/* ==========================================================================
   K2 STUDIO JAPAN — 南国植物専門サイト
   白・黒・ダークグリーンを基調とした高級感ある南国リゾート風デザイン
   ========================================================================== */

:root {
  --color-black: #0b0f0d;
  --color-dark-green: #10261d;
  --color-dark-green-2: #163325;
  --color-accent-green: #3f6b4e;
  --color-gold: #c9a86a;
  --color-white: #ffffff;
  --color-off-white: #f7f6f2;
  --color-gray-100: #f1efe9;
  --color-gray-300: #d8d4cb;
  --color-gray-500: #8a8578;
  --color-gray-700: #46443c;
  --color-text: #1c1f1c;

  --font-serif: 'Shippori Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;

  --container-width: 1180px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --shadow-soft: 0 12px 30px rgba(11, 15, 13, 0.12);
  --shadow-hard: 0 20px 50px rgba(11, 15, 13, 0.25);
  --transition-base: 0.25s ease;
}

/* ---------- Reset & Base ---------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-off-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  margin: 0;
  color: var(--color-black);
  line-height: 1.4;
}

p {
  margin: 0;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-dark-green);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 2000;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Layout helpers ---------- */
.section {
  padding: 64px 20px;
}

.section--alt {
  background: var(--color-gray-100);
}

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

.section__inner--narrow {
  max-width: 780px;
}

.section__eyebrow {
  display: block;
  text-align: center;
  font-family: var(--font-serif);
  letter-spacing: 0.12em;
  color: var(--color-gold);
  font-size: 0.85rem;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section__eyebrow--light {
  color: var(--color-gold);
}

.section__title {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-bottom: 40px;
  position: relative;
}

.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-gold);
  margin: 16px auto 0;
}

.section__title--light {
  color: var(--color-white);
}

.section__more {
  text-align: center;
  margin-top: 36px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 4px;
  transition: opacity var(--transition-base);
}
.link-more:hover {
  opacity: 0.6;
}
.link-more--light {
  color: var(--color-white);
  border-bottom-color: var(--color-white);
}

.lead-text {
  font-size: 1.05rem;
  line-height: 2;
  text-align: center;
}

.section-note {
  background: var(--color-gray-100);
  border-left: 3px solid var(--color-gold);
  padding: 16px 20px;
  font-size: 0.92rem;
  color: var(--color-gray-700);
  margin-bottom: 32px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border-radius: var(--radius-sm);
}
.section-note i {
  color: var(--color-gold);
  margin-top: 2px;
}

.notice-box {
  background: var(--color-dark-green);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.notice-box i {
  color: var(--color-gold);
  font-size: 1.3rem;
  margin-top: 2px;
}
.notice-box p {
  line-height: 1.9;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 13, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(201, 168, 106, 0.25);
}

.site-header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
}

.site-header__logo-mark {
  color: var(--color-gold);
  font-size: 1.4rem;
}

.site-header__logo-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-header__logo-accent {
  color: var(--color-gold);
}

.site-header__toggle {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.4rem;
  display: none;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.site-nav__link {
  display: inline-block;
  padding: 10px 12px;
  color: var(--color-gray-300);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background var(--transition-base);
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-white);
  background: rgba(201, 168, 106, 0.16);
}

/* ---------- Nav "その他" dropdown/accordion ---------- */
.site-nav__more {
  position: relative;
}

.site-nav__more-details > summary.site-nav__more-summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-nav__more-details > summary::-webkit-details-marker {
  display: none;
}

.site-nav__more-chevron {
  font-size: 0.7rem;
  transition: transform var(--transition-base);
}

.site-nav__more-details[open] .site-nav__more-chevron {
  transform: rotate(180deg);
}

.site-nav__more-list {
  display: none;
}

/* デスクトップ: hoverでドロップダウン表示 */
@media (min-width: 901px) {
  .site-nav__more-details[open] .site-nav__more-list,
  .site-nav__more:hover .site-nav__more-list {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 220px;
    background: var(--color-black);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-hard);
    padding: 8px;
    z-index: 20;
  }

