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

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #333333; 
    background-color: #faf8f5; 
    line-height: 1.8;
    letter-spacing: 0.08em;
}

a {
    color: #333;
    text-decoration: none;
    transition: opacity 0.3s;
}
a:hover {
    opacity: 0.7;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background-color: #ffffff;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo a {
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 0.2em;
}

/* PC Navigation */
.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu ul li a {
    font-size: 13px;
    font-weight: 500;
    position: relative;
    padding-bottom: 4px;
}

/* 外部リンクアイコン */
.icon-external {
    font-size: 16px !important ;
    vertical-align: middle;
}

/* ==========================================================================
   Mobile Menu Button: 3連ドット (・) デザイン (PC時は完全に非表示)
   ========================================================================== */
.menu-trigger {
    display: none; /* ★PC（フル画面）時は、中身の点も含めて完全に非表示 */
}

/* ==========================================================================
   Main Content Area 
   ========================================================================== */
.hero-section {
    height: 80vh;
    background-color: #e0dcd5;
    background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    margin-top: 78px;
}

.hero-text h2 {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: 0.15em;
}

.hero-logo {
    width: 100px !important  ;      /* 画像の横幅 */
    height: auto;       /* 縦横比を維持 */
    display: block;     
    margin: 0 auto 15px; 
}

.hero-text p {
    font-size: 14px;
    line-height: 2;
}

.concept-sectioncontainer {
    max-width: 800px;
    margin: 100px auto;
    text-align: center;
    padding: 0 20px;
}

.section-title {
    margin-bottom: 40px;
}
.section-title span {
    font-size: 11px;
    color: #999;
    display: block;
    letter-spacing: 0.3em;
    margin-bottom: 10px;
}
.section-title h3 {
    font-size: 22px;
    font-weight: 400;
}

.concept-lead {
    font-size: 15px;
    color: #555;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto 100px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 0 30px;
}

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

.feature-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    margin-bottom: 20px;
}

.feature-card h4 {
    font-size: 16px;
    margin-bottom: 10px;
    letter-spacing: 0.15em;
}

.feature-card p {
    font-size: 13px;
    color: #666;
}

.page-container {
    max-width: 900px;
    margin: 160px auto 100px;
    padding: 0 20px;
}
.page-content {
    font-size: 15px;
    color: #444;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: #ffffff;
    border-top: 1px solid #eee;
    padding: 60px 30px 30px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 60px;
    margin-bottom: 40px;
}


.footer-info h5 {
    font-size: 16px;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

.footer-info p {
    font-size: 13px;
    color: #666;
    line-height: 2;
}

.footer-right-block {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-map {
    width: 100%;
    height: 250px;
    background-color: #eee;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links ul li a {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.footer-copyright {
    text-align: center;
    font-size: 11px;
    color: #999;
    border-top: 1px solid #f5f5f5;
    padding-top: 30px;
}


/* ==========================================================================
   Responsive (★スマホ・タブレット環境のみメニューボタンを有効化)
   ========================================================================== */
@media (max-width: 768px) {
    /* スマホ画面の時だけ、ボタンの枠組みを表示して位置を固定する */
    .menu-trigger {
        display: flex; 
        background: none;
        border: none;
        cursor: pointer;
        width: 44px;
        height: 44px;
        position: relative;
        z-index: 1001;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    /* スマホ画面の時だけ、中のドットを絶対配置する */
    .menu-trigger span {
        display: block;
        width: 6px;
        height: 6px;
        background-color: #333;
        border-radius: 50%;
        transform-origin: center center; 
        transition: all 0.3s ease;
        position: absolute; 
    }

    /* ドットの初期位置 */
    .menu-trigger span:nth-child(1) { top: 12px; }
    .menu-trigger span:nth-child(2) { top: 19px; }
    .menu-trigger span:nth-child(3) { top: 26px; }

    /* アニメーション：左右対称のバツ印へ */
    .menu-trigger.active span:nth-child(1) {
        top: 19px;
        width: 28px;
        height: 2px;
        border-radius: 2px;
        transform: rotate(45deg);
    }
    .menu-trigger.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    .menu-trigger.active span:nth-child(3) {
        top: 19px;
        width: 28px;
        height: 2px;
        border-radius: 2px;
        transform: rotate(-45deg);
    }

    /* ナビゲーションメニューの引き出し設定 */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        box-shadow: -5px 0 15px rgba(0,0,0,0.05);
        padding: 100px 40px;
        transition: right 0.4s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 25px;
    }

    .nav-menu ul li a {
        font-size: 16px;
        display: block;
    }

    /* フッターのスマホ対応 */
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-map {
        height: 200px;
    }

    .footer-links ul {
        gap: 15px 20px;
    }
}
/* ==========================================================================
   (参考) 元の Responsive セクションの trigger 表示設定も微調整
   ========================================================================== */
@media (max-width: 768px) {
    .menu-trigger {
        display: flex; /* スマホで確実に表示 */
    }
    /* (以下、他のレスポンシブ設定は変更なし) */
}
/* ==========================================================================
   Main Content Area
   ========================================================================== */
.hero-section {
    height: 80vh;
    background-color: #e0dcd5; /* 本来はここに海のメイン画像を設置 */
    background-image: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    margin-top: 78px; /* ヘッダーの高さ分 */
}

.hero-text h2 {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: 0.15em;
}

.hero-text p {
    font-size: 14px;
    line-height: 2;
}

.concept-sectioncontainer {
    max-width: 800px;
    margin: 100px auto;
    text-align: center;
    padding: 0 20px;
}

.section-title {
    margin-bottom: 40px;
}
.section-title span {
    font-size: 11px;
    color: #999;
    display: block;
    letter-spacing: 0.3em;
    margin-bottom: 10px;
}
.section-title h3 {
    font-size: 22px;
    font-weight: 400;
}

.concept-lead {
    font-size: 15px;
    color: #555;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto 100px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 0 30px;
}

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

.feature-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    margin-bottom: 20px;
}

.feature-card h4 {
    font-size: 16px;
    margin-bottom: 10px;
    letter-spacing: 0.15em;
}

.feature-card p {
    font-size: 13px;
    color: #666;
}

/* 子ページ用レイアウト */
.page-container {
    max-width: 900px;
    margin: 160px auto 100px;
    padding: 0 20px;
}
.page-content {
    font-size: 15px;
    color: #444;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: #ffffff;
    border-top: 1px solid #eee;
    padding: 60px 30px 30px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    /* 左側のホテル情報と、右側のマップ一式を 1:1 の比率で並べる */
    grid-template-columns: 1fr 1fr; 
    gap: 60px;
    margin-bottom: 40px;
}

.footer-info h5 {
    font-size: 16px;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

.footer-info p {
    font-size: 13px;
    color: #666;
    line-height: 2;
}

/* マップとリンクを内包する右側ブロック */
.footer-right-block {
    display: flex;
    flex-direction: column;
    gap: 20px; /* マップとリンクの間の隙間 */
}

/* マップ本体 */
.footer-map {
    width: 100%;
    height: 250px;
    background-color: #eee;
}

/* マップ下部のリンクメニュー */
.footer-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap; /* 横幅が狭まった時に自動で折り返す設定 */
    gap: 20px;       /* リンク同士の横の隙間 */
}

.footer-links ul li a {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.footer-copyright {
    text-align: center;
    font-size: 11px;
    color: #999;
    border-top: 1px solid #f5f5f5;
    padding-top: 30px;
}

/* スマホ用のレスポンシブ調整 */
@media (max-width: 768px) {
    .footer-inner {
        /* スマホ時は全体を縦1列に並べる */
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-map {
        height: 200px; /* スマホ時は少しだけマップを低く */
    }

    .footer-links ul {
        gap: 15px 20px; /* スマホ時に折り返した際の上下の隙間を設定 */
    }
}

/* ==========================================================================
   Responsive (Smartphone & Tablet)
   ========================================================================== */
@media (max-width: 768px) {
    .menu-trigger {
        display: flex; /* スマホでドットメニューを表示 */
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        box-shadow: -5px 0 15px rgba(0,0,0,0.05);
        padding: 100px 40px;
        transition: right 0.4s ease;
    }

    /* メニュー展開時 */
    .nav-menu.active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 25px;
    }

    .nav-menu ul li a {
        font-size: 16px;
        display: block;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }
}