/* IshidaNetの共通デザインを引き継ぐ、ロゴデザインページ専用スタイル。 */
.logo-page { --logo-bg:#f4f7fb; }
.logo-page h4 { margin:0; }
.logo-page [id] { scroll-margin-top:105px; }
.logo-page .nav { gap:25px; }
.logo-page .header-cta { gap:24px; }
.logo-menu { display:none; flex-direction:column; justify-content:center; align-items:center; gap:6px; height:44px; width:44px; padding:10px; background:#fff; border:1px solid var(--line); border-radius:3px; }
.logo-menu span { display:block; width:20px; height:2px; background:var(--navy); transition:transform .2s; }
.logo-menu[aria-expanded="true"] span:first-child { transform:translateY(4px) rotate(45deg); }
.logo-menu[aria-expanded="true"] span:last-child { transform:translateY(-4px) rotate(-45deg); }
.logo-kicker { display:flex; align-items:center; gap:12px; font-family:var(--font-en); font-size:.6875rem; font-weight:600; line-height:1.5; letter-spacing:.08em; color:var(--blue); }
.blue-rule { display:block; width:25px; height:2px; background:var(--blue); }
.logo-hero { padding-top:106px; overflow:hidden; background:linear-gradient(108deg,#fff 49%,#f0f5fc 49%); }
.breadcrumb { display:flex; gap:13px; align-items:center; color:var(--muted); font-family:var(--font-en); font-size:.625rem; letter-spacing:.06em; }
.breadcrumb a:hover { color:var(--blue); }
.breadcrumb > :last-child { color:var(--blue); }
.logo-hero-grid { display:grid; grid-template-columns:.94fr 1.06fr; align-items:center; gap:60px; padding:38px 0 60px; }
.logo-hero-copy h1 { margin:22px 0 24px; font-size:clamp(2.625rem,4.5vw,4.3rem); line-height:1.33; font-weight:800; letter-spacing:-.045em; }
.logo-hero-copy h1 > span { display:inline-block; }
.logo-hero-lead { font-size:1.0625rem; font-weight:700; margin-bottom:10px; text-wrap:balance; }
.logo-hero-description { color:var(--muted); font-size:.875rem; line-height:2; }
.logo-hero-copy .button { margin-top:27px; min-width:206px; justify-content:space-between; }
.hero-logo-wall { display:grid; grid-template-columns:1.15fr 1fr; gap:14px; transform:rotate(-3deg); }
.wall-item { min-width:0; position:relative; height:220px; display:flex; flex-direction:column; justify-content:space-between; padding:18px; border:1px solid #d9e2ee; background:#fff; box-shadow:0 10px 25px #09245005; transition:transform .25s,box-shadow .25s; }
.wall-item:nth-child(2n) { transform:translateY(28px); }
.wall-item:hover { box-shadow:0 15px 30px #09245010; }
.wall-item img { width:100%; height:155px; object-fit:contain; }
.wall-item > span { display:flex; align-items:center; justify-content:space-between; gap:8px; font-family:var(--font-en); font-size:.5rem; color:var(--muted); letter-spacing:.08em; }
.wall-item > span > span { color:var(--blue); font-size:.875rem; }
.wall-miyagawa img { padding:10px 0; }
.logo-hero-bottom { display:flex; justify-content:space-between; gap:20px; align-items:center; border-top:1px solid #cfdcec; padding:22px 0; }
.logo-hero-bottom p { font-family:var(--font-en); color:var(--muted); font-size:.625rem; letter-spacing:.12em; }
.logo-hero-bottom a { display:flex; align-items:center; gap:30px; font-size:.75rem; font-weight:500; }
.logo-hero-bottom a span { color:var(--blue); }

.portfolio-section { padding:100px 0 0; }
.portfolio-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:40px; }
.portfolio-heading h2 { margin-top:20px; font-size:clamp(1.875rem,3vw,2.65rem); line-height:1.6; font-weight:700; letter-spacing:-.035em; }
.portfolio-heading > p { color:var(--muted); font-size:.875rem; line-height:2; padding-bottom:6px; }
