:root {
    --blue: #063574;
    --blue2: #0c4e9b;
    --ink: #101b2c;
    --muted: #566273;
    --line: #d9e1ec;
    --soft: #f4f7fb;
    --red: #bd0e12;
    --gold: #d7a531;
    --white: #fff;
    --max: 1180px
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.75
}

img {
    display: block;
    max-width: 100%
}

a {
    color: inherit
}

.wrap {
    width: min(var(--max), calc(100% - 40px));
    margin: auto
}

.header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px)
}

.header-in {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px
}

.brand {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: .04em;
    color: var(--blue);
    text-decoration: none
}

.brand small {
    font-size: 14px;
    color: var(--ink);
    margin-left: 12px
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
    font-weight: 700
}

.nav a {
    text-decoration: none
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    background: var(--blue);
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    border-radius: 3px;
    border: 1px solid var(--blue);
    transition: .2s
}

.btn:hover {
    background: var(--blue2);
    transform: translateY(-1px)
}

.btn.white {
    background: #fff;
    color: var(--blue);
    border-color: #fff
}

.btn.outline {
    background: transparent;
    color: var(--blue)
}

.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(110deg, #fff 0%, #fff 45%, #edf3fa 100%);
    border-bottom: 1px solid var(--line)
}

.hero:after {
    content: "";
    position: absolute;
    inset: auto -10% -90px 0;
    height: 210px;
    background: linear-gradient(170deg, transparent 42%, rgba(12, 78, 155, .08) 43%, transparent 60%);
    pointer-events: none
}

.hero-grid {
    min-height: 650px;
    display: grid;
    grid-template-columns:1.0fr 1.0fr;
    gap: 44px;
    align-items: center;
    padding: 68px 0
}

.eyebrow {
    display: inline-flex;
    background: var(--blue);
    color: #fff;
    font-weight: 800;
    padding: 8px 16px;
    font-size: 14px;
    letter-spacing: .06em
}

.hero h1 {
    font-size: clamp(42px, 5.4vw, 74px);
    line-height: 1.08;
    margin: 24px 0 16px;
    color: var(--blue);
    letter-spacing: -.03em
}

.hero-lead {
    font-size: 22px;
    font-weight: 800;
    color: var(--blue);
    margin: 0 0 18px
}

.hero-copy {
    font-size: 17px;
    max-width: 560px;
    color: #283648
}

.badges {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 10px;
    margin-top: 28px
}

.badge {
    border: 1px solid #aec2df;
    background: #fff;
    text-align: center;
    padding: 15px 8px;
    font-weight: 800;
    color: var(--blue);
    font-size: 13px
}

.badge b {
    display: block;
    font-size: 23px;
    line-height: 1.1;
    margin-bottom: 6px
}

.hero-media {
    position: relative
}

.hero-media img {
    width: 100%;
    height: 560px;
    object-fit: contain;
    filter: drop-shadow(0 20px 20px rgba(0, 0, 0, .14))
}

.gold {
    position: absolute;
    top: 30px;
    right: 8px;
    width: 108px;
    height: 108px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    text-align: center;
    background: radial-gradient(circle at 35% 30%, #fff3b4, #d3a02d 60%, #a87512);
    border: 4px solid #e6c76a;
    color: #322200;
    font-weight: 900;
    line-height: 1.25;
    box-shadow: 0 8px 18px rgba(117, 78, 0, .25)
}

.price-strip {
    background: #fff;
    padding: 32px 0;
    border-bottom: 1px solid var(--line)
}

.price-box {
    display: grid;
    grid-template-columns:210px 1fr 270px;
    align-items: center;
    border: 1px solid #cfd9e7;
    box-shadow: 0 10px 30px rgba(20, 55, 105, .08)
}

.price-label {
    height: 100%;
    background: var(--blue);
    color: #fff;
    padding: 24px
}

.price-label strong {
    display: block;
    font-size: 20px
}

.price-main {
    padding: 24px 34px
}

.price-main .cap {
    color: var(--red);
    font-weight: 900;
    font-size: 20px
}

.price-num {
    font-size: clamp(54px, 7vw, 92px);
    font-weight: 900;
    line-height: 1;
    color: var(--red);
    letter-spacing: -.04em
}

.price-num small {
    font-size: .32em
}

.tax {
    font-size: 18px;
    font-weight: 800;
    color: var(--red);
    margin-left: 8px
}

.price-note {
    font-size: 12px;
    color: var(--muted);
    margin-top: 10px
}

.price-cta {
    padding: 24px;
    text-align: center
}

.price-cta p {
    font-size: 13px;
    color: var(--muted)
}

section {
    padding: 82px 0
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 36px
}

