@charset "UTF-8";

:root {
    /* Color Palette: Intellectual Clean */
    --text-color: #333333;
    --text-sub: #666666;
    --accent-color: #C5A059;   /* Muted Gold */
    --link-color: #1a1a1a;
    
    --bg-white: #ffffff;
    --bg-light: #f7f7f7;       /* Silver Gray */
    --bg-dark: #1a1a1a;        /* Deep Navy/Black */
    
    /* Typography */
    --font-gothic: 'Noto Sans JP', sans-serif;
    --font-mincho: 'Shippori Mincho', serif;
}

body {
    font-family: var(--font-gothic);
    color: var(--text-color);
    line-height: 2.0; /* ゆったりとした行間 */
    margin: 0;
    letter-spacing: 0.08em;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-mincho);
    font-weight: 500;
    line-height: 1.5;
}

img {
    max-width: 100%;
}

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

a:hover {
    opacity: 0.7;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header: Stylish Glassmorphism */
.site-header {
    padding: 15px 0;
    position: fixed; /* 常に上に固定 */
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85); /* 半透明の白 */
    backdrop-filter: blur(10px); /* すりガラス効果 */
    border-bottom: 1px solid rgba(0,0,0,0.03); /* 繊細な境界線 */
    box-shadow: 0 5px 20px rgba(0,0,0,0.02);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mincho);
    font-size: 22px;
    letter-spacing: 0.1em;
    color: #1a1a1a;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 32px;
    width: auto;
    /* 白背景を透過させる簡易テクニック */
    mix-blend-mode: multiply;
}

.site-nav {
    display: flex;
    align-items: center;
}

.site-nav a {
    margin-left: 35px;
    font-size: 13px;
    color: #444;
    font-weight: 500;
    position: relative;
    letter-spacing: 0.05em;
}

/* ホバー時の下線アニメーション */
.site-nav a:not(.nav-btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 1px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.site-nav a:not(.nav-btn):hover {
    color: #000;
}

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

.nav-btn {
    background: var(--bg-dark);
    color: #fff !important;
    border: none;
    padding: 12px 28px;
    border-radius: 2px;
    transition: transform 0.3s, background 0.3s;
}

.nav-btn:hover {
    background: #333;
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Hero */
.hero {
    /* height: 100vh; Removed to allow scrolling on small screens/long text */
    min-height: 100vh;
    padding-top: 100px; /* Space for fixed header + breathing room */
    padding-bottom: 60px;
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--bg-light); /* 明るいグレー背景に戻す */
    box-sizing: border-box; /* Ensure padding is included in height */
}

.hero-bg {
    position: absolute;
    right: 0;
    top: 0;
    width: 48%; /* 画像幅を少し狭めて被りを防ぐ */
    height: 100%;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.05); /* 明るく清潔に */
}

.hero-content {
    width: 52%; /* テキストエリアを確保 */
    padding-left: 8%;
    padding-right: 20px; /* 画像との間に余白 */
    z-index: 2;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-sub {
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 20px;
    display: block;
    letter-spacing: 0.2em;
}

.hero-title {
    font-size: 42px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-desc {
    font-size: 15px;
    color: var(--text-sub);
    margin-bottom: 50px;
    border-left: 1px solid var(--accent-color);
    padding-left: 20px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-align: center;
}

.hero-btn.primary {
    background: var(--bg-dark);
    color: #fff;
}

.hero-btn.secondary {
    border: 1px solid #ddd;
    background: #fff;
    color: var(--text-color);
}

/* Intro / Pain */
.intro-section {
    padding: 120px 0;
    text-align: center;
}

.intro-lead h3 {
    font-size: 28px;
    margin-bottom: 60px;
    font-weight: 400;
}

.pain-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.pain-item {
    width: 260px;
    text-align: center;
    padding: 30px 25px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
}

.pain-item p {
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
}

.intro-mechanism {
    font-family: var(--font-mincho);
    font-size: 20px;
    margin-top: 60px;
}

