@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@500;600;700&display=swap');

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

h3 {
    font-family: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
    font-size: 2.5rem;
    line-height: 1.4;
    margin-bottom: 10px;
    text-align: left;
    color: #0071c1;
}
.logo {
    background-color: #ffffff;
    text-align: center;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.logo-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.slogan-wrap {
    /* margin-bottom: 0.25rem; */
}

.slogan-svg {
    display: block;
    width: min(320px, 85vw);
    height: auto;
}

.slogan-svg text {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    fill: #000000;
    letter-spacing: 0.08em;
}

.japanese-brand {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: clamp(20px, 4vw, 28px);
    color: #000000;
    letter-spacing: 0.12em;
    margin-bottom: 0.25rem;
}

.english-brand {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: clamp(42px, 10vw, 72px);
    color: #000000;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 1;
}

/* 背景＋白オーバーレイの見出しセクション（画像デザイン） */
.sectionTitle-hero {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 21vh;
    display: flex;
    align-items: flex-end;
    margin: 2rem 0;
    padding: 0 1.5rem;
}

.sectionTitle-hero-inner {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 4rem 2rem 3rem;
    padding-top: 5rem;
    background: #fff;
    position: relative;
}

.sectionTitle--hero {
    display: block;
    position: absolute;
    top: 70px;
    width: 100%;
    margin: 0 auto;
    margin-top: -2.2rem;
    font-family: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
    font-size: clamp(2rem, 5.5vw, 3.75rem);
    font-weight: 600;
    color: #4C3C34;
    text-align: center;
    line-height: 1.5;
    padding-bottom: 0;
    background-image: none;
    background-repeat: repeat-x;
    background-position: 0 100%;
    background-size: 24px 12px;
}

.sectionTitle-hero-follow {
    max-width: 600px;
    margin: 0 auto;
    padding: 1.5rem 2rem 2rem;
    background: #fff;
}

.sectionTitle-hero-lead {
    margin: 0;
    font-size: 1.95rem;
    line-height: 1.8;
    color: #4C3C34;
    text-align: center;
    font-family: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
}

/* 従来の .sectionTitle（他で使用時用：緑の2重波線・コンテンツ幅） */
.sectionTitle:not(.sectionTitle--hero) {
    display: block;
    width: fit-content;
    margin: 50px auto;
    font-size: clamp(1.125rem, 0.794rem + 1.6548vw, 2.5rem);
    font-weight: 300;
    text-align: center;
    line-height: 1.5;
    padding-bottom: 0.25em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 12'%3E%3Cpath d='M0 4 Q5 0 10 4 T20 4 T30 4 T40 4' fill='none' stroke='%23228b22' stroke-width='1.5'/%3E%3Cpath d='M0 8 Q5 4 10 8 T20 8 T30 8 T40 8' fill='none' stroke='%23228b22' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    background-position: 0 100%;
    background-size: 24px 12px;
}

/* 多孔質構造のメリット：スマホで画像を上に表示、PCでは画像は右のまま */
@media (max-width: 768px) {
    .column-2--image-first-on-sp {
        flex-direction: column-reverse;
    }
}

.about-silkfull {
    width: 100%;
    margin: 0 auto;
    padding: 48px;
    background: #F2EEE6;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(172, 204, 236, 0.04);
    font-family: 'Noto Sans JP', sans-serif;
    text-align: center;
}
@media (max-width: 768px) {
    .about-silkfull {
        padding: 24px;
    }
}

.title {
    font-size: 1.7em;
    font-weight: bold;
    margin: 0 0 1em 0;
    text-align: left;
}

.description {
    font-size: 1em;
    line-height: 1.8;
    margin-bottom: 24px;
    text-align: left;
}

.hero-image {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    width: 100%;
}

.hero-image img {
    width: min(360px, 100%);
    aspect-ratio: 1;
    height: auto;
    object-fit: cover;
    object-position: center;
    flex-shrink: 0;
    border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-radius 0.4s ease;
}

@media (max-width: 768px) {
    .hero-image img {
        width: min(360px, 85vw);
        max-width: 100%;
        aspect-ratio: 1;
        object-fit: cover;
    }
}

.hero-image img:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    border-radius: 45% 55% 40% 60% / 55% 45% 55% 45%;
}