@charset "utf-8";

:root {
  --blue: #0868e8;
  --blue-dark: #0752b5;
  --sky: #65c7f2;
  --navy: #09283b;
  --navy-soft: #143f55;
  --yellow: #f4d521;
  --ink: #142d3b;
  --muted: #5d6d76;
  --line: #d9e5eb;
  --tint: #f2f8fb;
  --white: #fff;
  --shadow: 0 18px 50px rgba(9, 40, 59, .12);
  --radius: 22px;
  --content: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.35; letter-spacing: .02em; text-wrap: balance; }
h2 { margin-bottom: 24px; font-size: clamp(2rem, 4vw, 3.35rem); }
h3 { margin-bottom: 12px; }
p { margin-bottom: 1.2em; }

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; transform: translateY(-150%); padding: 8px 14px; background: var(--navy); color: #fff; }
.skip-link:focus { transform: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.container { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }
.container.narrow { width: min(calc(100% - 48px), 900px); }
.section { padding: 112px 0; scroll-margin-top: 80px; }
.section-tint { background: var(--tint); }
.section-dark { color: #fff; background: var(--navy); }
.section-kicker { margin-bottom: 12px; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .18em; }
.section-kicker.light { color: var(--sky); }
.section-lead { max-width: 760px; margin: -5px auto 48px; color: var(--muted); font-size: 1.08rem; text-align: center; }
.section > .container > .section-kicker,
.section > .container > h2,
.bridge .section-kicker,
.bridge h2,
.audiences .section-kicker,
.audiences h2,
.faq .section-kicker,
.faq h2 { text-align: center; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; transition: background .25s, box-shadow .25s; }
.site-header.is-scrolled, .site-header.compact { background: rgba(255,255,255,.96); box-shadow: 0 3px 20px rgba(9,40,59,.1); backdrop-filter: blur(12px); }
.header-inner { display: flex; width: min(calc(100% - 48px), 1240px); min-height: 82px; margin: auto; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: block; width: 280px; padding: 6px 12px; border-radius: 12px; flex: 0 0 auto; background: rgba(255,255,255,.92); }
.brand img { width: 100%; }
.global-nav { display: flex; align-items: center; gap: 28px; color: #fff; font-size: .92rem; font-weight: 700; }
.site-header.is-scrolled .global-nav, .site-header.compact .global-nav { color: var(--ink); }
.global-nav a { text-decoration: none; }
.global-nav a:not(.nav-cta):hover { color: var(--sky); }
.nav-cta { padding: 11px 20px; border-radius: 999px; background: var(--blue); color: #fff; }
.menu-button { display: none; padding: 8px; border: 0; background: transparent; }
.menu-button span:not(.visually-hidden) { display: block; width: 28px; height: 2px; margin: 6px 0; background: #fff; transition: .2s; }
.site-header.is-scrolled .menu-button span:not(.visually-hidden) { background: var(--navy); }
.back-link { color: var(--blue-dark); font-weight: 700; text-decoration: none; }

.hero { position: relative; min-height: 780px; color: #fff; overflow: hidden; }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 52% center; }
.hero-shade { background: linear-gradient(90deg, rgba(4,27,41,.92) 0%, rgba(4,27,41,.75) 48%, rgba(4,27,41,.12) 100%); }
.hero-inner { position: relative; z-index: 1; display: flex; min-height: 780px; width: min(calc(100% - 48px), var(--content)); margin: auto; padding: 142px 0 88px; flex-direction: column; align-items: flex-start; justify-content: center; }
.hero .eyebrow { margin-bottom: 15px; font-size: .84rem; font-weight: 700; letter-spacing: .08em; }
.hero-origin { display: inline-flex; margin-bottom: 24px; padding: 6px 13px; border: 1px solid rgba(255,255,255,.55); border-radius: 999px; font-size: .82rem; }
.hero h1 { max-width: 800px; margin-bottom: 28px; font-size: clamp(2.8rem, 6vw, 5.4rem); letter-spacing: .01em; }
.hero h1 span { color: var(--yellow); }
.hero-nowrap, .phrase-nowrap { display: inline-block; white-space: nowrap; }
.hero-copy { max-width: 680px; font-size: clamp(1rem, 1.6vw, 1.2rem); }
.hero-actions { display: flex; margin-top: 12px; gap: 14px; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 56px; padding: 14px 26px; border: 0; border-radius: 999px; align-items: center; justify-content: center; font-weight: 800; text-decoration: none; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--yellow); color: var(--navy); box-shadow: 0 12px 28px rgba(0,0,0,.18); }
.button-ghost { border: 1px solid rgba(255,255,255,.65); color: #fff; background: rgba(255,255,255,.08); }
.hero-note { margin: 15px 0 0 8px; font-size: .84rem; }