.intro-mechanism strong {
    background: linear-gradient(transparent 60%, #e0e0e0 60%); /* マーカー風 */
    font-weight: 500;
}

/* Features */
.feature-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.en-label {
    display: block;
    font-size: 12px;
    color: var(--accent-color);
    letter-spacing: 0.2em;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-header h2 {
    font-size: 32px;
    margin: 0;
    font-weight: 400;
}

.feature-rows {
    max-width: 900px;
    margin: 0 auto;
}

.feature-row {
    background: #fff;
    padding: 60px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02); /* 繊細な影 */
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.f-text {
    flex: 1;
}

.f-text h3 {
    font-size: 22px;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    color: var(--text-color);
    line-height: 1.6;
}

.f-text p {
    font-size: 15px;
    color: var(--text-sub);
    text-align: justify;
    line-height: 2;
}

.f-img {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.f-img img {
    max-width: 80%;
    height: auto;
    /* transition: transform 0.6s ease; */
}

/* Mobile Responsive for Feature Row */
@media (max-width: 768px) {
    .feature-row, .feature-row.reverse {
        flex-direction: column;
        padding: 40px 20px;
        gap: 30px;
    }
    .f-img img {
        max-width: 60%; /* Keep illustrations smaller on mobile */
    }
}

/* Works */
.works-section {
    padding: 120px 0;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.work-card {
    display: block;
    transition: transform 0.3s;
}

.work-card:hover {
    transform: translateY(-5px);
}

.work-thumb {
    height: 220px;
    overflow: hidden;
    margin-bottom: 25px;
}

.work-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    filter: grayscale(20%); /* 少し彩度を落として統一感 */
}

.work-card:hover .work-thumb img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.w-cat {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: #999;
    display: block;
    margin-bottom: 10px;
}

.work-info h4 {
    font-size: 18px;
    margin: 0 0 10px 0;
    font-family: var(--font-gothic); /* 作品名はゴシックでモダンに */
}

.work-info p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.8;
}

.works-note {
    text-align: center;
    font-size: 12px;
    color: #ccc;
    margin-top: 60px;
}

/* Campaign & Price */
.price-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.campaign-box {
    background: #fff;
    border: 1px solid #ddd; /* ギラギラさせず、シンプルな線 */
    padding: 60px;
    max-width: 800px;
    margin: 0 auto 100px;
    text-align: center;
    position: relative;
}

/* 上品なフレーム装飾 */
.campaign-box::after {
    content: '';
    position: absolute;
    top: 5px; left: 5px; right: 5px; bottom: 5px;
    border: 1px solid #f0f0f0;
    pointer-events: none;
}

.campaign-tag {
    display: inline-block;
    color: var(--accent-color);
    font-size: 13px;
    letter-spacing: 0.2em;
    border-bottom: 1px solid var(--accent-color);
    padding-bottom: 5px;
    margin-bottom: 30px;
}

.campaign-box h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.c-desc {
    font-size: 15px;
    margin-bottom: 40px;
    color: var(--text-sub);
}

.c-price {
    margin-bottom: 40px;
}

.c-label {
    display: block;
    font-size: 14px;
    color: #999;
}

.c-value {
    font-size: 42px;
    font-family: var(--font-mincho);
    color: var(--text-color); /* 黒でシックに */
}

/* Action Area (Side by side) */
.c-action-area {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;
    text-align: left;
}

.c-cond {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
    color: var(--text-sub);
}

@media (max-width: 768px) {
    .c-action-area {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    .c-cond {
        display: inline-block;
        text-align: left;
    }
}

.c-cond li::before {
    content: '・';
    margin-right: 10px;
    color: #ccc;
}

.c-btn {
    display: inline-block; /* フレックス内なのでinline-blockでもblockでもOKだが、幅なりにする */
    background: var(--bg-dark);
    color: #fff;
    padding: 18px 60px;
    font-size: 15px;
    letter-spacing: 0.1em;
    transition: opacity 0.3s;
    margin: 0; /* マージンリセット */
}