.case-index { margin-top:38px; padding:18px 0; display:flex; flex-wrap:wrap; gap:8px 25px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.case-index a { min-height:35px; display:flex; align-items:center; gap:10px; font-family:var(--font-en); font-size:.625rem; color:var(--blue); }
.case-index a span { font-family:"Noto Sans JP",sans-serif; color:var(--ink); font-size:.6875rem; }
.case-index a:hover span { color:var(--blue); }
.logo-case { padding:78px 0; border-bottom:1px solid var(--line); }
.logo-case:last-child { border-bottom:0; padding-bottom:95px; }
.case-heading { display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:28px; }
.case-number { display:flex; align-items:center; gap:16px; font-family:var(--font-en); font-size:.9375rem; color:var(--blue); line-height:1.5; }
.case-number span { font-family:"Noto Sans JP",sans-serif; border-left:1px solid #b7c8dd; padding-left:16px; font-size:.625rem; letter-spacing:.03em; color:var(--muted); }
.logo-case h3 { font-family:var(--font-en),"Noto Sans JP",sans-serif; color:var(--navy); font-size:1.875rem; font-weight:600; letter-spacing:-.025em; line-height:1.5; margin-top:12px; }
.case-theme { font-family:"Noto Serif JP",serif; font-size:1.125rem; color:var(--navy); padding-bottom:3px; }
.artwork { position:relative; display:flex; align-items:center; justify-content:center; padding:30px; background:#fff; border:1px solid #e1e7ef; overflow:hidden; cursor:zoom-in; }
.artwork::after { content:""; position:absolute; inset:0; border:1px solid transparent; pointer-events:none; transition:border-color .2s; }
.artwork:hover::after { border-color:var(--blue); }
.artwork img { width:100%; height:100%; min-height:0; object-fit:contain; transition:transform .3s ease; }
.artwork:hover img { transform:scale(1.025); }
.expand-mark { display:grid; place-items:center; position:absolute; bottom:12px; right:12px; border-radius:50%; width:30px; height:30px; color:var(--blue); background:#f4f7fb; font-size:.9375rem; }
.miyagawa-grid,.liga-grid { display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.miyagawa-grid figure,.liga-grid figure,.variation-grid figure { min-width:0; }
.artwork-miyagawa { height:400px; background:#fff; padding:24px 35px; }
.logo-case figcaption { display:flex; gap:12px; margin-top:12px; color:var(--muted); font-size:.6875rem; line-height:1.6; }
.logo-case figcaption > span { color:var(--blue); font-family:var(--font-en); font-weight:500; white-space:nowrap; }
.case-story { display:grid; grid-template-columns:.95fr 2fr; gap:65px; margin-top:34px; }
.case-story h4 { font-size:1.0625rem; font-weight:600; line-height:1.9; }
.case-story p,.split-copy > p:not([class]) { color:var(--muted); font-size:.875rem; line-height:2.05; }
.case-story p + p,.split-copy > p + p:not([class]) { margin-top:14px; }
.color-meanings { display:flex; flex-wrap:wrap; gap:12px 22px; margin-top:21px; font-size:.6875rem; color:var(--ink); }
.color-meanings li { display:flex; align-items:center; gap:8px; }
.color-meanings li > span { width:9px; height:9px; border-radius:50%; background:var(--swatch); }
.split-case { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:70px; }
.split-art { background:var(--logo-bg); padding:24px; }
.artwork-square { aspect-ratio:1; padding:27px; }
.split-copy h3 { font-size:1.625rem; }
.split-theme { font-family:"Noto Serif JP",serif; font-size:1.4375rem; line-height:1.8; margin:23px 0 22px; color:var(--navy); }
.artwork-wide { height:240px; padding:34px; }
.variation-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.artwork-variation { aspect-ratio:1.1; padding:14px; }

.logo-approach { background:var(--navy); color:#fff; padding:84px 0; }
