@charset "UTF-8";

/* ===========================================
   経営姿勢ページ
   デザイン経営宣言ページに準拠したデザイン
   =========================================== */

/* ---------- base ---------- */
.ph {
    font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic",
        "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
    color: #263238;
    line-height: 1.9;
    font-size: 15px;
    background: #fff;
}

.footer_contact { display: none !important; }

.ph-sp { display: none; }
.ph-pc { display: inline; }
@media (max-width: 768px) {
    .ph-sp { display: inline; }
    .ph-pc { display: none; }
}

.ph-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.ph-inner--narrow { max-width: 860px; }

/* ---------- HERO ---------- */
.ph-hero {
    position: relative;
    height: auto;
    padding: 120px 0;
    overflow: hidden;
    background: #0e1c2f;
}

.ph-hero__images {
    position: absolute;
    inset: 0;
}

.ph-hero__img {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ph-hero__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.4) saturate(0.7);
}

.ph-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(13,115,119,0.45) 0%, rgba(14,28,47,0.7) 100%);
    z-index: 1;
}

.ph-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.ph-hero__en {
    font-family: 'Inter', sans-serif;
    font-size: clamp(11px, 1.4vw, 14px);
    letter-spacing: 0.35em;
    color: rgba(255,255,255,0.4);
    font-weight: 400;
    margin-bottom: 24px;
    line-height: 1.8;
    animation: ph-up .9s ease-out .2s both;
}

.ph-hero__title {
    font-family: "Noto Serif JP", "游明朝", "Yu Mincho", serif;
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 300;
    color: #fff;
    letter-spacing: .1em;
    line-height: 1.4;
    border: none;
    padding: 0;
    margin: 0 0 24px;
    animation: ph-up .9s ease-out .45s both;
}

.ph-hero__title strong {
    font-weight: 500;
}

.ph-hero__lead {
    font-size: clamp(13px, 1.6vw, 16px);
    color: rgba(255,255,255,0.65);
    line-height: 1.9;
    margin-bottom: 32px;
    animation: ph-up .9s ease-out .7s both;
}

.ph-hero__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #4db6ac;
    text-decoration: none;
    border: 1px solid rgba(77,182,172,0.4);
    padding: 10px 22px;
    border-radius: 50px;
    transition: background .3s, border-color .3s;
    animation: ph-up .9s ease-out .9s both;
}

.ph-hero__link:hover {
    background: rgba(77,182,172,0.12);
    border-color: #4db6ac;
    color: #4db6ac;
}

@keyframes ph-up {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- パンくず ---------- */
.ph-bread {
    background: #fff;
    border-bottom: 1px solid #e5e9ec;
}

.ph-bread .ph-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 13px;
    padding-bottom: 13px;
    font-size: 12px;
    color: #90a4ae;
    flex-wrap: wrap;
}

.ph-bread a {
    color: #90a4ae;
    text-decoration: none;
    transition: color .3s;
}

.ph-bread a:hover { color: #0D7377; }

.ph-bread span { color: #cfd8dc; }

.ph-bread em {
    font-style: normal;
    color: #263238;
    font-weight: 500;
}

/* ---------- セクション共通 ---------- */
.ph-sec { position: relative; }

.ph-sec--white { background: #fff; }

.ph-sec--light { background: #f5f7fa; }

.ph-sec--white .ph-inner,
.ph-sec--light .ph-inner {
    padding-top: 100px;
    padding-bottom: 100px;
}

.ph-sec__head {
    margin-bottom: 48px;
}

.ph-sec__en {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .28em;
    color: #0D7377;
    margin-bottom: 10px;
    display: inline-block;
    position: relative;
    padding-bottom: 8px;
}

.ph-sec__en::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: #0D7377;
}

.ph-sec__ttl {
    font-family: "Noto Serif JP", "游明朝", serif;
    font-size: clamp(26px, 3.6vw, 40px);
    font-weight: 400;
    color: #1a2744;
    line-height: 1.45;
    letter-spacing: .06em;
    border: none;
    padding: 0;
    margin: 0;
}

.ph-sec__lead {
    font-size: 15px;
    color: #546e7a;
    line-height: 2.1;
    margin-bottom: 48px;
}

/* ---------- デザイン経営宣言ブロック ---------- */
.ph-dm {
    background: #fff;
    overflow: hidden;
}

.ph-dm__head {
    padding: 0 0 40px;
}

.ph-dm__badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    background: #0D7377;
    color: #fff;
    padding: 5px 16px;
    border-radius: 50px;
    letter-spacing: .06em;
    margin-bottom: 20px;
}

.ph-dm__title {
    font-family: "Noto Serif JP", "游明朝", serif;
    font-size: clamp(20px, 2.8vw, 28px);
    font-weight: 400;
    color: #1a2744;
    line-height: 1.6;
    margin-bottom: 18px;
    border: none;
    padding: 0;
}

.ph-dm__body {
    font-size: 14px;
    color: #546e7a;
    line-height: 2;
}

.ph-dm__pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.ph-dm__pillar {
    position: relative;
    overflow: hidden;
}

.ph-dm__pillar-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.ph-dm__pillar-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ph-dm__pillar-no {
    position: absolute;
    bottom: 10px;
    left: 14px;
    font-family: 'Inter', sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: rgba(255,255,255,.2);
    line-height: 1;
}

