:root {
  --ecm-navy: #1e2978;
  --ecm-navy-dark: #151c54;
  --ecm-orange: #f08200;
  --ecm-orange-hover: #d67400;
  --ecm-line: #d8dde6;
  --ecm-bg: #fff;
  --ecm-err: #c01414;
  --ecm-text: #222;
}

*,
*::before,
*::after { box-sizing: border-box; }

.ecm-form-page {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ecm-text);
  background: var(--ecm-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.ecm-form-page.is-embed {
  background: #fff;
  min-height: 0;
}
.ecm-form-page.is-embed .ecm-form-main {
  padding: 16px 12px 24px;
}

.ecm-form-header {
  background: #fff;
  border-bottom: 3px solid var(--ecm-navy);
}
.ecm-form-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.ecm-form-header__logo img {
  display: block;
  height: 40px;
  width: auto;
}
.ecm-form-header__tel {
  color: var(--ecm-navy);
  font-weight: 700;
  text-decoration: none;
  font-size: 14px;
}

.ecm-form-main {
  flex: 1;
  padding: 32px 16px 64px;
}
.ecm-form-wrap {
  max-width: 1100px;
  margin: 0 auto;
}

.ecm-steps {
  --ecm-step-size: 40px;
  --ecm-step-current: var(--ecm-navy);
  --ecm-step-done: #1c2430;
  --ecm-step-wait: #b8bec8;
  display: flex;
  align-items: flex-start;
  list-style: none;
  width: min(420px, 100%);
  margin: 8px auto 36px;
  padding: 0;
  border: none;
  background: transparent;
  overflow: visible;
}
.ecm-steps li {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  color: #8b919c;
  background: transparent;
  border: none;
}
.ecm-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: calc(var(--ecm-step-size) / 2);
  left: calc(50% + var(--ecm-step-size) / 2);
  width: calc(100% - var(--ecm-step-size));
  height: 2px;
  background: #d5dae2;
  transform: translateY(-50%);
}
.ecm-steps li.is-done:not(:last-child)::after {
  background: var(--ecm-step-current);
}
.ecm-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--ecm-step-size);
  height: var(--ecm-step-size);
  margin: 0 0 10px;
  border: 2px solid var(--ecm-step-wait);
  border-radius: 50%;
  background: #fff;
  color: #8b919c;
  font-size: 16px;
  font-weight: 700;
  z-index: 1;
}
.ecm-steps__label {
  display: block;
  text-align: center;
}
.ecm-steps li.is-current {
  color: var(--ecm-step-current);
}
.ecm-steps li.is-current .ecm-steps__num {
  border-color: var(--ecm-step-current);
  background: var(--ecm-step-current);
  color: #fff;
}
.ecm-steps li.is-done {
  color: var(--ecm-step-done);
}
.ecm-steps li.is-done .ecm-steps__num {
  border-color: var(--ecm-step-done);
  background: var(--ecm-step-done);
  color: transparent;
  font-size: 0;
}
.ecm-steps li.is-done .ecm-steps__num::before {
  content: "";
  width: 11px;
  height: 6px;
  border-left: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}

.ecm-form-title {
  font-size: 26px;
  color: var(--ecm-navy);
  margin: 0 0 16px;
  line-height: 1.4;
}
.ecm-notice {
  background: #fff8ee;
  border: 1px solid #f0d2a0;
  border-radius: 8px;
  padding: 14px 16px;
  margin: 0 0 24px;
  font-size: 14px;
}
.ecm-notice p { margin: 0 0 8px; }
.ecm-notice p:last-child { margin: 0; }
.ecm-notice a { color: var(--ecm-navy); font-weight: 700; }
.ecm-lead { margin: 0 0 20px; }

.ecm-form-layout.has-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 24px 40px;
  align-items: start;
  background: transparent;
  border: 0;
}
.ecm-form-sidebar {
  background: #fff;
  padding: 8px 4px 0;
}
.ecm-form-sidebar__head {
  text-align: center;
  font-weight: 700;
  font-size: 24px;
  margin: 8px 0 20px;
  color: #000;
  line-height: 1.2;
}
.ecm-form-sidebar__list {
  list-style: none;
  margin: 40px 0;
  padding: 0;
}
.ecm-form-sidebar__list li {
  position: relative;
  line-height: 1.8;
  font-size: 21px;
  font-weight: 700;
  color: #1f2879;
  text-indent: 1.2em;
}
.ecm-form-sidebar__list li::after {
  content: "";
  display: block;
  position: absolute;
  top: 0.5em;
  left: 0;
  width: 1em;
  height: 0.5em;
  border-left: 3px solid #1f2879;
  border-bottom: 3px solid #1f2879;
  transform: rotate(-45deg);
}
.ecm-form-sidebar__lead {
  font-size: 16px;
  line-height: 1.7;
  color: #000;
  margin: 0 0 8px;
}
.ecm-form-sidebar__visual {
  max-width: 400px;
  margin: 40px auto 0;
}
.ecm-form-sidebar__visual img {
  display: block;
  width: 100%;
  height: auto;
}
.ecm-form-sidebar__note {
  font-size: 14px;
  line-height: 1.7;
  color: #333;
  margin: 24px 0 0;
}
.ecm-form-layout.has-sidebar .ecm-form-body {
  padding: 28px 28px 36px;
  border: 1px solid var(--ecm-line);
  border-radius: 8px;
}
.ecm-form-body {
  background: #fff;
  padding: 8px 0 0;
}
.ecm-form-layout:not(.has-sidebar) .ecm-form-body {
  padding: 28px;
  border: 1px solid var(--ecm-line);
  border-radius: 8px;
}