  .site-nav__more-list .site-nav__link {
    display: block;
    white-space: nowrap;
  }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 900px) {
  .site-header__toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--color-black);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: 90px 24px 24px;
    overflow-y: auto;
    box-shadow: var(--shadow-hard);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    gap: 4px;
  }

  .site-nav__link {
    display: block;
    padding: 14px 10px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  /* モバイルでは「その他」をアコーディオンとして展開表示 */
  .site-nav__more-list {
    display: block;
    padding-left: 14px;
    border-left: 2px solid rgba(201, 168, 106, 0.3);
  }
}

/* ---------- CTA Buttons ---------- */
.cta-buttons {
  margin-top: 28px;
}

.cta-buttons__title {
  text-align: center;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-white);
}

.cta-buttons__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base);
  white-space: nowrap;
}

.cta-btn:hover {
  transform: translateY(-2px);
}

.cta-btn--primary {
  background: var(--color-gold);
  color: var(--color-black);
  box-shadow: 0 8px 18px rgba(201, 168, 106, 0.35);
}

.cta-btn--secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.cta-btn--instagram {
  background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af, #515bd4);
  color: var(--color-white);
}

.cta-btn--small {
  padding: 10px 16px;
  font-size: 0.82rem;
}

.cta-buttons--compact .cta-buttons__row {
  justify-content: flex-start;
}

/* CTA on light background (needs dark text variant) */
.section:not(.cta-section):not(.hero):not(.page-hero) .cta-btn--secondary,
.section--alt .cta-btn--secondary {
  color: var(--color-black);
  border-color: rgba(11, 15, 13, 0.4);
}

/* ---------- CTA Section (dark) ---------- */
.cta-section {
  background: var(--color-dark-green);
  background-image: linear-gradient(160deg, var(--color-dark-green) 0%, var(--color-black) 100%);
}

.cta-section__inner {
  text-align: center;
}

.cta-section__title {
  color: var(--color-white);
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  margin-bottom: 16px;
}

.cta-section__desc {
  color: var(--color-gray-300);
  margin-bottom: 8px;
  line-height: 1.9;
}

/* ---------- Hero (Home) ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero__image-wrap {
  position: absolute;
  inset: 0;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 15, 13, 0.55) 0%,
    rgba(11, 15, 13, 0.55) 40%,
    rgba(11, 15, 13, 0.85) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.hero__eyebrow {
  color: var(--color-gold);
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.hero__title {
  color: var(--color-white);
  font-size: clamp(2.2rem, 7vw, 3.6rem);
  margin-bottom: 22px;
}

.hero__lead {
  max-width: 540px;
  font-size: 1.02rem;
  line-height: 2;
  color: var(--color-gray-300);
}

/* ---------- Page Hero (sub pages) ---------- */
.page-hero {
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}

.page-hero--compact {
  min-height: 38vh;
}

.page-hero__image-wrap {
  position: absolute;
  inset: 0;
}

.page-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 13, 0.55) 0%, rgba(11, 15, 13, 0.82) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.page-hero__eyebrow {
  color: var(--color-gold);
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-hero__title {
  color: var(--color-white);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  margin-bottom: 12px;
}

.page-hero__lead {
  color: var(--color-gray-300);
  max-width: 560px;
  line-height: 1.9;
}

/* ---------- Strengths (Home) ---------- */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.strength-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base);
}

.strength-card:hover {
  transform: translateY(-4px);
}

.strength-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-dark-green);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.strength-card__title {
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.strength-card__desc {
  font-size: 0.88rem;
  color: var(--color-gray-700);
  line-height: 1.8;
}

/* ---------- Targets ---------- */
.targets-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.targets-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
}

.targets-list li i {
  color: var(--color-accent-green);
}

/* ---------- Products grid (Home preview) ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 18px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base);
  display: block;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-card__image-wrap {
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__name {
  font-size: 0.95rem;
  padding: 12px 12px 2px;
}

.product-card__sci {
  font-size: 0.72rem;
  color: var(--color-gray-500);
  padding: 0 12px 14px;
  font-style: italic;
}

/* ---------- Cases preview (Home, dark) ---------- */
.cases-preview--dark {
  background: var(--color-black);
  background-image: linear-gradient(180deg, var(--color-black) 0%, var(--color-dark-green) 100%);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.case-card {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  transition: transform var(--transition-base);
}

