:root {
  --color-brand: #11308b;
  --color-text: #333;
  --color-text-dark: #000;
  --color-bg: #ffffff;
  --color-bg-hero: #dee9f6;
  --color-bg-footer: #222222;
  --color-bg-input: #f6f6f6;
  --color-placeholder: #cccccc;
  --color-required: #f23a3c;
  --color-link: #458cf5;
  --color-border: #eeeeee;
  --color-muted: #afafaf;

  --font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
  --font-en: "Open Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --container-max: 1280px;
  --container-pad: 40px;
  --container-pad-mobile: 20px;
  --section-gap: 80px;
  --section-gap-mobile: 48px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-jp);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.site-header {
  background: var(--color-bg);
  padding: 16px var(--container-pad);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.site-header__toggle {
  display: none;
  background: none;
  border: 0;
  width: 32px;
  height: 32px;
  padding: 4px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  position: relative;
  z-index: 11;
}

.site-header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-header__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.site-header__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__logo img {
  display: block;
  width: 77px;
  height: auto;
}

.site-header__nav {
  display: flex;
  gap: 64px;
  list-style: none;
}

.site-header__nav a,
.site-header__nav a:visited {
  color: var(--color-text);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-header__nav a:hover {
  color: var(--color-muted);
}

.site-header__nav a.is-active,
.site-header__nav a[aria-current="page"] {
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .site-header__toggle {
    display: flex;
  }
  .site-header__nav-wrap {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    padding: 88px var(--container-pad-mobile) 40px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 9;
  }
  .site-header__nav-wrap.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .site-header__nav {
    flex-direction: column;
    gap: 32px;
  }
  .site-header__nav a {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 12px var(--container-pad-mobile) 16px;
  }
  .site-header__logo img {
    width: 60px;
  }
}

/* ── Hero ── */
.hero {
  padding: 80px var(--container-pad) 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero__title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin: 0;
}

.hero__bar {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--color-text-dark);
}

.hero__title-text {
  display: inline-block;
}

@media (max-width: 480px) {
  .hero {
    padding: 60px var(--container-pad-mobile) 16px;
  }
}

/* ── Notices ── */
.notices {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 32px var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.notice__title {
  color: var(--color-required);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}

.notice__subtitle {
  color: var(--color-required);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.notice__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.notice__list li {
  font-size: 16px;
  line-height: 1.8;
}

.notice__list li::before {
  content: "▷ ";
  color: var(--color-link);
}

.notice__list a,
.notice__list a:visited {
  color: var(--color-link);
  text-decoration: none;
}

.notice__list a:hover {
  text-decoration: underline;
}

.notice__paragraph {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}

.notice__paragraph a {
  color: var(--color-link);
  text-decoration: none;
}

.notice__paragraph a:hover {
  text-decoration: underline;
}

.notice__paragraph--warn {
  color: var(--color-required);
}

@media (max-width: 480px) {
  .notices {
    padding: 24px var(--container-pad-mobile);
    gap: 24px;
  }
}

/* ── Form Section ── */
.form-section {
  padding: 48px var(--container-pad) var(--section-gap);
  max-width: var(--container-max);
  margin: 0 auto;
}

.form-section__layout {
  display: flex;
  gap: 64px;
  align-items: flex-start;
}

.form-section__heading {
  flex: 0 0 30%;
  position: sticky;
  top: 100px;
}

.form-section__title {
  font-family: var(--font-jp);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-brand);
  margin: 0;
  line-height: 1.4;
}

.contact-form {
  flex: 1;
  max-width: none;
}

@media (max-width: 768px) {
  .form-section__layout {
    flex-direction: column;
    gap: 32px;
  }
  .form-section__heading {
    position: static;
    flex: 0 0 auto;
  }
  .form-section__title {
    font-size: 24px;
  }
  .contact-form {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .form-section {
    padding: 24px var(--container-pad-mobile) var(--section-gap-mobile);
  }
}

/* ── Form Fields ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 720px;
}

.field {
  display: flex;
  flex-direction: column;
}

.field__label {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

.field__required {
  margin-left: 5px;
  color: var(--color-required);
  font-weight: 700;
}

