/* テーマカラー・共通寸法はここで変更 */
:root {
  --color-primary: #00BFFF;
  --color-background: #FFFFFF;
  --color-text: #1F2937;
  --color-muted: #566571;
  --color-soft: #F2F8FA;
  --color-line: #D9E4E9;
  --color-focus: #006586;
  --content-width: 1160px;
  --header-height: 88px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; color: var(--color-text); background: var(--color-background); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif; line-height: 1.8; -webkit-text-size-adjust: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.45; overflow-wrap: anywhere; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 6px; }
section[id] { scroll-margin-top: calc(var(--header-height) + 24px); }
.container { width: min(var(--content-width), calc(100% - 48px)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 12px 20px; background: var(--color-text); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--color-background); border-bottom: 1px solid var(--color-line); }
.header-inner { position: relative; max-width: 1440px; min-height: var(--header-height); padding: 16px 40px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; font-size: 13px; font-weight: 700; letter-spacing: .06em; line-height: 1.5; }
.brand-sub { display: block; font-size: 19px; letter-spacing: .12em; }
.brand-mark { display: flex; align-items: flex-end; gap: 4px; width: 34px; height: 34px; flex-shrink: 0; }
.brand-mark i { background: var(--color-primary); width: 8px; height: 24px; border-radius: 6px 6px 0 0; }
.brand-mark i:nth-child(2) { height: 34px; }
.brand-mark i:nth-child(3) { height: 17px; }
.menu-toggle { background: none; border: 0; display: flex; align-items: center; gap: 18px; min-height: 48px; min-width: 48px; padding: 8px 0 8px 12px; }
.menu-label { font-size: 10px; letter-spacing: .16em; font-weight: 600; }
.menu-icon { position: relative; width: 28px; height: 22px; }
.menu-icon i { position: absolute; left: 0; width: 28px; height: 2px; background: var(--color-text); top: 5px; transition: transform .2s, top .2s; }
.menu-icon i + i { top: 15px; }
[aria-expanded="true"] .menu-icon i { top: 10px; transform: rotate(45deg); }
[aria-expanded="true"] .menu-icon i + i { transform: rotate(-45deg); }
.site-menu { width: 100%; background: var(--color-background); }
.site-menu a { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 12px 20px; font-size: 16px; border-bottom: 1px solid var(--color-line); }
.site-menu a > span + span { font-size: 12px; color: var(--color-muted); }
.site-menu a:hover { background: var(--color-soft); }
.js .site-menu { position: absolute; right: 32px; top: calc(100% + 10px); width: min(340px, calc(100vw - 48px)); padding: 16px; box-shadow: 0 18px 50px #18323d1a; border: 1px solid var(--color-line); }
.js .site-menu a:last-child { border: 0; }
.eyebrow { font-size: 11px; letter-spacing: .2em; font-weight: 600; line-height: 1.6; }
.accent-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--color-primary); }
.hero { position: relative; overflow: hidden; }
.hero-inner { position: relative; min-height: 670px; display: flex; align-items: center; padding-block: 88px 112px; }
.hero-copy { position: relative; z-index: 2; width: 100%; animation: enter .6s ease-out; }
.hero-intro { font-size: 14px; margin-top: 38px; letter-spacing: .05em; }
.hero h1 { margin-top: 16px; font-size: clamp(2.15rem, 6.4vw, 5.4rem); line-height: 1.35; letter-spacing: -.04em; font-weight: 700; }
.placeholder-label { margin-top: 12px; color: var(--color-muted); font-size: 12px; overflow-wrap: anywhere; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 56px; padding: 14px 24px; font-size: 14px; font-weight: 600; border: 1px solid transparent; transition: background .2s, transform .2s; }
.button-primary { background: var(--color-primary); color: #102A35; }
.button-primary:hover { background: #50D3FF; transform: translateY(-2px); }
.button-outline { border-color: var(--color-line); background: var(--color-background); }
.button-outline:hover { background: var(--color-soft); transform: translateY(-2px); }
.hero-art { position: absolute; right: -54px; top: 75px; width: 430px; height: 490px; z-index: 0; }