.case-card:hover {
  transform: translateY(-4px);
}

.case-card__image-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.case-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card__category {
  color: var(--color-gold);
  font-size: 0.75rem;
  padding: 14px 16px 0;
  letter-spacing: 0.06em;
}

.case-card__title {
  color: var(--color-white);
  font-size: 1rem;
  padding: 6px 16px 18px;
}

/* ---------- About page ---------- */
.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.about-mission-card {
  background: var(--color-white);
  padding: 28px 22px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.about-mission-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-dark-green);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.about-mission-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.about-mission-card p {
  font-size: 0.88rem;
  color: var(--color-gray-700);
  line-height: 1.8;
}

.value-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-gray-300);
  font-size: 0.95rem;
}

.value-list li i {
  color: var(--color-accent-green);
  margin-top: 4px;
}

/* ---------- Products page ---------- */
.products-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-detail-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.product-detail-card__image-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.product-detail-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-detail-card__name {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.product-detail-card__sci {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--color-gray-500);
  margin-bottom: 10px;
}

.product-detail-card__catch {
  font-weight: 700;
  color: var(--color-accent-green);
  margin-bottom: 10px;
  font-size: 0.92rem;
}

.product-detail-card__desc {
  font-size: 0.88rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: 14px;
}

.product-detail-card__points {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.product-detail-card__points li {
  font-size: 0.82rem;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.product-detail-card__points i {
  color: var(--color-accent-green);
  margin-top: 3px;
}

.product-detail-card__size {
  font-size: 0.78rem;
  color: var(--color-gray-500);
  margin-bottom: 16px;
}

.product-detail-card__cta {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.other-product-note {
  margin-top: 48px;
  background: var(--color-dark-green);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
}

.other-product-note h2 {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.other-product-note p {
  color: var(--color-gray-300);
  line-height: 1.9;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Delivery page ---------- */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
}

.flow-step {
  text-align: center;
  position: relative;
}

.flow-step__number {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-gray-300);
  margin-bottom: 8px;
}

.flow-step__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-gold);
  color: var(--color-dark-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.flow-step__title {
  font-size: 0.98rem;
  margin-bottom: 8px;
}

.flow-step__desc {
  font-size: 0.82rem;
  color: var(--color-gray-700);
  line-height: 1.7;
}

.flow-steps--vertical {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 680px;
  margin: 0 auto;
}

.flow-step--vertical {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  text-align: left;
}

.flow-step--vertical .flow-step__icon {
  flex-shrink: 0;
  margin: 0;
}

.flow-step--vertical .flow-step__number {
  display: none;
}

.delivery-images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.delivery-image-card {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: var(--color-white);
}

.delivery-image-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.delivery-image-card figcaption {
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
}

/* ---------- Cases page ---------- */
.cases-detail-grid {
  display: grid;
  gap: 28px;
}

.case-detail-card {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

@media (min-width: 768px) {
  .case-detail-card {
    grid-template-columns: 42% 1fr;
  }
}

.case-detail-card__image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.case-detail-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-detail-card__category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 15, 13, 0.75);
  color: var(--color-gold);
  font-size: 0.72rem;
  padding: 6px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.case-detail-card__body {
  padding: 24px;
}

.case-detail-card__title {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.case-detail-card__location {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-detail-card__summary {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: 16px;
}

.case-detail-card__process {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-detail-card__process li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  background: var(--color-gray-100);
  padding: 6px 12px;
  border-radius: 999px;
}

.case-detail-card__process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-dark-green);
  color: var(--color-white);
  font-size: 0.65rem;
}

/* ---------- FAQ ---------- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-item__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question i:first-child {
  color: var(--color-gold);
}

.faq-item__question span {
  flex: 1;
}

.faq-item__chevron {
  transition: transform var(--transition-base);
  color: var(--color-gray-500);
}

.faq-item[open] .faq-item__chevron {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding: 0 20px 20px 52px;
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.9;
}

/* ---------- Contact page ---------- */
.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.contact-channel-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base);
}

.contact-channel-card:hover {
  transform: translateY(-4px);
}

.contact-channel-card i {
  font-size: 2rem;
  color: var(--color-dark-green);
  margin-bottom: 14px;
}

