@charset "UTF-8";

/* ======== Base Reset & Typography ======== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body { 
    font-size: 16px; 
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif; 
    line-height: 1.8; 
    color: #333; 
    background-color: #f6f8fa; 
    overflow-x: hidden; 
}

:root {
    --theme-navy: #0f1c3f;   
    --theme-gold: #c5a059;   
    --theme-pink: #e83e8c;   
    --bg-white: #ffffff;
    --main-grad: linear-gradient(135deg, var(--theme-navy) 0%, #1e3a8a 100%);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
section { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; color: var(--theme-navy); font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: bold; }

/* ======== Header ======== */
header { background: #fff; border-bottom: 3px solid var(--theme-gold); padding: 15px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 40px; width: auto; display: block; }
.header-nav { display: flex; gap: 20px; list-style: none; font-size: 14px; }
.header-nav a { color: var(--theme-navy); text-decoration: none; font-weight: bold; transition: color 0.3s; }
.header-nav a:hover { color: var(--theme-pink); }

.hamburger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; align-items: center; }
.hamburger-box { width: 24px; height: 16px; position: relative; margin-bottom: 2px; }
.hamburger-box span { position: absolute; width: 100%; height: 2px; background: var(--theme-navy); transition: 0.3s; }
.hamburger-box span:nth-child(1) { top: 0; }
.hamburger-box span:nth-child(2) { top: 7px; }
.hamburger-box span:nth-child(3) { top: 14px; }

@media (max-width: 768px) {
    .header-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: #fff; flex-direction: column; padding: 20px; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    .hamburger { display: flex; }
}

/* ======== Breadcrumb ======== */
.breadcrumb { padding: 12px 0; background-color: #fff; border-bottom: 1px solid #eaeaea; font-size: 12px; color: #666; }
.breadcrumb-list { list-style: none; display: flex; flex-wrap: wrap; margin: 0; padding: 0; }
.breadcrumb-item { display: flex; align-items: center; }
.breadcrumb-item:not(:last-child)::after { content: "＞"; margin: 0 8px; color: #ccc; font-size: 10px; }
.breadcrumb-link { color: #666; text-decoration: none; transition: color 0.2s; }
.breadcrumb-link:hover { color: var(--theme-pink); text-decoration: underline; }
.breadcrumb-current { color: #333; font-weight: bold; }

/* ======== Hero ======== */
.hero { 
    background: linear-gradient(rgba(15, 28, 63, 0.4), rgba(15, 28, 63, 0.8)), url('img/top1920x1080.jpg?auto=format&fit=crop&w=1920') center/cover;
    height: 60vh; min-height: 400px; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff;
}

.hero-badge-premium {
    display: inline-block; background: rgba(255, 255, 255, 0.95); border: 2px solid var(--theme-gold);
    border-radius: 8px; padding: 12px 25px; margin-bottom: 25px; box-shadow: 0 5px 15px rgba(0,0,0,0.3); text-align: center;
}
.badge-top { color: var(--theme-navy); font-size: clamp(0.9rem, 2vw, 1rem); font-weight: bold; margin-bottom: 5px; border-bottom: 1px dashed #ccc; padding-bottom: 5px; }
.badge-bottom { color: var(--theme-pink); font-size: clamp(1.1rem, 3vw, 1.5rem); font-weight: bold; letter-spacing: 1px; margin-top: 5px; }

.hero h1 { font-size: clamp(1.8rem, 5vw, 3.5rem); margin-bottom: 10px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.hero p { color: #fff; font-weight: bold; letter-spacing: 1px; text-shadow: 0 2px 5px rgba(0,0,0,0.8); }

/* ======== Tour Points Slider (Swiper) ======== */
.points-section { background: var(--theme-navy); color: #fff; padding: 80px 0; overflow: hidden; }
.points-section .section-title { color: var(--theme-gold); margin-bottom: 50px; }

.swiper { width: 100%; padding-bottom: 60px !important; }
.point-card { background: #fff; border-radius: 15px; overflow: hidden; height: 100%; display: flex; flex-direction: column; }
.point-card-img { position: relative; width: 100%; padding-top: 66.66%; overflow: hidden; }
.point-card-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.point-badge { position: absolute; top: 15px; left: 15px; background: var(--theme-pink); color: #fff; padding: 5px 15px; border-radius: 30px; font-weight: bold; font-size: 0.85rem; z-index: 2; }
.point-card-content { padding: 25px; flex-grow: 1; }
.point-card-content h3 { color: var(--theme-navy); margin-bottom: 15px; font-size: 1.2rem; }
.point-card-content p { color: #555; font-size: 0.95rem; line-height: 1.7; margin: 0; }

.swiper-pagination { bottom: 0 !important; }
.swiper-pagination-bullet { width: 12px !important; height: 12px !important; background: #fff !important; opacity: 0.4 !important; margin: 0 6px !important; transition: all 0.3s ease !important; }
.swiper-pagination-bullet-active { width: 32px !important; border-radius: 6px !important; background: var(--theme-gold) !important; opacity: 1 !important; }

/* ======== Video Section ======== */
.video-section { background: #fff; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; max-width: 1000px; margin: 0 auto; }
.video-wrapper h3 { text-align: center; color: var(--theme-navy); font-size: 1.15rem; margin-bottom: 15px; }
.video-container { position: relative; width: 100%; padding-top: 56.25%; border-radius: 15px; overflow: hidden; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

