:root {
  --blue: #316bb8;
  --blue-deep: #205096;
  --ink: #1f2937;
  --muted: #657184;
  --line: #e2e8f0;
  --display: "Zen Kaku Gothic New", "BIZ UDPGothic", "Yu Gothic", sans-serif;
  --body: "BIZ UDPGothic", "Yu Gothic", sans-serif;
  color: var(--ink);
  font-family: var(--body);
  font-size: 14px;
  background: #fff;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  line-height: 1.8;
}
[hidden] {
  display: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
:focus-visible {
  outline: 3px solid #5897e6;
  outline-offset: 4px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--display);
}
fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}
.wrap {
  width: min(1120px, calc(100% - 64px));
  margin-inline: auto;
}
.contact-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--blue-deep);
}
.brand svg {
  width: 30px;
  height: 30px;
  fill: #5897e6;
}
.brand path {
  fill: none;
  stroke: var(--blue);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.back-link {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}
.back-link:hover,
.contact-footer a:hover {
  color: var(--blue);
}
.contact-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 72px;
  padding-block: 64px 88px;
}
.contact-intro {
  padding-top: 20px;
}
.eyebrow {
  font-size: 13px;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 24px;
}
h1 {
  font-size: clamp(32px, 3.3vw, 46px);
  line-height: 1.5;
  letter-spacing: 0.025em;
  font-weight: 900;
}
h1 span {
  color: var(--blue);
}
.back-link span {
  margin-right: 6px;
}
.intro-copy {
  margin-top: 28px;
  font-size: 14px;
  line-height: 2.1;
  color: #4c596b;
}
.intro-wave {
  display: block;
  width: min(100%, 280px);
  height: 20px;
  margin-block: 38px;
}
.intro-wave path {
  fill: none;
  stroke: #90b6e5;
  stroke-width: 1.5;
}
.intro-detail {
  color: #4c596b;
  line-height: 2;
}
.intro-detail span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.inquiry-panel {
  min-width: 0;
  padding: 32px 36px 36px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(160deg, #f5f8fd 0, #fff 190px);
}
.form-steps {
  display: flex;
  gap: 16px;
  padding: 0 0 24px;
  margin: 0 0 26px;
  border-bottom: 1px solid var(--line);
  list-style: none;
  font-size: 12px;
  color: var(--muted);
}
.form-steps li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.form-steps span {
  font-family: var(--display);
  font-size: 15px;
}
.form-steps [aria-current] {
  color: var(--blue-deep);
  font-weight: 700;
}
.form-steps li + li::before {
  content: "／";
  color: #c4d1e3;
  margin-right: 8px;
  font-weight: 400;
}
h2 {
  font-size: 23px;
  line-height: 1.5;
}
.form-caption {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
  margin-bottom: 28px;
}
.topic-field {
  margin-bottom: 24px;
}
legend,
.field > label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 9px;
}
.required,
.optional {
  display: inline-block;
  margin-left: 6px;
  font-size: 10px;
  font-weight: 400;
  vertical-align: middle;
}
.required {
  color: var(--blue-deep);
}
.optional {
  color: var(--muted);
}
.topic-options {
  display: grid;
  grid-template-columns: 1.25fr 1.25fr 0.85fr;
  gap: 8px;
}
.topic-options label {
  position: relative;
}
.topic-options input {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  width: 14px;
  height: 14px;
  accent-color: var(--blue);
}
.topic-options span {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 8px 8px 8px 34px;
  border: 1px solid #d7e0ec;
  border-radius: 7px;
  font-size: 12px;
  cursor: pointer;
  background: #fff;
}
.topic-options input:checked + span {
  color: var(--blue-deep);
  border-color: var(--blue);
  background: #edf4ff;
}
.topic-options input:focus-visible {
  outline: 0;
}
.topic-options input:focus-visible + span {
  outline: 3px solid #5897e6;
  outline-offset: 3px;
}
.field {
  margin-bottom: 22px;
  min-width: 0;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.office-field {
  margin-bottom: 22px;
}
.office-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.office-row input {
  min-width: 0;
  flex: 1;
}
.office-remove {
  flex-shrink: 0;
  min-height: 44px;
}
.office-limit {
  color: var(--muted);
  font-size: 11px;
}
.office-limit:empty {
  display: none;
}
.field input,
textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  min-height: 48px;
  line-height: 1.7;
}
.field input::placeholder,
textarea::placeholder {
  color: #8792a2;
  font-size: 12px;
}
.field input:focus,