.c-btn:hover {
    opacity: 0.8;
}

/* Regular Plans (Mini) */
.plan-sub {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.plan-sub h4 {
    font-size: 16px;
    color: #999;
    font-weight: normal;
    margin-bottom: 30px;
}

.plan-grid-mini {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 30px;
    background: #fff;
    border: 1px solid #eee;
}

.p-mini span {
    display: block;
    font-size: 12px;
    color: #999;
    margin-bottom: 5px;
}

.p-mini strong {
    font-family: var(--font-mincho);
    font-size: 18px;
    color: var(--text-color);
}

/* Flow */
.flow-section {
    padding: 120px 0;
}

.step-list {
    display: flex;
    justify-content: space-between;
    gap: 0; /* 線でつなぐため */
    position: relative;
}

/* 線をつなぐ演出があれば良いが、基本はシンプルに */
.step-item {
    flex: 1;
    padding: 0 20px;
    text-align: center;
    position: relative;
}

.step-item:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -10px;
    top: 20px;
    color: #ccc;
    font-family: var(--font-mincho);
}

.s-head {
    font-family: var(--font-mincho);
    font-size: 16px;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: block;
}

.step-item p strong {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
}

.step-item p {
    font-size: 13px;
    color: var(--text-sub);
}

/* Policy */
.policy-section {
    padding: 60px 0;
    background: #fafafa;
}

.policy-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    border: 1px dashed #ddd; /* 控えめな境界線 */
}

.policy-box h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.policy-box ul {
    list-style: none;
    padding: 0;
}

.policy-box li {
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 5px;
}

/* Creator Profile */
.profile-section {
    padding: 100px 0;
    background: #fff;
}

.profile-inner {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.profile-image {
    flex: 1;
    max-width: 300px;
}

.profile-image img {
    width: 100%;
    border-radius: 4px; /* あえて少し角を残して知的に */
    filter: sepia(0.05); /* ほんの少し温かみを */
    box-shadow: 20px 20px 0 var(--bg-light);
}

.profile-content {
    flex: 1.5;
}

.p-job {
    display: block;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.profile-content h3 {
    font-size: 26px;
    margin-bottom: 30px;
    line-height: 1.6;
}

.profile-content p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 2;
    margin-bottom: 30px;
    text-align: justify;
}

.p-sign {
    font-family: var(--font-mincho);
    font-size: 20px;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .profile-inner {
        flex-direction: column;
        gap: 30px;
    }
    .profile-image {
        max-width: 100%;
        width: 80%;
    }
}

/* Contact */
.contact-section {
    padding: 120px 0;
    text-align: center;
}

.contact-lead {
    font-size: 16px;
    margin-bottom: 60px;
    line-height: 2;
}

.google-form-btn {
    display: inline-block;
    border: 1px solid var(--text-color);
    padding: 25px 80px;
    text-align: center;
    color: var(--text-color);
    position: relative;
    background: transparent;
    transition: all 0.3s;
}

.google-form-btn:hover {
    background: var(--text-color);
    color: #fff;
}

.google-form-btn span {
    font-size: 11px;
    display: block;
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

.google-form-btn strong {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.contact-sub {
    font-size: 12px;
    color: #999;
    margin-top: 20px;
}

/* Footer */
.site-footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #eee;
    font-size: 11px;
    color: #999;
}

.footer-logo {
    font-family: var(--font-mincho);
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 15px;
}

/* Animation & Utility */
.js-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.0s cubic-bezier(0.16, 1, 0.3, 1), transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.no-scroll {
    overflow: hidden;
}

.hamburger-btn {
    display: none; /* Default hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

/* Enhanced Campaign Box */
.campaign-box {
    position: relative;
    background: #fff;
    padding: 60px;
    max-width: 800px;
    margin: 0 auto 100px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(197, 160, 89, 0.15); /* Soft Gold Shadow */
    border-radius: 2px;
}