.bridge { background: linear-gradient(180deg, #fff, #f7fcfe); }
.product-compare { display: grid; margin-top: 50px; grid-template-columns: 1fr 58px 1fr; align-items: stretch; }
.product-compare article { padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.product-compare h3 { font-size: 1.6rem; }
.product-compare p { margin-bottom: 0; color: var(--muted); }
.product-label { display: inline-block; margin-bottom: 12px; padding: 3px 10px; border-radius: 999px; background: #e1f5fc; color: var(--blue-dark); font-size: .7rem; font-weight: 900; letter-spacing: .14em; }
.product-label.app { background: #e9efff; color: #2452c4; }
.compare-plus { display: grid; place-items: center; color: var(--sky); font-size: 2.4rem; font-weight: 200; }

.challenge-grid { display: grid; margin-top: 50px; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.challenge-grid article { min-height: 230px; padding: 30px 26px; border-radius: 18px; background: #fff; box-shadow: 0 10px 35px rgba(9,40,59,.07); }
.challenge-grid span { color: var(--sky); font-size: .8rem; font-weight: 900; letter-spacing: .15em; }
.challenge-grid h3 { margin-top: 14px; font-size: 1.3rem; }
.challenge-grid p { margin-bottom: 0; color: var(--muted); font-size: .92rem; }

.service-flow { display: grid; max-width: 980px; margin: 58px auto 0; padding: 0; list-style: none; gap: 0; }
.service-flow li { position: relative; display: grid; padding: 30px 0; border-top: 1px solid var(--line); grid-template-columns: 120px 1fr; gap: 25px; }
.service-flow li:last-child { border-bottom: 1px solid var(--line); }
.service-flow li > span { color: var(--sky); font-size: 2.6rem; font-weight: 200; line-height: 1; }
.service-flow h3 { font-size: 1.35rem; }
.service-flow p { margin-bottom: 0; color: var(--muted); }

.case-feature-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; }
.case-feature-media { position: relative; padding: 0 52px 52px 0; }
.case-feature-media > img:first-child { width: 100%; aspect-ratio: 4/3; border-radius: 24px; object-fit: cover; }
.case-inset { position: absolute; right: 0; bottom: 0; width: 42%; aspect-ratio: 4/3; border: 7px solid var(--navy); border-radius: 18px; object-fit: cover; }
.case-status { display: inline-block; margin-bottom: 16px; padding: 5px 12px; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; font-size: .8rem; }
.case-feature-copy h2 { font-size: clamp(2rem, 3vw, 2.8rem); }
.case-feature-copy > p:not(.section-kicker):not(.case-status):not(.metric-note) { color: #d2e0e6; }
.metrics { display: grid; margin: 34px 0 15px; grid-template-columns: 1fr 1fr; gap: 10px; }
.metrics div { padding: 20px; border-left: 3px solid var(--yellow); background: rgba(255,255,255,.08); }
.metrics strong, .metrics span { display: block; }
.metrics strong { color: var(--yellow); font-size: clamp(2.2rem, 4vw, 3.6rem); line-height: 1.1; }
.metrics span { margin-top: 6px; font-size: .8rem; }
.metric-note { margin-bottom: 0; color: #aac0ca; font-size: .76rem; }

