/* ============================================================
   Shirofune Security Policy — DESIGN.md準拠
   Canvas: #000 / Text: #FFF + glow
   Fonts: gothic (JP) / Allerta (EN label)
   ============================================================ */

body {
    font-family: 'gothic', "メイリオ", "Osaka", Arial, Sans-Serif;
    background: #000000;
    color: #FFFFFF;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    line-break: strict;
    word-break: auto-phrase;
    text-wrap: pretty;
}

a { color: #FFFFFF; text-decoration: underline; transition: color 0.3s; }
a:hover { color: #5c6592; }

.container {
    width: 95%;
    max-width: 1000px;
    margin: 0 auto;
}

.container-narrow {
    width: 90%;
    max-width: 600px;
    margin: 0 auto;
}

/* ------- Page Header ------- */

.page-header {
    width: 100%;
    padding: 24px 0;
    border-bottom: #FFFFFF 1px solid;
    background: #000;
}
.page-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.page-header .logo img { height: 26px; display: block; }
.page-header .back {
    font-family: 'Allerta', sans-serif;
    font-size: 12px;
    letter-spacing: 2px;
    color: #FFF;
    text-decoration: none;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}
.page-header .back:hover { color: #5c6592; }

/* ------- Hero ------- */

.hero {
    background: url(../img/bg/company.jpg) no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    background-color: #000;
    padding: 92px 0 74px;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero .label {
    font-family: 'Allerta', sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
    color: #FFFFFF;
    display: inline-block;
    border-bottom: #FFFFFF 2px solid;
    padding: 3px;
    margin-bottom: 24px;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}
.hero h1 {
    font-size: 26px;
    color: #FFFFFF;
    line-height: 1.4em;
    letter-spacing: 1px;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}

/* ------- Section base ------- */

section.block {
    padding: 46px 0;
    position: relative;
    background: #000;
}
section.block + section.block { border-top: rgba(255,255,255,0.08) 1px solid; }

h2.section-label {
    font-family: 'Allerta', sans-serif;
    font-size: 13px;
    letter-spacing: 2px;
    color: #FFFFFF;
    display: inline-block;
    border-bottom: #FFFFFF 2px solid;
    padding: 3px;
    margin-bottom: 14px;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}
h3.section-title {
    font-size: 20px;
    color: #FFFFFF;
    line-height: 1.4em;
    margin-bottom: 18px;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}

p.body {
    font-size: 14px;
    line-height: 1.85em;
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    max-width: 600px;
}
p.body.mb-lg { margin-bottom: 20px; }

p.lead {
    font-size: 15px;
    line-height: 1.95em;
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    margin-bottom: 30px;
    max-width: 600px;
}
p.lead.policy-lead { max-width: 900px; }
p.lead.policy-lead .line { display: block; }
p.lead.policy-lead .mobile-lines { display: none; }

/* ------- Policy items ------- */

ol.items {
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 900px;
}
ol.items > li {
    padding: 16px 0;
    border-top: rgba(255,255,255,0.12) 1px solid;
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 18px;
    align-items: start;
}
ol.items > li:last-child { border-bottom: rgba(255,255,255,0.12) 1px solid; }
ol.items > li .num {
    font-family: 'Allerta', sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    padding-top: 4px;
}
ol.items > li h4 {
    font-size: 16px;
    color: #FFFFFF;
    line-height: 1.5em;
    margin-bottom: 6px;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}
ol.items > li p {
    font-size: 13px;
    color: #FFFFFF;
    line-height: 1.85em;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    max-width: 760px;
}

/* ------- Signature block ------- */

.signature {
    margin-top: 26px;
    padding-top: 16px;
    border-top: rgba(255,255,255,0.12) 1px solid;
    font-size: 13px;
    line-height: 1.85em;
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    text-align: right;
    max-width: 900px;
}
.signature .company {
    display: inline-block;
    margin-top: 10px;
    font-size: 14px;
}
.signature .dates,
.signature .company {
    display: block;
}