.logo-approach > .container { display:grid; grid-template-columns:1fr 1.2fr; gap:85px; }
.logo-approach .logo-kicker { color:#85ccff; }
.approach-intro h2 { font-size:2.5rem; line-height:1.6; margin-top:24px; font-weight:600; letter-spacing:-.03em; }
.approach-intro > p:last-child { color:#c1cede; font-size:.8125rem; line-height:2; margin-top:24px; }
.logo-principles > div { border-top:1px solid #ffffff30; padding:22px 0; }
.logo-principles > div:last-child { padding-bottom:0; }
.logo-principles span { font-family:var(--font-en); font-size:.625rem; letter-spacing:.07em; color:#96bce7; }
.logo-principles h3 { font-size:1.125rem; margin:8px 0; font-weight:600; }
.logo-principles p { font-size:.8125rem; color:#c1cede; line-height:2; }
.logo-process { padding:90px 0; }
.logo-process-list { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:30px; margin-top:38px; }
.logo-process-list li { padding:22px 0 0; border-top:1px solid #b8c9e0; }
.logo-process-list li > span { color:var(--blue); font-family:var(--font-en); font-size:1.125rem; }
.logo-process-list h3 { margin-top:24px; font-size:1rem; font-weight:600; }
.logo-process-list p { color:var(--muted); font-size:.8125rem; margin-top:10px; line-height:2; }
.logo-inquiry { padding:76px 0; background:#eaf2ff; }
.inquiry-grid { display:grid; grid-template-columns:1.3fr 1fr; align-items:center; gap:60px; }
.logo-inquiry h2 { font-size:2rem; line-height:1.7; font-weight:700; margin-top:22px; letter-spacing:-.025em; }
.logo-inquiry h2 + p { color:var(--muted); font-size:.8125rem; margin-top:20px; line-height:2; }
.inquiry-actions { display:flex; flex-direction:column; align-items:flex-start; }
.inquiry-actions .button { justify-content:space-between; gap:40px; min-width:330px; }
.inquiry-email { font-family:var(--font-en); color:var(--blue); font-size:.75rem; margin-top:20px; overflow-wrap:anywhere; }
.inquiry-actions > p { font-size:.6875rem; color:var(--muted); margin-top:2px; }
.inquiry-form-link { display:flex; align-items:center; gap:20px; font-size:.75rem; margin-top:20px; border-bottom:1px solid #a3bbdd; padding-bottom:4px; }
.inquiry-form-link span { color:var(--blue); }
.logo-footer { padding-top:45px; }
.logo-footer-top { display:flex; justify-content:space-between; align-items:center; gap:30px; padding-bottom:35px; }
.logo-footer-top > div > p { margin-top:15px; color:var(--muted); font-family:"Noto Serif JP",serif; font-size:.8125rem; }
.logo-footer-top nav { display:flex; gap:28px; font-size:.75rem; }

.art-dialog { width:min(1100px,calc(100% - 40px)); max-height:calc(100dvh - 40px); padding:0; border:0; color:var(--ink); background:#fff; box-shadow:0 20px 80px #00132e50; }
.art-dialog::backdrop { background:#071b39c9; backdrop-filter:blur(5px); }
.art-dialog[open] { display:flex; flex-direction:column; }
.art-dialog-bar { display:flex; justify-content:space-between; align-items:center; gap:18px; padding:17px 24px; border-bottom:1px solid var(--line); }
.art-dialog-bar h2 { font-size:.875rem; font-weight:600; }
.dialog-close { display:inline-flex; gap:15px; align-items:center; flex-shrink:0; min-height:44px; border:1px solid var(--line); background:#fff; padding:5px 12px; font-size:.75rem; }
.dialog-close span { font-size:1.5rem; line-height:1; }
.dialog-close:hover { background:var(--ice); }
.dialog-image-wrap { min-height:0; overflow:auto; background:#f5f7fa; padding:24px; text-align:center; }
.dialog-image { display:block; width:auto; height:auto; max-width:100%; max-height:calc(100dvh - 250px); margin:auto; background:#fff; object-fit:contain; }