.contact-channel-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.contact-channel-card p {
  font-size: 0.85rem;
  color: var(--color-gray-700);
  line-height: 1.7;
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-weight: 700;
  font-size: 0.9rem;
}

.required {
  color: #b5433a;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid #b5433a;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 4px;
}

.form-row input,
.form-row select,
.form-row textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-off-white);
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent-green);
}

.contact-form__submit {
  align-self: center;
  border: none;
  margin-top: 8px;
}

.contact-form__result {
  text-align: center;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-file-input {
  padding: 10px 12px !important;
  background: var(--color-off-white);
  cursor: pointer;
}

.form-row__hint {
  font-size: 0.78rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ---------- Thanks page ---------- */
.thanks-box {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.thanks-box__icon {
  font-size: 3rem;
  color: var(--color-accent-green);
}

.thanks-box__text {
  font-size: 1.1rem;
  line-height: 1.9;
  font-weight: 500;
}

.thanks-box__note {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  line-height: 1.8;
}

.thanks-box__back {
  margin-top: 12px;
}

/* ---------- Company page ---------- */
.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 16px;
  border-bottom: 1px solid var(--color-gray-300);
  text-align: left;
  font-size: 0.92rem;
  vertical-align: top;
}

.company-table th {
  width: 30%;
  color: var(--color-gray-500);
  font-weight: 700;
  white-space: nowrap;
}

.company-map-placeholder {
  background: var(--color-white);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-md);
  padding: 60px 20px;
  text-align: center;
  color: var(--color-gray-500);
}

.company-map-placeholder i {
  font-size: 2.4rem;
  margin-bottom: 14px;
  color: var(--color-gray-300);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-black);
  color: var(--color-gray-300);
  padding: 56px 20px 0;
}

.site-footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr;
  }
}

.site-footer__logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-white);
  margin-bottom: 14px;
}

.site-footer__logo-accent {
  color: var(--color-gold);
}

.site-footer__desc {
  font-size: 0.85rem;
  line-height: 1.9;
  margin-bottom: 18px;
}

.site-footer__social {
  display: flex;
  gap: 14px;
  font-size: 1.3rem;
}

.site-footer__social a {
  color: var(--color-gray-300);
  transition: color var(--transition-base);
}
.site-footer__social a:hover {
  color: var(--color-gold);
}

.site-footer__nav ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.site-footer__nav a {
  font-size: 0.85rem;
  color: var(--color-gray-300);
  transition: color var(--transition-base);
}

.site-footer__nav a:hover {
  color: var(--color-gold);
}

.site-footer__bottom {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* ---------- Mobile fixed CTA ---------- */
.mobile-fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--color-gold);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

@media (min-width: 900px) {
  .mobile-fixed-cta {
    display: none;
  }

  /* leave breathing room at page bottom on mobile only */
  body {
    padding-bottom: 0;
  }
}

@media (max-width: 899px) {
  body {
    padding-bottom: 58px;
  }
}

.mobile-fixed-cta.is-hidden {
  transform: translateY(100%);
}

/* ---------- LINE floating button (画面右下固定) ---------- */
.line-floating-btn {
  position: fixed;
  right: 20px;
  bottom: 90px;
  z-index: 950;
  background: #06c755;
  color: #ffffff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: var(--shadow-hard);
  transition: transform var(--transition-base);
  text-decoration: none;
}

.line-floating-btn:hover {
  transform: scale(1.08);
}

.line-floating-btn i {
  font-size: 1.5rem;
}

.line-floating-btn__label {
  font-size: 0.55rem;
  font-weight: 700;
  line-height: 1;
}

@media (min-width: 900px) {
  .line-floating-btn {
    bottom: 30px;
    width: 64px;
    height: 64px;
  }
  .line-floating-btn i {
    font-size: 1.7rem;
  }
  .line-floating-btn__label {
    font-size: 0.6rem;
  }
}

/* ---------- Utility responsiveness ---------- */
@media (max-width: 480px) {
  .section {
    padding: 48px 16px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .cta-buttons__row {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-btn {
    justify-content: center;
  }
}

/* ---------- Areas (地域SEOページ) ---------- */
.suitability-badge {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-top: 20px;
  box-shadow: var(--shadow-soft);
}

