:root { --ink: #163a4d; --blue: #0878b3; --teal: #17837b; --muted: #617b87; --font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: radial-gradient(ellipse at 95% 0%, #f3ebd5 0%, transparent 25%), radial-gradient(ellipse at 3% 6%, #d9efef 0%, transparent 35%), #f8faf9; font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { letter-spacing: -.045em; font-weight: 750; line-height: 1.35; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a:focus-visible { outline: 3px solid #1b9da1; outline-offset: 6px; }
::selection { background: #ffe49a; }
.wrap { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.eyebrow { color: #378194; font-size: 11px; font-weight: 750; letter-spacing: .12em; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 20px; background: var(--ink); color: white; padding: 10px 18px; border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.mobile-break { display: none; }
.hub-header { position: sticky; top: 0; z-index: 50; height: 75px; background: #fcfdfbe6; border-bottom: 1px solid #dae8e5; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.hub-nav { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 25px; }
.brand { display: flex; align-items: center; gap: 15px; flex-shrink: 0; }
.brand img { width: 99px; }
.brand > span { border-left: 1px solid #cbdeda; padding-left: 15px; color: #548089; font-size: 13px; font-weight: 550; }
.hub-nav nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 550; }
.hub-nav nav a:hover { color: var(--blue); }
.hub-nav nav a:last-child { border: 1px solid #c7dddd; border-radius: 8px; padding: 7px 13px; }
.hub-nav nav a > span { margin-left: 10px; }
.hub-hero { text-align: center; padding-top: 63px; }
.hub-hero .eyebrow { display: flex; align-items: center; justify-content: center; gap: 10px; }
.hub-hero .eyebrow > span { width: 7px; height: 7px; border-radius: 50%; background: #299f96; box-shadow: 0 0 0 4px #43b7a213; }
.hub-hero h1 { font-size: clamp(48px, 5.2vw, 70px); line-height: 1.22; margin-top: 22px; letter-spacing: -.05em; }
.hub-hero h1 > span { color: #087b91; }
.hero-copy { color: #5c7a84; font-size: 16px; line-height: 1.9; margin-top: 23px; }
.hero-note { display: flex; justify-content: center; align-items: center; gap: 23px; color: #708d96; font-size: 12px; margin-top: 30px; }
.hero-note > span:last-child { color: #348b91; font-size: 21px; font-weight: 350; }
.hub-main-section { padding-top: 32px; }
.hub-main-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; gap: 25px; }
.hub-main-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid #d6e8e9; border-radius: 24px; background: white; box-shadow: 0 15px 40px #174c5e0a; transition: transform .2s, box-shadow .2s; }
.hub-main-card:hover { transform: translateY(-4px); box-shadow: 0 17px 45px #174c5e19; }
.hub-card-image { position: relative; height: 288px; overflow: hidden; }
.product-image { background: linear-gradient(130deg, #d5edf4, #e2f1ed); padding: 28px 35px 40px; }
.product-window { overflow: hidden; border: 1px solid #c5dce6; border-radius: 9px; transform: rotate(-2deg); box-shadow: 0 12px 30px #3667772a; }
.window-top { background: #fbfefe; display: flex; align-items: center; gap: 4px; padding: 9px 10px; }
.window-top > span { width: 5px; height: 5px; background: #bad1dd; border-radius: 50%; }
.window-top > i { margin-left: auto; font-size: 7px; font-style: normal; letter-spacing: .1em; color: #678fa0; }
.product-window picture { display: block; }
.product-window img { width: 100%; }
.image-label { position: absolute; bottom: 12px; right: 25px; font-size: 10px; color: #5b8191; letter-spacing: .02em; }
