/* ============================================================
   CubeMagic サポートフォーム スタイルシート
   ============================================================ */

:root {
  --cm-green-50:   #f1f7f1;
  --cm-green-100:  #dcecdc;
  --cm-green-200:  #b9d8b8;
  --cm-green-300:  #8dbe8c;
  --cm-green-400:  #5ea05c;
  --cm-green-500:  #3d8a3b;
  --cm-green-600:  #2f6f2e;
  --cm-green-700:  #275a26;
  --cm-green-800:  #1f481f;
  --cm-green-900:  #163316;

  --cm-neutral-0:   #ffffff;
  --cm-neutral-50:  #fafaf9;
  --cm-neutral-100: #f4f4f2;
  --cm-neutral-200: #e7e7e4;
  --cm-neutral-300: #d3d3cf;
  --cm-neutral-400: #a8a8a2;
  --cm-neutral-500: #76766f;
  --cm-neutral-600: #545450;
  --cm-neutral-700: #3a3a37;
  --cm-neutral-800: #252523;
  --cm-neutral-900: #131312;

  --cm-steel-500: #3f5e78;
  --cm-steel-700: #283c4e;

  --cm-red-50:   #fdf3f3;
  --cm-red-100:  #fbe2e2;
  --cm-red-500:  #c93030;
  --cm-red-600:  #a82626;
  --cm-amber-50: #fdf8ec;
  --cm-amber-500:#c98a16;

  --fg-1:          var(--cm-neutral-900);
  --fg-2:          var(--cm-neutral-700);
  --fg-3:          var(--cm-neutral-500);
  --fg-4:          var(--cm-neutral-400);

  --bg-canvas:     var(--cm-neutral-50);
  --bg-surface:    var(--cm-neutral-0);
  --bg-subtle:     var(--cm-neutral-100);
  --bg-brand-soft: var(--cm-green-50);

  --border-1:      var(--cm-neutral-200);
  --border-2:      var(--cm-neutral-300);
  --border-focus:  var(--cm-green-500);

  --accent:        var(--cm-green-500);
  --accent-hover:  var(--cm-green-600);
  --accent-press:  var(--cm-green-700);
  --accent-fg:     var(--cm-neutral-0);

  --link:          var(--cm-steel-500);
  --link-hover:    var(--cm-steel-700);

  --danger:        var(--cm-red-500);
  --danger-bg:     var(--cm-red-50);
  --warn-bg:       var(--cm-amber-50);

  --font-sans-jp: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'YuGothic', 'Meiryo', sans-serif;
  --font-sans-en: system-ui, -apple-system, sans-serif;
  --font-mono:    'SF Mono', 'Consolas', 'Courier New', monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 3px rgba(19,19,18,.06), 0 1px 2px rgba(19,19,18,.04);
  --shadow-focus: 0 0 0 3px rgba(61,138,59,.20);
  --shadow-focus-danger: 0 0 0 3px rgba(201,48,48,.18);

  --ease-out: cubic-bezier(.2,.7,.2,1);
  --dur-fast: 120ms;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--font-sans-jp);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-1);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--link-hover); }

/* ---- Top bar ---- */
.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-1);
  padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-logo img { height: 28px; display: block; }
.topbar-meta { display: flex; align-items: center; gap: 20px; font-size: 12px; color: var(--fg-3); }
.topbar-meta a { color: var(--link); text-decoration: none; }
.topbar-meta a:hover { text-decoration: underline; color: var(--link-hover); }

/* ---- Container ---- */
.container { max-width: 820px; margin: 36px auto 64px; padding: 0 24px; }

/* ---- Page header ---- */
.crumb { font-size: 12px; color: var(--fg-3); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.crumb a { color: var(--link); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb .sep { color: var(--fg-4); }

.page-title { font-size: 28px; font-weight: 700; color: var(--fg-1); letter-spacing: -.005em; line-height: 1.25; margin: 0 0 10px; }
.page-lead { font-size: 15px; line-height: 1.7; color: var(--fg-2); margin: 0; max-width: 64ch; }

/* ---- Notices ---- */
.privacy {
  margin-top: 20px;
  display: flex; gap: 12px;
  padding: 12px 14px;
  background: var(--bg-brand-soft);
  border: 1px solid var(--cm-green-100);
  border-radius: var(--radius-md);
  font-size: 13px; line-height: 1.6;
  color: var(--cm-green-800);
}
.privacy svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--cm-green-600); }
.privacy strong { font-weight: 700; }
.privacy a { color: var(--cm-green-700); font-weight: 600; }

.maintenance {
  margin-top: 14px; padding: 12px 14px;
  background: var(--warn-bg); border: 1px solid #f0deb1; border-radius: var(--radius-md);
  color: #8c5f0f; font-size: 13px; line-height: 1.6;
  display: none; gap: 12px; align-items: flex-start;
}
.maintenance.on { display: flex; }
.maintenance svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

/* ---- Error summary ---- */
.error-summary {
  margin-top: 16px; padding: 14px 16px;
  background: var(--danger-bg); border: 1px solid #f4c8c8; border-radius: var(--radius-md);
  color: var(--cm-red-600); font-size: 13px; line-height: 1.6;
  display: none; gap: 12px; align-items: flex-start;
}
.error-summary.on { display: flex; }
.error-summary svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.error-summary strong { display: block; margin-bottom: 4px; font-weight: 700; }
.error-summary ul { margin: 0; padding-left: 18px; }

