/* ============================================================
   base.css — デザイントークン + 共通スタイル
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* ---- トークン ---- */
:root {
  /* AIKEN NAVY（コーポレートカラー） */
  --navy:        #1E2E53;
  --navy-mid:    #162244;
  --navy-light:  #28407a;

  --gold:        #c9a84c;
  --gold-light:  #e8c97a;
  --gold-pale:   #f5e6c0;
  --cream:       #fdf8f0;
  --white:       #ffffff;
  --gray-50:     #f8f9fb;
  --gray-100:    #f0f2f6;
  --gray-300:    #c8cdd8;
  --gray-500:    #7a8299;
  --gray-700:    #3d4461;
  --success:     #2d7a4f;
  --error:       #c0392b;

  --shadow-sm:   0 2px 8px rgba(30,46,83,.07);
  --shadow-md:   0 8px 28px rgba(30,46,83,.11);
  --shadow-lg:   0 20px 56px rgba(30,46,83,.16);
  --transition:  .3s cubic-bezier(.4,0,.2,1);

  --font-serif:  'Noto Serif JP', serif;
  --font-sans:   'Noto Sans JP', sans-serif;
}

/* ---- リセット ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  background: #f8f9fb;
  color: var(--navy);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-sans); }

/* ---- サイトヘッダー ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid rgba(30,46,83,.12);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 48px;
  gap: 24px;
}

.header-left-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.logo {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: #1E2E53;
  letter-spacing: 1px;
  line-height: 1.2;
}

.logo span {
  display: block;
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 400;
  color: rgba(30,46,83,.55);
  letter-spacing: 3px;
  margin-top: 0;
}

.header-brand-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.header-logo {
  display: block;
  width: 178px;
  height: auto;
  max-width: none;
  object-fit: contain;
  flex-shrink: 0;
}

/* ---- フッター ---- */
.site-footer {
  border-top: 1px solid rgba(30,46,83,.12);
  background: #ffffff;
  margin-top: 32px;
}

.site-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 26px 24px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-footer__brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.site-footer__logo {
  display: block;
  width: 168px;
  height: auto;
  object-fit: contain;
  opacity: .92;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.site-footer__links a {
  font-size: 13px;
  color: var(--navy);
  position: relative;
  display: inline-flex;
  align-items: center;
}

.site-footer__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}

.site-footer__links a:hover::after {
  transform: scaleX(1);
}

/* ---- 会社概要・ポリシー共通 ---- */
.info-page {
  background: linear-gradient(180deg, #f8f9fb 0%, #fff 24%);
}

.info-page__container {
  max-width: 940px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}

.info-page__eyebrow {
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 16px;
}

.info-page__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.25;
  margin-bottom: 14px;
}

.info-page__lead {
  color: var(--gray-700);
  max-width: 720px;
  margin-bottom: 40px;
}

.info-card {
  background: #fff;
  border: 1px solid rgba(30,46,83,.08);
  box-shadow: var(--shadow-md);
  border-radius: 18px;
  overflow: hidden;
}

.info-card__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 24px 28px;
  border-bottom: 1px solid rgba(30,46,83,.08);
}

.info-card__row:last-child {
  border-bottom: 0;
}

.info-card__label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: rgba(30,46,83,.58);
}

.info-card__value {
  color: var(--navy);
}

.info-card__value strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.info-card__value small {
  color: var(--gray-500);
}
/* ---- プログレスバー ---- */
.progress-bar {
  flex: 1;
  max-width: 340px;
}
.progress-bar__label {
  font-size: 11px;
  color: rgba(30,46,83,.55);
  text-align: center;
  margin-bottom: 5px;
}

.progress-bar__track {
  height: 3px;
  background: rgba(30,46,83,.12);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  transition: width .5s cubic-bezier(.4,0,.2,1);
}

/* ---- 共通ボタン ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: var(--white);
  border: none;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(30,46,83,.2);
  letter-spacing: .5px;
}
.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,46,83,.3);
}
.btn-primary--sm { padding: 10px 22px; font-size: 13px; }

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
  border: none;
  padding: 14px 36px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(201,168,76,.25);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,168,76,.38);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--gray-500);
  border: 1px solid var(--gray-300);
  padding: 12px 26px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }

.btn-back {
  background: none;
  border: none;
  color: rgba(255,255,255,.5);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color .2s;
}
.btn-back:hover { color: var(--white); }

.btn-back-lp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-500);
  font-size: 14px;
  background: none;
  border: none;
  transition: gap .2s, color .2s;
}
.btn-back-lp:hover { gap: 10px; color: var(--navy); }

/* ---- フォーム共通 ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 7px;
  letter-spacing: .3px;
}
.form-label__req { color: var(--error); margin-left: 3px; }

.form-input {
  width: 100%;
  padding: 12px 15px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--navy);
  transition: border-color .2s, box-shadow .2s;
}
.form-input:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(30,46,83,.08);
}
.form-input--error { border-color: var(--error); }
.form-input--select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231E2E53' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

.form-error {
  color: var(--error);
  font-size: 12px;
  margin-top: 5px;
}

/* ---- セクションラベル ---- */
.section-label {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ---- レスポンシブ ---- */
@media (max-width: 768px) {
  .site-header__inner {
    padding: 12px 16px;
    gap: 10px;
  }

  .header-left-group {
    gap: 8px;
    flex-shrink: 0;
  }

  .header-logo {
    width: 178px;
    height: auto;
  }

  .logo {
    font-size: 12px;
    letter-spacing: .5px;
    margin-left: auto;
  }

  .logo span {
    font-size: 8px;
    letter-spacing: 2px;
  }

  .progress-bar {
    max-width: 130px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    padding: 24px 16px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .site-footer__links {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 10px;
  }

  .site-footer__links a {
    font-size: 14px;
    padding: 10px 12px;
    background: rgba(30,46,83,.04);
    border: 1px solid rgba(30,46,83,.08);
    border-radius: 10px;
  }

  .info-page__container {
    padding: 48px 16px 72px;
  }

  .info-card__row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px 18px;
  }
}