.ambassador-image > img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 34%; }
.ambassador-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 50%, #16483e38 100%); }
.ambassador-image-badge { position: absolute; z-index: 1; bottom: 19px; left: 28px; color: #506f7a; background: #fffffff2; border: 1px solid #ffffff; padding: 12px 17px; border-radius: 12px; box-shadow: 0 7px 23px #133c4820; font-size: 10px; line-height: 1.5; }
.ambassador-image-badge > strong { display: flex; align-items: baseline; gap: 15px; font-family: Arial, var(--font); font-size: 35px; letter-spacing: -.055em; line-height: 1.2; color: #096fac; margin-top: 3px; }
.ambassador-image-badge > strong > span { color: #3c7785; font-family: var(--font); font-size: 12px; letter-spacing: 0; }
.hub-card-copy { display: flex; flex-direction: column; flex: 1; padding: 28px 35px 0; }
.card-eyebrow { color: #40849b; font-family: Arial, sans-serif; font-size: 10px; font-weight: 750; letter-spacing: .11em; margin-bottom: 13px; }
.ambassador-card .card-eyebrow { color: #258b82; }
.hub-card-copy h2 { font-size: 29px; line-height: 1.5; }
.hub-card-copy > p:not(.card-eyebrow) { color: #65808d; font-size: 14px; line-height: 1.95; margin-top: 15px; }
.hub-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; margin-bottom: 27px; }
.hub-tags > span { color: #337893; background: #edf6fa; font-size: 11px; font-weight: 650; border-radius: 5px; padding: 3px 8px; }
.ambassador-card .hub-tags > span { color: #2f8377; background: #edf7f1; }
.hub-card-action { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; padding: 21px 0; border-top: 1px solid #e0ebef; color: #087cab; font-size: 14px; font-weight: 750; }
.hub-card-action > span { font-size: 24px; font-weight: 400; }
.ambassador-card .hub-card-action { color: #258c7c; }
.hub-program-section { padding: 73px 0 36px; }
.program-heading { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 27px; }
.program-heading .eyebrow { margin-bottom: 10px; }
.program-heading h2 { font-size: 32px; }
.program-heading > p { font-size: 14px; color: #7a8f94; padding-bottom: 4px; }
.hub-program-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.hub-program-card { display: flex; flex-direction: column; padding: 26px 28px 0; background: #fffbef; border: 1px solid #e9e1c4; border-radius: 18px; transition: transform .2s, box-shadow .2s; }
.hub-program-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px #2542380b; }
.kumamoto-card { background: #f0f7f1; border-color: #d6e6d8; }
.official-card { background: #f0f6fa; border-color: #d6e5ed; }
.program-symbol { height: 57px; display: flex; flex-direction: column; justify-content: center; align-items: start; font-family: Arial, var(--font); font-size: 39px; font-weight: 750; letter-spacing: -.065em; line-height: 1.05; color: #a08032; margin-bottom: 25px; }
.program-symbol > span { font-size: 7px; letter-spacing: .08em; margin-top: 4px; }
.program-symbol > svg { width: 43px; height: 43px; fill: none; stroke: #4a8a72; stroke-width: 1.5; }
.program-symbol > img { width: 42px; height: 42px; }
.program-label { color: #93836c; font-size: 11px; margin-bottom: 8px; }
.kumamoto-card .program-label { color: #6a8874; }
.official-card .program-label { color: #64859b; }
.hub-program-card h3 { font-size: 22px; letter-spacing: -.04em; }
.hub-program-card > p { color: #7e806e; font-size: 14px; line-height: 1.95; margin-top: 13px; }
.kumamoto-card > p { color: #6b8674; }
.official-card > p { color: #6b8290; }
.program-note { color: #a09579; font-size: 11px; line-height: 1.8; margin-top: 15px; margin-bottom: 23px; }
.kumamoto-card .program-note { color: #829b88; }
