/* ==========================================================================
   CSS変数定義（デザインシステム）
   Figmaデザインから抽出したカラー・フォントをここにまとめています。
   ========================================================================== */
:root {
  /* --- 背景カラー --- */
  --color-bg-primary: #F9F7F4;   /* メイン背景（アイボリー） */
  --color-bg-secondary: #F0EBE1; /* セクション背景（アクセント枠） */
  --color-bg-card: #FFFFFF;      /* カード背景 */
  --color-bg-placeholder: #E7E5E4; /* 画像プレースホルダー背景 */

  /* --- テキストカラー --- */
  --color-text-primary: #0D0C0A;        /* 見出し・本文の濃色テキスト */
  --color-text-secondary: #8C8880;      /* 補足・説明文のグレーテキスト */
  --color-text-muted: rgba(13, 12, 10, 0.55); /* 薄いグレーテキスト（メタ情報等） */
  --color-text-inverse: #FFFFFF;        /* 濃色背景上の白文字 */

  /* --- アクセントカラー --- */
  --color-accent: #C4973C;              /* ゴールド系アクセント */
  --color-accent-bg: rgba(196, 151, 60, 0.10); /* アクセントの薄い背景（アイコン等） */

  /* --- ボーダー・区切り線 --- */
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(13, 12, 10, 0.20);

  /* --- フォントファミリー --- */
  --font-heading: 'Shippori Mincho', serif; /* 見出し用（明朝体） */
  --font-body: 'Inter', sans-serif;         /* 本文用 */

  /* --- 角丸 --- */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-full: 999px;

  /* --- レイアウト共通値 --- */
  --content-max-width: 1280px;
  --section-padding-y: 144px;
  --section-padding-x: 40px;

  /* --- ダーク背景セクション用 --- */
  --color-bg-dark: #0D0C0A;
  --color-overlay-dark-35: rgba(0, 0, 0, 0.35);
  --color-overlay-dark-65: rgba(0, 0, 0, 0.65);
  --color-overlay-dark-70: rgba(0, 0, 0, 0.70);
  --color-white-70: rgba(255, 255, 255, 0.70);
  --color-white-55: rgba(255, 255, 255, 0.55);
  --color-white-45: rgba(255, 255, 255, 0.45);
  --color-white-40: rgba(255, 255, 255, 0.40);
  --color-white-35: rgba(255, 255, 255, 0.35);
  --color-white-30: rgba(255, 255, 255, 0.30);
  --color-white-20: rgba(255, 255, 255, 0.20);
  --color-white-15: rgba(255, 255, 255, 0.15);
  --color-white-10: rgba(255, 255, 255, 0.10);

  /* --- ブランドカラー（連絡先アイコン） --- */
  --color-whatsapp: #25D366;
  --color-facebook: #1877F2;
  --color-linkedin: #0A66C2;
}

/* ==========================================================================
   リセットCSS
   ブラウザ間の見た目のばらつきをなくし、box-sizingを統一します。
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100dvh;
  line-height: 1.5;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

ul,
ol {
  list-style: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ==========================================================================
   Header - Our Story セクション
   figma-assets/header-code.txt を元にコーディング（不要なdivは整理し、
   BEM命名規則でクラス付け／Flexboxで組み直しています）。
   ========================================================================== */
.story {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-bg-primary);
}

.story__container {
  display: flex;
  align-items: flex-start;
  gap: 64px;
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.story__media {
  flex-shrink: 0;
  width: 541px;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.story__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.story__content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 519px;
}

.story__eyebrow {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  line-height: 15px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.story__heading {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 600;
  line-height: 48px;
  color: var(--color-text-primary);
}

.story__intro {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 24px;
  color: var(--color-text-secondary);
}

.story__timeline {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.story__timeline-item {
  padding-left: 20px;
  border-left: 2px solid var(--color-accent);
}

.story__timeline-title {
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
  color: var(--color-text-primary);
}

.story__timeline-text {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  color: var(--color-text-secondary);
}

.story__quote {
  padding: 24px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.story__quote p {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 500;
  line-height: 24px;
  color: var(--color-text-primary);
}

.story__cta {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  transition: opacity 0.2s ease;
}

