/* FLIPLISH / DARK EDGE
   レイアウトと機能はstyle.cssを使用し、色・文字・輪郭をこのファイルで統一します。 */
:root {
  --ink: #eef4f4;
  --ink-deep: #09131b;
  --paper: #0c171f;
  --cream: #12232d;
  --gold: #ffd064;
  --purple: #b7a1f0;
  --muted: #acbec6;
  --line: #2b404b;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --serif: var(--sans);
}
body { letter-spacing: .02em; }
h1, h2, h3 { font-weight: 800; }
h1, h2 { letter-spacing: -.035em; }
.eyebrow, .tiny-label, .principle-number, .image-kicker, .hero-foot, .legal-toc>p {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-style: normal;
}
.eyebrow { color: var(--gold); font-size: 11px; letter-spacing: .14em; }
a:hover { text-decoration-color: var(--gold); }
:focus-visible { outline-color: var(--gold); }
.skip-link { color: var(--ink-deep); }
.site-header { background: rgba(9,19,27,.97); border-bottom-color: var(--line); }
.header-inner { min-height: 84px; }
.brand { font-weight: 850; letter-spacing: -.06em; font-size: 30px; }
.brand img { width: 52px; height: 52px; }
.brand-caption { color: var(--muted); letter-spacing: .08em; font-size: 8px; }
.main-nav a { font-weight: 700; }
.header-link { border-color: #56707e; border-radius: 2px; padding: 8px 18px; }
.header-link:hover { color: var(--ink-deep); background: var(--gold); border-color: var(--gold); }
.button { border-radius: 2px; font-weight: 800; letter-spacing: .035em; min-height: 54px; }
.primary { color: var(--ink-deep); background: var(--gold); border-color: var(--gold); }
.primary:hover { background: #ffe09c; color: #09131b; transform: translateY(-3px); }
.release-label { color: #d2dce0; }
.release-label:before, .status-dot { background: var(--gold); border-radius: 0; }

/* メインビジュアル：大きな文字、直線、端末の実画面を主役にする。 */
.hero { padding-top: 44px; background: #0c171f; isolation: isolate; }
.hero:before { content: "FLIP."; position: absolute; left: max(5px,calc((100% - 1190px)/2)); bottom: 14px; z-index: -1; font: 900 clamp(180px,29vw,420px)/.9 var(--sans); letter-spacing: -.08em; color: #13232c; pointer-events: none; }
.hero-grid { grid-template-columns: 1.13fr 1fr; gap: 15px; min-height: 670px; }
.hero-copy { padding-bottom: 65px; }
.hero h1 { font-family: var(--sans); font-size: clamp(52px,6.5vw,84px); font-weight: 900; line-height: 1.29; letter-spacing: -.055em; }
.highlight { background: none; padding-bottom: 0; color: var(--gold); }
.hero-lead { color: #c3d1d7; font-size: 16px; line-height: 2.15; margin-top: 30px; }
.hero-lead .bold { color: #fff; }
.hero-actions { margin-top: 32px; }
.hero-note { color: #99b0bc; }
.hero-visual { min-height: 650px; padding-bottom: 35px; }
.hero-orbit { width: 440px; height: 475px; top: 74px; border-radius: 0; background: #142c38; border: 1px solid #36515f; transform: translateX(-50%) rotate(-9deg); }
.hero-orbit:before { width: 95px; height: 4px; left: -19px; top: 40px; background: var(--gold); border-radius: 0; transform: rotate(0); }
.hero-orbit:after { width: 80px; height: 80px; border-radius: 0; background: transparent; border-right: 3px solid var(--purple); border-bottom: 3px solid var(--purple); right: -17px; top: auto; bottom: -17px; transform: none; }
.phone { background: #060d12; border-color: #060d12; border-radius: 23px; box-shadow: 18px 26px 0 -9px #0003,0 24px 50px #0006; }
.phone img { border-radius: 15px; }
.hero-phone { width: 290px; transform: rotate(5deg); }
.floating-label { font: 10px/1.5 "SFMono-Regular",Consolas,monospace; letter-spacing: .09em; text-transform: uppercase; transform: none; color: #c0d0d8; top: 10px; right: 8px; border-bottom: 1px solid #40545f; padding-bottom: 8px; }
.floating-note { background: var(--gold); color: #10202a; border: 0; transform: none; box-shadow: 7px 7px 0 #0004; left: -5px; bottom: 83px; padding: 14px 22px 16px; min-width: 170px; }
.floating-note strong { font-family: var(--sans); font-size: 56px; font-weight: 900; line-height: 1; letter-spacing: -.06em; margin: 8px 0; }
.floating-note strong small { font-size: 16px; font-weight: 750; letter-spacing: -.04em; }
.floating-note>span:last-child { font-weight: 700; }
.hero-foot { color: #b8ccd4; padding-block: 25px; font-size: 10px; }
.hero-foot .dot { color: var(--gold); }