/* ---- Form card ---- */
.form-card {
  margin-top: 28px; background: var(--bg-surface);
  border: 1px solid var(--border-1); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); overflow: hidden;
}

.section-head {
  background: var(--bg-brand-soft); color: var(--cm-green-800);
  font-weight: 700; font-size: 13px; letter-spacing: .04em;
  padding: 11px 24px; border-bottom: 1px solid var(--cm-green-100);
  display: flex; align-items: center; gap: 8px;
}
.section-head .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  background: var(--cm-green-600); color: white;
  font-size: 11px; border-radius: 50%;
  font-family: var(--font-sans-en);
}

.form-row {
  display: grid; grid-template-columns: 200px 1fr;
  gap: 18px 28px; align-items: start;
  padding: 18px 24px; border-bottom: 1px solid var(--border-1);
}
.form-row:last-child { border-bottom: none; }

.form-label { display: flex; align-items: center; gap: 8px; padding-top: 9px; font-size: 14px; font-weight: 700; color: var(--fg-1); }
.req { background: var(--danger); color: white; font-size: 10px; font-weight: 600; letter-spacing: .04em; padding: 2px 6px; border-radius: 3px; }
.opt { background: var(--bg-subtle); color: var(--fg-3); font-size: 10px; font-weight: 600; letter-spacing: .04em; padding: 2px 6px; border-radius: 3px; }

.form-control { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.form-hint { font-size: 12px; color: var(--fg-3); line-height: 1.5; }
.form-hint.err { color: var(--danger); display: none; align-items: center; gap: 4px; }
.form-hint.err.on { display: flex; }
.form-hint.err svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ---- Inputs ---- */
input[type="text"], select, textarea {
  font-family: var(--font-sans-jp);
  font-size: 14px; color: var(--fg-1);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-2); border-radius: var(--radius-sm);
  padding: 9px 12px; width: 100%; line-height: 1.5;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
input[type="text"]:hover, select:hover, textarea:hover { border-color: var(--cm-neutral-400); }
input[type="text"]:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--border-focus); box-shadow: var(--shadow-focus);
}
input.error, select.error, textarea.error { border-color: var(--danger); background: #fff8f8; }
input.error:focus, select.error:focus, textarea.error:focus { box-shadow: var(--shadow-focus-danger); }

select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%23545450' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M1 1.5l5 5 5-5'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px; cursor: pointer;
}

textarea { min-height: 200px; resize: vertical; line-height: 1.7; }

.counter { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); text-align: right; }
.counter.over { color: var(--danger); font-weight: 600; }

/* ---- Captcha ---- */
.captcha-row { display: flex; flex-direction: column; gap: 12px; }
.captcha-frame {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 12px; background: var(--bg-subtle);
  border: 1px solid var(--border-1); border-radius: var(--radius-md);
  width: max-content; max-width: 100%;
}
.captcha-frame img { display: block; height: 40px; border-radius: 3px; }
.captcha-input { width: 160px; }

/* ---- Footer / buttons ---- */
.form-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 24px; background: var(--bg-subtle); border-top: 1px solid var(--border-1);
}
.form-footer .note { font-size: 12px; color: var(--fg-3); }
.actions { display: flex; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: var(--font-sans-jp); font-weight: 700; font-size: 14px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 11px 22px; cursor: pointer; line-height: 1;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn-primary { background: var(--accent); color: var(--accent-fg); min-width: 120px; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { background: var(--accent-press); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.btn-secondary { background: var(--bg-surface); color: var(--fg-1); border-color: var(--border-2); }
.btn-secondary:hover { background: var(--bg-canvas); border-color: var(--cm-neutral-400); }

/* ---- Result page (send complete / error) ---- */
.result-wrap {
  max-width: 600px;
  margin: 48px auto 0;
}
.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 40px;
  text-align: center;
}
.result-icon {
  width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.result-icon svg { width: 30px; height: 30px; }
.result-icon.success { background: var(--cm-green-50); color: var(--cm-green-600); }
.result-icon.error   { background: var(--danger-bg);  color: var(--danger); }
.result-icon.warning { background: var(--warn-bg);    color: #8c5f0f; }
.result-title { font-size: 22px; font-weight: 700; margin: 0 0 16px; line-height: 1.3; }
.result-title.success { color: var(--cm-green-700); }
.result-title.error   { color: var(--cm-red-600); }
.result-title.warning { color: #8c5f0f; }
.result-body {
  font-size: 14px; line-height: 1.9; color: var(--fg-2);
  margin: 0 0 28px; text-align: left;
}
.result-body a { color: var(--link); }
.result-action { display: flex; justify-content: center; }

/* ---- Site footer ---- */
.sitefoot {
  margin-top: 48px; padding: 24px 28px;
  border-top: 1px solid var(--border-1); background: var(--bg-surface);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--fg-3);
}
.sitefoot a { color: var(--fg-2); text-decoration: none; }
.sitefoot a:hover { color: var(--fg-1); }
.sitefoot-links { display: flex; gap: 18px; }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .topbar { padding: 12px 16px; }
  .topbar-meta { display: none; }
  .container { margin: 24px auto 40px; padding: 0 16px; }
  .page-title { font-size: 22px; }
  .form-row { grid-template-columns: 1fr; padding: 16px; gap: 8px; }
  .form-label { padding-top: 0; }
  .section-head { padding: 10px 16px; }
  .form-footer { padding: 14px 16px; flex-direction: column-reverse; align-items: stretch; gap: 10px; }
  .actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .btn { width: 100%; }
}