.case-grid { display: grid; margin-top: 54px; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; gap: 28px; }
.case-card { display: flex; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); flex-direction: column; background: #fff; box-shadow: 0 14px 40px rgba(9,40,59,.08); }
.case-image { height: 300px; min-height: 300px; max-height: 300px; overflow: hidden; background: var(--tint); }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.case-card:hover .case-image img { transform: scale(1.025); }
.case-body { display: flex; padding: 30px; flex: 1; flex-direction: column; }
.case-body h3 { margin-top: 0; font-size: 1.35rem; }
.case-body > p:last-child { margin-bottom: 0; }
.external-links { display: grid; margin-top: 20px; gap: 8px; }
.external-links a { display: block; padding: 10px 14px; border-radius: 8px; background: var(--tint); color: var(--blue-dark); font-size: .82rem; font-weight: 700; text-decoration: none; }
.external-links a::after { content: " ↗"; }
.case-image.flyer { display: block; height: 300px; min-height: 300px; max-height: 300px; padding: 14px; }
.case-image.flyer img { object-fit: contain; object-position: center; }
.phone-pair { display: flex; height: 300px; min-height: 300px; max-height: 300px; padding: 22px; overflow: hidden; align-items: center; justify-content: center; gap: 16px; background: linear-gradient(135deg, #dff5fd, #e8efff); }
.phone-pair img { width: auto; height: 100%; min-width: 0; min-height: 0; border: 7px solid #102938; border-radius: 24px; box-shadow: 0 10px 25px rgba(0,0,0,.22); object-fit: contain; object-position: top; }
.phone-frame { position: relative; height: 100%; aspect-ratio: 830 / 1800; overflow: hidden; border: 7px solid #102938; border-radius: 27px; background: #102938; box-shadow: 0 10px 25px rgba(0,0,0,.22); }
.phone-frame::before { content: ""; position: absolute; top: 6px; left: 50%; z-index: 2; width: 35%; height: 8px; border-radius: 999px; background: #102938; transform: translateX(-50%); }
.phone-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.yamagata-showcase { position: relative; height: 300px; min-height: 300px; max-height: 300px; overflow: hidden; background: #d8c19f; box-shadow: inset 0 0 0 1px rgba(9,40,59,.05); }
.yamagata-fan-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.96) contrast(1.01); }
.yamagata-showcase .phone-frame { position: absolute; top: 12%; left: 50%; z-index: 2; height: 76%; border-color: #102938; background: #102938; box-shadow: 0 14px 24px rgba(49,34,18,.34), 0 3px 7px rgba(49,34,18,.22); transform: translateX(-50%) rotate(1.5deg); transform-origin: center; }
.case-placeholder { position: relative; display: flex; height: 300px; min-height: 300px; max-height: 300px; padding: 36px; overflow: hidden; flex-direction: column; justify-content: center; background: linear-gradient(135deg, #0b668f, #09283b); color: #fff; }
.case-placeholder::after { content: ""; position: absolute; right: -50px; bottom: -80px; width: 230px; height: 230px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.04), 0 0 0 70px rgba(255,255,255,.035); }
.case-placeholder span { margin-bottom: 16px; color: var(--sky); font-size: .72rem; font-weight: 900; letter-spacing: .18em; }
.case-placeholder strong { position: relative; z-index: 1; max-width: 330px; font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1.45; }
.case-placeholder i { display: block; width: 110px; height: 4px; margin-top: 28px; border-radius: 999px; background: var(--yellow); }
.school-visual { background: linear-gradient(135deg, #2764bd, #153159); }

.audience-list { display: flex; margin-top: 45px; justify-content: center; flex-wrap: wrap; gap: 10px; }
.audience-list span { padding: 10px 16px; border: 1px solid #c9dce5; border-radius: 999px; background: #fff; font-size: .9rem; font-weight: 700; }
.audience-line { display: block; }
.audience-line-narrow { display: none; }

.plan-grid { display: grid; margin-top: 52px; grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 20px; }
.plan-grid article { position: relative; padding: 36px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.plan-grid article.recommended { border: 2px solid var(--blue); box-shadow: var(--shadow); transform: translateY(-10px); }
.recommend-label { position: absolute; top: -17px; left: 50%; margin: 0; padding: 5px 18px; border-radius: 999px; background: var(--blue); color: #fff; font-size: .76rem; font-weight: 800; transform: translateX(-50%); white-space: nowrap; }
.plan-number { color: var(--sky); font-size: .76rem; font-weight: 900; letter-spacing: .14em; }
.plan-grid h3 { font-size: 1.6rem; }
.plan-for { min-height: 58px; color: var(--muted); font-size: .9rem; }
.plan-grid ul { margin: 22px 0 0; padding: 22px 0 0 1.2em; border-top: 1px solid var(--line); }
.plan-grid li { margin-bottom: 8px; }
.plan-note { margin: 35px 0 0; padding: 14px 20px; border-radius: 12px; background: var(--tint); text-align: center; }

.process .section-kicker, .process h2 { text-align: center; }
.process-list { display: grid; margin: 58px 0 0; padding: 0; grid-template-columns: repeat(6, 1fr); list-style: none; gap: 12px; }
.process-list li { position: relative; text-align: center; }
.process-list li:not(:last-child)::after { content: ""; position: absolute; top: 25px; right: -12px; width: 24px; height: 1px; background: #557285; }
.process-list span { display: grid; width: 54px; height: 54px; margin: 0 auto 18px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; place-items: center; background: #c4a128; color: var(--navy); font-weight: 900; box-shadow: 0 0 0 6px rgba(196,161,40,.1), 0 8px 22px rgba(0,0,0,.18); }
.process-list h3 { font-size: 1.15rem; }
.process-list p { margin: 0; color: #a9c0cc; font-size: .8rem; line-height: 1.5; }