.intro { background: #0f1e27; }
.intro-heading { text-align: left; margin-inline: 0; max-width: 900px; }
.intro-heading h2 { font-weight: 850; font-size: clamp(30px,3.8vw,46px); line-height: 1.6; }
.intro-heading>p:last-child { font-size: 14px; line-height: 2.2; }
.principles { margin-top: 50px; }
.principles article { position: relative; }
.principles article:before { content: ""; position: absolute; top: -2px; left: 34px; width: 40px; height: 3px; background: var(--gold); }
.principles article:first-child:before { left: 0; }
.principle-number { color: var(--purple); font-size: 10px; font-weight: 700; }
.principles h3 { font-weight: 800; }
.cream { background: #142b37; }
.story-grid { gap: 100px; }
.story-copy h2 { font-weight: 850; font-size: 34px; letter-spacing: -.035em; line-height: 1.65; }
.story-copy>p:not(.eyebrow):not(.small) { color: #b6c8d0; }
.image-kicker { color: var(--gold); font-size: 11px; font-weight: 700; letter-spacing: .14em; align-self: center; padding-left: 0; }
.story-phone { border-radius: 22px; }
.story-phone img { border-radius: 15px; }
.tilt { transform: rotate(-5deg); }
.direction-key { border-color: #41606d; gap: 50px; }
.direction-key>span:first-child { color: #ffbd8f; }
.direction-key>span:last-child { color: #a4d7b4; }
.key-dot { border-radius: 0; }
.orange { background: #ffbd8f; }
.green { background: #a4d7b4; }
.text-link { border-color: var(--gold); color: var(--gold); font-weight: 750; }
.text-link:hover { color: #ffe5ae; }
.review-story { background: #0c171f; }
.review-image { border-radius: 0; background: #182932; border: 1px solid #40515b; padding-top: 30px; padding-bottom: 24px; }
.review-image .image-kicker { color: var(--purple); align-self: center; padding-right: 0; }
.review-image:after { content: ""; width: 54px; height: 3px; background: var(--purple); position: absolute; right: -10px; bottom: 24px; }
.quiet-note>span { color: var(--gold); }

/* カテゴリーは明るい面で切り替え、暗いセクションとの強弱をつける。 */
.categories { background: #e8edef; color: #112a37; }
.categories .eyebrow { color: #5e4390; }
.split-heading h2 { font-weight: 850; }
.split-heading>p,.category-list p { color: #425963; }
.category-list { border-color: #aabcc4; }
.category-list>div { border-color: #aabcc4; }
.category-list span { font-family: var(--sans); font-style: normal; font-weight: 900; font-size: 29px; color: #6d50a3; letter-spacing: -.05em; }
.category-list h3 { font-weight: 800; }
.rhythm-section { background: #122a37; color: #eef4f4; border-bottom: 1px solid #2d4654; }
.rhythm-grid h2 { font-weight: 850; font-size: 40px; }
.rhythm-lines article>span { font-family: var(--sans); font-style: normal; font-weight: 850; font-size: 22px; }
.rhythm-lines h3 { font-weight: 800; }
.how-section { background: #0e1d27; }
.section-heading h2,.faq-grid h2 { font-weight: 850; }
.steps { gap: 40px; }
.step-number { color: var(--gold); font-family: var(--sans); font-style: normal; font-size: 46px; font-weight: 900; letter-spacing: -.08em; line-height: 1; }
.steps h3 { font-weight: 800; }
.faq-section { padding-top: 70px; background: #0c171f; }
.faq-list summary { font-weight: 700; }
.faq-list summary:after { color: var(--gold); }
.faq-list details[open] summary { color: var(--gold); }
.faq-list details p { color: #b4c7cf; }
.start-section { background: #101f29; border-top-color: #435a65; position: relative; overflow: hidden; }
.start-section:before { content: ""; width: 100px; height: 5px; background: var(--gold); position: absolute; top: 0; left: calc(50% - 50px); }
.start-inner h2 { color: #f4f7f7; font-weight: 900; font-size: clamp(34px,4.8vw,58px); letter-spacing: -.05em; }
.site-footer { background: #071016; border-top: 1px solid #243a46; }
.footer-top>p { font-weight: 700; }
.footer-bottom a { color: #bcccd3; }
.footer-bottom a:hover { color: var(--gold); }

/* 説明文はコントラストと行間を確保し、長文でも読める色に統一する。 */
.legal-heading { border-color: var(--line); }
.legal-heading h1 { font-weight: 850; }
.legal-content h2 { font-size: 21px; font-weight: 800; }
.legal-content p,.legal-content li { color: #bccbd1; }
.legal-content strong { color: #f4f7f7; }
.legal-content a,.support-contact .small a { color: #e1c99b; }
.legal-toc a:hover { color: var(--gold); }
.legal-toc>p { color: var(--gold); }
.table-scroll { border-radius: 0; }
th { background: #203743; color: #f2f5f6; }
td { color: #bccbd1; }
td:first-child { color: #f2f5f6; }
.support-layout h2,.not-found h1 { font-weight: 850; }
.contact-guide { background: #142a36; border-left-color: var(--gold); }
.contact-guide p { color: #bccbd1; }

