:root {
  --color-primary: #B12028;
  --color-text: #1a1a1a;
  --color-text-sub: #666;
  --color-bg: #fff;
  --color-bg-sub: #f5f5f5;
  --color-bg-header: #f9f8f8;
  --color-border: #e0e0e0;
  --color-danger: #c53030;
  --hero-logo-height: 68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {  font-family: "arial","Noto Sans JP","游ゴシック",YuGothic,"ヒラギノ角ゴ ProN W3","Hiragino Kaku Gothic ProN","メイリオ",Meiryo,sans-serif; color: var(--color-text); background: var(--color-bg); line-height: 1.8; padding-top: var(--hero-logo-height); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
br.sp { display: none; }
.section-label { display: inline-block; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.08em; color: var(--color-primary); margin-bottom: 16px; }
.section-title { font-size: 2rem; font-weight: 500; text-align: center; line-height: 1.5; margin-bottom: 12px; color: var(--color-text); }
.section-subtitle { font-size: 1rem; color: var(--color-text-sub); text-align: center; margin-bottom: 48px; }
.customers .section-title, .reasons .section-title, .faq .section-title { margin-bottom: 40px; }

/*
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.4s ease, transform 0.4s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
*/

.hero {
  background:
    linear-gradient(rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.78)),
    url("img/img/header_pc.jpg") center / cover no-repeat;
  padding: 0 0 80px;
  text-align: center;
}
.hero .fade-in { padding-top: 48px; }
.hero-heading { font-size: 2.25rem; font-weight: 500; line-height: 1.5; margin-bottom: 16px;

}
.hero-sub { font-size: 1rem; color: #222; max-width: 640px; margin: 0 auto 36px; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.hero-logo {
  margin: 0;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  background: #fff;
  border-top: 4px solid var(--color-primary);
  z-index: 1000;
}
.hero-logo img { width: 44px; height: auto; display: inline-block; }

.btn-primary { display: inline-block; background: var(--color-primary); color: #fff; padding: 14px 32px; border-radius: 4px; font-size: 1rem; font-weight: 700; text-decoration: none; border: none; cursor: pointer; }
.btn-primary:hover { opacity: 0.8; }
.btn-secondary { display: inline-block; background: transparent; color: var(--color-primary); padding: 14px 32px; border-radius: 4px; font-size: 1rem; font-weight: 500; text-decoration: none; border: 2px solid var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: #fff; }

.customers { padding: 80px 0; }
.customer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.customer-card { background: #fff; box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08); border-radius: 8px; padding: 32px 24px; text-align: center; }
.customer-card .card-photo { width: calc(100% + 48px); aspect-ratio: 4 / 3; overflow: hidden; margin: -32px -24px 20px; border-radius: 8px 8px 0 0; }
.customer-card .card-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.customer-card h3 { font-size: 1rem; font-weight: 500; margin-bottom: 8px; }
.customer-card p { font-size: 0.85rem; color: var(--color-text-sub); }

.reasons { background: var(--color-bg-sub); padding: 80px 0; }
.reasons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reason-card { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.08); border-radius: 8px; padding: 32px 28px; display: flex; flex-wrap: wrap; align-items: center; }
.reason-number { font-size: 2rem; font-weight: 700; color: var(--color-primary); opacity: 0.3; margin-right: 12px; line-height: 1; }
.reason-card h3 { font-size: 1.1rem; font-weight: 500; }
.reason-card p { width: 100%; margin-top: 10px; font-size: 0.9rem; color: var(--color-text-sub); }

.form-section { padding: 80px 0; }
.form-wrapper { max-width: 760px; margin: 0 auto; background: var(--color-bg-header); border: 1px solid var(--color-border); border-radius: 8px; padding: 48px 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label, .form-label-block { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; }
.required { font-size: 0.75rem; color: var(--color-danger); margin-left: 4px; }
.optional { font-size: 0.75rem; color: var(--color-text-sub); margin-left: 4px; }
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

body .iz_form_container .form-input,
body .iz_form_container .form-select,
body .iz_form_container .form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9rem;
  /*font-family: 'Noto Sans JP', sans-serif;*/
  /*font-weight: 300;*/
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #FFFFFF;
  color: var(--color-text);
  transition: border-color 0.2s;
  line-height: 1.6;
}

.form-input, .form-select, .form-textarea { width: 100%; padding: 12px 14px; font-size: 0.9rem; border: 1px solid var(--color-border); border-radius: 4px; background: #fff; color: var(--color-text); }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--color-primary); }
.form-textarea { min-height: 120px; resize: vertical; }

body .iz_form_container .form-select{
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.radio-group { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.radio-option { position: relative; }
.radio-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.radio-option label { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 4px; cursor: pointer; font-size: 0.85rem; background: #fff; }
.radio-option label::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--color-border); flex-shrink: 0; }
.radio-option input[type="radio"]:checked + label { border-color: var(--color-primary); background: rgba(177, 32, 40, 0.04); }
.radio-option input[type="radio"]:checked + label::before { border-color: var(--color-primary); background: var(--color-primary); box-shadow: inset 0 0 0 3px #fff; }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 28px; }
.checkbox-group input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--color-primary); margin-top: 3px; }
.checkbox-group label { font-size: 0.8rem; color: var(--color-text-sub); }
.checkbox-group a { color: var(--color-primary); text-decoration: underline; }
.form-submit { text-align: center; }
.form-submit .btn-primary { padding: 16px 56px; }
.form-submit-note { font-size: 0.75rem; color: var(--color-text-sub); margin-top: 12px; }