/* ======== Product Card ======== */
.plan-section { background-color: #f6f8fa; }
.plan-card { background: #fff; border-radius: 20px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); display: flex; flex-direction: column; max-width: 900px; margin: 0 auto 40px; }
.plan-card-img { width: 100%; height: 400px; }
@media (max-width: 768px) { .plan-card-img { height: 250px; } }
.plan-card-img img { width: 100%; height: 100%; object-fit: cover; }
.plan-card-body { padding: 40px; }
@media (max-width: 768px) { .plan-card-body { padding: 25px 20px; } }
.plan-card-header h3 { font-size: clamp(1.3rem, 3vw, 1.7rem); color: var(--theme-navy); margin-bottom: 25px; line-height: 1.4; }
.info-list { list-style: none; margin-bottom: 30px; }
.info-item { display: flex; margin-bottom: 15px; font-size: 1.1rem; border-bottom: 1px dashed #ddd; padding-bottom: 10px; }
.info-label { font-weight: bold; color: var(--theme-navy); width: 100px; flex-shrink: 0; }
.text-highlight { font-weight: bold; color: var(--theme-navy); }
.price-text { color: var(--theme-pink); font-weight: bold; font-size: 1.5rem; }
.price-sub { font-size: 0.9rem; color: #666; font-weight: normal; }

/* ======== Schedule Accordion ======== */
.schedule-area { margin-bottom: 30px; }
details { background: #fdfdfd; border-radius: 10px; border: 1px solid #e1e4e8; overflow: hidden; }
summary { padding: 15px 20px; font-weight: bold; color: var(--theme-navy); cursor: pointer; outline: none; list-style: none; position: relative; background: #f8f9fa; }
summary::after { content: '＋'; position: absolute; right: 20px; transition: 0.3s; color: var(--theme-gold); }
details[open] summary::after { content: '－'; transform: rotate(180deg); }
.schedule-table { width: 100%; border-collapse: collapse; background: #fff; }
.schedule-table td { padding: 15px 20px; border-bottom: 1px solid #eee; vertical-align: top; }
.time { font-weight: bold; color: var(--theme-gold); width: 80px; }

/* ======== Buttons ======== */
.btn-reserve { display: block; background: var(--theme-pink); color: #fff; text-align: center; padding: 20px; border-radius: 12px; font-weight: bold; font-size: 1.2rem; text-decoration: none; transition: 0.3s; box-shadow: 0 4px 15px rgba(232, 62, 140, 0.3); }
.btn-reserve:hover { transform: translateY(-3px); opacity: 0.9; box-shadow: 0 6px 20px rgba(232, 62, 140, 0.4); }

/* ======== Access & Map ======== */
.map-section { background: #fff; }
.map-subtitle { text-align: center; margin-bottom: 15px; font-size: 1.1rem; color: var(--theme-navy); font-weight: bold; }
.map-area { border-radius: 20px; overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.1); max-width: 900px; margin: 20px auto 30px; }
.map-area iframe { width: 100%; height: 350px; border: 0; display: block; }

.access-video-area { max-width: 700px; margin: 0 auto 40px; }
.access-video-area h3 { text-align: center; color: var(--theme-pink); font-size: 1.2rem; margin-bottom: 15px; }

.access-container { max-width: 900px; margin: 0 auto; }
.access-route { background: #fdfdfd; border: 1px solid #e1e4e8; border-radius: 12px; padding: 25px; margin-bottom: 20px; box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.access-route h4 { color: var(--theme-navy); font-size: 1.15rem; border-bottom: 2px solid #eee; padding-bottom: 12px; margin-bottom: 15px; }
.access-route ul { list-style-type: none; padding-left: 0; margin: 0; }
.access-route li { position: relative; padding-left: 1.4em; margin-bottom: 10px; color: #444; font-size: 0.95rem; line-height: 1.6; }
.access-route li::before { content: "・"; position: absolute; left: 0; color: var(--theme-gold); font-weight: bold; }

.access-note { background: #fff3cd; border-left: 4px solid #ffc107; padding: 18px 20px; border-radius: 4px; color: #856404; font-size: 0.95rem; margin-top: 30px; font-weight: bold; }

/* ======== Related Links ======== */
.links-section { padding: 60px 0 80px; }
.links-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; max-width: 900px; margin: 0 auto; }
.link-card { display: flex; align-items: center; background: #fff; padding: 20px; border-radius: 12px; text-decoration: none; border: 1px solid #e1e4e8; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.link-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); border-color: var(--theme-gold); }
.link-icon { font-size: 2rem; margin-right: 15px; }
.link-text { flex-grow: 1; }
.link-text h4 { color: var(--theme-navy); font-size: 1.05rem; margin-bottom: 3px; font-weight: bold; }
.link-text p { color: #666; font-size: 0.85rem; margin: 0; }
.link-arrow { color: #ccc; font-weight: bold; transition: color 0.3s; padding-left: 10px; }
.link-card:hover .link-arrow { color: var(--theme-pink); }

/* ======== Footer ======== */
footer { background: #080d1f; color: #fff; padding: 50px 0 30px; text-align: center; font-size: 14px; }
.footer-links { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; list-style: none; flex-wrap: wrap;}
.footer-links a { color: #ccc; text-decoration: none; transition: color 0.3s; }
.footer-links a:hover { color: var(--theme-gold); text-decoration: underline; }

/* ======== Floating Button ======== */
.fixed-btn { display: none; position: fixed; bottom: 0; left: 0; width: 100%; background: rgba(255,255,255,0.95); padding: 10px 15px; box-shadow: 0 -2px 10px rgba(0,0,0,0.1); z-index: 1001; backdrop-filter: blur(5px); }
@media (max-width: 768px) { .fixed-btn { display: block; } body { padding-bottom: 80px; } }