.art-orbit { position: absolute; border: 1px solid #BEEFFF; border-radius: 50%; width: 410px; height: 410px; right: -16px; top: 44px; }
.art-pillar { position: absolute; right: 43px; bottom: 16px; width: 224px; height: 418px; border-radius: 150px 150px 0 0; background: linear-gradient(150deg, #EBFAFF 10%, #B5ECFF 100%); }
.art-line { position: absolute; right: 70px; top: 4px; width: 224px; height: 418px; border: 1px solid var(--color-primary); border-radius: 150px 150px 0 0; }
.art-dot { position: absolute; width: 20px; height: 20px; background: var(--color-primary); border-radius: 50%; right: 0; bottom: 118px; }
.scroll-cue { display: flex; align-items: center; gap: 24px; position: absolute; left: 0; bottom: 22px; font-size: 9px; letter-spacing: .16em; min-height: 44px; }
.scroll-cue > span:last-child { font-size: 19px; }
.section { padding-block: 100px 112px; }
.section-heading { margin-bottom: 42px; }
.section-heading .eyebrow::before { content: ""; display: inline-block; width: 24px; height: 2px; background: var(--color-primary); vertical-align: middle; margin-right: 14px; }
.section-heading h2 { font-size: 40px; margin-top: 12px; letter-spacing: .12em; }
.promises-section { background: var(--color-soft); }
.promise-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.promise-card { position: relative; min-height: 240px; background: var(--color-background); padding: 28px 30px; border-top: 2px solid var(--color-primary); transition: transform .2s, box-shadow .2s; }
.card-index { font-size: 13px; color: var(--color-muted); letter-spacing: .12em; }
.promise-card h3 { font-size: clamp(22px, 2.2vw, 28px); margin-top: 44px; letter-spacing: .06em; padding-right: 16px; }
.arrow { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--color-line); border-radius: 50%; font-size: 20px; flex-shrink: 0; transition: background .2s, border-color .2s; }
.promise-card > .arrow { position: absolute; right: 24px; bottom: 24px; }
.promise-card:hover, .promise-card:focus-visible { transform: translateY(-4px); box-shadow: 0 12px 25px #1F29370A; }
.promise-card:hover .arrow, .candidate-card:hover .arrow, .candidate-card:focus-visible .arrow { background: var(--color-primary); border-color: var(--color-primary); }
.candidate-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-areas: "nishio hukui aoki"; gap: 32px; }
.candidate-hukui { grid-area: hukui; }
.candidate-nishio { grid-area: nishio; }
.candidate-aoki { grid-area: aoki; }
.candidate-card { display: block; min-width: 0; }
.candidate-image { position: relative; aspect-ratio: 4 / 5; background: var(--color-soft); overflow: hidden; }
.candidate-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.candidate-card:hover img { transform: scale(1.025); }
.image-note { position: absolute; left: 16px; bottom: 16px; background: #FFFFFFEF; padding: 5px 9px; font-size: 11px; color: var(--color-muted); }
.candidate-caption { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 22px; }
.candidate-caption h3 { font-size: clamp(16px, 1.6vw, 21px); font-weight: 600; }
.candidate-card .placeholder-label { margin-top: 4px; }
.site-footer { border-top: 1px solid var(--color-line); background: var(--color-background); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 30px; font-size: 12px; }
.footer-inner p { font-weight: 600; letter-spacing: .04em; }
.text-link { display: inline-flex; align-items: center; gap: 22px; min-height: 44px; text-underline-offset: 5px; }
.text-link:hover { text-decoration: underline; }
.detail-main { padding-block: 28px 88px; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--color-muted); overflow-wrap: anywhere; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 4px; }
.detail-heading { padding-block: 65px 60px; border-bottom: 2px solid var(--color-primary); }
.detail-heading h1 { margin-top: 18px; font-size: clamp(36px, 5.2vw, 64px); letter-spacing: .06em; }
.detail-row { display: grid; grid-template-columns: minmax(200px, 1fr) 2fr; gap: 40px; padding-block: 44px; border-bottom: 1px solid var(--color-line); }
.detail-row h2 { font-size: 19px; }
.row-number { display: block; font-size: 10px; color: var(--color-muted); letter-spacing: .1em; margin-bottom: 10px; }