.faq { background: var(--color-bg-sub); padding: 80px 0; }
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-category { font-size: 1.1rem; font-weight: 500; margin: 20px 4px 4px; color: var(--color-primary); }
.faq-list .faq-category:first-child { margin-top: 0; }
.faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: 4px; overflow: hidden; }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; cursor: pointer; font-size: 0.95rem; gap: 16px; }
.faq-toggle { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.faq-toggle svg { width: 18px; height: 18px; stroke: var(--color-text-sub); stroke-width: 1.5; fill: none; }
.faq-item.open .faq-toggle .v-line { display: none; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 16px 24px 20px; font-size: 0.9rem; color: var(--color-text-sub); border-top: 1px solid var(--color-border); }
.contact-footer {
  background: #4a4a4a;
  padding: 8px 0;
  color: #fff;
  font-size: 0.75rem;
  line-height: 1.4;
}
.contact-footer .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.contact-footer-links {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 0;
}
.contact-footer-links a {
  color: inherit;
  text-decoration: none;
}
.contact-footer-links a:hover { text-decoration: underline; }
.contact-footer-copy { display: block; text-align: center; margin: 0; }
.contact-footer-copy { color: inherit; }

body .iz_form_container .iz_btn__action button{
  font-size: 15px;
}
body .radio.form_inline label{
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #FFFFFF;
  padding: 15px 20px;
  display: inline-block;
  margin: 5px 5px 5px 0;
  line-height: 1;
  vertical-align: middle;
}
body .radio.form_inline label:has(input[type="radio"]:checked) {
  border-color: var(--color-primary);
}
body .radio.form_inline input[type=radio]{
  accent-color: var(--color-primary);
}

@media (max-width: 768px) {
  :root { --hero-logo-height: 56px; }
  br.sp { display: inline; }
  .container { padding: 0 16px; }
  .hero, .customers, .reasons, .form-section, .faq { padding: 48px 0; }
  .hero { padding-top: 0; }
  .hero {
    background:
      linear-gradient(rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.82)),
      url("img/img/header.jpg") center / cover no-repeat;
  }
  .hero .fade-in { padding-top: 40px; }
  .hero-heading { font-size: 1.5rem; }
  .hero-sub { font-size: 0.85rem; }
  .hero-logo {
    margin: 0;
    width: 100%;
    margin-left: calc(50% - 50vw);
  }
  .logo-bar {
    top: 8px;
    left: 16px;
  }
  .hero-logo img { width: 32px; }
  .section-title { font-size: 1.05rem; }
  .section-subtitle { margin-bottom: 32px; font-size: 0.8em; }
  .customer-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .customer-card { padding: 24px 16px; }
  .customer-card .card-photo { margin: -24px -16px 16px; width: calc(100% + 32px); }
  .reasons-grid { grid-template-columns: 1fr; }
  .form-wrapper { padding: 32px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .radio-group { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 280px; text-align: center; }
  .contact-footer {
    font-size: 0.6875rem;
    padding: 7px 0;
  }
  .contact-footer .container { gap: 10px; }
  .contact-footer-links { gap: 10px; }

  body .iz_form_container .iz_btn__action{
    margin: 5px;
  }
  body .iz_form_container .iz_btn__action button{
    font-size: 13px;
  }
  body .iz_form_container .form_confirm_box{
    padding: 20px 10px !important;
  }
  body .iz_form_container .form_confirm_box p{
    padding: 10px 0 !important;
    font-size: 15px !important;
  }
  body .iz_form_container .form_confirm{
    font-size: 14px;
  }
  .top-page-button {
    height: 22px;
    padding: 0 8px;
    gap: 3px;
  }

  .top-page-button-icon {
    font-size: 11px;
  }

  .top-page-button span:last-child {
    font-size: 10px;
  }
}

/* トップへ戻る */
.logo-bar {
  position: absolute;
  top: 50%;
  left: 40px;
  transform: translateY(-50%);
  z-index: 2;
}

.logo-bar .container {
  max-width: none;
  margin: 0;
  padding: 0;
}

.top-page-button {
  position: static;
  transform: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 0 10px;
  border: 1px solid #8f8f8f;
  border-radius: 999px;
  background: #FFFFFF;
  color: #1d1d1d;
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.top-page-button-icon {
  font-size: 12px;
  line-height: 1;
  transform: translateY(-0.5px);
}

.top-page-button span:last-child {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

@media (max-width: 768px) {
  .logo-bar {
    left: 8px;
  }
}