.art-dialog-footer { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:10px 20px; border-top:1px solid var(--line); padding:14px 24px; font-size:.6875rem; }
.art-dialog-footer p { color:var(--muted); }
.dialog-original { min-height:30px; display:inline-flex; align-items:center; color:var(--blue); }
body.art-open { overflow:hidden; }

@media(min-width:1450px) { .logo-hero-grid { padding-block:50px 75px; } .wall-item { height:245px; } .wall-item img { height:175px; } }
@media(max-width:1150px) { .logo-page .nav { gap:15px; } .logo-page .nav a { font-size:.75rem; } .logo-page .header-inner { gap:18px; } .logo-page .header-cta { padding-inline:18px; } .logo-hero-grid { gap:35px; } .wall-item { height:205px; padding:14px; } .wall-item img { height:145px; } .logo-hero-description { font-size:.8125rem; } .desktop-break { display:none; } .split-case { gap:40px; } .case-story { gap:40px; } .logo-approach > .container { gap:55px; } }
@media(max-width:1000px) {
  .logo-page .header-inner { width:calc(100% - 40px); }
  .logo-page .header-actions { margin-left:auto; }
  .logo-menu:not([hidden]) { display:flex; }
  .logo-page .site-header.has-menu .nav { display:none; position:absolute; top:var(--header-height); left:0; right:0; padding:16px 24px 24px; background:#fff; border-bottom:1px solid var(--line); box-shadow:0 15px 20px #09245008; }
  .logo-page .site-header.has-menu .nav.is-open { display:flex; flex-direction:column; align-items:stretch; gap:0; }
  .logo-page .site-header.has-menu .nav a { font-size:.875rem; min-height:50px; }
  .logo-hero-grid { grid-template-columns:1fr 1fr; gap:25px; }
  .logo-hero-copy h1 { font-size:3rem; }
  .wall-item { height:190px; padding:12px; }
  .wall-item img { height:134px; }
  .hero-logo-wall { gap:10px; }
  .logo-hero-lead { font-size:.9375rem; }
  .portfolio-heading > p { font-size:.8125rem; }
  .artwork-miyagawa { height:350px; padding:20px; }
  .case-theme { font-size:1rem; }
  .split-theme { font-size:1.25rem; }
  .case-story { grid-template-columns:1fr 1.65fr; gap:30px; }
  .logo-inquiry h2 { font-size:1.75rem; }
  .inquiry-grid { gap:30px; }
  .inquiry-actions .button { min-width:0; width:100%; padding-inline:20px; font-size:.8125rem; gap:15px; }
}
@media(max-width:760px) {
  .logo-page { --gutter:24px; --header-height:70px; }
  .logo-page .logo { font-size:1.25rem; }
  .logo-page .logo img { width:34px; height:34px; }
  .logo-page .header-cta { min-height:40px; font-size:.6875rem; padding:9px 12px; gap:12px; }
  .logo-page .header-inner { gap:12px; }
  .logo-page .header-actions { gap:8px; }
  .logo-menu { height:40px; width:40px; }
  .logo-page [id] { scroll-margin-top:90px; }
  .logo-hero { padding-top:90px; background:linear-gradient(125deg,#fff 50%,#f0f5fc 50%); }
  .logo-hero-grid { grid-template-columns:1fr; padding:28px 0 36px; gap:35px; }
  .logo-hero-copy h1 { font-size:2.7rem; line-height:1.38; margin-top:20px; }
  .logo-hero-copy h1 br:last-of-type { display:none; }
  .logo-hero-copy .button { margin-top:23px; min-height:50px; font-size:.8125rem; }
  .logo-hero-lead { font-size:1rem; }
  .logo-hero-description { font-size:.8125rem; max-width:450px; }
  .hero-logo-wall { transform:rotate(-2deg); gap:10px; margin:2px 5px 16px; }
  .wall-item { height:190px; padding:15px; }
  .wall-item img { height:135px; }
  .wall-item:nth-child(2n) { transform:translateY(16px); }
  .logo-hero-bottom { padding:19px 0; align-items:flex-start; }
  .logo-hero-bottom p { font-size:.5rem; max-width:130px; line-height:1.8; }
  .logo-hero-bottom a { font-size:.625rem; gap:15px; }
  .portfolio-section { padding-top:64px; }