.story__cta:hover,
.story__cta:focus-visible {
  opacity: 0.85;
}

.story__cta-icon {
  flex-shrink: 0;
}

/* --- レスポンシブ対応 --- */
@media (max-width: 960px) {
  .story__container {
    flex-direction: column;
  }

  .story__media,
  .story__content {
    width: 100%;
    max-width: 100%;
  }
}

/* ==========================================================================
   共通パーツ（ボタン／ラベル／アイコン）
   ========================================================================== */
.eyebrow,
.story__eyebrow,
.offer__eyebrow,
.why__eyebrow,
.gallery__eyebrow,
.testimonials__eyebrow,
.faq__eyebrow,
.contact__eyebrow {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  line-height: 15px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.button--solid {
  background-color: #fff;
  color: var(--color-text-primary);
}

.button--solid:hover,
.button--solid:focus-visible {
  opacity: 0.85;
}

.button--outline {
  color: #fff;
  border: 1px solid var(--color-white-30);
}

.button--outline:hover,
.button--outline:focus-visible {
  background-color: var(--color-white-10);
}

.icon-arrow,
.icon-chevron,
.icon-meta,
.icon-chevron-down {
  flex-shrink: 0;
}

/* ==========================================================================
   Site Header（ナビゲーション + ヒーロー）
   ========================================================================== */
.site-header {
  background-color: var(--color-bg-dark);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding: 24px var(--section-padding-x);
}

.nav__logo img {
  display: block;
  height: 40px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__menu a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.35px;
  color: var(--color-white-70);
  transition: color 0.2s ease;
}

.nav__menu a:hover,
.nav__menu a:focus-visible {
  color: #fff;
}

.nav__cta {
  padding: 10px 24px;
  border: 1px solid var(--color-white-30);
  border-radius: var(--radius-full);
  color: #fff;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}

.nav__cta:hover,
.nav__cta:focus-visible {
  background-color: var(--color-white-10);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 896px;
  margin-inline: auto;
  padding: 96px var(--section-padding-x) 80px;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__heading {
  padding-top: 24px;
  max-width: 848px;
  font-family: var(--font-heading);
  font-size: 72px;
  font-weight: 600;
  line-height: 1.1;
  color: #fff;
}

.hero__text {
  padding-top: 24px;
  max-width: 576px;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 29px;
  color: var(--color-white-70);
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding-top: 40px;
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 96px;
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 2.25px;
  text-transform: uppercase;
  color: var(--color-white-40);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background-color: var(--color-white-20);
}

/* ==========================================================================
   What We Offer
   ========================================================================== */
.offer {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-bg-primary);
}

.offer__container {
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.offer__intro-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}

.offer__heading {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 600;
  line-height: 60px;
  color: var(--color-text-primary);
}

.offer__intro-text {
  max-width: 384px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22.75px;
  color: var(--color-text-secondary);
}

.offer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 80px;
}

.card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.card__media {
  height: 248px;
  background-color: var(--color-bg-placeholder);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__media--placeholder {
  background-color: var(--color-bg-placeholder);
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 32px;
}

.card__title {
  padding-bottom: 12px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  line-height: 27.5px;
  color: var(--color-text-primary);
}

.card__text {
  flex: 1;
  padding-bottom: 24px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22.75px;
  color: var(--color-text-secondary);
}

.card__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 24px;
}

.card__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-muted);
}

.icon-meta {
  width: 12px;
  height: 12px;
  color: var(--color-accent);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--color-border-strong);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.icon-chevron {
  width: 13px;
  height: 13px;
}

/* ==========================================================================
   Why Choose Us
   ========================================================================== */
.why {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-bg-secondary);
}

.why__container {
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.why__heading {
  max-width: 672px;
  padding-top: 16px;
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 600;
  line-height: 60px;
  color: var(--color-text-primary);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  padding-top: 80px;
}

.why__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  background-color: var(--color-accent-bg);
  color: var(--color-accent);
  border-radius: 20px;
}

.why__item-title {
  padding-bottom: 8px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  line-height: 22px;
  color: var(--color-text-primary);
}

.why__item-text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22.75px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-bg-primary);
}