.kicker {
    color: var(--blue2);
    font-weight: 900;
    font-size: 13px;
    letter-spacing: .12em
}

.section-head h2 {
    font-size: 38px;
    line-height: 1.25;
    margin: 5px 0 0;
    color: var(--blue)
}

.section-head p {
    max-width: 520px;
    color: var(--muted);
    margin: 0
}

.features {
    background: var(--soft)
}

.feature-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 18px
}

.feature {
    background: #fff;
    border: 1px solid var(--line);
    padding: 26px
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    border: 2px solid var(--blue);
    color: var(--blue);
    font-weight: 900;
    font-size: 24px
}

.feature h3 {
    margin: 18px 0 8px;
    color: var(--blue);
    font-size: 20px
}

.feature p {
    margin: 0;
    color: var(--muted);
    font-size: 14px
}

.gallery-grid {
    display: grid;
    grid-template-columns:1.15fr .85fr;
    gap: 18px
}

.gallery-main, .gallery-sub {
    border: 1px solid var(--line);
    background: #fff
}

.gallery-main img {
    width: 100%;
    height: 560px;
    object-fit: contain;
    background: #f8fafc
}

.gallery-stack {
    display: grid;
    grid-template-rows:1fr 1fr;
    gap: 18px
}

.gallery-sub img {
    width: 100%;
    height: 244px;
    object-fit: contain
}

.capline {
    padding: 12px 16px;
    background: var(--blue);
    color: #fff;
    font-weight: 800;
    font-size: 14px
}

.specs {
    background: var(--soft)
}

.spec-layout {
    display: grid;
    grid-template-columns:1.1fr .9fr;
    gap: 28px
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-top: 4px solid var(--blue)
}

.spec-table th, .spec-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    font-size: 14px
}

.spec-table th {
    width: 34%;
    background: #f4f7fb;
    color: var(--blue)
}

.spec-cards {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 14px
}

.spec-card {
    padding: 22px;
    background: #fff;
    border: 1px solid var(--line)
}

.spec-card span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700
}

.spec-card strong {
    display: block;
    color: var(--blue);
    font-size: 27px;
    line-height: 1.25;
    margin-top: 6px
}

.spec-card p {
    font-size: 12px;
    color: var(--muted);
    margin: 8px 0 0
}

.detail-grid {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 16px
}

.detail {
    border: 1px solid var(--line);
    background: #fff
}

.detail img {
    width: 100%;
    height: 220px;
    object-fit: contain
}

.detail div {
    padding: 14px
}

.detail h3 {
    font-size: 16px;
    color: var(--blue);
    margin: 0 0 6px
}

.detail p {
    font-size: 13px;
    color: var(--muted);
    margin: 0
}

.applications {
    background: var(--blue);
    color: #fff
}

.applications .section-head h2, .applications .kicker {
    color: #fff
}

.applications .section-head p {
    color: rgba(255, 255, 255, .75)
}

.app-grid {
    display: grid;
    grid-template-columns:repeat(6, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, .25);
    border: 1px solid rgba(255, 255, 255, .25)
}

.app {
    min-height: 120px;
    background: var(--blue);
    display: flex;
    align-items: flex-end;
    padding: 18px;
    font-weight: 800
}

.strengths {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 16px
}

.strength {
    border-left: 4px solid var(--blue);
    padding: 12px 18px;
    background: var(--soft)
}

.strength b {
    color: var(--blue);
    font-size: 18px
}

.strength p {
    font-size: 13px;
    color: var(--muted);
    margin: 5px 0 0
}

.cta {
    padding: 76px 0;
    background: linear-gradient(110deg, rgba(4, 38, 83, .97), rgba(12, 78, 155, .91)), url("") center/cover;
    color: #fff
}

.cta-in {
    display: grid;
    grid-template-columns:1fr auto;
    gap: 40px;
    align-items: center
}

.cta h2 {
    font-size: 38px;
    margin: 0 0 10px
}

.cta p {
    margin: 0;
    color: rgba(255, 255, 255, .78)
}

.cta-actions {
    display: flex;
    gap: 12px
}

.cta2 {
  padding: 22px 0;
}

@media (max-width: 900px) {
    .nav {
        display: none
    }

    .hero-grid, .spec-layout, .cta-in, .footer-in {
        grid-template-columns:1fr
    }