.ecm-errors {
  background: #fff1f1;
  border: 1px solid #f0b4b4;
  padding: 14px 16px;
  margin: 0 0 24px;
}
.ecm-errors__title {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--ecm-err);
}
.ecm-errors ul { margin: 0; padding-left: 1.2em; }
.ecm-errors a { color: var(--ecm-err); }

.ecm-field {
  margin: 0 0 22px;
  padding-bottom: 4px;
  scroll-margin-top: 16px;
}
.ecm-field.is-error .ecm-input,
.ecm-field.is-error select {
  border-color: var(--ecm-err);
  background: #fff8f8;
}
.ecm-field__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.ecm-field__label {
  font-weight: 700;
  font-size: 15px;
}
.ecm-field__help {
  margin: 0 0 8px;
  font-size: 13px;
  color: #666;
}
.ecm-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  color: #fff;
}
.ecm-badge--req { background: var(--ecm-err); }
.ecm-badge--opt { background: #8a93a8; }
.ecm-field__error {
  color: var(--ecm-err);
  font-size: 13px;
  font-weight: 700;
  margin: 6px 0 0;
}

.ecm-input {
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--ecm-line);
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 16px;
  font-family: inherit;
  background: #fff;
}
.ecm-input:focus {
  outline: 2px solid var(--ecm-navy);
  outline-offset: 1px;
  border-color: transparent;
}
textarea.ecm-input { min-height: 140px; resize: vertical; }
.ecm-input--extra { margin: 8px 0 12px 28px; max-width: 420px; }
.ecm-input--file { padding: 10px; }
.ecm-file-current {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--ecm-navy);
}

.ecm-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ecm-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 16px 16px 12px;
  background: #f6f8fc;
  border: 1px solid #dce3ef;
  border-radius: 8px;
}
.ecm-group legend {
  flex: 0 0 100%;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  background: var(--ecm-navy);
  padding: 3px 10px;
  border-radius: 4px;
}
.ecm-choice {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 10px 14px;
  min-height: 44px;
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  user-select: none;
  background: #fff;
  border: 1px solid #c5cad6;
  border-radius: 8px;
  box-sizing: border-box;
}
.ecm-choice:hover {
  border-color: var(--ecm-navy);
  background: #f3f5fb;
}
.ecm-choice:has(input:checked) {
  border-color: var(--ecm-navy);
  background: #e8ecf8;
  box-shadow: inset 0 0 0 1px var(--ecm-navy);
  color: var(--ecm-navy);
  font-weight: 700;
}
.ecm-choice input[type="checkbox"],
.ecm-choice input[type="radio"] {
  width: 22px;
  height: 22px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--ecm-navy);
  cursor: pointer;
}
.ecm-choice--agree {
  font-size: 15px;
  width: 100%;
}
.ecm-choice-wrap { width: 100%; }
.ecm-choice-wrap .ecm-choice { width: 100%; }

.ecm-form-actions {
  margin-top: 28px;
  text-align: center;
}
.ecm-form-actions--split {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.ecm-btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 4px;
  min-width: 220px;
  text-align: center;
}
.ecm-btn--primary {
  background: var(--ecm-orange);
  color: #fff;
}
.ecm-btn--primary:hover { background: var(--ecm-orange-hover); }
.ecm-btn--ghost {
  background: #fff;
  color: var(--ecm-navy);
  border: 1px solid var(--ecm-navy);
}

.ecm-confirm {
  background: #fff;
  border: 1px solid var(--ecm-line);
  border-radius: 8px;
  margin: 0 0 24px;
  padding: 8px 0;
}
.ecm-confirm__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid #eef1f5;
  margin: 0;
}
.ecm-confirm__row:last-child { border-bottom: 0; }
.ecm-confirm__row dt {
  font-weight: 700;
  color: var(--ecm-navy);
}
.ecm-confirm__row dd { margin: 0; }
.ecm-confirm__extra { margin-top: 6px; font-size: 14px; color: #555; }
.ecm-muted { color: #999; }

.ecm-complete {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
  background: #fff;
  border: 1px solid var(--ecm-line);
  border-radius: 8px;
  padding: 32px;
}
.ecm-complete__body p { margin: 0 0 1em; }
.ecm-complete__image img { width: 100%; height: auto; display: block; }
.ecm-complete__home { margin-top: 24px; }
.ecm-complete__home a { color: var(--ecm-navy); font-weight: 700; }

.ecm-form-footer {
  background: var(--ecm-navy-dark);
  color: #fff;
  text-align: center;
  padding: 24px 16px;
  font-size: 13px;
}
.ecm-form-footer a { color: #fff; }
.ecm-form-footer__copy { margin: 8px 0 0; opacity: .8; }

@media (max-width: 900px) {
  .ecm-form-layout.has-sidebar {
    grid-template-columns: 1fr;
  }
  .ecm-form-layout:not(.has-sidebar) .ecm-form-body,
  .ecm-form-layout.has-sidebar .ecm-form-body {
    padding: 16px;
  }
  .ecm-form-sidebar {
    max-height: none;
    overflow: visible;
    padding: 0 0 8px;
  }
  .ecm-form-sidebar__head { font-size: 20px; }
  .ecm-form-sidebar__list { margin: 24px 0; }
  .ecm-form-sidebar__list li { font-size: 17px; }
  .ecm-form-sidebar__visual { margin-top: 24px; }
  .ecm-complete { grid-template-columns: 1fr; }
  .ecm-confirm__row { grid-template-columns: 1fr; gap: 4px; }
  .ecm-btn { min-width: 0; width: 100%; }
}