* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
color: #333;
background: linear-gradient(135deg, #fff5eb 0%, #ffffff 100%);
line-height: 1.8;
}
/* ヘッダー */
.site-crown {
background: linear-gradient(165deg, #ff8c42 0%, #ff6b35 50%, #ff4500 100%);
padding: 2rem 1.5rem;
box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
position: relative;
overflow: hidden;
}
.site-crown::before {
content: '';
position: absolute;
top: -50%;
right: -10%;
width: 300px;
height: 300px;
background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
border-radius: 50%;
}
.site-crown::after {
content: '';
position: absolute;
bottom: -30%;
left: -5%;
width: 200px;
height: 200px;
background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
border-radius: 50%;
}
.brand-title {
font-size: 2rem;
font-weight: 700;
color: #ffffff;
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
letter-spacing: 0.05em;
}
.brand-link {
text-decoration: none;
display: inline-block;
position: relative;
z-index: 1;
color: #ffffff;
transition: transform 0.3s ease;
}
.brand-link:hover {
transform: translateY(-2px);
}
.hero-visual {
max-width: 700px;
margin: 0 auto;
position: relative;
z-index: 1;
}
.hero-banner {
width: 100%;
height: auto;
display: block;
border-radius: 8px;
margin-top: 1.5rem;
box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}
/* メインコンテナ */
.main-wrapper {
max-width: 700px;
margin: 3rem auto;
padding: 0 1.5rem;
}
.content-zone {
background: #ffffff;
padding: 2.5rem;
border-radius: 12px;
box-shadow: 0 2px 16px rgba(255, 107, 53, 0.08);
border: 1px solid rgba(255, 140, 66, 0.1);
}
.content-zone p {
margin-bottom: 1.5rem;
}
.content-zone p:last-child {
margin-bottom: 0;
}
.content-zone img {
display: block;
margin: 2rem auto;
max-width: 100%;
height: auto;
border-radius: 6px;
}
/* 見出し */
.content-zone h2 {
font-size: 1.75rem;
color: #ff6b35;
margin: 2.5rem 0 1.5rem;
padding: 0.8rem 1.2rem;
background: linear-gradient(to right, #fff5eb 0%, #ffffff 100%);
border-left: 6px solid #ff8c42;
border-radius: 0 8px 8px 0;
box-shadow: 0 2px 8px rgba(255, 107, 53, 0.1);
position: relative;
}
.content-zone h2::after {
content: '\25B6';
position: absolute;
right: 1.2rem;
top: 50%;
transform: translateY(-50%);
color: #ff8c42;
font-size: 0.8rem;
opacity: 0.5;
}
.content-zone h2:first-child {
margin-top: 0;
}
.content-zone h3 {
font-size: 1.4rem;
color: #ff7849;
margin: 2rem 0 1.2rem;
padding: 0.6rem 0 0.6rem 1rem;
border-left: 4px solid #ffb38a;
border-bottom: 2px solid #fff5eb;
position: relative;
}
.content-zone h3::before {
position: absolute;
left: 0.3rem;
top: 50%;
transform: translateY(-50%);
color: #ff8c42;
font-size: 0.7rem;
}
.content-zone h4 {
font-size: 1.2rem;
color: #ff8552;
margin: 1.8rem 0 1rem;
padding-left: 1.5rem;
position: relative;
}
.content-zone h4::before {
content: '\25C6';
position: absolute;
left: 0;
top: 50%;
transform: translateY(-50%);
color: #ffb38a;
font-size: 1rem;
}
/* リスト */
.content-zone ul,
.content-zone ol {
margin: 1.5rem 0;
padding-left: 2rem;
}
.content-zone ul li,
.content-zone ol li {
margin-bottom: 0.8rem;
line-height: 1.9;
}
.content-zone ul li {
list-style: none;
position: relative;
padding-left: 1.5rem;
}
.content-zone ul li::before {
content: '\25B8';
position: absolute;
left: 0;
color: #ff8c42;
font-weight: bold;
}
.content-zone ol li {
padding-left: 0.5rem;
}
/* テーブル */
.content-zone table {
width: 100%;
border-collapse: collapse;
margin: 2rem 0;
background: #ffffff;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 2px 12px rgba(255, 107, 53, 0.08);
