/* ======================================
   一般社団法人 ヒュッゲ美育協会
   メインスタイルシート
   ====================================== */

/* CSS Variables */
:root {
  --color-primary: #d4a5a5;
  --color-primary-dark: #c08e8e;
  --color-accent: #e8c4c4;
  --color-text: #3d3d3d;
  --color-text-light: #6b6b6b;
  --color-heading: #4a4a4a;
  --color-bg: #fdfcfb;
  --color-bg-alt: #f9f6f4;
  --color-white: #ffffff;
  --color-border: #e8e4e1;
  --color-border-light: #f0ebe8;
  --font-family-base: "Noto Sans JP", "Hiragino Sans", "Meiryo", sans-serif;
  --font-family-accent: "Noto Serif JP", "Yu Mincho", serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --max-width: 1100px;
  --border-radius: 6px;
  --transition-base: 0.2s ease;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-text);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-accent);
  color: var(--color-heading);
  font-weight: 500;
  line-height: 1.5;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ======================================
   Header
   ====================================== */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header__logo-image {
  width: 50px;
  height: auto;
}

.header__logo-text {
  font-family: var(--font-family-accent);
  font-size: 1rem;
  color: var(--color-heading);
  font-weight: 500;
}

.header__logo-text small {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-light);
  font-family: var(--font-family-base);
  letter-spacing: 0.02em;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  gap: var(--spacing-xs);
}

.nav__link {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  background-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

/* Mobile Menu Button */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-xs);
  cursor: pointer;
}

.nav__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: absolute;
  left: 0;
}

.nav__toggle-icon::before {
  top: -7px;
}

.nav__toggle-icon::after {
  top: 7px;
}

/* ======================================
   Hero Section
   ====================================== */
.hero {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-white) 100%);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.hero__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero__logo {
  width: 120px;
  height: auto;
  margin: 0 auto var(--spacing-lg);
}

.hero__title {
  font-size: 1.75rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.hero__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-lg);
}

.hero__message {
  font-size: 1.125rem;
  line-height: 2;
  color: var(--color-text);
}

/* ======================================
   Page Header
   ====================================== */
.page-header {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-white) 100%);
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border-light);
}

.page-header__title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.page-header__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* ======================================
   Section Heading
   ====================================== */
.section-heading {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-heading__title {
  font-size: 1.375rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  position: relative;
  display: inline-block;
}

.section-heading__title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
  margin: var(--spacing-sm) auto 0;
}

.section-heading__subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ======================================
   Content Heading (Left-aligned)
   ====================================== */
.content-heading {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.content-heading__title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-white);
}

/* ======================================
   Value Cards (HYGGE)
   ====================================== */
.value-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.value-card {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
}

.value-card__letter {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.value-card__english {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

.value-card__japanese {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-top: var(--spacing-xs);
  font-weight: 500;
}

/* ======================================
   News List
   ====================================== */
.news-list {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-md);
}

.news-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-item:first-child {
  padding-top: 0;
}

.news-item__date {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-right: var(--spacing-sm);
}

.news-item__text {
  font-size: 0.9375rem;
}

/* ======================================
   Profile Section
   ====================================== */
.profile-card {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.profile-card:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.profile-card__image {
  flex-shrink: 0;
  width: 180px;
}

.profile-card__image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  object-fit: cover;
}

.profile-card__content {
  flex: 1;
}

.profile-card__role {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.profile-card__role-en {
  font-style: italic;
  margin-left: var(--spacing-sm);
}

.profile-card__name {
  font-size: 1.375rem;
  margin-bottom: var(--spacing-sm);
}

.profile-card__name-en {
  font-size: 0.9rem;
  font-weight: normal;
  color: var(--color-text-light);
  margin-left: var(--spacing-sm);
}

.profile-card__description {
  margin-bottom: var(--spacing-md);
}

.profile-card__qualifications {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-md);
}

.profile-card__qualifications-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-heading);
}

.profile-card__qualifications-list {
  font-size: 0.875rem;
  line-height: 1.8;
}

.profile-card__qualifications-list li::before {
  content: "●";
  color: var(--color-primary);
  margin-right: var(--spacing-xs);
  font-size: 0.7rem;
}

/* ======================================
   Supporters List
   ====================================== */
.supporters-section {
  margin-bottom: var(--spacing-xl);
}

.supporters-list {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg);
}

.supporter-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.supporter-item:last-child {
  border-bottom: none;
}

.supporter-item__name {
  font-weight: 600;
  color: var(--color-heading);
  margin-right: var(--spacing-sm);
}

.supporter-item__title {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ======================================
   Concept Cards
   ====================================== */
.concept-block {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.concept-block:last-child {
  margin-bottom: 0;
}

.concept-block__keyword {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-heading);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.concept-block__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.concept-block__list {
  font-size: 0.9375rem;
}

.concept-block__list li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
}

.concept-block__list li::before {
  content: "◆";
  color: var(--color-primary);
  font-size: 0.7rem;
  position: absolute;
  left: 0;
  top: 0.6rem;
}

