 64px; flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
}
.app-thumb svg { width: 30px; height: 30px; }
/* アイコン画像がある場合 */
.app-thumb--img { background: none; padding: 0; overflow: hidden; }
.app-thumb--img img { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; display: block; }
.app-body { min-width: 0; flex: 1 1 auto; }
.app-head { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .4rem; }
.app-head h3 { margin: 0; font-size: 1.05rem; }
.app-plat {
  display: inline-flex; align-items: center; gap: .35rem;
  margin: 0 0 .5rem; font-size: .82rem; color: var(--muted);
}
.app-plat svg { width: 15px; height: 15px; color: var(--blue); }
.app-body p { margin: 0 0 .7rem; font-size: .92rem; color: var(--body); }


/* アプリ：準備中ステータス表示 */
.tag-status { background: #FFF3E0; color: #B45309; font-weight: 600; }
.app-soon {
  display: inline-block; font-size: .84rem; font-weight: 600;
  color: var(--muted); background: var(--tint);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .3rem .85rem;
}


/* 受付状況のご案内：端末幅にかかわらず「2行」で表示する */
.notice-body { line-height: 1.75; letter-spacing: -.012em; }

@media (max-width: 620px) {
  /* スマホでは案内帯を画面端まで広げ、アイコンぶんも本文の幅に充てる */
  .notice {
    margin-inline: -22px;      /* .container の padding-inline(22px) を打ち消す */
    border-radius: 0;
    padding: .9rem 10px;
    gap: 0;
  }
  .notice svg { display: none; }
  .notice-body {
    flex: 1 1 auto; min-width: 0;
    letter-spacing: -.015em;   /* ほんの少しだけ詰める */
    line-height: 1.7;
    /* 画面幅に比例して文字を調整（320〜430px のどの幅でも1行目が折り返さない） */
    font-size: clamp(11.5px, 3.45vw, 15px);
  }
}

/* 極端に狭い画面（折りたたみ端末のカバー画面など）向けの最終調整 */
@media (max-width: 340px) {
  .notice { padding: .85rem 6px; }
  .notice-body { font-size: clamp(10px, 3.55vw, 13px); }
}

/* ---------------------------------------------------------------
   Prismの由来：ロゴ（混ざった光が分かれるイメージのシンボル）
   --------------------------------------------------------------- */
.logo-lockup {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin-inline: auto;
}

/* ---------------------------------------------------------------
   Responsive
   --------------------------------------------------------------- */
@media (max-width: 860px) {
  .shops-band-in { grid-template-columns: 1fr; text-align: left; }
  .shops-band-in .btn { width: 100%; }
}
@media (max-width: 520px) {
  .app-card { flex-direction: column; }
  .app-thumb { width: 52px; height: 52px; border-radius: 13px; }
  .app-thumb svg { width: 24px; height: 24px; }
  .app-thumb--img img { width: 52px; height: 52px; border-radius: 13px; }
  .logo-lockup { max-width: 280px; }
}