.profile-grid { display: grid; max-width: 980px; grid-template-columns: 350px 1fr; align-items: center; gap: 70px; }
.portrait { overflow: hidden; margin: 0; aspect-ratio: 4/5; border-radius: 28px; background: var(--navy-soft); box-shadow: var(--shadow); }
.portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 33%; }
.profile-name { margin: 28px 0; padding: 18px 0; border-block: 1px solid var(--line); }
.profile-name strong { margin-right: 12px; font-size: 1.45rem; }
.profile-name span { color: var(--muted); font-size: .84rem; }

.faq details { border-top: 1px solid var(--line); background: #fff; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 22px 54px 22px 28px; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; top: 17px; right: 24px; color: var(--blue); font-size: 1.5rem; font-weight: 300; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 28px 24px; color: var(--muted); }

.contact { color: #fff; background: linear-gradient(135deg, #064caa, #0586ce); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 70px; }
.contact-intro h2 { font-size: clamp(2.2rem, 4vw, 3.6rem); }
.contact-intro > p:not(.section-kicker) { color: #d9edfb; }
.contact-intro ul { padding-left: 1.3em; font-weight: 700; }
.contact-form { padding: 38px; border-radius: var(--radius); background: #fff; color: var(--ink); box-shadow: 0 22px 60px rgba(2,28,67,.24); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 19px; font-size: .9rem; font-weight: 800; }
.contact-form label > span:not(.consent span) { margin-left: 7px; color: #d94f42; font-size: .7rem; }
.contact-form input[type="text"], .contact-form input[type="email"], .contact-form textarea { display: block; width: 100%; margin-top: 7px; padding: 13px 14px; border: 1px solid #bdcdd5; border-radius: 8px; background: #fbfdfe; color: var(--ink); outline: none; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8,104,232,.14); }
.contact-form .consent { display: flex; align-items: flex-start; gap: 9px; font-weight: 500; }
.contact-form .consent input { width: 18px; height: 18px; margin-top: 5px; flex: 0 0 auto; }
.contact-form .consent a { color: var(--blue-dark); }
.botcheck { display: none !important; }
.button-submit { width: 100%; background: var(--yellow); color: var(--navy); }
.button-submit:disabled { opacity: .6; cursor: wait; }
.form-note { margin: 12px 0 0; color: var(--muted); font-size: .76rem; text-align: center; }
.form-status { margin: 12px 0 0; padding: 0; font-size: .86rem; text-align: center; }
.form-status.is-success, .form-status.is-notice, .form-status.is-error { padding: 10px; border-radius: 8px; }
.form-status.is-success { background: #e6f7e7; color: #256929; }
.form-status.is-notice { background: #fff7ce; color: #685500; }
.form-status.is-error { background: #ffe9e7; color: #8f2c23; }

.site-footer { padding: 50px 0 28px; background: #061d2a; color: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-inner img { width: 260px; filter: brightness(0) invert(1); opacity: .92; }
.footer-inner p { margin: 8px 0 0; color: #a9c0cc; font-size: .8rem; }
.footer-inner nav { display: flex; gap: 26px; }
.footer-inner a { color: #dce8ed; font-size: .82rem; text-decoration: none; }
.copyright { width: min(calc(100% - 48px), var(--content)); margin: 36px auto 0; padding-top: 20px; border-top: 1px solid #1c3a49; color: #718b98; font-size: .72rem; }
.mobile-contact { display: none; }

.privacy-page { background: var(--tint); }
.privacy-page .site-header { position: static; }
.policy-main { padding: 80px 0 110px; }
.policy { padding: 60px 70px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.policy > h1 { margin-bottom: 8px; font-size: clamp(2.2rem, 5vw, 3.7rem); }
.policy-date { margin-bottom: 45px; color: var(--muted); font-size: .84rem; }
.policy h2 { margin: 48px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 1.25rem; }
.policy li { margin-bottom: 8px; }
.policy a { color: var(--blue-dark); }
.legal-note { margin-top: 48px; padding: 18px; border-radius: 10px; background: var(--tint); color: var(--muted); font-size: .82rem; }

@media (max-width: 1080px) {
  .challenge-grid { grid-template-columns: repeat(2, 1fr); }
  .challenge-grid article { min-height: 0; padding: 24px 22px; }
  .challenge-grid h3 { margin-top: 10px; margin-bottom: 8px; }
  .process-list { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .process-list li:nth-child(3)::after { display: none; }
}