/* ======================================
   Business Section
   ====================================== */
.business-item {
  margin-bottom: var(--spacing-xl);
}

.business-item:last-child {
  margin-bottom: 0;
}

.business-item__description {
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem;
}

.business-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.business-gallery__item {
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4/5;
}

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

.business-gallery__item--landscape {
  aspect-ratio: 5/4;
}

/* ======================================
   Contact Section
   ====================================== */
.contact-info {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-xl);
  max-width: 600px;
  margin: 0 auto;
}

.contact-info__item {
  margin-bottom: var(--spacing-md);
}

.contact-info__item:last-child {
  margin-bottom: 0;
}

.contact-info__label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.contact-info__value {
  font-size: 1rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  margin-top: var(--spacing-md);
  transition: background-color var(--transition-base);
}

.contact-link:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

/* ======================================
   Message Box (Greeting)
   ====================================== */
.message-box {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.message-box__text {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: var(--spacing-md);
}

.message-box__text:last-child {
  margin-bottom: 0;
}

.message-box__signature {
  text-align: right;
  margin-top: var(--spacing-lg);
  font-size: 0.9375rem;
}

/* ======================================
   Quote Box
   ====================================== */
.quote-box {
  background-color: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-size: 1rem;
  line-height: 2;
}

/* ======================================
   Footer
   ====================================== */
.footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: center;
}

.footer__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer__logo-image {
  width: 40px;
  height: auto;
}

.footer__logo-text {
  font-family: var(--font-family-accent);
  font-size: 0.9rem;
  color: var(--color-heading);
}

.footer__nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer__nav-link {
  font-size: 0.875rem;
  color: var(--color-text);
}

.footer__nav-link:hover {
  color: var(--color-primary-dark);
}

.footer__social {
  margin-bottom: var(--spacing-lg);
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

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

.footer__copyright {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ======================================
   Image Gallery (Generic)
   ====================================== */
.image-gallery {
  display: grid;
  gap: var(--spacing-sm);
}

.image-gallery--3col {
  grid-template-columns: repeat(3, 1fr);
}

.image-gallery--4col {
  grid-template-columns: repeat(4, 1fr);
}

.image-gallery--5col {
  grid-template-columns: repeat(5, 1fr);
}

.image-gallery__item {
  border-radius: var(--border-radius);
  overflow: hidden;
}

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

/* ======================================
   Magazine Promo
   ====================================== */
.magazine-promo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.magazine-promo__content {
  flex: 1;
  max-width: 500px;
}

.magazine-promo__label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.magazine-promo__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.magazine-promo__description {
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.magazine-promo__link {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-base);
}

.magazine-promo__link:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.magazine-promo__qr {
  text-align: center;
  flex-shrink: 0;
}

.magazine-promo__qr-code {
  width: 150px;
  height: 150px;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: var(--spacing-sm);
}

.magazine-promo__qr-text {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ======================================
   Book Promo
   ====================================== */
.book-promo {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.book-promo__image {
  flex-shrink: 0;
  width: 120px;
}

.book-promo__image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.book-promo__content {
  flex: 1;
}

.book-promo__label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.book-promo__title {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.book-promo__author {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.book-promo__publisher {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ======================================
   Responsive
   ====================================== */
@media screen and (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .nav__toggle {
    display: block;
  }

  .nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  }

  .nav__list--open {
    display: flex;
  }

  .nav__link {
    padding: var(--spacing-sm);
  }

  .header {
    position: relative;
  }

  .hero__title {
    font-size: 1.5rem;
  }

  .value-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .profile-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .profile-card__image {
    width: 150px;
  }

  .business-gallery {
    grid-template-columns: repeat(3, 1fr);
  }

  .image-gallery--5col,
  .image-gallery--4col {
    grid-template-columns: repeat(3, 1fr);
  }

  .magazine-promo {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .book-promo {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media screen and (max-width: 480px) {
  .value-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-cards .value-card:last-child {
    grid-column: span 2;
  }

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

  .image-gallery--5col,
  .image-gallery--4col,
  .image-gallery--3col {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-info {
    padding: var(--spacing-lg);
  }

  .footer__nav {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

/* ======================================
   Visiting Service Page
   ====================================== */
.download-section {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius);
  text-align: center;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.download-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  transition: opacity var(--transition-base);
}

.download-button:hover {
  opacity: 0.8;
  color: var(--color-white);
}

.service-flow {
  margin-top: var(--spacing-lg);
}

.service-flow__step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px dashed var(--color-border);
}

.service-flow__step:last-child {
  border-bottom: none;
}

.service-flow__number {
  background-color: var(--color-primary);
  color: var(--color-white);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
}

.price-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin: var(--spacing-lg) 0;
}

.price-card__title {
  color: var(--color-primary-dark);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.price-card__amount {
  font-size: 1.75rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.price-card__details {
  font-size: 0.9375rem;
}