/* ===================== COLORS ===================== */
:root {
    --blue: #1B2333;
    --white-mist: #F5F5F2;
    --ink: #1C1C1C;
    --gold: #C8A95A;
}

/* ===================== BASE ===================== */
body {
    margin: 0;
    font-family: "Avenir Next", "Inter", "Yu Mincho", serif;
    background: var(--white-mist);
    color: var(--ink);
    line-height: 1.8;
    font-size: 17px;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    color: var(--gold);
}

/* ===================== CONTAINER ===================== */
.container {
    max-width: 960px;
    margin: 0 auto;
}

/* 英語セクション用：横幅を少し絞る */
.narrow {
    max-width: 720px;
    margin: 0 auto;
}

/* ===================== HEADER ===================== */
.site-header {
    border-bottom: 1px solid rgba(0,0,0,0.08);
    background: var(--white-mist);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.site-title {
    font-family: "Optima", serif;
    font-size: 24px;
    letter-spacing: 0.18em;
    color: var(--blue);
}

.site-title a {
    color: var(--blue);
}

.site-title a:hover {
    color: var(--gold);
}

.site-nav a {
    margin-left: 20px;
    font-size: 15px;
}

/* ===================== HERO ===================== */
.hero {
    background: var(--blue);
    color: var(--white-mist);
    padding: 120px 24px 96px;
}

.hero-inner {
    max-width: 760px;
}

.hero-logo {
    width: 260px;
    height: auto;
    margin-bottom: 36px;
}

.hero-copy {
    font-size: 19px;
    max-width: 680px;
    opacity: 0.92;
    font-family: "Yu Mincho", serif;
    line-height: 1.9;
}

/* ===================== SECTION BASE ===================== */
.section {
    padding: 72px 24px;
}

.white {
    background: #ffffff;
}

.mist {
    background: var(--white-mist);
}

.section-title {
    font-size: 20px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 32px;
    color: var(--blue);
    position: relative;
}

.section-title::before {
    content: "•";
    position: absolute;
    left: -18px;
    color: var(--gold);
}

/* ===================== ABOUT ===================== */
.about-layout {
    display: flex;
    gap: 32px;
}

.about-text {
    flex: 1;
}

.about-name {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
    font-family: "Yu Mincho", serif;
    color: var(--blue);
}

.about-subtitle {
    font-size: 15px;
    margin: 20px 0 8px;
    font-family: "Yu Mincho", serif;
    letter-spacing: 0.1em;
    color: var(--blue);
}

.about-subtitle::before {
    content: "— ";
    color: var(--gold);
}

.about-body {
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 12px;
}

/* SNSリンク */
.about-links {
    font-size: 16px;
    margin: 8px 0 24px;
}

.about-link-sep {
    margin: 0 8px;
    color: var(--blue);
    opacity: 0.5;
}

/* ===================== SERVICES ===================== */
.section-lead {
    font-size: 17px;
    margin: 0 0 32px;
    font-family: "Yu Mincho", serif;
    line-height: 1.9;
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.service-title {
    font-size: 18px;
    margin: 0 0 8px;
    font-family: "Avenir Next", sans-serif;
    color: var(--blue);
}

.service-text {
    font-size: 16px;
    line-height: 1.9;
    margin: 0 0 6px;
}

.service-note {
    font-size: 14px;
    opacity: 0.85;
}

/* ===================== CONTACT ===================== */
.contact-text {
    font-size: 17px;
    margin-bottom: 12px;
}

.contact-link a {
    border-bottom: 1px solid var(--blue);
    padding-bottom: 2px;
    font-size: 18px;
}

.contact-link a:hover {
    border-color: var(--gold);
}

/* ===================== ENGLISH ===================== */
.english-block {
    padding-top: 8px;
}

.english-subtitle {
    font-size: 15px;
    margin: 28px 0 6px;
    font-family: "Avenir Next", sans-serif;
    letter-spacing: 0.08em;
    text-transform: none;
    color: var(--blue);
    opacity: 0.9;
}

.english-text {
    font-size: 15px;
    line-height: 1.9;
    margin: 0 0 20px;
    font-family: "Inter", sans-serif;
    color: var(--ink);
}

.english-mail {
    border-bottom: 1px solid var(--blue);
    padding-bottom: 2px;
}

/* ===================== FOOTER ===================== */
.site-footer {
    text-align: right;
    font-size: 13px;
    padding: 32px 24px 40px;
    color: var(--ink);
}

/* ===================== MOBILE ===================== */
@media (max-width: 720px) {

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .hero {
        padding: 80px 24px;
    }

    .hero-logo {
        width: 180px;
    }

    .about-layout {
        flex-direction: column;
    }

    .about-name {
        font-size: 22px;
    }

    body {
        font-size: 16px;
    }
}