.campaign-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 2px;
    padding: 2px; /* Border width */
    background: linear-gradient(45deg, #C5A059, #f3e5c2, #C5A059);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
/* Overwrite previous after pseudo if needed or keep for double border effect. 
   Creating a cleaner single border look might be better. 
   Removing the old ::after style via replacement might be tricky without multiple chunks.
   So I will just ensure this looks good. */

/* Responsive */
@media (max-width: 768px) {
    /* Mobile Header & Nav */
    .header-inner {
        padding: 0 20px;
    }

    .hamburger-btn {
        display: block;
        width: 30px;
        height: 22px;
        position: relative;
    }

    .hamburger-btn span {
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #333;
        transition: all 0.3s;
    }

    .hamburger-btn span:nth-child(1) { top: 0; }
    .hamburger-btn span:nth-child(2) { top: 10px; }
    .hamburger-btn span:nth-child(3) { bottom: 0; }

    .hamburger-btn.is-active span:nth-child(1) {
        transform: rotate(45deg);
        top: 10px;
    }
    .hamburger-btn.is-active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger-btn.is-active span:nth-child(3) {
        transform: rotate(-45deg);
        bottom: 10px;
    }

    .site-nav {
        display: flex; /* Need flex for centering */
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(5px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000; /* Behind hamburger */
        padding-top: 60px; /* Space for header */
        pointer-events: none;
    }

    .site-nav.is-active {
        transform: translateX(0);
        pointer-events: auto;
    }

    .site-nav a {
        margin-left: 0;
        font-size: 18px;
        font-family: var(--font-mincho);
    }
    
    .site-nav a:not(.nav-btn) {
        display: block; /* Override default cleanup */
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.4s ease 0.2s, transform 0.4s ease 0.2s;
    }
    
    .site-nav.is-active a:not(.nav-btn) {
        opacity: 1;
        transform: translateY(0);
    }

    .logo {
        font-size: 18px;
        z-index: 1001; /* Ensure logo is visible */
        position: relative;
    }
    
    .logo img {
        height: 26px;
    }

    /* Hero Responsive */
    .hero {
        flex-direction: column;
        height: auto;
        min-height: auto; /* Reset desktop min-height */
        padding-top: 80px; /* Header space */
        padding-bottom: 60px;
    }
    .hero-bg, .hero-content {
        width: 100%;
        position: static;
    }
    .hero-bg {
        height: 300px;
        margin-bottom: 40px;
        width: 100%;
        padding: 0;
    }
    .hero-bg img {
        height: 100%;
        width: 100%;
        object-fit: cover;
    }
    .hero-content {
        padding: 0 20px;
    }
    .hero-title {
        font-size: 32px;
        margin-bottom: 30px;
    }
    .hero-sub {
        margin-bottom: 15px;
    }
    .hero-actions {
        flex-direction: column;
        gap: 15px;
    }
    .hero-btn {
        width: 100%;
        box-sizing: border-box;
    }

    /* General Mobile Adjustments */
    .intro-section { padding: 80px 0; }
    .feature-section { padding: 80px 0; }
    .works-section { padding: 80px 0; }
    
    .intro-lead h3 {
        font-size: 24px;
        margin-bottom: 40px;
    }
    .pain-list, .step-list, .plan-grid-mini {
        flex-direction: column;
        align-items: center;
    }
    .pain-item {
        width: 100%;
        max-width: 320px;
        box-sizing: border-box;
    }
    .step-item:not(:last-child)::after {
        content: '↓';
        right: 50%;
        top: auto;
        bottom: -25px;
        transform: translateX(50%);
    }
    .step-list {
        gap: 30px;
    }
    .step-item {
        margin-bottom: 10px;
    }
    
    .campaign-box {
        padding: 40px 20px;
    }
    .c-value {
        font-size: 36px;
    }
    .c-action-area {
        gap: 30px;
    }
    
    .profile-inner {
        flex-direction: column;
    }
    .profile-image {
        width: 100%;
        margin-bottom: 20px;
    }
    .profile-image img {
        box-shadow: 10px 10px 0 var(--bg-light);
    }
}