@media(min-width:1400px) {
  .hero-grid { min-height: 705px; }
  .hero-visual { min-height: 680px; }
  .hero-phone { width: 305px; }
  .floating-note { bottom: 85px; }
}
@media(max-width:1050px) {
  .hero h1 { font-size: clamp(48px,6.8vw,70px); }
  .hero-grid { min-height: 610px; }
  .hero-visual { min-height: 610px; }
  .hero-phone { width: 267px; }
  .hero-orbit { width: 350px; height: 420px; top: 85px; }
  .floating-note { left: -5px; bottom: 65px; min-width: 145px; padding: 13px 17px; }
  .floating-note strong { font-size: 48px; }
  .story-grid { gap: 55px; }
  .story-copy h2 { font-size: 29px; }
  .principles article:before { left: 25px; }
}
@media(max-width:760px) {
  .header-inner { min-height: 76px; }
  .hero { padding-top: 32px; }
  .hero:before { font-size: 48vw; left: -4px; bottom: 30px; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { text-align: left; padding-top: 18px; padding-bottom: 4px; }
  .hero .eyebrow { justify-content: flex-start; margin-bottom: 25px; }
  .hero h1 { font-size: clamp(45px,9.8vw,70px); line-height: 1.3; }
  .hero-lead { font-size: 14px; margin-top: 24px; }
  .hero-actions { justify-content: flex-start; margin-top: 25px; }
  .hero-visual { width: min(410px,100%); min-height: 600px; margin-top: 30px; padding-bottom: 35px; }
  .hero-phone { width: 255px; transform: rotate(4deg); }
  .hero-orbit { width: 315px; height: 420px; top: 65px; max-width: 92%; }
  .hero-orbit:before { width: 70px; left: -10px; }
  .hero-orbit:after { right: -10px; bottom: -10px; width: 55px; height: 55px; }
  .floating-label { font-size: 8px; top: 0; right: 0; }
  .floating-note { left: 0; bottom: 50px; padding: 12px 17px; min-width: 140px; }
  .floating-note strong { font-size: 46px; }
  .hero-foot { justify-content: flex-start; font-size: 9px; gap: 15px; }
  .intro-heading h2 { font-size: 29px; font-weight: 850; }
  .principles article:before { left: 0; top: -2px; width: 28px; }
  .principles article:first-child { border-top: 0; }
  .principles article:not(:first-child):before { top: auto; bottom: -2px; }
  .principles article:last-child:before { display: none; }
  .story-grid { gap: 40px; }
  .story-copy h2 { font-size: 29px; }
  .image-kicker { font-size: 10px; align-self: center; padding-left: 0; }
  .review-image { width: min(340px,100%); }
  .review-image .image-kicker { padding-right: 0; }
  .category-list>div { border-color: #aabcc4; }
  .category-list>div:last-child { border-top-color: #aabcc4; }
  .category-list span { font-size: 26px; }
  .rhythm-grid h2 { font-size: 31px; }
  .steps { gap: 25px; }
  .step-number { font-size: 34px; top: 27px; }
  .faq-section { padding-top: 60px; }
  .start-inner h2 { font-size: 34px; font-weight: 900; }
  .legal-toc { background: #142a36; border: 1px solid var(--line); border-radius: 0; }
  .legal-content h2 { font-size: 18px; }
}
@media(max-width:420px) {
  .hero h1 { font-size: clamp(40px,10.2vw,46px); }
  .hero .eyebrow { font-size: 8px; }
  .hero-visual { min-height: 555px; }
  .hero-phone { width: 234px; }
  .hero-orbit { width: 270px; height: 365px; top: 60px; }
  .floating-note { min-width: 126px; bottom: 45px; padding: 11px 14px; }
  .floating-note strong { font-size: 39px; }
  .floating-note strong small { font-size: 13px; }
  .story-copy h2 { font-size: 26px; }
}
@media print {
  :root { --ink: #172d38; --muted: #364c57; --line: #bdc7cc; --paper: #fff; --cream: #eee; }
  body,.intro,.hero,.cream,.review-story,.how-section,.faq-section,.categories,.start-section,.rhythm-section { background: #fff; color: #172d38; }
  .legal-content p,.legal-content li,.legal-content strong,.legal-content a,.legal-intro,.document-date,.breadcrumb,.eyebrow,.support-contact>div>p,.contact-guide p,td,td:first-child { color: #172d38; }
  th,.contact-guide { background: #eee; color: #172d38; }
  .hero:before,.start-section:before { display: none; }
}