.official-card .program-note { color: #879aa4; }
.program-action { margin-top: auto; display: flex; justify-content: space-between; gap: 13px; border-top: 1px solid #e6dfc5; color: #927021; padding: 16px 0; font-size: 13px; font-weight: 750; }
.program-action > span { font-size: 20px; line-height: 1.1; font-weight: 400; }
.kumamoto-card .program-action { color: #3b866c; border-color: #d5e5d7; }
.official-card .program-action { color: #377c9e; border-color: #d5e4ed; }
.hub-conditions { margin-bottom: 53px; padding: 21px 26px; background: #f0f4f3; border-radius: 12px; color: #7c8c8f; }
.hub-conditions > span { display: block; color: #63818a; font-size: 12px; font-weight: 750; margin-bottom: 5px; }
.hub-conditions p { font-size: 14px; line-height: 1.85; }
.hub-footer { padding: 30px 0 22px; border-top: 1px solid #e3ebe8; background: #fcfdfb; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-main .brand img { width: 85px; }
.footer-main .brand > span { font-size: 11px; }
.footer-main nav { display: flex; flex-wrap: wrap; justify-content: end; gap: 10px 22px; color: #69818a; font-size: 11px; }
.footer-main nav a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #e6eeeb; padding-top: 18px; margin-top: 25px; color: #8d9e9f; font-size: 10px; }
@media (max-width: 1140px) { .hub-card-copy { padding-inline: 28px; } .hub-card-copy h2 { font-size: 26px; } .hub-card-image { height: 258px; } .product-image { padding: 28px 25px 40px; } .hub-program-card { padding-inline: 23px; } .hub-program-card h3 { font-size: 20px; } }
@media (max-width: 900px) { .wrap { width: calc(100% - 56px); } .hub-nav nav { gap: 20px; font-size: 12px; } .hub-hero { padding-top: 50px; } .hub-hero h1 { font-size: 56px; } .hub-main-grid { gap: 18px; } .hub-card-image { height: 215px; } .product-image { padding: 26px 19px 32px; } .hub-card-copy { padding: 23px 23px 0; } .hub-card-copy h2 { font-size: 22px; } .hub-card-action { font-size: 12px; } .hub-tags { gap: 6px; } .hub-tags > span { font-size: 10px; padding-inline: 6px; } .ambassador-image-badge { left: 16px; bottom: 16px; font-size: 8px; padding: 11px 14px; } .ambassador-image-badge > strong { font-size: 31px; } .program-heading { display: block; } .program-heading > p { margin-top: 13px; } .hub-program-grid { gap: 14px; } .hub-program-card { padding-inline: 20px; } .hub-program-card h3 { font-size: 19px; } .program-action { font-size: 12px; } .footer-main { align-items: start; } .footer-main nav { max-width: 420px; } }
@media (max-width: 600px) {
  html { scroll-padding-top: 70px; }
  .wrap { width: calc(100% - 40px); }
  .hub-header { height: 63px; }
  .hub-nav { gap: 15px; }
  .brand { gap: 10px; }
  .brand img { width: 80px; }
  .brand > span { padding-left: 10px; font-size: 10px; }
  .hub-nav nav { gap: 15px; font-size: 11px; }
  .hub-nav nav a:last-child { display: none; }
  .hub-hero { padding-top: 40px; }
  .hub-hero .eyebrow { font-size: 8px; gap: 8px; }
  .hub-hero .eyebrow > span { width: 5px; height: 5px; }
  .hub-hero h1 { font-size: clamp(36px, 10vw, 54px); margin-top: 19px; line-height: 1.28; }
  .hero-copy { font-size: 14px; margin-top: 19px; line-height: 1.95; }
  .desktop-break { display: none; }
  .mobile-break { display: inline; }
  .hero-note { font-size: 10px; gap: 15px; margin-top: 23px; }
  .hub-main-section { padding-top: 24px; }
  .hub-main-grid { display: flex; flex-direction: column; gap: 23px; }
  .hub-main-card { border-radius: 20px; }
  .hub-card-image { height: 223px; }
  .product-image { padding: 18px 22px 33px; }
  .product-window { transform: rotate(-2deg); }
  .window-top { padding: 7px 9px; }
  .product-window picture { height: 164px; }