    .hero-grid {
        padding: 48px 0
    }

    .hero-media {
        order: -1
    }

    .hero-media img {
        height: 400px
    }

    .badges {
        grid-template-columns:repeat(2, 1fr)
    }

    .price-box {
        grid-template-columns:1fr
    }

    .price-label {
        height: auto
    }

    .feature-grid {
        grid-template-columns:1fr 1fr
    }

    .gallery-grid {
        grid-template-columns:1fr
    }

    .detail-grid {
        grid-template-columns:1fr 1fr
    }

    .app-grid {
        grid-template-columns:repeat(3, 1fr)
    }

    .strengths {
        grid-template-columns:1fr 1fr
    }
}

@media (max-width: 560px) {
    .wrap {
        width: min(100% - 24px, var(--max))
    }

    .header-in {
        height: 60px
    }

    .brand {
        font-size: 21px
    }

    .brand small {
        display: none
    }

    .hero h1 {
        font-size: 42px
    }

    .hero-lead {
        font-size: 18px
    }

    .hero-media img {
        height: 330px
    }

    .section-head {
        display: block
    }

    .section-head h2 {
        font-size: 30px
    }

    .section-head p {
        margin-top: 12px
    }

    .feature-grid, .detail-grid, .spec-cards, .strengths {
        grid-template-columns:1fr
    }

    .app-grid {
        grid-template-columns:1fr 1fr
    }

    .price-main {
        padding: 22px
    }

    .price-num {
        font-size: 58px
    }

    .cta-actions {
        flex-direction: column
    }

    .gallery-main img {
        height: 400px
    }
}

/* Added sections: option / drawing / safety */
.option-section, .drawing-section, .safety-section {
    padding: 88px 0
}

.option-section {
    background: #f5f8fc
}

.option-grid {
    display: grid;
    grid-template-columns:1.05fr .95fr;
    gap: 42px;
    align-items: center
}

.option-card {
    background: #fff;
    border: 1px solid #d7e0ec;
    box-shadow: 0 18px 45px rgba(5, 42, 94, .08);
    padding: 34px
}

.option-label {
    display: inline-block;
    background: #082f73;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    padding: 7px 14px;
    letter-spacing: .08em
}

.option-card h3 {
    font-size: 30px;
    margin: 18px 0 8px;
    color: #092e6e
}

.option-price {
    font-size: 46px;
    line-height: 1;
    color: #c40000;
    font-weight: 900;
    margin: 20px 0 8px
}

.option-price small {
    font-size: 16px;
    color: #555
}

.option-tax {
    font-weight: 700;
    color: #333
}

.option-points {
    margin: 22px 0 0;
    padding: 0;
    list-style: none
}

.option-points li {
    padding: 12px 0;
    border-top: 1px solid #e3e8ef
}

.option-visual {
    min-height: 330px;
    background: linear-gradient(135deg, #e9eef4, #fff);
    display: grid;
    place-items: center;
    border: 1px solid #d7e0ec;
    padding: 30px
}

.shelf-illustration {
    width: min(520px, 100%);
    aspect-ratio: 16/10;
    border: 14px solid #b9c0c7;
    background: radial-gradient(circle at 4px 4px, #77808a 1.6px, transparent 1.8px) 0 0/14px 14px, #d9dee3;
    box-shadow: 0 22px 30px rgba(0, 0, 0, .16);
    position: relative;
    transform: perspective(700px) rotateX(58deg)
}

.shelf-illustration:before, .shelf-illustration:after {
    content: "";
    position: absolute;
    top: -20px;
    bottom: -20px;
    width: 16px;
    background: #aab2ba
}

.shelf-illustration:before {
    left: -28px
}

.shelf-illustration:after {
    right: -28px
}

.drawing-section {
    background: #fff
}

.drawing-card {
    border: 1px solid #d7e0ec;
    background: #fff;
    padding: 22px;
    box-shadow: 0 18px 45px rgba(5, 42, 94, .08)
}

.drawing-card img {
    width: 100%;
    height: auto;
    display: block
}

.drawing-meta {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 12px;
    margin-top: 18px
}

.drawing-meta div {
    background: #f5f8fc;
    border: 1px solid #d7e0ec;
    padding: 14px
}

.drawing-meta b {
    display: block;
    color: #092e6e;
    margin-bottom: 4px
}

.safety-section {
    background: #081f48;
    color: #fff
}

.safety-section .section-kicker, .safety-section .section-title {
    color: #fff
}

.safety-section .section-copy {
    color: #c9d4e5
}

.safety-grid {
    display: grid;
    gap: 14px
}

.safety-item {
    display: grid;
    grid-template-columns:56px 1fr;
    gap: 18px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .055)
}

.safety-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #d71920;
    font-size: 24px;
    font-weight: 900
}

