@charset "UTF-8";

/* =========================================
   Variables: アースカラー(ベージュ・グリーン)基調
   ========================================= */
:root {
    /* Colors */
    --color-primary-green: #4A6741; /* 落ち着いたリーフグリーン */
    --color-light-green: #E8F0E5;   /* 背景用淡いグリーン */
    --color-beige: #F5F2EB;         /* ベースのナチュラルベージュ */
    --color-dark-beige: #D5CBB9;    /* ボーダーなどの濃いベージュ */
    --color-text-dark: #333333;     /* 本文色 */
    --color-text-light: #666666;    /* サブテキスト色 */
    --color-white: #FFFFFF;

    /* Fonts */
    --font-heading: 'Lora', serif; /* ゴージャスでナチュラルなセリフ欧文＋明朝っぽいニュアンス */
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing & Layout */
    --max-width: 1100px;
    --section-padding: 100px 5%;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-beige);
    line-height: 1.8;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* =========================================
   Typography & Helper Classes
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section {
    padding: var(--section-padding);
}

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

.section-title {
    font-size: 2.2rem;
    color: var(--color-primary-green);
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-en {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

/* ボタンとリンク */
.btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary-green);
    color: var(--color-white);
    border: 1px solid var(--color-primary-green);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.hero-content .btn-primary {
    /* ヒーロー画像の上のボタンは最初から透明な白枠設定に */
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.hero-content .btn-primary:hover {
    background-color: var(--color-white);
    color: var(--color-primary-green);
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.1rem;
}

/* =========================================
   Header
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(245, 242, 235, 0.9); /* ベージュ系の半透明 */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(213, 203, 185, 0.3);
    transition: background-color 0.3s ease, padding 0.3s ease;
    padding: 15px 5%;
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary-green);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav-link:not(.btn-contact)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary-green);
    transition: width 0.3s ease;
}

.nav-link:not(.btn-contact):hover::after {
    width: 100%;
}

.btn-contact {
    border: 1px solid var(--color-primary-green);
    padding: 8px 24px;
    border-radius: 30px;
    color: var(--color-primary-green);
}

.btn-contact:hover {
    background-color: var(--color-primary-green);
    color: var(--color-white);
}

/* =========================================
   Hamburger Menu (Mobile)
   ========================================= */
.hamburger {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001; /* ナビより上 */
}

.hamburger span {
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary-green);
    border-radius: 2px;
    transition: all 0.3s ease;
    left: 0;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    /* 背景画像を暗くせずに、オリジナル画像のまま表示（さらに必要な場合は微量に暗くする） */
    background-color: rgba(0, 0, 0, 0.2);
    background-blend-mode: overlay;
    z-index: -1;
    transform: scale(1.05); /* JSでスケールダウンアニメーション用等 */
    animation: zoomOut 15s ease-out forwards;
}

@keyframes zoomOut {
    from { transform: scale(1.1); }
    to { transform: scale(1); }
}

.hero-content {
    text-align: center;
    color: var(--color-white); /* 背景に重ねるので白文字に変更 */
    padding: 2rem;
    max-width: 1000px; /* テキストが1行に収まるように幅を拡張 */
    width: 90%;
    /* 写真に直接テキストを配置するため、微かなドロップシャドウで視認性をあげる */
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    color: var(--color-white);
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.sp-br {
    display: none;
}

/* =========================================
   About Section
   ========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.text-content p {
    margin-bottom: 1.5rem;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-primary-green);
    z-index: -1;
    border-radius: 4px;
}

.about-image img {
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

/* =========================================
   Benefits Section
   ========================================= */
.bg-light {
    background-color: var(--color-light-green);
    border-radius: 40px;
    margin: 50px 2.5%; /* 端に少し余白 */
    padding: var(--section-padding);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(74, 103, 65, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(74, 103, 65, 0.1);
    border-top-color: var(--color-primary-green);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.3rem;
    color: var(--color-primary-green);
    margin-bottom: 15px;
    border-bottom: 1px dashed var(--color-dark-beige);
    padding-bottom: 10px;
}

.card-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* =========================================
   Product Section
   ========================================= */
.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background-color: var(--color-white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(74, 103, 65, 0.08);
}

.product-image img {
    border-radius: 12px;
    width: 100%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 2.2rem;
    color: var(--color-primary-green);
    margin-bottom: 20px;
    font-weight: 700;
}

.product-desc {
    font-size: 1.05rem;
    margin-bottom: 30px;
    color: var(--color-text-dark);
}

.product-price {
    background-color: var(--color-light-green);
    padding: 30px;
    border-radius: 12px;
    display: inline-block;
    width: 100%;
}

.price-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary-green);
    font-family: var(--font-heading);
}

.price-unit {
    font-size: 1.3rem;
    color: var(--color-text-dark);
    margin-left: 5px;
}

.tax {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-left: 5px;
}

.shipping-info {
    font-size: 0.9rem;
    color: var(--color-text-light);
    display: inline-block;
    margin-top: 5px;
}

/* =========================================
   CTA Section
   ========================================= */
.cta {
    position: relative;
    padding: 120px 5%;
}

.cta-title {
    font-size: 2.5rem;
    color: var(--color-primary-green);
    margin-bottom: 1.5rem;
}

.cta-msg {
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: var(--color-primary-green);
    color: var(--color-white);
    padding: 80px 5% 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 60px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 5px;
    letter-spacing: 0.1em;
}

.company-desc {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 25px;
    letter-spacing: 0.05em;
}

.company-details {
    margin-bottom: 30px;
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.company-details li {
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
}

.company-details span {
    min-width: 100px;
    opacity: 0.7;
}

.company-details a:hover {
    text-decoration: underline;
}

.btn-company-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 40px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-company-link .arrow {
    margin-left: 10px;
    transition: transform 0.3s ease;
}

.btn-company-link:hover {
    background-color: var(--color-white);
    color: var(--color-primary-green);
    border-color: var(--color-white);
}

.btn-company-link:hover .arrow {
    transform: translateX(4px);
}

.footer-site-links {
    min-width: 200px;
}

.footer-links-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.footer-site-links ul li {
    margin-bottom: 15px;
}

.footer-site-links ul a {
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-site-links ul a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
}

.copyright {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

/* =========================================
   Animations & Utilities
   ========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease-out forwards;
}

.delay-1 { animation-delay: 0.5s; opacity: 0; }
.delay-2 { animation-delay: 1s; opacity: 0; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   Responsive Styles
   ========================================= */
@media screen and (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1; /* モバイルでは画像を上に */
        margin-bottom: 2rem;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .product-grid {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }
    .product-info {
        padding: 0;
    }
    .hero-title {
        font-size: 2.5rem;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --section-padding: 80px 5%;
    }

    .sp-br {
        display: block;
    }

    .hamburger {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-beige);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .btn-contact {
        border: none;
        padding: 0;
        border-radius: 0;
        color: var(--color-text-dark);
    }

    .btn-contact:hover {
        background-color: transparent;
        color: var(--color-primary-green);
    }

    .bg-light {
        margin: 0;
        border-radius: 0; /* モバイルでは丸みを消す */
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .company-details span {
        min-width: auto;
        width: 100%;
        display: block;
        margin-bottom: 2px;
    }
}