.pending-copy { background: var(--color-soft); color: var(--color-muted); padding: 22px 24px; font-size: 15px; overflow-wrap: anywhere; white-space: pre-line; }
.detail-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 28px; margin-top: 48px; }
.related-links { display: flex; flex-wrap: wrap; gap: 12px 32px; font-size: 13px; }
.related-links .arrow { width: 32px; height: 32px; font-size: 16px; }
.candidate-profile { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 72px; padding-block: 48px 12px; }
.profile-portrait { align-self: start; }
.profile-heading { padding-block: 10px 34px; }
.profile-heading h1 { margin-top: 18px; font-size: clamp(26px, 3vw, 42px); }
.profile-field { border-top: 1px solid var(--color-line); padding-block: 28px 0; margin-bottom: 28px; }
.profile-field h2 { font-size: 19px; margin-bottom: 18px; }
.entry-main { min-height: 60vh; padding-block: 80px; }
.entry-main h1 { font-size: clamp(28px, 5vw, 48px); margin-block: 20px; }
.entry-main .button { margin-top: 28px; }
@keyframes enter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 1400px) { .hero-art { right: -10px; } }
@media (max-width: 1000px) {
  .candidate-grid { gap: 22px; }
  .hero-art { opacity: .7; right: -100px; }
  .candidate-profile { gap: 40px; }
  .promise-card { padding: 24px; min-height: 230px; }
  .promise-card h3 { font-size: 23px; }
}
@media (max-width: 767px) {
  :root { --header-height: 76px; }
  .header-inner { padding: 12px 24px; gap: 12px; }
  .brand { gap: 10px; font-size: 10px; }
  .brand-sub { font-size: 17px; }
  .brand-mark { transform: scale(.85); transform-origin: left center; width: 30px; }
  .menu-label { display: none; }
  .js .site-menu { right: 24px; }
  .hero-inner { min-height: 600px; padding-block: 80px 112px; align-items: flex-start; }
  .hero h1 { font-size: clamp(32px, 8vw, 54px); letter-spacing: -.055em; margin-top: 20px; }
  .hero-intro { margin-top: 40px; font-size: 11px; }
  .eyebrow { font-size: 10px; letter-spacing: .15em; }
  .hero-actions { gap: 12px; margin-top: 32px; }
  .hero-actions .button { gap: 18px; padding-inline: 18px; font-size: 12px; }
  .hero-art { width: 260px; height: 270px; top: auto; bottom: -65px; right: -65px; opacity: .65; }
  .art-orbit { width: 240px; height: 240px; top: 0; }
  .art-pillar { width: 120px; height: 220px; right: 44px; bottom: 0; }
  .art-line { width: 120px; height: 220px; right: 68px; top: 0; }
  .art-dot { width: 12px; height: 12px; bottom: 60px; right: 10px; }
  .scroll-cue { bottom: 24px; font-size: 8px; gap: 18px; }
  .section { padding-block: 64px 72px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2 { font-size: 32px; margin-top: 10px; }
  .promise-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .promise-card { min-height: 164px; padding: 24px; }
  .promise-card h3 { margin-top: 26px; padding-right: 50px; font-size: 24px; }
  .promise-card > .arrow { bottom: 23px; }
  .candidate-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "hukui" "nishio" "aoki"; gap: 42px; }
  .candidate-caption { margin-top: 18px; }
  .candidate-caption h3 { font-size: 21px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 12px; padding-block: 28px; }
  .detail-main { padding-block: 20px 64px; }
  .detail-heading { padding-block: 38px 36px; }
  .detail-row { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-block: 30px; }
  .row-number { display: inline-block; margin: 0 14px 0 0; vertical-align: middle; }
  .pending-copy { padding: 20px; font-size: 14px; }
  .detail-bottom { margin-top: 32px; }
  .candidate-profile { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-top: 30px; }
  .profile-portrait { width: 100%; max-width: 440px; }
  .profile-heading { padding-top: 0; }
  .profile-heading h1 { font-size: clamp(26px, 7vw, 40px); }
}
@media (max-width: 359px) {
  .container { width: calc(100% - 40px); }
  .header-inner { padding-inline: 20px; }
  .hero-actions { gap: 8px; }
  .hero-actions .button { padding-inline: 14px; gap: 12px; }
  .candidate-caption h3 { font-size: 18px; }
  .candidate-caption .arrow { width: 36px; height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}