textarea:focus {
  border-color: var(--blue);
}
textarea {
  display: block;
  resize: vertical;
}
.field-hint {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  font-size: 10px;
  color: var(--muted);
  margin-top: 7px;
}
#message-count {
  flex-shrink: 0;
}
.form-notice {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.9;
  margin: 24px 0 18px;
}
.form-notice a {
  text-decoration: underline;
  color: var(--blue);
}
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  padding: 15px 20px;
  min-height: 54px;
  border: none;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  transition:
    background 0.2s,
    transform 0.2s;
}
.primary-button:hover {
  background: var(--blue-deep);
  transform: translateY(-2px);
}
.primary-button span {
  flex-shrink: 0;
}
fieldset:disabled .primary-button {
  cursor: not-allowed;
  opacity: 0.55;
}
.text-button {
  border: 0;
  background: transparent;
  padding: 12px 0;
  min-height: 44px;
  color: var(--blue-deep);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.review-list {
  margin: 0;
}
.review-list > div {
  border-bottom: 1px solid var(--line);
  padding-block: 17px;
}
.review-list dt {
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 6px;
}
.review-list dd {
  margin: 0;
  font-size: 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.review-actions {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 14px;
}
.contact-footer {
  border-top: 1px solid var(--line);
  padding-block: 26px 32px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
}
.contact-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  padding: 10px 16px;
  background: var(--blue-deep);
  color: #fff;
}
.skip-link:focus {
  top: 12px;
}
.contact-intro,
.inquiry-panel {
  animation: contact-rise 0.65s ease-out both;
}
.inquiry-panel {
  animation-delay: 0.1s;
}
@keyframes contact-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (max-width: 960px) {
  .contact-layout {
    gap: 36px;
    grid-template-columns: 0.7fr 1.3fr;
  }
  .inquiry-panel {
    padding-inline: 24px;
  }
  .topic-options {
    grid-template-columns: 1fr;
  }
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}
@media (max-width: 700px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .contact-header {
    min-height: 72px;
    gap: 16px;
  }
  .brand {
    font-size: 21px;
  }
  .brand svg {
    width: 25px;
    height: 25px;
  }
  .back-link {
    font-size: 11px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-block: 32px 48px;
  }
  .contact-intro {
    padding-top: 0;
  }
  .eyebrow {
    margin-bottom: 12px;
    font-size: 12px;
  }
  h1 {
    font-size: 32px;
    line-height: 1.4;
  }
  h1 br:first-of-type {
    display: none;
  }
  .intro-copy {
    margin-top: 14px;
    font-size: 12px;
  }
  .intro-wave {
    margin-block: 22px 0;
    height: 16px;
  }
  .intro-detail {
    display: none;
  }
  .inquiry-panel {
    padding: 24px 20px;
    border-radius: 12px;
  }
  .form-steps {
    gap: 10px;
    font-size: 11px;
    margin-bottom: 24px;
    padding-bottom: 18px;
  }
  .form-steps li {
    gap: 4px;
  }
  .form-steps li + li::before {
    margin-right: 2px;
  }
  h2 {
    font-size: 21px;
  }
  .field input,
  textarea {
    font-size: 16px;
  }
  .field-hint {
    flex-wrap: wrap;
    gap: 4px;
  }
  .contact-footer {
    font-size: 10px;
  }
}
@media (max-width: 360px) {
  .inquiry-panel {
    padding-inline: 16px;
  }
  .form-steps {
    gap: 6px;
    font-size: 10px;
  }
  .form-steps span {
    font-size: 12px;
  }
  .primary-button {
    font-size: 14px;
    padding-inline: 12px;
    gap: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .contact-intro,
  .inquiry-panel {
    animation: none;
  }
  .primary-button {
    transition: none;
  }
}
:is(.primary-button, .text-button):disabled {
  cursor: default;
  opacity: 0.55;
  transform: none;
}

.verification-block {
  margin-block: 28px 20px;
  display: grid;
  justify-items: center;
  gap: 10px;
}
.verification-label {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

#send-status:empty {
  display: none;
}

.complete-panel {
  padding: 32px 0 20px;
}

.complete-mark {
  width: 64px;
  height: 64px;
  margin-bottom: 28px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.complete-panel h2 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.6;
}

.complete-copy {
  margin: 24px 0;
  line-height: 1.9;
}

#complete-email {
  overflow-wrap: anywhere;
}