/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-feature-settings: "kern" 1, "liga" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.5;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 2px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
    font-weight: 500;
}

p {
    letter-spacing: 0.01em;
    font-weight: 400;
}

/* Container */
.container {
    max-width: 90%;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

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

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 2px solid #000000;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

.loading-text {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


.header{
    min-height: 160px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  background: #fff;
  box-shadow: none;


  -webkit-mask-image: linear-gradient(#000 0 0),
                      url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxNDQwIDkwIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIj48cGF0aCBkPSJNMCw0MCBDMTgwLDEwIDM2MCwxMCA1NDAsNDAgQzcyMCw3MCA5MDAsNzAgMTA4MCw0MCBDMTI2MCwxMCAxMzUwLDE1IDE0NDAsNDAgTDE0NDAsOTAgTDAsOTAgWiIgZmlsbD0iIzAwMCIvPjwvc3ZnPg==");
          mask-image: linear-gradient(#000 0 0),
                      url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxNDQwIDkwIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIj48cGF0aCBkPSJNMCw0MCBDMTgwLDEwIDM2MCwxMCA1NDAsNDAgQzcyMCw3MCA5MDAsNzAgMTA4MCw0MCBDMTI2MCwxMCAxMzUwLDE1IDE0NDAsNDAgTDE0NDAsOTAgTDAsOTAgWiIgZmlsbD0iIzAwMCIvPjwvc3ZnPg==");

  -webkit-mask-composite: xor;    
          mask-composite: exclude;

  -webkit-mask-repeat: no-repeat, no-repeat;
          mask-repeat: no-repeat, no-repeat;
  -webkit-mask-position: 0 0, 50% 100%;
          mask-position: 0 0, 50% 100%;
  -webkit-mask-size: 100% 100%, 100% 40%;
          mask-size: 100% 100%, 100% 40%;
}


.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2.5rem 2rem 3.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.3s ease;
}

.header-logo:hover {
    transform: translateY(-2px);
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 800;
    color: #2c2c2c;
    letter-spacing: 0.5px;
    line-height: 1;
}

.logo-sub {
    font-size: 0.75rem;
    color: #666;
    font-weight: 500;
    margin-top: 2px;
    letter-spacing: 1px;
}

.header-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.header-nav-link {
    font-size: 0.95rem;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    /* border: 2px solid transparent; */
}

.header-nav-link:hover {
    color: #ffffff;
    background-color: #2c2c2c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 44, 44, 0.3);
}

/* Header Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 1rem;
    }
    
    .logo-main {
        font-size: 1.4rem;
    }
    
    .logo-sub {
        font-size: 0.7rem;
    }
    
    .header-nav {
        gap: 1rem;
    }
    
    .header-nav-link {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

    .header {
        min-height: 80px;
        -webkit-mask-size: 100% 100%, 100% 20%;
                mask-size: 100% 100%, 100% 20%;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-section.visible {
    opacity: 1;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

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

.hero-image img {
  opacity: 0.8;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 4rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    letter-spacing: -0.05em;
    color: #ffffff;
    mix-blend-mode: difference;
    opacity: 0;
    transition: opacity 1s ease 0.5s;
}

.hero-title.visible {
    opacity: 1;
}

@media (min-width: 768px) {
    .hero-content {
        padding-left: 6rem;
    }
    
    .hero-title {
        font-size: clamp(4rem, 10vw, 8rem);
    }
}

/* Intro Section */
.intro-section {
    padding: 16rem 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 2fr 7fr;
    gap: 2rem;
    align-items: start;
}

.intro-title {
    margin-left: 30px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 2rem;
    letter-spacing: 0.1em;
    line-height: 2;
}

.intro-text-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.intro-text {
    font-size: 1.125rem;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .intro-title {
        writing-mode: horizontal-tb;
        text-align: center;
    }
}

/* Spot Section */
.spot-section {
    margin: 15vh auto;
    padding: 0 5%;
    max-width: 1400px;
}

.spot-header {
    text-align: right;
    margin-bottom: 3vh;
    position: relative;
}

.spot-title {
    font-size: 2.8rem;
    font-weight: 100;
    margin-bottom: 3rem;
    letter-spacing: 0.15em;
    color: #000000;
    line-height: 1.1;
}

