/* ========================================
   VARIABLES
   ======================================== */
:root {
  /* カラー */
  --color-primary:      #D72A2D; /* ブランドカラー（赤）。見出し・アクセント */
  --color-text:         #333333; /* 本文テキスト */
  --color-text-mid:     #555555; /* サブテキスト */
  --color-text-light:   #999999; /* 軽量テキスト・注記 */
  --color-border:       #e5e5e5; /* 区切り線・ボーダー */
  --color-border-light: #cccccc; /* 薄いボーダー（フォーム等） */
  --color-surface:      #f0f0f0; /* カード・セクション背景 */
  --color-overlay:      rgba(0, 0, 0, 0.45); /* 背景画像の上に重ねるダークオーバーレイ */
  --color-overlay-dark: rgba(0, 0, 0, 0.5);
  --color-bg:           #ffffff;
  --color-white:        #ffffff;
  --color-table-border:    #dddddd; /* 会社概要テーブルの罫線 */
  --color-table-header-bg: #f9f9f9; /* 会社概要テーブルの見出しセル背景 */
  --color-back-to-top-bg:  #555555; /* トップに戻るバーの背景 */
  --color-error-border:    #e04b4b; /* フォーム入力エラー時のボーダー */
  --color-error-input-bg:  #ffd9d9; /* フォーム入力エラー時の背景色 */
  --color-error-label-bg:  red;     /* エラーメッセージラベルの背景色 */

  /* フォント */
  --font-base: 'メイリオ', meiryo, 'ヒラギノ角ゴ pro w3', 'hiragino kaku gothic pro', sans-serif;

  /* スペーシング */
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 64px;
  --spacing-xl: 96px;

  /* コンテナ幅（Wixオリジナルのコンテンツ幅に合わせる） */
  --container-width: 980px;
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, p, ul, table, th, td {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

table {
  border-collapse: collapse;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.header__inner {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo img {
  height: 45px;
  width: auto;
}

.header__nav-list {
  display: flex;
  align-items: center;
}

.header__nav-link {
  display: block;
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: 12px;
  padding-right: 12px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-text);
  transition: color 0.2s ease;
}

.header__nav-link:hover,
.header__nav-link--current {
  color: var(--color-primary);
}

.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.header__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ========================================
   SECTION HEADING（共通の見出しブロック）
   ======================================== */
.section-heading {
  text-align: center;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.section-heading__title {
  font-size: 42px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.05em;
}

.section-heading__title--red {
  color: var(--color-primary);
}

.section-heading__title--white {
  color: var(--color-white);
}

.section-heading__subtitle {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.05em;
  margin-top: 8px;
}

.section-heading__subtitle--dark {
  color: var(--color-text-mid);
}

.section-heading__subtitle--white {
  color: var(--color-white);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  min-height: 620px;
  display: flex;
  align-items: center;
  background-image: url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero__wrap {
  max-width: var(--container-width);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.hero__box {
  display: inline-block;
  max-width: 520px;
  background-color: var(--color-overlay);
  padding: 40px 48px;
}

.hero__title {
  font-size: 29px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-white);
  margin-top: 0;
}

.hero__title--light {
  font-weight: 400;
  margin-top: 4px;
}

.hero__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-white);
  margin-top: 20px;
}

/* ========================================
   会社概要 (COMPANY PROFILE)
   ======================================== */
.company {
  background-color: var(--color-white);
  padding-bottom: var(--spacing-lg);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.company__table-wrap {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.company__table {
  width: 100%;
  border: 1px solid var(--color-table-border);
  border-collapse: collapse;
  font-size: 16px;
  line-height: 1.6;
}

.company__table th,
.company__table td {
  border: 1px solid var(--color-table-border);
  padding: 20px;
}

.company__table th {
  width: 25%;
  background-color: var(--color-table-header-bg);
  font-weight: 400;
  color: var(--color-text);
  text-align: center;
  vertical-align: middle;
}

.company__table td {
  color: var(--color-text);
  text-align: left;
  vertical-align: middle;
}