.gallery__container {
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.gallery__heading {
  padding-top: 16px;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 600;
  line-height: 45px;
  color: var(--color-text-primary);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 260px 260px;
  gap: 16px;
  padding-top: 64px;
}

.gallery__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-placeholder);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery__item--tall-left {
  grid-row: 1 / 3;
}

.gallery__item--tall-right {
  grid-column: 3;
  grid-row: 1 / 3;
}

/* ==========================================================================
   Guest Stories（testimonials）
   ========================================================================== */
.testimonials {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-bg-dark);
}

.testimonials__container {
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.testimonials__heading {
  padding-top: 16px;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 600;
  line-height: 45px;
  color: #fff;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 64px;
}

.testimonial {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--color-white-10);
  border-radius: var(--radius-md);
}

.testimonial__stars {
  display: flex;
  gap: 4px;
  color: var(--color-accent);
}

.testimonial__quote {
  flex: 1;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22.75px;
  color: var(--color-white-70);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-white-10);
}

.testimonial__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.testimonial__name {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

.testimonial__country {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-white-45);
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-bg-primary);
}

.faq__container {
  max-width: 768px;
  margin-inline: auto;
}

.faq__heading {
  padding-top: 16px;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 600;
  line-height: 45px;
  color: var(--color-text-primary);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 64px;
}

.faq__item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.icon-chevron-down {
  width: 16px;
  height: 16px;
  color: var(--color-text-secondary);
  transition: transform 0.2s ease;
}

.faq__item[open] .icon-chevron-down,
.faq__item details[open] .icon-chevron-down {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 24px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22px;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact {
  padding: 96px var(--section-padding-x);
  background-color: #fff;
}

.contact__container {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 1200px;
  margin-inline: auto;
}

.contact__heading {
  max-width: 512px;
  padding-top: 16px;
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 600;
  line-height: 60px;
  color: var(--color-text-primary);
}

.contact__sub {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact__sub-heading {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 600;
  line-height: 48px;
  color: var(--color-text-primary);
}

.contact__sub-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
  color: var(--color-text-secondary);
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 14px 28px -10px rgba(0, 0, 0, 0.07);
}

.contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--brand-color);
  border-radius: 16px;
}

.contact-card__title {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.contact-card__text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 20px;
  color: var(--color-text-secondary);
}

.contact-card__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 18px;
  background-color: var(--brand-color);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-top: auto;
  transition: opacity 0.2s ease;
}

.contact-card__button:hover,
.contact-card__button:focus-visible {
  opacity: 0.9;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 64px var(--section-padding-x);
  background-color: var(--color-bg-dark);
}

.footer__container {
  max-width: var(--content-max-width);
  margin-inline: auto;
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 48px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 320px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  line-height: 28px;
  color: #fff;
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 19.5px;
  color: var(--color-white-40);
}

.footer__columns {
  display: flex;
  gap: 64px;
}

.footer__column-title {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-white-35);
}

.footer__column ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
}

.footer__column a {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-white-55);
  transition: color 0.2s ease;
}

.footer__column a:hover,
.footer__column a:focus-visible {
  color: #fff;
}

.footer__social {
  flex-direction: row !important;
  gap: 12px !important;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-white-15);
  border-radius: var(--radius-full);
  color: var(--color-white-45);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-top: 48px;
  margin-top: 32px;
  border-top: 1px solid var(--color-white-10);
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-white-30);
}

.footer__legal {
  display: flex;
  gap: 24px;
}

.footer__legal a {
  color: var(--color-white-35);
}

.footer__legal a:hover,
.footer__legal a:focus-visible {
  color: #fff;
}

/* ==========================================================================
   レスポンシブ対応（各セクション共通）
   ========================================================================== */
@media (max-width: 1024px) {
  .offer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why__grid {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery__item--tall-right {
    grid-column: 2;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav__menu {
    display: none;
  }

  .hero__heading {
    font-size: 44px;
  }

  .offer__grid {
    grid-template-columns: 1fr;
  }

  .why__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery__grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .gallery__item--tall-left,
  .gallery__item--tall-right {
    grid-row: auto;
    grid-column: auto;
  }

  .footer__top {
    flex-direction: column;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }
}