.spot-link {
    display: inline-block;
    color: #000000;
    font-size: 1.1rem;
    font-weight: 300;
    text-decoration: none;
    letter-spacing: 0.08em;
    position: relative;
    text-transform: uppercase;
}

.spot-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: #000000;
    transition: width 0.4s ease;
}

.spot-link:hover::after {
    width: 100%;
}

.spot-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6vw 4vw;
    align-items: start;
    justify-content: center;
    margin: 0 auto;
    max-width: 1400px;
}

.spot-card {
    margin-bottom: 6vh;
    transition: transform 0.3s ease;
}

.spot-card:hover {
    transform: translateY(-10px);
}

.spot-card:nth-child(1) {
    margin-top: 0;
}

.spot-card:nth-child(2) {
    margin-top: 16vh;
}

.spot-card-image-container {
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

.spot-card-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.7s ease;
    border-radius: 15px;
}

.spot-card:hover .spot-card-image {
    transform: scale(1.05);
}

.spot-card-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.spot-card-title {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #333;
    letter-spacing: 0.05em;
}

.spot-card-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-weight: 300;
}

.spot-card-link {
    display: inline-block;
    color: #000000;
    font-size: 0.9rem;
    font-weight: 300;
    text-decoration: none;
    letter-spacing: 0.08em;
    position: relative;
    text-transform: uppercase;
}

.spot-card-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: #000000;
    transition: width 0.4s ease;
}

.spot-card-link:hover::after {
    width: 100%;
}

@media (max-width: 768px) {
    .spot-section {
        margin-top: 12vh;
        padding: 0 5%;
    }

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

    .spot-title {
        font-size: 2rem;
        margin-bottom: 6vh;
    }

    .spot-cards {
        grid-template-columns: 1fr;
        gap: 6vh;
    }

    .spot-card:nth-child(2) {
        margin-top: 0;
    }

    .spot-card-image {
        height: 250px;
    }
}

/* Seasonal Section */
.seasonal-section {
    padding: 8rem 0;
}

.seasonal-header {
    text-align: left;
    margin-bottom: 8rem;
}

.seasonal-title {
    font-size: clamp(3.5rem, 8vw, 2.8rem);
    letter-spacing: -0.05em;
}

.seasonal-season {
    margin-bottom: 12rem;
}

.seasonal-season-alt {
    margin-left: -2rem;
    margin-right: -2rem;
    padding: 6rem 2rem;
}

.seasonal-season-title {
    margin-bottom: 6rem;
    position: relative;
    width: 100%;
}

.seasonal-season-name {
    font-size: clamp(5rem, 12vw, 2.8rem);
    letter-spacing: -0.05em;
    opacity: 0.8;
    line-height: 1;
    position: relative;
    z-index: 2;
    font-weight: 200;
}

/* 春と秋：左寄せ */
.seasonal-season:nth-child(odd) .seasonal-season-title {
    text-align: left;
    padding-left: 4rem;
}

/* 夏と冬：右寄せ */
.seasonal-season:nth-child(even) .seasonal-season-title {
    text-align: right;
    padding-right: 4rem;
}

/* 季節ごとの色指定 */
.seasonal-season:nth-child(2) .seasonal-season-name {
    color: #f9c6e7; /* 春：ピンク */
}

.seasonal-season:nth-child(3) .seasonal-season-name {
    color: #a2d5ce; /* 夏：ターコイズ */
}

.seasonal-season:nth-child(4) .seasonal-season-name {
    color: #e4a07b; /* 秋：オレンジ */
}

.seasonal-season:nth-child(5) .seasonal-season-name {
    color: #bbd9fd; /* 冬：ブルー */
}



.seasonal-spots {
    display: flex;
    flex-direction: column;
    gap: 8rem;
}

.seasonal-spot {
    display: grid;
    grid-template-columns: 7fr 4fr;
    gap: 3rem;
    align-items: center;
}

.seasonal-spot-reverse {
    grid-template-columns: 4fr 7fr;
}

.seasonal-spot-reverse .seasonal-spot-content {
    order: 1;
}

.seasonal-spot-reverse .seasonal-spot-image-container {
    order: 2;
}

.seasonal-spot-image-container {
    position: relative;
    overflow: hidden;
}

.seasonal-spot-image {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    transition: transform 0.7s ease;
    border-radius: 15px;
}