/* ========================================
   アクセス方法 (ACCESS / MAP)
   ======================================== */
.access {
  background-color: var(--color-white);
  padding-bottom: var(--spacing-lg);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.access__inner {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

.access__info {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.access__line a {
  color: var(--color-primary);
}

.access__map {
  width: 100%;
  height: 400px;
}

.access__map iframe {
  width: 100%;
  height: 100%;
}

/* ========================================
   THANKS
   ======================================== */
.thanks {
  background-color: var(--color-white);
  padding-bottom: var(--spacing-xl);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.thanks__inner {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.thanks__message {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.thanks__home-link {
  display: inline-block;
  padding: 12px 48px;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--color-text);
  border: 2px solid var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.thanks__home-link:hover {
  background-color: var(--color-text);
  color: var(--color-white);
}

/* ========================================
   取り扱い物件 (PROPERTIES)
   ======================================== */
.properties {
  position: relative;
  width: 100%;
  background-image: url('../img/properties-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.properties::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--color-overlay);
}

.properties__inner {
  position: relative;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.properties__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: var(--spacing-md);
}

.property-card {
  text-align: center;
}

.property-card__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 14px;
}

.property-card__name {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin-bottom: 6px;
}

.property-card__location {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-white);
}

.properties__tel {
  text-align: center;
}

.properties__tel-note {
  font-size: 20px;
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.8;
}

.properties__tel-number {
  font-size: 40px;
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.8;
}

.properties__tel-label {
  font-size: 24px;
  margin-right: 8px;
}

/* ========================================
   DIVIDER
   ======================================== */
.divider {
  width: 100%;
  height: 320px;
  background-image: url('../img/divider-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* ========================================
   お問い合わせ (CONTACT)
   ======================================== */
.contact {
  position: relative;
  background-image: url('../img/contact-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--color-overlay-dark);
}

.contact__inner {
  position: relative;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact__info-box {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 40px;
}

.contact__heading {
  font-size: 42px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.contact__address-label {
  font-size: 20px;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 16px;
}

.contact__address-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-white);
}

.contact__address-body a {
  color: var(--color-white);
}

.contact__access-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 18px;
  color: var(--color-white);
  text-decoration: underline;
}

.contact__form-note {
  font-size: 16px;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

/* Contact Form */
.contact-form__input,
.contact-form__textarea {
  display: block;
  width: 100%;
  padding-top: 12px;
  padding-bottom: 12px;
  padding-left: 14px;
  padding-right: 14px;
  margin-bottom: 14px;
  font-size: 14px;
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  outline: none;
  transition: border-color 0.2s ease;
}

.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--color-text-light);
}

.contact-form__textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form__submit {
  display: block;
  padding-top: 12px;
  padding-bottom: 12px;
  padding-left: 48px;
  padding-right: 48px;
  font-size: 15px;
  font-family: var(--font-base);
  letter-spacing: 0.05em;
  color: var(--color-white);
  background-color: transparent;
  border: 2px solid var(--color-white);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.contact-form__submit:hover {
  background-color: var(--color-white);
  color: var(--color-text);
}

/* jQuery Validateが付与するエラー状態（.errorクラス、labelタグ） */
.contact-form__input.error,
.contact-form__textarea.error {
  border-color: var(--color-error-border);
  background-color: var(--color-error-input-bg);
}

.contact-form label.error {
  display: block;
  color: var(--color-white);
  background-color: var(--color-error-label-bg);
  padding-top: 0;
  padding-bottom: 0;
  padding-left: 1em;
  padding-right: 1em;
  position: relative;
  top: -1em;
  font-size: 13px;
  margin-bottom: 10px;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  background-color: var(--color-back-to-top-bg);
  padding: 24px 20px;
  text-align: center;
}

.back-to-top__link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-white);
  transition: opacity 0.2s ease;
}

.back-to-top__link:hover {
  opacity: 0.7;
}

.back-to-top__icon {
  width: 32px;
  height: auto;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 20px;
  text-align: center;
}

.footer__copyright {
  font-size: 14px;
  color: var(--color-text-mid);
}