.suitability-badge i {
  font-size: 1.6rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.suitability-badge__title {
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 1rem;
}

.suitability-badge__message {
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--color-gray-700);
}

.suitability-badge--ok {
  background: rgba(46, 125, 89, 0.08);
  border: 1px solid rgba(46, 125, 89, 0.25);
}
.suitability-badge--ok i {
  color: #2e7d59;
}

.suitability-badge--caution {
  background: rgba(201, 168, 106, 0.1);
  border: 1px solid rgba(201, 168, 106, 0.35);
}
.suitability-badge--caution i {
  color: var(--color-gold);
}

.suitability-badge--difficult {
  background: rgba(181, 67, 58, 0.08);
  border: 1px solid rgba(181, 67, 58, 0.3);
}
.suitability-badge--difficult i {
  color: #b5433a;
}

.areas-product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

@media (min-width: 768px) {
  .areas-product-grid {
    grid-template-columns: 40% 1fr;
  }
}

.areas-product-grid__image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.areas-product-grid__sci {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-bottom: 8px;
}

.areas-product-grid__catch {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.areas-product-grid__desc {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-gray-700);
  margin-bottom: 14px;
}

.areas-product-grid__size {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--color-gray-500);
  display: flex;
  gap: 8px;
  align-items: center;
}

.areas-cta-line {
  margin-top: 16px;
  text-align: center;
}

/* ---------- Voice (お客様の声) ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.testimonial-card__rating {
  color: var(--color-gold);
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.testimonial-card__comment {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-gray-700);
  margin-bottom: 16px;
}

.testimonial-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.testimonial-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--color-gray-500);
  border-top: 1px solid var(--color-gray-300);
  padding-top: 10px;
}

/* ---------- Cases map (納品実績マップ) ---------- */
.cases-map-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.cases-map-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cases-map-item__name {
  font-weight: 700;
}

.cases-map-item__count {
  background: var(--color-dark-green);
  color: var(--color-white);
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 999px;
}

.cases-map-note {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-top: 20px;
}

/* ---------- Blog (ブログ一覧・詳細) ---------- */
.blog-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.blog-tab {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  transition: background var(--transition-base), color var(--transition-base);
}

.blog-tab:hover,
.blog-tab--active {
  background: var(--color-dark-green);
  color: var(--color-white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: block;
  transition: transform var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.blog-card__body {
  padding: 18px 20px;
}

.blog-card__type {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--color-gold);
  background: rgba(201, 168, 106, 0.12);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.blog-card__title {
  font-size: 1.02rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.blog-card__excerpt {
  font-size: 0.85rem;
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: 10px;
}

.blog-card__date {
  font-size: 0.76rem;
  color: var(--color-gray-500);
}

.blog-detail__cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.blog-detail__meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-bottom: 18px;
}

.blog-detail__content {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-gray-800);
}

.blog-detail__content img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  margin: 16px 0;
}

.blog-detail__content p {
  margin-bottom: 1.2em;
}

.blog-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-gray-500);
}

/* ---------- Business (業者様専用ページ) ---------- */
.business-benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.business-benefit-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  box-shadow: var(--shadow-soft);
}

.business-benefit-card i {
  font-size: 1.6rem;
  color: var(--color-dark-green);
  margin-bottom: 12px;
}

.business-benefit-card h3 {
  font-size: 0.98rem;
  margin-bottom: 8px;
}

.business-benefit-card p {
  font-size: 0.85rem;
  color: var(--color-gray-700);
  line-height: 1.75;
}

/* ---------- Instagram section ---------- */
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}

.instagram-grid__item {
  position: relative;
  display: block;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.instagram-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.instagram-grid__item:hover img {
  transform: scale(1.05);
}

.instagram-grid__item::after {
  content: '\f16d';
  font-family: 'Font Awesome 6 Brands';
  position: absolute;
  bottom: 8px;
  right: 8px;
  color: #fff;
  font-size: 1.1rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ---------- Not-found / preparing page ---------- */
#areas-not-found,
.page-not-found {
  min-height: 40vh;
}

/* ---------- Turnstile widget spacing ---------- */
.turnstile-wrap {
  margin: 16px 0;
}