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  background: var(--color-bg-input);
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 12px;
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.4;
  font-family: var(--font-jp);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.3s ease;
}

.field__input,
.field__select {
  height: 50px;
}

.field__textarea {
  height: 160px;
  resize: vertical;
}

.field__input::placeholder,
.field__textarea::placeholder {
  color: var(--color-placeholder);
}

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--color-brand);
}

.field__select-wrap {
  position: relative;
}

.field__select {
  padding-right: 42px;
}

.field__select-wrap::after {
  content: "▾";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #bdbdbd;
  pointer-events: none;
  font-size: 14px;
}

.field__error {
  margin-top: 8px;
  color: var(--color-required);
  font-size: 13px;
  font-weight: 500;
  display: none;
}

.field.is-invalid .field__error {
  display: block;
}

.field.is-invalid .field__input,
.field.is-invalid .field__select,
.field.is-invalid .field__textarea {
  border-color: var(--color-required);
}

/* ── Sub-types（USER/STORE 用チェックボックス） ── */
.sub-types {
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--color-bg-input);
  border-radius: 4px;
}

.sub-types.is-visible {
  display: flex;
}

/* サブ種別の選択肢（単一選択の radio をラップ） */
.choice {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.choice input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand);
  cursor: pointer;
}

.choice span {
  font-size: 15px;
  color: var(--color-text);
}

/* ── プライバシー同意 ── */
.privacy {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
  font-size: 15px;
  color: var(--color-text);
  cursor: pointer;
}

.privacy input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand);
  cursor: pointer;
  flex-shrink: 0;
}

.privacy a {
  color: var(--color-link);
}

/* ── 送信完了ページ用メッセージ ── */
.success-message {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 32px;
}

/* ── 送信ボタン ── */
.submit-wrap {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 320px;
  height: 56px;
  border: 2px solid var(--color-brand);
  border-radius: 28px;
  background: var(--color-bg);
  color: var(--color-brand);
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

.submit-btn:hover {
  background: var(--color-brand);
  color: var(--color-bg);
}

.submit-btn--link,
.submit-btn--link:visited {
  text-decoration: none;
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 480px) {
  .submit-btn {
    width: 100%;
    max-width: 320px;
    height: 48px;
    font-size: 16px;
  }
}

/* ── Honeypot（実ユーザーには非表示） ── */
.honeypot {
  position: absolute;
  left: -10000px;
  top: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ── フォーム全体のステータス表示 ── */
.form-status {
  margin-top: 24px;
  padding: 16px;
  border-radius: 4px;
  font-size: 15px;
  display: none;
}

.form-status.is-error {
  display: block;
  background: #fff1f2;
  color: var(--color-required);
  border: 1px solid var(--color-required);
}

/* ── Footer ── */
.site-footer {
  background: var(--color-bg-footer);
  color: var(--color-bg);
  padding: 64px var(--container-pad) 24px;
  margin-top: var(--section-gap);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.site-footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 64px;
}

.site-footer__nav {
  display: flex;
  gap: 64px;
  list-style: none;
}

.site-footer__nav a,
.site-footer__nav a:visited {
  color: var(--color-bg);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.site-footer__divider {
  border: 0;
  border-top: 1px solid var(--color-bg);
  margin: 24px 0;
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 500;
}

.site-footer__legal,
.site-footer__legal:visited,
.site-footer__legal:hover,
.site-footer__legal:active,
.site-footer__copyright {
  color: var(--color-bg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .site-footer__top {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
  .site-footer__nav {
    /* COMPANY SERVICES NEWS / RECRUIT CONTACT の 3+2 で折り返す */
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px 16px;
    width: 100%;
  }
  .site-footer__bottom {
    /* PRIVACY POLICY 左・Copyright 右の横並びはモバイルでも維持 */
    flex-wrap: wrap;
    gap: 8px 16px;
  }
}

@media (max-width: 480px) {
  .site-footer {
    padding: 48px var(--container-pad-mobile) 24px;
  }
}