@media (max-width: 959px) {
  .site-header { background: rgba(7,35,51,.82); backdrop-filter: blur(10px); }
  .site-header.is-scrolled { background: rgba(255,255,255,.97); }
  .header-inner { min-height: 70px; }
  .brand { width: 230px; }
  .menu-button { display: block; position: relative; z-index: 2; }
  .global-nav { position: fixed; inset: 0; display: flex; padding: 110px 34px 60px; flex-direction: column; align-items: stretch; gap: 0; background: rgba(6,29,42,.98); color: #fff !important; visibility: hidden; opacity: 0; transform: translateY(-12px); transition: .2s; }
  .global-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .global-nav a { padding: 18px 4px; border-bottom: 1px solid rgba(255,255,255,.18); font-size: 1.15rem; }
  .global-nav .nav-cta { margin-top: 25px; border: 0; text-align: center; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .site-header.is-scrolled .menu-button[aria-expanded="true"] span { background: #fff; }
  .hero, .hero-inner { min-height: 720px; }
  .case-feature-grid, .contact-grid { grid-template-columns: 1fr; }
  .case-feature-grid { gap: 45px; }
  .case-feature-copy { max-width: 720px; }
  .profile-grid { grid-template-columns: 290px 1fr; gap: 42px; }
  .plan-grid { grid-template-columns: 1fr; max-width: 680px; margin-inline: auto; }
  .plan-grid article.recommended { transform: none; }
  .plan-for { min-height: 0; }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  h2 { font-size: 2rem; }
  .container, .container.narrow, .header-inner, .copyright { width: min(calc(100% - 32px), var(--content)); }
  .section { padding: 78px 0; }
  .header-inner { min-height: 64px; }
  .brand { width: 190px; padding: 5px 9px; }
  .hero, .hero-inner { min-height: 700px; }
  .hero-media img { object-position: 64% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(3,25,38,.92) 0%, rgba(3,25,38,.68) 64%, rgba(3,25,38,.3) 100%); }
  .hero-inner { width: calc(100% - 32px); padding: 110px 0 68px; justify-content: flex-end; }
  .hero h1 { font-size: clamp(2.25rem, 10.2vw, 3.2rem); }
  .hero-nowrap { font-size: .94em; }
  .hero-actions { width: 100%; }
  .hero-actions .button { flex: 1; padding-inline: 15px; font-size: .88rem; }
  .hero-note { margin-left: 0; }
  .desktop-only { display: none; }
  .product-compare { grid-template-columns: 1fr; gap: 14px; }
  .compare-plus { height: 34px; }
  .product-compare article { padding: 28px; }
  .challenge-grid { grid-template-columns: 1fr; }
  .challenge-grid article { min-height: 0; }
  .section-lead { margin-bottom: 36px; text-align: left; }
  .service-flow li { grid-template-columns: 68px 1fr; gap: 12px; }
  .service-flow li > span { font-size: 2rem; }
  .case-feature-media { padding: 0 30px 38px 0; }
  .case-inset { width: 47%; border-width: 5px; }
  .metrics { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .case-image, .case-image.flyer, .phone-pair, .yamagata-showcase, .case-placeholder { height: 260px; min-height: 260px; max-height: 260px; }
  .case-image.flyer { padding: 10px; }
  .phone-pair { padding: 18px 12px; }
  .phone-pair img { width: auto; height: 100%; max-height: none; border-width: 5px; border-radius: 18px; }
  .phone-frame { border-width: 5px; border-radius: 22px; }
  .yamagata-showcase .phone-frame { top: 13%; left: 50%; height: 74%; border-width: 5px; box-shadow: 0 12px 20px rgba(49,34,18,.32), 0 3px 6px rgba(49,34,18,.2); transform: translateX(-50%) rotate(1deg); }
  .case-placeholder { padding: 28px; }
  .audience-line-wide { display: none; }
  .audience-line-narrow { display: block; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-list li:nth-child(2n)::after { display: none; }
  .process-list li:nth-child(3)::after { display: block; }
  .profile-grid { grid-template-columns: 1fr; }
  .portrait { width: min(100%, 330px); margin: auto; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 28px 20px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner nav { flex-direction: column; gap: 10px; }
  .mobile-contact { position: fixed; right: 12px; bottom: 12px; left: 12px; z-index: 90; display: block; padding: 13px 16px; border-radius: 999px; background: var(--yellow); color: var(--navy); box-shadow: 0 8px 25px rgba(0,0,0,.23); font-size: .86rem; font-weight: 900; text-align: center; text-decoration: none; }
  .site-footer { padding-bottom: 88px; }
  .privacy-page .site-footer { padding-bottom: 28px; }
  .privacy-page .header-inner { padding: 10px 0; flex-direction: column; gap: 2px; }
  .back-link { font-size: .78rem; }
  .policy-main { padding: 45px 0 80px; }
  .policy { padding: 34px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}