}
.content-zone table th {
background: linear-gradient(to bottom, #ff8c42 0%, #ff7849 100%);
color: #ffffff;
padding: 1rem;
text-align: left;
font-weight: 600;
border-bottom: 3px solid #ff6b35;
}
.content-zone table td {
padding: 1rem;
border-bottom: 1px solid #ffe8d6;
}
.content-zone table tr:last-child td {
border-bottom: none;
}
.content-zone table tr:nth-child(even) {
background: #fff5eb;
}
.content-zone table tr:hover {
background: #fff0e0;
}
/* フッター */
.site-foundation {
background: linear-gradient(to bottom, #2c2c2c 0%, #1a1a1a 100%);
color: #e0e0e0;
padding: 3rem 1.5rem 2rem;
margin-top: 4rem;
}
.footer-container {
max-width: 700px;
margin: 0 auto;
}
.nav-cluster {
display: flex;
flex-wrap: wrap;
gap: 1rem 2rem;
margin-bottom: 2rem;
padding-bottom: 2rem;
border-bottom: 1px solid #3a3a3a;
}
.nav-cluster a {
color: #e0e0e0;
text-decoration: none;
transition: color 0.3s ease;
position: relative;
}
.nav-cluster a::after {
content: '';
position: absolute;
bottom: -2px;
left: 0;
width: 0;
height: 2px;
background: #ff8c42;
transition: width 0.3s ease;
}
.nav-cluster a:hover {
color: #ff8c42;
}
.nav-cluster a:hover::after {
width: 100%;
}
.copyright-area {
text-align: center;
font-size: 0.9rem;
color: #999;
}
.footer-brand {
color: #e0e0e0;
text-decoration: none;
transition: color 0.3s ease;
}
.footer-brand:hover {
color: #ff8c42;
}
/* レスポンシブ */
@media (max-width: 768px) {
.brand-title {
font-size: 1.5rem;
}
.content-zone {
padding: 1.5rem;
}
.content-zone h2 {
font-size: 1.4rem;
padding: 0.6rem 1rem;
}
.content-zone h3 {
font-size: 1.2rem;
}
.content-zone h4 {
font-size: 1.1rem;
}
.content-zone table {
font-size: 0.9rem;
}
.content-zone table th,
.content-zone table td {
padding: 0.7rem;
}
.nav-cluster {
gap: 0.8rem 1.5rem;
}
}
/* カード型リンク */
.link-deck {
display: grid;
grid-template-columns: 1fr;
gap: 1.5rem;
margin: 2rem 0;
}
.link-card {
display: block;
background: linear-gradient(135deg, #fff5eb 0%, #ffffff 100%);
border: 2px solid #ffe8d6;
border-radius: 12px;
padding: 1.5rem;
text-decoration: none;
color: #333;
transition: all 0.3s ease;
position: relative;
overflow: hidden;
box-shadow: 0 2px 8px rgba(255, 107, 53, 0.1);
}
.link-card::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 4px;
height: 100%;
background: linear-gradient(to bottom, #ff8c42 0%, #ff6b35 100%);
transform: scaleY(0);
transform-origin: bottom;
transition: transform 0.3s ease;
}
.link-card:hover {
transform: translateY(-4px);
box-shadow: 0 8px 24px rgba(255, 107, 53, 0.2);
border-color: #ffb38a;
}
.link-card:hover::before {
transform: scaleY(1);
transform-origin: top;
}
.card-label {
display: inline-block;
background: linear-gradient(to right, #ff8c42 0%, #ff7849 100%);
color: #ffffff;
font-size: 0.75rem;
font-weight: 600;
padding: 0.3rem 0.8rem;
border-radius: 4px;
margin-bottom: 0.8rem;
letter-spacing: 0.05em;
}
.card-headline {
font-size: 1.3rem;
color: #ff6b35;
margin: 0 0 0.8rem 0;
font-weight: 600;
line-height: 1.5;
}
.card-snippet {
color: #666;
font-size: 0.95rem;
line-height: 1.7;
margin: 0 0 1rem 0;
}
.card-action {
display: inline-flex;
align-items: center;
color: #ff8c42;
font-weight: 600;
font-size: 0.9rem;
transition: gap 0.3s ease;
gap: 0.3rem;
}
.card-action::after {
content: '\25B6';
font-size: 0.7rem;
transition: transform 0.3s ease;
}
.link-card:hover .card-action {
gap: 0.6rem;
}
.link-card:hover .card-action::after {
transform: translateX(2px);
}
/* 2カラムレイアウト（画面幅に余裕がある場合） */
@media (min-width: 600px) {
.link-deck {
grid-template-columns: repeat(2, 1fr);
}
}