  .portfolio-heading { display:block; }
  .portfolio-heading h2 { font-size:1.875rem; margin-top:17px; }
  .portfolio-heading > p { margin-top:20px; padding-bottom:0; line-height:2; }
  .case-index { display:grid; grid-template-columns:1fr 1fr; gap:2px 15px; margin-top:25px; padding:13px 0; }
  .case-index a { gap:8px; min-height:38px; }
  .case-index a span { font-size:.625rem; }
  .logo-case { padding:48px 0; }
  .logo-case:last-child { padding-bottom:60px; }
  .case-heading { display:block; margin-bottom:22px; }
  .logo-case h3 { font-size:1.5rem; margin-top:10px; }
  .case-theme { margin-top:12px; font-size:1rem; }
  .miyagawa-grid { gap:18px; grid-template-columns:1fr; }
  .artwork-miyagawa { height:340px; padding:24px; }
  .logo-case figcaption { font-size:.625rem; margin-top:9px; }
  .case-story { grid-template-columns:1fr; gap:15px; margin-top:26px; }
  .case-story h4 { font-size:1rem; }
  .case-story h4 br { display:none; }
  .case-story p,.split-copy > p:not([class]) { font-size:.8125rem; }
  .color-meanings { gap:10px 15px; font-size:.625rem; }
  .split-case { display:flex; flex-direction:column-reverse; gap:25px; align-items:stretch; }
  .split-art { padding:18px; }
  .artwork-square { padding:20px; }
  .split-theme { font-size:1.1875rem; margin:18px 0; }
  .liga-grid { grid-template-columns:1fr; gap:22px; }
  .artwork-wide { height:175px; padding:22px; }
  .variation-grid { gap:22px; grid-template-columns:1fr; }
  .artwork-variation { aspect-ratio:auto; height:300px; padding:16px; }
  .logo-approach { padding:58px 0; }
  .logo-approach > .container { grid-template-columns:1fr; gap:34px; }
  .approach-intro h2 { font-size:2rem; margin-top:18px; }
  .approach-intro > p:last-child { margin-top:20px; }
  .logo-principles > div { padding:22px 0; }
  .logo-process { padding:60px 0; }
  .logo-process-list { grid-template-columns:1fr 1fr; gap:26px 22px; margin-top:30px; }
  .logo-process-list h3 { font-size:.875rem; margin-top:17px; }
  .logo-process-list p { font-size:.75rem; }
  .logo-inquiry { padding:55px 0; }
  .inquiry-grid { grid-template-columns:1fr; gap:28px; }
  .logo-inquiry h2 { font-size:1.625rem; }
  .inquiry-actions .button { max-width:390px; font-size:.875rem; }
  .logo-footer { padding-top:35px; }
  .logo-footer-top { display:block; padding-bottom:28px; }
  .logo-footer-top nav { gap:20px; flex-wrap:wrap; margin-top:25px; font-size:.6875rem; }
  .logo-footer .footer-bottom { gap:20px; font-size:.625rem; }
  .art-dialog { width:calc(100% - 20px); max-height:calc(100dvh - 20px); }
  .art-dialog-bar { padding:10px 14px; gap:10px; }
  .art-dialog-bar h2 { font-size:.6875rem; }
  .dialog-close { min-height:40px; padding-inline:9px; font-size:.6875rem; gap:9px; }
  .dialog-image-wrap { padding:12px; }
  .dialog-image { max-height:calc(100dvh - 220px); }
  .art-dialog-footer { padding:12px 14px; gap:4px; font-size:.625rem; }
}
@media(max-width:360px) { .logo-page { --gutter:20px; } .logo-page .header-inner { width:calc(100% - 24px); } .logo-page .header-cta { font-size:.625rem; padding-inline:9px; gap:6px; } .logo-page .logo { font-size:1.125rem; gap:5px; } .logo-page .logo img { width:30px; height:30px; } .logo-hero-copy h1 { font-size:2.4rem; } .wall-item { height:160px; padding:10px; } .wall-item img { height:115px; } .artwork-variation { height:265px; } .artwork-miyagawa { height:300px; } }
@media(prefers-reduced-motion:reduce) { .logo-page { scroll-behavior:auto; } .logo-page *, .logo-page *::before, .logo-page *::after { scroll-behavior:auto !important; transition:none !important; animation:none !important; } }