.ph-dm__pillar-body {
    padding: 24px 24px 28px;
    background: #fff;
}

.ph-dm__pillar-cat {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: .02em;
}

.ph-dm__pillar[data-accent="blue"] .ph-dm__pillar-cat { color: #185FA5; }
.ph-dm__pillar[data-accent="purple"] .ph-dm__pillar-cat { color: #5C4B8A; }
.ph-dm__pillar[data-accent="green"] .ph-dm__pillar-cat { color: #0F6E56; }

.ph-dm__pillar-ttl {
    font-family: "Noto Serif JP", "游明朝", serif;
    font-size: 17px;
    font-weight: 400;
    color: #1a2744;
    line-height: 1.5;
    margin-bottom: 10px;
}

.ph-dm__pillar-desc {
    font-size: 13px;
    color: #78909c;
    line-height: 1.75;
}

.ph-dm__foot {
    padding: 32px 48px 48px;
    text-align: center;
}

/* ---------- ボタン ---------- */
.ph-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
    background: #0D7377;
    padding: 14px 32px;
    border-radius: 50px;
    transition: opacity .3s, box-shadow .3s;
    letter-spacing: .03em;
}

.ph-btn svg {
    transition: transform .3s;
}

.ph-btn:hover {
    opacity: .85;
    color: #fff;
    box-shadow: 0 6px 20px rgba(13,115,119,.25);
}

.ph-btn:hover svg { transform: translateX(3px); }

/* ---------- 3つの実践宣言 ---------- */
.ph-decls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ph-decl {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 0;
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0,0,0,.06);
    background: #fff;
}

.ph-decl__img {
    position: relative;
    overflow: hidden;
    min-height: 240px;
}

.ph-decl__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ph-decl__body {
    padding: 36px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ph-decl__meta {
    margin-bottom: 12px;
}

.ph-decl__tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 50px;
    letter-spacing: .02em;
}

.ph-decl__tag--green {
    background: #E1F5EE;
    color: #085041;
}

.ph-decl__tag--blue {
    background: #E6F1FB;
    color: #0C447C;
}

.ph-decl__tag--olive {
    background: #EAF3DE;
    color: #27500A;
}

.ph-decl__name {
    font-family: "Noto Serif JP", "游明朝", serif;
    font-size: clamp(18px, 2.2vw, 22px);
    font-weight: 400;
    color: #1a2744;
    line-height: 1.5;
    margin-bottom: 14px;
    border: none;
    padding: 0;
    background: none;
}

.ph-decl__desc {
    font-size: 14px;
    color: #546e7a;
    line-height: 1.95;
    margin-bottom: 20px;
}

.ph-decl__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #0D7377;
    text-decoration: none;
    transition: color .3s;
}

.ph-decl__link:hover {
    color: #185FA5;
}

/* ---------- 締めセクション ---------- */
.ph-sec--dark {
    background: #0e1c2f;
}

.ph-sec--dark .ph-inner {
    padding-top: 100px;
    padding-bottom: 100px;
}

.ph-closing {
    max-width: 700px;
    margin: 0 auto;
}

.ph-closing__text {
    font-size: 15px;
    color: rgba(255,255,255,.85);
    line-height: 2.15;
    margin-bottom: 18px;
}

.ph-closing__text:last-of-type {
    margin-bottom: 0;
}

.ph-closing__sig {
    font-size: 13px;
    color: rgba(255,255,255,.4);
    text-align: right;
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 24px;
    margin-top: 28px;
}

/* ---------- フェードイン ---------- */
.ph-fadein {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity .8s ease-out, transform .8s ease-out;
}

.ph-fadein.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================================
   レスポンシブ
   =========================================== */
@media (max-width: 1024px) {
    .ph-dm__pillars { grid-template-columns: 1fr; }

    .ph-decl {
        grid-template-columns: 260px 1fr;
    }
}

@media (max-width: 768px) {
    .ph-inner {
        padding-left: 20px;
        padding-right: 20px;
    }

    .ph-hero { padding: 80px 0; }

    .ph-sec--white .ph-inner,
    .ph-sec--light .ph-inner {
        padding-top: 64px;
        padding-bottom: 64px;
    }

    .ph-sec--dark .ph-inner {
        padding-top: 64px;
        padding-bottom: 64px;
    }

    .ph-sec__head { margin-bottom: 32px; }

    .ph-dm__head {
        padding: 32px 24px 28px;
    }

    .ph-dm__foot {
        padding: 24px 24px 36px;
    }

    .ph-dm__pillar-img { height: 180px; }

    .ph-dm__pillar-body { padding: 20px; }

    .ph-decl {
        grid-template-columns: 1fr;
    }

    .ph-decl__img { min-height: 200px; }

    .ph-decl__body {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .ph-hero { padding: 60px 0; }

    .ph-sec--white .ph-inner,
    .ph-sec--light .ph-inner {
        padding-top: 48px;
        padding-bottom: 48px;
    }

    .ph-sec--dark .ph-inner {
        padding-top: 48px;
        padding-bottom: 48px;
    }

    .ph-dm__pillar-img { height: 160px; }

    .ph-decl__img { min-height: 180px; }
}