@charset "UTF-8";

/* ==========================================================================
   フォント定義 ＆ 基本変数
   ========================================================================== */
@font-face {
    font-family: 'Peace Sans';
    src: local('Peace Sans'), url('../fonts/PeaceSans.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
}

:root {
    --bg-color: #fcf9f2;
    --text-color: #1e1e1e;
    --font-peace: 'Peace Sans', sans-serif;
    --font-noto: 'Noto Sans JP', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-noto);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 共通レイアウトクラス */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 4%;
}

.section-padding {
    padding: 100px 0;
}

.section-en {
    font-family: var(--font-peace);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 10px;
}

/* ==========================================================================
   【共通】ハイエンドセクションタイトルシステム
   ========================================================================== */
.section-title-wrapper {
    position: relative;
    padding: 20px 0;
    width: 100%;
    overflow: visible;
}

.section-title-wrapper::before {
    content: '';
    position: absolute;
    top: -120px;            
    left: -20px;
    width: 420px;           
    height: 1200px;         
    background-color: rgba(30, 30, 30, 0.02); 
    transform: skewX(-15deg); 
    z-index: 1;
    pointer-events: none;
}

.title-accent-line {
    width: 4px;
    height: 55px;
    background-color: #e6b422; 
    transform: rotate(15deg);   
    transform-origin: left top;
    margin-bottom: 24px;
    position: relative;
    z-index: 5;
}

.section-title-enhanced {
    font-family: var(--font-peace);
    font-size: 3.6rem; 
    font-weight: normal;
    line-height: 1;
    letter-spacing: 0.06em;
    color: var(--text-color);
    margin-bottom: 28px;
    position: relative;
    z-index: 5;
}

.section-title-lead {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.8;
    color: #444444;
    max-width: 540px;
    position: relative;
    z-index: 5;
}

/* ==========================================================================
   ヘッダーデザイン (高さ80px固定)
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(252, 249, 242, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(30, 30, 30, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4%; 
    max-width: 1400px;
    margin: 0 auto;
    height: 80px;      
}

.site-logo {
    display: flex;
    align-items: center;
    height: 100%;     
    overflow: visible; 
}

.site-logo img {
    height: 115px;     
    width: auto;
    display: block;
    margin-top: -18px !important;
    margin-bottom: -18px !important;
    transition: transform 0.3s ease;
}

.site-logo img:hover {
    transform: scale(1.03);
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-list a {
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--font-peace);
    font-size: 0.95rem;
    transition: opacity 0.3s;
}

.nav-list a:hover {
    opacity: 0.6;
}

.nav-btn {
    background-color: var(--text-color);
    color: var(--bg-color) !important;
    padding: 10px 20px;
    border-radius: 4px;
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 200;
}

.burger-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
    transition: transform 0.3s, opacity 0.3s, top 0.3s, left 0.3s;
}

.burger-menu span:nth-child(1) { top: 0; }
.burger-menu span:nth-child(2) { top: 11px; }
.burger-menu span:nth-child(3) { top: 22px; }

/* ==========================================================================
   フッター
   ========================================================================== */
.site-footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid rgba(30, 30, 30, 0.05);
    font-size: 0.85rem;
}

/* ==========================================================================
   全ページ共通：トップへ戻るボタン
   ========================================================================== */
.page-top-btn {
    position: fixed;
    bottom: 35px;
    right: 35px;
    width: 52px;
    height: 52px;
    background-color: #1E1E1E; 
    border: none;
    border-radius: 50%; 
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1),
                visibility 0.4s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.page-top-btn::after {
    content: '';
    width: 11px;
    height: 11px;
    border-top: 3px solid #ffffff; 
    border-left: 3px solid #ffffff; 
    transform: rotate(45deg);
    margin-top: 5px; 
    box-sizing: border-box;
}

.page-top-btn:hover {
    transform: translateY(-5px);
    background-color: #333333; 
}

.page-top-btn.is-show {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   共通レスポンシブメディアクエリ
   ========================================================================== */
@media (max-width: 960px) {
    .header-inner { height: 70px; }
    .site-logo img { height: 95px; margin-top: -12px !important; margin-bottom: -12px !important; }
    .burger-menu { display: block; }
    .global-nav {
        position: fixed;
        top: 0;
        left: -100%; 
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-color);
        box-shadow: 5px 0 15px rgba(0,0,0,0.05);
        transition: left 0.4s ease;
        padding: 100px 4% 40px;
    }
    .global-nav.active { left: 0; }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 25px; }
    .burger-menu.active span:nth-child(1) { transform: rotate(45deg); top: 11px; }
    .burger-menu.active span:nth-child(2) { opacity: 0; }
    .burger-menu.active span:nth-child(3) { transform: rotate(-45deg); top: 11px; }
    .section-title-enhanced { font-size: 2.4rem; }
    .section-title-wrapper::before {
        width: 100% !important; height: 100% !important; top: 0 !important; left: 0 !important;
        transform: none !important; background-color: rgba(30, 30, 30, 0.015);
    }
}

@media (max-width: 768px) {
    .page-top-btn { bottom: 24px; right: 24px; width: 46px; height: 46px; }
    .page-top-btn::after { width: 9px; height: 9px; border-top: 2.5px solid #ffffff; border-left: 2.5px solid #ffffff; margin-top: 4px; }
}