  .product-window img { height: 100%; width: 100%; object-fit: cover; object-position: 50% 50%; }
  .image-label { right: 17px; bottom: 9px; font-size: 9px; }
  .ambassador-image > img { object-position: 50% 33%; }
  .ambassador-image-badge { left: 18px; bottom: 14px; font-size: 8px; padding: 10px 13px; }
  .ambassador-image-badge > strong { font-size: 31px; gap: 13px; }
  .ambassador-image-badge > strong > span { font-size: 10px; }
  .hub-card-copy { padding: 24px 23px 0; }
  .card-eyebrow { font-size: 9px; margin-bottom: 10px; }
  .hub-card-copy h2 { font-size: 23px; line-height: 1.5; }
  .hub-card-copy > p:not(.card-eyebrow) { font-size: 14px; margin-top: 13px; }
  .hub-tags { margin-top: 17px; margin-bottom: 22px; gap: 6px; }
  .hub-tags > span { font-size: 10px; }
  .hub-card-action { font-size: 14px; padding: 18px 0; }
  .hub-card-action > span { font-size: 22px; }
  .hub-program-section { padding: 48px 0 27px; }
  .program-heading { margin-bottom: 22px; }
  .program-heading .eyebrow { font-size: 9px; margin-bottom: 9px; }
  .program-heading h2 { font-size: 27px; line-height: 1.5; }
  .program-heading > p { font-size: 14px; line-height: 1.85; margin-top: 12px; }
  .hub-program-grid { display: flex; flex-direction: column; gap: 16px; }
  .hub-program-card { padding: 24px 25px 0; border-radius: 17px; }
  .program-symbol { height: 42px; margin-bottom: 19px; font-size: 36px; }
  .program-symbol > svg { height: 37px; width: 37px; }
  .program-symbol > img { height: 37px; width: 37px; }
  .program-label { font-size: 11px; margin-bottom: 7px; }
  .hub-program-card h3 { font-size: 22px; }
  .hub-program-card > p { font-size: 14px; margin-top: 11px; line-height: 1.9; }
  .program-note { font-size: 11px; margin-top: 13px; margin-bottom: 20px; }
  .program-action { font-size: 14px; padding: 17px 0; }
  .hub-conditions { padding: 20px; margin-bottom: 36px; }
  .hub-conditions > span { font-size: 12px; }
  .hub-conditions p { font-size: 14px; line-height: 1.9; }
  .hub-footer { padding: 26px 0 22px; }
  .footer-main { flex-direction: column; gap: 23px; }
  .footer-main nav { justify-content: start; display: grid; grid-template-columns: 1fr 1fr; gap: 11px 20px; font-size: 10px; }
  .footer-bottom { font-size: 8px; gap: 15px; margin-top: 24px; padding-top: 18px; }
}
@media (max-width: 359px) { .wrap { width: calc(100% - 32px); } .hub-nav nav { gap: 12px; font-size: 10px; } .brand img { width: 73px; } .brand { gap: 8px; } .brand > span { padding-left: 8px; } .hub-hero h1 { font-size: 35px; } .hero-copy { font-size: 14px; } .hub-card-image { height: 204px; } .product-image { padding-inline: 18px; } .product-window picture { height: 149px; } .hub-card-copy { padding-inline: 20px; } .hub-card-copy h2 { font-size: 21px; } .hub-tags > span { font-size: 9px; } .hub-card-action { font-size: 13px; } .hub-program-card { padding-inline: 22px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } .hub-main-card:hover, .hub-program-card:hover { transform: none; } }
/* 2026-10-18 GEO (E1): 4th program card 「TANKA ガイド」 -> 4 columns once .wrap is at its full 1200px, 2 x 2 below 1280px, one column below 600px (rule above) */
.hub-program-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.guide-card { background: #f6f5fb; border-color: #e1def0; }
.guide-card .program-symbol > svg { stroke: #6b62a8; }
.guide-card .program-label { color: #7f79a0; }
.guide-card > p { color: #716c88; }
.guide-card .program-note { color: #948fae; }
.guide-card .program-action { color: #5b50a3; border-color: #e0dcef; }
@media (max-width: 1279px) { .hub-program-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }