/* --- CSS Reset & Base Styles --- */
:root {
    --main-color: #6d5b7b;
    --text-color: #0f1419;
    --bg-color: #fffff6;
    --white: #ffffff;
    --oreo-black: #2b2b2b;
    --oreo-cream: #f6f6f6;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    width: 100%;
    font-family: "Yu Gothic", "游ゴシック", "フォーク M", sans-serif;
    color: var(--text-color);
    line-height: 2;
    overflow-x: hidden;
}

a {
    color: var(--main-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    pointer-events: none;
    display: block;
}

/* --- Header --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s ease;
    background-color: transparent;
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 10px 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

div.logo {
    z-index: 1001;
}
div.logo img {
    width: 60px;
}

div.menu {
    display: flex;
    gap: 30px;
    margin: 0;
    width: auto;
}

div.menuitem {
    font-family: 'Oswald', sans-serif;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
}

div.menuitem .link {
    color: var(--text-color);
    position: relative;
}

div.menuitem .link::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--main-color);
    transition: width 0.3s;
    position: absolute;
    bottom: -5px;
}

div.menuitem .link:hover::after {
    width: 100%;
}

.SNS {
    position: static;
    display: flex;
    gap: 15px;
    margin: 0;
    padding: 0;
}
.SNS img {
    width: 20px;
    filter: grayscale(100%);
    transition: filter 0.3s;
}
.SNS a:hover img {
    filter: grayscale(0%);
}

/* --- Mobile Menu Toggle (Image Switch) --- */
.menu-toggle {
    display: none; /* PCでは非表示 */
    cursor: pointer;
    z-index: 1002;
    width: 50px;
    height: 50px;
    position: relative;
    justify-content: center;
    align-items: center;
}

.menu-toggle img {
    width: 40px;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

/* 通常時 */
.menu-toggle .menu-icon-close {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-90deg);
}
.menu-toggle .menu-icon-oreo {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* アクティブ時 */
.menu-toggle.active .menu-icon-oreo {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
}
.menu-toggle.active .menu-icon-close {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

hr { display: none; }

/* --- Footer --- */
footer {
    background-color: #0f1419;
    color: #fff;
    padding: 80px 0 40px;
    text-align: center;
    position: relative;
}

footer .contact img { display: none; }

button-contact {
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    padding: 20px 60px;
    font-size: 1.2rem;
    letter-spacing: 2px;
    font-family: 'Oswald', sans-serif;
    transition: all 0.3s;
    display: inline-block;
    border-radius: 0;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
}

button-contact:hover {
    background: #fff;
    color: #000;
    border-color: #fff;
}

.SNS-2 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
    width: 100%;
}

.SNS-2 img {
    filter: invert(1);
    width: 25px;
    opacity: 0.7;
    transition: opacity 0.3s;
    display: block;
}
.SNS-2 img:hover {
    opacity: 1;
}

.copyright {
    color: #666;
    font-size: 0.8rem;
    margin-top: 40px;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
}

/* --- Common Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-200 { transition-delay: 0.2s; }
.delay-400 { transition-delay: 0.4s; }

/* --- Common Mobile Media Queries --- */
@media screen and (max-width: 768px) {
    header {
        padding: 15px 20px;
    }
    
    div.menu {
        display: block; 
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: rgba(255, 255, 246, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
        padding-top: 80px;
        margin: 0;
    }

    div.menu.active {
        right: 0;
        display: flex;
        gap: 40px;
    }

    div.menuitem {
        font-size: 1.5rem;
        text-align: center;
        margin-bottom: 20px;
    }

    .SNS {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }
}

/* --- Additions for Update (末尾に追加) --- */

/* Snapshot Section (写真追加エリア) */
.snapshot-section {
    margin-bottom: 150px;
}

.snapshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.snapshot-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    box-shadow: 10px 10px 0px rgba(109, 91, 123, 0.1);
    transition: transform 0.3s ease;
}

.snapshot-item:hover img {
    transform: scale(1.02);
}

.snapshot-item .caption {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #666;
    font-family: "Kaisei Decol", serif;
    text-align: center;
}

/* Action Buttons (ボタン追加エリア) */
.action-area {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

/* プライマリーボタン（目立たせる） */
.primary-btn {
    background-color: #fff;
    color: var(--text-color);
    border: 1px solid #fff;
    padding: 15px 50px;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.primary-btn:hover {
    background-color: var(--main-color);
    color: #fff;
    border-color: var(--main-color);
    transform: translateY(-3px);
}

/* セカンダリーボタン（控えめ） */
.secondary-btn {
    background-color: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 15px 50px;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* SP用の調整 */
@media screen and (max-width: 768px) {
    .snapshot-grid {
        grid-template-columns: 1fr; /* スマホは1列 */
        gap: 30px;
    }
    
    .action-area {
        flex-direction: column;
        gap: 20px;
        padding: 0 20px;
    }
    
    .primary-btn, .secondary-btn {
        width: 100%;
        text-align: center;
    }
}

/* --- Footer Links (Privacy Policy) --- */
.footer-links {
    margin-top: 40px;      /* SNSアイコンからの距離 */
    text-align: center;
}

.footer-links a {
    color: #aaaaaa;        /* 真っ白ではなく少しグレーにして控えめに */
    font-size: 0.8rem;     /* コピーライトと同じくらいの小ささに */
    text-decoration: none; /* 下線を消す */
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
    font-family: "Yu Gothic", "游ゴシック", sans-serif; /* 日本語フォントを明示 */
}

.footer-links a:hover {
    color: #ffffff;        /* ホバー時に白く光らせる */
    text-decoration: underline;
}

/* 既存のcopyrightのマージンを少し調整（間延び防止） */
footer .copyright {
    margin-top: 20px;      /* プライバシーポリシーとの距離を少し詰める */
}