.seasonal-spot-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.seasonal-spot-header {
    margin-bottom: 1rem;
}

.seasonal-spot-name {
    font-size: 1.875rem;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.seasonal-spot-area {
    font-size: 0.875rem;
    opacity: 0.6;
}

.seasonal-spot-description {
    font-size: 1.125rem;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .seasonal-season-alt {
        margin-left: -1rem;
        margin-right: -1rem;
        padding: 4rem 1rem;
    }
    
    
    .seasonal-spot,
    .seasonal-spot-reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .seasonal-spot-reverse .seasonal-spot-content,
    .seasonal-spot-reverse .seasonal-spot-image-container {
        order: unset;
    }

    .seasonal-season:nth-child(odd) .seasonal-season-title {
    text-align: left;
    padding-left: 2rem;
}

/* 夏と冬：右寄せ */
.seasonal-season:nth-child(even) .seasonal-season-title {
    text-align: right;
    padding-right: 2rem;
}
}

/* News Section */
.news-section {
    padding: 8rem 0;
    background-color: #000000;
    color: #ffffff;
}

.news-content {
    display: grid;
    grid-template-columns: 3fr 8fr;
    gap: 2rem;
}

.news-title {
    font-size: 2.25rem;
    letter-spacing: -0.025em;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.news-item {
    font-size: 1.25rem;
    line-height: 1.7;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 2rem;
}

@media (max-width: 768px) {
    .news-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Footer */
.footer {
    padding: 6rem 0;
    background-color: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 3fr 2fr 2fr 2fr;
    gap: 2rem;
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 4vw;
}

.footer-title {
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    margin-bottom: 2rem;
    color: #000000;
}

.footer-section-title {
    font-size: 0.875rem;
    opacity: 0.6;
    margin-bottom: 1.5rem;
    color: #000000;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
}

.footer-link {
    font-size: 0.875rem;
    text-decoration: none;
    color: #000000;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 0.6;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 4vw;
    padding-right: 4vw;
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.6;
    color: #000000;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Animation Classes */
.animate-wrapper {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s ease-out;
}

.animate-wrapper.animate-right {
    transform: translateX(-2rem);
}

.animate-wrapper.animate-left {
    transform: translateX(2rem);
}

.animate-wrapper.animate-down {
    transform: translateY(-2rem);
}

.animate-wrapper.animate-fade {
    transform: none;
}

.animate-wrapper.visible {
    opacity: 1;
    transform: translate(0, 0);
}

.stagger-item {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s ease-out;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}



/* Responsive Typography */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .intro-section,
    .spot-section,
    .seasonal-section,
    .news-section,
    .footer {
        padding: 4rem 0;
    }
    
    .seasonal-season {
        margin-bottom: 8rem;
    }
    
    .seasonal-spots {
        gap: 4rem;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}


/* ===============================
   About Page Styles
   =============================== */

.about-title {
    text-align: center;
    margin-bottom: 4rem;
    padding: 8rem 0 2rem;
}

.about-title h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: #2d3748;
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

.about-title h1::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4rem;
    height: 3px;
    background: linear-gradient(90deg, #2dd4bf, #60a5fa);
    border-radius: 2px;
}

.about-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

.about-section {
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    border-radius: 16px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.about-section h2 {
    color: #1a202c;
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e2e8f0;
    position: relative;
}

.about-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 3rem;
    height: 2px;
    background: #2dd4bf;
}

.about-section p {
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 1.2rem;
    font-size: 1rem;
}

.about-section ul {
    padding-left: 1.8rem;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 1rem;
}

.about-section li {
    margin-bottom: 0.6rem;
    position: relative;
}

.about-section li::marker {
    color: #2dd4bf;
}

.about-link {
    color: #2dd4bf;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.about-link:hover {
    color: #0891b2;
    border-bottom-color: #0891b2;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .about-title {
        padding: 8rem 0 1rem;
        margin-bottom: 2rem;
    }
    
    .about-container {
        padding: 0 1rem 2rem;
    }
    
    .about-section {
        padding: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .about-section h2 {
        font-size: 1.4rem;
    }
    
    .about-section p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .about-section {
        padding: 1.5rem;
    }
    
    .about-section h2 {
        font-size: 1.3rem;
    }
}