/* ------- Definition list (適用範囲 用) ------- */

dl.def {
    max-width: 680px;
}
dl.def > div {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 20px;
    padding: 12px 0;
    border-bottom: rgba(255,255,255,0.12) 1px solid;
}
dl.def > div:first-child { border-top: rgba(255,255,255,0.12) 1px solid; }
dl.def dt {
    font-family: 'Allerta', sans-serif;
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.7);
    padding-top: 3px;
}
dl.def dd {
    font-size: 14px;
    line-height: 1.7em;
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}

/* ------- Contact ------- */

.contact p {
    font-size: 14px;
    line-height: 1.75em;
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    margin-bottom: 12px;
}
.contact .role {
    font-family: 'Allerta', sans-serif;
    font-size: 11px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.7);
    display: block;
    margin-bottom: 4px;
}
.contact a,
.contact a:visited {
    color: #FFFFFF;
    text-shadow: 0 0 26px rgba(150,150,150,1);
}
.contact a:hover { color: #5c6592; }

/* ------- Related links ------- */

ul.related {
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 680px;
}
ul.related > li {
    padding: 12px 0;
    border-bottom: rgba(255,255,255,0.12) 1px solid;
    font-size: 14px;
}
ul.related > li:first-child { border-top: rgba(255,255,255,0.12) 1px solid; }
ul.related a {
    background: url(../img/icon/right_w.svg) no-repeat left center;
    background-size: 24px 24px;
    padding: 4px 0 4px 32px;
    color: #FFFFFF;
    text-decoration: none;
    text-shadow: 0 0 26px rgba(150,150,150,1);
    display: inline-block;
    transition: color 0.3s;
}
ul.related a:hover { color: #5c6592; }

/* ------- Footer ------- */

footer.page-footer {
    width: 100%;
    background: #000;
    color: #FFFFFF;
    text-align: center;
    padding: 28px 16px;
    font-size: 11px;
    border-top: rgba(255,255,255,0.12) 1px solid;
}

/* ------- Fade-in animation ------- */

.fade {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ------- Responsive ------- */

@media (max-width: 1024px) {
    .hero { background-attachment: scroll; }
}

@media (max-width: 780px) {
    .hero { padding: 68px 0 54px; }
    .hero h1 { font-size: 20px; }
    section.block { padding: 40px 0; }
    h3.section-title { font-size: 18px; margin-bottom: 15px; }
    p.body, p.lead { font-size: 13px; }
    p.lead.policy-lead .desktop-lines { display: none; }
    p.lead.policy-lead .mobile-lines { display: block; }
    ol.items > li h4 { font-size: 15px; }
    ol.items > li { grid-template-columns: 52px 1fr; gap: 14px; padding: 15px 0; }
    dl.def > div { grid-template-columns: 120px 1fr; gap: 14px; padding: 10px 0; }
}

@media (max-width: 480px) {
    .hero { padding: 48px 0 38px; }
    .hero .label { font-size: 11px; margin-bottom: 16px; }
    .hero h1 { font-size: 18px; }
    section.block { padding: 34px 0; }
    h2.section-label { font-size: 11px; margin-bottom: 10px; }
    h3.section-title { font-size: 17px; margin-bottom: 13px; }
    p.body, p.lead { font-size: 12px; line-height: 1.75em; }
    p.lead { margin-bottom: 22px; }
    ol.items > li { grid-template-columns: 1fr; gap: 5px; padding: 13px 0; }
    ol.items > li .num { padding-top: 0; font-size: 12px; }
    ol.items > li h4 { font-size: 14px; margin-bottom: 6px; }
    ol.items > li p { font-size: 12px; line-height: 1.75em; }
    .signature { font-size: 11px; margin-top: 22px; padding-top: 14px; }
    .signature .company { font-size: 12px; margin-top: 6px; }
    dl.def > div { grid-template-columns: 1fr; gap: 2px; padding: 10px 0; }
    dl.def dd { font-size: 12px; }
    ul.related > li { font-size: 12px; padding: 10px 0; }
    ul.related a { background-size: 20px 20px; padding-left: 26px; }
    .contact p { font-size: 12px; }
}

@media (max-width: 320px) {
    .hero h1 { font-size: 16px; }
    h3.section-title { font-size: 16px; }
}