.safety-item h3 {
    margin: 0 0 7px;
    font-size: 20px
}

.safety-item p {
    margin: 0;
    color: #d6deea
}

.safety-alert {
    margin-top: 18px;
    padding: 18px 22px;
    background: rgba(215, 25, 32, .18);
    border-left: 5px solid #e01e26;
    font-weight: 800
}

.nav-added {
    display: flex !important
}

footer {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-in {
  margin-top: 33px;
  display: grid;
}

.footer-in dl { margin: 0; }
.footer-in dt { color: rgba(255,255,255,.66); font-size: 13px; margin-top: 14px; }
.footer-in dt.base { display:inline-block; color: var(--blue); font-weight:bold; font-size: 14px; border-radius:4px; margin-top: 20px; padding: 4px 12px; background-color: #fff }
.footer-in dt:first-child { margin-top: 0; }
.footer-in dd { margin: 4px 0 0; font-size: 18px; font-weight: 700; }

@media (max-width: 900px) {
    .option-grid {
        grid-template-columns:1fr
    }

    .drawing-meta {
        grid-template-columns:repeat(2, 1fr)
    }
}

@media (max-width: 560px) {
    .option-section, .drawing-section, .safety-section {
        padding: 64px 0
    }

    .option-card {
        padding: 24px
    }

    .option-price {
        font-size: 38px
    }

    .drawing-meta {
        grid-template-columns:1fr
    }

    .safety-item {
        grid-template-columns:44px 1fr;
        padding: 19px
    }

    .safety-num {
        width: 44px;
        height: 44px;
        font-size: 19px
    }
}

/* Product movie */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px
}

.btn-video, .btn-docs-dl {
    background: var(--red);
    border-color: var(--red);
    box-shadow: 0 8px 22px rgba(189, 14, 18, .2)
}

.btn-video:hover, .btn-docs-dl:hover {
    background: #990b0e;
    border-color: #990b0e
}

.area-docs-dl {
    border: none;
    background: transparent;
}

.btn-docs-dl {
    padding-left: 11px;
    padding-right: 11px;
}

.docs-dl-icon {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-size: 30px 30px;
    background-image: url(../common/images/docs-dl.png);
    background-position: center center;
    background-repeat: no-repeat;
}



.btn-outline {
    background: #fff;
    color: var(--blue);
    border: 1px solid var(--blue)
}

.btn-outline:hover {
    background: var(--blue);
    color: #fff
}

.video-section {
    background: #fff;
    padding: 82px 0
}

.video-frame {
    position: relative;
    max-width: 980px;
    margin: 0 auto;
    border: 10px solid var(--blue);
    background: #06172e;
    box-shadow: 0 22px 55px rgba(4, 38, 83, .18)
}

.video-frame:before {
    content: "PRODUCT MOVIE";
    position: absolute;
    left: -10px;
    top: -44px;
    padding: 7px 18px;
    background: var(--blue);
    color: #fff;
    font-weight: 900;
    font-size: 12px;
    letter-spacing: .12em
}

.video-frame video {
    display: block;
    width: 100%;
    max-height: 620px;
    background: #06172e;
    object-fit: contain
}

.video-caption {
    max-width: 980px;
    margin: 16px auto 0;
    padding: 16px 20px;
    border-left: 5px solid var(--red);
    background: var(--soft);
    color: var(--muted);
    font-size: 14px
}

.video-caption strong {
    color: var(--blue);
    font-size: 16px
}

@media (max-width: 560px) {
    .hero-actions {
        flex-direction: column
    }

    .hero-actions .btn {
        width: 100%
    }

    .video-section {
        padding: 64px 0
    }

    .video-frame {
        border-width: 5px
    }

    .video-frame:before {
        left: -5px;
        top: -39px
    }

    .video-caption span {
        display: block;
        margin-top: 4px
    }
}

.option-visual {
    overflow: hidden;
    background: #fff
}

.option-shelf-photo {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: contain;
    object-position: center;
    display: block;
}

@media (max-width: 760px) {
    .option-shelf-photo {
        min-height: 280px
    }
}


#details .detail:first-child img {
    object-position: center center
}


#option .option-visual {
    background: #fff;
    overflow: hidden;
    display: grid;
    place-items: center;
}

#option .option-shelf-photo {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: contain;
    object-position: center;
    padding: 6px;
    transform: scale(1.16);
    transform-origin: center;
    filter: contrast(1.06) brightness(1.04) drop-shadow(0 18px 28px rgba(0, 0, 0, .18));
}

@media (max-width: 760px) {
    #option .option-shelf-photo {
        min-height: 280px;
        transform: scale(1.10);
        padding: 4px;
    }
}